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1' <br />MINIMUM <br />40 mil SMOOTH / <br />LLDPE <br />GEOMEMBRANE <br />3" DIA. CPe PIPE ON 1 % <br />MINIMUM GRADE TO SUMP <br />1' <br />MINIMUM <br />1' <br />MINIMUM <br />OVERLAP GEOTEXTILE <br />1' MINIMUM <br />12 oz/yd' <br />NONWOVEN GEOTEXTILE <br />DETECTION FILL <br />J 1LEAK DETECTION TRENCH <br />0 NTS <br />20UND 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 />COMPACTED SOIL TO <br />PREVENT PIPING <br />SEDIMENT LADEN RUNOFF <br />i Ni`�T�TiT�� <br />/x, <br />, ,0 <br />REMOVABLE <br />COVER <br />2, <br />(SEE NOTE 2) <br />1' MINIMUM <br />2' <br />1' MINIMUM <br />36" DIA. HDPE SDR21 <br />WITH COVER OR ENGINEER <br />APPROVED EQUIVALENT <br />(SEE NOTE 1) <br />3" DIA. INLET <br />1" X 2" WOOD STAKE <br />6" MINIMUM <br />TWINE /WIRE <br />—FILTERED SEEPAGE <br />4" MINIMUM <br />_r <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 , <br />T I <br />I I I <br />I <br />I I <br />I <br />1 % i <br />INSERT PIPE --�' <br />INTO MANHOLE <br />INCREASE DEPTH <br />OF LEAK DETECTION <br />TRENCH TO 24" <br />2' MINIMUM <br />STRUCTURAL <br />FILL PAD BERM <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 />LEAK DETECTION SUMP DETAIL <br />—3" DIA. SOLID HDPE SDR 13.5 PIPE <br />WITH WATERTIGHT COUPLERS <br />3" DIA. SPLIT COUPLER- <br />NTS <br />3" DIA. CPe PIPE <br />TYPICAL SOLTD NnPF Tn PFRVnnAlPV" <br />2' MINIMUM <br />UFe F <br />WOOD OR — <br />STEEL POST <br />(SEE NOTE 5) <br />x , <br />10" MINIMUM w' <br />1 <br />CONNECTION <br />NTS <br />+ ++ <br />i' <br />J <br />A260 <br />\-3" DIAMETER <br />CPe LEAK <br />DETECTION PIPE <br />-LEAK DETECTION <br />FILL <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 />SLOW <br />10 STRAW BALE INSTALLATION DETAIL 11 SILT FENCE INSTALLATION DETAIL <br />260 NTS A260 <br />NTS <br />APPROXIMATE 4 "x4" TRENCH <br />2' MINIMUM DRAIN <br />COVER FILL <br />1 MINIMUM SOIL <br />LINER FILL — — <br />LEAK DETECTION SYSTEM, <br />3" DIA. CPe LEAK <br />DETECTION EXTENSION <br />REMOVE SOIL <br />LINER FILL PLUG <br />(SEE NOTE 3) <br />J <br />A260 <br />-- — ��— J 3' MINIMUM OVERLAP <br />EXTRUSION WE] D - \I <br />�\ STRUCTURAL FILL <br />OR NATURAL GROUNDD\,\\-, <br />80 mil TEXTURED <br />(TEXTURE FACE DOWN) <br />LLDPE GEOMEMBRANE <br />PREPARED FOUNDATION <br />SURFACE FOR SOIL LINER FILL <br />-- EXISTING 3" DIAMETER <br />CPe LEAK DETECTION <br />PIPE <br />TEMPORARY LEAK DETECTION TERMINATION <br />NTS <br />9 STRAW BALE EXTENT DETAIL <br />260 NTS <br />NOTES: <br />1. <br />MANHOLE WITH LADDER ACCESS ALONG ENTIRE DEPTH <br />OF MANHOLE. <br />2. <br />MINIMUM STORAGE VOLUME OF 100 GALLONS BELOW <br />3" DIA. SOLID HDPE PIPE INLET, <br />3. <br />REMOVE SOIL LINER PLUG AFTER REMOVAL OF INTERIM PAD <br />BERM, <br />4. <br />STRAW BALES TO EXTEND FAR ENOUGH LATERALLY SO <br />SURFACE WATER RUNOFF WILL SPILL OVER TOP OF STRAW <br />BALES. <br />5. <br />SPACE POSTS 6' TO 10' APART. <br />6. <br />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. <br />SOIL LINER FILL PLUG DIMENSIONS TO BE 1'x1'x1' <br />8. <br />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 />CLIENT CRIPPLE CREEK <br />& VICTOR <br />GOLD MINING <br />COMPANY <br />PROJECT <br />PHASE 5 <br />VLF <br />TITLE <br />1 08/26/11 ISSUED FOR RECORD OF CONSTRUCTION JNM <br />JNM <br />0 9/15/08 ISSUED FOR CONSTRUCTION JFL <br />DISCLAIMER <br />AMEC PRODUCED THE INFORMATION PRESENTED ON THIS DRAWING THROUGH THE <br />USE OF TECHNICAL INFORMATION AND PRACTICAL EXPERIENCE SPECIFIC TO ITS <br />EFFORTS. RECEIVING THIS DRAWING DOES NOT GUARANTEE ANY RIGHTS TO SUCH <br />TECHNICAL INFORMATION AND PRACTICAL EXPERIENCE. ANY ALTERATION OR <br />ADAPTATION OF THE DATA OR CONTENTS OF THIS DRAWING SHALL BE AT USER'S <br />SOLE RISK AND WITHOUT ANY LIABILITY OR LEGAL RESPONSIBILITY TO AMEC. <br />LEAK DETECTION AND <br />TYPICAL EROSION CONTROL DETAILS <br />DESIGNED BY JFL <br />DRAWN BY AJM <br />FILENAME <br />1125D110 <br />CHECKED BY JNM <br />APPROVED BY KFM <br />DRAWING No. REV <br />A280 1 <br />