Stillwater Ionwave #57-2023 Addendum 1

Yost Pump Station Pump Replacement – Pumps, VFDs, and Installation for Stillwater Utilities Authority

This opportunity involves the replacement of pumps at the Yost Pump Station in Stillwater, Oklahoma, managed by the Stillwater Utilities Authority. - Government Buyer: - Stillwater Utilities Authority (City of Stillwater, Oklahoma) - Purchasing Workgroup and Engineering Department involved - OEMs and Vendors: - Weinman (approved manufacturer for horizontal axial flow centrifugal pumps) - Danfoss (specified for FC202 variable frequency drives) - bnb Industries, Inc. (awarded supplier) - Products and Quantities: - 2 horizontal axial flow centrifugal pumps (Weinman or equal) - 2 Danfoss FC202 variable frequency drives (10HP, 230V, NEMA 4, 1-phase input to 3-phase output) - 4 AWWA C504 Class 150B flanged butterfly valves (EPDM gaskets, Garlock 98206 or similar) - Ductile iron piping (4" and larger, 350 PSI, Tnemec 1095 or equal coating) - Schedule 80 PVC piping and fittings (<4") - 2 stainless steel strut channel posts and braces - Services Requested: - Demolition and removal of 2 existing pumps - Installation of 2 new pumps, VFDs, piping, valves, and associated electrical/mechanical work - Electrical installation and testing per NEC and manufacturer requirements - Unique/Notable Requirements: - VFDs must have minimum 2 analog inputs, 2 analog outputs, 1 discrete input, 2 discrete outputs - Option to use larger motors and VFDs if compatible with existing electrical system - Outage time for pump replacement limited to 2 hours per event, scheduled between 10:00 PM and 2:00 AM - Owner (City) will handle programming and process control system commissioning - Project is not subject to American Iron & Steel requirements or prevailing wage - Mandatory pre-bid conference and submission of affidavits/bonds required - Locations: - Yost Pump Station / Stillwater Water Treatment Plant, 1022 Yost Rd, Stillwater, OK 74075 (place of performance) - Stillwater Utilities Authority, 723 S. Lewis, Stillwater, OK 74074 (contracting/government office)

Description

The Stillwater Utilities Authority issued an Invitation For Bid for the Yost Pump Replacement project, identified as Project #24WT01. The scope involves demolition of two existing pumps and installation of two new pumps at the Yost Pump Station. Bids were to be submitted electronically by September 6, 2023, with a mandatory pre-bid conference held on August 29, 2023. The awarded contract was given to bnb Industries, Inc. for $96,200.00.

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