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Project Managers Assessment Overall performance for the Tank - PowerPoint PPT Presentation

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Project Managers Assessment Overall performance for the Tank Operations Contract (TOC) is favorable with a cumulative-to-date cost performance index (CPI) of 1.01 and schedule performance index (SPI) of 0.99. The FY 2018 CPI is 1.00 with the FY

  1. Project Manager’s Assessment (cont.) Tank Farm Projects SX Interim Barrier Construction: Installation of the evapotranspiration basin liner at SX Farm was completed, and the anchor trench backfill began. The subcontractor recommenced work after the holiday to install the basin drainage system. The SX Interim Barrier Phase II (North and South) scope has been released for bid by WRPS to the subcontractor community. The north and south barrier installation proposals are due from the subcontractors in mid-January 2018. Single Shell Tank Integrity Visual Inspections: Visual inspections were completed at Tanks TX-106, TX-105, TX-118, TX-109 and SX-101 were completed. For FY 2018, 6 of 12 planned visual inspections have been completed. Water Service Upgrade: Crews completed removal of the existing equipment at AP-801 service water. Installation of new equipment including flow meter, flow totalizer, reduction valving and new piping run began. The new equipment installation will increase the efficiency of waste transfers, reduce operator errors, and mitigate pressure transients. Comprehensive Vapors Action Plan Full-face air-purifying respirators: WRPS and the Hanford Atomic Metal Trades Council (HAMTC) have jointly agreed to allow use of full-face air-purifying respirators (FFAPRs) in Hanford’s SY Farm for specific work evolutions, and workers began accessing the farm wearing FFAPRs. The decisio n is consistent with the Memorandum of Agreement (MOA) for use of respiratory protection between WRPS and HAMTC issued in August 2016. The use of FFAPR in SY Farm will be authorized for specific work scope during non-waste-disturbing activities. Workers will continue to have the option to use Self-Contained Breathing Apparatus or other available supplied- air systems if they choose, so long as the equipment does not produce additional safety hazards. Air-Purifying Respirators: Consistent with the August 2016 MOA between WRPS and HAMTC, the use of supplied air has been made mandatory for work inside the tank farms until two conditions have been met: 1. Cartridge testing is completed and documented results have been satisfactorily demonstrated to provide worker protection from tank vapor emissions. 2. A third-party qualified independent entity, selected by HAMTC, reviews the testing methodology/protocols and results of the cartridge testing data and concurs with the results. With completion of the above conditions, conducted on a farm-by-farm basis, those respiratory cartridges that were proven effective in protecting against tank vapors and gases may be available to workers for use inside the farm. Cartridge testing for FY 2018 is slated to begin in January/February of 2018. Vapor Monitoring and Detection System (VMDS): Efforts continued on the modification of the Autosampler. In support of developing test gas standards, samples were collected during a recent waste disturbing activity at AP Farm. The samples will be analyzed by both the 222-S Lab and an off-site vendor in order to confirm the sample adequately supports integrated testing. Additional samples will be collected from the same area at AP Farm to determine the inactive or dormant conditions. Other activities include the preparation of the test plan and procurement of the equipment (probes, pumps, UV-DOAS) needed to support integrated testing of the Autosampler. In parallel with these activities, design drawings for the test bed manifold and Hanford E-Skid were being prepared. December 2017 4

  2. Project Manager’s Assessment (cont.) Personal Vapor Monitor: November saw the successful completion of the integrated field test, including testing of the prototype readers and sensor chip, at the R. J. Lee facility. C2Sense and WRPS completed review and comment resolution of the technical report summarizing the test activities. A notable omission from the final report was the conversion of raw conductance data from the sensor material to ammonia concentration values. C2Sense intends to develop the algorithms necessary to perform this function during the FY 2018 field test in the tank farms. Prototype units were shipped to WRPS as a final deliverable of the existing contract. These prototype units will be used to support the FY 2018 field test at tank farms. Strobic Air Dilution Fan: In late November, a contract was awarded to Strobic to support factory acceptance testing (FAT), and Strobic began fabricating equipment. The FAT is currently scheduled to be performed at Strobic’s facility in March 2018. In addition, the test plan statement-of-work, which will be used to support integrated testing in late spring/early summer 2018, was approved. AW Stack Extension: he 60% design package was issued for review and comments were submitted. The majority of the comments were resolved, and the design is on-track to be issued for review in January. A contract was awarded to Terragraphics for dispersion modeling support. The scope of the contract is to identify the dispersion (or plume effects) from the stack’s current elevation of 27 feet to its new elevation of 60 feet. Production Operations Production Operations engineering continued to restore preventive maintenance work packages to active status for the AY-102 Annulus Exhauster. An update to the technical evaluation of the maximum airflow humidity given new initial conditions in the AY-102 primary and annulus tank spaces was initiated. This update will establish procedure-operating temperatures required to maintain percent humidity within allowed values. Crews also performed AY-102 annulus video inspections at risers 77 and 79 as part of bi-monthly 95% inspection, and completed cleanup and disposal of various low level waste from AW Farm and the 242A Evaporator. Engineering Process and Control System (P&CS) engineers: • Updated the Tank Farm Monitoring and Control System (TFMCS) to support Phase 2 Pilot Scale Testing. The software change integrated the sensors, which remained after the down select process into the overall TFMCS graphics and login environment. These sensors and their associated alarms will continue to be monitored by Production Operations during the Phase 2 Pilot Scale test. • Completed creation of new data historian (PI) tags as part of the down-select design associated with the VMDS, and completed setting up an improved test infrastructure for the OSISoft PI system. December 2017 5

  3. Project Manager’s Assessment (cont.) Additional December 2017 Items of Note • The Tank Side Cesium Removal (TSCR) Demonstration integrated project team was established as part of the One System Chief Technology Office, and the initial requirements definition and site layouts are progressing well. The design philosophy for the TSCR is based on commercial nuclear cleanup systems deployed at Fukushima and on the similar Tank Closure Cesium Removal system (TCCR) planned for deployment at the Savanah River Site for cesium removal from Tank 10H. The TSCR will be located in the AP Tank Farm and provide the ability to process waste through a tank side ion exchange module and support the requirements for WTP-LAW Start- Up in advance of the revised ‘Optimized’ LAWPS operation. • ORP issued a letter directing WRPS to initiate a contact-handled transuranic waste (CH-TRU) Demonstration Planning effort. The request was for work to be planned and executed in FY 2018. The scope includes supporting an acceleration of CH-TRU disposition and evaluation of options and strategy development of the project. A proposal kick-off meeting was held on December 6, 2017. The proposal is due by February 4, 2018. December 2017 6

  4. Safety Statistics Through December 2017, WRPS Tank Operations Contract had worked 254,812 hours (18 days) without a Lost Time Workday Injury, and 254,812 hours (18 days) since the last Recordable case. There was one Recordable/Lost Time Workday case in December. Integrated Safety Management System The Fiscal Year (FY) 2018 cumulative performance indicators for Recordable cases (0.31) and DART cases (0.15) surpassed the U.S. Department of Energy Office of Environmental Management (DOE-EM) goals of 1.10 and 0.60, respectively. Additionally, the 12-month rolling average safety rates remained low, with a rate of 0.20 for Recordable cases and 0.08 for DART cases. Total Recordable FY 2018 Cumulative Summary Days Away, Restricted Workdays or Transferred (DART) FY 2018 Cumulative Summary * * * Score Based on FY 2018 Cumulative Case Rate December 2017 7

  5. Safety Statistics (cont.) Days Away, Restricted Workdays or Transferred (DART) Total Recordable 12 Month Rolling Average Summary 12 Month Rolling Average Summary First Aid Case Rate - 12 Month Rolling Average Summary One Recordable/Lost Work Day case in December: • Employee was driving and was struck by another vehicle causing injury to back. Thirteen First Aid cases in December: • Employee’s hand was caught between a storage rack and bottle when putting SCBA bottle into the storage rods causing contusion. • When getting into work truck employee slipped on running board causing pain to knee. • Employee hit shin on cable reel causing pain. • Employee experienced eye irritation due to smell at MO-588. • Employee was reaching for SCBA rack and felt pop in finger. • Four employees reported headache due to smell at MO-588. • Employee was struck in the head by a SCBA rack. • Employee lost balance and struck leg on light plant causing strain to leg. • While crawling underneath the trailer employee felt pain in the knees. • Employee slipped on ice that was covered in snow causing strain to hand. December 2017 8

  6. PMB Funds Analysis by Year FY 2009-2017 Actuals Carryover from FY 2017 LAWPS Carryover LAWPS Capital Projected FY 2018 Expense PMB Fee $1,000.0 Projected Expense PMB funding for FY 2018 is $612.0M. The $900.0 $54.4 projected funding for LAWPS in FY 2018 is $86.7M. The fee pool for FY 2018 is $54.4M. The FY 2017 Carryover is $97.6M. There $800.0 is $60.6M in LAWPS Carryover, for a total of $914.2M $ Millions $700.0 $48.2 $38.0 $600.0 $612.0 $28.3 $500.0 $32.9 $28.0 $21.6 $400.0 $23.5 $19.0 $634.9 $621.6 $300.0 $17.9 $523.7 $471.0 $430.4 $409.9 $200.0 $86.7 $362.0 $366.6 $261.6 $60.6 $100.0 $97.6 $- December 2017 9

  7. FY 2017 Performance Based Incentive Profile December 2017 10

  8. Not-to-Exceed (NTE) Tracking Report December 2017 11

  9. NTE Tracking Report (cont.) December 2017 12

  10. NTE Tracking Report (cont.) December 2017 13

  11. NTE Tracking Report (cont.) December 2017 14

  12. NTE Tracking Report (cont.) December 2017 15

  13. Change Proposal Summary December 2017 16

  14. Expense SV/CV Forecast Projections December 2017 17

  15. Capital SV/CV Forecast Projections December 2017 18

  16. Small Business Reporting Through December 2017, WRPS has awarded a total of $1,681M in subcontracts, of which $1,100M (65.5%) CTD is attributed to small businesses. The CTD awards to small businesses exceeds the 58.2% small business subcontracting goal. WRPS will continue to promote small business subcontracting by setting aside procurement actions for small businesses when appropriate, as well as by reaching out to new small businesses in furtherance of this objective. In December of 2017, WRPS did 77.91% with small business only and the total small business award was 88.25%. In order to improve our area of Disadvantaged & Veteran – Owned small business, the SBPM has been utilizing SAM.GOV and the Small Business Dynamic Search with solicitations/EOI to reach out to businesses who fall into those socio-economic categories to look at our solicitations and sending them items to bid on. In December 2017, the Small Business Program Manager attended a number of outreach events in the community to continue to search and network with the small businesses in the Tri-Cities community. The SBPM is continuing to work with the Chamber to help plan the Women in Business Conference set for January 31, 2018 as the SBPM will be speaking at the event. The next Hanford Small Business Council meetings are continuing again this month, after taking a holiday break in the month of December. The SBPM is also looking at getting more small businesses that focus on construction b y hosting a “mini” Meet the Buyer in the next upcoming months. The Small Business Council is also continuing to plan Bridging Partnerships which is being held in April 2018 at the Three Rivers Convention Center in Kennewick, WA. December 2017 19

  17. Baseline Change Requests December 2017 20

  18. Risk Management Assessment Management of TOC risks continued in December 2017. TOC key risks cross cutting the various programs and projects are identified below along with their associated ongoing/ planned handling actions, status of the handling actions, any emergent quality issues, staffing, alternative courses of action or other problems that may impact the baseline scope. During the month of November, WRPS maintained 34+ active risk registers. December 2017 21

  19. Risk Management Assessment (cont.) December 2017 22

  20. Risk Management Assessment (cont.) December 2017 23

  21. Risk Management Assessment (cont.) December 2017 24

  22. Risk Management Assessment (cont.) December 2017 25

  23. Risk Management Assessment (cont.) December 2017 26

  24. Risk Management Assessment (cont.) December 2017 27

  25. Government Furnished Services and Information (GFS/I) December 2017 28

  26. Tank Farm Projects December 2017 SX FARM EVAPOTRANSPIRATION BASIN Trenching for 18” drainage piping 18” drainage piping Welding seams in SX Evapotranspiration Basin

  27. Tank Farm Projects Safety As of December 31, 2017 Tank Farm Projects has worked 1,402,394 hours or 1,376 days without a Lost Time Workday Injury And Has worked 584 days since a Recordable case. Work Related Injuries during December Eight first aid cases  Four Headaches due to smell at M0-588  One eye irritation due to smell M0-588  One finger reaching for SCBA  One shin hit on cable reel  One knee when slipped on running board of vehicle 12 Month Rolling Wave December 2017 30

  28. Tank Farm Projects Key Deliverables Status FY2018 Key Deliverables Target Forecast 242-A Integrity Assessment- Leak Test and IQRPE Assessment Report for DOE-ORP (WAC 173-303 Recommendation) SEP17 DEC17A Report submitted Complete 90% design for AP-105 DFLAW upgrades DEC17 JAN18 On schedule for review mid-January Complete 242-A Process Condensate Station DEC17 FEB18 Work package planning complete; awaiting LOTO to begin field installation mid-January. Continuous Air Monitor Upgrades - Issue Report FEB18 FEB18 Incorporating comments from first WRPS review AP801 Water Service Upgrade - Complete field installation of new equipment FEB18 FEB18 Existing equipment removed; final mechanical measurements taken for fabrications Complete twelve SST Integrity visual inspections FEB18 FEB18 SX and TX Farm visual inspections completed to date. December January Complete field work supporting ETF Integrity Assessment MAR18 MAR18 Schedule field testing per facility availability DST Improvement Plan - Procure robotic crawlers (2) FEB18 FEB18 Received from Adaptive Energy December; Kurion completed fabrication; testing during February 242-A Reboiler - complete fabrication and deliver MAR18 APR18 Fabrication ongoing; IQRPE witnessed welding girth seams Complete field work supporting 219-S Integrity Assessment MAY18 MAY18 Work package planning for leak testing Simulant Valve Testing - completion of 1,500 cycle & Leak Testing all valves MAY18 JUN18 McCanna valves testing complete; revise valve assembly procedure/obtain vendor approval Complete permanent power installation to 6241-V in support of Crossite Transfer line Reactivation JUN18 JUN18 Temporary power ECN completed, breakers and generator received Complete nine DST Annulus visual inspections JUN18 JUN18 Work package planning completed AW Farm; ready to commence after completion of SST videos. Perform NACE and/or encasement pressure checks at three pits. JUL18 AUG18 Testing valve on Supernate Transfer Line - SNL-5350 before Encasement pressure check round 2 Leak Detector Relay Replacement Installation complete AUG18 AUG18 Developing design media for wireless transmitter installation ECN December 2017 31

  29. Tank Farm Projects DNFSB/TPA/Consent Decree Milestones Tank Farm Projects DNFSB Recommendation 2012-2 Implementation Plan (IP) Deliverables Submittal Date Completion Due Date Total (WRPS) Date (ORP) Float (ORP) Active Projects Action 2-2 Install SS instrumentation for real-time monitoring of the ventilation exhaust flow from each DST. 26-Mar-18 23-Apr-18* 31-Mar-18 -13 Action 2-3 Approve the safety basis amendment revising the flammable gas controls to use SS real-time flow 5-Sep-18 15-Oct-18* 30-Sep-18 -9 monitoring instrumentation. Action 2-4 Implement a safety basis amendment revising the flammable gas controls to use SS real-time monitoring. 15-Oct-18 12-Nov-18* 31-Dec-18 25 Action 3-1 Provide SS annulus level detectors in each of the DST annuli where the flammable gas hazard exists 25-Jul-18 25-Jul-18* 31-Dec-17 -115 Tri-Party Agreement Milestones Submittal Date Completion Due Date Total (WRPS) Date (ORP) Float (ORP) Active Projects M-045-91E2 Provide SST Farms Dome Deflection Survey Report Every Two Years 8/28/2017 9/20/2017 9/20/2017 (completed) (completed) (completed) M-045-91I SST Integrity Assessment Completion Report 31-Aug-18 21-Sep-18 30-Sep-18 18 Consent Decree Milestones Submittal Date Completion Due Date Total (WRPS) Date (ORP) Float (ORP) Active Projects 2:08-CV-5085-RMP 242-A Spare Reboiler Fabrication Contract Award 11/14/2016 11/14/2016 11/14/2016 (Completed) (Completed) (Completed) 2:08-CV-5085-RMP 242-A Spare Reboiler Receipt 10-Apr-18 10-Apr-18 31-Dec-18 120 WAC Recommendations Submittal Date Completion Due Date Total (WRPS) Date (ORP) Float Active Projects WAC 173-303 242-A Integrity Assessment Completion Milestone 12/21/2017 N/A 12/21/2017 (Completed) (Completed) ETF Integrity Assessment - Rev. 1 Review ETF Integrity Assessment Program Plan Completion 27-Sep-18 N/A 30-Sep-18 0 ORP Letter (Estars 2017-1291) to Chairman Sullivan requests change of Action 3-1 milestone to 30-Sep-18. WRPS will prepare Baseline Change Request for next reporting period. December 2017 32

  30. Tank Farm Projects FY18 PBI Milestones Total Fieldwork Change Float per % Probability Terminal Completion 1 wk PBI Completion Terminal of completion PBI Title Dates Analyst POC % of Fee Total Available Fee 01/15/18 (FES) 01/15/18 Date by 09/30/18 Complete Grab Sample #1 in support of Tank Operations Contract (TOC) mission - AP-107 large sample 30-Sep-18 Earhart, Amy Stoner, Ryan 1.1% $75,000 23-Oct-17A 1 31-Oct-17A 228 100% Complete Grab Sample #2 in support of Tank Operations Contract (TOC) mission - AP-107 chemistry grab 30-Sep-18 Earhart, Amy Stoner, Ryan 1.1% $75,000 13-Nov-17 A 0 30-Nov-17 A 208 100% Complete Grab Sample #3 in support of Tank Operations Contract (TOC) mission 30-Sep-18 Earhart, Amy Stoner, Ryan 1.1% $75,000 29-Nov-17A 0 20-Dec-17A 190 100% Complete Grab Sample #4 in support of Tank Operations Contract (TOC) mission 30-Sep-18 Earhart, Amy Stoner, Ryan 1.1% $75,000 16-Dec-17a 0 20-Dec-17A 178 100% Complete Grab Sample #5 in support of Tank Operations Contract (TOC) mission 30-Sep-18 Earhart, Amy Stoner, Ryan 1.1% $75,000 23-Mar-18 -5 2-Apr-18 125 80% Complete Grab Sample #6 in support of Tank Operations Contract (TOC) mission 30-Sep-18 Earhart, Amy Stoner, Ryan 1.1% $75,000 30-Mar-18 -5 9-Apr-18 120 80% Complete Grab Sample #7 in support of Tank Operations Contract (TOC) mission 30-Sep-18 Earhart, Amy Stoner, Ryan 1.1% $75,000 11-May-18 -5 21-May-18 90 80% Complete Grab Sample #8 in support of Tank Operations Contract (TOC) mission 30-Sep-18 Earhart, Amy Stoner, Ryan 1.1% $75,000 25-Jun-18 -5 3-Jul-18 60 80% Complete robot crawler demonstration through field deployment in one DST 30-Sep-18 Earhart, Amy Castleberry, Jim 1.5% $100,000 28-Aug-18 0 5-Sep-18 13 80% Perform Ultrasonic testing examination of DST AY-101 30-Sep-18 Earhart, Amy Castleberry, Jim 1.5% $100,000 02-May-18 -6 10-May-18 77 80% Perform Ultrasonic testing examination of DST AZ-101 30-Sep-18 Earhart, Amy Castleberry, Jim 1.5% $100,000 09-Jul-18 0 17-Jul-18 52 80% Perform Ultrasonic testing examination of DST AP-107 30-Sep-18 Earhart, Amy Castleberry, Jim 1.5% $100,000 13-Aug-18 0 21-Aug-18 27 80% Complete design, fabrication, and testing of an annulus pumping system capable of deployment in anyone of the 27 30-Sep-18 Hui, Justin May, Dustin 4.5% $300,000 21-Aug-18 -4 29-Aug-18 16 80% double-shell tanks Complete HVAC Control room upgrade (Complete the removal and replacement of the 242 ‑ A Evaporator Control 30-Sep-18 Wright, Bryan Stoner, Tyler 4.2% $275,000 13-Feb-18 0 21-Feb-18 122 80% Room HVAC system) Complete 242-A Evaporator Fire alarm panel upgrade 30-Sep-18 Powers, Katie Stoner, Tyler 4.2% $275,000 13-Jun-18 0 20-Jun-18 55 80% Complete installation of in-pit heaters in ten (10) pits 30-Sep-18 Powers, Katie Nelson, Bobby 4.4% $292,000 25-Sep-18 0 27-Sep-18 0 80% Complete AZ-102 pump replacement 30-Sep-18 Hui, Justin May, Dustin 4.4% $292,000 10-May-18* 0 14-May-18 139 80% Complete AW-103 pump replacement 30-Sep-18 Hui, Justin May, Dustin 4.4% $292,000 19-Sep-18* 0 23-Sep-18 7 80% Complete wireless instrumentation installation in nine (9) pits 30-Sep-18 Powers, Katie Larsen, Doug 4.4% $292,000 18-Sep-18 0 27-Sep-18 0 80% Complete electrical upgrades to AW-103 and AW-104 to support 242-A Evaporator campaigns and transfers from 30-Sep-18 Hui, Justin Stoner, Tyler 4.4% $292,000 06-Jun-18* 0 10-Jun-18 112 80% 241-AW-3 and 241-AW-4 Complete electrical installation to one permanent safety shower and electrical racks to three existing showers. 30-Sep-18 Hui, Justin Jansen, Jeff 4.4% $292,000 09-May-18 2 17-May-18 73 80% Complete one (1) basin cover replacement at ETF 30-Sep-18 Wright, Bryan Stoner, Ryan 12.9% $850,000 27-Jun-18 0 5-Jul-18 47 80% Complete AW Farm safety significant (SS) flow upgrades 30-Sep-18 Powers, Katie Larsen, Doug 4.9% $325,000 6-Feb-18 0 20-Feb-18* 123 80% Complete AZ Farm safety significant (SS) flow upgrades 30-Sep-18 Powers, Katie Larsen, Doug 4.9% $325,000 19-Mar-18 0 26-Mar-18* 104 80% In support of completion of TPA M-045-92, Complete Evapotranspiration Basin at SX Farm 30-Sep-18 Hui, Justin Jansen, Jeff 7.6% $500,000 06-Mar-18* 0 13-Mar-18 111 80% In support of completion of TPA M-045-92, Complete North Barrier as designed at SX Farm 30-Sep-18 Hui, Justin Jansen, Jeff 7.6% $500,000 09-May-18* 0 13-May-18 140 80% In support of completion of TPA M-045-92, Complete South Barrier as designed at SX Farm 30-Sep-18 Hui, Justin Jansen, Jeff 7.6% $500,000 30-Aug-18* 0 3-Sep-18 27 80% $6,602,000 December 2017 33

