Sealed proposals for purchase and installation of four low harmonic drives (IP00) to retrofit existing Robicon VFD's; three 100HP units at the Cordova Pump Station (S33) and one 200HP unit at the Iron Point Pump Station (N40). The issuing officer and mailing address to send Proposals, questions, and all other correspondence concerning this RFP is: Tamblynn Stewart Sacramento Regional County Sanitation District 8521 Laguna Station Road Elk Grove, CA 95758 (916) 875-9014 stewartt@sacsewer.com Project Contact: Wayne Zhuang Associate Electrical Engineer Telephone: (916) 876-6040 zhuangw@sacsewer.com Questions from Proposers Due: November 3, 2021 Liquidated damages shall be $500.00 for each calendar day delay, per County Standard Construction Specifications Contract Award: December 6, 2021 The District reserves the right to reject any or all proposals and waive any irregularity in proposals received. The District reserves the right: To reject any or all Proposals, or any part thereof; To waive any informality in the Proposal; To accept the Proposal that is in the best interest of the District. District is seeking a qualified system integrator/supplier field service office with a C10 license within 150 mile range to the job sites to retrofit and commission of four 480V low voltage variable frequency drives (VFDs) and
the requirements for which are included in the Scope of Work below. The locations and descriptions of the existing VFDs are described below The successful proposer will provide all required parts and retrofit installation service per SASD drawing sets in
Appendix A and B for a fully operational replacement of the VFD including:
Disconnect, remove and provide the District the existing internal VFD boards/circuits and related parts
(carefully removed and wrapped in anti-static wrapping and packaged with labeling. It will be used as
spare parts for similar units at other sites)
Relocate reused existing parts to make room for the new drive and rewire per SASD drawing sets.
Provide and install the new VFDs.
Provide startup services, testing and commissioning a proper working VFD system.
Provide as-built markups on SASD drawing sets including the relocated existing parts (attach additional
sheet if needed for final locations in the cabinet).
Provide O&M manuals and a warranty outline for supplied equipment Proposers will submit one proposal with two cost sheets for the replacement of the VFDs at the S33 and the N40 Pump Stations.
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