8b. Presentation
Water Reservation Rehabilitation Project at SEA
Item No. 8b_supp Meeting Date: May 24, 2022 Water Reservoir Rehabilitation Commission Presentation May 24, 2022 Project Location & Justification Project Scope Replacement of interior and exterior coatings, and several other surfaces Cathodic protection system improvements Rebuild interior and exterior access ladder to meet safety codes Replace hardware including nuts, bolts, cables, and pulleys Install tank sampling ports Valve vault drain line improvements Cleaning/Removing vegetation between the pavement joints and around the perimeter of the concrete foundation Repairing broken concrete curb around the base of the water reservoir Existing Conditions Significant rust on interior tank surfaces Bubbling/failing of interior coating Existing Conditions Significant rust on interior tank surfaces Existing Conditions Cap Vent Telemetry boxes Moderate rust needs removal Deteriorated coating Existing Conditions Access Manway Outlet Pipe Rusted nuts & bolts need replacement Deteriorating coating, rusted nuts & bolts Existing Conditions Vegetation around perimeter of reservoir Damaged concrete curb Risks = High = Medium = Low Risk Impact Probability Mitigation Plan Application of reservoir coatings may be Work with the design team to understand the proper time sensitive weather conditions the coatings should be applied in and phase the work accordingly. Encountering lead or asbestos containing Conduct a Good Faith Survey materials Labor and material shortages, and supply Work with design team to anticipate any long lead chain issues as a result of COVID-19 items Project Cost and Schedule Cost Breakdown This Request Total Project Design Phase $1,000,000 $1,150,000 Construction Phase $0 $2,019,000 Total Project $1,000,000 $3,169,000 We are here Schedule Design Start Q2, 2022 Construction Start: Q4, 2023 Project in Use: Q3 2024 10
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