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  ITEM 4.       
Meeting Date: 10/13/2020  
Submitted For: Craig Johnson
Department: Water Services  

Subject
AUTHORIZATION TO ENTER INTO A CONSTRUCTION MANAGER AT RISK AGREEMENT WITH PCL CONSTRUCTION, INC. FOR PROCESS IMPROVEMENTS AND BOOSTER PUMP STATIONS IMPROVEMENTS (GMP3) AT THE CHOLLA WATER TREATMENT PLANT
Presented by: Craig Johnson, P.E., Director, Water Services
Purpose and Recommended Action
This is a request for City Council to authorize the City Manager to enter into a Construction Manager at Risk Agreement with PCL Construction, Inc. (PCL) in an amount not to exceed $6,059,645 Guaranteed Maximum Price (GMP3) for Cholla Water Treatment Plant (CWTP) Improvements.
Background
The Cholla Water Treatment Plant (CWTP) was built in 1978 to treat raw water from the Salt River Project via the Arizona Canal and is one of the City’s key facilities which provides reliable and safe drinking water to the community.  The plant has a treatment capacity of 30 Million Gallons Per Day and supplies water to over half of the City.  As with all water treatment facilities, there is periodic need to evaluate and rehabilitate current treatment systems to ensure the infrastructure is reliable and in good working condition. 
 
In 2016, a condition assessment on major treatment systems equipment and booster stations was performed by Black & Veatch Corporation (B&V) and HDR Engineering, Inc. (HDR), respectively, and improvements on the plant and booster stations were recommended. The City entered into contracts with B&V and HDR to provide engineering design and construction administration services for plant process and booster stations improvements to ensure plant and system operation resilience, reliability, and redundancy.  PCL provided pre-construction services during the design phase.
 
Analysis
The CWTP Improvements are divided into GMP1, GMP2 and GMP3. GMP1 is completed and included reservoir no. 1 inspection, reservoir no. 2 rehabilitation, splitter box modification, underground piping system construction, and electrical duct bank installation.  GMP2 includes reservoir no. 1 rehabilitation, pumps at the zone 1a, 1b, and 2 booster stations rehabilitation, chemical metering pumps replacement, new switchgear and standby generator installation, programmable logic controller and uninterrupted power supply replacements, and site improvements. GMP3 is expected to begin November 2020 and will include electrical, mechanical, control room, supervisory control and data acquisition (SCADA), security, and interior improvements at the administration building; and plant equipment and system improvements at pre-sedimentation basin, final sedimentation basins, flocculation basins, cathodic protection system upgrades, and other miscellaneous improvements. 
 
Previous Related Council Action
On June 11, 2019, Council authorized the City Manager to enter into Amendment No. 3 to the Professional Services Agreement with HDR for Phase IV construction administration and inspection services for the booster pump stations and administration building improvements at the Cholla Water Treatment Plant.
  
On June 26, 2018, Council authorized the City Manager to enter into Amendment No. 2 of the Professional Services Agreement with B&V for Phase 3 construction administration services for improvements at the Cholla Water Treatment Plant.
 
On October 23, 2018, Council authorized the City Manager to enter into Amendment No. 2 to the Professional Services Agreement with HDR for Phase III construction administration services for process and booster pump stations improvements at the Cholla Water Treatment Plant.
 
On October 23, 2018, Council approved a Construction Manager At Risk Agreement with PCL for process and booster pump stations improvements (GMP2) at the Cholla Water Treatment Plant.
 
On April 24, 2018, Council approved a Construction Manager at Risk agreement with PCL for GMP1 construction services for process and booster pump stations improvements at the Cholla Water Treatment Plant.
 
On February 27, 2018, Council approved a Construction Manager At Risk agreement with PCL for pre-construction services for process and booster pump stations improvements at the Cholla Water Treatment Plant.
 
On December 6, 2016, Council approved Amendment No. 1 to the Professional Services Agreement with B&V for Phase 2 design services for process improvements at the Cholla Water Treatment Plant.
 
On December 6, 2016, Council approved Amendment No. 1 to the Professional Services Agreement with HDR for Phase 2 design services for the booster pump stations and administration building improvements at the Cholla Water Treatment Plant.
On August 25, 2015, Council approved a Professional Services Agreement with HDR to provide condition assessment of the booster pump stations and administration building at the Cholla Water Treatment Plant. 
 
On January 13, 2015, Council authorized the City Manager to enter into an agreement with B&V to provide a condition assessment of the Cholla Water Treatment Plant existing condition and recommend improvements. 





 
Community Benefit/Public Involvement
Benefits of the improvement project include maintaining the integrity and operation of the water treatment plant, enhancing the system reliability and resilience, minimizing service interruptions and ensuring continued compliance with regulatory requirements.

Fiscal Impact
Fiscal Year: FY2020-21
Fiscal Year Amount Requested: $2,500,000
Budgeted Y/N?: Y
Account: 60204527-550100
Transfer Required? Y/N: N
If Yes, what account will be used?:
Budget and Financial Impacts:
Funding is available in the Water Services Department FY2020-21 Capital Improvement Plan (CIP) under the project Cholla Water Treatment Plant Improvements CIPWA61024. Since the 2016 assessment, additional rehabilitation has been identified. Expenditures beyond the fiscal year are contingent upon Council budget approval.  The following table shows the total budget for FY21:
 
CIPWA61024 FY21
Budget $10,040,640
Previously Approved by Council ($7,078,152)
Amendment #4 HDR (10/13) ($150,000)
Amendment #3 B&V (10/13) ($300,000)
PCL Contract (10/13) ($2,500,000)
Remaining Budget $12,488
 
 
Attachments
PCL Agreement


    

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