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August 25, 1992 APPLICANT: SITE NUMBER: JIH @ PIPER 92-2443 Your site has been found suitable for a SEEPAGE TPd~NCH ALTERNATIV~ SEWAGE DISPOSAL SYSTEM. The following construction specifications shall apply ko the installation of your septic system. The sep~i¢ tank shall have a minimum liquid capacity of 150~0 gallons. The projected daily sewage flow for this project is calculated at 300 ~.llons ~er day. Based on sell eonditlons observed on this site, the dis/~osal field will be sized at ~ lineal fe~t per $5_0 qall~ns of projected daily sewage flow. A minimum of 90 lineal feet of disposal field will be required for your proposed develop- ment. The diaposal t~enches are constructed two (2) feet wide and on minimum ten (10) foot cen~ers and with no line exceeding 12~ feet in length. The trenches and perforated pipe are installed level (~") and contoured to follow the natural ground surface. The disposal field shall be constructed with serial di~T~bution with a minimu~ trench de~th ef 4~ inches and a maximum trench depth of ~ inche~. The depth Of filter below the distribution pipe shall be 24 inches. There must be e~ least .12~2 inch~s of backfill over the top of the gravel, measured from ~he natural ground surface. An ~ffluent lift pump may be necessary to construct ~he disposal field in the approved area and at the correct depth. This approval is site specifio to the area tested and the septic system must be located i~ the immediate area of the test pits u~lese otherwise autho- rized by this office. A new site evaluation may be required if the system is proposed for a different area on the property. SPECIAL CONDITIONS: This consideration is for a twe...bedroom m~ximum residence. The system will be slightly substandard in setback and separation distance between components of the septic System and other features. Refer to the enclosed diagram (notice the drop boxes five feet from the lot line and the eight feet center to center drainline separation). ObserVe all othe~ normal setback/separation distances. A 1~00 gallon, combo d~sing septic tank will be necessary and an effluent pump to reach the upper most seepage trench. A green clad trace wire is require from the house cleanout to the ~eptic tank oleanout lid and from the lid to the upper drop bo×. Filter fabric should be used to cover the rock in the seepage trenches. ~ ~