Title
Sub-Regional Operating Group Salt River Outfall Parallel Interceptor Capacity Improvements - Construction Manager at Risk Services - WS90160113 (Ordinance S-52681) - District 7
Description
Request to authorize the City Manager, or the City Manager's designee, to enter into an agreement with Achen-Gardner Construction, L.L.C. to provide Construction Manager at Risk Preconstruction and Construction Services for the Sub-Regional Operating Group Salt River Outfall Parallel Interceptor Capacity Improvements Project. Further request to authorize execution of amendments to the agreement as necessary within the Council-approved expenditure authority as provided below, and for the City Controller to disburse all funds related to this item. The fee for services will not exceed $595,671.
Report
Summary
The purpose of this Project is to construct a parallel pipeline to relieve hydraulic conditions in a specific segment of the Salt River Outfall, as the pipeline is operating at its capacity and its anticipated future flows will necessitate the additional pipeline. The preferred route starts at the intersection of West Lower Buckeye Road and South 47th Avenue, continues west along Lower Buckeye Road until the intersection of 51st Avenue, then south on 51st Avenue to Broadway Road, and then at 51st Avenue and Broadway Road, the route turns to the west along Broadway Road to 59th Avenue.
Achen-Gardner Construction, L.L.C. will begin in an agency support role for Construction Manager at Risk Preconstruction Services. Achen-Gardner Construction, L.L.C. will assume the risk of delivering the project through a Guaranteed Maximum Price agreement.
Achen-Gardner Construction, L.L.C.'s Preconstruction Services include, but are not limited to: providing detailed cost estimating and knowledge of marketplace conditions; providing project planning and scheduling; providing alternate systems evaluation and constructability studies; and participating with the City in a process to establish a Small Business Enterprise (SBE) goal for the Project.
Achen-Gardner Construction, L.L.C.'s initial Construction Services will include preparation of a Guaranteed Maximum Price proposal provided under the agreement. Achen-Gardner Construction, L.L.C. will be responsible for construction means and methods related to the project and fulfilling the SBE program requirements. Achen-Gardner Construction, L.L.C. will be required to solicit bids from pre-qualified subcontractors and to perform the work using the City’s subcontractor selection process. Achen-Gardner Construction, L.L.C. may also compete to self-perform limited amounts of work.
Achen-Gardner Construction, L.L.C.’s additional Construction Services include scheduling and managing site operations, providing quality controls, arranging for procurement of materials and equipment, and maintaining a safe work site for all project participants.
The Salt River Outfall Parallel Interceptor is owned by the Sub-Regional Operating Group (SROG) and operated by the City of Phoenix.
Procurement Information
The selection was made using a qualifications-based selection process set forth in Section 34-603 of the Arizona Revised Statutes (A.R.S.). In accordance with A.R.S. Section 34-603(H), the City may not publicly release information on proposals received or the scoring results until an agreement is awarded. Six firms submitted proposals and are listed below.
Selected Firm
Rank 1: Achen-Gardner Construction, L.L.C.
Additional Proposers
Rank 2: Sundt Construction, Inc.
Rank 3: Garney Companies, Inc.
Rank 4: Hunter Contracting Co.
Rank 5: B & F Contracting, Inc.
Rank 6: Pulice Construction, Inc.
Contract Term
The term of the agreement is five years from issuance of the Notice to Proceed. Work scope identified and incorporated into the agreement prior to the end of the term may be agreed to by the parties, and work may extend past the termination of the agreement. No additional changes may be executed after the end of the term.
Financial Impact
The agreement value for Achen-Gardner Construction, L.L.C. will not exceed $595,671, including all subcontractor and reimbursable costs.
Funding is available in the Water Services Department's Capital Improvement Program budget utilizing SROG funds.
Concurrence/Previous Council Action
The SROG Advisors and Managers:
- Recommended approval of this item by a vote of 5-0 on December 18, 2025; and
- Recommended approval of this item by a vote of 5-0 on February 11, 2026.
Location
W. Lower Buckeye Road and S. 47th Avenue to W. Broadway Road and S. 59th Avenue
Council District: 7
Department
Responsible Department
This item is submitted by Assistant City Manager Ginger Spencer, Deputy City Manager Amber Williamson, the Water Services Department and the City Engineer.