Title
91st Avenue Wastewater Treatment Plant Sludge Solar Drying Beds Improvements - Design-Bid-Build - WS90100098 (Ordinance S-44654)
Description
Request to authorize the City Manager, or his designee, to accept Quest Civil Contractors, LLC as the lowest-priced, responsive and responsible bidder and to enter into an agreement with Quest Civil Contractors, LLC for construction services. The fee for services will not exceed $4,233,891. Further request authorization for the City Controller to disburse all funds related to this item.
Report
Summary
Quest Civil Contractors, LLC will provide construction services in support of the 91st Avenue Wastewater Treatment Plant (WWTP) Solar Drying Beds Improvements project. The purpose of this project is to improve the 91st Avenue WWTP's on-site sludge drying process for current and future plant operations. This work includes, but is not limited to: demolishing and clearing of the area occupied by the future drying bed 57; constructing the new solar drying bed 57; constructing new drainage piping for drying bed 57 to Decant Pump Station 2; and paving and grading of the access road to sludge drying bed 57. Approved alternate work will include improvements to the existing Decant Pump Station 2 including replacing the pumps, mechanical equipment, and electrical and instrumentation improvements, and paving and grading of the access road to the solar drying bed 57. A Small Business Enterprise goal of two percent has been established for this project.
Procurement Information
Quest Civil Contractors, LLC was selected for this project using an Invitation for Bids procurement process in accordance with section 34-201 of the Arizona Revised Statutes. Five bids were received by the Street Transportation Department on March 6, 2018. The bids were sent to the Equal Opportunity Department for review to determine subcontractor eligibility and general contractor responsiveness in demonstrating compliance with the project's Small Business Enterprise goal. All bidders were deemed responsive. The bids ranged from a low of $4,233,891 to a high of $5,575,089.71. The Engineer's estimate and the three lowest responsive, responsible bidders are listed below:
Engineer's Estimate: $4,880,125
Quest Civil Contractors, LLC: $4,233,891
Hunter Contracting Co.: $4,408,739
M.A. Mortenson Company: $4,839,007
Contract Term
The term of the contract is expected to be completed within 300 calendar days from the date of issuance of the Notice to Proceed. The 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 for work in progress. No additional contract work scope changes may be executed after the end of the contract term.
Financial Impact
Quest Civil Contractors, LLC's fee for construction services will not exceed $4,233,891, including all subcontractor and reimbursable costs. Funding 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.
Concurrence/Previous Council Action
The City Council approved:
- Engineering design services Contract 141600 (Ordinance S-42097) on Oct. 21, 2015; and
- Construction administration and inspection services Contract 145108 (Ordinance S-43605) on June 7, 2017.
Location
The 91st Avenue Wastewater Treatment Plant is located at 5615 S. 91st 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.