MLVR DPA Panel & 480V Feeder Replacement

Agency: Department of Energy
State: California
Type of Government: Federal
FSC Category:
  • 61 - Electric Wire, and Power and Distribution Equipment
NAICS Category:
  • 238210 - Electrical Contractors and Other Wiring Installation Contractors
Posted Date: Jul 15, 2019
Due Date:
Solicitation No: RFP_301701_MLVR_480V_Feeder_Replacement
Bid Source: Please Login to View Page
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Bid Documents: Please Login to View Page
Opportunity History
  • Original Synopsis
    Jul 15, 2019
    4:43 pm
Solicitation Number :
Notice Type :
Sources Sought
Synopsis :
Added: Jul 15, 2019 4:43 pm
The existing power distribution system in B002 Klystron Gallery was built more than 60 years ago. In the Sectors 11, 13, 15, 17, 19, 21, 23, 25, 27, and 29 SLAC has original 480V, 400A, 14kAIC DPA distribution panels without main breakers. These panels are fed from 12.47kV-480V K-Substations via feeders in underfloor conduits. During the last years five of such feeders failed the insulation resistance test and were replaced with temporary overhead portable cables. Such temporary configuration is not as safe and reliable as permanent feeders in conduit.

The base scope is to replace existing DPA panels 4P23C in Sector 23, 4P27C in Sector 27 with Government Furnished new 480V, NEMA 1, 3-wire, 400A-bus, 400A Main, 65kAIC panelboards. This upgrade includes new 480V feeders from Substations K-12 and K-14 respectively to be run in overhead conduits. At each building seismic joint the new conduits shall be provided with expansion/deflection fittings. There also three more options to replace DPA panels and temporary cords in sectors 11, 13, and 15.

Contracting Office Address :
2575 Sand Hill Road
Menlo Park, California 94303
United States
Place of Performance :
SLAC National Accelerator Laboratory
2575 Sand Hill Road
Menlo Park, California 94025
United States
Primary Point of Contact. :
Kris Faulkner,
Team Lead - Construction & Projects
General Information
Notice Type:
Sources Sought
Posted Date:
July 15, 2019
Response Date:
Archiving Policy:
Automatic, on specified date
Archive Date:
July 31, 2019
Original Set Aside:
Set Aside:
Classification Code:
61 -- Electric wire & power & distribution equipment
238 -- Specialty Trade Contractors/238210 -- Electrical Contractors and Other Wiring Installation Contractors

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