Title
Sweetwater Avenue Water Main Extension from 39th Avenue to 51st Avenue - Design-Bid-Build - WS85110001 (Ordinance S-43153)
Description
Request to authorize the City Manager, or his designee, to accept Markham Contracting Co., Inc. (Phoenix) as the lowest-priced, responsive, and responsible bidder and to enter into a contract with Markham Contracting Co., Inc., for construction services. Further request authorization for the City Controller to disburse all funds related to this item.
Report
Summary
Markham Contracting Co., Inc., will provide construction services in support of the Sweetwater Avenue Water Main Extension project from 39th Avenue to 51st Avenue. The work includes: installation of 16-inch ductile iron water mains along Sweetwater Avenue between 39th and 51st avenues; installation of fire hydrants blow-off assemblies; adjusting existing storm drains and installation of manholes; encasing concrete sewer mains at certain areas; connections to existing water services at 39th and 51st avenues; connection to a new pressure-reducing valve station at the southwest corner of 43rd and Sweetwater avenues; installation of cathodic protection system along the pipeline; removal and replacement of concrete curb, gutter, asphalt, and landscaping, as needed, to complete new main work, including application of micro seal in the right of way; and all other work as it relates to this project.
Procurement Information
Nine bids were received according to Section 34-201 of the Arizona Revised Statutes by the Street Transportation Department on Nov. 15, 2016. The nine 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 (SBE) goal of 8 percent. All bidders were deemed responsive, with the exception of the low bidder, whose bid was withdrawn due to a mathematical error.
The bids ranged from a low of $1,459,015 to a high of $2,499,307. The Engineer's estimate and the three lowest responsive, responsible bidders are listed below:
Engineer's Estimate: $2,099,661.20
Markham Contracting Co, Inc.: $1,459,015.40
T&T Construction, Inc.: $1,561,509.60
Kincaid Civil Construction, LLC: $1,569,821.25
Contract Term
The term of the contract is 180 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 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
The bid award amount is within the total budget for this project. 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.
Location
Sweetwater Avenue from 39th Avenue to 51st Avenue.
Department
Responsible Department
This item is recommended by Deputy City Managers Karen Peters and Mario Paniagua, the Water Services Department and the City Engineer.