  31. Tank Farm Projects Performance CM and FYTD Current Month FYTD FY End WBS BCWS BCWP ACWP SV CV BCWS BCWP ACWP SV CV SPI CPI BAC FCST P EAC SVFCST VAC TCPI FCST P 5.01.01.03.07 - Tank Waste Sampling Program FY17 - - -4 - 4 - - -14 - 14 - - - - -14 - 14 - 5.01.01.03.08 - Core & Grab Sampling incl. ORSS & Equip - 18 -0 18 19 - 38 52 38 -14 - 0.73 - 341 376 341 -35 0.94 5.01.01.03.09 - Tank Waste Sampling Program FY18 211 211 220 - -8 630 630 583 - 47 1.00 1.08 2,725 2,725 2,660 -0 65 1.01 5.01.01.03.10 - Grab Sampling 147 361 287 214 73 210 614 565 404 49 2.92 1.09 1,680 1,680 1,886 0 -206 0.81 5.01.01.05.11 - 242-A Integrity Assessment 12 1 45 -11 -44 97 146 195 49 -49 1.50 0.75 103 172 224 69 -53 0.89 5.01.01.05.16 - Waste Transf Sys FFU Encasemnt Testing (FY16) - - 5 - -5 - 89 32 89 57 - 2.77 - 89 32 89 57 - 5.01.01.05.20 - DST Integrity Improvement Plan 60 235 185 175 49 90 238 186 147 52 2.63 1.28 1,383 2,516 2,104 1,141 421 1.19 5.01.01.05.23 - CHEM-D-42 Leak Assessment 22 28 36 6 -8 60 104 91 44 13 1.73 1.15 238 297 321 59 -24 0.84 5.01.01.05.26 - Tank Integrity Chemistry & Corrosion (FY17&18) 28 28 -0 - 28 82 82 3 - 79 1.00 23.84 357 357 4 0 352 268.49 5.01.01.05.27 - DST Integrity Ultrasonic Testing FY17 - 76 95 76 -19 - 402 548 402 -147 - 0.73 - 1,689 1,459 1,689 230 1.41 5.01.01.05.28 - SST Integrity Visual Inspection 17 67 61 50 6 167 309 456 142 -147 1.85 0.68 167 362 470 195 -109 3.57 5.01.01.05.29 - Waste Transf Sys FFU Encasement Testing FY17 - 100 167 100 -67 - 102 197 102 -95 - 0.52 - 128 202 128 -73 5.91 5.01.01.05.30 - DST Enhanced Annulus Visual Inspection FY17 - - 1 - -1 - 21 43 21 -22 - 0.48 - 26 54 26 -28 0.47 5.01.01.05.31 - Tank Chemistry Control FY17 - 51 47 51 3 - 202 188 202 14 - 1.07 - 406 349 406 57 1.26 5.01.01.05.33 - FFS-Simulant Valve Testing 90 26 104 -64 -78 304 50 201 -254 -151 0.16 0.25 708 676 1,142 90 -345 0.79 5.01.01.05.35 - SST Integrity Assessment 87 204 48 117 157 197 263 98 66 165 1.34 2.67 991 989 809 -2 180 1.02 5.01.01.05.36 - DST Structural AOR to Support Tank Lvl Increase 104 67 73 -37 -6 411 199 218 -212 -18 0.48 0.92 411 790 977 401 -165 0.81 5.01.01.05.38 - Integrity Project Mgt & Oversight FY18 205 205 154 - 51 611 611 338 - 272 1.00 1.80 2,643 2,643 1,975 -0 669 1.24 5.01.01.05.40 - DST Integrity Ultrasonic Testing FY18 12 6 6 -7 0 37 18 21 -19 -3 0.48 0.86 1,401 1,391 1,389 0 12 1.01 5.01.01.05.41 - SST Integrity Visual Inspection FY18 - 398 297 398 100 - 590 320 590 270 - 1.84 1,601 1,601 1,400 -0 202 0.94 5.01.01.05.42 - Waste Transf Sys FFU Encasemnt Testing FY18 - 67 62 67 5 - 88 73 88 15 - 1.21 429 429 427 0 2 0.96 5.01.01.05.43 - DST Enhanced Annulus Visual Inspection FY18 28 15 3 -12 12 52 35 16 -17 18 0.67 2.14 809 809 651 -0 158 1.22 5.01.01.05.44 - Tank Chemistry Control FY18 72 27 13 -45 14 170 85 36 -85 48 0.50 2.32 2,516 2,516 2,419 0 97 1.02 5.01.01.05.45 - ETF Integrity Assessment 30 24 65 -6 -40 255 213 127 -42 86 0.83 1.68 497 732 543 235 189 1.25 5.01.01.05.47 - 219-S Integrity Assessment 107 33 38 -75 -6 206 39 57 -166 -18 0.19 0.69 1,562 1,562 1,046 0 516 1.54 5.01.02.06.13 - Replace ETF Basin Covers - 3 16 3 -13 - 14 78 14 -64 - 0.18 3,591 3,605 4,758 14 -1,153 0.77 5.01.04.01.16 - TF Automation Upgrades (DNFSB Action 3-1) - 1 34 1 -33 - 8 104 8 -96 - 0.07 - 72 245 72 -173 0.46 5.01.04.01.18 - DST In-Pit Heating 49 40 158 -9 -118 86 188 284 102 -96 2.18 0.66 1,840 2,588 2,669 816 -13 1.03 5.01.04.01.20 - LOW Van Software/Hardware upgrades - 6 16 6 -10 - 14 49 14 -34 - 0.29 - 39 53 39 -14 5.81 5.01.04.01.22 - Replacement of AW-106 Pump and Jumpers - - 1 - -1 - 10 -1 10 11 - (10.37) - 10 -1 10 11 - 5.01.04.01.30 - Cross-Site Transfer Line Activation 47 38 50 -9 -13 116 67 116 -50 -50 0.57 0.57 376 408 530 32 -122 0.83 5.01.04.01.44 - AP-801 Water Service Upgrade 212 331 200 118 130 404 414 404 10 10 1.02 1.02 739 860 946 122 -86 0.82 5.01.04.01.48 - DNFSB Recommendation 2012-2 Act 2-2 thru 2-4 434 449 443 16 6 1,287 710 886 -576 -176 0.55 0.80 4,155 3,731 4,341 156 -30 1.04 5.01.04.01.50 - 242-A Process Condensate Sampling Station - 7 15 7 -9 - 22 47 22 -25 - 0.47 - 384 390 384 -6 1.06 5.01.04.01.51 - Tank Farm Projects Prog Oversight - Opt P2 1,094 1,094 1,185 - -91 3,258 3,258 3,203 - 56 1.00 1.02 14,103 14,103 12,718 0 1,385 1.14 5.01.04.01.54 - Continuous Air Monitor Upgrades Evaluation 17 87 18 70 70 119 133 36 15 97 1.12 3.68 130 233 83 103 150 2.12 5.01.04.01.60 - SY Exhauster Upgrades -1,032 - -1 1,032 1 -1,032 - 144 1,032 -144 - - -1,032 - 144 1,032 -144 - 5.01.04.01.64 - DST Transfer Pump Replacements (FY17&18) 113 269 239 156 30 352 593 497 241 97 1.69 1.19 6,099 7,013 7,090 1,154 163 1.01 5.01.04.01.69 - Leak Detector Relay Replacement 101 35 24 -67 11 323 144 222 -179 -78 0.45 0.65 1,122 1,227 1,107 105 120 1.22 5.01.04.01.77 - TF Automation Upgrades (FY17&18) 75 141 146 67 -4 232 335 276 103 59 1.44 1.22 2,773 2,986 3,297 303 -220 0.91 5.01.04.01.79 - AW-103 and AW-104 Electrical Upgrades 41 7 10 -34 -3 127 93 23 -34 71 0.73 4.13 516 626 837 109 -211 0.65 5.01.04.01.80 - DNFSB-2012-2 Streamlined Approach to SS Vent. - - - - - - - 0 - -0 - - 667 667 674 0 -7 0.99 5.01.04.01.81 - AP-106 Transfer Pump Replacement - 7 28 7 -21 79 1,030 798 952 233 13.09 1.29 79 1,076 801 998 276 15.08 5.01.04.01.85 - 242-A Spare Reboiler - 0 13 0 -13 - 15 41 15 -26 - 0.35 - 515 651 515 -135 0.82 5.01.04.01.87 - DST TAPD and ISP Revision (FY17 & 18) 51 - - -51 - 61 0 -0 -61 1 0.01 (1.17) 392 392 284 -0 108 1.38 5.01.04.01.88 - Safety Shower Upgrades 131 21 32 -110 -11 319 56 90 -262 -33 0.18 0.63 787 759 854 -27 -95 0.92 5.01.04.01.89 - Critical Transfer System Components - 42 626 42 -584 - 45 492 45 -448 - 0.09 - 107 640 107 -533 0.43 5.01.04.01.91 - 242-A Evaporator Fire Alarm Panel Upgrades - - 11 - -11 - 3 24 3 -21 - 0.12 - 781 781 781 -0 1.03 5.01.04.01.92 - 242-A Control Room HVAC Upgrade 42 21 31 -20 -9 193 370 320 178 50 1.92 1.16 214 443 361 229 82 1.77 5.01.04.01.93 - Annulus Emergency Pumping Capability 51 77 84 26 -6 125 151 185 26 -35 1.21 0.81 269 303 465 34 -162 0.55 5.01.04.01.94 - Fire Alarm System Upgrades - 2704HV & 222-S Lab 128 17 59 -110 -42 380 40 70 -340 -30 0.11 0.57 399 427 400 28 27 1.17 5.01.05.01.13 - Construction & Commissioning Mgmt - Opt P2 240 240 304 - -64 715 715 733 - -18 1.00 0.98 3,094 3,094 2,567 -0 527 1.30 5.02.01.04.11 - Interim SX Barrier - Construction 209 172 1,057 -37 -885 628 781 1,791 153 -1,010 1.24 0.44 5,526 5,889 8,042 363 -2,153 0.82 5.02.01.04.12 - Interim SX Barrier - North Construction - 2 8 2 -6 - 2 14 2 -12 - 0.15 4,459 4,459 4,438 -0 21 1.01 5.03.02.06.08 - Project Management Upgrades support DFLAW 103 68 0 -36 67 355 346 5 -9 341 0.98 63.62 1,379 1,564 972 185 592 1.26 5.03.02.06.09 - AP-107 Tank Farm Upgrades to Support DFLAW 246 376 266 129 110 1,081 1,361 1,103 280 258 1.26 1.23 3,089 3,733 3,424 644 309 1.02 5.03.02.06.10 - AP-105 Tank Farm Upgrades to Support DFLAW - 304 232 304 72 351 760 1,025 409 -265 2.16 0.74 7,439 7,743 7,037 304 706 1.16 5.03.02.06.16 - Tank-Side Cesium Removal Upgrade Support - - - - - - - - - - - - 424 424 423 -0 1 1.00 5.03.02.06.17 - Tank-Side Cesium Removal Upgrades - - - - - - - - - - - - 3,601 3,601 3,594 0 7 1.00 Total 3,583 6,103 7,315 2,520 -1,212 13,136 16,848 17,695 3,712 -847 1.28 0.95 86,449 98,790 98,527 13,481 1,403 1.03 December 2017 34

  32. Tank Farm Projects Current Month Variances SCHEDULE ($2,520k) COST (-$1,212k) FY17 Carryover Schedule Recovery ($1,320k) 5.1.1.5.35 SST Integrity Assessment ($157k)  $304k 5.3.2.6.10 Ap-105 90% design Cause: Awarded the IQRPE contract for less than originally budgeted by $89.4K which has resulted  in more budget earned in relation to the actual costs incurred. The additional variance is due to $175k 5.1.1.5.20 DST Integrity Improvement Plan - Robotics design receipt(Kurion)  efficiencies by the IQRPE subcontractor due to their previous experience on the 242-A Evaporator $129k 5.3.2.6.9 AP-107 Upgrade design to Support DFLAW gravel parking lot  assessment. The subcontractor efficiencies have resulted in fewer actual costs for the work $107k 5.1.4.1.48 DNFSB Recommendations – SS Flow installation AW Farm  performed. $100k 5.1.1.5.29 Waste Transfer System NACE – AP-03D  Impact: Cost Savings $ 76k 5.1.1.5.27 DST UT AY-101  $ 67k 5.1.1.5.36 DST Structural AOR 5.1.1.3.10 Grab Sampling ($214k) 5.1.4.1.18 DST In-Pit Heating (-$118k) Cause: Accelerated performance of the AP-106 grab sample as resources were available. Cause: Additional subcontract design cost to accommodate Production Operations farm Impact: Ahead of Schedule CTD. requirements for power. Impact: Unrecoverable costs added to the CTD cost variance. 5.1.1.5.41 SST Integrity Visual Inspections FY18 ($398k) 5.1.4.1.44 AP-801 Water Service Upgrade ($130k) Cause: Early performance of the Single Shell Tank (SST) visual inspections. Due to early planning support Cause: Labor efficiencies experienced removing the existing water service equipment in a and efficiencies in planning similar packages, the project was able to execute seven SST visual inspections shortened performance duration. ahead of schedule. Impact : Cost savings to offset other anticipated equipment fabrication cost increases. Impact: Ahead of Schedule CTD. 5.1.4.1.60 SY Exhauster Upgrades ($1,032k) 5.1.4.1.89 Critical Transfer System Components (-$584k) Cause: Deferred remainder of the fabrication and installation to upgrade the SY Exhaust System Cause: Receipt of invoicing for critical spare parts ordered as part of this account with no budget Impact: Resulted in current month point adjustment and recovery of schedule variance. per Management decision. Impact: CTD Cost variance will exist for these additional components. 5.1.4.1.88 Safety Shower Upgrades (-$110k) 5.2.1.4.11 Interim SX Barrier Construction (-$885k) Cause: Conditions identified during field walk-downs for electrical rack siting and alteration of the Cause: Correction of the previous reporting period unfavorable G&A for exceeding the GPP location of power runs to simplify installation and future maintenance activities, required design changes funding (-$433k). Continued increase in subcontract costs for North, South E., and South W. impacting the excavation plan and work package development. As a result, award of the construction excavation. The North area is being done by hand with minimal machine excavation due to being contract was delayed. inside SX farm, -$287k. In addition, increased labor usage costs were required for HPTs, and IH Impact: Field work installation of the self- contained safety showers has been delayed; however, this support for work being performed inside of the farm, -$27k. should have no effect on the overall project completion forecast for Q4 FY18. Impact: The labor usage additional costs for hand excavation and cutting/capping of exposed piping are unrecoverable. 5.1.4.1.94 Fire Alarm System Upgrades 2704-HV and 222-S (-$110k) 5.3.2.6.9 AP-107 Tank Farm Upgrades to Support DFLAW ($110k) Cause: Delayed contract award to allow vendors additional time to prepare proposals. Cause: Reduced subcontracted costs to complete overall layout, additional speed bumps and Impact: No current impacts to completion within FY2018. crosswalks for AP Farm gravel parking lot to support DFLAW upgrades. Impact: Cost savings December 2017 35

  33. Tank Farm Projects Performance Cumulative to Date Cumulative to Date WBS BCWS BCWP ACWP SV CV SPI CPI BAC TCPI 5.01.01.03.07 - Tank Waste Sampling Program FY17 2,779 2,779 3,176 - -397 1.00 0.87 2,779 - 5.01.01.03.08 - Core & Grab Sampling incl. ORSS & Equip 1,866 1,563 1,682 -303 -120 0.84 0.93 1,866 0.94 5.01.01.03.09 - Tank Waste Sampling Program FY18 630 630 583 - 47 1.00 1.08 2,725 1.01 5.01.01.03.10 - Grab Sampling 210 614 565 404 49 2.92 1.09 1,680 0.81 5.01.01.05.11 - 242-A Integrity Assessment 1,760 1,740 1,841 -20 -102 0.99 0.94 1,765 0.89 5.01.01.05.16 - Waste Transf Sys FFU Encasemnt Testing (FY16) 1,128 1,128 725 - 403 1.00 1.56 1,128 - 5.01.01.05.20 - DST Integrity Improvement Plan 1,458 464 664 -994 -200 0.32 0.70 2,751 1.19 5.01.01.05.23 - CHEM-D-42 Leak Assessment 292 277 407 -15 -130 0.95 0.68 470 0.84 5.01.01.05.26 - Tank Integrity Chemistry & Corrosion (FY17&18) 304 304 91 - 213 1.00 3.35 578 268.49 5.01.01.05.27 - DST Integrity Ultrasonic Testing FY17 3,651 2,364 2,946 -1,287 -582 0.65 0.80 3,651 1.41 5.01.01.05.28 - SST Integrity Visual Inspection 1,475 1,423 2,026 -53 -604 0.96 0.70 1,475 3.57 5.01.01.05.29 - Waste Transf Sys FFU Encasement Testing FY17 289 263 285 -26 -23 0.91 0.92 289 5.91 5.01.01.05.30 - DST Enhanced Annulus Visual Inspection FY17 959 954 604 -5 350 0.99 1.58 959 0.47 5.01.01.05.31 - Tank Chemistry Control FY17 2,190 1,986 2,150 -204 -163 0.91 0.92 2,190 1.26 5.01.01.05.33 - FFS-Simulant Valve Testing 1,096 753 1,063 -343 -310 0.69 0.71 1,500 0.79 5.01.01.05.35 - SST Integrity Assessment 246 315 264 69 51 1.28 1.19 1,041 1.02 5.01.01.05.36 - DST Structural AOR to Support Tank Lvl Increase 1,429 816 792 -613 24 0.57 1.03 1,429 0.81 5.01.01.05.38 - Integrity Project Mgt & Oversight FY18 611 611 338 - 272 1.00 1.80 2,643 1.24 5.01.01.05.40 - DST Integrity Ultrasonic Testing FY18 37 18 21 -19 -3 0.48 0.86 1,401 1.01 5.01.01.05.41 - SST Integrity Visual Inspection FY18 - 590 320 590 270 - 1.84 1,601 0.94 5.01.01.05.42 - Waste Transf Sys FFU Encasemnt Testing FY18 - 88 73 88 15 - 1.21 429 0.96 5.01.01.05.43 - DST Enhanced Annulus Visual Inspection FY18 52 35 16 -17 18 0.67 2.14 809 1.22 5.01.01.05.44 - Tank Chemistry Control FY18 170 85 36 -85 48 0.50 2.32 2,516 1.02 5.01.01.05.45 - ETF Integrity Assessment 1,605 1,327 831 -277 496 0.83 1.60 1,846 1.25 5.01.01.05.47 - 219-S Integrity Assessment 206 39 57 -166 -18 0.19 0.69 1,562 1.54 5.01.02.06.13 - Replace ETF Basin Covers 3,641 3,641 5,956 - -2,315 1.00 0.61 7,232 0.77 5.01.04.01.16 - TF Automation Upgrades (DNFSB Action 3-1) 8,557 8,493 10,023 -65 -1,531 0.99 0.85 8,557 0.46 5.01.04.01.18 - DST In-Pit Heating 3,460 2,745 4,497 -714 -1,752 0.79 0.61 5,213 1.03 5.01.04.01.20 - LOW Van Software/Hardware upgrades 1,327 1,303 1,693 -24 -390 0.98 0.77 1,327 5.81 5.01.04.01.22 - Replacement of AW-106 Pump and Jumpers 5,186 5,186 5,831 - -645 1.00 0.89 5,186 - 5.01.04.01.30 - Cross-Site Transfer Line Activation 194 113 158 -81 -45 0.58 0.71 454 0.83 5.01.04.01.44 - AP-801 Water Service Upgrade 864 752 683 -112 69 0.87 1.10 1,199 0.82 5.01.04.01.48 - DNFSB Recommendation 2012-2 Act 2-2 thru 2-4 10,663 9,931 8,515 -733 1,416 0.93 1.17 13,532 1.04 5.01.04.01.50 - 242-A Process Condensate Sampling Station 1,073 711 626 -362 85 0.66 1.14 1,073 1.06 5.01.04.01.51 - Tank Farm Projects Prog Oversight - Opt P2 17,453 17,453 16,192 - 1,262 1.00 1.08 28,298 1.14 5.01.04.01.54 - Continuous Air Monitor Upgrades Evaluation 228 140 48 -88 92 0.61 2.91 239 2.12 5.01.04.01.60 - SY Exhauster Upgrades 975 975 1,746 - -771 1.00 0.56 975 - 5.01.04.01.64 - DST Transfer Pump Replacements (FY17&18) 2,389 1,476 1,486 -913 -10 0.62 0.99 8,136 1.01 5.01.04.01.69 - Leak Detector Relay Replacement 662 378 756 -284 -378 0.57 0.50 1,461 1.22 5.01.04.01.77 - TF Automation Upgrades (FY17&18) 1,541 1,340 775 -201 565 0.87 1.73 4,082 0.91 5.01.04.01.79 - AW-103 and AW-104 Electrical Upgrades 268 125 45 -143 80 0.47 2.77 658 0.65 5.01.04.01.80 - DNFSB-2012-2 Streamlined Approach to SS Vent. 25 25 5 - 20 1.00 4.70 692 0.99 5.01.04.01.81 - AP-106 Transfer Pump Replacement 3,569 3,523 4,523 -46 -1,000 0.99 0.78 3,569 15.08 5.01.04.01.85 - 242-A Spare Reboiler 982 481 344 -501 137 0.49 1.40 982 0.82 5.01.04.01.87 - DST TAPD and ISP Revision (FY17 & 18) 448 387 272 -61 115 0.86 1.42 778 1.38 5.01.04.01.88 - Safety Shower Upgrades 1,335 1,100 1,228 -235 -128 0.82 0.90 1,803 0.92 5.01.04.01.89 - Critical Transfer System Components 284 221 847 -63 -625 0.78 0.26 284 0.43 5.01.04.01.91 - 242-A Evaporator Fire Alarm Panel Upgrades 811 33 68 -778 -36 0.04 0.48 811 1.03 5.01.04.01.92 - 242-A Control Room HVAC Upgrade 639 587 573 -52 15 0.92 1.03 660 1.77 5.01.04.01.93 - Annulus Emergency Pumping Capability 195 187 236 -8 -49 0.96 0.79 339 0.55 5.01.04.01.94 - Fire Alarm System Upgrades - 2704HV & 222-S Lab 437 68 78 -368 -9 0.16 0.88 456 1.17 5.01.05.01.13 - Construction & Commissioning Mgmt - Opt P2 3,821 3,821 3,286 - 535 1.00 1.16 6,200 1.30 5.02.01.04.11 - Interim SX Barrier - Construction 1,288 1,079 1,957 -210 -878 0.84 0.55 6,186 0.82 5.02.01.04.12 - Interim SX Barrier - North Construction - 2 14 2 -12 - 0.15 4,459 1.01 5.03.02.06.08 - Project Management Upgrades support DFLAW 544 351 9 -193 342 0.64 37.55 1,568 1.26 5.03.02.06.09 - AP-107 Tank Farm Upgrades to Support DFLAW 4,528 4,164 4,450 -364 -286 0.92 0.94 6,536 1.02 5.03.02.06.10 - AP-105 Tank Farm Upgrades to Support DFLAW 2,446 2,551 2,556 105 -5 1.04 1.00 9,533 1.16 5.03.02.06.16 - Tank-Side Cesium Removal Upgrade Support - - - - - - - 424 1.00 5.03.02.06.17 - Tank-Side Cesium Removal Upgrades - - - - - - - 3,601 1.00 Total 443,602 433,834 439,147 -9,769 -5,313 0.98 0.99 516,915 1.03 December 2017 36

