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. MOUND IIESIGN WORKSHEET „ <br /> . �Foc F�arws up to IZ00 gpd) , <br /> }. ''_�� �iwt�r—iY�ap�M► ! <br /> �alfi��lt�� �G ��p�a�es D-7a�I-3.4.5� � I <br /> aC����7CZ.g� ar�..��t ��f tv I , <br /> B. �/I1{��► � - '�L = ! � m�s iis° <br /> ��Y �r �.L� �� � • r � <br /> � �d i <br /> "'a� �r 1 <br /> 'e�o gatiaas tse+�psges C 3 orC�� �� . -• � �� � ' ,. � � ,� , <br /> �a� �es � � <br /> G SOIIS(referto�te evatit�eio�t) * �•1 a� .s .,�.� <br /> 1. Depth to restrict�ng layet= ! �" in� �� <br /> Z Depth of pacolation tests a . - „ inc� "�"��'.'""f',.'�""� <br /> 3. Percolation rate C�� mpi ;-„� I �•.. �� � <br /> 4. Land slo � % `-• j `� � <br /> pe ��•+ m. ,a„ <br /> ...., I ' <br /> _ � <br /> ; <br /> D. RiOCK LAYEK DIMENSIONS <br /> I. Multiply flow rate by 0.83 to obtain required area of rocic <br /> layer: Daily Flow x 0.83 = <br /> �c.•� gpd x O.�i sq. f�/gpd =:._. .. �.ft <br /> 2. Select width vf rodc layer(10 feet or less) _ � '� f� <br /> 3. I.ength of r�odc layer=Ares-�Widtla = <br /> ��^ sq.ft+ �C f t = = � f t. Rocic Bed <br /> '�'�"'�.�.��.r•S�� <br /> N SiOft <br /> E. ROCK V�LUME ,�,_ � _� <br /> 1. Muitiply tocic az�ea by rocic depth to get wbic feet vf rodc; <br /> 5oc sq,ft x�_ft��o cn,ft <br /> Z Divide w.ft by 27 cv.fticv.yd. bo get cubic yards; <br /> 5oc cu.ft +27= ��„_ctt.�d. . <br /> 3. Multipl a�ric yards by 1.4 to get weight of rock in tons; <br /> �cu.yd.x 2.4 ban/cu.yd. =Z�tons. <br /> F. ADSOKP'IION WID I�i <br /> I. Per�ulation rate ia bc� 12 inche.s of soil is�,mpi �•w�s sa�� <br /> Z Select allowable soil loading rate from table on page E; �"'�'� s.�,�.... p.� �- <br /> o•= gpd/ft� ��.�.;l� ....... .� <br /> 3. Calctilate adaorpt�on width ratio by dividing rodc layer w......a, �,...s�.. <br /> toad�ng rate of 1.20 gpd/fts by alIowable soil Iosding rate; ai:.�» rwa"'...» a o `zo�'o <br /> -, ,. sw�J s..�ur. a» ts! <br /> I.20 gpd/ft=+O•c..� �/ft2= -, .____?�,,,_ ��»as � aw us <br /> Cheafc this r�alut on pwge E-16. :`s�o � o°:s° is, <br /> 4. Multipiy adsorpdon width ratio by rock layer width to get ��� � °`�` '�° <br /> � requircci adsorption width; <br /> . _ = x �_c_ft= _�� fr <br />