Broken Arrow Municipal Authority
Meeting of: 06-17-2024
Title:
title
Approval and authorization to execute Change Order #2 with Crossland Heavy Contractors, Inc. for the project #S.1905 Lynn Lane Wastewater Treatment Plant Disinfection Improvements
End
Background:
The Lynn Lane Wastewater Treatment Plant (LLWWTP) currently utilizes gas chlorination for disinfection and sulfur dioxide for de-chlorination of its effluent. Due to safety concerns, the Broken Arrow Municipal Authority is eliminating gas chlorination as a form of disinfection at the LLWWTP and will be utilizing cloth disk filters and closed vessel UV disinfection. This project includes construction of a new filtration and disinfection facility and installation of pre-negotiated filtration and disinfection equipment. Associated electrical and site/civil improvement for completion of project is also included. The construction contract time for this project is 480 days.
The project was advertised on December 27th, 2021 and January 3, 2022. Within the four (4) bids that were received on February 1, 2022, the lowest responsible bid was Crossland Heavy Contractors, Inc. for $5,841,000.00. The contract was awarded at the February 15, 2022 Authority meeting and a Notice to proceed of March 28, 2022 was issued.
This Change Order #2 addresses the following additions to the contract:
1. During the shop drawing and procurement of the pre-manufactured metal building for the new UV Disinfection structure, it was determined that the specified metal roofing was not readily available for procurement. Thus it was determined that a thinner gauge metal paneling for the roofing material, that was available for procurement, was designed to meet the project design requirements and met fabrication timelines. With this reduction in material gauge, a credit in procurement costs shall be issued to the project as noted within the associated project deduction proposal.
2. During the final implementation of the new UV Disinfe...
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