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zs1 0.45 gpd/ft' Absorption area Soil Loading Rate, which gives a mound ratio of 2.7 (mtnimum) <br /> (this must match the soil boring log) desired mound ratio 2.7 <br /> za� �9 percent slte slope (0-20%range) �9 (%downslope site slope,if different than upslope) <br /> s> 14 inches, or 1.2 ft.to Redox or other limiting condition (need at least 12"to be a Type I) <br /> Treatment zone conYains�0 inches of 4%soil credit,and �0 inches of 50%soil credit. Giving a: <br /> z6) 22 inch,or 1.8 ft. Sand Lift Mound CRITICAL FOR FUTURE CERTIFICATIONStI l <br /> n) 27.0 ft.Total ABSORPTION width (sand beyond rockbed) <br /> 2a) 0.0 ft.upslope and sideslope <br /> 17.0 ft.Downslope <br /> Indivfdual slope ratios give BERM widths(topsoil beyond rockbed)of: <br /> zv� 4:1 upslope ratio 11 ft.upslopeberm <br /> w) 4:1 sideslope 19 ft.sideslope berms <br /> a�> 3:1 downslope 22 ft.downslope berm <br /> � <br /> � .>s� <br /> Sz� Overall Dimensions: 10 ft.wide by 62.5 ft. tong Rock bed <br /> 43 ft.wide by 101 ft. long Mound footprint <br /> 4"fnspecNon pipe <br /> 18"cover on top <br /> U slo e berm }� povmslo e berm ZZ <br /> 12'tover on sides <br /> (6'bamy cep 8c 6"topao� <br /> �,g Ctean sand lift <br /> _ �,2 _ DepCl�to limiting <br /> Li'miting Condition `---"-------�--- _ <br /> Absor tion Width^ Z�•o � �'�" —""--------- <br /> NoCe: <br /> For 0 to 1�stopes,dbsorption Width is measured from the Bedequalty in both directions. <br /> For slopes>i%,A6so�ptlan�dth(s measured downhil!from the upslope ed,e of the Bed. <br /> a3) Rock Bed: <br /> 10 ft.by 62.5 ft.by �9 inches under pipe,plus 20%gives 28 Yd'or"1.4- 39 ton <br /> �o> Mound Sand: (note:volume is based on 3:1/4:1 slope from top of rockbed,Exchange sand for loamy cap if desired} <br /> 40.4 up + 100.2 downslope + 20.6 ends+ 52.9 under rock= 257 yd'or"1.4= 360 ton <br /> plus 20% <br /> 3s� Loamy Cap: <br /> 39 ft.by 97 ft. b"deep,plus 20%gives 84 yd'or'1.4= 118 ton <br /> �5> TopsoiL• <br /> 43 ft.by 101 ft. 6"deep,ptus 20%gives g7 yd'or'1.4- 136 ton <br /> I hereby certify that i have completed this work in accordance with all applicable ordinances,rules and taws. <br /> ���U 'i � �j��,�/i�)�.((�)ISL 361�{ 5/4/2013 <br /> Desfgner Signature Company LicenseN Date <br />