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<br /> �l! ���.'� �. . tiltY`-��* ..�''���'. �
<br /> r�. ..a.�. .:• .- ((s' .�{:'
<br /> ��l'. n;�i' 1 . '2.: i '-'�: .�.
<br /> �� 1�,,.- { ' '��• k: �
<br /> J�. :. . '-•���a`'�' .f'1< �
<br /> �' �'� �..�•:..L.�y: �:R'",'. .,----r---MWNO FILL 4'-6' .
<br /> �"S " �'.�� ..�• •• '�' �'�r: '` TO ALLOW FOR '
<br /> � i':1
<br /> i �%' �''"�'�� -`� : ' � SETTLING
<br /> _.. .�� �C�� '��- ������ T�,•, .1�A'` :j�'k.l- ;
<br /> ,'.i i�lr, .�di�,t� '�, ���' ^ � -- �,-—GRASS COVEA
<br /> � • r� . .
<br /> . ..�;�,•,..°::,��fi-�'�?'`o � �+r-�,:_�a � I .
<br /> 1 Q�`f`�� .r .},`� l�. , `------T-_-i�6� TO 34� OF SOII
<br /> . '�:.k.r.'��- �.' �i CO4ER ABOYE ROCK
<br /> ' - .r>•, 'r< . . � ,,'' /�
<br /> � � oOu�Z ..:,``"� �' ij`'" •� --- ---•�-3/4' TO 2 1/2� DIA.
<br /> 1 aam �• :;- ,�9:'.. {:t:i.
<br /> p �m ,�,!i�'^r��� � i � i� CLEAN ROCK
<br /> r ��-+-� .� � .>:, , �� ,=� ,
<br /> Z mm�,� 4t:►�;. : • '?�' `�` ` �-- —�5�--- � 4�-6� LAYER Of VNCOMPlkTEO
<br /> O<._{� �•:•+ , � s�' .Qi�' �' . F4AY OR STRAW CAVERED WITH
<br /> �+f X- . ��.: �',1`� ���' i '
<br /> ODO �{ •y;`y,,;f _�p�.,.; �� • �,� REO ROSIN PAPER OR GEOTEXT�LE FABRIC
<br /> 2� {?�'-.,{ ' � � i.
<br /> � ;�". �"
<br /> --�-- N� `�` •, 1UF �i ''w -- ��' -TR£NCH BOTTOM MUST BE LEVEI
<br /> r � � .U ��5 � i i� THROUGHOUT LENGTN
<br /> � � �• _�' ���'`'',Y:�, .� /� ;/ �
<br /> I
<br /> i �N� `_I y.� ' � '--1" '--����---2� 4/1NIMUM ROCK CAVER ABOVE �IVE
<br /> .,"� i��
<br /> 'r--� p � ���;,�;. ,��---- 6' MINIMUM ROCK DEPTH 6ELOW PIPE
<br /> --�-��-�-'i-' �C C /�� � �� 24' MAXIMUM ROCK DEPTH BELOW PiPE
<br /> I ' ' mm ,p�C mm ��� p51 L.__-�.�.'--- I�J---a� DIA RIGID VERFORATED PLASi�G PIPE WITH ONE ROW OF
<br /> � N �� OO� n-� ��\ p f���1 �;� � HOLES ALONG BOTTOM
<br /> r� � �Z{ �-� ��\ ��� I� /��� —
<br /> � mr �m � ��� � ��i •--WATER TABLE OR IMPERVIWS I.AYEfi SUCH AS CLAYPAN,ROCK, ETC.
<br /> � �� { + Q�r �\� i��
<br /> � 00 I X Z �� �i
<br /> p �� m �� ����
<br /> � mm . \� ���
<br /> U d W N
<br /> m fZl y
<br /> O 2' � N-I 2T_Z (DO!l�DH �oZm OD
<br /> mm X�m ��ZO� m�Xm r TRENCN ROCK COVERED WITH PERMEABLE
<br /> I D _ Dr SYNTNET{IpC FABRIC Oit 4� LAYER OF MARSH HAY OR
<br /> tn7� '��n� OC�mm CZiZ�D r;+1� INI.ET P�pRpTp� NXXT. PAPER lREO ROSIN;TH UNTREATED BUILDING 4�DI�LL�'THS�TION
<br /> = a�"� z-�m � ?�a� m'o
<br /> • �Rt ��O �m�om �OZ �Vmi EARTH BJILKFI�L AT LE T
<br /> , , N O='� y1n�� � � 6'ABOVE TOP OF ROCK
<br /> r-=-�------ OD Q12Z ��D�� mm� ? ��
<br /> '---� v-t o r' �^�m'�m �'� �
<br /> � �/7l��'. �p xZ� �m�c� mX� � AT LEAST 6' �EPTN OF CLEAN . °
<br /> � � I �C � < A- .�= o3m O Z ROCK 3/� TO 2�/Z DIA. SEE NOTE 3. •
<br /> �`.{� x-� m3. g'��r �1 m p �• ` .
<br /> i � ► 1 m �,� mx��� m D m -� oROP ewc �
<br /> �_T__�__1_1_ 1 O'� N���C �mZO � y � MAXIMUM LENGTH • 100 FEET
<br /> O �rn �O �O CD
<br /> \ I I Z N p��m� Z�C r OVERFILL NOTES� 1. BOTTOM OF TRENCH MUST BE LEVEL. TOP OF TRENGH
<br /> y m C� ANn�R1 ..�C� D 4 TO 6 INGNES ROCK MUST BE LEVEL.
<br /> O � r y � �-17C m ��� N ��_ _ _, ` INSPECTION
<br /> -+� � � � m r� D'�mr mm'� � � � �W LL Z. SLOPE ON OISTHIBUTION PIPE IS BETWEEN
<br /> { N � �, LEVEL AND ♦ INCHES PER Ip0 FEET.
<br /> �r i D �m�•• m�r A RECOMMENDEO SLOPE IS LE�EL.
<br /> �� � � �� DDm> �cZ � BACKFlLL 6• Tp 12' OF
<br /> Z m Z-aD" z�m � SOIL BACKFIL� 3. DISTRIBUTION PIPE CAN BE PERFORATED
<br /> Z1 R1 m � O mN O PLASTIC INSTAILED WITH ONE ROW OF
<br /> � � -�m pm- �O � � .i • �l HOlES ALONG THE PIPE 90TTOM. PiPE
<br /> _ O � n � • �2�DEPTM OF MUST NAVE A BEARING STRENGTH OF
<br /> � m �.� • r RO P,�vE AT LEAST �000 Le/FT.
<br /> = N ��o r � AT LEAST 6'OF ♦. MAINTAIN NATURAL SOIL STRUCTURE IN THE
<br /> ROCK BEIAW TRENCN SVRFACES IN GONTACT WITH ROCK.
<br /> ��?IPE. SEE
<br /> NOTE 3. 5, yyNERE TREES ARE PRESENT OR �IKE�Y TO BE
<br /> i6°TO 36' PRESENT DURING THE LIFE OF THE SYSTEM,
<br /> 12 INCMES OF ROCK MUST 6E P�ACEO IXJDfR
<br /> TFIE DISTRIBUTtON PIPE,
<br /> TRENCH CONSTRUCTION DETAILS
<br />
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