Title
Scenario 16A Water Transmission Main Rehabilitation Construction Administration and Inspection Services - Amendment No. 1 - WS85500423 (Ordinance S-43149)
Description
Request to authorize the City Manager, or his designee, to execute Amendment No. 1 to Contract No. 140323 with Wilson Engineers, LLC (Phoenix) to provide additional construction administration and inspection services for the Scenario 16A Water Transmission Main Rehabilitation project. Further request authorization for the City Controller to disburse all funds related to this item.
Report
Summary
This project is in response to the Large Transmission Main Assessment Program, which determined the need to rehabilitate a portion of the City's 60-inch water transmission main. The portion of transmission main requiring rehabilitation is approximately 3,400 linear feet aligned between University Drive and 44th Street intersection and the booster pump station located at 48th Street and the Salt River. This rehabilitation project has been identified as the second highest priority of the on-going transmission main assessment program.
Wilson Engineers, LLC's services include, but are not limited to: reviewing shop drawings and test results, certifying contractor's progress payments, surveying coordination, review of manufacturer operation and maintenance manuals, special welding inspections, on-site inspection and review of the work and commissioning and updating the asset management system.
Procurement Results
Wilson Engineers, LLC was chosen for this project using a qualifications-based selection process according to Section 34-603 of the Arizona Revised Statutes. Scoring and selection were made in conjunction with the Design Services selection.
Contract Term
The term of the contract amendment will be approximately one year. Contract work scope identified and incorporated into the contract prior to the end of the contract may be agreed to by the parties, and work may extend past the termination for work in progress. No additional contract work scope changes may be executed after the end of the contract term.
Financial Impact
Wilson Engineers, LLC's fee will not exceed $290,972.65 for this amendment, including all subconsultant and reimbursable expenses. Funding is available in the Water Services Department's Capital Improvement Program budget. Contract payments may be made up to contract limits for all rendered contract services, which may extend past the contract termination.
Concurrence/Previous Council Action
Council approved Design Contract No. 138407 on May 28, 2014, and approved Construction Administration and Inspection Services Contract No.140323 on March 25, 2015.
Location
The project is located between University Drive and 44th Street intersection and the booster pump station located at 48th Street and the Salt River.
Department
Responsible Department
This item is recommended by Deputy City Managers Karen Peters and Mario Paniagua, the Water Services Department and the City Engineer.