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Home My WebLink AboutPotawatomi Facility Overview 2022-11-21Counsilman-Hunsaker •50+ Years of Aquatic Engineering & Design •Core Services •Feasibility Studies •Facility Audits •Design Services •Aquatic Operations •Web-Apps •Market Sectors •K-12 & Higher Education •Parks & Recreation •Waterparks •Hospitality •Wellness •Office Locations •St. Louis, MO •Dallas, TX •Denver, CO •Ann Arbor, MI •San Diego, CA Architectural –Functionality & Support Spaces •ADA Accessibility •Family Changing •Finishes •Deck •Security Pool Structure & Finish •Dive Pool •Fair to satisfactory condition with no significant cracking or spalling •Liner delamination •Lap Pool •Very poor condition at base slab with widespread and extensive cracking •Cracks in the slab have extended up into the pool shell walls in approximately 7 locations •Cracking has continued to progress and interconnect, forming a spiderweb of cracks across nearly the entire bottom surface •Prior surface patches in the concrete base slab have failed with vertical separation/heaving noted at nearly all repairs. Existing concrete under failed surface patching was found to be heavily delaminated Field Documentation 9/26/22 Short-Term Repair Option Explored •Full / Partial slab removal with patching •Geofoam interstitial layer below partial new floor slab at 3.5-4.0 feet deep •Short-Term Repair Costs to Re-Open: $2.0m •Labor availability •Limited life expectancy compared to new construction •Long-Term Repairs for Total Renovation: $5.7m Pool Piping & Water Loss •14,000 gallons / day •Buried cast iron piping and fittings original to 1955 construction transitions to PVC once in the basement mechanical room •No visible signs of settling or subsurface issues •Piping undersized based on current code, especially for perimeter overflow Code & Safety Compliance •ADA passed in 2010 covers accessibility to new and existing pools •Virginia Graeme Baker Pool & Spa Safety Act passed in 2007 for drain covers •Minimum water depth for diving Pool Mechanical & Chemical Treatment Systems •Vertical sand filtration –1996 •Manufacturer no longer in business •Unaware of last media change •Filtration rate of 19.5 GPM/SF •No redundancy for pump recirculation with deteriorated pipe connections and strainer •Chemicals stored in office space •Chemical closet empty and lacks proper fire rating for storage enclosure