WATER USAGE ESTIMATING CHARTS

1 APARTMENTS (Est. people per apartment @ 50 gal. per person)NUMBER OF APARTMENTS5101520304050 Total WATER USAGE ( )7501,5002,5003,0004,5006,0007,500 Estimated Total Flow (gpm) - Flush Valves53708595115133150 Estimated Total Flow (gpm) - Flush Tanks253850577390105 Hot & Cold - Toilets Bypassed ( )3909601,3501,8002,7003,6004,500 Estimated Hot & Cold Flow (gpm)18283745556575 Hot WATER Only ( )2505007501,0001,5002,0002,500 Estimated Hot Flow (gpm)14243038475562 MOTELS & TRAILER PARKS (Est. 2-1/2 people per unit @ 40 gal. per people)NUMBER OF UNITS255075100200300400 Total WATER USAGE ( )2,5005,0007,50010,00020,00030,00040,000 Estimated Total Flow (gpm) - Flush Valves100135165195305405475 Estimated Total Flow (gpm) - Flush Tanks5585115145225305375 Hot & Cold - Toilets Bypassed ( )1,2502,5003,7505,00010,00015,00020,000 Estimated Hot & Cold Flow (gpm)3755708514595235 Hot WATER Only ( )8501,7002,5003,3506,70010,00013,400 Estimated Hot Flow (gpm)30476070115157195 SCHOOLS (Est.)

2 25 per Student). SEE "FLOW RATE ESTIMATING chart " on page 2 for flow (gpm).NUMBER OF UNITS1002003004006008001,000 Total WATER USAGE ( )2,5005,0007,50010,00015,00020,00025,000 Hot & Cold - Toilets Bypassed ( )1,5003,0004,5006,0009,00012,00015,000 Estimated Hot & Cold Flow (gpm)8301,7002,5003,3005,0006,7008,300 See FLOW RATE for flow (gpm).Total WATER Usage8 Prep. OnlyNational average WATER USAGE for hospitals is(Hot & Cold)3 per Prep. Only (Hot)1-1/2 hospital for more accurate Bar Facilities2 Obtain capacity (lbs.) from customerFORMULA A: Capacity (lbs.) x 2-1/2 = Gallons/Cycle or table found Calculate USAGE ( ) andFORMULA B: Capacity (lbs.) FLOW RATE (gpm from2 = Flow Rate (gpm) formulas A & (In.) Capacity(lbs.) Size (In.)Size (In.)Size (In.)30 x 162536 x 4242 x 9644 x 12624 x 364836 x 5442 x 10848 x 8430 x 306042 x 4242 x 12648 x 9630 x 367042 x 4844 x 5448 x 12030 x 428042 x 5444 x 6448 x 12630 x 489542 x 6444 x 7254 x 8436 x 609042 x 7244 x 4854 x 9636 x 3611042 x 8444 x 9660 x 9668053546057590068060071524551045040044 0385330300200175165125350300265225 COMMERCIALCLOTHESWASHERWATER USAGE ESTIMATING CHARTSFor WATER Treatment EquipmentRESTAURANTSHOSPITALSC apacity (lbs.)

3 ClothesCapacity (lbs.)ClothesCapacity (lbs.)Clothes1 The following information has been prepared as a guide for ESTIMATING maximum flow rates for private and publicbuildings. The numbers assigned the various fixtures are based on a combination of flow rate and probability of -PUBLIC-1224--10243----11212356624121124 Sink; Service (Janitor's)24 Sink or Dishwasher24 Sink (flushing rim, clinic)--10 Sink (Wash-up, each set of fixtures)--2 Sink (Circular Spray)--4 Urinal (Wall or Stall)--5 Urinal (Flush Tank)--3 WATER Closet: Flushometer Valve610* Tank Type35**Double this amount for schoolsINSTRUCTIONS FOR USE1. Count and total the number of each type of fixture to be serviced by the WATER Multiply the number of each type of fixture by the UNIT COUNT given in the "Fixture Unit Table."PRIVATE --motelsPUBLIC -- office buildingsapartment buildinghospitalstrailer parkscountry clubsgroup of homesschools3. Find the total FIXTURE COUNT by adding up the values found in step Using the correct table on page 3, find the FIXTURE COUNT closest to the calculated value.

4 The figure given in the right-hand column is the approximate maximum gpm : TYPE Closet ( )8x10=80 Shower10x4=40 Lavatory15x2=30=150= 80 GPMW ater supply outlets for items not listed above shall be computed at their max demand, but in no case less than the following:122436610 Total FIXTURE UNIT COUNT 1 - inch pipe3/4 - inch pipe1/2 - inch pipe3/4 - inch pipeCombination Sink & TrayShowerLawn SprinklerLavatoryLaundry Tub or WasherHouse Trailer (each)House Bibb or Sill Cock (Std. type)Drinking FountainDental LavatoryDental Unit or CuspidorFLOW RATE ESTIMATING CHARTFor WATER Treatment EquipmentTYPE OF FIXTUREB idetBedpan WasherBathtubBar Sink2 NOTE:FOR SYSTEMS USING "HOT ONLY", COUNT ONLY THOSE FIXTURES USING HOT WATER /USE 75% OF THETOTAL FIXTURE COUNT AS THE VALUE FOR SELECTING THE PROPER FLOW RATE (GPM).Based on Western Plumbing Officials UNIFORM PLUMBING CODE and the NATIONAL PLUMBING COUNT TABLES A & B150951001101208590372875802013--4765708 --60754550556025303540510152040005000901 1028503000125150247526751701952100227522 0250175019253003501400157542547510751250 5506258509256257007508008759507007751075 1250300325350375425475525575200225250275 1001251501754055708571220304204405306003 4036038040026028030032019020022024015016 0170180110120130140859095100657075804550 55602530354051015201925175015751400 VALVE WATER closetsfor use with FLUSHOMETERTABLE AFIXTURE COUNTRATE (GPM)PEAK FLOWTABLE Bfor use with TANK TYPE WATER closetsRATE (GPM)

5 PEAK FLOWFIXTURE COUNT----5000400030002850267524752275210 0180190200220240260280300320340360380600 4004204405303 Assembly Halls2 Service OperationApartment Buildings150-200 Average Restaurant70 Shops55 24 Hour Restaurant100 Salons270 Curb Service50 spaceBowling Alleys75 Tavern20 Day (no meals)15 gpd/sq. ft. Resorts (day & night with50 limited plumbing)Institutions Tourists (with central bath35 Hospitals250 Rest Homes100 Club per resident member100 per non-resident member25 Coin ft. gpd/sq. Halls2 gpd/sq. sales areaOffice Building20 (excluding process WATER ) Boarding80 without shower25 Day (with Cafeteria, gym25 with shower35 and showers) Day (with Cafeteria only)20 Day (no Cafeteria or gym)15 Cow, Beef12 Cow, Dairy20 Stations1,000 bay Goat 2 '1 bay Hog 4 or estimate10 Horse12 Mule12 gpd/sq.)

6 Ft. Sheep 2 Steer12 rm. Chickens - per 10010 Turkeys - per 100 18 Drive-In5 space Movie2 Parks100 USAGE ESTIMATING CHARTSFor WATER Treatment Equipmentwater consumption where meter readings are not chart should be used as a guide for ESTIMATING daily and toilet facilities) WATER USAGEFACILITYWATER USAGEFACILITY4