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� 4 a <br /> Spainos Property Page 2 <br /> Our Project!Number: LGS090501 <br /> April 14,2009 <br /> k <br /> Five (5) commercial/retail buildings are proposed for the site, ranging from 3,300 to 21.,000 <br /> square feet. Bach of the buildings will have an estimated one to two (1 to 2) employees and <br /> 227 parking spaces available for clientele. <br /> Our office conducted a recent review at the San Joaquin Public Utilities Department in Stockton <br /> of the annual water meter readings from several local commercial businesses which are similar <br /> to the proposed facilities on the Site. The rates presented from the references provide general <br /> guidance but do not always reflect a match in usage. Careful examination, professional <br /> judgment, and experience are necessary to select a reasonable flow rate estimate. <br /> The small hotels were contacted for veriflicatlon of annual occupancy during the time period of <br /> the collected water records. The hotels reported an average of 25 percent occupancy; therefore <br /> the average number for the proposed hotel on site has been modified to reflect these <br /> circumstances. Please see below calculation: <br /> Total Average Daily Flow Expected frc!m PrQnQsed Can Site Hotel-.,, <br /> (Based on local small hotel water records) <br /> 57 room hotel = 595 gallons per day(25°ib usage) x 4 = 2,350 gpd(100916 usage)/57 rooms <br /> = 42 gallons per room per day <br /> 51 room hotel - 345 gallons per day(25% usage)x 4 = 1,350 gpd(100016 usage)/51 rooms <br /> = 27 gallons per room per day <br /> 42 gpd/room + 27 gpd/room = 69/2 = average gpd/room = 35 gpd/roam <br /> 35 gpd/room x 60 proposed rooms for hotel on site = 2,100 total average gallons per day <br /> Please note that the summer month flow meter readings have been subtracted from the annual <br /> average to deduct the water associated with irrigation on site, (water which does not enter the <br /> septic system). These flow numbers should not be used for septic system design purposes. <br /> Typically, use estimates for the sizing of septic systems include a peak use factor, whereas the <br /> numbers discussed here are based on long-term averages. <br /> Table 1. <br /> Estimated uanti of Wastewater from ical Pro"ects <br /> Number of Total <br /> Commercial Facility Average pally Units Average <br /> Flow (gal) on site Daily Flow <br /> Gallons <br /> Small Hotel 60 rooms 2 J00 pd x.1 = 2,100 <br /> Office Building 100 gpd X5 = 500 <br /> Cas Station 400 d x 1 = 400 <br /> Short Order Restaurant 350 gpd x 3 = 1,050 <br /> Long Term Average Daily Flow 4,050 galloris_per day <br /> from Proppeed Site <br /> I <br /> 902 Industrial Woy.Lodi,CA 95240 2D9,367.3701 Fax 209.369.4228 02007 Nell 0.Anderson<&Asaoclata,Inc <br /> f <br /> l <br />