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MOUND DESIGN WORK3H�ET <br /> (For Fl�ra up ta 1200 CiPDy <br /> A.FLQW 3 Bedroom COUNTY: Hennopin Page 1 <br /> EsNmated Gallona Per Day. 4S0 �nuaa�.�+aae F►aws�as�ar�s p.rdw i� <br /> or measured X 1.b= gpd No•of �yps Type Trv6 <br /> Bedrooms I II IV <br /> B. SEPTIC TANK UQUID VOWIIIE� 2 30o z25 eo�.or <br /> yafbtla (plw quma tsnk) 200� 8 46o s00 the <br /> ' nobs: includ�+209b for Cerver Caunty Code 4 toa �-rs vawes in <br /> 3 75G 450 Typo 1,It <br /> C. 80tLS(refer to site evaluatlon) a soo � coiumna <br /> � Depth to restrictir�g Isyer 27 inchea S�plk T�nk Cap�dtl�s ��n�,wwns� <br /> Z D@Ptlt 4f p4rCAladOrl t95tS �Z i�CheB Number MMimum With With <br /> 3 Texture LAStt7 0� �uid aor�e 2ax <br /> PeroolaUon Rate rnpi B�ooms uro�osai �4dd.r <br /> 4 Lasid SloDs 4 °ib 2 ar�ss r50 112b 15q0 <br /> 3 a 4 �oo0 1500 �0�0 <br /> 5 or 8 1�00 2260 27Qa <br /> D. R4CK LAYER DIMEN810N$ <br /> 1 NWMi �I flow rete b 0.83 ta obtain required xsa cf rock layor:A x 0.83= �; <br /> „ , <br /> 4�0 9pd X o,sa sq.ttr�pd= 374 sq ft <br /> 2 Selec:t width of rock layer'�rnax 10'tt c12o rn�m.x e'>■ 10 ftr�t Width: 1 Q <br /> 3 Len tl�of rodc la�er=aroa/width� <br /> �76 sq�re foet divided by g�a • ° . <br /> 14 teet= 38 �eet <br /> � <br /> E.ROGK VOLUME �sngtt�: 3B <br /> t Multi I rock arsa rock depth to get cubic teet of rock: <br /> S76 _� square feet x 1 faot= S78 cublc feat <br /> 2 Divfde cub�feet by 27 cubic feet/c�ic yard#o ge�t cubic yards: <br /> 375.8 � cubic fe�1�7= 14 a�bic yards <br /> 3 Multi �I cubic ards b 1.4 bv get weight of rock in tons: <br /> � 14 cu yd x�.4 tonlcu yd= 19 tons. <br /> F.AB84RPTION VYIDTH vmdlh sh� Tabl• <br /> 1 Perr.datbn rate In too 12 inehes of sail in Peroo�suon Raee sou Gallon�p�r �uotAbso►a�a+ <br /> Q R1p't in NNnulea Per Ts�duro d�r p�r width to�iodc <br /> $OII TsXhlrE Inth equare foot La W;dth <br /> r-� Lp8fT1 � Faster than 0.1 Co�xse 9and 1.20 1.00 <br /> 0.1 tc 5 9o11d 1.Z0 1.OD <br /> 2 Selec.t allowable sai loadin r�te from tabie 0.1 ta 6 �9ne Sema a,eo 2.00 <br /> e <br /> Q.�Q gPd/R� 3 to 1b $andy Loam 8,75 1.32 <br /> 10 to 3D Lorm 0.80 2.00 <br /> 3 Galcula�e absorption widtlt�etio by dhAd�rodc layer 31 to 45 3iK Loam aso 2•40 <br /> laadir�rate of 1.24 9pdIR� albwable goii bading ra�: �to s� c�+�arn o.a8 2.67 <br /> 1.2o gpdJf�divided by 0.$0 9pd/Ft�= soeo�so ciay o.�a s.00 <br /> Z.Q� Slarerth�n 120 (�a�r 0.20 6.00 <br /> 4 Mui� abso tion width raHa by rocic I�er width b� �r uired absorpti�n widtl�: <br /> 2.Q� multi 10 feet� 20 feet <br /> E 'd ZEO T Z�bZS6 3FJ I Z�OHH�FiI� WdBb �8 LOOZ 0 T daS <br /> �• <br />