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..-_._............. . <br />x�x z x -x x x x x x If x x x x <br />37.5 x 37.4 <br />X 37.5 x3 A A A A A x <br />~- \ x 38.3 <br />GRAPHII A / \ x 34.725 so <br />\ \ \ - <br />x 2.7 <br />( IN FEET) V-� x 34.0 / / x 33.9 <br />/ x 34.9 <br />x 33.2 \ \ \ <br />x 33.6 / / x 33.6 <br />x .33.2 E 4 x 33.4_�REM\ \ <br />OV A . <br />x 37.2 ------------/ --_-------------- - <br />x 37. x 37.8 <br />T �---f -�-- 1 MIN_ <br />L <br />9 t -_x_1-__ <br />E !11�7 r <br />Fl__- <br />-90 <br />VV Illiffl� <br />x 91.3 I1llfll <br />Illllll <br />190 <br />Illllll <br />Illllll <br />Illfll 89.3 <br />Illllll <br />Illlfll� <br />Iflli <br />Iffll <br />x 87.1 <br />IIII <br />fill <br />IIII <br />III <br />I <br />I II <br />Illf <br />Iffij <br />If II x 85.5 <br />IIII <br />Ilfl <br />IIII <br />flLl <br />ill! <br />x 85.4 <br />x 90.4 <br />x 87. / <br />NO. I REVISION DESCRIPTION <br />- V LEGEND <br />_x_x x x x x ® EXISTING COVANTA ENERGY VERTICAL GAS WELL <br />x 39.3x 39.2 EXISTING BELOW GRADE VERTICAL GAS WELL <br />- - - - - - - - - - - - - - - - - - - - - - - - - <br />2" HDPE CONDENSATE CONVEYANCE LINE <br />- - - 2" HDPE COMPRESSED AIR LINE <br />- - - - - - - 18" HDPE BELOW GRADE HEADER <br />34.8x -{-1 1 1 1 1-4- 18" PVC HEADER ON PIPE SUPPORTS <br />------ <br />- EXISTING 4" HDPE WELL LATERAL <br />��A EXISTING CONDENSATE PUMP STATION <br />N FLEX HOSE <br />LFG CONSTRUCTION NOTES <br />/ 1 PROTECT EXISTING GAS SYSTEM IN-PLACE <br />/ x 35.1 2 SURVEY LOCATION PRIOR TO FINAL COVER PLACEMENT <br />3 SALVAGE EXISTING WELL MANIFOLD/WELLHEAD ASSEMBLY <br />SALVAGE EXISTING 18" PVC HDPE HEADER, 2" HDPE AIR UNE <br />VO, <br />AND CONDENSATE UNES, PIPE SUPPORTS, AND FLEX HOSES <br />5O INSTAL_ TEMPORARY 4" PVC CAP ON HDPE WELL LATERAL <br />(APPROXIMATELY 2' BELOW GRADE) <br />- - - - - - - - - - - - - - - - - - - - - - - <br />x--2 -------- --- x 39.1 ----------------'-X 38.3 x 38.9 x 39.1 © PVC/HDPE <br />TEMPORARY 18° PVC CAP ON BELOW GRADE 18" <br />ISTTIN_G C - -- OVANT*-ENERGYT- -_r- --r- T- �- �- T- T T -T T T ' +�`C/HDPE HEADER (APPROXIMATELY 2' BELOW GRADE FOR HDPE) <br />0.5% MIN x 39.9 j' -rHEADER SYSTEM - INSTALL.PRA <br />TEMPORARY JUMPER PER BEFORE 7 INSTALL TEMPORARY 2" CAP ON AIR UNE <br />_ _ 88 INSTALL TEMPORARY 2" CAP ON CONDENSATE UNE <br />RLMLE! AM - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - <br />a- .