Title
Val Vista Transmission Main Rehabilitation - Construction Manager at Risk - Design Phase Services - WS85500437 (Ordinance S-43441)
Description
Request to authorize the City Manager, or his designee, to enter into a contract with Achen-Gardner Construction, LLC, (Chandler, Ariz.) to provide Construction Manager at Risk (CMAR) Design Phase services for the Val Vista Transmission Main Rehabilitation - 2016 project. This project will be completed over multiple fiscal years. Further request authorization for the City Controller to disburse all funds related to this item.
Report
Summary
The Val Vista Transmission Main includes pipe sizes ranging from 72 inches to 108 inches in diameter. A scoping analysis was completed on the Val Vista Transmission Main in 2016, which determined that the first four sections of the Val Vista Transmission Main require slip-lining. Additional sections will be rehabilitated in future construction phases.
Achen-Gardner Construction, LLC’s CMAR design phase services include, but are not limited to: review of design plans and specifications, provision of alternate systems evaluation and constructability studies, design and review, participation in value engineering efforts, development of cost estimates and construction schedule, long-lead procurement studies and initiation of procurement of long-lead items, phasing of project implementation to minimize operational impacts, and participation in the process to establish SBE Goals for construction.
Procurement Information
Achen-Gardner Construction, LLC, was chosen to provide CMAR Services for this project using a qualifications-based selection process according to Section 34-603 of the Arizona Revised Statutes (ARS). Pursuant to ARS Title 34, the City is not to release the scoring of proposers until a contract has been awarded. Two firms submitted and ranking follow:
Achen-Gardner Construction, LLC: Ranked #1
Kiewit Infrastructure West, Co.: Ranked #2
Contract Term
The initial term of the contract is for approximately two years. 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
Achen-Gardner Construction, LLC's fee for CMAR Design Phase Services will not exceed $173,252.73 including all subconsultant, 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 CMAR Construction Phase GMP Preparation Services contract is being submitted for Council approval simultaneously with this request for CMAR Design Phase Services contract.
Location
Bass Pro Drive and Alma School Road (Mesa, Ariz.)
North Country Club Drive and West Juniper Street (Mesa, Ariz.)
West Juniper Street and Grand (Mesa, Ariz.)
Department
Responsible Department
This item is submitted by Deputy City Managers Karen Peters and Mario Paniagua, the Water Services Department and the City Engineer.