Title
24th Street Water Treatment Plant Rehabilitation 2021 - Construction Manager at Risk Construction Services Amendment 1 - WS85290032 (Ordinance S-49494)
Description
Request to authorize the City Manager, or his designee, to execute an amendment to Agreement 154723 with PCL Construction, Inc., to provide additional Construction Manager at Risk Construction Services for the 24th Street Water Treatment Plant Rehabilitation 2021 project. Further request to authorize execution of amendments to the agreement, as necessary within the City Council approved expenditure authority as provided below, and for the City Controller to disburse all funds related to this item. The additional fee for services included in this amendment will not exceed $10,242,943.
Report
Summary
The 24th Street Water Treatment Plant is a conventional water treatment facility with the capacity to treat 140 million gallons per day of Salt River Project water with various operations and processes. It was constructed in the 1950s and 1960s and received various upgrades from 1990 to 2000. A condition assessment prioritized various treatment systems in need of rehabilitation and/or replacement. The purpose of this project is to address the repair or replacement of raw water pump station valves, flow meters, flocculation basin inlet channel hydraulic modifications, gates and probes, sedimentation basin weir plate, filter effluent pipes, meters, chemical feed area piping, chemical and maintenance building minor repairs, solids handling backwash equalization basin pumps, sludge blanket monitoring, backwash clarifier mechanism, various electrical equipment such as transformers, standby generators, electrical panels, and modifications at the administration building area, electrical building, and chemical building.
This amendment is necessary to provide continued construction services. This amendment will provide additional funds and time to the agreement.
Contract Term
The term of the agreement amendment is five-years from the issuance of the Notice to Proceed. Work scope identified and incorporated into the agreement prior to the end of the term may be agreed to by the parties, and work may extend past the termination of the agreement. No additional changes may be executed after the end of the term.
Financial Impact
- The initial agreement for Preconstruction and Construction Services was executed for a fee not-to-exceed $300,000, including all subcontractor and reimbursable costs.
- This amendment will increase the agreement by an additional $10,242,943, for a new total amount not-to-exceed $10,542,943, including all subcontractor and reimbursable costs.
Funding for this amendment is available in the Water Services Department's Capital Improvement Program budget. The Budget and Research Department will separately review and approve funding availability prior to the execution of any amendments. Payments may be made up to agreement limits for all rendered agreement services, which may extend past the agreement termination.
Concurrence/Previous Council Action
The City Council approved:
- Preconstruction and Construction Services Agreement 154723 (Ordinance S-47776) on July 1, 2021.
Location
24th Street Water Treatment Plant
Council District: 6
Department
Responsible Department
This item is submitted by Deputy City Managers Ginger Spencer and Alan Stephenson, the Water Services Department, and the City Engineer.