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. � . <br /> NOTES <br /> , r • � OUTLET TO �. ALL P�PES Sh10ULD BE AT �EAST 4-INCH <br /> TRENCII DIAMETER. <br /> INLET FROM 2, ELEVATION UF IN�ET ANO SUPPI.Y �INE TO <br /> SEPTIC TANK NEXT OROP BOX MnY OE AD.JUSTEO UP OR <br /> OR PRE�/IOVS — vG'.VN �OR Dr;�ur�, r�*c LUE.r�1 l�✓FL IT! <br /> O+w�' kfvX -SUPPLY I.INE 7RENCH. <br /> (O NEXT <br /> OROP OOX 3 SUGGESTED TRENCH L�OUiO LEvELS� (Al 2 INC�1E5 <br /> �. ABOVE TOP OF OUT�ET PIPE IF PEH�vttAE3LE <br /> SYN1�11ETIC FABRIC COVERS ROCK: (B) AT 70P <br /> " OF OUT�ET PIPE IF HAY OR S7RAW ANO <br /> BUILDING PAPER COVERS ROCK. <br /> �� 4. INVERT OF IN�ET MUST 8E AT �rnsT ONE INCN <br /> FIIGIIER THAN INVERT OF SUPPIY PIPE TO <br /> NEXT DROP BOX. <br /> � -OUTLET TO <br /> TF7EN<:H 5. TRENCFIE$ MAY OUTLET �riE SIDE OF7 �O-TV� <br /> $10�5 0� I1RpP f)OX. <br /> y <br /> -'---r'-�---�� ��"--_"1L�.'"-_ ,;, — �jj-,��� <br /> �v <br /> i SUPPLY � � �-�NI.E'i <br /> --�-- INLE � ` r 7•- LINE � -- ��'' � <br /> i � � - SUPPIY L�NE <br /> � �J. _L; � —� i -��`�i <br /> � �.L_ i I / <br /> � Z.. � *� � 1 <br /> I I.. T � r _ ''1� �� <br /> t 1 I � � 1 <br /> � � � TO,THENCH � ' `� �QUTLET TO <br /> �------ -.i �----•-- � TRENCH <br /> DROP BOX ' <br /> GRAVELLESS TRENCH CONSTRUCTION DETA{LS <br /> > >�z� i�,s�;:::��,��, <br /> / Inlet Pipe to Next 1 t/2 Male Well <br /> Drop Box Adapter <br /> — �— <br /> 12" Soil Backlill <br /> �� � <br /> Corrugated 7ubing Covered <br /> with Geotexlile Fabri <br /> Drop E3ox <br /> Trench Length = up to 100 Feet <br /> Ovcrtill to Allow ��S: i. Bottom of trench must be level. Top <br /> " for Settling of tubing must be level. <br /> Soil i2� of Soil 2. Scarily 1rQnch boltom and =sidewalls <br /> � Backlill � Backlill at le�sl 12 incties above trencli bottom <br /> 24" ' � <br /> � , <br /> � , to exposc natural soil. <br /> ' ' 12" <br /> '.111`__ _ '_Z 3. For proprictory products consult <br /> ; <br /> Noles Located manufacturers pertormance criteria. <br /> 24� at 4 and <br /> B O'Clock <br /> ) Figure D-33 <br />