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LEGEND <br />I 1 (D EXISTING COVANTA ENERGY VERTICAL GAS WELL <br />J36.. - EXISTINGSEVERTICAL CONVEYANCEALINE EL <br />x x 36.7 x 37.6 2 HDPE CONDENSATE <br />- - - - - 2" HDPE COMPRESSED AIR LINE <br />T7 ....... <br />18" HDPE BELOW GRADE HEADER <br />18" PVC HEADER ON PIPE SUPPORTS <br />II x 33.0- EXISTING 4" HDPE WELL LATERAL <br />I <br />J <br />... x 32.5 I I I �- _� <br />------ I _r ® EXISTING CONDENSATE PUMP STATION <br />x 32.4 <br />G R H I 30 �, ... ( x 32.8 I I �-- N FLEX HOSE <br />2 50 100 \ \ I i I , / x 32.9 / // <br />33.2. LFG CONSTRUCTION NOTES <br />( IN FEET \ <br />1 PROTECT EXISTING GAS SYSTEM IN-PLACE <br />�� - � x 33.1 2 SURVEY LOCATION PRIOR TO FINAL COVER PLACEMENT <br />x 32.4 3 SALVAGE EXISTING WELL MANIFOLD/WELLHEAD ASSEMBLY <br />x 32.4 \ -'/ / 4 SALVAGE EXISTING 18 PVC HDPE HEADER, <br />�- -� 2" HDPE AIR UNE <br />AND CONDENSATE LINES, PIPE SUPPORTS, AND FLEX HOSES <br />x 32.4 W ° <br />z <br />------------------------ <br />x 35.6 x 35. <br />Ion <br />I TT-�- <br />3( <br />x 131 <br />O INSTALL TEMPORARY 4 PVC CAP ON HDPE WELL LATERAL <br />(APPROXIMATELY 2' BELOW GRADE) <br />---------------- ------------------------------- © INSTALL TEMPORARY 18" PVC CAP ON BELOW GRADE 18" <br />_ ----- x 36.6 x 3f�4 ------------------- -------------------------- <br />8 x 36.9 z INSTALL -TE_dUMP-ER PVC/HDPE HEADER (APPROXIMATELY 2' BELOW GRADE FOR HDPE) <br />-�\ 7a � RE PHASE 4 REMOVAL 7 INSTALL TEMPORARY 2" CAP ON AIR LINE <br />1 3 ! \ 0- EERINNGC COVANTA -^��_ 8 INSTALL TEMPORARY 2° CAP ON CONDENSATE UNE <br />T <br />2 4 1% MIN z 0.5% MIN g0 6. <br />INSTALL SALVAGED WELL MANIFOLD PER OR <br />l l i ^ I I 1 I� 1 I �4 i 1 1 1 1 A _ �- - -� - �J,.•-T-1-i-7�--I- I 1 11 1 1 I� t---" I 117 L -T _------ C <br />riirrri//rr r <br />rir iriri r <br />/iirrr ri <br />M w <br />90.7 <br />x 89.3 <br />89.3 <br />x 87.0 x 87/21 j/viii/' \ \ <br />%iii iii I x 86.9 \ <br />0)iii ii ��i I \ x 86. <br />x16.8 <br />/iii <br />Xz/ <br />86.8 I <br />II III <br />85.3 <br />I <br />1111111 x 85.3 <br />111111 <br />l.. I <br />6 PLACES <br />x 91.3 <br />x 89.3 <br />i <br />x 87.1 <br />x 85.0 <br />10 INSTALL 2 SCH 80 PVC PIPE & FITTINGS (LATERAL EXTENSION) <br />11 INSTALL TEMPORARY WELL LATERAL EXTENSION PER OR 3) <br />1 <br />12 SALVAGE EXISTING ABOVE GRADE GAS HEADER PIPING <br />_50- <br />@ <br />5013 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 />iso EXISTING 18" HDPE HEADER <br />16 INSTALL TEMPORARY 2" HDPE AIR LINE JUMPER TO EXISTING AIR LINE <br />17 INSTALL TEMPORARY 2" HDPE CONDENSATE LINE JUMPER TO EXISTING <br />2" CONDENSATE LINE <br />18 INSTALL SALVAGED 18" PVC HEADER, 2" HDPE AIR LINE, 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 LINE JUMPERS <br />- 2 JOIN EXISTING 18" HDPE OR PVC HEADER, 2" HDPE AIR & CONDENSATE LINES <br />3 REINSTALL COVANTA GAS SYSTEM ON GRADE <br />7 <br />0 ® INSTALL SALVAGED FLEX HOSE PER e <br />25 EXTEND CONDENSATE PUMP STATION VAULT PER <br />1 <br />t- © INSTALL SALVAGED 18" HDPE BELOW GRADE HEADER, 1 <br />W 2" HDPE COMPRESSED AIR AND CONDENSATE LINES PER 1 <br />W ® INSTALL SINGLE PIPE SUPPORT PER 5 <br />1 <br />= 8 INSTALL 10" x 6" PVC TEE OR SADDLE <br />!A 29 REMOVE/SALVAGE EXISTING CONDENSATE PUMP STATION <br />30 INSTALL SALVAGED CONDENSATE PUMP STATION <br />UJ 31 INSTALL 8" HDPE ELBOW <br />W 32 INSTALL 18" x 8' HDPE SADDLE <br />(n 33 INSTALL 14" x 8" PVC REDUCER <br />34 INSTALL 14' PVC ELBOW (0 FLEX HOSE REDUCER) <br />x 86.9 W 35 INSTALL 8' HDPE FLANGE ADAPTER, BACK-UP RING, & HARDWARE <br />36 INSTALL 8' PVC FLANGE & HARDWARE' <br />Z 3 INSTALL SALVAGED 18" PVC FLANGE & HARDWARE <br />J 38 INSTALL SALVAGED 18" HDPE FLANGE ADAPTER & HARDWARE <br />= 39 INSTALL SALVAGED 18" x 4' HDPE LOW POINT TEE <br />x 85.4 ii 40 INSTALL 18° PVC BLIND FLANGE & HARDWARE <br />41 INSTALL 6" CSP SLEEVE AT ROAD CROSSING <br />H <br />Q <br />ALCL <br />BRYAN A. STIRRAT &ASSOCIATES <br />CONSULTING CIVIL &ENVIRONMENTAL ENGINEERS <br />1360 E. VALLEY VISTA DRIVE <br />DIAMOND BAR, CALIFORNIA 91765 <br />(909) 860-7777 <br />\1 FESS/0' <br />�e��� P• s �yc <br />Z <br />No. 22631 m <br />Exp. 12-31-05 <br />s <br />IV <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 <br />FILE NO.: 86301 DB <br />CHECKED BY R.M.G. <br />DATE: 06-05_ <br />SHEET G3 OF 26 <br />APPROVED BY B.A.S. <br />DATE : 06-05 <br />N0. <br />REVISION DESCRIPTION <br />BY: <br />