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z3� 0.60 gpd/ftZ Absorption area Soil Loading Rate, which gives a mound ratio of � (minimum) <br /> (this must match the soil borin� log) desired mound ratio 2.0 <br /> 2a� �percent site slope (0-12%range) �(%downslope site slope, if different than upslope) <br /> 2;� 18 inches, or 1.50 ft. to Redox or other limiting condition (This must match the soil boring log) <br /> leads to a: <br /> ?6) k** 18 inch, or 1.50 ft. Sand Lift Mound CRITICAL FOR FUTURE CERTIFICATIONS!!! <br /> z�� *** 20.0 ft.Total ABSORPTION width <br /> ,A� 0.0 ft. upslope and sideslope (sand beyond rockbed) <br /> 10.0 ft. Downslope (sand beyond rockbed) <br /> *** 4:1 slope ratio, gives BERM widths (topsoil beyond rockbed) of: <br /> �9� 11 ft. upslope berm <br /> 30� 16 ft, sideslope berms <br /> 3�� 22 ft. downslope berm <br /> 3z> Overall Dimensions: 10 ft. wide by 33.0 ft. long Rock bed <br /> 43 ft. wide by 65 ft. long Mound footprint <br /> 4" inspection pipe <br /> 18" covei on top <br /> Upslope berrn �� Do�^rnslo e berm Z2 <br /> 12" cover- on sides <br /> (6"loamy+cap tx;6"t�pwil? <br /> `'�.50 Ctean sand lift -�` <br /> 1.50 !�~(�Ch to Lir»itii�s� <br /> ,,,,;i . , r ,� : � - <br /> , _ _ _ <br /> Absor tion Width 20.0 - <br /> Note: <br /> For 0 co 1`: slopes, Absorption Width is measured froni the Bedequally in both directions. <br /> For slopes >1=�:,, Abso�ption Width is rneasured do��mhill from che upslope edpe of the Bed. <br /> s3� *"* Rock Bed: <br /> 10 ft. by 33.0 ft. by �inches under pipe, plus 20%gives 15 yd'or"1.4= 21 ton <br /> 3a� "`" Mound Sand: (note: volume is based on 3:1/4:1 slope from top of rockbed, Exchange sand for loamy cap if desired) <br /> 12.3 up + 30.9 downslope + 14.2 ends+ 22.� under rock = 95 yd'or"1.4= 134 ton <br /> plus 20% <br /> 3s> '•* Loamy Cap: <br /> 39 ft. by 61 ft. 6"deep, plus 20%gives 53 yd'or"1.4= 74 ton <br /> s6> *"`* TopsoiL• <br /> 43 ft. by 65 ft. 6"deep, plus 20%gives 63 yd'or'1.4= 88 ton <br /> I certify that I have completed this work in accordance with all applicable ordinances, rules and laws. <br /> � �- 7 Z Z I 3 <br /> �� � <br /> Designer Signature Company License# Date <br />