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April 26, 1993 APPLICANT~ SITE NUMBER: STANDARD SYSTEM CONSTRUCTION DETAIL SHEET GRBGORY & THERESA ALAND 93-1311, LOT 4, BLOCK 11, MAY ADDITION Your site has been found suitable for a STANDARD ON-SITE SEWAGE DISPOSAL SYSTEM. The following construction specifications shall apply to the installa- tion of your septic system. 1. The septic tank shall have a minimum liquid capacity of 1000 gallons. The projected daily sewage flow for this project is calculated at 300 qallons per day. Based on soil conditions observed on this site, the disposal field will be sized at 75 lineal feet ~er 150 qallons of projected daily sewage flow. A minimum of 150 lineal feet of disposal field will be required for your proposed develop- ment. The disposal trenches are constructed two (2) feet wide and on minimum ten (10) foot centers and with no line exceeding 125 feet in length. The trenches and perforated pipe are installed level (±l") and contoured to follow the natural ground surface. The disposal field shall be constructed with equal distribution with a minimum trench depth of 18 inches and a maximum trench depth of 24 inches. There must be at least 6 inches of backfill over the top of the gravel, measured from the natural ground surface. This approval is site specific to the area tested 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 the property. SPECIAL CONDITIONS: The drainfields will be installed within an area altered significantly by cutting and/or filling. These sites are not usually considered for on-site septic systems. However, the filled areas appear stabilized with no apparent cracking or slumping. And~ the soil profile is developing in the cut area with enough structure and fine constituents to expect the drainfield to properly process the normal daily sewage flow load. Other systems constructed on similar sites are operating normally without any evidence of failure. The drainfield areas must be constructed as currently field staked for location and barricaded against damage form vehicle traffic. The original drainfield must be installed as staked for the equal loop system. THIS IS NOT A PERMIT TO INSTALL THE SEPTIC SYSTEM. HO NOT INS~A?.?. THE SYSTEM UNTIL A VALIH PERMIT ~AE BEEN ISSUED SY THIS OFFICE.