Title
23rd Avenue Wastewater Treatment Plant Job Order Contract Program Engineering Support Services - WS90200001, WS90450008, WS90200053, WS90200055 (Ordinance S-44519)
Description
Request to authorize the City Manager, or his designee, to enter into an agreement with Wilson Engineers, LLC to provide assessment, design, and construction administration and inspection services (CA&I) for the 23rd Avenue Wastewater Treatment Plant Job Order Contract Program. The fee for services will not exceed $3,435,000. Further request authorization for the City Controller to disburse all funds related to this item.
Report
Summary
Projects identified by City staff under the Wastewater Facilities Job Order Contract (JOC) Program for the 23rd Avenue Wastewater Treatment Plant include, but are not limited to: assessment of the existing water heating system that serves the digesters, design for replacement boilers and controls, design for new variable frequency drives for dewatering and thickening centrifuges, and design for automated influent wastewater sampling. These projects differ in size, scope, and complexity and require some level of engineering evaluation and/or design support, as well as CA&I services.
Wilson Engineers, LLC's services include, but are not limited to: developing contract documents including construction plans, providing independent cost estimates of JOC projects, performing resident engineering/inspection activities, and representing the City's interest in construction related matters.
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 (A.R.S.). Pursuant to A.R.S. Title 34, the City is not to release the scoring of proposers until a contract has been awarded. Three firms submitted proposals. The rankings follow:
Wilson Engineers, LLC: Ranked 1
Brown and Caldwell, Inc.: Ranked 2
Garver, LLC: Ranked 3
Contract Term
The term of the contract is for five years. Contract work scope identified and incorporated into the contract prior to the end of the contract term may be agreed to by the parties, and work may extend past the termination of the contract. No additional contract work scope changes may be executed after the end of the contract term.
Financial Impact
The total fee for contract services will not exceed $3,435,000, including all subconsultants and reimbursable costs. The total amount of $3,435,000 is 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
2470 S. 22nd Ave.
Council District: 7
Department
Responsible Department
This item is submitted by Deputy City Managers Karen Peters and Mario Paniagua, the Water Services Department, and the City Engineer.