Title
Small Diameter Sanitary Sewer Rehabilitation Program - Construction Administration and Inspection Services - WS90500118 (Ordinance S-44298)
Description
Request to authorize the City Manager, or his designee, to enter into an agreement with Dibble Associates Consulting Engineers, Inc., to provide construction administration and inspection (CA&I) services for the Small Diameter Sanitary Sewer Rehabilitation Program. The fee for services will not exceed $5,400,000. Further request authorization to execute amendments to the contract as necessary within the Council-approved expenditure authority as provided below, and for the City Controller to disburse all funds related to this item.
Additionally, request authorization for the City Manager, or his designee, to take all action as deemed necessary to execute all utilities-related design and construction agreements, licenses, permits, and request for utility services relating 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, telecommunications, cable television, railroads, and other modes of transportation. This authorization excludes any transaction involving an interest in real property.
Report
Summary
The Small Diameter Sanitary Sewer Rehabilitation Program rehabilitates deteriorated and older sanitary sewers 15-inches in diameter or less in the City of Phoenix wastewater collection system. Rehabilitation primarily includes installation of structural cured-in-place-pipe (CIPP) in existing sewers. Small diameter sewers are normally vitrified clay pipe eight to 15 inches in diameter and make up more than 4,200 of the 5,000 miles of sewers in the City of Phoenix wastewater collection system. The oldest sewers in the system are more than 100 years old. The rehabilitation program work includes multiple locations within the City of Phoenix rights-of-way and easements.
Dibble Associates Consulting Engineers, Inc.'s CA&I services include, but are not limited to: providing oversight of project construction activities, inspecting sites through various stages of construction, reviewing contractor work submittals, and performing field inspections where required for completed repairs.
Procurement Information
Dibble Associates Consulting Engineers, Inc., was chosen for this project using a qualifications-based selection process according to Section 34-603 of the Arizona Revised Statutes (A.R.S.). Pursuant to A.R.S. Title 34, the City is not to release the scoring of proposers until a contract has been awarded. Four firms submitted proposals. The top three rankings follow:
Dibble Associates Consulting Engineers, Inc.: Ranked 1
Project Engineering Consultants: Ranked 2
Consultant Engineering, Inc.: Ranked 3
Contract Term
The term of the contract is for three years, with one two-year option to extend the contract. Contract work scope identified and incorporated into the contract prior to the end of the contract term may be agreed to by both 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
The total fee for contract services will not exceed $5,400,000, including all subconsultant and reimbursable costs. Staff will execute the initial contract for CA&I services for a fee not to exceed $3,720,000, including all subconsultant and reimbursable costs. Contract amendments may be executed for CA&I services or other contract services totaling an amount not to exceed the remaining $1,680,000, and will be reviewed and approved separately by the Budget and Research Department.
Funding is available in the Water Services Department's Capital Improvement Program budget. Contract payments may be made up to contract limits for all rendered contract services, which may extend past the contract termination.
Department
Responsible Department
This item is submitted by Deputy City Managers Karen Peters and Mario Paniagua, the Water Services Department, and the City Engineer.