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� . � � TRENCH AhTD BED WORKSHEET ,
<br /> 1: AVERAGE DESIGN FLOW �•i; E�nmar.a a•wo�.flows�,c�on.p.r oay
<br /> A. Estimated. �-I�� gpd(see figure A-1) nu r o �
<br /> or melSureCl — x �(Sl1 ctol')_ �d�� �� ��It qca III Gass Iv
<br /> ��✓� gPd 7 900 225 180 6096
<br /> B. Septic tank capacity a-100 0 gallons(see figure Gl) s 4so aoo 2i s or me
<br /> 4 600 378 2b6 values
<br /> b �b0 450 294 lnihe
<br /> 2. SOILS(Site evaluation data) �� 3 ^; � a - voo � � s25 �2 c�ass i,
<br /> .' C. De th to restrictin la er= S • D fEet z �� ' �. 370 14 or III
<br /> P g �' 8 1200 675 408 columns.
<br /> . �� D. Max depth of system Item 2C-3 ft= S.0 ft-3 h=.Z.O ft
<br /> E. Texture 5�4s�b�!�,a�"b �.or�nPercolation rate 5.� NII'I I�-30
<br /> F. Soil Sizing Factor( F� l.co 7 sqft/gpd(see figure D-15)
<br /> G. %Land Slope %. ca: �nt c. tta uon�
<br /> 3. TRENCH or BED BOTTOM AREA Numberot Minimnmliqnid Uqiddap�ciry.with liquidcapaciry
<br /> H. For trenches with 6 inches of rocic below the pipe:
<br /> Bedraoma G/P��Y f�d�� with��aposal&
<br /> A x F=�� d x sqft/gpd= sqft �«�aa �so »xs �soo
<br /> I. For trenches with 12 inches of rock below the pipe: ;«6 i oo al,a.�so �
<br /> A x F x 0.8= �-L S�. d x 1.�7 sqft/gpd x 0.8=�L_s ft Q �,s«9 woo s000 30°°
<br /> J. For trenches with 18 inclles of rock below the pipe:t�o7o G�
<br /> A x F x 0.66=_�„d x sqft/gpd x 0.66= sqft F�r�°��,��''��m,jd S°"s�'1'8
<br /> K. For trenches with 24 inches of rock below the pipe: • «� a. �m
<br /> A x F x 0.6= __Qu, d x sqft/gpd x 0.6.= sqft m�l��� �T�� p"a::h"� '"°"
<br /> �
<br /> L. For avi beds with 6 or 12 inches of rock below the i • f��^�•a' �� "�
<br /> $r tY P Pe� a�eoa M.e�..�a o.s�
<br /> 1.5 x A x F=1S x__vn�d x sqft/gpd= sqft ,.,�,,.. �;,;nd �
<br /> For pressure beds with 6 or 12 inches of rock below the pipe;_, 3�� Sind'''°""
<br /> 16ep30
<br /> A x F= -Q°. d.x sqft/8Pd= sqft �s ro so u:y�o.m uo
<br /> , s.�ar��y
<br /> 4. DISTItIBUTION(Chec all that apply) ��d�y
<br /> o.er a eo�ao-� u.y a.zo
<br /> Bed (<6%slope) Drop boxes(any slope) ✓ Rock r�w.�, "'�'"•y
<br /> �Trenches Distributidn box(<3�0) Chamber ».r.bm• .• r�••m•
<br /> .pnpun dbMlbuNen w rrld d4trlbutlon wllh
<br /> Pressure Gravi Gravelless ^��">�x���'r"�^.
<br /> ty -��ti.,.�,s 00%er�non Anr wnd plw very flne w+d
<br /> "'A moundmwt be u�ed.
<br /> . ""M otMr ar p�Aornuncr qnMm mu�t be ured
<br /> 5. SYSTEM WIDTH,LENGTH and VOLUME
<br /> M. Select trench width= �.� � D-9: Soll CharacteritHa md Soll sizing
<br /> N. If using rock,divide bottom area by width: (H,I,J,K or L)+jyM= ' facton(SSFI for Gnvelles�Pipe
<br /> (,o L O sqft+ 3•O ft= �.a O lineal feet ,�„�'a".i°"�nj .ou nxc„R gallon/day _
<br /> Rock depth below distribution pipe plus 0.5 foot times bottom area: F"'a1 w sal• M.a�s�.�a o�e
<br /> Rock depth in feet+0.5 feet x Area(H,I,J,K,or L) ai co s ��,ard ae
<br /> ( 1+D ft+0.5 ft)x (i0 qft=�J12_�� 16�1� s"id�i tiO�" °ose
<br /> Volume in cubic yazds=volume in cuft divided by 27 31 ro15 SU�Lo.m o.6�
<br /> �l gD Cuft+27=�_cuyds +e co 6o cia�t...m�c�.) o.�a
<br /> Weight of rock in.tons=cubic yards times 1.4 s��c�. _
<br /> dower than
<br /> 32_cuyds x 1.4= �Ltons �r�yr
<br /> O. If using 10"Gravelless Pipe, Flow(A)x Gravelless SSF(see figure D-9)
<br /> �sdt�oo coae�e ra.ew. ae.�,�,6
<br /> __��d x lineal feet/gpd= lineal feet u.�.y.�,.r�n�afype�h.ai..
<br /> "Sou n. sox a n,oK I�e..�a. nM wna.
<br /> P. If using Chambers,H,I,J,or K(baspd on height of chamber slats)+ �.��������n����y7o�
<br /> width of chamber in feet(�
<br /> sqh+ ft= lineal feet "�a'*
<br /> r�.wc+..
<br /> 6. LAWrT AREA «��
<br /> Q. Select trench spacing,center to center=�feet
<br /> R. Multiply trench spacing by lineal feet R x Q=sqft of lawn area
<br /> � 4S ft x a � lineal feet=J�2�sqft 3�a4-zi%i ��'�'
<br /> 7. LAYOUT ,.,,��,,.., 3���
<br /> Include a drawing with scale(one inch=�feet). Show pertinent property boundaries,rights-of-way,ease-
<br /> ments, location of house,garage,driveway,and all other improvements, existing or proposed soil treatment system,
<br /> well and dimensions of all elevaHons,setbacks and separation distances.
<br /> I hereby certi that I hav completed this work in accordance with applicable ordinances, rules and laws.
<br /> �j�,�t� . Gj ' �o-5-o y
<br /> (signature) 3�'-� (license#) (date)
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