Commissioning of Pump Systems at East Bay Municipal Utility - - PowerPoint PPT Presentation
Commissioning of Pump Systems at East Bay Municipal Utility District March 20, 2019 Alex Borys, P.E., Cindy Wu, P.E., Besnik Miftari Nathan Gronlund, P.E., Sonya Spala, P.E. Agenda Introduction to EBMUD What is covered in the
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1.4 million Water Customers 685,000 Wastewater Customers
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Treatment System
Distribution System
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Develop pump specifications and test procedures/forms Inspect pump installation and enforce design intent
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Design
Construct
Commission
Operate Planning Testing Start-up Lessons Learned
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Design Construction Operation
Assign Startup Team Roles Design Eng. Startup Eng. CM/CI Client (OMD)
Overview of Commissioning Services Group Roles & Responsibilities
Review 90% Documents
Specs DWGs Work Restrictions Process Strategy Commissioning Plan
Conduct Commissioning Kickoff Meeting Witness Equipment Functional Testing
Review Commissioning Submittals & RFIs Attend Factory Test/Inspections Write/Update Commissioning Plan & startup schedule Perform process Training and coordinate vendor training Establish Startup Goals & Review P&IDs 10%-50% stage Support
Conduct Walk- through with O&M and Construction Support Troubleshooting as needed Witness Performance Testing Support/Conduct Control System Functional Testing
RfIP
Coordinate (Operational) Startup Test
staff Coordination
With Construction and Client
RFS
Conduct Commissioning coordination Mtg.
Submit Daily Startup Reports
Prepare Commissioning close-out Documentation Prepare Commissioning Memo to Construction Submit commissioning punch list to CM Conduct Lessons Learned Mtg. with Construction & Design
NTP
Verify that test pre-requisites are met
Approve Test Reports
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High Temperature Can Indicate Decomposition in Progress Rapid Change in Tank Level Can Indicate Leak
Motorized Outlet Valve Closes Upon Leak Detection Manual Drain Valve
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Manual Operation Only 135 gallons 6,000+ gallon Containment Volume above Sump
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Coriolis Flow Meter Dilution Water Flow Indicator Dilution Water Solenoid Valve
To Contactor
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Ozone Diffusers Hydrogen Peroxide Diffuser Diluted Hydrogen Peroxide
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HP System Installed MCC Modifications Complete & Tested Metering Pump Startup, Troubleshooting Instrumentation Calibration, Troubleshooting, Loop Testing Establish Communication between Local Control Panel & DCS Functional Testing (from Local Control Panel) Functional Testing (remotely from DCS) Fill Tank with Water Drain Water from Tank, Fill with HP Purge Air, Prime System with HP Operate System with HP
With Water With Chemical
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Contactor 4 Contactor 3 Contactor 2 Contactor 1
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Contactor 4 Contactor 3 Contactor 2 Contactor 1 PMP-501 PMP-401 PMP-201 PMP-101
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flow
movement/touch
performed field validation tests
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wires terminated and matching design drawings
completed
programmed based on the Coordination Study
installed
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Mimic Bus corrected to match the actual installation
Incorrect Mimic Bus Correct Mimic Bus
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the accessory
requirements
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Neutral Bus not connected between sections
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end device
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and during commissioning (condensation buildup)
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changes
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priming & flushing connections, pump recirc loops, measurement points
workarounds are necessary?
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Contractor (kick off, later – weekly)
Functional/Performance tests, Control System Functional Test, Startup Test
Schedule and development of a separate, detailed commissioning schedule
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functional testing
and should not be taken or negotiated to meet deadlines
time to have meaningful field training next to classroom training
equipment by EBMUD construction inspectors during installation and prior to startup
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