Broken Arrow Municipal Authority
Meeting of: 10-1-19
Title:
title
Approval of and authorization to execute Change Order #3 with Walters Morgan Construction, Inc. for Construction Contract 175436; Verdigris River Water Treatment Plant Pretreatment Basin Expansion
End
Background:
Over the past three years of operation of the Verdigris River Water Treatment Plant, the raw water quality during the warm weather months has created challenges with producing settled water quality within turbidity goals for optimum membrane filtration operation. The purpose of this project will provide improvements to the pretreatment basin. The project consists of construction of two (2) rapid mix basins, two (2) train flocculation basins with plate settlers, a residual collection and pumping system and modifications to the chemical feed storage and pumping system and all appurtenances. The project was advertised for bid on July 23, 2018. Bids were opened on August 14, 2018, with the lowest responsible bidder being Walters-Morgan Construction, Inc., with a Base Bid of $6,702,000.00, Alternate A of $74,000, Alternate B of $57,000 for a Total Lump Sum Bid of $6,833,000. A Notice to Proceed was issued to the contractor on August 8th, 2018.
This Change Order #3 addresses the following additions to the contract:
Total Number of Days Added by this Change Order:
- (25) Due to the changes of work within the project, the contract shall be extended by 25 calendar days.
CO3-1 - Cost Proposal No. 5 - Per directive within RFI #17 as directed by the EOR and BAMA, the contractor is to add SS disconnects, conduit, and wire such to provide power from the New MCC4 within the new electrical building as part of the new project. The associated costs are summarized within the attached proposal and are inclusive of all applicable costs and markups.
CO3-2 - Cost Proposal No. 6 - As directed by BAMA the contractor is ...
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