HomeMy WebLinkAbout96.Item 10 Presentation Operations Committee Meeting 07-06-2016.pdf Mm
Primary Treatment
Rehabilitation at Plant 2
Project Objectives
• Replace/rehabilitate Plant 2 primary treatment facilities
• Upgrade power system & associated infrastructure
• Improve odor treatment system
• Mitigate liquefaction/structural failure risks
• Ensure reliable performance and maintainability
• Provide cost effective facilities
• Maintain 24/7 operations during construction
Conceptual Study Findings
• New circular A-side Clarifiers (4 total )
• Rehabilitate B-side and C-side ( 10 total )
• New Power Building "E"
• New Central Odor Treatment
• New Solution Polymer Facilities
Project Elements
A-Side Clarifiers
Constructed 1960 - 1963
, ' •� Replace - end of Life
B-Side Clarifiers
r Constructed 1967 - 1971
Complete rehabilitation required
C-Side Clarifiers
� - —. , • :, .�r;q Constructed 1972 - 1985
Complete rehabilitation required
North and South Scrubbers
Replace with centralized system
V Power distribution
A Replace with upgraded system
ti :.t
Project Schedule
Preliminary Design (Entire Project) Aug 2016 1 year, 5 months Jan 2018
A-Side Clarifier Replacement* Feb 2018 5 years, 5 months Jul 2023
B&C Side Clarifier Rehabilitation* Jul 2020 8 years, 10 months May 2029
* Includes detailed final design, bid, and construction
Recommendation
• Approve a Professional Design Services Agreement with
Black & Veatch for the amount of $ 18, 141,423 .
• Approve a contingency of $ 1,814, 142 .
Mm
Primary Treatment
Rehabilitation at Plant 2
Project Budget
Project
� .
A-Side Replacement $142.8 Million
B&C Side Rehabilitation $126.4 Million
Total Construction Cost $269.2 Million
Total Project Budget $428.3 Million