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. _ ,iNGROUND SEWAGE TREATMENT SYSTEM WORKSHEET <br /> � FLOW <br /> Esumaicd Sewngc Flou-s in(lallnn.a per d;ry � <br /> A. Estunated ��� gpd c �� <br /> measured X = gpd Numbcr Clac�I Clvu[I Cl:�cc I➢ Clacr <br /> of N <br /> B. Septic tank volume ��00 gallons �"""� <br /> z � xn ' �zs ! -isui �,x , <br /> 3 45U 30U ' .IR ofthc <br /> 4 H70 l75 :S6 ��i� <br /> SOILS (Site evaluation dat ) s �so aso �v4 <br /> � 6 4(() S25 3}2 T L I <br /> C. Depth to restricting layer = �" L feet , �aw � «x� , s,o „';;, � <br /> D. Maximum depth of system C -3 ft= x. feet I � '``x' ' �'` ' "'� '� 1° <br /> E. Texture �.�os�+'►1, Percolation rate�MPI � I i____i"''�°�-' <br /> F. SSF /� sq ft/gpd <br /> Se tic Tank Ca acities in allons <br /> G. Slope L_� °�o Liquid capacity <br /> Number of Minimum Liquid Liquid capacity with with disposal& <br /> Bedrooms Capacity garbage disposal lift inside <br /> TRENCH BOTTOM AREA z o�iess �so i i2s isuo <br /> H. For trenches with 6 ches of rock below the pipe: �o�a i000 isoo 2000 <br /> A x F =��x �. = QI sq ft of bottom area s or 6 isoo 2250 3000 <br /> 7.8 or 9 2000 3000 a000 <br /> I. For trenches with 12 inches of rock below the pipe: <br /> A x F x 0.8 = x X�.g = SCl ft Of bOttOI7l dlEa Soil Characteristics and Soil sizing factors <br /> J. FOI'tt'enC�IES wltrl 1� 171Ct12S Of COCLC belOw t�"le�Jipe: (SSF)forSewage 13'separation) <br /> Pertolation rale Sc�u.�re leet/ <br /> A x F x 0.66— x x 0.66 = sq ft of bottom area (minutes/inch) sod texture Rallon/dav <br /> K. For trenches with 24 inches of rock below the pipe: F�s�e.�n��o,• cor�sesr�� -- <br /> 0-1 to S Med�um Sand 087 <br /> Loamv Srnd <br /> A x F x 0.6= x x 0.6 = sq ft of bottom area o���s Fine Sand" 1 67 <br /> 5 to 15 Sandv Loam 1 27 <br /> 16 to 30 Loam 1 69 <br /> SEEPAGE BED BOTTOM AREA 3����as s�i�s�o�m zc� <br /> �46 to 60 Clav Loam ICU '_.'_0 <br /> L. For gravity beds with 6 or 12 inches of rock below the pipe; Ss�ia�c� <br /> 1.5 x A x F = 1.5 x x = sq ft of bottom area '�O1Ne"nT"60-• s��d��c�r� <br /> For pressure beds with 6 or 12 inches of rock below the pipe; S°'�c'�� <br /> 'Soil too cwrse for sewage[reatmenl. <br /> A x F = x = sq ft of bottom area Use systems for rapidlype rmeable sods <br /> "Sod having 50°i�or more Fine sand+verv fine sand <br /> "5oil with too high r percenlrge o(clav(or <br /> ROCK VOLUME,WEIGHT installationofastandardinRroundrvslem <br /> M. Rock depth below distribution pipe plus 0.5 foot times bottom area: so�i charaae�sh�5 ana so�i 5+���g�a�con <br /> M =Rock depth +6 inches x Area (H,I,J,L,K) (SSF)for Gravelless Pipe <br /> percolation ratr squAre leeii <br /> ( +0.5 ft� x = Cu ft �m��wesi���n� saa�ex�„re R�u��iary <br /> Fas[er than 0.1' Coarse Sand <br /> N. Volume in cubic yards = ��olume in cu ft divided by 27 0,�os MediumSand oz� <br /> Loam v S�nd <br /> M=27= cu yds_=27 = cu yds 0 1 to 5 Fine Sand" 0 b <br /> 6 to 15 Sandy Loam 0.�42 <br /> O. Weight of rock in tons = cubic yards times 1.4 ,b�o�o Loam osh <br /> 31 to 45 Silt Loam O.h; <br /> N x 1.4 = tons x 1.4 = tons s�" <br /> 16 10 fi0 Clay Loam(Cl.) 0 7a <br /> Sandy Cl <br /> Sihv CL <br /> DISTRIBUTION `�°,ver1h�a60•• s��d;�c��� <br /> (Check one based on slope) Bed (<6%slope) s'"�c��� <br /> 5oil too cwrse(or sewaRe IreatmeM. <br /> Trenches ✓Drop boxes (any slope) Distribution box (< 3%) Usesvstems(orrapidf,�ertneablesoils <br /> "Soil hae��nR 50%or more ine sand.verv(ine sand. <br /> "5oil w�ith too high a pertentage o(dav(or <br /> mstalla[ion of a riandard inRround svstem. <br /> SYSTEM LENGTH <br /> P. Select width=�__ft <br /> Q. Divide bottom area by width: (H,I,J, or K) — P = lineal feet �`"1e"''e`�n"` <br /> a. o'ea•po�ppapa•a�o f 2'R�ckCo.' <br /> — — lineal feet � '�°° - `1 <br /> Gravelless Pipe (10") (Flow x Gravelless SSF) �a°=� �°'a'op°. I' °ist°�Pe <br /> �D,�de eD, D,e I <br /> x = lineal feet °�° �°"��°'� ' - <br /> eD,: odeao'0'oao <br /> Chamber(H,I J K [based on hieght of Chamber] —width of chamber) °',��'�°;�°"o'o�� � <br /> ���=�=�lineal feet �;p;' o0.o�:aa'�Dc��0.��1D e 6-24"Rock <br /> p0.OQ��DeD, �oqop0�a 3/4-21/2,. <br /> 4°�e°oD,�Do eeD,��oD�eD� <br /> LAWN AREA e��a� eeD,�D�o�d� ,�o„ <br /> e.��,rD��D,o 0��<0 o"Oa <br /> R. Select trench spacing,center to center= 7 feet °���°�"°��°�°�_����'�' <br /> S. Mul iply trench s acing by lineal feet R x Q= sq ft of lawn area '"'" "'d`h <br /> ��x��i�sq ft 3. Show location of house,garage, driveway,and all <br /> other improvements, existing or proposed. <br /> LAYOUT 4. Show location and layout of sewage treatment <br /> 1. Select an appropriate scale;one square = feet. system. <br /> 2. Show pertinent property boundaries,rights-of-way, 5. Show location of water supply well. <br /> 6. Dunension all elevations, setbacks and separation <br /> easements. <br /> distances. <br />