Title
Chandler Boulevard - 27th to 19th Avenues, 1-Step Design-Build, Amendment 3 - Project ST85100367 (Ordinance S-43392)
Description
Request to authorize the City Manager, or his designee, to enter into Amendment 3 with Hunter Contracting Co. (Gilbert, Ariz.) to provide 1-Step Design-Build construction phase services for the Chandler Boulevard - 27th to 19th Avenues project. Amendment 3 for GMP#3 will allow for additional engineering design and construction for widening Chandler Boulevard to accommodate an additional lane of traffic. Further request authorization for the City Controller to disburse all funds related to this item.
Report
Summary
This street construction project will provide an important transportation connection to Ahwatukee Foothills residents, consisting of the construction of approximately 1.2 miles of new half street roadway for two-way traffic. The north side of the road will be developed to include curb and gutter, a five-foot wide sidewalk and street lighting. The project also includes the construction of two drainage-related bridge structures, roadway drainage system, flood protection and waterline relocations.
Amendment 3 consists of engineering design efforts and additional construction costs to provide sufficient pavement width as needed to provide three lanes of traffic. The cost also includes design and construction related project administration.
Procurement Information
Hunter Contracting Co. was chosen for this project using a qualifications-based selection process according to section 34-603 of the Arizona Revised Statutes (ARS). Scoring and selection were made in conjunction with the initial design-build team selection process.
Contract Term
The term of this amendment will remain the same, as this amendment will be completed within the original allotted time, which was 300 calendar days. 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 of the contract. No additional contract work scope changes may be executed after the end of the contract term.
Financial Impact
Hunter Contracting Co.'s fees under Amendment 3 will not exceed $290,944.21, including all subconsultant, subcontractor and reimbursable costs. The new contract cost for all design and construction services for this project is $8,472,904.46. Funding is available in the Street Transportation 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.
Small Business Outreach
The Small Business Enterprise goal for this project is eight percent.
Concurrence/Previous Council Action
The City Council approved Contract 140977 for 1-Step Design-Build (design phase) services on July 1, 2015. Council approved Amendment 1 for 1-Step Design-Build (construction phase) services on June 15, 2016. On Feb. 15, 2017, Council approved Amendment 2 for additional construction phase services.
Public Outreach
A public open house meeting was held on Jan. 25, 2016, with additional presentations given to the Ahwatukee Village Planning Committee (AVPC) and other homeowner associations within the project area, and the City conducted additional presentations to the AVPC in August 2016. Public outreach will continue throughout construction.
Location
Chandler Boulevard from 27th to 19th avenues.
Department
Responsible Department
This item is submitted by Deputy City Manager Mario Paniagua, the Street Transportation Department and the City Engineer.