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WATER & SEWER COMPARISON <br />ONE BROADWAY PLAZA <br />SANTA ANA, CALIFORNIA <br />III. PROPOSED REVISED ENTITLED CONDITION <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 />WATER SERVICE <br />Land Use <br />Unit Water <br />Project DU, capita or <br />Daily water Usage <br />Demand Factor <br />Square Footage(gpd) <br />Offices Commercial <br />0.09gpd/sf (') <br />259,002 sf <br />23,311 <br />Apartments (High -Rise <br />110 gpd/capita (2) <br />440 capita (3) <br />48,400 <br />Residential — 415 Apartments <br />Total Proposed Revised <br />Entitled Water Demand <br />71,711 <br />Total Current Entitled Water Flow <br />46,621 <br />Project Net Water Demand Proposed -Current <br />+ 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 />As shown above, the proposed revised entitlements daily water demand is estimated to <br />be approximately 71,711 gallons per day (gpd). <br />WASTEWATER SERVICE <br />Total Peak <br />Unit Water <br />Project DU, <br />Total Average <br />Flow <br />Land Use <br />Demand Factor (1) <br />capita or Square <br />Wastewater <br />Wastewater <br />Footage <br />Generation (gpd) <br />Generation <br />cfs (2) <br />Offices (Commercial) <br />0.0765 gpd/sf <br />259,002 sf <br />19,814 gpd <br />0.09 cfs <br />Apartments (Residential) <br />127.5gpd/unit <br />415 units <br />52,913 gpd <br />0.25 cfs <br />Total Proposed <br />Revised Entitled Wastewater Demand <br />72,727 gpd <br />0.34cfs <br />Total Current Entitled Wastewater Flow <br />39,628gpd <br />0.18 cfs <br />Project Net Wastewater Flow Proposed -Current <br />+ 33,099 gpd <br />I + 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 />As shown above, the proposed revised entitlements average sewer flow is estimated to <br />be approximately 72,727 gallons per day (gpd). <br />3 <br />