8d Presentation P69 underdock utility replacement
Meeting Date: December 8, 2020 Item No.: 8d_Supp P69 Underdock Utility Replacement Design Funding Request (CIP #C801102) Pier 69 Underdock Utility Replacement Underdock utilities are approximately 30 years of age -- well exceeded the typical 20-year service life 2019 underdock utility condition assessment revealed some utilities are in poor to very poor condition Utilities of concerns: electrical power, communications, sanitary sewer, potable water, and fire protection water lines Proactively replacing the end-of-life underdock utilities would allow scheduled replacement and avoid the need to perform emergency repairs at a higher cost and prolonged operational impacts 2 Existing Underdock Utilities Sanitary Sewer Lines Corroded Electrical Equipment Corroded Electrical Conduits 3 Existing Underdock Utilities Galvanized Water Main T91 Potable Water Pipe with Similar Age to P69 Pipe 4 Existing Underdock Utilities ` Galvanized Water Main Corroded Sewer Lines and Hangers 5 Challenging Underdock Working Conditions Subject to Tides and Low Light Conditions 6 Schedule Commission Design Authorization Q4,2020 Final Design and Permitting Q4,2020 Q2, 2021 Construction Funding Authorization Q2, 2021 Construction Q3, 2021 Q1/Q2, 2022 7
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