Title
Approval of Task Order No.3, AGR24-04d for the Purpose of White Rock Substation Transformer Project with Sanbros Corp. in the Amount of $299,719.24, plus Applicable Gross Receipts Tax for
the Term of 120 Days
Recommended Action
I move that the Board of Public Utilities approve Task Order No.3, AGR24-04d for the Purpose of White Rock Substation Transformer Project with Sanbros Corp. in the Amount of $299,719.24, plus Applicable Gross Receipts Tax for the Term of 120 days.
Utilities Manager's Recommendation
The Utilities Manager recommends that the Board Approve the motion as presented.
Body
The foundation for the new transformer (T1) at White Rock Substation will require a larger foundation than the smaller transformer that it is replacing. The White Rock substation site was apparently an ancient arroyo since the rock is approximately 30 feet below the surface. The transformer foundation calls for a set of 4 piers at a depth of 21 feet below the surface of the ground. A fifth pier will be required for a bus support between the 115 kV circuit switcher and the transformer.
The civil engineer moved the transformer away from the switchgear building and that is requiring us to move the SCADA and DC power cables for the T2 switchgear in order to install the foundation for T1.
DPU has elected to utilize our on-call contract with Sanbros to complete all of the preparation work in the substation for the transformer installation.
The task order includes moving of the T2 cables and installation of the reinforcement rebar along with the concrete work. They are also tasked with excavation of the oil containment pit that will sit around the new transformer and installation of the conduit for the cables from the transformer to the switchgear building.
The cost of drilling the large piers will be in addition to the task order since a subcontractor will be required to perform the work. This task order will include support for the drilling by removing the ...
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