Title
24th Street Water Treatment Plant Rehabilitation 2017, Construction Manager at Risk Construction Services - WS85290029 (Ordinance S-43816)
Description
Request to authorize the City Manager, or his designee, to enter into a contract with Kiewit Infrastructure West Company (Phoenix) to provide Construction Manager at Risk (CMAR) Construction Phase Services, for the 24th Street Water Treatment Plant (WTP) Rehabilitation 2017 project. Further request authorization for the City Controller to disburse all funds related to this item.
Report
Summary
The 24th Street WTP is a conventional water treatment facility with the capacity to treat 120 million gallons per day (MGD). Water from the Salt and Verde Rivers is treated at the 24th Street WTP using various operations and processes. The plant was constructed during the 1950s and 1960s, and upgraded during the 1990s and 2000s. A condition assessment indicated various treatment systems are deteriorating due to age and use and are in need of rehabilitation and/or replacement. The treatment systems to be rehabilitated and/or replaced include flocculation basins, sedimentation basins, junction boxes, other concrete structures, filter valves, raw water inlet pipelines, sludge blowdown pipelines, main switchgears, and other electrical equipment.
The initial construction contract services will include preparation of Guaranteed Maximum Price (GMP) proposals for the construction services provided under the contract. Kiewit Infrastructure West Company will assume the risk of delivering the project through a GMP contract. Kiewit Infrastructure West Company will be responsible for construction means and methods related to the project, participating with the City in a process to set a local and Small Business Enterprise (SBE) goal for the project, and implementing the SBE processes. Kiewit Infrastructure West Company will also be required to solicit bids from prequalified subcontractors and to perform the work using the City’s subcontractor selection process. Kiewit Infrastructure West Company may also compete to self-perform limited amounts of work.
Procurement Information
Kiewit Infrastructure West Company 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. Scoring and selection were made in conjunction with the CMAR Design Phase Services procurement process.
Contract Term
The term for the initial work under the CMAR Construction Phase Services contract is expected to be nine months from issuance of Notice to Proceed. The CMAR GMP Construction Services will be implemented under an amendment to this contract. 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
Kiewit Infrastructure West Company's fee for initial construction services will not exceed $50,000, including all subcontractor, supplier 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.
Location
The 24th Street WTP is located at 6202 N. 24th St.
Department
Responsible Department
This item is submitted by Deputy City Managers Karen Peters and Mario Paniagua, the Water Services Department, and the City Engineer.