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Page 1 of 3 Lisa Medina [EH] From: sunnyroseinnovations [info@sunnyroseinnovations.com] Sent: Friday, September 01, 2006 8:00 PM To: Lisa Medina [EH] Subject: Fw: septic/water reguirements Hello David Welch, here are our water calculations. sunnyrose. 50 months of use = June 17/04 - Aug. 17/06. or 790 days. we put in 3 water meters. west meter= 2 toilets. x 1 .6 gp flush. and 2 bathroom hand wash sinks at .1 gal per flush use? I believe urinals are more efficient? what is the gal. flush rating on those? we could take our usage even lower this way. we propose 2 urinals in the new facility. this meter used 40,890 gals or 51. 75 gals per day into the septic field. 51 .75 divided by 1 .7 per flush = 30.44 people/uses per day. middle meter = off site water. soda, coffee, etc this had 26,240 or 33.215 gp day. we do not allocate this meter and ignore it for septic purposes this is for info only. east meter= grease trap... this unit also has the swamp cooler hooked up to it. unfortunately the swamp cooler should have been hooked up to the off site water meter or the middle meter. we will subtract the calculated usage off the actual usage as swamp cooler water never goes to a drain but into the air for cooling purposes. this meter reads 288,900 gals... or 365 gpd. this meter is for the washing machine, hand wash sink, veggie sink, 3 comp. sink, dish washer, hand dips, mop sink, h.w. tank and as mentioned swamp cooler. the swamp cooler runs together with the hood fan req. by ca. state law. we calculate 4:30 am till 6:30 pm or 14 hrs per day. @ 7500 cfm this unit draws 20.2 gp h. or 282.8 gals p/day. we subtract 282.2 from 365 and get 82.2 q is per day going to the field. total septic/grease trap usage = 51. 75 gals + 82.2 gals = 133.95 our last nitrate loading study shows our usage was going to be 732 gals per day...-o). are we ever glad we put in water meters...;o)...:o) our next building will use the same human work force. we will move everyone from 9'5/'006