Title
Scenario 3B Transmission Main Rehabilitation Project - Engineering Services - WS85507008 (Ordinance S-46313)
Description
Request to authorize the City Manager, or his designee, to enter into an agreement with Wilson Engineers, LLC (Wilson), to provide Engineering Services that include design and possible construction administration and inspection (CA&I) services for the Scenario 3B Transmission Main Rehabilitation 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 $3 million.
Additionally, request to authorize the City Manager, or his designee, to take all action deemed necessary to execute all utilities-related design and construction agreements, licenses, permits, and requests for utility services related to the development, design and construction of the project and to include disbursement of funds. Utility services include, but are not limited to: electrical, water, sewer, natural gas, telecommunication, cable television, railroads and other modes of transportation. This authorization excludes any transaction involving an interest in real property.
Report
Summary
The purpose of this project is to rehabilitate or replace 3.2 miles of existing 48-inch pre-stressed concrete cylinder transmission main extending from Orangewood Avenue and 20th Street north to 26th Street and East Shea Boulevard within the existing alignment. This project will first evaluate available rehabilitation and replacement options and technology prior to commencing design of the selected option. Project design will be dictated by the chosen rehabilitation or replacement option.
Wilson's services include, but are not limited to: investigating and identifying rehabilitation and replacement options for 3.2 miles of 48 inch pre-stressed concrete cylinder pipeline; provide construction documents and specifications for the selected rehabilitation or replacement design; conduct an alignment study to confirm feasibility and suitability of proposed pre-stressed concrete cylinder pipeline rehabilitation access locations and develop preliminary maintenance of plant operations plans for pipeline shutdown and recharge.
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: Wilson Engineers, LLC
Additional Proposers
Rank 2: Black & Veatch Corporation
Rank 3: Dibble & Associates Consulting Engineers, Inc. dba Dibble Engineering
Contract Term
The term of the agreement is three 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 Wilson Engineers, LLC will not exceed $3 million, 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.
Location
Orangewood Avenue and 20th Street north to 26th Street and East Shea Boulevard
Council Districts: 3 and 6
Department
Responsible Department
This item is submitted by Deputy City Managers Karen Peters and Mario Paniagua, the Water Services Department, and the City Engineer.