STRATEGIC PRIORITY: Transportation & Infrastructure
AGENDA DATE: June 28, 2023
COUNCIL DISTRICT(S):|910|DEPARTMENT: Water Utilities Department
EXECUTIVE: Kimberly Bizor Tolbert
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SUBJECT
Title
Authorize an increase in the construction services contract with Archer Western Construction, LLC for work associated with the repair of existing 66-inch diameter wastewater pipes at the Southside Wastewater Treatment Plant Influent Pump Station C - Not to exceed $217,652.04, from $44,624,500.00 to $44,842,152.04 - Financing: Wastewater Construction Fund
Body
BACKGROUND
On November 10, 2021, City Council authorized a construction services contract with Archer Western Construction, LLC. for Electrical and SCADA improvements at the Southside Wastewater Treatment Plant by Resolution No. 21-1846. On March 21, 2022, during a field investigation to install the influent pump suction piping at Influent Pump Station C, Archer Western noticed the exterior of the existing wall sleeves to remain were significantly deteriorated. Since Archer Western was already working on replacing the rest of the pipe and due to the size of the main and time constraints during replacement activities, it was agreed to have them do the repair and avoid a future shutdown of the facility.
This action will authorize an increase in the construction services contract for the repair of the existing corroded 66" wastewater pipes located inside Influent Pump Station C at the Southside Wastewater Treatment Plant (SWWTP). The repair consists of cutting the existing plain end pipe on the dry side flush with the wall, machine/polishing the existing 66" wall pipe interior to remove all corrosion/rust damage to create an appropriate surface for welding a new sleeve, installing a new primed/coated pipe spool, and welding the new pipe spool to the existing pipe.
SWWTP Influent Pump Station C was constructed in 1985 as part of the Phase III 60 ...
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