COM 0875.001 2008-2010 - Laserfiche WebLink

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(5) each such bed shall be at least fifty (50) percent greater than the tabular requirements for trenches. Perimeter sidewall arca in excess of the required twelve (12) inches (305 mm) and not to exceed thirty six (36) inches (914 mm) below the leach line may be added to the trench i0 - . (3) No excavation for a 1 ach line or leach bed shall extend within five (5) feet (1,521 mm) of the water table nor to a depth where sewage may contaminate the underground water stratum that is usable for domestic purposes. (1,521 mm) separation requirement may bc reduced by the Authority Having Jurisdiction. The applicant shall supply (1) The minimum effective absorption area in any scepage pit shall be calculated as the excavated sidewall area below the inlet exclusive of any hardpan, rock, clay, or other impervious formations. The minimum required area of porous formation shall be provided in (10) feet (3, 048 mm) of the water table nor to a depth where sewage may contaminate underground water stratum that is usable for domestic purposcs. the groundwaters arc grossly degraded, the ten (10) foot (3,018 mm) separation requirement may be reduced by the Authority Having Jurisdiction. The applicant shall supply evidence of groundwater depth to the satisfaction of the Authority Having Jurisdiction. L aching chambers shall be sized on the bottom absorption area (nominal unit width) in square fcct. The required area shall bc - .1. 1.. (31) Amending Section K4 (C). Appendix K is amended by amending the first sentence of Section K4 (C) to read: "(C) When a percolation test is required, the test shall be conducted at a minimum depth of three feet, and no private disposal system shall be permitted to serve a building if that test shows the absorption capacity of the soil is less than 0.83 gallons per square foot (33.8 L /m or more than 5.12 gallons per square foot (208 L /m of leaching area per 24 hours." 1" id' 17 „; c! I„r n rn,, nrr,n 7)H6 1 l'( los p,•c,riciccl i„ liill 2(69