-x_59.F1 - - - - x 39.6 - x 39.9 _ x 40. - "" x �4CT 5 5 6 <br />/ <br />�wC <br />FORWARD LANDFILL <br />100"l <br />�oQROFESSj <br />N. STFy <br />IIII <br />60 <br />IIII <br />BRYAN A. STINAL & ASSOCIATES <br />CONSULTING CIVIL &ENVIRONMENTAL ENGINEERS <br />w No. 22631 m <br />STAGE <br />IA PARTIAL FINAL CLOSURE CONSTRUCTION PLANS <br />IIII <br />1360 E. VALLEY VISTA DRIVE <br />Exp. 12-31-05 A <br />DESIGNED BY <br />R.M.G. <br />SCALE AS SHOWN <br />DIAMOND BAR, CALIFORNIA 91765 <br />(909) 860-7777 <br />BY: <br />x 92.5 j i i <br />}11111!1 x 91.2 <br />11111111 <br />PHASE 4 <br />INSTALL SALVAGED WELL MANIFOLD PER,1OR� <br />----ice-- <br />10 INSTALL 2" SCH 80 PVC PIPE & FITTINGS (LATERAL EXTENSION) <br />6 11 INSTALL TEMPORARY WELL LATERAL EXTENSION PER 1 OR 3 <br />8 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 LINE JUMPER TO EXISTING <br />2 CONDENSATE UNE <br />18 INSTALL SALVAGED 18" PVC HEADER, 2' HDPE AIR UNE, 4 <br />AND 2" HDPE CONDENSATE UNES ON PIPE SUPPORTS PER 1 <br />19 INSTALL SALVAGED WELLHEAD PER I OR 2 <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 />x 91.2 JOIN EXISTING 18' HDPE OR PVC HEADER, 2" HDPE AIR & CONDENSATE UNES <br />to 3 REINSTALL COVANTA GAS SYSTEM ON GRADE <br />j I I l 1 1111 REMOVAL AREA ® INSTALL SALVAGED FLEX HOSE PER j <br />EXTEND CONDENSATE PUMP STATION VAULT PER <br />1 <br />1111111 so W © INSTALL SALVAGED 18' HDPE BELOW GRADE HEADER, 1 <br />i 1111111 W 2" HDPE COMPRESSED AIR AND CONDENSATE UNES PER 1 <br />/ I I i I I I ► _ ©7 INSTALL SINGLE PIPE SUPPORT PER 5 <br />� 1111111 <br />1111111 x 89.4 <br />Illllll (/) 8 INSTALL 10" x 6" PVC TEE OR SADDLE <br />1111111 29 REMOVE/SALVAGE EXISTING CONDENSATE PUMP STATION <br />1141 I I I LIJ 30 INSTALL SALVAGED CONDENSATE PUMP STATION <br />1111111 <br />1 111111 W 31 INSTALL 8" HDPE ELBOW <br />co 32 INSTALL 18' x 8" HDPE SADDLE <br />x 87.9 11111111` --X,,87.3 x 87.5 33 INSTALL 14" x 8" PVC REDUCER <br />INSTALL 14" PVC ELBOW (0 FLEX HOSE REDUCER) <br />111111 <br />111 111 W 35 INSTALL 8' HDPE FLANGE ADAPTER, BACK-UP RING, & HARDWARE <br />1 11111 Z 36 INSTALL 8" PVC FLANGE & HARDWARE <br />i 111 I I 37 INSTALL SALVAGED 18' PVC FLANGE & HARDWARE <br />111111 x 85.2 <br />11111 = 38 INSTALL SALVAGED 18" HDPE FLANGE ADAPTER & HARDWARE <br />I I I I 1 39 INSTALL SALVAGED 18' x 4" HDPE LOW POINT TEE <br />� � 11111 V <br />I I ! I l 40 INSTALL 18" PVC BUND FLANGE & HARDWARE <br />I11I1 , - ~ 41 INSTALL 6' CSP SLEEVE AT ROAD CROSSING <br />111►II �� a <br />x 83.911 Adr\ S <br />�wC <br />FORWARD LANDFILL <br />�oQROFESSj <br />N. STFy <br />GAS SYSTEM REMOVAL PLAN <br />BRYAN A. STINAL & ASSOCIATES <br />CONSULTING CIVIL &ENVIRONMENTAL ENGINEERS <br />w No. 22631 m <br />STAGE <br />IA PARTIAL FINAL CLOSURE CONSTRUCTION PLANS <br />1360 E. VALLEY VISTA DRIVE <br />Exp. 12-31-05 A <br />DESIGNED BY <br />R.M.G. <br />SCALE AS SHOWN <br />DIAMOND BAR, CALIFORNIA 91765 <br />(909) 860-7777 <br />s <br />� <br />DRAWN BY <br />M.T.B./C.A.L. <br />DATE 06-05 FILE NO.: 86302DB <br />IVIL <br />C <br />CHECKED BY: <br />R.M.G. <br />DATE 06-05 <br />APPROVED BY <br />B.A.S. <br />DATE 06-05 SHEET G4 OF 26 <br />