  34. Tank Farm Projects CTD Schedule Variances CTD SV October 2017 (-$9,769k) 5.1.1.3.8 Core & Grab Sampling (-$303k) Cause: D elay in obtaining the AY-102 grab sample (-$147k) and a delay in the procurement of sampling equipment (-$157k).The AY-102 sample is dependent upon a determination on SCBA or APR requirements to perform the work. Also higher priority sampling in support of C-105 retrieval in September contributed to the delay. The purchase of sampling equipment in September has been delayed due to engineering evaluation of functions and requirements for the equipment, as well as, examining currently available equipment for ease in procurement. Impact: This variance does not impact any other control accounts. Sampling schedule variance will continue until higher priority sampling has been completed and a determination on SCBA or APR requirements has been made. Equipment schedule variance will continue through second quarter of FY18 due to engineering evaluation and long lead time for procurement, however the project has sufficient equipment to execute current scope of work. Corrective Action: The schedule variance for AY-102 sample will be recovered in the coming months once higher priority sampling has been completed and a determination on SCBA or APR requirements has been made (Projected March). The sampling equipment variance will be recovered once equipment has been ordered and received (Projected March). 5.1.1.5.20 DST Integrity Improvement Plan (-$994k) Cause: Delay in design, fabrication, & delivery under both the Robotic Crawler WBS 5.1.1.5.20.1 and the Flash Thermography WBS 5.1.1.5.20.2. Two contracts have been awarded under WBS 5.1.1.5.20.1 (Robotic Crawlers). One contract was placed with Kurion and the other was placed with Adaptive Energy. Each vendor will provide a different robotic crawler capable of visually examining a Double Shell Tank bottom via the air slot in the annulus. These contracts were initially delayed as the technical evaluation and proposal ranking process took longer than anticipated. The delayed placement of the Kurion contract has caused the Final Design & Fabrication activities to push out three months, from June to September. In addition, the Adaptive Energy contract was set up with "lump sum" payment terms and their crawler isn't scheduled to arrive until December 2017. This means the performance for that scope will be taken all at once, after the crawler is received. The original plan was to take performance throughout the crawler design & build process which is how the Kurion contract was setup. The contract under WBS 5.1.1.5.20.2 (Flash Thermography) was not placed. A feasibility study was done to ensure the final product could be utilized to meet the scopes intent. It was determined that the Flash Thermography technology could not properly be deployed in the field so pursuing a contract was no longer viable. With the scopes intent not able to be met and the project on hold. The Preliminary & Final Design, as well as Fabrication, Test & Delivery activities are now behind schedule. Impact: Due to the lump sum payment terms on the Adaptive Energy contract under WBS 5.1.1.5.20.1 the CTD schedule variance was expected to grow. This variance should reduce in December as the robotic crawler under that contract is scheduled to be received and the associated performance will be taken. However, due to the delayed start in placing both contracts under WBS 5.1.1.5.20.1 & WBS 5.1.1.5.20.2. The CTD schedule variance should remain until the project is completed. Flash thermography scope will no longer be performed and has been logged to go off contract. Impact: Due to the lump sum payment terms on the Adaptive Energy contract under WBS 5.1.1.5.20.1, the CTD schedule variance was expected to grow. This variance should reduce in December as the robotic crawler under that contract is scheduled to be received and the associated performance will be taken. However, due to the delayed start in placing both contracts under WBS 5.1.1.5.20.1 & WBS 5.1.1.5.20.2. The CTD schedule variance should remain until the project is completed. Corrective Action: No corrective action, however the flash thermography scope balance has been logged as part of the scopes to go off contract. Upon receipt of formal deletion modification the baseline will be updated to reflect removal. 5.1.1.5.27 DST Ultrasonic Testing FY17 (-$1,287k) Cause: Delayed start of Ultrasonic Testing (UT) at AZ-101, AY-101, and the SY Farm floor scans. The delay was originally caused by the lack of necessary support labor resources required to perform the UT Scans at AN-106. These labor resources were performing UT scans in the 242 Evaporator Room under WBS 5.1.1.5.11. After the AN-106 UT field work kicked off in December, additional delays were incurred due to poor weather conditions. The Hanford site was closed, delayed or released early a number of times in December & January. These weather related delays caused the unfavorable schedule variance to grow and subsequently delay the start of UT scans at AZ-101. UT field work at AZ-101 was again delayed due to the PUREX tunnel collapse that occurred on May 9th, 2017. Three working days were lost as crews weren’t allowed into the farm (May 9th -11th). On May 12th, the UT crew was allowed back into the farm to retrieve the two crawlers that had been left on the Double Shell Tank (DST) annulus wall since the take cover was initiated on May 9th. The extended period of time each crawler spent on the annulus wall, caused them to receive high doses of radiation. This caused some electrical components to fail and require 2 additional working days to repair (May 15th-16th). On May 18th, UT field work at AZ-101 was shut down due to the unexpected discovery of contamination in the tank annulus. This discovery resulted in a stop work at AZ- 101 as an event investigation was implemented to review what took place and develop any necessary corrective actions. Due to the delays detailed above, UT testing at AZ-101 & AY-101 are now behind schedule.AY-101 UT scans are forecast to start early November 2017. Impact: The delayed start, inclement weather, PUREX tunnel collapse, and contamination event have impacted the schedule to perform Ultrasonic Testing (UT) on six Double Shell Tanks (DST) in FY17. The field work for AN-106 finished in March but had already slipped 47 days. The three SY floor scans finished 34 days behind schedule and the field work at AZ-101 & AY-101 is now planned for FY18. The final report on the last UT is scheduled to finish on 5/16/1. Corrective Action: Continue to work with the Work Area Manager and Production Controls to ensure the necessary resources are available to complete the UT field work at AZ-101(March 2018) and AY-101 (December 2017). December 2017 37

  35. Tank Farm Projects CTD Schedule Variances CTD SV October 2017 (-$9,769k) 5.1.1.5.36 DST Structural AOR to Support Tank Level Rise (-$613k) Cause: 1) Delayed contract award and start, 2) resource availability issues, and 3) additional seismic modeling requirements being identified. 1) This scope is primarily based on a large contract with Pacific Northwest National Laboratories (PNNL). The placing of this contract was delayed as engineering resources weren't available to develop and review a technically accurate statement of work. This resulted in a two month delay in PNNL starting their support. 2) PNNL experienced resource availability issues related to a delay in placing their subcontract with Becht Nuclear Services to support performance of the Seismic modeling. The contract was delayed as Becht was no longer on PNNL's Evaluated Suppliers List (ESL) and needed to have their Quality Assurance (QA) program re-reviewed. WRPS also experienced delays in having the Evaluation Criteria Document reviewed. The contracted expert reviewer was out of the country and unavailable. These resource related delay's resulted in an additional two month slip. 3) Recommendations from the expert reviewer led to an additional seismic modeling approach being implemented into the overall Analysis of Record. This has delayed the completion of a final seismic modeling approach and resulted in an additional four month schedule slip Impact: Overall, the project is projecting to finish 9 months behind schedule (September 2018). Corrective Action: No corrective actions have been identified at this time. The project is planning to finish nine months behind schedule (September 2018). 5.1.4.1.18 DST In-Pit Heating (-$714k) Cause: Procurement of heaters needed for FY18 field installation have been delayed by 5 months due to the procurement resources working on higher company priority procurements. Originally the materials were planned to be delivered in August, the current delivery date is beginning of the second quarter FY18. Impact: Projects affected if DST In-Pit Heating is not completed are as follows: TF Automation Part 2 due to the need for the project to install the AN01A and AN06A temperature monitoring trees and update associated design media to account for the utilization of the upgrades trees from both projects and vapor controls by limiting the use of operators and redeploying these resources to other projects would not occur (projects such as DST transfers). Corrective Action: Project has worked with procurement to insure the material request is awarded and heater delivery is scheduled the second quarter of FY2018. 5.1.4.1.48 DNFSB Recommendation 2012 2-2 thru 2-4 (-$733k) Cause: Delays in completion of AW Farm installation engineering change notice (ECN). During the review of the AW Farm ECN, an interference was observed with the planned position of the by-pass spools and contamination higher than planned was noted. The resolution of these issues delayed the completion of the design by two weeks which in turn belayed the completion of the work package planning which delayed the field work start. AW field work was originally planned to start first week of October but is now planned for December 2017. Impact: The total of float for DNSFB 2012-2 Action 2-3 decreased by 9 days making the total float 1 day. The total of float for DNSFB 2012-2 Action 2-2 decreased by 39 days making the total float -29 day. Corrective Action: Project is working mechanical installation at all tanks in parallel vs. sequential as planned. 5.1.4.1.50 242-A Process Condensate Sampling Station (-$362k) Cause: Delay in the planning and installation of Condensate Sampling Stations in the 242-A facility. This work is considered secondary to the facility completing evaporator campaigns and the subsequent outage at 242-A. The project will coordinate with the facility management to complete this install in FY18 (currently forecasted to finish in March FY18). Impact: No significant impact, this schedule variance was expected following delays at 242-A (The Evaporator 5.1.2.3.3) which has affected all downstream activities. Corrective Action: None. Project priority was determined to be secondary and is currently forecast for completion in March FY18. 5.1.4.1.64 DST Transfer Pump Replacements (-$913k) Cause: Result of WRPS reprioritization of the pump replacement projects. The AZ-102 pump replacement mobilization for pump removal is now the successor to the AW-103 pump flush field work. In November 2017, the AW-103 project realized a risk AW103-008-R, pump plugged during flushing. This realized risk prioritized and accelerated the schedule for AW-103 to mobilize and perform pump flush activities. In addition, as a result of this realignment, mobilization and field work activities associated with the AZ-102 pump replacement project have been further delayed and will not be performed until Q2 of FY 2018. Impact: Due to the acceleration of AW-103 pump replacement, AZ-102 field mobilization has been delayed until after pump flush activities have completed for AW-103. The AZ-102 project is anticipated to ramp back up with mobilization in Q2. Corrective Action: Full schedule recovery for fabrication and procurement activities are planned upon the receipt of the AZ-102 Actuator in January 2018. Full schedule recovery for the design activities is planned upon the release of the AZ-102 As-Built ECN in March 2018. December 2017 38

  36. Tank Farm Projects CTD Schedule Variances CTD SV October 2017 (-$9,769k) 5.1.4.1.85 242-A Spare Re-boiler (-$501k) Cause: Delayed receipt of the spare 242-A re-boiler currently undergoing fabrication. The re-boiler was originally anticipated to be received in September FY17; however, during the design review it was determined that an additional Finite Element Analysis (FEA) was needed to address nozzle loads of the vessel. Impact: The additional analysis has delayed the receipt of the spare re-boiler until March FY18 and will incur a negative schedule variance that will persist until receipt. Corrective Action: The additional analysis is complete and has been approved to allow the vendor to proceed with fabrication. 5.1.4.1.91 242-A Evaporator Fire Alarm Panel Upgrades (-$778k) Cause: Delay of installation as a result of an issue with original engineering change notice (ECN) needed for the installation. Engineering determined the original design did not have enough information to upgrade the fire alarm system in 242-A Evaporator. A reference engineering change notice (ECN) was developed and will be released which will allow for new design to be completed. The project is awaiting contract award. The field work is scheduled to start third quarter of FY18 and complete ahead of an evaporator campaign. Impact: Currently no impact to any evaporator campaign and field work will be executed within available facility windows. Corrective Action: Project will evaluate a recovery plan with the subcontractor once the contract is awarded. 5.1.4.1.94 Fire Alarm System Upgrades – 2704-HV & 222-S (-$368k) Cause: Two month delay in award of design subcontract as result of bidders ’ requests to extend proposal period to find specialized fire systems subcontractor for sub-tier. Impact: No impact to other projects or evaporator campaigns. Corrective Action: Review subcontractor proposal durations to insure completion during fiscal year. 5.3.2.6.9 AP-107 Tank Farm Upgrades to Support DFLAW (-$364k) Cause: Onsite field delays in the installation of a new gravel parking lot in the AP farm that has pushed the work completion into FY18. The overall layout including additional speed bumps and further considerations of crosswalks that increased overall duration. Project expects to complete this work by November FY18. Impact: No significant impact. Corrective Action: No corrective action required, this work is of secondary priority and will not affect any successor activities. OFFSET BY PROJECTS AHEAD OF SCHEDULE 5.1.1.3.10 Grab Sampling (FY18) ($404k) Cause: Acceleration of two grab samples AP-107 and AP-106. Impact: Ahead of schedule performance. Corrective Action: None 5.1.1.5.41 SST Integrity Visual Inspections (FY18) ($590k) Cause: Early performance of the Single Shell Tank (SST) visual inspections. Due to early planning support and efficiencies in planning similar packages, the project was able to execute scope sooner than originally anticipated. Impact: The early planning support and efficiencies have resulted in 7 of 12 videos being completed as of December FY18. Corrective Action: None December 2017 39

  37. Tank Farm Projects Schedule Recovery January  $ 420k DFLAW upgrades AP-105  $ 344k DST Transfer Pumps AW-103  $ 135k DST UT AY-101  $ 174k DST In-Pit Heating 2017 Carryover Recovery (December)  $ 135k DNFSB SS Flow installation AW Farm  $ 304k AP-105 90% design  $ 115k SST Integrity Visual Inspections  $ 175k Robotic crawler Designs  $ 100k TF Automation Part II  $ 129k AP-107 DFLAW gravel parking lot February  $ 107k DNFSB – SS Flow installation AW Farm  $ 609k AP-105 Tank Farm upgrades  $ 100k AP-03D NACE  $ 430k DST Improvement plan completion Kurion robotic fabrication/testing  $ 76k DST UT – AY-101  $ 400k DNFSB SS Flow installation AW Farm  $ 67k DST AOR  $ 331k DST UT AY-101  $ 67k SST Visual Inspections FY17  $ 329k SX Barrier Transpiration Basin  $ 60k TF Automation Upgrades Part II  $ 246k 242-A Process Condensate Station  $ 206k SST Visual Inspections - reports  $ 200k DST In-Pit Heating  $200k Leak Detector Relay Replacement  $ 200k TF Automation Upgrades Phase II AP Farm  $ 157k SST Integrity Visual Inspections  $ 148k Grab Sampling March December Forecast Deltas  $ 438k ETF Basin Cover replacement #2  $ 355k TF Upgrades for DFLAW design  $ 628k TF Automation Upgrades installation  $ 331k DST UT AY-101  $ 646k SX Farm Barrier South  $ 133k DNFSB SS Flow installation AW Farm  $ 484k AP-105 TF Upgrades  $ 129k 242-A Process Condensate Upgrade  $ 190k Grab Sampling AW-106  $ 97k SX Farm Evapotranspiration Basin  $ 180k DNFSB SS Flow installation AY/AZ Farm  $ 150k DST UT AY-101 December 2017 40

  38. Tank Farm Projects Schedule Recovery December 2017 41

  39. Tank Farm Projects Performance - FY17 Carryover Forecast Recovery Oct-17 Nov-17 Dec-17 Jan-18 Feb-18 Mar-18 Apr-18 May-18 Jun-18 Jul-18 Aug-18 Sep-18 Grand Total 5.1.1.3.8 - Core & Grab Sampling incl. ORSS & Equip 1,653 18,184 18,184 156,091 147,295 341,408 5.1.1.5.11 - 242-A Integrity Assessment 6,001 40,767 12,620 9,518 68,905 5.1.1.5.16 - Waste Transf Sys FFU Encasemnt Testing (FY16) 89,031 89,031 5.1.1.5.20 - DST Integrity Improvement Plan 0 0 233,832 0 430,742 94,669 40,765 125,607 146,330 69,250 1,141,194 5.1.1.5.23 - CHEM-D-42 Leak Assessment 41,988 11,793 3,848 367 96 435 384 58,911 5.1.1.5.27 - DST Integrity Ultrasonic Testing FY17 133,727 191,475 76,364 135,422 331,451 150,323 204,141 251,127 167,191 32,330 15,495 1,689,045 5.1.1.5.28 - SST Integrity Visual Inspection 213 75,148 66,694 38,198 12,905 1,422 194,580 5.1.1.5.29 - Waste Transf Sys FFU Encasement Testing FY17 411 1,568 100,465 20,485 5,532 128,461 5.1.1.5.30 - DST Enhanced Annulus Visual Inspection FY17 0 20,554 0 5,203 25,757 5.1.1.5.31 - Tank Chemistry Control FY17 57,135 93,854 50,565 89,148 34,991 54,441 1,382 1,727 1,382 1,382 1,727 18,251 405,984 5.1.1.5.33 - FFS-Simulant Valve Testing 235 2,301 26,020 16,252 25,918 18,805 89,531 5.1.1.5.36 - DST Structural AOR to Support Tank Lvl Increase 4,834 4,834 67,111 66,344 87,586 60,746 55,512 53,803 400,770 5.1.1.5.45 - ETF Integrity Assessment 62,987 63,776 19,563 32,311 29,463 11,113 15,835 235,048 5.1.2.6.13 - Replace ETF Basin Covers 7,910 2,821 3,183 13,914 5.1.4.1.16 - TF Automation Upgrades (DNFSB Action 3-1) 5,979 813 715 11,381 672 553 13,496 38,664 72,275 5.1.4.1.18 - DST In-Pit Heating 48,121 99,955 26,416 102,139 395,575 73,289 10,620 13,275 10,620 10,620 13,275 12,137 816,043 5.1.4.1.20 - LOW Van Software/Hardware upgrades 7,758 703 5,661 6,934 10,605 6,879 38,541 5.1.4.1.22 - Replacement of AW-106 Pump and Jumpers 10,337 10,337 5.1.4.1.30 - Cross-Site Transfer Line Activation 10,182 3,394 18,106 31,682 5.1.4.1.44 - AP-801 Water Service Upgrade 9,686 22,993 14,070 68,589 6,116 75 121,530 5.1.4.1.48 - DNFSB Recommendation 2012-2 Act 2-2 thru 2-4 38,765 3,241 107,492 6,861 156,359 5.1.4.1.50 - 242-A Process Condensate Sampling Station 6,856 8,752 6,507 21,498 246,009 94,661 384,283 5.1.4.1.54 - Continuous Air Monitor Upgrades Evaluation 36,478 45,966 20,315 102,759 5.1.4.1.60 - SY Exhauster Upgrades - 5.1.4.1.64 - DST Transfer Pump Replacements (FY17&18) 38,116 108,841 27,631 191,426 79,902 53,570 87,136 256,720 87,382 223,379 1,154,104 5.1.4.1.69 - Leak Detector Relay Replacement 48,249 49,401 1,027 6,110 104,787 5.1.4.1.77 - TF Automation Upgrades (FY17&18) 48,990 59,905 99,683 94,764 303,341 5.1.4.1.79 - AW-103 and AW-104 Electrical Upgrades 43,316 9,498 7,469 38,541 10,384 109,208 5.1.4.1.81 - AP-106 Transfer Pump Replacement 930,427 13,683 7,220 32,692 13,612 997,634 5.1.4.1.85 - 242-A Spare Reboiler 8,195 5,962 368 3,672 3,672 16,906 476,678 515,452 5.1.4.1.89 - Critical Transfer System Components 2,364 42,161 24,965 37,981 107,470 5.1.4.1.90 - 241-BY Farm Encapsulate Asbestos Insulation 2,072 2,072 5.1.4.1.91 - 242-A Evaporator Fire Alarm Panel Upgrades 1,485 1,485 0 16,121 23,757 34,143 13,118 628,885 62,089 781,084 5.1.4.1.92 - 242-A Control Room HVAC Upgrade 197,927 31,554 229,481 5.1.4.1.93 - Annulus Emergency Pumping Capability 12,751 3,416 18,431 34,597 5.1.4.1.94 - Fire Alarm System Upgrades - 2704HV & 222-S Lab 0 14,082 14,082 28,165 5.2.1.4.11 - Interim SX Barrier - Construction 261,767 4,078 5,072 92,099 363,016 5.3.2.6.10 - AP-105 Tank Farm Upgrades to Support DFLAW 73,674 230,253 303,927 5.3.2.6.8 - Project Management Upgrades support DFLAW 95,551 13,294 54,429 21,354 184,628 5.3.2.6.9 - AP-107 Tank Farm Upgrades to Support DFLAW 285,307 83,252 191,210 48,463 4,860 6,075 4,860 6,075 4,860 4,860 4,166 643,988 MONTHLY 2,344,721 1,489,931 1,319,769 1,248,126 1,886,593 846,816 933,445 1,375,883 479,854 341,821 181,958 30,388 12,479,304 CUMULATIVE 2,344,721 3,834,651 5,154,421 6,402,547 8,289,139 9,135,956 10,069,400 11,445,283 11,925,137 12,266,958 12,448,916 12,479,304 Previous 13,511k Recovery Through December 41% FY18 Acceleration ( 31k) Projected Recovery by April 81% SY Deferral ( 1,032k) December 2017 42 December 12,479k

