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MINIMUM MINIMUM MINIMUM <br />1' MINIMUM <br />SOIL LINER FILL <br />40 mil SMOOTH OVERLAP GEOTEXTILE <br />LLDPE 1' MINIMUM 2' <br />GEOMEMBRANE <br />1' MINIMUM <br />12 oz/yd' <br />NONWOVEN GEOTEXTILE <br />1 <br />LEAK DETECTION FILL <br />MINIMUM <br />_ J <br />3" DIA. PCPE PIPE ON 1% 8„ DIA. <br />--- <br />MINIMUM GRADE TO SUMP <br />(SEE NOTE 9) <br />V V V LEAK DETECTION TRENCH <br />A200 A210 A260` NTS <br />REMOVABLE <br />COVER <br />GROUND SURFACE <br />MW <br />36" DIA. HDPE SDR 21 <br />WITH COVER OR ENGINEER <br />APPROVED EQUIVALENT <br />8' (SEE NOTE 1) <br />7' BURIED <br />3" DIA. INLET <br />WELDED BASE 2 <br />(SEE NOTE 2) <br />MANHOLE <br />A260 NTS <br />STAKED AND ENTRENCHED 50 Ib <br />(APPROXIMATE) STRAW BALE <br />(SEE NOTE 4) <br />COMPACTED SOIL TO <br />PREVENT PIPING <br />SEDIMENT LADEN RUNOFF <br />- 3 EACH METAL PIPE BOLLARDS <br />(MINIMUM 4" DIA.) EMBEDDED IN AND <br />FILLED WITH CONCRETE <br />7 36" DIA. HDPE MANHOLE <br />A260 <br />I 1 <br />I I <br />I I <br />INSERT PIPE <br />INTO MANHOLE <br />INCREASE DEPTH <br />OF LEAK DETECTION <br />TRENCH TO 24" <br />SOIL LINER— <br />FILL PLUG <br />(SEE NOTE 7) <br />3" DIA. HDPE SDR 13.5 LEAK <br />DETECTION PIPE, WITH <br />WATER TIGHT COUPLINGS <br />BEGIN HDPE PIPE - <br />BELOW ANCHOR <br />TRENCH SEE DETAIL 8 <br />5 )LEAK DETECTION SUMP DETAIL <br />NTS <br />pA284�80 mil LLDPE <br />GEOMEMBRANE <br />\-3" DIA. y <br />PCPE LEAK <br />DETECTION PIPE <br />LEAK DETECTION <br />FILL <br />3" DIA. SOLID HDPE SDR 13.5 PIPE 3" DIA. PCPE PIPE <br />WITH WATERTIGHT COUPLERS <br />3" DIA. SPLIT COUPLER <br />8 TYPICAL SOLID HDPE TO PERFORATED <br />A260 CPe PIPE CONNECTION <br />NTS <br />1" X 2" WOOD STAKE <br />2' MINIMUM WOOD OR <br />STEEL POST <br />(SEE NOTE 5) <br />(—WDSTRAW BALE INSTALLATION DETAIL <br />A60' NTS <br />(FOR REFERENCE ONLY) <br />10" MINIMUM <br />FILTER FABRIC MATERIAL SECURELY <br />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 />-Fl OW <br />10 SILT FENCE INSTALLATION DETAIL <br />NTS <br />(FOR REFERENCE ONLY) <br />4"x4" TRENCH <br />V <br />A260 <br />FUSION WELD -\ , <br />2' MINIMUM DRAIN <br />COVER FILL <br />TWINE/WIRE <br />FILTERED RUNOFF <br />u 3 <br />4" MINIMUM , <br />, ii�i�ii� �. <br />6" MINIMUM <br />/ As,/ <br />As,/ <br />� �✓2� <br />(—WDSTRAW BALE INSTALLATION DETAIL <br />A60' NTS <br />(FOR REFERENCE ONLY) <br />10" MINIMUM <br />FILTER FABRIC MATERIAL SECURELY <br />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 />-Fl OW <br />10 SILT FENCE INSTALLATION DETAIL <br />NTS <br />(FOR REFERENCE ONLY) <br />4"x4" TRENCH <br />V <br />A260 <br />FUSION WELD -\ , <br />2' MINIMUM DRAIN <br />COVER FILL <br />u 3 <br />1' MINIMUM SOIL <br />LINER FILL <br />80 mil LLDPE GEOMEMBRANE <br />LEAK DETECTION SYSTEM <br />—7�PREPARED <br />FOUNDATION <br />SURFACE FOR SOIL LINER FILL <br />3" DIA. PCPE LEAK <br />EXISTING 3" DIA. <br />DETECTION EXTENSION <br />STRUCTURAL FILL <br />PCPE LEAK DETECTION <br />OR <br />NATURAL GROUND <br />PIPE <br />REMOVE SOIL <br />LINER FILL PLUG <br />(SEE NOTE 3) <br />AFTER REMOVAL OF <br />INTERIM PAD <br />BERM <br />1�6DTEMPORARY LEAK DETECTION TERMINATION <br />J NTS <br />L' <br />9 STRAW BALE EXTENT DETAIL <br />NTS <br />(FOR REFERENCE ONLY) <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 BERM. <br />4. STRAW BALES TO EXTEND FAR ENOUGH LATERALLY SO SURFACE WATER RUNOFF WILL <br />SPILL OVER TOP OF STRAW BALES. <br />5. SPACE POSTS 6' TO 10' APART. <br />6. FOR ADDITIONAL STRENGTH, FILTER FABRIC MATERIAL SHOULD BE ATTACHED TO A 6" <br />MESH WIRE WHICH HAS BEEN FASTENED TO THE POSTS. <br />7. SOIL LINER FILL PLUG DIMENSIONS TO BE 1'xi'x1'. <br />8. AS AN ALTERNATIVE TO STRAW BALES, OTHER STORM WATER BEST MANAGEMENT <br />PRACTICES, LIKE A ROCK BERM, MAY BE SUBSTITUTED WITH APPROVAL OF THE <br />OWNER/ENGINEER. <br />9. AS REQUIRED BY LOCALIZED GRADING, THE UNDERDRAIN CAN BE INSTALLED WITH A <br />MINIMUM SLOPE OF 0.5% WITH APPROVAL FROM THE ENGINEER. <br />37574,'" <br />�o : -+! 7 <br />