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2011-12-15_REVISION - M1980244 (14)
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2011-12-15_REVISION - M1980244 (14)
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Entry Properties
Last modified
8/24/2016 4:46:08 PM
Creation date
11/28/2012 3:49:26 PM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
M1980244
IBM Index Class Name
Revision
Doc Date
12/15/2011
Doc Name
LEAK DETECTION & TYPICAL EROSION CONTROL DETAILS
From
CC&V
To
DRMS
Type & Sequence
TR64
Media Type
M
Archive
No
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1' 1' 1' <br />40 mil SMOOTH <br />LLDPE <br />GEOMEMBRANE <br />3" DIA. CPe PIPE ON 190 "— <br />MINIMUM GRADE TO SUMP <br />a <br />OVERLAP GEOTEXTILE <br />1' MINIMUM <br />— 12 oz /yd' <br />NONWOVEN GEOTEXTILE <br />LEAK DETECTION FILL <br />f )LEAK DETECTION TRENCH <br />2 Oj NTS <br />GROUND SURFACE <br />WELDED BASE -J <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 />1' MINIMUM <br />1' MINIMUM <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 />-, <br />TWINE /WIRE <br />�- -j -- - -- FILTERED SEEPAGE <br />px// i <br />4" MINIMUM <br />6" MINI <br />10 )STRAW BALE INSTALLATION DETAIL <br />A\ 260/ NTS <br />3 �- <br />L <br />3 EACH METAL PIPE BOLLARDS <br />(MINIMUM 4" DIA.) EMBEDDED IN AND <br />FILLED WITH CONCRETE <br />7 <br />80 , <br />3' i \ <br />INSERT PIPE <br />INTO MANHOLE <br />" <br />,I <br />36" DIA. HDPE MANHOLE <br />INCREASE DEPTH <br />OF LEAK DETECTION <br />TRENCH TO 24" <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 />11 )LEAK DETECTION SUMP DETAIL <br />6 Oj NTS <br />3" DIA. SPLIT <br />J J <br />A280 A280 <br />1----- <br />0 2' MINIMUM DRAIN U ��J �✓ O a t <br />COVER FILL Q r <br />3' MINIMUM OVERLAP <br />i F.M1' MINIMUM SOIL EXTRUSION WE <br />LINER FILL " /�� 80 mil TEXTURED <br />(TEXTURE FACE DOWN) <br />3" DIAMETER I LEAK DETECTION SYSTEM LLDPE GEOMEMBRANE <br />CPe LEAK L o <br />DETECTION PIPE I PREPARED FOUNDATION <br />LEAK DETECTION IL_� SURFACE FOR SOIL LINER FILL <br />FILL 3" DIA. CPe LEAK EXISTING 3" DIAMETER <br />DETECTION EXTENSION STRUCTURAL FILL CPe LEAK DETECTION <br />OR NATURAL GROUND PIPE <br />REMOVE SOIL <br />LINER FILL PLUG <br />(SEE NOTE 3) <br />AFTER REMOVAL OF INTERIM PAD BERM <br />PIPE /-3° DIA. CPe PIPE <br />TYPICAL SOLID HDPE TO PERFORATED <br />CPe PIPE CONNECTION <br />NTS <br />2' MINIMUM <br />10" MINIMUM <br />WOOD OR <br />STEEL POST <br />(SEE NOTE 5) <br />« <br />« <br />« <br />« <br />« <br />« <br />« <br />« <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 />11 )SILT FENCE INSTALLATION DETAIL <br />260J NTS <br />4 "x4" TRENCH <br />TEMPORARY LEAK DETECTION TERMINATION <br />NTS <br />OTMA\•/ MAI f- <br />g )STRAW BALE EXTENT DETAIL <br />6O 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 />B. 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 />
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