Title
Thomas Road Transmission Main Rehabilitation Construction Administration and Inspection - WS85500443 (Ordinance S-43353)
Description
Request to authorize the City Manager, or his designee, to enter into an agreement with Wilson Engineers, LLC, (Phoenix) to provide construction administration and inspection services in support of the Thomas Road Transmission Main Rehabilitation project. Further request authorization for the City Controller to disburse all funds related to this item.
Report
Summary
The Water Services Department initiated the Transmission Main Inspection and Assessment program to inspect and assess the condition of critical transmission mains within the City's water system. The transmission main inspection and assessment has been ongoing since 2011 providing the City with awareness of the current condition of the City's transmission mains. The Thomas Road transmission main was installed from 1930 to 1948, and its joints are starting to fail. The pipeline between 44th and 64th streets, to include Thomas Road, has been selected for rehabilitation with a fully structural liner.
Wilson Engineers, LLC's construction administration and inspection services include: meeting attendance; review shop drawings; issue interpretation and clarification; perform material testing; conduct inspections; review of submittals; respond to requests for information; evaluate requested change orders; provide post-construction services including warranty inspections or reports; and other services as needed.
Procurement Information
Wilson Engineers, LLC, was chosen for this project using a qualifications-based selection process according to Section 34-603 of the Arizona Revised Statutes (ARS). Pursuant to ARS Title 34, the City is not to release the scoring of proposers until a contract has been awarded. The top three rankings follow:
Wilson Engineers, LLC: Ranked #1
Stanley Consultants, Inc.: Ranked #2
HDR, Inc.: Ranked #3
Contract Term
The project is expected to take approximately two years to complete after issuance of the Notice to Proceed. 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 under this contract will not exceed $825,000 including all subconsultant and reimbursable costs. Funds are available in the Water Services Department's Capital Improvement Program budget. Contract payments may be made up to the contract limits for all rendered contract services, which may extend past the contract termination.
Location
Thomas Road from 44th to 64th streets.
Department
Responsible Department
This item is submitted by Deputy City Managers Karen Peters and Mario Paniagua, the Water Services Department, and the City Engineer.