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<br />WATER & SEWER COMPARISON <br /> ONE BROADWAY PLAZA <br />SANTA ANA, CALIFORNIA <br /> <br />3 <br />III. PROPOSED REVISED ENTITLED CONDITION <br /> <br />The proposed revised entitled project consists of a mixed-use high-rise with offices & <br />executive office suits and various other uses along with residential apartments. The <br />section below describes the proposed revised entitled project’s demand for domestic <br />water and wastewater service. <br /> <br />WATER SERVICE <br /> <br />Land Use Unit Water <br />Demand Factor <br />Project DU, capita or <br />Square Footage <br />Daily water Usage <br />(gpd) <br />Offices (Commercial) 0.09 gpd/sf (1) 259,002 sf 23,311 <br />Apartments (High-Rise <br />Residential) – 415 Apartments 110 gpd/capita (2) 440 capita (3) 48,400 <br />Total Proposed Revised Entitled Water Demand 71,711 <br />Total Current Entitled Water Flow (46,621) <br />Project Net Water Demand (Proposed-Current) + 25,090 <br />Notes: <br />(1) Unit Water Demand Factor was taken from the City of Santa Ana Transit Zoning Code EIR (0.09 gpd/sf) <br />(2) Unit Water Demand Factors was taken from the City of Santa Ana Water and Sewer Design Guidelines (110 gpd/capita) <br />(3) Capacity was assumed at 1 person per bedroom (440 capita) for the 415 apartments <br /> <br />As shown above, the proposed revised entitlements daily water demand is estimated to <br />be approximately 71,711 gallons per day (gpd). <br /> <br />WASTEWATER SERVICE <br /> <br />Land Use Unit Water <br />Demand Factor (1) <br />Project DU, <br />capita or Square <br />Footage <br />Total Average <br />Wastewater <br />Generation (gpd) <br />Total Peak <br />Flow <br />Wastewater <br />Generation <br />(cfs) (2) <br />Offices (Commercial) 0.0765 gpd/sf 259,002 sf 19,814 gpd 0.09 cfs <br />Apartments (Residential) 127.5 gpd/unit 415 units 52,913 gpd 0.25 cfs <br />Total Proposed Revised Entitled Wastewater Demand 72,727 gpd 0.34cfs <br />Total Current Entitled Wastewater Flow (39,628) gpd (0.18) cfs <br />Project Net Wastewater Flow (Proposed-Current) + 33,099 gpd + 0.16 cfs <br />Notes: <br />(1) Unit Water Demand Factor was taken from the City of Santa Ana Transit Zoning Code EIR (0.0765 gpd/sf & 127.5 gpd/unit) <br />(2) Peak Flow = 3* Average Daily Flow <br /> <br /> <br /> <br />As shown above, the proposed revised entitlements average sewer flow is estimated to <br />be approximately 72,727 gallons per day (gpd). <br /> <br />5 - 268