Title
Booster Pump Station Rehabilitation and Replacement Project, Package 2 - Engineering Services - WS85100032 (Ordinance S-44580)
Description
Request to authorize the City Manager, or his designee, to enter into an agreement with Carollo Engineers, Inc. to provide engineering services, including design and possible construction administration and inspection (CA&I) services for the Booster Pump Station (BPS) Rehabilitation and Replacement project. 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. The fee for services will not exceed $1.2 million.
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 requests for utility services relating to 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 City assessed and ranked 108 Water distribution system BPSs and determined improvements will be completed over the next five to seven years at the 30 sites most in need of improvement. The first six of the sites to be improved have been divided into two packages that are being awarded to two separate engineering firms.
Package 1 consists of a complete rebuild of the following stations:
- BPS 6J-B1 (capacity 0.22 Million Gallons per Day [MGD] with three pumps), Lower Du Sommet.
- BPS 5N-B1 (capacity 0.043 MGD with two pumps), Upper Mount Central.
- BPS 7J-B1 (capacity 0.16 MGD with three pumps), Upper Du Sommet.
- BPS 10A-B1 (capacity 0.94 MGD with four pumps), Casa De Cielo.
Package 2 consists of the following stations and activities:
- BPS 5F-B2 (capacity 0.40 MGD with three pumps), Upper Coral Gables - complete rebuild of the station.
- BPS 5E-B4 (capacity 47.4 MGD with six pumps), Union Hills Water Treatment Plant - replace: two vertical turbine pumps, two silent check valves, four butterfly valves, two pump control valves, four Variable Frequency Drives (VFD), one Motor Control Center (MCC) per site, one Service Entrance Station (SES) per site, and air vacuum / release valves; and inspect the 54-inch header for possible rehabilitation or replacement.
Using the list of proposed improvements, Carollo Engineers, Inc. will work with the City Operations and Engineering staff to confirm required improvements. Water service will not be interrupted during construction.
Carollo Engineers, Inc.'s design services include, but are not limited to: developing conceptual design report and plans; reviewing as-built drawings; identifying all utility locations; conducting project-related workshops as needed; attending project-related design progress meetings; drafting Method of Plant Operations (MOPOs) for planned shutdowns, attending City shutdown operational meetings; designing and coordinating of the temporary power and BPS skid at the site; actively coordinating and communicating with contractors and City staff; reviewing cost models provided by the Construction Manager at Risk (CMAR); providing pre-construction services as required by the City that include but are not limited to, developing the bid schedule with the CMAR, attending the pre-bid and bid-opening meetings with the CMAR, issuing addendum and reviewing the Guaranteed Maximum Price proposal (GMP), providing services as needed for land survey, construction easements, drainage improvements, public relations, geotechnical engineer, etc., assisting the City in obtaining all necessary permits, and assisting the City with public outreach efforts as needed.
Carollo Engineers, Inc.'s CA&I services include, but are not limited to: administering the construction schedule, reviewing shop drawings and test results, issuing interpretations and clarifications, certifying contractor progress payments, conducting inspections, and providing post-construction services.
Procurement Information
Carollo Engineers, Inc., was selected for this project using a qualifications-based selection process according to section 34-604 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.
One procurement for design and possible CA&I services was conducted for Packages 1 and 2. Carollo Engineers, Inc. and GHD, Inc. ranked first and second, respectively, for the procurement. It was mutually agreed that Carollo Engineers, Inc. would be selected for Package 2 and GHD, Inc. would be selected for Package 1. Ten firms submitted proposals. Two firms were selected to be awarded contracts. The top four rankings follow:
Carollo Engineers, Inc.: Rank 1
GHD, Inc.: Rank 2
Brown and Caldwell, Inc.: Rank 3
Entellus, Inc.: Rank 4
Contract Term
The term of the contract is for 30 months after issuance of Notice to Proceed. 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
- Staff will execute the initial contract for design services for a fee not to exceed $600,000, including all subconsultants and reimbursable costs.
- Contract amendments may be executed for CA&I services or other contract services totaling an amount not to exceed the remaining $600,000, and will be reviewed and approved separately by the Budget and Research Department.
- Funding for the total $1.2 million, including all subconsultant and reimbursable costs, 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.
Location
- Upper Coral Gables, in the area of 15th Avenue and 15th Drive.
- Union Hills Water Treatment Plant, in the area of Deer Valley Drive and Cave Creek Road.
Council Districts: 2, 3
Department
Responsible Department
This item is submitted by Deputy City Managers Karen Peters and Mario Paniagua, the Water Services Department, and the City Engineer.