  40. Tank Farm Projects FY18 Spend Plan Oct-17 Nov-17 Dec-17 Jan-18 Feb-18 Mar-18 Apr-18 May-18 Jun-18 Jul-18 Aug-18 Sep-18 FY Spend ACWP/ETC PDN Target Delta (4W) (5W) (4W) (4W) (4W) (5W) (4W) (5W) (4W) (4W) (5W) (5W) Forecast Oct-17 3,939 7,989 10,481 10,212 8,214 8,668 7,917 10,039 11,837 10,364 12,655 8,063 110,378 Nov-17 3,939 6,442 7,442 7,050 7,807 9,799 11,526 10,295 10,662 8,678 9,467 14,325 107,431 Dec-17 3,939 6,442 7,315 4,767 8,407 10,475 10,611 12,457 9,846 8,465 9,892 5,886 98,501 107,435 8,934 Delta -1,927 -1,547 -127 -8,930 Percentage -32.9% -19.4% -1.7% -8.3% December delta: (-$127k), (-1.7 %) • (-$447k) – DST Improvement Plan – Adaptive Energy robotic crawler at AVS, not accepted thru to site • (-$205k) – AP-801 Water Service Upgrade delayed installation for fabrication of new equipment • (-$140k) - Critical Spare Components OFFSET BY: • $279k – SX Farm Evapotranspiration Basin SCBA inefficiencies and trench interferences • $168k – SST Visual Inspections accelerated (FY18) • $124k – Construction & Commissioning new hire training FY Spend Forecast Delta (-$8,930 k), (-8.3%) • (-$13,885k) SY Exhauster Upgrades deferral (RPP-18-032) • (-$453k) DST Improvement Plan – remove Flash Thermography from EAC • $3,594k TSCR Upgrades new account (RPP-18-033) • $ 651k Simulant Valve Testing subcontract increase • $ 423k TSCR Support new account (RPP-18-033) • $ 412k SX Farm Evapotranspiration SCBA inefficiencies • $ 155k DST In-Pit Heating - trenching for power in AW Farm • $ 151k DNFSB SS Flow instrumentation – OT for AY/AZ Farm installation to meet DNFSB deliverable PDN Delta $8,934k • (-$13,885k) SY Exhauster Upgrades deferral (RPP-18-032) • (-$453k) DST Improvement Plan – remove Flash Thermography from EAC • $3,594k TSCR Upgrades new account (RPP-18-033) • $ 651k Simulant Valve Testing subcontract increase • $ 423k TSCR Support new account (RPP-18-033) • $ 412k SX Farm Evapotranspiration Atkins ramp up and training • $ 155k DST In-Pit Heating - trenching for power in AW Farm • $ 151k DNFSB SS Flow instrumentation – OT for AY/AZ Farm installation to meet DNFSB deliverable December 2017 43

  41. Tank Farm Projects Risks, Opportunities and Emergent Scope Risk • Schedule coordination of infrastructure projects with the 242-A Evaporator campaigns. • Access to AW Farm by multiple crews on SCBA. • Potential impacts from PFP work zone. • Coordination of work in AP Farm. Tank Farm Projects FY17 Emergent Scope Tracker Realization Forecast Funding Emergent Work Scope Date Finish Source 222-S Potable Water Air Gap Nov-16 TBD Prod. Ops. 2704HV & 222S Fire System Panel Replacement - design only Dec-16 FY18 TFP ETF Lead-lag compressor design/install - BBL (Project Manager) Mar-17 TBD Prod. Ops. SX Barrier Construction (Third section) Apr-17 TBD TFP Emergency Annulus Pumping Design/Fabrication (not on contract) May-17 FY18 TFP Cross Site Transfer Lines Qualification & Monitoring (not on contract) May-17 TBD TFP AP Farm Change Trailer and Parking Lot May-17 TBD TFP ETF Facility Stairs/Platforms (PM) Jun-17 FY18 Prod. Ops RCE Equipment (e.g. Core Sample Truck disposal) (PM and crew) Jun-17 TBD Prod. Ops. 219S Integrity Assessment - Field work Jul-17 FY18 TFP ETF 310/311 Integrity Assessment (Proposal) Jul-17 FY18 TFP Predictive Maintenance Pilot (PM) Oct-17 FY18 Prod. Ops. AY-102 Sample to support Retrieval Closure Oct-17 FY18 Retrieval U-107 LOW Replacement (BCR) TBD TBD TFP TSCR Infrastructure Upgrades ( ORP Letter of Direction) (Proposal) TBD TBD TFP C-301 Visual Inspection and Direct Push Characterization Planning and field resources) Nov-17 FY18 Closure December 2017 44

  42. Tank Farm Projects Accomplishments and Look Ahead Accomplishments: December: • Performed AW-102 grab sample • Performed AP-106 grab sample • Performed AP-103-D NACE pit inspection • Commenced AP-801 upgrades by removing existing water flow controller equipment • Installed liner SX Farm Evapotranspiration Basin • Continued AW Farm SS flow instrumentation installation • Completed SST visual inspections in TX Farm (four) and SX Farm (three) Look Ahead: January: • Complete AW Farm SS flow instrumentation installation • TF automation wireless equipment installation AP Farm • Safety Shower upgrades – AW Farm • Fabricate/ Factory Acceptance Testing AN and AP Farm Wireless Infrastructure Equipment • Complete two SST visual inspections (CPL) • Receive bids for SX Farm asphalt barrier • Flush AW-103 pump to verify extent of condition and laser measure for equipment to extract waste • Initiate AY/AZ Mechanical installation SS flow February: • Install AP-801 new water flow controller equipment • Complete Ultrasonic Testing DST AY-101 • Complete AP-801 mechanical/electrical installation of new water flow controller • Complete site preparation and trenching for AW-103/AW-104 electrical upgrades • SX Barrier Monitoring System installation Phase I • SX Farm Evapotranspiration Basin – Hydro-seed and Install fencing • Issue subcontract release for placement of SX asphalt barrier • Receive in-pit heaters for remaining pits installations and begin AN pit installation activities • Complete final three SST visual inspections for FY18 • Complete 242-A Facility HVAC Upgrade • AW-103/AW-104 electrical upgrade site preparation & trenching • Perform CAT SS flow instrumentation installation in AW Farm • Perform AW DST Annulus visual inspection • SS Flow installation in AY/AZ Farm March: • Perform grab sampling AW-106. • Receive Visual Robotic crawler from Kurion • Continue DST Enhanced Annulus visual inspections for FY18 • Complete AY/AZ Farm SS flow instrumentation installation • Install AZ-102 pump removal equipment December 2017 45

  43. Tank Farm Projects Approved Baseline Change Requests Log Reporting FY18 (MR / FY17 Baseline BCR Number BCR Title FY18 (NEW) FY18 Total Month XFER) Running Total NA FY18 Baseline - Start of Fiscal Year (As of 10/01/17) September $0 $0 $0 $91,523,246 October 2017 $91,523,246 RPP-18-024 AW-103 Pump Flush & AZ-102 Removal/Installation Re-plan November $453,170 $0 $453,170 $91,976,416 November 2017 $453,170 $0 $453,170 $91,976,416 RPP-18-032 Move Remaining SY Exhauster Scope to UB for Removal from Contract December -$9,661,410 $0 -$9,661,410 $82,315,006 RPP-18-033 Tank-Side Cesium Removal Balance of Plant December $0 $4,024,492 $4,024,492 $86,339,498 RPP-18-034 TFP Internal Re-planning December $0 $0 $0 $86,339,498 December 2017 -$9,661,410 $4,024,492 -$5,636,918 $86,339,498 RPP-18-052 CP-17-004 Fire Alarm Panel Replacements (222-S Design Scope Addition & NTE January $0 $1,029,890 $1,029,890 $87,369,388 Increase) RPP-18-051 CP-17-017 Annulus Emergency Pumping Capability Scope Addition & NTE Increase January $0 $1,333,950 $1,333,950 $88,703,338 RPP-18-040 U-107 Liquid Observation Well (LOW) Replacement January $552,930 $0 $552,930 $89,256,268 January 2018 $552,930 $2,363,840 $2,916,770 $89,256,268 RPP-18-035 TFP PMR Scope Adjustments February TBD TBD $89,256,268 RPP-18-XXX ETF Basin Cover Detail Planning February TBD TBD $89,256,268 RPP-18-XXX WFD Tank Farm Upgrades February TBD TBD $89,256,268 February 2018 $0 $0 $0 $89,256,268 RPP-18-XXX CP-17-018 Cross Site Transfer Lines Scope Addition & NTE Increase March $0 $0 $0 $89,256,268 Cumulative Fiscal Year to Date -$8,655,310 $6,388,332 -$2,266,978 $89,256,268 December 2017 46

  44. Tank Farm Projects Contract Changes NTE Total Impact Title Project Manager Status ($K) ($K) Contract Change 10,500 TBD FY18 10,500 TBD CP-16-017 DST Feed Delivery Upgrades Stoner, Ryan 1/8/18: Continuing to review scope of work for FY18 execution. February BCR will be processed to align PMB with path 4,000 20,425 in Support of DFLAW forward for the balance of the year. NTE forecast to exceed February this has been identified on TOC critical needs list for ORP CO to provide further increase. 12/11/17: Reviewing execution of AP-105 field work and initiation of AP-107 fabrication in light of all new direction for waste feed delivery. CP-17-011 200-E-310/311 PL Transfer Wood, Rob 12/11/17: Awaiting ORP review and subsequent provision of NTE prior to processing scope addition. 0 1,651 Lines 11/13/17: NTE will be requested following ORP proposal review, anticipate December request. 10/19/17: IQRPE of transfer line approved on buyback list for execution. 8/24/17: Proposal submitted to ORP. 8/14/17: Final schedule and cost revisions underway for submittal. CP-17-004 Fire Protection Upgrades Jansen, Jeff 12/11/17: January BCR will be processed to add 222-S lab design for execution, further NTE need date will be assessed 500 TBD following addition. 8/24/17: Request for Proposal with submittal date of 12/20/17. 8/14/17: Included in FY18 all-in assessment. 7/24/17: To be included in all-in FY18 assessment. CP-17-017 Annulus Emergency Pumping Follett, Jordan 12/11/17: January BCR will be processed for further design and fabrication initiation, further NTE need date will be assessed 500 TBD Capability following addition. 12/11/17: January BCR will be processed for further design and fabrication initiation, further NTE need date will be assessed following addition. 11/13/17: Project actively working under $500K NTE limitation. CP-17-018 Cross Site Transfer Lines May, Dustin 1/8/18: March BCR will be processed to add permanent power to 6241V, further NTE need date will be assessed following 500 TBD Qualification & Monitoring addition. System 8/24/17: Request for Proposal with submittal date of 12/20/17. 8/14/17: Included in FY18 all-in assessment. CP-18-006 Waste Feed Delivery Tank Ryan Stoner 1/8/18: Continuing to review scope of work for FY18 execution. February BCR will be processed to align PMB with path 5,000 TBD Farm Upgades forward for the balance of the year. Capital determinations to be processed as operating expense and WRPS Prime Contracts will e-mail CO for confirmation on this designation. 12/11/17:December BCR will be processed to add initial design and site preparation field work. 11/13/17: Proposal kick off held 11/7/17, assessing path forward with impacts of revised LAWPS path forward. ORP Review / Approval is or will be Required Further Not To Exceed Authorization will be Required Need for Contract Direction from ORP Developing Proposal December 2017 47

  45. Tank Farm Projects Risk Status December 2017 December 2017 48

  46. Comprehensive Vapor Action Plan December 2017 NUCON Diesel Unit Fabrication

  47. Comprehensive Vapor Action Plan Project Key Deliverables FY2018 Key Deliverables Target Forecast SEP 2018 SEP 2018 PBI-44.0.1: Complete Installation of Stack Monitoring in AW, AX (2), AN, and 702-AZ PBI-44.0.2: Compete Field Installation and Functional Testing of PA System in B, BX, BY, S, SX, SY, T, TX, TY, and U farms. SEP 2018 AUG 2018 PBI-44.0.3: Complete SST Automation Upgrades at TY Farm SEP 2018 JUL 2018 PBI-44.0.4: Complete NUCON Bench Scale Test and Summary Report SEP 2018 SEP 2018 PBI-44.0.5.1: Complete Initial Factory Acceptance Testing of Strobic Unit MAR 2018 MAR 2018 PBI-44.0.5.2: Complete Second Phase of Off-site Strobic Demonstration and Prepare Results Summary SEP 2018 SEP 2018 PBI-44.0.6: Complete Field Installation and Turnover AW Stack Extension to Operation SEP 2018 SEP 2018 PBI-44.0.7: Complete Six (6) Cartridge Testing Iterations SEP 2018 JUN 2018 Issue Quantitative Risk Analyses (QRA) for six (6) tank farms SEP 2018 SEP 2018 December 2017 50

  48. Comprehensive Vapor Action Plan Project Performance Current Month/Fiscal Year Current Month FYTD FY End WBS BCWS BCWP ACWP SV CV BCWS BCWP ACWP SV CV SPI CPI BAC FCST P EAC SVFCST VAC TCPI FCST P 5.01.05.11.01 - 1-SC1 - Plan for Tank Head Space Sample - - - - - - 6 - 6 6 - - - 9 5 9 4 0.58 5.01.05.11.09 - 9-DR1 - Head Space & Stack Sampling - - - - - - - 2 - -2 - - - 504 364 504 140 1.39 5.01.05.11.33 - 33-RM6 - New Vapor Detection Technology - 44 3 44 40 -219 92 64 311 28 (0.42) 1.44 -219 92 64 311 28 - 5.01.05.11.48 - CVAP Management Commitment 316 316 388 - -72 941 941 1,095 - -154 1.00 0.86 4,061 4,061 4,493 0 -432 0.92 5.01.05.11.49 - New Vapor Detection Technologies 236 328 649 92 -321 1,205 904 1,867 -301 -962 0.75 0.48 3,640 4,067 4,688 540 -508 1.16 5.01.05.11.51 - Head Space & Stack Sampling - - - - - - 2 2 2 -0 - 0.97 214 395 392 181 2 1.01 5.01.05.11.52 - Chemical Cartridge Evaluations 169 159 173 -10 -14 504 402 511 -102 -109 0.80 0.79 3,165 3,084 3,609 0 -444 0.89 5.01.05.11.53 - Tank Farms PA Systems for Event Notification 749 400 496 -349 -96 1,068 641 790 -427 -148 0.60 0.81 3,295 4,001 4,157 720 -142 1.00 5.01.05.11.54 - Chemical Vapor Engineered Control Upgrades 139 253 163 114 89 289 515 390 226 125 1.78 1.32 883 1,045 1,032 167 18 0.83 5.01.05.11.55 - AW Strobic Air Upgrade 64 177 29 113 148 191 219 36 28 183 1.15 6.13 2,576 2,866 2,901 290 -36 0.92 5.01.05.11.56 - Vapor Monitoring & Detection System Upgrades 373 256 222 -117 34 2,623 1,348 1,410 -1,275 -62 0.51 0.96 8,353 8,588 7,891 410 872 1.14 5.01.05.11.57 - Industrial Hygiene Trailer 210 12 39 -198 -27 359 52 93 -307 -42 0.14 0.55 1,871 2,130 2,141 258 -12 1.01 5.01.05.11.58 - SST Stewardship Program 229 103 116 -126 -13 423 154 210 -269 -56 0.36 0.73 2,089 2,476 2,506 387 -31 1.01 5.01.05.11.59 - NUCON Vapor Abatement 215 265 173 50 92 712 365 361 -347 5 0.51 1.01 2,032 2,109 2,419 77 -310 0.85 5.01.05.11.60 - CVAP 222-S Laboratory Upgrades 44 43 7 -1 36 546 97 16 -449 81 0.18 6.20 546 706 611 162 97 1.03 Total 2,744 2,355 2,458 -389 -103 8,641 5,738 6,846 -2,903 -1,108 0.66 0.84 32,506 36,131 37,274 4,015 -753 1.01 FYTD SV Forecast $4,015K : FYTD CV Forecast -$753K : • • FY17 Carryover Recovery VMDS: AP Turnover team smaller than planned as resources are shared between • PA System: AP & C farm installation and testing several different scopes of work and VMDS Stack Monitor OAT & Turnover moved • VMDS: AP farm equipment turnover to FY19 ($872k) • Head space: BY farm jig comparison testing Offset by: • • C2Sense Prototype development Chemical Cartridge: National Lab increased support to aid in cartridge testing • Enhanced auto-sampler development reports and development of future sampling strategy document (-$444k) • • SST Stewardship: TY Automation design New Vapor Technologies: Increased vendor support to complete development of enhanced auto-sampler. (-$244k) and ongoing Fowler support (-$264k) • • 702AZ, AN, AW, and AX Stack Monitors OAT & Turnover (-$297k) CVAP Management Commitment: Increased off-site sampling costs related to CVAP scopes of work and increased national laboratory support in CVAP Studies and Abatement scopes (-$432k) • NUCON Vapor Abatement: Higher than planned costs for off-site testing support (-$310k) December 2017 51

  49. Comprehensive Vapor Action Plan Current Month Predominant Cost and Schedule Variances Current Month Schedule (-$389K) Current Month Cost (-$103K) 5.1.5.11.53 – Tank Farms PA System for Event Notification ($349k) 5.1.5.11.49 – New Vapor Detection Technologies(-$321k) Cause : The current-month unfavorable schedule variance is due to delay in the expected arrival of the PA Cause : The current-month unfavorable cost variance is predominantly driven by greater than anticipated system west area materials. The Material request for the remaining speaker poles, mounts, and batteries was duration and associated cost for technical subcontract support for vapor monitoring and detection system completed on 12/5/18 and is expected to arrive on 2/15/18. support at AP pilot operations and over-arching technical support during design development of placement of VMDS equipment. Corrective Action : No corrective action required. Current-month variance. Technical support contracts have been extended through January of FY18. The usage variance is a result of three additional months of support than originally planned. Project team is working to complete necessary turnover and procedural update tasks. Corrective Action : No corrective action required for current-month variance. 5.1.5.11.57 – Industrial Hygiene Trailer (-$198k) 5.1.5.11.55 – AW Strobic Air Upgrade ($149k) Cause : The current month unfavorable schedule variance results from delays completing 90% design of the Cause : The current month favorable cost variance is due to requiring less project management support than ten-wide IHT trailer. The project team has spent greater than anticipated time developing trailer sketches, expected. Contract is currently with vendor awaiting final submittals from the vendor. layouts, and site evaluations to meet the needs of the Industrial Hygiene group. IH needs have been established and will drive finalization of sketches to provide for 90% design of trailer. Corrective Action : No corrective action required for current-month variance. Corrective Action : No corrective action required. Current-month variance. 5.1.5.11.54 – Chemical Vapor Engineered Control Upgrades ($114k) Cause : The current-month favorable schedule variance is due to the schedule recovery of completing the 242-A Stack Extension Ammonia Analyzer. The Ammonia Analyzer has been installed and software has been implemented. Corrective Action : No corrective action required. Current-month variance. December 2017 52

  50. Comprehensive Vapor Action Plan Project Performance Cumulative to Date Cumulative to Date WBS BCWS BCWP ACWP SV CV SPI CPI BAC TCPI 5.01.05.11.01 - 1-SC1 - Plan for Tank Head Space Sample 225 222 285 -3 -62 0.99 0.78 225 0.58 5.01.05.11.09 - 9-DR1 - Head Space & Stack Sampling 4,110 3,607 2,443 -504 1,163 0.88 1.48 4,110 1.39 5.01.05.11.33 - 33-RM6 - New Vapor Detection Technology 17,613 17,613 16,767 - 846 1.00 1.05 17,613 - 5.01.05.11.48 - CVAP Management Commitment 5,651 5,651 6,117 - -466 1.00 0.92 8,771 0.92 5.01.05.11.49 - New Vapor Detection Technologies 8,704 7,863 9,982 -840 -2,119 0.90 0.79 11,139 1.16 5.01.05.11.51 - Head Space & Stack Sampling 190 11 14 -179 -3 0.06 0.79 404 1.01 5.01.05.11.52 - Chemical Cartridge Evaluations 5,629 5,527 5,115 -102 412 0.98 1.08 8,290 0.89 5.01.05.11.53 - Tank Farms PA Systems for Event Notification 4,413 3,266 3,174 -1,147 93 0.74 1.03 6,640 1.00 5.01.05.11.54 - Chemical Vapor Engineered Control Upgrades 1,396 1,455 1,973 59 -518 1.04 0.74 1,991 0.83 5.01.05.11.55 - AW Strobic Air Upgrade 587 325 92 -262 234 0.55 3.55 2,972 0.92 5.01.05.11.56 - Vapor Monitoring & Detection System Upgrades 4,372 2,390 3,399 -1,982 -1,010 0.55 0.70 10,102 1.10 5.01.05.11.57 - Industrial Hygiene Trailer 671 106 160 -565 -55 0.16 0.66 2,183 1.01 5.01.05.11.58 - SST Stewardship Program 884 229 247 -656 -18 0.26 0.93 2,550 1.01 5.01.05.11.59 - NUCON Vapor Abatement 1,228 804 785 -424 20 0.65 1.03 2,548 0.85 5.01.05.11.60 - CVAP 222-S Laboratory Upgrades 730 119 26 -611 93 0.16 4.63 730 1.03 Total 83,898 76,683 77,402 -7,215 -719 0.91 0.99 107,763 1.00 December 2017 53

