Board of Public Utilities
Contract Review Subcommittee
April 28, 2022
Jason Roberts, PE
Supervising Engineer, Capital Projects Engineering
1 Construction
Contract Award
C00284 – Laguna Treatment Plant
Disinfection Improvements Project
2 • Project Purpose
• Timeline Since Fall of 2021
• Issuance for Bid and Bid
Period Details
• Review of Bids Received
• Identification of Low Bidder
• Impacts and Schedule
• Recommendation
Presentation Outline
Flow
Equalization
To Reuse
3 • Aged and de-rated UV
disinfection system
• New UV system capable of
treating up to 67M gallons
per day
• Hypochlorite facility
replacement
• New effluent diversion
facility and stormwater
pump station
• New trailer for LTP staff
Project Purpose
Flow
Equalization
To Reuse
4 UV Equipment Procurement:
• September 2021 – Best and Final Price
received from De Nora
• Sept – Dec 2021: City staff negotiated with
De Nora a Best and Final Price to include
increased steel prices totaling $288,791.28
• December 1, 2021: Best and Final Offer
letter received from De Nora to include
increased price of steel and new Final Price
of $5,923,491.28 for the UV System
• December 16, 2021: BPU approved a
Second Amended and Restated MOU with
De Nora
• This approval allowed design to be finalized
and bid documents to be prepared
Timeline Since Fall of 2021
De Nora UV Technologies
5 • Invitation for Bids was issued on
January 28, 2022, with a bid open
date of March 29, 2022.
• Engineer’s Estimate: $50M - $60M
• Two Mandatory Pre-Bid meetings
were held.
• Five contract Addenda were issued
• Contract based on MasterFormat
Invitation for Bids and Bid
Period Details
6 • Four bids were received on March 29, 2022.
• Shimmick: $68,109,000
• Overaa: $71,987,000
• Mountain Cascade: $78,720,033
• Ranger Pipelines: $79,181,414
• Design and Construction Management team
verified that Shimmick was responsive and
responsible
• Notice of Intent to Award was issued on April
13, 2022.
Identification of Low Bidder
+
7 • Fiscal Impact
• Funding was appropriated with the fiscal year 2021-22 CIP budget and mid-year appropriations by City Council.
• Environmental Impact
• The proposed improvements are covered under the Amended Incremental Recycled Water Program (IRWP) EIR approved by the Board on November 19, 2020.
• Schedule
• April 28, 2022: Contract Review Subcommittee
• May 5, 2022: BPU Contract Award
• May 2022: Notice to Proceed
• January 2025: Anticipated project completion
Impacts and Schedule
8 It is recommended by the Transportation and Public
Works Department and the Water Department that
the Contract Review Subcommittee recommend to
the full Board of Public Utilities award of
construction contract C00284 – Laguna Treatment
Plant Disinfection Improvements Project to the
lowest responsive bidder, Shimmick Construction
Company, in the amount of $68,109,000, approve a
10% contingency, and authorize a total contract
amount of $74,919,900.
Recommendation
9 Thank You!
Flow
Equalization
To Reuse