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359 QUAKER ROAD - DENTAL OFFICE DETERMINE PEAK INSTANTANEOUS WATER DEMAND TO BE USED IN SIZING THE PROPOSED WATER SERVICE TO THE DENTAL OFFICE (Information based on 2025 Plumbing Code of NYS & 2025 Residential Code of NYS) Type and Number of Fixtures Private Water Service Dental Clothes Location Lavatory Closet Sink Chair Washer Dental Chairs 7 Staff Lounge 1 Restroom 4 4 Laboratory 1 Sterilization 1 Laundry 1 Total Fixture Count by Type = 4 4 3 7 1 Water Demand, gpm/fixture type = 0.8 3 3 1.5 4 Water Demand, gpm = 3.2 12 9 10.5 4 Total Peak Water Demand, gpm = 38.7 Check Total Water Demand Based on Water Supply Fixture Unit Loads Water Supply Fixture Unit Load (w.s.f.u.) = 0.7 2.2 1.4 2 1.4 WSUL for all Fixtures = 2.8 8.8 4.2 14 1.4 = 31.2 w.s.f.u. Total Peak Water Demand, gpm = 24 (System with Predominantly Flush Tanks) Total Peak Water Demand, gpm = 42 (System with Predominantly Flush Valves) Total Peak Water Demand, gpm = 42 <--- Use This To Size The Proposed Water Service To The Dental Office Building Note: Calculations are based on Concept Floor Plan, prepared by SUTTON ARCHITECTURE BY: J. SOBOL - GREENMAN-PEDERSEN, INC. DATE: 12/22/2025