  51. Comprehensive Vapor Action Plan Cumulative to Date Predominant Cost and Schedule Variances CTD Schedule (-$7,215K) CTD Cost (-$719K) 5.1.5.11.53 – Tank Farms PA System for Event Notification (-$1,147k) 5.1.5.11.49 – New Vapor Detection Technologies (-$2,119k) Cause : The contract-to-date unfavorable schedule variance is predominately driven by; Cause : The contract to date unfavorable cost variance is predominantly driven by greater than anticipated duration and associated cost for technical subcontract support for vapor monitoring and detection system 1) Delayed west area PA system procurements ($830k). The Material request for the remaining speaker support at AP pilot operations and over-arching technical support during design development of placement of poles, mounts, and batteries was completed on 12/5/17 and is expected to arrive on 2/15/18. VMDS equipment. 2)Delayed west area PA system reader boards ($133k). Reader boards have been ordered and are expected Corrective Action : The project manager will continue to monitor need for technical subcontracts and work to to arrive after a 12 week lead time on 3/5/18. scale back support as farms get closer to turnover to operations. 3) The delayed start of construction for the permanent public address system around the east area tank farms ($314k). The variance is caused by upfront design delays following a late contract award as upfront scoping agreements took longer than anticipated for east area farms. An Engineering change request was required for re-work of failed PA system batteries. Vendor has had insufficient resources to provide for field work activities. Work is on-going in AP & C farm and is expected to be completed by 1/30/18. Corrective Action : The Material request for the remaining speaker poles, mounts, and batteries was completed on 12/5/18 and is expected to arrive on 2/15/18. Reader boards have been ordered and are expected to arrive after a 12 week lead time on 3/5/18. 5.1.5.11.60 – CVAP 222-S Laboratory Upgrades (-$611k) 5.1.5.11.9 – Head Space & Stack Sampling ($1,163k) Cause : The cumulative to date schedule variance is primarily due to the delayed procurement of the GC Cause: The favorable contract-to-date variance is due to usage efficiencies attributed to field labor support mass spectrometer. Subcontracting issues related to the procurement of the equipment have been resolved usage and diminished Crane & Rigging support to Head Space & Exhaust Stack Sampling in FY16. and the procurement contract has been issued with an anticipated receipt date of February. Installation and renovation activities will follow and are expected to begin in March. After carrying out initial samples, it was determined that 1) Less than anticipated NCO's, IHT's, HPT's, and plant engineers are required to complete samples, 2) samples can be completed with less than originally Corrective Action: No corrective actions planned. Installation & Renovation activities are expected to planned Crane & Rigging support because the riser caps being accessed to perform sampling can be conclude in August removed manually rather than requiring Crane & Rigging support as was initially planned, and 3) exhaust stack samples are able to be completed in tandem with head space samples utilizing the same crew. Corrective Action: No corrective action required. Cost variance is favorable and project anticipates continued efficiencies carrying out future samples. Anticipated savings are reflected in the EAC. December 2017 54

  52. Comprehensive Vapor Action Plan Cumulative to Date Predominant Cost and Schedule Variances CTD Schedule (-$7,215K) CTD Cost (-$719K) 5.1.5.11.49 – New Vapor Detection Technologies (-$840k) 5.1.5.11.56 – Vapor Monitoring Detection System Upgrades (-$1,010k) Cause : The contract-to-date unfavorable variance is driven by: Cause : The cumulative to date unfavorable cost variance is a labor usage variance resulting from more than anticipated design labor support due to a change in project strategy in order to meet the project milestone to 1)Delays in technical subcontract support for vapor monitoring and detection system over arching technical complete three farms' design packages by the end of September FY17, specifically for AW, AN, and AZ support during design development of placement of VMDS equipment. The activity delays were a result from stacks. multiple revisions of design development due to unforeseen complications and issues regarding placement of VMDS equipment. Corrective Action: There are no corrective actions planned at the current time. The unfavorable variance is not anticipated to be fully recovered for design effort. 2)Delays in developing the enhanced auto sampler unit. Final design and procurement of necessary materials to develop the auto sampler required UV-DOAS equipment specifications which were unavailable until early October FY18 after stack monitor designs for AN, AW, and AZ were completed. Corrective Action : 1) Final work packages are being executed and closed out to finalize VMDS pilot testing technical subcontract support. Completion of these activities is anticipated in January FY17. 2) UV-DOAS equipment specifications have been received by vendor and being incorporated into the design of the enhanced auto sampler unit. WRPS engineering are working closely with vendor to ensure proper design inputs and materials are ordered. Procurements will be done in parallel and several sub-components of the enhanced auto sampler will be FAT tested on an interim basis prior to a final integrated FAT in hopes to resolve any potential issues early on in the process. 5.1.5.11.56 – Vapor Monitoring & Detection System Upgrades (-$1,982k) 5.1.5.11.33 – 33-RM6 New Vapor Detection Technology ($846k) Cause : The cumulative to date unfavorable variance is driven by Cause : The cumulative to date favorable cost variance is attributed to the following: 1) result of conversion of planned field installation and testing resources from plant forces direct labor to construction forces 1)Delayed receipt of fence-line monitoring equipment. Upfront procurement process and contract award to subcontract and 2) the utilization of less than anticipated support for the amount of work accomplished in vendor was delayed to allow further time to finalize specifications for the equipment. Progress payments are September and October 2016 as testing normalized and focus shifted to report production. being throughout procurement process. ($524k) The cumulative to date favorable cost variance was partially offset by greater than anticipated subcontractor 2)Delays in turnover procedural development and final OAT & Test Report development for AP Farm usage cost from the following: 1) the construction subcontractor support due to initial training requirements readiness. ($897k) and greater than anticipated material needed for installation, 2) unanticipated usage cost from the construction subcontractor and the national laboratory for additional support needed to troubleshoot, 3)AW farm stack monitor work package planning & field installation delayed awaiting final equipment calibrate, and integrate the software of new detection technology equipment, 3) ongoing greater than specifications, functional requirements, and vendor QA resolution. ($375k) anticipated national laboratory usage cost in delivery of bench scale test report. Extended duration as a result of delays in original equipment receipt led to increased cost and prolonged installation timeline and 4) Final Corrective Action: construction contractor CAL settlement and invoicing. 1) Identify and revise necessary procedures to integrate VMDR system into farm operations. Project manager Corrective Action : No corrective action required as this is a favorable cumulative to date cost variance. is currently coordinating this effort with procedures organization. 2) Work package closeout for Pilot Scale Testing required prior to turnover of equipment. Engineering staff has been assigned to monitor and status closeout of each ECN and work package. 3) Project representatives will be sent to vendor location to support ongoing development of their quality assurance program to meet tank farm's needs. Following QA development and sign-off procurements can proceed. December 2017 55

  53. Comprehensive Vapor Action Plan Project Schedule Recovery EOY Schedule Forecast Variance - VMDS Stack Monitors OAT & turnover into FY19 CM Schedule Forecast Variance - PA System AP farm Installation: ECN revision required prior to finalizing field work (-$49k) - Head Space Sampling comparison Recovery Discussion testing setup (-$97k) - PA System ($1,147k): - Ammonia Analyzer Phase II completion - Completion of AP & C farms ($80k) - Reader Board receipt and Install - West Area equipment procurements - New Vapor Technology: Enhanced Auto-sampler development ($395k) - VMDS AP farm Testing, Readiness, and Turnover ($897k) - VMDS fence-line monitors equipment receipt ($524k) - SST Automation ($656k): TY Farm Design - Head Space Sampling ($683k): Cartridge jig validation testing & associated procurements. - Strobic Air ($262k): Strobic test plan and Strobic Air support. - 10-wide Trailer ($565k): 10-wide trailer procurement and site design. - CVAP 222-S Lab Upgrades ($611k): Room 4S equipment upgrade planning, design, and equipment receipt. December 2017 56

  54. Comprehensive Vapor Action Plan Project Schedule Recovery Recovery Discussion Recovery Discussion - Receipt of equipment in - December Recovery SV: January FY18. Field work AP/C farm completion in to initiate in Q2 of FY18. February - Receipt of West Area procurements in February/March Recovery Discussion - Recovery SV: AP farm equipment turnover in FM June - Fence-line monitor receipt in March - Stack Monitor installation June through September - EOY Variance: Stack Monitors OAT & Turnover December 2017 57

  55. Comprehensive Vapor Action Plan Project Spend Plan Oct-17 Nov-17 Dec-17 Jan-18 Feb-18 Mar-18 Apr-18 May-18 Jun-18 Jul-18 Aug-18 Sep-18 FY Spend ACWP/ETC PDN Target Delta (4W) (5W) (4W) (4W) (4W) (5W) (4W) (5W) (4W) (4W) (5W) (5W) Forecast Oct-17 1,617 2,931 3,287 3,775 3,828 6,084 3,702 3,279 2,610 2,642 2,152 1,985 37,892 Nov-17 1,617 2,771 2,546 3,366 3,633 4,683 3,624 4,063 4,016 2,857 2,330 2,064 37,570 Dec-17 1,617 2,771 2,458 3,102 3,999 4,771 3,147 4,526 4,080 3,008 2,053 1,807 37,338 37,570 231 Delta -1,264 -160 -88 -232 Percentage -43.9% -5.4% -3.4% -0.6% December Delta: -$88K, -3.4% • Auto sampler development – Subcontractor procurement commitments that were not forecasted for December (-$94k) • Tank Farms PA System – ECN revision support and east area farms ongoing testing and speaker maintenance prior to turnover (-$60k) • Head Space Sampling – BY farm comparison testing setup to be completed in January ($74k) • Ammonia Analyzer Phase II – Less than anticipated support to complete Ammonia Analyzer software upgrade ($63k) • Strobic Air Testing – Less than anticipated vendor support following delay in initial submittals ($43k) Spend Forecast: -$232K, -0.6% • AP farm turnover – Fowler construction and Ares design support extended through January 2018 ($195k) • 702AZ, AN, AW, and AX Stack Monitors OAT and turnover to be completed in FY19 (-$504k) PDN Delta: $ 231k • AP farm turnover – Fowler construction and Ares design support extended through January 2018 ($195k) • 702AZ, AN, AW, and AX Stack Monitors OAT and turnover to be completed in FY19 (-$504k) December 2017 58

  56. Comprehensive Vapor Action Plan Project Accomplishments & Look Ahead Accomplishments Look Ahead December: January : • Delivery of C2Sense prototype devices • AW Stack Extension final design • Completed Ammonia Analyzer Phase II Tie-in • AN farm Basis of Design • Awarded Strobic Air equipment contract • Complete NUCON Vapor Abatement Unit Final Test Plan • Drafted AN Farm Basis of Design • Install PA system in AP farm • Completed farm laser scans in support of QRA’s • Evaporator QRA/Basis of Design Approval February: • Complete draft SST Stewardship Execution Strategy Document • Award Contract - AW Stack Extension Fabrication • Draft AN farm QRA • Draft AX and AY/AZ Basis of Designs • Complete AX farm stack monitor 60% design • BY-108 Cartridge Testing • Jig validation comparison head space sampling in BY farm • PA System turnover to Operations in A-complex • PA System West Area equipment procurements • Submit Final UV-DOAS Cerex Stack Monitor Design AN & AZ farms March: • 222S 4S Renovation Draft Design • 10-wide IH Trailer 90% site design • Continued PAPR cartridge testing • PA System reader-boards receipt • CVAP 222-S Lab Upgrades receipt and field work kickoff • TY Farm Automation Design • Strobic Factory Acceptance Testing • NUCON diesel unit shipment and testing setup December 2017 59

  57. Comprehensive Vapor Action Plan Project Baseline Change Log BCR Number BCR Title Reporting Month BCR Level FY18 Total FY18 Baseline Running Total RPP-17-134 Fiscal Year 2018 Planning September FY17 2 $ 46,068 $ 46,068 RPP-18-016 Move Phase I Autosampler Scope to UB October FY18 2 $ (219) $ 45,849 NUCON Vapor Abatement Propane Test and PTR-MS Re- RPP-18-015 October FY18 3 $ 352 $ 46,201 plan RPP-18-054 AW Stack Extension Field Work January FY18 3 $ 2,152 $ 48,353 FY18 Total $ 48,353 December 2017 60

  58. Comprehensive Vapor Action Plan Project Contract Change Log Total Impact Title Project Manager BCR Level Status ($K) 105,221 Contract Change FY17/18 105,221 - NTE increase to $47.3M received 10/31/17. - Proposal audit complete. CP-17-009 Comprehensive Vapor Action Plan Gagnon, Paul -- 105,221 - ERRATA submittal imminent. December 2017 61

  59. Comprehensive Vapor Action Plan Top Risk Items December 2017 62

  60. Comprehensive Vapor Action Plan Top Risk Items December 2017 63

  61. Comprehensive Vapor Action Plan Top Risk Items December 2017 64

  62. Comprehensive Vapor Action Plan Top Risk Items December 2017 65

  63. LAWPS December 2017

  64. LAWPS Overview Current Month FYTD FY End Cumulative to Date WBS BCWS BCWP ACWP SV CV BCWS BCWP ACWP SV CV SPI CPI BAC EAC VAC TCPI FCST P BCWS BCWP ACWP SV CV SPI CPI BAC TCPI 5.05.01.02.01 - E - LAWPS - Concept. Design - Project Management - - - - - - - - - - - - - - - - 1,030 1,030 970 - 60 1.00 1.06 1,030 - 5.05.01.02.02 - E - LAWPS - Concept. Design - Project Support - - - - - - - - - - - - - - - - 2,809 2,809 3,213 - -404 1.00 0.87 2,809 - 5.05.01.02.03 - E - LAWPS - Concept. Design - Permitting - - - - - - - - - - - - - - - - 160 160 57 - 103 1.00 2.82 160 - 5.05.01.02.04 - E - LAWPS - Concept. Design - Safety Analysis - - - - - - - 7 - -7 - - - 7 -7 - 689 689 648 - 41 1.00 1.06 689 - 5.05.01.02.05 - E - LAWPS - Concept. Design - Technology Matur. - - - - - - - - - - - - - - - - 816 816 495 - 321 1.00 1.65 816 - 5.05.01.02.06 - E - LAWPS - Concept. Design - Design - - - - - - - - - - - - - - - - 4,236 4,236 4,296 - -60 1.00 0.99 4,236 - 5.05.03.02.01 - P - LAWPS - Design Project Management (PM) 174 174 162 - 11 518 518 495 - 22 1.00 1.05 4,108 4,057 51 1.01 4,273 4,273 4,873 - -600 1.00 0.88 7,863 1.01 5.05.04.02.01 - P - LAWPS - Design - Project Support (PS) 584 447 416 -137 31 1,707 1,354 1,424 -354 -70 0.79 0.95 3,633 3,918 -286 0.80 12,904 12,526 15,296 -377 -2,769 0.97 0.82 14,829 0.92 5.05.05.01.01 - E - LAWPS - Permitting Dev., Prep & Reviews 19 13 25 -6 -12 56 38 91 -18 -52 0.69 0.42 111 186 -75 0.68 1,320 1,293 923 -27 370 0.98 1.40 1,375 0.86 5.05.06.02.01 - P - LAWPS - Design Safety Analysis 24 27 51 4 -24 101 104 201 3 -97 1.03 0.52 244 534 -290 1.27 1,786 1,471 1,757 -314 -285 0.82 0.84 1,928 1.37 5.05.07.01.01 - P - LAWPS - Tech Maturation Program & Misc Tests 18 18 7 - 12 54 54 24 - 30 1.00 2.21 122 83 39 1.16 1,027 1,027 693 - 334 1.00 1.48 1,095 1.16 5.05.07.01.02 - P - LAWPS - Tech Mature. Integrated Scale Test 505 528 367 23 161 1,603 1,566 1,270 -37 297 0.98 1.23 3,152 3,587 -435 0.81 26,756 26,392 25,950 -364 442 0.99 1.02 28,305 0.83 5.05.07.01.03 - P - LAWPS - Tech Maturation Full Scale Test 24 - - -24 - 70 - - -70 - - - 197 196 1 0.87 96 - - -96 - - - 223 1.14 5.05.08.02.01 - P - LAWPS - Design System Integration 898 - -11 -898 11 3,454 1,792 1,687 -1,662 104 0.52 1.06 7,169 7,333 -164 1.00 20,149 18,012 18,254 -2,137 -242 0.89 0.99 23,865 1.04 5.05.08.02.02 - P - LAWPS - Design Reagent Systems 34 - -0 -34 0 173 61 100 -112 -38 0.35 0.62 471 600 -129 1.00 1,154 951 834 -203 117 0.82 1.14 1,452 1.00 5.05.08.02.03 - P - LAWPS - Design Primary Pretreat System 198 - 11 -198 -11 717 473 440 -244 33 0.66 1.08 2,040 2,078 -38 1.00 4,982 4,667 6,219 -316 -1,552 0.94 0.75 6,305 1.00 5.05.08.02.04 - P - LAWPS - Design HVAC System 34 - -0 -34 0 266 257 143 -8 115 0.97 1.81 775 808 -33 1.00 2,042 1,886 2,102 -156 -216 0.92 0.90 2,552 1.00 5.05.08.02.05 - P - LAWPS - Design Solid Waste System 6 - -0 -6 0 9 -0 3 -9 -3 (0.00) (0.00) 85 86 -2 1.00 299 291 102 -8 189 0.97 2.86 374 1.00 5.05.08.02.06 - P - LAWPS - Design Balance of Plant System 366 - -4 -366 4 1,053 313 568 -740 -255 0.30 0.55 3,409 3,999 -590 1.00 6,861 5,786 7,423 -1,075 -1,637 0.84 0.78 9,217 1.00 5.05.08.02.07 - P - LAWPS - Design Facilities System 279 - 4 -279 -4 781 375 1,005 -407 -631 0.48 0.37 2,659 4,590 -1,932 1.00 7,005 5,297 8,549 -1,708 -3,252 0.76 0.62 8,882 1.00 5.05.08.02.08 - P - LAWPS - Design Project Management & Support 1,416 672 1,140 -745 -469 2,646 1,832 2,222 -814 -390 0.69 0.82 8,751 9,368 -616 0.97 17,343 16,495 16,788 -849 -293 0.95 0.98 23,449 0.97 5.05.08.02.09 - P - LAWPS - Build to Print - - 4 - -4 19 28 196 9 -168 1.45 0.14 968 1,734 -766 1.00 2,070 1,480 1,562 -590 -82 0.72 0.95 3,018 1.00 5.05.11.02.01 - P - LAWPS - Long Lead Procurements Design 811 1,036 1,002 225 34 2,148 2,342 2,438 194 -96 1.09 0.96 3,840 4,769 -929 0.79 6,718 6,346 6,204 -373 142 0.94 1.02 8,411 0.89 Total 5,389 2,914 3,174 -2,474 -260 15,377 11,108 12,313 -4,269 -1,205 0.72 0.90 41,734 47,933 -6,199 0.96 126,525 117,934 127,207 -8,591 -9,273 0.93 0.93 152,882 0.98 December 2017 67

  65. LAWPS Schedule and Cost Forecast December 2017 68

  66. LAWPS Current Month Variances Schedule 5.5.4.2.1 P - LAWPS - Design - Project Support (PS) -$137k Cause: On October 23, 2017 the External Expert Review of the Low-Activity Waste Pretreatment System (LAWPS) Project document was released, which endorsed an optimized LAWPS facility that would vary significantly from the previous LAWPS design. Following the External Expert Review, on November 16, 2017 WRPS received Letter 17-TF-0096 - CONTRACT NUMBER DE-AC27-08RV14800 - Direction to Suspend Selected Low Activity Waste Pretreatment System Design and Testing Activities, providing formal direction from the U.S. Department of Energy, Office of River Protection (DOE-ORP) to de-scope items associated with the previous LAWPS design. As a result, on November 29, 2017, WRPS terminated the subcontract previously established for Seismic Testing of the LAWPS Jumper Connectors. This scope will reside in the project's PMB until a BCR is implemented to remove the associated remaining BCWS. Until then, unfavorable schedule variances will continue to be realized. Impact: The project team is in the planning stages of an optimized LAWPS design. It is anticipated that the current remaining baseline activities will be replaced by a revised plan in support of an optimized LAWPS design. In the interim, schedule variances will continue to be realized as the Stop Work remains in effect. 5.5.8.2.1 P - LAWPS - Design System Integration -$898k Cause: On October 23, 2017 the External Expert Review of the Low-Activity Waste Pretreatment System (LAWPS) Project document was released, which endorsed an optimized LAWPS facility that would vary significantly from the previous LAWPS design. Following the External Expert Review, on November 16, 2017 WRPS received Letter 17-TF-0096 - CONTRACT NUMBER DE-AC27-08RV14800 - Direction to Suspend Selected Low Activity Waste Pretreatment System Design and Testing Activities, providing formal direction from the U.S. Department of Energy, Office of River Protection (DOE-ORP) to de-scope items associated with the previous LAWPS design. As a result, on November 20, 2017, WRPS issued a Stop Work Order to the Architect Engineer (A/E), requesting that they cease further progress of the previous design. The current delay being experienced in this account is a direct result of the stop work. Impact: The project team is in the planning stages of an optimized LAWPS design. It is anticipated that the current remaining baseline activities will be replaced by a revised plan in support of an optimized LAWPS design. In the interim, schedule variances will continue to be realized as the Stop Work remains in effect. December 2017 69

