Title
Steel Tank Rehabilitation Program Construction Administration and Inspection Services, Contract Amendments (Ordinance S-43877)
Description
Request the City Manager, or his designee, to execute amendments to Contract 143523 with HDR Engineering, Inc., for additional construction administration and inspection services for the Steel Tank Rehabilitation Program Group I and J projects. Further request authorization for the City Controller to disburse all funds related to this item.
Report
Summary
There are 43 steel tanks located across 35 different sites serving as potable water storage/pressure surge protection facilities within the City's water production and distribution system. A program has been established to assess and rehabilitate these steel tanks to prevent deterioration over time based on their coating, structural, and site conditions.
HDR Engineering, Inc., will provide construction administration and inspection services for Group I at North Mountain (3A-ES2); Lower Mineral (2S-ES1); and Well 290 (7A-GS1); and for Group J at Tramanto (7B-ES1) and Well 235 West (3C-GS1-2). Services will include, but are not limited to: reviewing shop drawings, issuing interpretations and clarifications, certifying contractor progress payments, conducting inspections, and preparing reports for each tank rehabilitated.
Procurement Information
HDR Engineering, Inc., was selected for this project through a qualifications-based selection process according to Title 34 of the Arizona Revised Statutes. The City and HDR Engineering, Inc., entered into Contract 143523 on Oct. 5, 2016.
Contract Term
The term of this contract will be extended to coincide with the duration of construction for Projects I and J, which is expected to be completed within two years. 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 for work in progress. No additional contract work scope changes may be executed after the end of the contract term.
Financial Impact
HDR Engineering, Inc.'s fee for the additional Group I and J services will not exceed $705,787, including all subconsultant and reimbursable costs. Group I and J services are funded at not to exceed amounts of $355,787 in FY2018 and $350,000 in FY2019, respectively. Funding for these services 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 end date.
Previous Council Action
City Council approved Contract 143523 on Aug. 31, 2016.
Location
The five water storage tanks are located in the areas of Peoria Ave. and 7th St. (3A-ES2); 7th St. and Dobbins Rd. (2S-ES1); Jomax Rd. and 40th St. (7A-GS1); 19th Ave. and Carefree Hwy. (7B-ES1), and Invergordon Rd. and Doubletree Ranch Rd. (3C-GS1-2).
Council Districts: 2, 3, and 8
Department
Responsible Department
This item is submitted by Deputy City Managers Karen Peters and Mario Paniagua, the Water Services Department, and the City Engineer.