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MINIMUM �F MINIMUM MINIMUM <br />40 mil SMOOTH �I <br />LLDPE i <br />GEOMEMBRANE <br />3" DIA. CPe PIPE ON 1 <br />MINIMUM GRADE TO SUN <br />SEDIME <br />0 <br />z <br />w <br />x <br />x <br />w <br />0 <br />J <br />a <br />8' <br />1 <br />OVERLAP GEOTEXTILE <br />1' MINIMUM <br />I 12 oz /yd' <br />NONWOVEN GEOTEXTILE <br />LEAK DETECTION FILL <br />J 1LEAK DETECTION TRENCH <br />!20) NTS <br />7' BURIED <br />GROUND SURFACE <br />WELDED BASE <br />7 MANHOLE <br />*260 NTS <br />3 EACH METAL PIPE BOLLARDS <br />(MINIMUM 4" DIA.) EMBEDDED IN AND <br />LLED WITH CONCRETE <br />J J <br />> 1' MINIMUM � e 36" DIA. HDPE MANHOLE �gp A280 <br />, <br />MINIMUM / O J O <br />STRUCTURAL00 O O 2' MINIMUM DRAIN O O <br />I LL PAD BERM COVER FILL o O O 3' MINIMUM OVERLAP <br />1' MINIMUM 1' MINIMUM SOIL <br />LINER FILL EXTRUSION WELD - -80 mil TEXTURED <br />1 CPe LEAK FILL PLUG LEAK DETECTION SYSTEM ' (TEXTURE FACE DOWN) <br />SOIL LINER <br />1 3 DIAMETER Lo.- ' ' ' ' LLDPE GEOMEMBRANE <br />(SEE NOTE 7) 1 <br />i DETECTION PIPE r � PREPARED FOUNDATION <br />INSERT PIPE 3" DIA. HDPE SDR 13.5 LEAK SURFACE FOR SOIL LINER FILL <br />INTO MANHOLE - DETECTION PIPE, WITH DETECTION <br />WATER TIGHT COUPLINGS FILL 3" DIA. CPe LEAK EXISTING 3" DIAMETER <br />OF LEAK DETECTION DETECTION EXTENSION STRUCTURAL FILL CPe LEAK DETECTION <br />INCREASE DEPTH N <br />BEGIN HDPE PIPE OR NATURAL GROUND PIPE <br />TRENCH TO 24" BELOW ANCHOR REMOVE SOIL <br />TRENCH SEE DETAIL 8 LINER FILL PLUG <br />(SEE NOTE 3) <br />AFTER REMOVAL OF INTERIM PAD BERM <br />REMOVABLE <br />COVER <br />_ 36" DIA. HDPE SDR21 <br />WITH COVER OR ENGINEER <br />APPROVED EQUIVALENT <br />(SEE NOTE 1) <br />3" DIA. INLET <br />2' <br />(SEE NOTE 2) <br />1" X 2" WOOD STAKE <br />10 STRAW BALE INSTALLATION DETAIL <br />260J NTS <br />;E <br />5 LEAK DETECTION SUMP DETAIL_ <br />360 NTS <br />3" DIA. SOLID HDPE SDR 13.5 PIPE <br />WITH WATERTIGHT COUPLERS <br />3" DIA. SPLIT COUPLER <br />- - -3" DIA. CPe PIPE <br />8 TYPICAL SOLID HDPE TO PERFORATED <br />360 CPe PIPE CONNECTION <br />NTS <br />2' MINIMUM <br />10" MINIMUM <br />WOOD OR <br />STEEL POST <br />(SEE NOTE 5) <br />FILTER FABRIC MATERIAL SECURELY <br />..11 FASTENED TO THE POSTS <br />(SEE NOTE 6) <br />APPROXIMATELY 8" OF FILTER <br />FABRIC MATERIAL MUST EXTEND INTO <br />TRENCH AND BE ANCHORED WITH <br />COMPACTED BACKFILL MATERIAL <br />11 SILT FENCE INSTALLATION DETAIL <br />2601 NTS <br />APPROXIMATE 4 "x4" TRENCH <br />TEMPORARY LEAK DETECTION TERMINATION <br />e MAIAI MAI rc <br />W BALE EXTENT DETAIL <br />NTS <br />NOTES: <br />1. MANHOLE WITH LADDER ACCESS ALONG ENTIRE DEPTH <br />OF MANHOLE. <br />2. MINIMUM STORAGE VOLUME OF 100 GALLONS BELOW <br />3" DIA. SOLID HDPE PIPE INLET. <br />3. REMOVE SOIL LINER PLUG AFTER REMOVAL OF INTERIM PAD <br />BERM. <br />4. STRAW BALES TO EXTEND FAR ENOUGH LATERALLY SO <br />SURFACE WATER RUNOFF WILL SPILL OVER TOP OF STRAW <br />BALES. <br />5. SPACE POSTS 6' TO 10' APART. <br />6. FOR ADDITIONAL STRENGTH, FILTER FABRIC MATERIAL CAN BE <br />ATTACHED TO A 6' MESH WIRE WHICH HAS BEEN FASTENED <br />TO THE POSTS. <br />7. SOIL LINER FILL PLUG DIMENSIONS TO BE 1'x1'x1' <br />8. AS AN ALTERNATIVE TO STRAW BALES, OTHER STORM WATER <br />BEST MANAGEMENT PRACTICES, LIKE A ROCK BERM, MAY BE <br />SUBSTITUTED WITH APPROVAL OF THE OWNER /ENGINEER. <br />�?J <br />AF,; 15 2003 <br />