  67. LAWPS Overview Current Month FYTD FY End Cumulative to Date WBS BCWS BCWP ACWP SV CV BCWS BCWP ACWP SV CV SPI CPI BAC EAC VAC TCPI FCST P BCWS BCWP ACWP SV CV SPI CPI BAC TCPI 5.05.01.02.01 - E - LAWPS - Concept. Design - Project Management - - - - - - - - - - - - - - - - 1,030 1,030 970 - 60 1.00 1.06 1,030 - 5.05.01.02.02 - E - LAWPS - Concept. Design - Project Support - - - - - - - - - - - - - - - - 2,809 2,809 3,213 - -404 1.00 0.87 2,809 - 5.05.01.02.03 - E - LAWPS - Concept. Design - Permitting - - - - - - - - - - - - - - - - 160 160 57 - 103 1.00 2.82 160 - 5.05.01.02.04 - E - LAWPS - Concept. Design - Safety Analysis - - - - - - - 7 - -7 - - - 7 -7 - 689 689 648 - 41 1.00 1.06 689 - 5.05.01.02.05 - E - LAWPS - Concept. Design - Technology Matur. - - - - - - - - - - - - - - - - 816 816 495 - 321 1.00 1.65 816 - 5.05.01.02.06 - E - LAWPS - Concept. Design - Design - - - - - - - - - - - - - - - - 4,236 4,236 4,296 - -60 1.00 0.99 4,236 - 5.05.03.02.01 - P - LAWPS - Design Project Management (PM) 174 174 162 - 11 518 518 495 - 22 1.00 1.05 4,108 4,057 51 1.01 4,273 4,273 4,873 - -600 1.00 0.88 7,863 1.01 5.05.04.02.01 - P - LAWPS - Design - Project Support (PS) 584 447 416 -137 31 1,707 1,354 1,424 -354 -70 0.79 0.95 3,633 3,918 -286 0.80 12,904 12,526 15,296 -377 -2,769 0.97 0.82 14,829 0.92 5.05.05.01.01 - E - LAWPS - Permitting Dev., Prep & Reviews 19 13 25 -6 -12 56 38 91 -18 -52 0.69 0.42 111 186 -75 0.68 1,320 1,293 923 -27 370 0.98 1.40 1,375 0.86 5.05.06.02.01 - P - LAWPS - Design Safety Analysis 24 27 51 4 -24 101 104 201 3 -97 1.03 0.52 244 534 -290 1.27 1,786 1,471 1,757 -314 -285 0.82 0.84 1,928 1.37 5.05.07.01.01 - P - LAWPS - Tech Maturation Program & Misc Tests 18 18 7 - 12 54 54 24 - 30 1.00 2.21 122 83 39 1.16 1,027 1,027 693 - 334 1.00 1.48 1,095 1.16 5.05.07.01.02 - P - LAWPS - Tech Mature. Integrated Scale Test 505 528 367 23 161 1,603 1,566 1,270 -37 297 0.98 1.23 3,152 3,587 -435 0.81 26,756 26,392 25,950 -364 442 0.99 1.02 28,305 0.83 5.05.07.01.03 - P - LAWPS - Tech Maturation Full Scale Test 24 - - -24 - 70 - - -70 - - - 197 196 1 0.87 96 - - -96 - - - 223 1.14 5.05.08.02.01 - P - LAWPS - Design System Integration 898 - -11 -898 11 3,454 1,792 1,687 -1,662 104 0.52 1.06 7,169 7,333 -164 1.00 20,149 18,012 18,254 -2,137 -242 0.89 0.99 23,865 1.04 5.05.08.02.02 - P - LAWPS - Design Reagent Systems 34 - -0 -34 0 173 61 100 -112 -38 0.35 0.62 471 600 -129 1.00 1,154 951 834 -203 117 0.82 1.14 1,452 1.00 5.05.08.02.03 - P - LAWPS - Design Primary Pretreat System 198 - 11 -198 -11 717 473 440 -244 33 0.66 1.08 2,040 2,078 -38 1.00 4,982 4,667 6,219 -316 -1,552 0.94 0.75 6,305 1.00 5.05.08.02.04 - P - LAWPS - Design HVAC System 34 - -0 -34 0 266 257 143 -8 115 0.97 1.81 775 808 -33 1.00 2,042 1,886 2,102 -156 -216 0.92 0.90 2,552 1.00 5.05.08.02.05 - P - LAWPS - Design Solid Waste System 6 - -0 -6 0 9 -0 3 -9 -3 (0.00) (0.00) 85 86 -2 1.00 299 291 102 -8 189 0.97 2.86 374 1.00 5.05.08.02.06 - P - LAWPS - Design Balance of Plant System 366 - -4 -366 4 1,053 313 568 -740 -255 0.30 0.55 3,409 3,999 -590 1.00 6,861 5,786 7,423 -1,075 -1,637 0.84 0.78 9,217 1.00 5.05.08.02.07 - P - LAWPS - Design Facilities System 279 - 4 -279 -4 781 375 1,005 -407 -631 0.48 0.37 2,659 4,590 -1,932 1.00 7,005 5,297 8,549 -1,708 -3,252 0.76 0.62 8,882 1.00 5.05.08.02.08 - P - LAWPS - Design Project Management & Support 1,416 672 1,140 -745 -469 2,646 1,832 2,222 -814 -390 0.69 0.82 8,751 9,368 -616 0.97 17,343 16,495 16,788 -849 -293 0.95 0.98 23,449 0.97 5.05.08.02.09 - P - LAWPS - Build to Print - - 4 - -4 19 28 196 9 -168 1.45 0.14 968 1,734 -766 1.00 2,070 1,480 1,562 -590 -82 0.72 0.95 3,018 1.00 5.05.11.02.01 - P - LAWPS - Long Lead Procurements Design 811 1,036 1,002 225 34 2,148 2,342 2,438 194 -96 1.09 0.96 3,840 4,769 -929 0.79 6,718 6,346 6,204 -373 142 0.94 1.02 8,411 0.89 Total 5,389 2,914 3,174 -2,474 -260 15,377 11,108 12,313 -4,269 -1,205 0.72 0.90 41,734 47,933 -6,199 0.96 126,525 117,934 127,207 -8,591 -9,273 0.93 0.93 152,882 0.98 December 2017 70

  68. LAWPS Schedule and Cost Forecast December 2017 71

  69. LAWPS Current Month Variances Schedule 5.5.4.2.1 P - LAWPS - Design - Project Support (PS) -$137k Cause: On October 23, 2017 the External Expert Review of the Low-Activity Waste Pretreatment System (LAWPS) Project document was released, which endorsed an optimized LAWPS facility that would vary significantly from the previous LAWPS design. Following the External Expert Review, on November 16, 2017 WRPS received Letter 17-TF-0096 - CONTRACT NUMBER DE-AC27-08RV14800 - Direction to Suspend Selected Low Activity Waste Pretreatment System Design and Testing Activities, providing formal direction from the U.S. Department of Energy, Office of River Protection (DOE-ORP) to de-scope items associated with the previous LAWPS design. As a result, on November 29, 2017, WRPS terminated the subcontract previously established for Seismic Testing of the LAWPS Jumper Connectors. This scope will reside in the project's PMB until a BCR is implemented to remove the associated remaining BCWS. Until then, unfavorable schedule variances will continue to be realized. Impact: The project team is in the planning stages of an optimized LAWPS design. It is anticipated that the current remaining baseline activities will be replaced by a revised plan in support of an optimized LAWPS design. In the interim, schedule variances will continue to be realized as the Stop Work remains in effect. 5.5.8.2.1 P - LAWPS - Design System Integration -$898k Cause: On October 23, 2017 the External Expert Review of the Low-Activity Waste Pretreatment System (LAWPS) Project document was released, which endorsed an optimized LAWPS facility that would vary significantly from the previous LAWPS design. Following the External Expert Review, on November 16, 2017 WRPS received Letter 17-TF-0096 - CONTRACT NUMBER DE-AC27-08RV14800 - Direction to Suspend Selected Low Activity Waste Pretreatment System Design and Testing Activities, providing formal direction from the U.S. Department of Energy, Office of River Protection (DOE-ORP) to de-scope items associated with the previous LAWPS design. As a result, on November 20, 2017, WRPS issued a Stop Work Order to the Architect Engineer (A/E), requesting that they cease further progress of the previous design. The current delay being experienced in this account is a direct result of the stop work. Impact: The project team is in the planning stages of an optimized LAWPS design. It is anticipated that the current remaining baseline activities will be replaced by a revised plan in support of an optimized LAWPS design. In the interim, schedule variances will continue to be realized as the Stop Work remains in effect. December 2017 72

  70. LAWPS Current Month Variances Schedule 5.5.8.2.3 P - LAWPS - Design Primary Pretreat System -$198k Cause: On October 23, 2017 the External Expert Review of the Low-Activity Waste Pretreatment System (LAWPS) Project document was released, which endorsed an optimized LAWPS facility that would vary significantly from the previous LAWPS design. Following the External Expert Review, on November 16, 2017 WRPS received Letter 17-TF-0096 - CONTRACT NUMBER DE-AC27-08RV14800 - Direction to Suspend Selected Low Activity Waste Pretreatment System Design and Testing Activities, providing formal direction from the U.S. Department of Energy, Office of River Protection (DOE-ORP) to de-scope items associated with the previous LAWPS design. As a result, on November 20, 2017, WRPS issued a Stop Work Order to the Architect Engineer (A/E), requesting that they cease further progress of the previous design. The current delay being experienced in this account is a direct result of the stop work. Impact: The project team is in the planning stages of an optimized LAWPS design. It is anticipated that the current remaining baseline activities will be replaced by a revised plan in support of an optimized LAWPS design. In the interim, schedule variances will continue to be realized as the Stop Work remains in effect. 5.5.8.2.6 P - LAWPS – Design Balance of Plant System -$366k Cause: On October 23, 2017 the External Expert Review of the Low-Activity Waste Pretreatment System (LAWPS) Project document was released, which endorsed an optimized LAWPS facility that would vary significantly from the previous LAWPS design. Following the External Expert Review, on November 16, 2017 WRPS received Letter 17-TF-0096 - CONTRACT NUMBER DE-AC27-08RV14800 - Direction to Suspend Selected Low Activity Waste Pretreatment System Design and Testing Activities, providing formal direction from the U.S. Department of Energy, Office of River Protection (DOE-ORP) to de-scope items associated with the previous LAWPS design. As a result, on November 20, 2017, WRPS issued a Stop Work Order to the Architect Engineer (A/E), requesting that they cease further progress of the previous design. The current delay being experienced in this account is a direct result of the stop work. Impact: The project team is in the planning stages of an optimized LAWPS design. It is anticipated that the current remaining baseline activities will be replaced by a revised plan in support of an optimized LAWPS design. In the interim, schedule variances will continue to be realized as the Stop Work remains in effect. December 2017 73

  71. LAWPS Current Month Variances Schedule 5.5.8.2.7 P - LAWPS - Design Facilities System -$279k Cause: On October 23, 2017 the External Expert Review of the Low-Activity Waste Pretreatment System (LAWPS) Project document was released, which endorsed an optimized LAWPS facility that would vary significantly from the previous LAWPS design. Following the External Expert Review, on November 16, 2017 WRPS received Letter 17-TF-0096 - CONTRACT NUMBER DE-AC27-08RV14800 - Direction to Suspend Selected Low Activity Waste Pretreatment System Design and Testing Activities, providing formal direction from the U.S. Department of Energy, Office of River Protection (DOE-ORP) to de-scope items associated with the previous LAWPS design. As a result, on November 20, 2017, WRPS issued a Stop Work Order to the Architect Engineer (A/E), requesting that they cease further progress of the previous design. The current delay being experienced in this account is a direct result of the stop work. Impact: The project team is in the planning stages of an optimized LAWPS design. It is anticipated that the current remaining baseline activities will be replaced by a revised plan in support of an optimized LAWPS design. In the interim, schedule variances will continue to be realized as the Stop Work remains in effect. 5.5.8.2.8 P - LAWPS – Design Project Management & Support -$745k Cause: On October 23, 2017 the External Expert Review of the Low-Activity Waste Pretreatment System (LAWPS) Project document was released, which endorsed an optimized LAWPS facility that would vary significantly from the previous LAWPS design. Following the External Expert Review, on November 16, 2017 WRPS received Letter 17-TF-0096 - CONTRACT NUMBER DE-AC27-08RV14800 - Direction to Suspend Selected Low Activity Waste Pretreatment System Design and Testing Activities, providing formal direction from the U.S. Department of Energy, Office of River Protection (DOE-ORP) to de-scope items associated with the previous LAWPS design. As a result, on November 20, 2017, WRPS issued a Stop Work Order to the Architect Engineer (A/E), requesting that they cease further progress of the previous design. The current delay being experienced in this account is a direct result of the stop work. Impact: The project team is in the planning stages of an optimized LAWPS design. It is anticipated that the current remaining baseline activities will be replaced by a revised plan in support of an optimized LAWPS design. In the interim, schedule variances will continue to be realized as the Stop Work remains in effect. December 2017 74

  72. LAWPS Current Month Variances Schedule 5.5.11.2.1 - P - LAWPS – Long Lead Procurement Design $225k Cause: The CM SV is primarily due to the following: • The CM SV is primarily due to the completion of tasks planned in earlier reporting periods, Submittal of the preliminary design review package for the ASME Tanks, $1,036k. These tasks are as follows: Vendor Submittal of the ASME Tanks Preliminary Design Review Package, Vendor Submittal of the Seismic and Safety Integrity Level (SIL) of the Xomox valves, and completion of component fabrication for Cross Flow Filter test and the associated testing/analysis. As the BCWS for these tasks resides in previous reporting periods, the performance earned in the current period contributes to this months favorable schedule variance. • The favorable variance is significantly offset by tasks supporting the design of the Xomox valves, submittal of the general assembly drawings for the CFF valves which was completed in fiscal October but planned in the current period, -$400k. The other task being the Vendor Submittal of the 90% Design package for Xomox valves, which has been delayed as a result of the unplanned effort for the vendor to assemble and internally review the package prior to its submission to WRPS. - $400k. Impact: There is no impact to critical downstream activities as a result of this month's favorable schedule variance. The project team is in the planning stages of an optimized LAWPS design. It is anticipated that the current remaining baseline activities will be replaced by a revised plan in support of an optimized LAWPS design. December 2017 75

  73. LAWPS Current Month Variances Cost 5.5.7.1.2 - P - LAWPS – Tech Mature. Integrated Scale Test $161k Cause: The CM CV is primarily due to the following: • Completing 8M testing activities more efficiently than planned. The corresponding Project Management oversight resources were required in the current period. • In addition, analytical analysis and sampling work was performed for less than planned. Impact: There is no impact to any other activities outside of this account. 5.5.8.2.8 P - LAWPS – Design Project Management & Support -$469k Cause : The CM CV is primarily due to the following: • The effort for the Architect Engineer (A/E) to deliver all completed and partially completed work products following the stop work order issued to the A/E on November 20, 2017. The stop work order followed Letter 17-TF-0096 – CONTRACT NUMBER DE-AC27-08RV14800 – Direction to Suspend Selected Low Activity Waste Pretreatment System Design and Testing Activities, received from the U.S. Department of Energy, Office of River Protection (DOE-ORP) on November 16, 2017. The effort to deliver all completed and partially completed work products, is unbudgeted and therefore all associated cost contributes to the current month’s unfavorable variance, -$661k. • This variance is somewhat offset by a favorable variance in the effort to support planning and setup associated with an optimized LAWPS design, $203k. This can be attributed to the A/E’s ability to support this effort with limited resources. Impact: The control account is forecasted to be overspent; however, costs associated with the effort to deliver all completed or partially completed work products is to be included in Contract Change Proposal 18-007 and the budgeted value of the control account will ultimately be increased by the value negotiated for this effort. December 2017 76

  74. LAWPS CTD Variances Schedule 5.5.4.2.1 P - LAWPS – Design – Project Support (PS) -$377k Cause: The CTD SV is primarily due to the following: • On October 23, 2017 the External Expert Review of the Low-Activity Waste Pretreatment System (LAWPS) Project document was released, which endorsed an optimized LAWPS facility that would vary significantly from the previous LAWPS design. Following the External Expert Review, on November 16, 2017 WRPS received Letter 17-TF-0096 - CONTRACT NUMBER DE-AC27-08RV14800 - Direction to Suspend Selected Low Activity Waste Pretreatment System Design and Testing Activities, providing formal direction from the U.S. Department of Energy, Office of River Protection (DOE-ORP) to de-scope items associated with the previous LAWPS design. As a result, on November 29, 2017, WRPS terminated the subcontract previously established for Seismic Testing of the LAWPS Jumper Connectors, -$216k. This scope will reside in the project's PMB until a BCR is implemented to remove the associated remaining BCWS. Until then, unfavorable schedule variances will continue to be realized. • In addition, the CD-3A design package review and approval activity and IQRPE planning work has also been placed on hold as part of the replan, -$161k. Impact: The project team is in the planning stages of an optimized LAWPS design. It is anticipated that the current remaining baseline activities will be replaced by a revised plan in support of an optimized LAWPS design. In the interim, schedule variances will continue to be realized as the Stop Work remains in effect. Corrective Action: No corrective actions planned. 5.5.6.2.1 P - LAWPS – Design Safety Analysis -$314k Cause: The CTD SV is due to Flammable Gas Hazard Analysis of LAWPS Piping and Vessels. The Procurement process experienced a delay in the award of the subcontract due to clarifying scope with the subcontractor prior to award. In addition, the initial analysis was performed with assumed gas volumes and max postulated pressures which provided overly conservative results. WRPS then calculated actual pressures and gas volumes and requested a re-run of the analysis, -$276k. Impact: There is no impact to any activities outside of this account. It is anticipated that this work will be returned to Undistributed Budget on a BCR in January 2018. Corrective Action: No corrective actions planned. December 2017 77

  75. LAWPS CTD Variances Schedule 5.5.7.1.2 P - LAWPS – Tech Mature. Integrated Scale Test -$364k Cause: The CTD SV is primarily due to the following: • Commencement of the revised Gas Retention and Release Testing was initially delayed due to availability of vendor (PNNL) resources. Although testing has now started, the vendor is experiencing longer than anticipated durations due to the late start and continuing resource limitations (-$125k). • AECOM CFF foulant testing activities have been placed on hold pending formal direction from DOE regarding the LAWPS re-scoping effort. This activity will contribute to the negative SV in this account until this work scope is removed from the baseline (-$218k). Impact: The PNNL and AECOM testing schedules do not currently have any CTD schedule impacts as the LAWPS design is progressing with preliminary data received from test results. Corrective Action: WRPS management will meet with the A/E responsible for the Preliminary Design to assess testing impacts from the GRS/Vented IX Column and other design changes. Once the impacts are determined, the project team will determine whether it is necessary to accelerate / recover schedule for the testing. December 2017 78

  76. LAWPS CTD Variances Schedule 5.5.8.2.1 P - LAWPS – Design System Integration -$2,137k Cause: On October 23, 2017 the External Expert Review of the Low-Activity Waste Pretreatment System (LAWPS) Project document was released, which endorsed an optimized LAWPS facility that would vary significantly from the previous LAWPS design. Following the External Expert Review, on November 16, 2017 WRPS received Letter 17-TF-0096 - CONTRACT NUMBER DE-AC27-08RV14800 - Direction to Suspend Selected Low Activity Waste Pretreatment System Design and Testing Activities, providing formal direction from the U.S. Department of Energy, Office of River Protection (DOE-ORP) to de-scope items associated with the previous LAWPS design. As a result, on November 20, 2017, WRPS issued a Stop Work Order to the Architect Engineer (A/E), requesting that they cease further progress of the previous design. The current delay being experienced in this account is a direct result of the stop work; however, prior to the issuance of the stop work order the following drivers had contributed to the previous cumulative schedule variance, which are described below: • Delayed Process Engineering's progress of the Failure Mode and Effects Analysis (FMEA), Control and Alarm Set Point List, Design Basis Document, and two over one evaluations. Completion of the FMEA and the Control & Alarm Set Point lists have been re-sequenced in the current schedule to allow for the completion of supporting documents which include the early publish of revision 2 P&IDs and HAZOP completion. Additionally, delayed progress of the development of the two over one evaluations are a result of additional time required to resolve issues with the seismic criteria of the facility and equipment. • Update to the current execution strategy by Instrumentation and Controls Engineering re-sequences the development and completion of the input/output (I/O) Lists, Instrument Lists, Set Point Calculations, Instrument Uncertainty Analysis, and Control Logic Narratives to occur subsequent to the final publish of the revision 2 P&IDs, which is currently scheduled for early fiscal December. While the re-sequencing contributes to the overall CTD SV, the revised logic avoids the potential for future rework caused by differences between the P&IDs and design documents. • The extended effort around the Pipe Engineering's development of the Hydraulic Transient Analysis, which is due to unforeseen additional effort related to scope growth and coordination meetings. Preparation of the associated calculations was planned for completion in latter part of fiscal August, per the current schedule, these tasks will now complete in fiscal November. The additional effort has slowed the progress of the calculations and contributes to the CTD SV. • Delayed progress of the A/E review of the P&IDs and PFDs. This delay is a result of the A/E's upfront extended effort to perform a more rigorous than planned review of the P&IDs, in order to optimize the approach to the upcoming Inter-Disciplinary Review (IDR) of the process calculations and P&IDs. Impact: The project team is in the planning stages of an optimized LAWPS design. It is anticipated that the current remaining baseline activities will be replaced by a revised plan in support of an optimized LAWPS design. In the interim, schedule variances will continue to be realized as the Stop Work remains in effect. Corrective Action: The project team is developing a revised plan in support of an optimized LAWPS design. As the delays associated with the previous LAWPS design do not impact the execution of the optimized LAWPS, the project intends to re-baseline the LAWPS schedule, which will include setting all cumulative BCWS equal to cumulative BCWP and holistically re-planning the remaining activities. The target date for implementation of the revised plan is February 16, 2018, which will allow for the plan to be finalized in January and subsequently reviewed, approved, and implemented in fiscal February via a baseline change request (BCR). December 2017 79

