1995-007074 - septic replacement system

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' G., DOWNSLOPE DIKE WIDTH • 1. If landslope is 3% or more,subtract rock layer width from r adsorption width to obtain minimum downslope dike toe >- , /,.-) ft- )10 ft= V) feet 2. Calculate Minimum mound size based on geometery: a. Determine depth of clean sand fill at upslope edge of rock layer: Separation ), 0 feet b. Multiply rock layer width by landslope 1,foot Cover, to determine drop in elevation; t toot Itoed . Slope Difference SOpOr0U011 )•` teat ' • i, x u %4- 100 = .14 feet .�• Slops Difference =�. et Upslope Width c. Add depth of dean sand for separation (2a) - -feet Rock Bed width at upslope edge,depth of rock layer(1 foot) to depth of 1.12._feet Downslope Width cover(1 foot) to find the mound height at the upslope edge _2_1_f"` of rock layer; 1.0 ft+ Ift+ lft= 3 .0 feet d. Enter table with landslope and upslope dike ratio. Select dike multiplier of y.1 1 . e. Multiply dike multiplier by upslope mound height to find upslope dike width: 3.0 x14.11 = I3; ,feet f. Add depth of clean sand for slope difference(2b)at downslope edge,to the mound height at the upslope edge of rock layer(2c) to find the downslope height; ' 3, O ft+ , y ft= 3.N feet g. Enter table with landslope and downslope dike ratio. 4 Select dike multiplier of L. ‘ • h. Multiply dike multiplier by downslope mound height to get downslope dike width: L. .( x 3. y = a ) feet i. Compare the values of step G.1 and Step G.2h Select the greater of the two values as the downslope dike width; :;tii.2k iiiYi:ii ::>•J::iiv}i.{}.iff:%:::?�:.. >n';iCtJjii'jry::}i:C•>5\i}::::.v::iii.;�;r}::j2j:;}{ii'i:jiii`{}} a 1 feet .<•:..,i.,;:�}:}:.::}:.::.:_..isw.....,:<;:<><.: -:: :r. .,t.:.}...w: .:.t,..n.;;::}•:..,{.�'• : •.}}•::•:y5¢`�: pf10 OM10ih2 �S,��...:?ti}f,..;4• :.:y'•'o i ..::•;::;;�:::�:r•;.:�}}.'•.'.;•.:}".'i:.':ir'.': ?.t;yL'�;:iS;� ;.:�A.:ti,:'::?�� .ii>:•}:;fr::•:.js<::t�:t;�':�i?ys:>::�;;::;,`:i;��iv:•,: j. Total mound width is the sum of ��.++yy,,''rr�� :$�;�yy:,�. ;t,, x; 1; i � < .4y ; ,.: � : upslope dike (G.2e)width plus rock ' :�•s ; fist. -• .-.-. :•::',I1010 layer width (D.2)plus a uos o iWidth : ::i:;:::::i.s :•xi}+}� .;::.::•:6;•}:::i. 'os}•e.}}oiw: i: 0t h downslope dike width(G.2i); `1 l: fee �� : ::::�f»:th �; �_L tat Z :Y `:�x : f ; :� A4:P � } T. ? fy 1ft+ Iv ft+ I ft = 4feet F 1- ` A ;: Cm1: g •Xnrkfi: 2i: Rif. at im:;; •••xi, �:. !W.Ys:,.:.i. ; iiQS� k. Total mound length is the sum of 1 <:�v%i>^ci�o::}::.;{,..; :.,: ddwnfloDe width &. s:iii iMA:.. ' t :: % , �,� :::tii .�L feet .1: 4i;;:.�.,::'..�:} ._�!:':.:,: ti upslope dike width (G2e) plus rock layer .�.4yv':R %e: �il;}}}: + % i` �Y ; % K#a :m; & � : :{: x.tn.:::>ht.:�;�.}'>�$ 4:: ;:}}:::.<},,.k.::.:*::::.?;<::>}::v:.},•:::.:;;:: .v}.3.. length(D3 plus upslope dike width (G.2e); < rmof : -i'}.^. o kti\ :•::vt :•:i` fr :i ✓' ` a � �f,v>:mh4; '0:.. ;;:} ;.:iit :i}iii;::i:.::: yn::.< :;i { i..vrm} : : . : + ; " k: <'� r:i}i: i'`?i }`:•i ::;� ':::ih }•:} ::� + ftq feet _ : ..; ii: . ............. at + t,q �- a1 ' 110 '17y Total Length ))0 Downslope Upslope 3:1 4:1 5:1 61 7:1 3:1 4:1 5:1 61 7:1 8:1 S slope 0 3.0 4.0 3.0 6.0 7.0 3.0 4.0 3.0 6.0 7.0 8.0 1 3.09 4.17 326 6.38 753 291 3.83 4.76 5.66 6.54 741 2 3.19 435 556 612 8.14 243 3.70 4.54 5.36 6.14 6.90 3 3.30 434 328 7.32 8.86 273 3.7 5.08 3.79 6.15 !f: : 4 3.41 4.76 7.89 9.72 2.68 3.45 4.17 4.81 5.46 6.06 5 353 SAD 857 10.77 2.61 3.33 442 5.19 531 • ":z-.744- j'+�� 6 346 526 7.14 931 12.07 231 333 385 111 4.93 541 7 32D 536 7.69 1034 1373 248 3.12 3.70 a23 4.70 5.13 8 3.95 528 833 11.54 1591 2.42 323 3.57 405 4.49 428 9 4.11 675 9.09 13.04 18.92 236 294 3.45 3.90 4.30 415 10 429 667 10.0 15.00 2333 2.31 226 3.33 3.75 4.12 444 11 4.48 7.14 11.11 17.65 30.43 226 278 323 3.61 3.95 4.26 12 449 749 1250 21.43 4325 2.21 2.70 3.12 3.49 3.80 448