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pRESSUR~/IED D~n?~U~O~ SYSTEM CON$~RUC~O~ D~A~ November 30, 1992 APPLI~N~= SIT= NUMBER~ E~NNET~ ALLEN 9~-~802 QRIG~NAL~YSTE~ ALTERNATIVE shall apply site has been found suitable for a PRESSURIZED DISTRIBUTION SEWAGE DISPOSAL SYSTEM, The following construction specifications tO the installation of your septic syatem. The septic tank shal~ have a m£nLmum liquid capacity of 1~1000 gallons. The projected daily sewage flow for this project &s calculated at ~0 qal~gns ~er day, Based on soil conditions observed on this site, the disposal field will be sized at 7~, linea1 f,get,,,,,,per 150 ~a~lons of projected aaily sewage fl~w. A miflimum of ~25 ,Iinea~ feet of die,sa1 fieZd will be required for your proposed d~v~lop- meat. The disposal trenches are construe%ed two (2) feet wide and on minimum ten (10) foot centers and with no line exceedin9 125 feet in ~eng=h. The trenches a~d per~orated pipe are installed level (~1") and contoured to follow %he natural ground surfae~. The aispo~al field piping is minimum two (~} inch pressure piping, with a minimum 160 psi =&ting. The sidewalls of the disposal trenches and top of the filter material shall be lined with filter fabric. The disposal field sha~l be constructed with R~essurized equal distributioB with a ~inimu~ trench depth of ~8 iht-has arid a maximum trench depth of 15 ihphe~. There must be at least ~ inches of backfill over the top of the gravel~ measured from the natural ground surface, An effluent lift pump or siphon which is ~ized to provide a minimum residual head of five (5) feet at the most distant orifie~ is required This approval is site specific tO the area t~sted and the septic system must be located in the immediate area of the test pits unless otherwise autho- rized by this office. A new Site evaluation may be required if the system is proposed for a different area on =he property. SPECIA~ ¢~NDITION$= This system mus~ only be constructed On the highest ground within th~ immediate area of the southeasterly test pit. The alternative sand filter system must be constructed within the immediate area of the other two new test pits. Observe all normal setback/separation distance~. Refer tO the enclosed setback list which outline~ minimum setbacks between septic systems and ether features. A pre-construction field stakeout is race,ended prior to any construction and excavation. I suggest that the well construction be ~eferred until the location of the individual drainfie~d lines have been confirmed and approved by our department~ THIS ~S NO~ A PE~IT TO INSTAI~~ THE ~EP'/'~C SYSTEM. DO NOT ~NsTALL.,THE ~ySTEM UNTIL A ~ID ~ERMIT_3~AS BEEN i~SU~D ~ THI~ OF~ItEo