  77. LAWPS CTD Variances Schedule 5.5.8.2.3 P - LAWPS – Design Primary Pretreatment System -$316k Cause: On October 23, 2017 the External Expert Review of the Low-Activity Waste Pretreatment System (LAWPS) Project document was released, which endorsed an optimized LAWPS facility that would vary significantly from the previous LAWPS design. Following the External Expert Review, on November 16, 2017 WRPS received Letter 17-TF-0096 - CONTRACT NUMBER DE-AC27-08RV14800 - Direction to Suspend Selected Low Activity Waste Pretreatment System Design and Testing Activities, providing formal direction from the U.S. Department of Energy, Office of River Protection (DOE-ORP) to de-scope items associated with the previous LAWPS design. As a result, on November 20, 2017, WRPS issued a Stop Work Order to the Architect Engineer (A/E), requesting that they cease further progress of the previous design. The current delay being experienced in this account is a direct result of the stop work. Impact: The project team is in the planning stages of an optimized LAWPS design. It is anticipated that the current remaining baseline activities will be replaced by a revised plan in support of an optimized LAWPS design. In the interim, schedule variances will continue to be realized as the Stop Work remains in effect. Corrective Action: The project team is developing a revised plan in support of an optimized LAWPS design. As the delays associated with the previous LAWPS design do not impact the execution of the optimized LAWPS, the project intends to re-baseline the LAWPS schedule, which will include setting all cumulative BCWS equal to cumulative BCWP and holistically re-planning the remaining activities. The target date for implementation of the revised plan is February 16, 2018, which will allow for the plan to be finalized in January and subsequently reviewed, approved, and implemented in fiscal February via a baseline change request (BCR). December 2017 80

  78. LAWPS CTD Variances Schedule 5.5.8.2.6 P - LAWPS - Design Balance of Plant System -$1,075k Cause: On October 23, 2017 the External Expert Review of the Low-Activity Waste Pretreatment System (LAWPS) Project document was released, which endorsed an optimized LAWPS facility that would vary significantly from the previous LAWPS design. Following the External Expert Review, on November 16, 2017 WRPS received Letter 17-TF-0096 - CONTRACT NUMBER DE-AC27-08RV14800 - Direction to Suspend Selected Low Activity Waste Pretreatment System Design and Testing Activities, providing formal direction from the U.S. Department of Energy, Office of River Protection (DOE-ORP) to de-scope items associated with the previous LAWPS design. As a result, on November 20, 2017, WRPS issued a Stop Work Order to the Architect Engineer (A/E), requesting that they cease further progress of the previous design. The current delay being experienced in this account is a direct result of the stop work; however, prior to the issuance of the stop work order the following drivers had contributed to the previous cumulative schedule variance, which are described below: • In June of fiscal year 2017, an imminent change to the current design was recognized based on results of the project's integrated testing. The Integrated Project Team made the decision that the current design related to the Gas Removal System (GRS) would be replaced with Vented Ion Exchange Columns (VIXC) and additionally incorporate other essential changes required for 90% design completion. Following this decision, the project team identified urgent tasks to be performed in support of the design changes and implemented the associated scope, schedule, and budget into the PMB via BCR RPP-17-159 - LAWPS Implementation of Stage 1 GRS to Vented IX Design. Amongst these urgent tasks was the effort to revise the Balance of Plant (BOP) 3D model, which allowed the A/E to commence work while the balance of the revised execution strategy was developed. As the execution strategy matured it was evident that revisions to the BOP 3D model would require additional effort. This revised strategy has now been fully implemented via BCR RPP-17-171 - LAWPS GRS to VIXC and Essential Changes for 90% (Phase 2) and the current schedule now reflects the appropriate durations and inputs required to complete the extended effort to revise the BOP 3D Model. • Delays to Electrical Engineering drawings as a result of the incorporation of changes from the revision 2a P&IDs. The P&IDs drive the Input/output (I/O) lists, which are required to complete the wiring diagrams and schematics • The preparation of the Safety Integrity Level (SIL) Calculations, and Failure Mode and Effects Analysis (FMEA) were re-sequenced in the current schedule to incorporate impacts for revision 8 of specification 58553 and to include updates associated with the afore mention revised execution strategy Impact : The project team is in the planning stages of an optimized LAWPS design. It is anticipated that the current remaining baseline activities will be replaced by a revised plan in support of an optimized LAWPS design. In the interim, schedule variances will continue to be realized as the Stop Work remains in effect. Corrective Action: There is no corrective action as a result of the CTD SV as there is no impact to key deliverable dates. Execution of the current schedule will facilitate CD 2/3 package delivery as planned. December 2017 81

  79. LAWPS CTD Variances Schedule 5.5.8.2.7 P - LAWPS - Design Facilities System -$1,708k Cause: On October 23, 2017 the External Expert Review of the Low-Activity Waste Pretreatment System (LAWPS) Project document was released, which endorsed an optimized LAWPS facility that would vary significantly from the previous LAWPS design. Following the External Expert Review, on November 16, 2017 WRPS received Letter 17-TF-0096 - CONTRACT NUMBER DE-AC27-08RV14800 - Direction to Suspend Selected Low Activity Waste Pretreatment System Design and Testing Activities, providing formal direction from the U.S. Department of Energy, Office of River Protection (DOE-ORP) to de-scope items associated with the previous LAWPS design. As a result, on November 20, 2017, WRPS issued a Stop Work Order to the Architect Engineer (A/E), requesting that they cease further progress of the previous design. The current delay being experienced in this account is a direct result of the stop work; however, prior to the issuance of the stop work order the following drivers had contributed to the previous cumulative schedule variance, which are described below: • Activities supporting the Earth Retaining System (ERS) were placed on hold as intermediate design changes are vetted to avoid unnecessary rework around the ERS. In the interim, the associated delay contributes to the CTD SV. • Structural Engineering's effort to prepare calculations for Ventilation Stack, Backup Exhauster, De-ionized Water Foundations, and Reagent Tank Access Platform has been extended. The extended duration of these tasks is attributed to waiting for building layout to be finalized, resource availability, and necessary design inputs. The extended duration has delayed the start of downstream checking and review activities as well as related drawings, which all contribute to the CTD SV. • In June of fiscal year 2017, an imminent change to the current design was recognized based on results of the project's integrated testing. The Integrated Project Team made the decision that the current design related to the Gas Removal System (GRS) would be replaced with Vented Ion Exchange Columns (VIXC) and additionally incorporate other essential changes required for 90% design completion. Following this decision, the project team identified urgent tasks to be performed in support of the design changes and implemented the associated scope, schedule, and budget into the PMB via BCR RPP-17-159 - LAWPS Implementation of Stage 1 GRS to Vented IX Design. Amongst these urgent tasks was the effort to prepare the Facilities Balance of Plant (BOP) and Primary Pretreatment System (PPS) 3D model, which allowed the A/E to commence work while the balance of the revised execution strategy was developed. As the execution strategy matured it was evident that the effort to revise the BOP and PPS 3D model would require additional time. This revised strategy has now been fully implemented via BCR RPP- 17-171 - LAWPS GRS to VIXC and Essential Changes for 90% (Phase 2) and the current schedule now reflects the appropriate durations and inputs required to complete the extended effort to revise the BOP and PPS 3D Model. • Changes to the execution strategy of the weather enclosure, design vault, and miscellaneous steel activities are a result of the incorporation of the A/E's structural subcontractor scope responsible for the Soil-Structure Interaction (SSI) initial model run and corresponding data extract. The receipt of the data was worked into the current schedule, which resulted in delays to downstream activities related to Weather Enclosure Calculations, Lag Storage Calculations/Drawings, and Design Vault Calculations. Impact: The project team is in the planning stages of an optimized LAWPS design. It is anticipated that the current remaining baseline activities will be replaced by a revised plan in support of an optimized LAWPS design. In the interim, schedule variances will continue to be realized as the Stop Work remains in effect. Corrective Action: The project team is developing a revised plan in support of an optimized LAWPS design. As the delays associated with the previous LAWPS design do not impact the execution of the optimized LAWPS, the project intends to re-baseline the LAWPS schedule, which will include setting all cumulative BCWS equal to cumulative BCWP and holistically re-planning the remaining activities. The target date for implementation of the revised plan is February 16, 2018, which will allow for the plan to be finalized in January and subsequently reviewed, approved, and implemented in fiscal February via a baseline change request (BCR). December 2017 82

  80. LAWPS CTD Variances Schedule 5.5.8.2.8 P - LAWPS – Design Project Management & Support -$849k Cause: On October 23, 2017 the External Expert Review of the Low-Activity Waste Pretreatment System (LAWPS) Project document was released, which endorsed an optimized LAWPS facility that would vary significantly from the previous LAWPS design. Following the External Expert Review, on November 16, 2017 WRPS received Letter 17-TF-0096 - CONTRACT NUMBER DE-AC27-08RV14800 - Direction to Suspend Selected Low Activity Waste Pretreatment System Design and Testing Activities, providing formal direction from the U.S. Department of Energy, Office of River Protection (DOE-ORP) to de-scope items associated with the previous LAWPS design. As a result, on November 20, 2017, WRPS issued a Stop Work Order to the Architect Engineer (A/E), requesting that they cease further progress of the previous design. The current delay being experienced in this account is a direct result of the stop work. Impact: The project team is in the planning stages of an optimized LAWPS design. It is anticipated that the current remaining baseline activities will be replaced by a revised plan in support of an optimized LAWPS design. In the interim, schedule variances will continue to be realized as the Stop Work remains in effect. Corrective Action: The project team is developing a revised plan in support of an optimized LAWPS design. As the delays associated with the previous LAWPS design do not impact the execution of the optimized LAWPS, the project intends to re-baseline the LAWPS schedule, which will include setting all cumulative BCWS equal to cumulative BCWP and holistically re-planning the remaining activities. The target date for implementation of the revised plan is February 16, 2018, which will allow for the plan to be finalized in January and subsequently reviewed, approved, and implemented in fiscal February via a baseline change request (BCR). 5.5.8.2.9 P - LAWPS - Build to Print -$590k Cause: The project team is developing a revised plan in support of an optimized LAWPS design. As the delays associated with the previous LAWPS design do not impact the execution of the optimized LAWPS, the project intends to re-baseline the LAWPS schedule, which will include setting all cumulative BCWS equal to cumulative BCWP and holistically re-planning the remaining activities. The target date for implementation of the revised plan is February 16, 2018, which will allow for the plan to be finalized in January and subsequently reviewed, approved, and implemented in fiscal February via a baseline change request (BCR). • The majority of Build to Print (BTP) work scope was put on hold while the re-plan associated with the change from the Gas Removal System (GRS) to the Vented Ion Exchange (VIXC) was planned and implemented. The current BTP plan needed to be re-worked to allow for incorporation of the associated changes and other imminent design changes. As a result, progress was limited on the activities identified as being affected by the changes. Impact: The project team is in the planning stages of an optimized LAWPS design. It is anticipated that the current remaining baseline activities will be replaced by a revised plan in support of an optimized LAWPS design. In the interim, schedule variances will continue to be realized as the Stop Work remains in effect. Corrective Action: The project team is developing a revised plan in support of an optimized LAWPS design. As the delays associated with the previous LAWPS design do not impact the execution of the optimized LAWPS, the project intends to re-baseline the LAWPS schedule, which will include setting all cumulative BCWS equal to cumulative BCWP and holistically re-planning the remaining activities. The target date for implementation of the revised plan is February 16, 2018, which will allow for the plan to be finalized in January and subsequently reviewed, approved, and implemented in fiscal February via a baseline change request (BCR). December 2017 83

  81. LAWPS CTD Variances Schedule 5.5.8.2.7 P - LAWPS – Long Lead Procurements Design -$373k Cause: The CTD SV is primarily due to delays associated with the vendor submittal of the 90% Xomox valve design review package, -$400k. This task has been delayed as a result of the unplanned effort for the vendor to assemble and internally review the package prior to its submission to WRPS. This represents a 3 week delay in the current schedule and as this subcontract was planned to support a milestone payment schedule, all associated BCWP will be earned upon receipt of the submittal. Impact: There is no to critical downstream activities as a result of this delay. Corrective Action: No corrective actions planned. December 2017 84

  82. LAWPS CTD Variances Cost 5.5.3.2.1 P - LAWPS - Design Project Management (PM) -$600k Cause: The CTD CV is primarily due to: • Labor rates. The actual average hourly rates experienced for all labor resources exceeds the hourly rate used for planning/estimating the work scope by approximately $10/hr, -$456k. • Labor usage. The actual hours experienced to date are greater than the realized calendar hours used to plan/estimate the work. These resources have not taken paid time off consistent with the planned allocation allowance used to calculate the annual realized hours (actual hours experienced are 1,371 hours greater than planned), -$103k. Impact: There is no impact to any other activities or accounts outside of this account. Corrective Action: No corrective actions planned. 5.5.4.2.1 P - LAWPS - Design - Project Support (PS) -$2,769k Cause: The CTD CV is primarily due to: • Labor usage. Additional resources have been retained to increase the quality and completeness of the preliminary design as the project progresses towards construction. In addition, the personnel performing the work are senior level individuals and were assigned to the project based on their experience and knowledge. These resources have not taken paid time off consistent with the planned allowance used to calculate the annual realized hours. The number of actual hours experienced is greater than the hours utilized for planning the work scope by approximately 14,874 hours, -$1,628k. • Labor rates. The actual average hourly rates experienced for all labor resources exceeds the hourly rate used for planning/estimating the work scope by approximately $6/hr, -$631k. Impact: There is no impact to any other activities outside of this account. Corrective Action: No corrective action is planned at this time. 5.5.5.1.1 E - LAWPS – Design Safety Analysis -$314k Cause: The CTD CV is primarily due to: • The Procurement process experienced a delay in the award of the subcontract due to clarifying scope with the subcontractor prior to award. In addition, the initial analysis was performed with assumed gas volumes and max postulated pressures which provided overly conservative results. WRPS then calculated actual pressures and gas volumes and requested a re-run of the analysis, -$153k • Labor rates. The actual average hourly rates experienced for all labor resources exceeds the hourly rate used for planning/estimating the work scope by approximately $15/hr, -$182k. • Labor usage. The CTD CV is partially offset by labor and Staff Aug resource usage to support performance of Safety Analysis activities. Initially, Staff Aug resources were planned to perform a significant portion of the safety activities. However, it was subsequently determined that the direct safety labor resources, with historical knowledge and experience of the project, would perform these activities $83k. Impact: There is no impact to any activities outside of this account. Corrective Action: No corrective actions planned. December 2017 85

  83. LAWPS CTD Variances Cost 5.5.7.1.1 P - LAWPS - Tech Maturation Program & Misc Tests $334k Cause: The CTD CV is primarily due to the following: • To date, the engineering support required to oversee performance of subcontracted national laboratory support has been less than planned. The national laboratories (SRNL and PNNL) have extensive historical knowledge and experience with the subcontracted work scope and the WRPS Technology Maturation personnel, which allows them to perform the work scope efficiently with reduced oversight, $142k. • In comparison to the original plan for the sRF-3 testing and the final subcontract award, the engineering design was further developed and refined. This resulted in some experienced efficiencies during the testing phase, $183k. There is no change to the variance drivers from the prior reporting period. Impact: There is no impact to any other activities outside of this account. Corrective Action: No corrective actions planned. The variance is favorable and does not require any corrective actions at this time. 5.5.7.1.2 P - LAWPS - Tech Mature. Integrated Scale Test $442k Cause: The CTD CV is primarily due to the following: • The account is experiencing labor price/usage efficiencies. Originally, staffing levels were assumed and planned at a higher level to provide oversight and support to the Integrated Engineering-Scale test. Project Manager and Project Controls support were planned under this account. However, this support has been provided by resources already assigned to the project under the Project Management account. Also, the actual hourly rate experienced in this account for engineering support/oversight is less than the planning rate by approximately $16/Hr, $757k • The actual cost for resin procurements was significantly less than planned. Originally, resin was planned to be procured in two batches. The quantity of required resin required was reduced to 500 gallons based on the refined needs of the project, $490k. • National Laboratory Technology Maturation program testing and oversight has experienced a negative cost variance that was driven by revisions to the test plan. The biggest impact was caused by a change in the design to eliminate the Hydrogen Diffusion Design Feature (HDDF) and provide a standby, on demand, vessel ventilation for flammable gas mitigation, -$878k. • Additional labor and material costs incurred at both the Full-Scale and the Integrated Test Facility during checkout and commissioning were driven by unplanned modifications to the column designs, re-assembly, and leak-testing before the initial tests could be re-started. The costs also include tank nozzle modifications and hotel costs for the PM and Operators at the Integrated Test Facility. In addition, the cost for the 1/9 Scale Integrated test planned equipment is greater than estimated. Procurement of unplanned equipment was required to support the test program and associated unplanned fabrication/installation labor costs have been experienced. Impact: The cumulative CV is unrecoverable and has been factored into the EAC. Corrective Action: No corrective actions planned. December 2017 86

  84. LAWPS CTD Variances Cost 5.5.8.2.3 P - LAWPS - Design Primary Pretreat System -1,552k Cause: The CTD CV is primarily due to the following: • To date the modeling effort required more resources than planned. This is attributed to the extensive comment incorporation from the 30% design reviews as well as the preparation of story boards and a model fly through, which was unplanned. The model was matured to higher level of detail than planned and prepared to be free from clashes, in support of the accelerated 60% design requirements. Additionally, options for above grade maintenance access for the lag storage tanks and pipe routing changes around the Lag Storage area were required to satisfy facility construction requirements. • Studies/Calculations variance is due to pipe stress and process engineering requiring more effort because of the inefficiencies associated with concurrent development of P&IDs, mechanical design, and piping design. Further variance in pipe stress was caused by the effort required to develop pipe stress design basis criteria for safety related systems (including seismic requirements and PUREX nozzle qualifications including TFC-ENG-DESIGN-C-60 requirements). Additional hours were spent developing a rationale presentation to WRPS for design justification for backpressure requirements for the filtration calculations, which was not included in the original estimate. The lag storage calcs required additional effort beyond what was estimated due to specification changes that were made after completion of advanced conceptual design. Process equipment calculations for mechanical design and piping were inefficient due to multiple iterations required to complete the 30% Delta Design Review package. • The Ion Exchange (IX) and Cross-Flow Filter (CFF) packages required additional hours to advance beyond what was planned. Drawing activities were performed to support the 30% delta review packages and the completion of the long lead procurement packages that are required to meet the September 2016 PBI milestone. Additional unplanned hours to perform these activities were incurred to ensure the milestone date would be met. In addition, a greater than planned effort was required to provide the drawings necessary to present the high level of detail that is going to be included in the 60% package (300+ mechanical drawings). Additional resources were required to ensure the 60% part A completion date was achieved and IDR comments had to be addressed as they were received rather than on complete closure of the IDR cycle. Impact: On November 16, 2017 WRPS received Letter 17-TF-0096 - CONTRACT NUMBER DE-AC27-08RV14800 - Direction to Suspend Selected Low Activity Waste Pretreatment System Design and Testing Activities, providing formal direction from the U.S. Department of Energy, Office of River Protection (DOE-ORP) to de-scope items associated with the current LAWPS design. As a result, on November 20, 2017, WRPS issued a Stop Work Order to the Architect Engineer (A/E), requesting that they cease further progress of the current design. This account will not be impacted by further charges. Corrective Action: The variance is not recoverable and is reflected in the EAC. December 2017 87

  85. LAWPS CTD Variances Cost 5.5.8.2.6 P - LAWPS – Design Balance of Plant System -$1,637k Cause: The CTD CV is primarily due to the following: • Electrical specification, drawing, and modeling efforts have been accelerated to support the project schedule. The effort for specification development has been impacted by the iterative process required on the procurement and quality sections of the specifications. Additional unplanned effort to complete electrical drawings has been realized as a result of new design requirements and the need for more design drawings. Additionally, the Electrical Engineering effort for the Hazardous Area Classification required more effort than planned to address review comments and different base assumptions. • On October 23, 2017 the External Expert Review of the Low-Activity Waste Pretreatment System (LAWPS) Project document was released, which endorsed an optimized LAWPS facility that would vary significantly from the current LAWPS design. As a result, progress on the current design was slowed and on November 20, 2017 a Stop Work Order was issued to the Architect Engineer directing them to cease work on all current design in accordance with Letter 17-TF-0096 – CONTRACT NUMBER DE-AC27-08RV14800 – Direction to Suspend Selected Low Activity Waste Pretreatment System Design and Testing Activities, received from U.S. Department of Energy, Office of River Protection (DOE-ORP) on November 16, 2017. The majority of the inefficiencies in the current period were due to the slowdown of design activity, and the A/E not being able to ramp down staff as quickly as the work slowed. This was due to both WRPS and the A/E knowing the stop work was forthcoming, but officially not received until later in the month. WRPS worked with ORP and the A/E to stop the work as quickly as possible, it was a detailed process and significant considerations needed to be worked through. This took some time to ensure it was communicated appropriately, thus the costs continued until the official notice was delivered. • The BOP Controls Specs, Control System Spec, Safety System Spec, and developing the CSI spec format and requirements have been impacted by the redefinition of the quality requirements. This change in formatting has caused unplanned specification rework to meet the new format requirements. • Development of the SIL/FMEA calculations contributes to the unfavorable cost variance. Several activities have required effort beyond what was initially planned because more complex analysis has been required. In addition, higher costs have been realized due to additional resource ramping up and increased effort to perform the work. The original estimate was for 6 Safety Integration Functions (SIFs), and through the development of the design, there are now 19 SIFs that are factored into the calculations requiring more time and effort to complete. • Control drawings have been revised multiple times and continue to be updated. Control cabinet and room layouts have been revised to address additional space requirements for elevated I/O counts. Impact: No further impact is expected since the stop work order has been issued. Corrective Action: No corrective action planned. As mentioned above, a Stop Work Order was issued to the A/E on November 20, 2017, stopping all further charges to this control account. The project team is now developing a revised plan in support of the optimized LAWPS design, which is targeted for implementation by the end of fiscal January 2018. December 2017 88

