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■ 1! <br />V33,8x <br />3X.8 <br />I <br />N x <br />x 33.8 i <br />GR PHIC S ALE i <br />i0 25 0 <br />IN FEET) <br />x 33x7 <br />x 33.2 <br />x 3.9 <br />x 33.5 <br />33.8 <br />x <br />x 33.4 <br />x 33.6 <br />33.8 <br />x <br />,re <br />33.6 <br />x 33.8 <br />x 33.7 <br />34.1 <br />x <br />I <br />�3.8 <br />r: <br />J 1 27.3 x �� 1 <br />1 <br />x 3 9 <br />1 <br />s <br />x 27.3 111 <br />1x <br />I <br />i <br />x 27.2 <br />0 <br />MI\o <br />x 27.3 <br />x 27.9 / <br />0 <br />I <br />1 <br />11 11 <br />1 <br />x''11 <br />o �' 1 <br />x 116.8 <br />x 87.3 <br />�J& <br />x 87.0 <br />c <br />x 88.8 <br />x 80.8 <br />x 87.0 <br />x 86.2 <br />x 87.5 +, <br />a <br />x 71.1 <br />1 <br />11 , <br />x 130.6 x 130-8 x 130.4 <br />11 <br />11 <br />11 <br />11 <br />-130 <br />L <br />x 116.5 I <br />I <br />x 88.8 0 x 88.4 <br />x 87.4 <br />x 86.7 <br />x 72.9 x 71.4 1,-,' x 69.5 <br />x 69.0 <br />x 69.3 <br />x 87.0 <br />x 87.1 <br />x 70.9 x 70.5 <br />x 69.4 <br />x 69.2 <br />x 67.1 x 65.5 <br />x 66.7 <br />x 65.2 <br />LEGEND <br />® <br />EXISTING COVANTA ENERGY VERTICAL GAS WELL <br />EXISTING BELOW GRADE VERTICAL GAS WELL <br />- <br />2" HDPE CONDENSATE CONVEYANCE LINE <br />- - - - <br />2" HDPE COMPRESSED AIR LINE <br />..... -- <br />18" HDPE BELOW GRADE HEADER <br />1 1 1 1 1-1 1-I- <br />18" PVC HEADER ON PIPE SUPPORTS <br />- - - - - - - <br />EXISTING 4" HDPE WELL LATERAL <br />EXISTING CONDENSATE PUMP STATION <br />N <br />FLEX HOSE <br />LFG CONSTRUCTION NOTES. <br />1 PROTECT EXISTING GAS SYSTEM IN-PLACE <br />2 SURVEY LOCATION PRIOR TO FINAL COVER PLACEMENT <br />3 SALVAGE EXISTING WELL MANIFOLD/WELLHEAD ASSEMBLY <br />4 SALVAGE EXISTING 18' PVC/HDPE HEADER, 2' HDPE AIR LINE <br />AND CONDENSATE LINES, PIPE SUPPORTS, AND FLEX HOSES <br />® INSTALL TEMPORARY 4' PVC CAP ON HDPE WELL LATERAL <br />(APPROXIMATELY 2' BELOW GRADE) <br />© <br />INSTALL <br />PVC/HDPE HEADER (APPROXIMATELY 2' BELOW GRADE 1FOR HDPE) <br />88 INSTALL TEMPORARY 2' CAP ON AIR UNE <br />INSTALL TEMPORARY 2' CAP ON CONDENSATE UNE <br />® INSTALL SALVAGED WELL MANIFOLD PER6 ORD <br />10 INSTALL 2" SCH 80 PVC PIPE & FTfTINGS (LATERAL EXTENSION) <br />11 INSTALL TEMPORARY WELL LATERAL EXTENSION PER 1 OR 3 <br />' 12 SALVAGE EXISTING ABOVE GRADE GAS HEADER PIPING <br />13 CUT & CAP EXISTING COVANTA VERTICAL WELL CASING 2' BELOW <br />GRADE AND SALVAGE WELLHEAD ASSEMBLY <br />14 EXTEND WELL CASING & INSTALL WELLHEAD AFTER FINAL COVER PLACEMENT <br />15 INSTALL AND CONNECT TEMPORARY BELOW GRADE 8" HDPE JUMPER TO <br />EXISTING 18' HDPE HEADER <br />16 INSTALL TEMPORARY 2" HDPE AIR UNE JUMPER TO EXISTING AIR UNE <br />17 INSTALL TEMPORARY 2" HDPE CONDENSATE UNE JUMPER TO EXISTING <br />2 CONDENSATE UNE <br />18 INSTAL_ SALVAGED 18" PVC HEADER, 2' HDPE AIR UNE, 4 <br />AND 2" HDPE CONDENSATE LINES ON PIPE SUPPORTS PER 1 <br />19 INSTALL SALVAGED WELLHEAD PER OR <br />_0 INSTALL/EXTEND 4" HDPE WELL LATERAL PIPING TO HEADER OR MANIFOLD <br />21 ABANDON OR REMOVE TEMPORARY GAS, AIR, & CONDENSATE UNE JUMPERS <br />JOIN EXISTING 18' HDPE OR PVC HEADER, 2" HDPE AIR & CONDENSATE ONES <br />@ REINSTAL COVANTA GAS SYSTEM ON GRADE <br />® INSTALL SALVAGED FLEX HOSE PER <br />1 1 <br />©5 EXTEND CONDENSATE PUMP STATION VAULT PER e <br />x © INSTALL SALVAGED 18" HDPE BELOW GRADE HEADER, e <br />1 <br />2" HDPE COMPRESSED AIR AND CONDENSATE ONES PER <br />® INSTALL SINGLE PIPE SUPPORT PER 5 <br />1 <br />28 INSTALL 10" x 6" PVC TEE OR SADDLE <br />29 REMOVE SALVAGE EXISTING CONDENSATE PUMP STATION <br />30 INSTALL SALVAGED CONDENSATE PUMP STATION <br />31 INSTALL 8" HDPE ELBOW <br />3 INSTALL 18' x 8' HDPE SADDLE <br />33 INSTALL 14" x 8' PVC REDUCER <br />34 INSTALL 14" PVC ELBOW (0 FLEX HOSE REDUCER) <br />x 6 35 INSTALL 8" HDPE FLANGE ADAPTER, BACK-UP RING, & HARDWARE <br />36 INSTALL 8" PVC FLANGE & HARDWARE <br />3 INSTALL SALVAGED 18' PVC FLANGE & HARDWARE <br />38 INSTALL SALVAGED 18" HDPE FLANGE ADAPTER & HARDWARE <br />39 INSTALL SALVAGED 18' x 4' HDPE LOW POINT TEE <br />40 INSTALL 18" PVC BUND FLANGE & HARDWARE <br />41 INSTALL 6" CSP SLEEVE AT ROAD CROSSING <br />& ASSOCIATES <br />URYKNTA. STIIL &ENVIRONMENTAL ENGINEERS <br />CONSULTING CIVIL <br />1360 E. VALLEY VISTA DRIVE <br />DIAMOND BAR, CALIFORNIA 91765 <br />(909) 860-7777 <br />QftOFESS/ON <br />N. sT7� � <br />A <br />of No. 22631 <br />it m <br />Exp. 12-31-05 <br />Tye C 1 <br />FORWARD LANDFILL <br />GAS SYSTEM REMOVAL PLAN <br />STAGE IA PARTIAL FINAL CLOSURE CONSTRUCTION PLANS <br />DESIGNED BY R.M.G. <br />SCALE AS SHOWN <br />DRAWN BY M.T.B./C.A.L. <br />DATE 06-05 FILE NO86299DB <br />CHECKED BY : R.M.G. <br />DATE 06-05 �+ <br />1 OF ZV <br />DATE : 06-05 SHEET:,.: <br />NO. <br />REVISION DESCRIPTION <br />BY: <br />APPROVED BY : B.A.S. <br />