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HomeMy WebLinkAboutP2-98 Award PDSA July 2016 Ops Mtg 50 "''� �''� *• `' •� :'! `` �y �}'� <<1s,►.tiff rimary reatment Rehabilitatio a �a �r 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 S • 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 Ab- i Al - - .� u Project Elements ' A-Side Clarifiers Constructed 1960 - 1963 Replace end of Life 6-Side Clarifiers Constructed 1967 1971 Complete rehabilitation required Ij C-Side Clarifiers R- --�.�...• • Constructed 1972 - 1985 • - ` Complete rehabilitation required North and South Scrubbers Replace with centralized system Z_ Z ,o s ,1� r Power distribution Replace with upgraded system dD Project . . . - 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 p; A a Project ProjelConstruction Cost 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 p; A a Recommendation • Approve a Professional Design Services Agreement with Black & Veatch for the amount of $ 18, 141,423 . • Approve a contingency of $ 1,814, 142 .