  86. LAWPS CTD Variances Cost 5.5.8.2.7 P - LAWPS - Design Facilities System -$3,252k Cause: The CTD CV is due to: • Weather Enclosure Structural calculations and seismic analysis (SSI) activities performed by subcontractor SGH, Vault Concrete calculations, Vault Steel calculations, and Cell Cover calculations started late due to contract negotiations that resulted in cost and schedule impacts caused by the tightly compressed schedule. The subcontract award to SGH was significantly higher than the A/E baseline estimate for the work scope. Additionally, vault steel, vault cover, and vault concrete calculations all went through multiple iterations as equipment arrangements matured and ensure alignment with the concrete substructure. • Additional effort for Architectural drawings has been required due the significant coordination required with the other engineering disciplines and with SGH, as their designs have matured and changes are needed to the architectural model and drawings. • Architectural specifications for the Weather Enclosure involved a larger number of specs than originally anticipated and the Change Facility experienced significant changes due to requests made during the WRPS design reviews to accommodate operational and radiation protection needs. • 3D modeling activities went through a number of iterations in order to synchronize the SGH model with the A/E structural vault model and the integrated A/E Smart Plant model. • Additional effort for Structural drawings has been required due to the need to align the initial vault designs with the SGH design of the upper weather enclosure structures and to perform the weather enclosure structure drawings. Impact: On November 16, 2017 WRPS received Letter 17-TF-0096 - CONTRACT NUMBER DE-AC27-08RV14800 - Direction to Suspend Selected Low Activity Waste Pretreatment System Design and Testing Activities, providing formal direction from the U.S. Department of Energy, Office of River Protection (DOE-ORP) to de-scope items associated with the current LAWPS design. As a result, on November 20, 2017, WRPS issued a Stop Work Order to the Architect Engineer (A/E), requesting that they cease further progress of the current design. This account will not be impacted by further charges. Corrective Action: The variance is not recoverable and is reflected in the EAC. 5.5.8.2.8 P – LAWPS – Design Project Management & Support -$293k Cause: The CTD CV is primarily due to the effort for the Architect Engineer (A/E) to deliver all completed and partially completed work products following the stop work order issued to the A/E on November 20, 2017. The stop work order followed Letter 17-TF-0096 – CONTRACT NUMBER DE-AC27-08RV14800 – Direction to Suspend Selected Low Activity Waste Pretreatment System Design and Testing Activities, received from the U.S. Department of Energy, Office of River Protection (DOE-ORP) on November 16, 2017. The effort to deliver all completed and partially completed work products, is unbudgeted and therefore all associated cost contributes to the current month’s unfavorable variance, -$823k. This variance is somewhat offset by a favorable variance achieved in the A/E's Project Management and Support of the previous LAWPS design where their management and project support functions were able to effectively engage their teams utilizing less resources than planned, $327k. The unfavorable variance is additionally offset by the more recent effort to support planning and setup associated with an optimized LAWPS design, $203k. This can be attributed to the A/E’s ability to support this effort with limited resources. Impact: The control account is forecasted to be overspent; however, costs associated with the effort to deliver all completed or partially completed work products is to be included in Contract Change Proposal 18-007 and the budgeted value of the control account will ultimately be increased by the value negotiated for this effort. Corrective Action: As part of the Letter 17-TF-0096, WRPS was requested to provide a contract change proposal. The effort to develop contract change proposal 18- 007 is underway and is currently due by March 02, 2018. The effort associated with the delivery of all completed or partially completed work products is to be captured in this proposal and later negotiated. December 2017 89

  87. LAWPS Challenges/Issues/Opportunities Challenges • Integration of LAWPS with TSCR, storage pads and AP Farm Upgrades work scope and permitting. Issues • WDOE continues to desire that the HVAC system be included in the RCRA Permit and tank vapor abatement be deployed which could lead to significant design changes. Opportunities • Inclusion of concrete work in the CD-3A Package. December 2017 90

  88. LAWPS Contract Changes / BCR Log Contract Changes / NTE Status Assigned Target Estimated Impact Contract Changes Tech Lead Current Status Date Completion ($M) • RPP-17-171 implemented the scope of the proposal into the DOE-EM Review baseline in September 2017. 18-Sep-17 C. Burke TBD $0.2M • CP-17-033 NTE increased from 200k to 270k via e-mail from Contracting Officer dated 10/05/17. • Actual costs and NTE value from CP-17-008 and CP-17-031 have been moved to this proposal per ORP. • RPP-18-030 implemented one month of budget to cover A/E LAWPS RFP efforts for planning & project setup. 11-Nov-17 C. Burke TBD $19.0M • CP-18-007 RPP-18-045 implemented to add another month of budget to cover A/E efforts for planning & project setup. • RPP-18-061 to be implemented to add budget for WRPS labor support, A/E near-term design tasks, and site civil survey. BCR Status BCR#/Description Level CAM Target Completion Estimated Impact Current Status RPP-18-030: Optimized LAWPS Project BCR processed and 3 Tom Sackett October 2017 $303k Planning and Concept Development implemented for October (Phase 1) reporting. BCR to processed and Jeff Filip RPP-18-045: Optimized LAWPS Project 3 November 2017 -$8,997k implemented for December Tom Sackett Re-planning (Phase 2) reporting. BCR to be processed/approved in Jeff Filip RPP-18-061: Optimized LAWPS Project 2 January 2017 $7,421k January and to be Tom Sackett Re-planning (Phase 3) implemented for February reporting. December 2017 91

  89. Chief Technology Office & Closure December 2017 LAWPS Engineering-Scale Alternate Retrieval End Effector Integrated Test Platform Fabrication Testing ILAW Glass Samples DFLAW Radioactive Waste Test Platform

  90. Chief Technology Office & Closure Overview December 2017 93

  91. Chief Technology Office & Closure Schedule Recovery Cumulative to Date SV Forecast December 2017 94

  92. Chief Technology Office & Closure Major Current Month Variances Cost Nothing to report. December 2017 95

  93. Chief Technology Office & Closure Major Current Month Variances Schedule 5.03.12.02.03 Liquid Secondary Waste Stream Tech Mat (DFLAW) -$124k • Cause : The CM SV is primarily due to the EMF Bottoms leachate testing was originally planned to perform to EPA standard 1313 (28 day duration). It was subsequently determined that additional testing needed to be performed to EPA standard 1315 (63 day duration) to obtain adequate, meaningful data. The testing to EPA standard 1315 will require additional analysis. Additionally, agreement as to the contracting method/procurement process for Los Alamos National Lab (LANL) (EMF glass and simulant testing work scope) and Savannah River National Lab (SRNL) (EMF Concentrate IX testing) has not been reached resulting in delays to the award of these subcontracts. • Impact: No impact to critical path or other control accounts. 5.02.01.04.10 Interim Barriers (TBD FARMS) -$122k • Cause : The CM SV is due to (1) not being able to proceed with the barrier 3 (TX Tank Farm Barrier) design as planned, because WRPS is awaiting a decision from DOE & Ecology on the size of the area of the TX Tank Farm to be covered. The baseline is for a barrier to cover 6 tanks, but discussions between DOE & Ecology could possibly increase the size to cover 18 tanks. Some of the design work is being done, but the majority of the design work cannot proceed until this information is received from DOE/Ecology, and (2) the SX Barrier Expansion design scope is being worked to a newly re-planned schedule. • Impact : (1) Work on the barrier 3 (TX Tank Farm) will be delayed until DOE & Ecology decides on the area to be covered. A decision is expected by JAN 31 18. (2) The CM negative SV for the SX Expansion design, is not impacting future scope or scope outside of this account. The work is being executed to a newly re-planned schedule, but still expected to finish on time, in fiscal month MAY 18. 5.03.12.02.04 Solid Secondary Waste Stream Tech Mat (DFLAW) -$120k • Cause : T he CM SV is primarily due to the agreement as to the contracting method/procurement process for Savannah River National Lab (SRNL) (Maturation and analysis of Waste forms for disposal of Secondary Solid Wastes generated by DFLAW) has not been reached resulting in delays to the award of these subcontracts. • Impact : No impact to critical path or other control accounts. December 2017 96

  94. Chief Technology Office & Closure Major Contract to Date Variances Cost 5.03.12.02.01 Technology Development $3,177k • Cause : The CTD CV is due to the following: 1) Labor usage efficiencies in FY 14. At the beginning of FY 14, a significant portion of scope was not authorized. As a result, labor resources were redirected to other project accounts. In Jun 14, the afore-mentioned scope was authorized and implemented into the baseline. However, the reinstatement of staff to the project was slower than expected due to completion of reassigned work. 2) SRNL actual costs under Inter Entity Work Order (IEWO) contracts were not processed through TOC financial systems, which resulted in a favorable cost variance. 3) Labor usage efficiencies experienced in FY 15 in the LOE account for Technology Development and Program Management. 4) PNNL subcontract labor usage and price efficiencies under the Low Temperature Waste Form account were realized in FY 15. This is a result of their historic knowledge and expertise of the work scope. • Impact : No impact to the project. The SRNL IEWO contracts (IEWO = BCWS, BCWP without ACWP) will cause a final favorable CTD variance. • Corrective Action : No corrective actions planned. This is a favorable variance. 5.02.04.02.03 - RCRA Closure Plan Updates $2,205k • Cause : The CTD CV is due to labor & subcontractor resource efficiencies. Internal subject matter experts were used, instead of additional subcontractor support, to develop the TPA Closure Plans (Tier 1, 2, & 3), WIR, and DOE 435.1 Closure Plan. Realignment of internal resources supporting multiple activities within the organization resulted in labor utilization efficiencies. Also, comments received from ORP required fewer document revisions than planned. multiple activities within the organization resulted in labor utilization efficiencies. Also, comments received from ORP required fewer document revisions than planned. • Impact : Using internal subject matter expert support has resulted in an overall cost savings for the TPA Tier 1, 2, and 3 Closure Plans, WIR development, and DOE 435.1 Closure Plan development. Cost efficiencies have been accounted for in the EAC. • Corrective Action : No corrective actions planned. This is a favorable variance. 5.03.06.01.04 IDF Glass Testing $1,945k • Cause : The CTD CV is primarily due to the following 1) Subcontract resources provided by Pacific Northwest National Lab (PNNL) experienced usage efficiencies due to their historical knowledge and expertise of the IDF Glass Testing Program, FYs 14 - 16, and FY 17. 2) WRPS labor resource usage in FY 14 was less than the planned baseline for oversight/management of the IDF Glass Testing Program. This efficiency is attributed to the labor resources and confidence in subcontractor's historical knowledge and expertise of the work scope, which required less oversight/management. • Impact : There is no impact to any other activities outside of this account. • Corrective Action : No corrective actions planned. This is a favorable variance. 5.03.12.02.02 Technology Maturation & Analysis $1,943k • Cause : The CTD CV is primarily due the following: 1) Labor usage efficiencies have been realized in the Technology Maturation & Analysis LOE account, as there has been less management oversight/support required than what was originally planned. This is primarily due to a senior project manager being moved to another project in mid-Fiscal Year (FY) 16, the attrition of project manager in mid-FY 17, and the attrition of a senior engineer mid-year FY 16. The responsibilities for the senior project manager and the senior engineer have been filled by existing resources. The other project manager position has been supported in the interim by another staff member also already on- board. 2) Resource usage efficiencies related to the subcontract support for external reviews and technical support in the Technology Maturation & Analysis LOE account. To date, there has been less subcontract support required than originally planned. • Impact : There is no impact to any other activities outside of this account. • Corrective Action : No corrective actions planned. This is a favorable variance. December 2017 97

  95. Chief Technology Office & Closure Major Contract to Date Variances Cost (cont.) 5.03.01.07.03 Waste Feed Delivery Technology $1,901k • Cause : The CTD CV is primarily due to the following: 1) FY 17 cost efficiencies realized in the preparation for Hanford Waste End Effector (HWEE) Testing, and Under Double- Shell Tank (DST) Non-Visual Inspection Effectiveness Testing. The definition phase of both projects was performed with significantly less resources than originally planned as the project team has been able to leverage existing data to its advantage for the Simulant and End Effector design. Additionally, PNNL and WRPS were able to effectively engage their team and contributing counterparts in preparing for both tests. 2) Subcontract technical support of emerging engineering studies, under WFD Technology Solutions. This is a level of effort activity and required less support than planned in FY 14 and FY 15. 3) The subcontract work performed by EnergySolutions for the Small- Scale Solids Delivery Testing, which started in FY 2014 and completed in the 4th quarter of FY 15, experienced cost efficiencies due to its labor pricing and usage being less than planned, FY 14 and FY 15. 4) Subcontract resource usage efficiencies realized in FY 16 in the WFD Technology Solutions account, which is attributed to less than planned external reviews and technical support. • Impact : There is no impact to any other activities outside of this account. • Corrective Action : No corrective actions planned. This is a favorable variance. 5.03.01.07.05 WFD System Performance $1,418k • Cause : The CTD CV is primarily due to labor usage and price efficiencies in subcontract resources and labor. 1) The subcontract work for the Isolok Reference Sampler Testing, which began in FY 14 and completed in the third quarter of FY 15, experienced efficiencies due to subcontractor labor rates and actual usage being less than originally assumed in the baseline. Also, less subcontract oversight was required due to the experience of the subcontracted resources. 2) Fewer labor resources were used than what was planned in support of the Feed Delivery Technical Issue Resolution in FY 2014. • Impact : There is no impact to any other activities outside of this account. • Corrective Action : No corrective actions planned. This is a favorable variance. 5.03.10.03.02 Secondary Waste Form Development $1,277k • Cause : The CTD CV is primarily due to resource usage and price efficiencies realized by the National Laboratories subcontracted to perform this scope. 1)The work being performed by SRNL in support of the Waste Form Development of Fresh Properties has experienced resource usage efficiencies in the work performed to date and the project expects that this trend will continue with their remaining work. The contract was awarded to SRNL for significantly less than what was originally estimated and to date, they have been able to execute the scope within the funds awarded and they do not expect to exceed this. 2) PNNL experienced resource usage and price efficiencies in FY 14. This is attributed to the fact that PNNL has worked extensively in the past on similar work scope and was able to engage efficiently to support this effort. 3) The National Labs (PNNL & SRNL) contracted to support Secondary Waste Form Development in FY 15 also experienced resource usage and price efficiencies, again due to the fact that the national labs have worked extensively in the past on similar work scope and were able to engage efficiently to support this effort. • Impact : No impact to the project. • Corrective Action : No corrective actions planned. This is a favorable variance. 5.02.04.01.01 Closure Program Management $1,015k • Cause : The CTD CV is primarily due to labor efficiencies. In prior fiscal years, this level of effort account experienced vacancies in technical personnel, both direct and staff aug positions. The scope outside of this account was designated as high priority. Resources planned under this account were diverted to support the higher priority work scope. • Impact : No impact to the project. • Corrective Action : No corrective actions planned. This is a favorable variance. December 2017 98

  96. Chief Technology Office & Closure Major Contract to Date Variances Schedule 5.02.01.04.01 Vadose Zone Mgmt & Regulatory Docs -$1,118k • Cause : The CTD SV is primarily due to delays in receiving Ecology's comments on the RFI and CMS documents. The RFI and CMS documents were submitted to Ecology in DEC 16, and comments were expected the week of FEB 15, 17. However, Ecology has not returned comments on these two documents. Ecology submitted a letter (17- NWP-058) to ORP on MAY 22, 17 requesting an extension for completing its review and final comments on WMA C documents (RCRA Closure Analysis of WMA C, PA of WMA C, Analysis of Past Tank Waste Leaks and Losses, and BRA for WMA C) by JUL 16, 17. Ecology has requested several extensions (via letter transmittals) to complete its review. The latest letter received in DEC 17 anticipates a completed review by JAN 16, 18. Until Ecology completes its review and comments of these documents, it can't start its review and comments of the RFI/CMS. Ecology will address the RFI/CMS documents after completion of WMA C document reviews. • Impact : The SV is expected to continue until comments are received from Ecology on the RFI and CMS documents. Despite the delays, WRPS will still be able to respond to the comments and update the reports in order to meet the TPA milestone (M-045-62: Submit Phase 2 Corrective Measures Implementation Work Plan for WMA C) by its due date. However, work on the CMIP cannot proceed as planned and was re-planned. A modification to the baseline activities was implemented under BCR RPP-17-134, which better aligned the CMIP activities with the official proposed Milestone finish date of AUG 31, 28 (17-TF-0046). • Corrective Action : No corrective actions planned. 5.02.04.02.07 Waste Mgt Area C Performance Assessment -$894k • Cause : The CTD SV is primarily due to (1) a delay in receiving comments from Ecology on WMA C documents - Past Leaks Analysis, Baseline Risk Assessment, RCRA Closure Analysis, and (2) a delay in initiating NRC review of the WMA C PA as planned/scheduled. This NRC review of the WMA C PA is linked to the NRC review of the WMA C WIR being done under WBS 5.2.4.2.3.2 (DOE 435.1 Closure Plans). The WIR was transmitted to DOE-HQ for review by the Office of General Council in JUL 17. The time required for review and approval by the Office of General Council at DOE-HQ to submit the WIR to NRC for review is expected to delay the start of the concurrent NRC review of the WMA C PA and WIR until the FEB to MAR 18 timeframe. • Impact : The delay in receiving comments back from Ecology on the following WMA C documents, Past Leaks Analysis, Baseline Risk Assessment, RCRA Closure Analysis, will delay completion of updates to these documents until sometime in FY18. The delay in the start of NRC review will push out completion of the concurrent PA review by the NRC into FY18 and will impact completion of updates to the WMA C PA in response to NRC review comments until, at the earliest time, the end of the last quarter of FY18. The delay in the start of the NRC review of the WMA C PA will have a similar impact in the NRC review for the WMA C WIR and updates planned in response to NRC review comments on the WIR (See 5.2.4.2.3.2 DOE 435.1 Closure Plans). • Corrective Action : No corrective actions planned. 5.02.04.02.03 RCRA Closure Plan Updates -$599k • Cause : The CTD SV has improved from NOV 17 to DEC 17; however, the CTD SV is still primarily due to delayed receipt of comments from ORP and Ecology on the TPA Closure Plans, and from ORP and DOE-EM on the WIR evaluation. • Impact : The delay will impact the completion of final drafts of the TPA Closure Plans and DOE 435.1 documents (WIR Evaluation and Closure Plans), which have been carried over from FY17 into FY18. • Corrective Action : A strategy is being developed to accelerate the final approval of the DOE O 435.1 documents (WIR Evaluation and Closure Plans). Discussions are on- going with Ecology on the path forward for the TPA Closure Plans. The CAM and project leads are aware of the delays and discussing this topic weekly. December 2017 99

  97. Chief Technology Office & Closure Major Contract to Date Variances Schedule (cont.) 5.03.12.02.04 Solid Secondary Waste Stream Tech Mat (DFLAW) -$526k • Cause : The CTD SV is primarily due to the Solid Secondary Waste (SSW) - phase 2 preparation and curing of the samples, and conducting the waste form tests 1 & 2, starting later than expected. Delays are due to limitations of subcontracted resources, and additional preparation of samples and cure times. • Impact : No impact to critical path or other control accounts. • Corrective Action : No corrective actions planned. The variance is expected to continue into the first quarter of FY 2018. 5.03.06.01.04 IDF Glass Testing -$416k • Cause : The CTD SV is primarily due to the Lysimeter facility upgrades. Transfer of the Field Lysimeter Test Facility (FLTF) and needed upgrades has delayed procuring equipment, preparing test materials and preparing the Lysimeter samples for insertion into the facility. It is anticipated that these activities will not start until the second quarter of FY 18. Upon completion of the upgrades to the facility, PNNL can perform the detailed test configuration definition and pretest modeling for the Lysimeter testing. • Impact : The transfer of the Field Lysimeter Test Facility (FLTF)from CH2MHILL to WRPS, and upgrading the facility is largely driving out the preparation of the Lysimeter for Waste Form Insertion and is expected to move out to the second quarter of FY 18. This will delay the start of testing to be done in FY 18; however, there is no current impact to critical downstream tasks as a result of this schedule variance. • Corrective Action : There is no corrective action for the CTD SV. The SV is expected to continue to the end of fiscal year 2018. 5.03.12.02.03 Liquid Secondary Waste Stream Tech Mat (DFLAW) -$335k • Cause : The CTD SV is primarily due to the EMF Bottoms leachate testing was originally planned to perform to EPA standard 1313 (28 day duration). It was subsequently determined that additional testing needed to be performed to EPA standard 1315 (63 day duration) to obtain adequate, meaningful data. The testing to EPA standard 1315 will require additional analysis. Additionally, agreement as to the contracting method/procurement process for Los Alamos National Lab (LANL) (EMF glass and simulant testing work scope) and Savannah River National Lab (SRNL) (EMF Concentrate IX testing) has not been reached resulting in delays to the award of these subcontracts. Impact : No impact to critical path or other control accounts. • Corrective Action : There is no corrective action for the CTD SV. The SV is expected to continue until the contract is let, the second quarter of fiscal year 2018. Currently evaluating National Labs to do the work, then contracting the lab to perform the scope as efficiently as possible. 5.02.04.02.08 Waste Mgt Area A/AX Perf Assessment -$330k • Cause : The CTD SV is primarily due to (1) activities X242-82WA1-11 and X242-82WA1-12 (Review by Ecology and update Residual Inventory & Soil Inventory Rev. 0 documents). These activities cannot proceed due to Ecology's priorities. Ecology was unable to review the data packages describing WMA A-AX Tank Residual Inventories and WMA A-AX Soil Inventory in FY17, so this scope carried over to FY18. The (FES) schedule was modified to shift the Ecology review into the early part of FY18, when Ecology’s schedule will allow for this review; (2) the STOMP transport model is not yet operating efficiently, which has caus ed a delay in both Y242-83A60-01 (Preliminary Analysis of Tank Residual Impacts - Develop inputs for base case) and Y242-83A52-01 (benchmarking the System Model). • Impact : The review, dispositioning and incorporation of Ecology comments into the Residual Inventory and Soil Inventory documents cannot be completed until after the Ecology review and receipt of their comments. The FY17 scheduled activities (X242-82WA1-11 and X242-82WA1-12), resolving comments and updating the documents, is expected to be completed by FEB 18. The delays with STOMP transport model development have caused a negative SV, but should be recovered by implementing the usage of eSTOMP (a different version of STOMP that runs more efficiently). • Corrective Action : Subcontractor has the new version of STOMP (eSTOMP) loaded on their system and will begin running tests to see how much more efficiently it will produce results. Once test is complete, then Intera and WRPS will proceed with benchmarking the System Model and performing Tank Residual Analyses. December 2017 100

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