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40 mil SMOOTH <br />LLDPE <br />GEOMEMBRANE <br />3" DIA. PCPE PIPE ON 1% <br />MINIMUM GRADE TO SUMP <br />(SEE NOTE 9) <br />©T ©T© <br />r�. , im'L e <br />8' <br />90 <br />1' MINIMUM <br />12 oz /yd2 <br />NONWOVEN GEOTEXTILE <br />LEAK DETECTION FILL <br />DETECTION TRENCH <br />NTS <br />GROUND SURFACE <br />WELDED BASE <br />7 MANHOLE <br />A260 NTS <br />STAKED AND ENTRENCHED 50 lb <br />(APPROXIMATE) STRAW BALE <br />(SEE NOTE 4) <br />1' MINIMUM <br />1' MINIMUM <br />REMOVABLE <br />COVER <br />2' <br />(SEE NOTE 2) <br />3 EACH METAL PIPE BOLLARDS <br />MINIMUM 4" DIA. EMBEDDED IN AND <br />ILLED WITH CON RETE <br />1 ry 36" DIA. HDPE MANHOLE A26p 80 mil SINGLE SIDED TEXTURED T s <br />(TEXTURE FACE DOWN) A2gp <br />x <br />LLDPE GEOMEMBRANE FUSION WELD A22p <br />3' <br />2' MINIMUM DRAIN J� Q <br />COVER FILL') <br />2 l <br />3 1' MINIMUM SOIL <br />--- —� <br />MINIMUM SOIL LINER LINER FILL (TEXTURE mil SINGLE -SIDED TEXTURED <br />g" plA, FILL PLUG 'rr'/; %/ 'i r'l . 'r LDPE GEOMEMBRANE) <br />(SEE NOTE 7) 3 DIAMETER LEAK DETECTION SYSTEM <br />PCPE LEAK Lo- <br />DETECTION " - -" <br />PIPE - PREPARED FOUNDATION <br />INSERT PIPE 3" DIA. HDPE SDR 13.5 LEAK I SURFACE FOR SOIL LINER FILL <br />INTO MANHOLE -- LEAK DETECTION L <br />DEFECTION PIPE, WITH <br />INCREASE DEPTH WATER TIGHT COUPLINGS FILL 3 DIA. PCPE LEAK EXISTING 3" DIAMETER <br />-- - <br />OF LEAK DEFECTION BEGIN HDPE PIPE DETECTION EXTENSION STRUCTURAL FILL PCPE LEAK DETECTION <br />TRENCH TO 24" BELOW ANCHOR OR NATURAL GROUND PIPE <br />TRENCH SEE DETAIL 8 REMOVE SOIL <br />LINER FILL PLUG <br />(SEE NOTE 3) <br />AFTER REMOVAL OF INTERIM PAD BERM <br />5 LEAK DETECTION SUMP DETAIL 6 TEMPORARY LEAK DETECTION TERMINATION <br />��J— NTS - NTS <br />36" DIA. HDPE SDR 21 <br />WITH COVER OR ENGINEER <br />APPROVED EQUIVALENT <br />(SEE NOTE 1) <br />3" DIA. INLET <br />1" X 2" WOOD STAKE <br />I � r <br />TWINE /WIRE <br />COMPAC77:)/ <br />PR;, <br />0 <br />SEDIMENT LADEN RUNOFF I (: <br />I <br />4 MINIMUM <br />J <br />` 6" MINIMUM^; <br />T 1 STRAW BALE INSTALLATION DETAIL <br />A26O NTS <br />3" DIA. SOLID HDPE SDR 13.5 PIPE <br />WITH WATERTIGHT COUPLERS <br />3" DIA. SPLIT COUPLER <br />3" DIA. PCPE PIPE <br />TYPICAL SOLID HDPE TO PERFORATED <br />CPe PIPE CONNECTION <br />NTS <br />« <br />« <br />f <br />«' <br />2' MINIMUM WOOD OR <br />STEEL POST <br />(SEE NOTE 5) •« <br />«' <br />«' <br />« <br />« <br />« <br />FILTERED RUNOFF '• <br />' f <br />f <br />« <br />f <br />10" MINIMUM <br />I'« <br />�f <br />« <br />f <br />« <br />f <br />« <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 />�R-ow <br />SILT FENCE INSTALLATION DETAIL <br />NTS <br />APPROXIMATE 4 "x4" TRENCH <br />cTOAu, MAI rc <br />y <br />g STRAW 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 SHOULD <br />BE ATTACHED TO A 6" MESH WIRE WHICH HAS BEEN <br />FASTENED 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 />9. AS REQUIRED BY LOCALIZED GRADING, THE UNDERDRAIN CAN <br />BE INSTALLED WITH A MINIMUM SLOPE OF 0.5% WITH <br />APPROVAL FROM THE ENGINEER. <br />