Agenda - Council - 06/10/1997 - Laserfiche WebLink

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· I 4. The quantity o£ effluent delivered for eac].U pump cyc]e shall be no greater tbs- 25% of one day's sewage flow. I 5. An alarm device shall be installed to warn of pump failure. 6. A siphon will not be allowed as a dosing device to deliver I effluent to a pressure distribution system. 7. The dosing chamber for a pressure distribution system shall either include a two p. mp system or shall be sized to include I a m~n~rm~m reserve capacity of 75% of the daily design flow. Sub& 6. Final treatment and disposal-standard system. Final i treatment and disposal of all sewage tank effluent shall be by means of soil treatment and disposal. a. Sizing. I 1. The required soil treatment area shall be determined by number of bedrooms for dwellings and definition of "water i usage" for other establishments. 2. The m~uim~m soil treatment area required for any dwelling shall provide for at least two bedrooms. I 3. The minimum soil treatment area required for multiple residential units shall consist of the sum of the areas i required for each individual unit. 4. Trench and bed size shall be at least as large as set forth in Table II. I Table II Required Soil Treatment Area in Square Feet of Trench Bottom Percol~];ion ...... rate in Per G~]lon of Depth of Filter Material minutes per Sewage Flow per Below Distribution pipe inch day (c) Faster 6" 12" 18" 24" Than '0.1 (d) ,., Special Soil Treatment Required. See Section 0.1 to $ (e) 0.83 170 170 135 115 105 6"to 15 1.27 255 2_55 205 '~70 155 '16 to ~0 1.67 335 335 270 22~5 205 31 to 45 2.00 400 400 320 265 240 6i-12~(e) --" - ........ " I I I I I a) Table II is based on a sewage flow of 200 gallons per day per bedroom and shall be used as the basis for sizing I household systems. I I Printed 12/28/90 Page 24 9