Title
Well 314 Aquifer Storage and Recovery Well Program - Engineering Services - WS85010053 (Ordinance S-44754)
Description
Request to authorize the City Manager, or his designee, to enter into an agreement with Wilson Engineers, LLC to provide engineering services, including system evaluation, design, and possible construction administration and inspection services (CA&I) for the Well 314 Aquifer Storage and Recovery Well Program. Further, request authorization to execute amendments to the contract as necessary within the Council-approved expenditure authority as provided below, and for the City Controller to disburse all funds related to this item. The fee for services will not exceed $845,000.
Additionally, request authorization for the City Manager, or his designee, to take all action as deemed necessary to execute all utilities-related design and construction agreements, licenses, permits, and requests for utility services relating to development, design, and construction of the project and to include disbursement of funds. Utility services include, but are not limited to: electrical, water, sewer, natural gas, telecommunications, cable television, railroads, and other modes of transportation. This authorization excludes any transaction involving an interest in real property.
Report
Summary
During periods of low water demand, the City will store surplus potable water through direct injection into the aquifer through Well 314. The production capacity of Well 314 is estimated to be about 1,200 to 1,500 gallons per minute. Water pumped from the well will be used to supplement potable water supplies in northern portions of Phoenix.
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 may not release the scoring of proposers until a contract has been awarded. Four firms submitted proposals. The top three rankings follow:
Wilson Engineers, LLC: Rank 1
Carollo Engineers, Inc.: Rank 2
Stanley Consultants, Inc.: Rank 3
Contract Term
The term of this contract will be for two years from the issuance of the Notice to Proceed. 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
- Staff will execute the initial contract for system evaluation and design services for a fee not to exceed $425,000.
- Contract amendments may be executed for CA&I services or other contract services totaling an amount not to exceed the remaining $420,000, and will be reviewed and approved separately by the Budget and Research Department.
- The total amount of $845,000, including all subconsultants and reimbursable costs, 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 services, which may extend past the contract termination.
Location
Northeast Corner of 40th Street and Dynamite Road.
Council District: 2
Department
Responsible Department
This item is submitted by Deputy City Managers Karen Peters and Mario Paniagua, the Water Services Department, and the City Engineer.