Title
Sub-Regional Operating Group Southern Avenue Interceptor Condition Assessment - Engineering Services - WS90160107 (Ordinance S-49451)
Description
Request to authorize the City Manager, or his designee, to enter into an agreement with Project Engineering Consultants, LTD., to provide Engineering Services for a condition assessment for the Sub-Regional Operating Group Southern Avenue Interceptor Condition Assessment 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 $2,500,000.
Additionally, request to authorize the City Manager, or his designee, to take all action as may be necessary or appropriate and to execute all design and construction agreements, licenses, permits, and requests for utility services relating to the development, design and construction of the project. Such utility services include, but are not limited to: electrical, water, sewer, natural gas, telecommunication, cable television, railroads and other modes of transportation. Further request the City Council to grant an exception pursuant to Phoenix City Code 42-20 to authorize inclusion in the documents pertaining to this transaction of indemnification and assumption of liability provisions that otherwise should be prohibited by Phoenix City Code 42-18. This authorization excludes any transaction involving an interest in real property.
Report
Summary
The purpose of this project is to complete a condition assessment of approximately 98,500 linear feet of the Southern Avenue Interceptor (SAI), including the 51st Avenue Siphon and approximately 154 associated manholes and structures on the interceptor.
Project Engineering Consultants, LTD.'s services include, but are not limited to: reviewing past assessments, as-builts, completed rehabilitations and other improvements; inspecting the pipe interior of the interceptor; inspecting the twin barrel pre-stressed concrete cylinder siphon at 51st Avenue and Broadway Road to analyze and determine the structural integrity and sediment and debris accumulation; inspecting bypass pump "panels" in the interceptor at the locations previously rehabilitated; inspecting manholes and structures on the interceptor using remote digital technology and manned entry; cleaning of the interceptor; assessing sewer pipe, manhole, and structure conditions using NASSCO standards; testing the pipe to soil potentials for each of the twin barrels at the corrosion monitoring test stations; preparing a detailed report of observations including a prioritized list of assets recommended for rehabilitation; developing budgetary costs for recommended rehabilitations; holding progress meetings and workshops as needed to complete the work; and preparing reports and presenting them to the Sub-Regional Operating Group (SROG) partners.
The Southern Avenue Interceptor is owned by 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. Three firms submitted proposals and are listed below.
Selected Firm
Rank 1: Project Engineering Consultants, LTD.
Additional Proposers
Rank 2: Black and Veatch Corporation
Rank 3: Brown and Caldwell, Inc.
Contract Term
The term of the agreement is five years from the 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 Project Engineering Consultants, LTD. will not exceed $2,500,000 including all subconsultant and reimbursable costs.
Funding is available in the Water Services Department's Capital Improvement Program budget. The Budget and Research Department will separately review and approve funding availability prior to execution of any amendments. Payments may be made up to agreement limits for all rendered agreement services, which may extend past the agreement termination.
Concurrence/Previous Council Action
- The SROG Advisors authorized the project on June 16, 2022.
Location
Southern Avenue from 48th Street to 51st Avenue, continuing to 91st Avenue between Southern Avenue and Broadway Road.
Council Districts: 7, 8 and Out of City
Department
Responsible Department
This item is submitted by Deputy City Managers Ginger Spencer and Alan Stephenson and the Water Services Department and the City Engineer.