ITEM TITLE:
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Consider and take action approving Change Order 1 increasing the contract by $1,037,837.91 and adding 180 calendar days to the project time for WWTP Phase I Improvements Project PU2103 as constructed by Wynn Construction, Co, to replace three unserviceable blowers with Four new blowers at the WWTP, with a final contract amount of $84,817,891.91, a 1.2% increase to the original contract.
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INITIATOR: Rusty Whisenhunt, Director of Public Utilities
STAFF INFORMATION SOURCE: Rusty Whisenhunt, Director of Public Utilities
BACKGROUND: On December 4, 2020, the City of Lawton received Consent Order 20-214 from the Oklahoma Department of Environmental Quality (ODEQ) as a result of OPDES Permit violations stemming from discharges at the Wastewater Treatment Plant. In order to comply with the expected details of the Consent Order and bring the WWTP into compliance, additional funding in the amount of up to $47 million was obtained through the Clean Water State Revolving Fund program to address repairs and improvements as identified in the Consent Order and the WWTP Condition Assessment conducted by Garver, LLC. On June 22, 2021, Council awarded a contract to Garver, LLC in the amount of $6,296,700.00 for the design of PU2103 WWTP Improvements Phase 1 Project. The Engineering and Design contract provides full Engineering and Design services for items identified as Phase 1 Improvements in the Final Engineering report approved by City Council on June 8th, 2021. The Final Engineering Report outlined three distinct phases of improvements. Originally listed in Phase 2 was replacing the influent screening structure, however, the condition of the current equipment dictates that replacement must be moved from Phase 2 to Phase 1 to ensure continued compliance. On March 9th, 2022, the City Council approved Amendment No. 1 adding additional professional services necessary to include the design of a new influent screening structure. On March 12, 2024, City Council approved Amendment No. 2 which includes the replacement of existing blowers with new units, associated process mechanical improvements to integrate the new blowers, and new electrical improvements for the new blowers.
The change order increases the project amount by $1,037,837.91 and adds 180 calendar days to the project time to replace three non-serviceable blowers with four new blowers at the WWTP. The blowers are the source of oxygen for the aeration basins and are essential for the activated sludge handling at the facility. The timeliness of the change order #1 is needed to expedite the manufacturing of the replacement blowers. The change order is for the purchase of equipment only, a second change order will be processed for demolition and installation of the blowers at a later date. The timeliness of the change order #1 is needed to expedite the manufacturing of the replacement blowers. The original contract amount of $83,780,054.00 is increased by $1,037,837.91. The change order #1 results in a 1.2% increase, bringing the total contract amount to $84,817,891.91. ($83,780,054.00 + $1,037,837.91 = $84,817,891.91) The WWTP upgrade project is imperative to continue providing a safe community to our citizens as stated in the True North Statement.
EXHIBIT: PU2301 Change Order 1
KEY ISSUES: Does City Council wish to approve Change Order #1 increasing the contract by $1,037,837.91 and adding 180 calendar days to the project time for WWTP Phase I Improvements Project PU2103 as constructed by Wynn Construction, Co, to replace four new blowers at the WWTP, with a final contract amount of $84,817,891.91, a 1.2% increase to the original contract?
FUNDING SOURCE: $47million CWSRF loan ORF-22-0008-CW: WWTP Program account 4400000-54145 $249,271.57 (remaining amount available) - $1,037,837.91 (cost of this project) = $500,728.43 (remaining needed for project)
$72million CWSRF loan ORF-22-0008-CWA: WWTP Program account 7050000-54145 $1,244,606.10 (current amount available) - $788,566.34 (remaining cost of this project) = $456,039.76 (remaining contingency balance to be used for projects)
STAFF RECOMMENDED COUNCIL ACTION: Approve Change Order #1 increasing the contract by $1,037,837.91 and adding 180 calendar days to the project time for WWTP Phase I Improvements Project PU2103 as constructed by Wynn Construction, Co, to replace three(3) unserviceable blowers with four(4) new blowers at the WWTP, with a new final contract amount of $84,817,891.91, a 1.2% increase to the original contract.