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NOTES <br /> OUTLET TO �• ALL PIPES SF10UlD BE AT LEAST 4-INCH <br /> r •t } TRENCII OIAMETER. ' <br /> IN�Ef FROM Z, EIEVATION UF 1NLET ANO SUPPLY LINE TO <br /> SEPTIC TANK NEXT OROP BOX MAY DE AD•lUSTED UP OR <br /> pR t`{lEvlOUS F,�prr, r•c <br /> in�V1' uvX --- �SUI'NlY UNE ��'NN fOR D_'' _.' I.UE'.ri) ��•/F'L IN <br /> 'f0 NEXT 1RENCH. <br /> DROP OOX 3. SUGGESTED TRENCH LIOUID LEVELS� (A) 2 INC►1ES <br /> �� _.�. A80VE TOP OF OVTLET PIPE �F PEHMEADLE <br /> SYN111ETIC FABRIC COVERS ROGKf (B) AT 70P <br /> OF OUTLET PIPE IF HAY OR STRAW ANO <br /> BUILDING PAPER COVERS ROCK. <br /> �� 4, INVERT OF INLET MUST BE AT L�AS? ONE INC►1 <br /> HIGIfER THAN INVERT OF SUPPIY PIPE TO <br /> � NEXT DROP BOX. <br /> --� . �-Ou rLE 7 TO <br /> TftEp�;;r� 5 TRENCHES MAY OUTLF.T c�riE SIOE OF7 00T11 <br /> $IDf S qf" h�7l�P HOY.. <br /> --+�,. ---- ' ------ --�'-'- ---tiy-�---'�-`— <br /> , <br /> i-`---t�::` >f , <br /> i SU�'PLY i ' �-INLE t <br /> ---�- INLEi } ; � �i - LIiJE` ; I^r�'�; - SUPPIY LINE <br /> _�_. ( � h 4� <br /> ,� � L�.I._ + � \.J � i <br /> , Z.. � �� � 1 - <br /> „-.T__ _� � _ --,-; : , __ <br /> � � � - , . , , <br /> —� - ' —OVTLETS—'"' ��� L, -•CJTLET TO <br /> TO TNENCN � � � <br /> '----- - -�' �----•-- � TaEr�CH <br /> �-- . <br /> DROP BOX ' <br /> GRAVELLESS TRENCH CONSTRUCTION DET�1{LS <br /> 1 1/2" Inspecli�n <br /> 1 Inlet Pipe to Next Well <br /> Drop Box 1 1/2 Male <br /> Adapter � <br /> 12" Soll Backlill <br /> :t � <br /> Corrugaled 7ubing Covered <br /> with Geotextile Fabri <br /> Drop E3ox <br /> T�ench Lenglh = up to 100 Feet <br /> Ovcriill to Allow 1,�p�S: t. Bottom ol Irench must be level. Top <br /> tor Settling ol tubing must be {evel. <br /> � , Soil �2� ol Soil 2. Scarily ironch bottom �nd sidewalls <br /> Backfill Backlill at le�sl 12 incl�es above trencti botlom <br /> 24" ' — �� <br /> ' ' to expose natural soil. <br /> � , <br /> ; ' 12" <br /> �-- _ '� 3. For propriclory products consutt <br /> Holes Located manufacturers perlormance erileria. <br /> 24� at 4 and <br /> 8 O'Clock <br /> / Figure D-33 <br />