Starting Soon Arts District Project Area WE ARE RECORDING WE HAVE - PowerPoint PPT Presentation

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Divisio sion n 20 Portal l Wi Widening ing and Turnba nback ck Faci cili lity ty One Sa Santa Fe Apa partments nts Reside dents nts Meetin ing August 20, 2020 2

Age gend nda • Portal Widening and Turnback Facility Overview Arts District Project Area • Project Schedule • Construction Look-ahead • Current Work • Utility Relocation 1 st Street Viaduct • • Nighttime Noise Variance • What has happened so far • Construction Mitigation • Reaching the Project Team • Questions

Metro Red and Purple le Li Lines: s: 140,0 ,000+ 00+ daily y passenger engers

Faster Red and Purple Line Service Arts District Project Area Faster ter and More Frequent uent Red and Purpl ple e Li Line Se Service ce

Pro roject ject Ove verview rview  Operational improvements Arts District Project Area to the Division 20 Rail Yard that aim to accommodate increased service levels on Tunnel Portal the Metro Red & Purple Storage Tracks Lines  Improvements include: • Widening of heavy rail portal • New turnback facility • Expansion and One Santa Fe Turnback reconfiguration of rail Facility storage tracks

Pro roject ject Timeline eline Arts District Project Area Environmental Pre- Construction Operations Planning Construction 2020-2023 2023 2017-2018 2018-2019 We are Here 7

Look-Ahe Ahead ad Sc Schedu dule le *Schedule is subject to change ACTIV IVITY ITY AUG SEP OCT NOV DEC JAN Arts District Project Area st St Bridg North th of 1 st dge Activity ty Start Date End Date Excavation Pre-Construction November 2018 Summer 2019 • Abatement and Demolition activities Grading • National Cold Storage • Viertel Central Division st St Bridge South th of 1 st Facility dge Construction Summer 2019 Fall 2023 Utility Relocation Work Bridge Modifications Removal and Installation of Tracks

Construction struction Look k Ahead ad *Work is subject to change 2020-2024 2020 2024  Construction of storage tracks  Construction of Portal Widening and Turnback Facility  1 st Street Bridge modifications  Sidewalk widening and Center Street Landscaping  Welding and storage of Purple Line rail

Construction struction Comin ming g So Soon *Work is subject to change  Potholing for utilities  Site surveying  1st Street Bridge modifications: partial demolition, milling work, and track removal  Utility Installation and Relocation of underground conduits, sewer and waterlines  Excavation of portal wall

Cur urrent rent Work rk  Potholi ling ng of Comme mercia ial Street: : Required to investigate the actual location of an existing waterline under the street  When: : August 17, 2020 to August 21, 2020  Where: : South side of Commercial Street east of Center St next to Metro’s Division 20 yard  Activitie ies includ ude: e: National Cold Storage Facility • Saw cutting, trench excavation, backfill and paving • The street will be restored after the potholing work is completed  Anticip ipate ted d work hours: s: • Monday through Friday • 7am to 5pm 11

Cur urrent rent Work rk  Track Remova val and Demoliti tion on Underne neath th the First Street Viaduct • Removal of the maintenance of way (MOW) tracks in the South Yard underneath the First Street Viaduct • Demolition of the smoke slab underneath the viaduct will happen in the near future • Work will continue through August and September National Cold Storage Facility First Street Viaduct looking south 12

What’s Happened So Far Utility bridge removed to allow the widening of the portal looking northeast 13

What’s Happened So Far Exploratory work on the First Street Viaduct deck looking east 17

Utility lity Re Relocation ocation Activ ivities ities *Work is subject to change  When: : Through Fall 2020 N  Where: : • Within the Division 20 Yard Work to begin just north of 1 st St Bridge and • continue south towards Metro’s Division 20 Parking Lot  Activitie ies includ ude: e: • Sawcutting, trench excavation, conduit installation, backfill and paving  Anticip ipated ted work hours: rs: • Monday through Friday • 7am to 4pm Utilit lity Reloc locat ation ion Work k Area ea

Ut Util ility ity Inst stallat allation ion *Work is subject to change  Contractor is removing an abandoned gas line to accommodate the widening of the train portal  The work occurred near the eastern, vacated part of Jackson Street (west of the portal) Photo was taken looking northeast 16

Re Request uest for r Nigh ghttime ttime Noise se Varia riance nce *Work is subject to change *Work is subject to change  Because the work is being performed in an active rail yard, the contractor must wait until after operating hours to perform certain work  Work k hours: urs: 9pm to 3am  An exemption will minimize construction impacts on the surrounding community by accelerating this work: • Directional boring • Installation of underground conduits and manhole structures • Cutovers to existing tracks and systems 17

Pro roposed osed Exten tended ded Work rk Ho Hour urs s *Work is subject to change  Extended d work hours s will: *Work is subject to change • Minimize overall duration of most significant construction impacts • Maximize efficiency • Night httime me Work : Overnight work within designated noise limits  Propos posed d extended work hours: s: May 2020 through December 2023 Metro Purple Line Extension crew • Monday ay through ugh Friday ay: 9pm to 7am the backfilling a trench at night with next day directed lighting • Friday ay: 9pm to 11:59pm • Saturda day: : 12am to 8am and 6pm to 11:59pm • Sunday ay: 12am to 11:59pm 18

Pro roposed osed Work rk *Work is subject to change  Pro roposed osed work rk: *Work is subject to change • Trenching • Directional boring • Installation of underground conduits and manhole structures • Grading • Pavement restoration • Soil testing and stockpiling • Hauling • Mobilization and demobilization of construction services 19

Construction struction Mi Mitiga gations tions  Best st pra racti ctices ces on the const struc ructio ion si site: • Equipment and staging areas shall be located away from noise-sensitive receivers • Minimize high impact devices such as jackhammers and hoe rams • Utilize lower impact devices such as concrete crushers and pavement saws • Refrain from idling of equipment 20

Construction struction Mi Mitiga gations tions  Noise barriers in the Division 20 yard  Constant watering keeps dust down Photos were taken looking south 21

Construction struction Mi Mitiga gations tions Reducing dust by frequent watering Installing sound blankets around equipment 22

Pro roject ject Websit bsite e – metro tro.net/ .net/divis division20 ion20 23

Ho How t w to Re Reac ach h Us  Call l us on the Proj ojec ect t Hotli line ne: : 21 213-922 922-69 6934 34  For project questions, concerns and complaints  Live during construction work hours  Monday through Friday, 7am-5pm  After 5pm: Leave a voicemail; staff with return call within 24 hours  Proje oject ct Email: l: purplelineext@metro.net Staff will reply within 24 hours  Stay Connec ecte ted  Construction notices posted online at metro.net/division20  Receive email project updates and construction notices 24