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IN FEET ) <br />x 32.4 <br />z <br />0 <br />a c� <br />M <br />----- --- =w <br />x 35.6 <br />T J <br />i <br />J� <br />x 36`1 _ x 56.1 <br />I I ! I I I I <br />! I I I ! I I <br />I I I I I I <br />x 33.0 <br />700 x 32.5 <br />100 I <br />_ I I 11 II <br />I <br />\ j i x 32.8 � } <br />\ I I II <br />I i <br />J <br />x 32.4 <br />x 32.4 <br />-_--- - ------ -----� <br />x 35.7 -� <br />--------------- <br />x 36.4 - <br />Y 'n� <br />„r <br />-90 <br />90 x 90.7 <br />1/!! x 93.0 x 89.3 x 88.9/ // <br />n77- <br />ITTM <br />x 89.3 <br />1 ! 100 <br />110 <br />x 87.0 /i�ri'iii/' \ <br />x <br />1 1 120 <br />130 x 86.9 \ <br />I 1 m /i/ // //i I \ <br />x 86. <br />x 130.9 <br />11111 x 132-4 ji x 816.8 <br />x 86.8 <br />x <br />Pfd' <br />1 !!jl ' Iilliil <br />111 111 <br />131.8 // 1111 II x 85.3 x � � II I II <br />o � 1 <br />Jllll N� 1111111 x 85.3 <br />o 00 <br />11f 11 <br />SGP-1OB <br />x 32.4 <br />x 32.9 <br />x 33.2 <br />x 33.1 <br />z <br />0 <br />z <br />w <br />_HLLl <br />� 00)a <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 />-11 <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, PPE SUPPORTS, AND FLEX HOSES <br />I I� - - - - - - - - - - - - ® INSTALL TEMPORARY 4' PVC CAP ON HDPE WELL LATERAL <br />►�Z-------------------------- Q ox 6.9 (APPROXIMATELY 2' BELOW GRADE) <br />x 36.9 nz © INSTALL TEMPORARY 18" PVC CAP ON BELOW GRADE 18' <br />r- 11 PVC/HDPE HEADER (APPROXIMATELY 2' BELOW GRADE FOR HDPE) <br />"vim � y INSTALL TEMPORARY 2 CAP ON AIR LINE <br />k � EXISTING OVANT�t-E1RGY-Hf�4BER- -r-- --�- -� " <br />�_ 8 INSTALL TEMPORARY 2' CAP ON CONDENSATE LINE <br />= T - INSTALL SALVAGED WELL MANIFOLD PER 5 OR 6 <br />.JI 10 INSTALL 2" SCH 80 PVC PIPE & FITTINGS (LATERAL EXTENSION) <br />9 / 111111111 III 50 11 INSTALL TEMPORARY WELL LATERAL EXTENSION PER OR <br />SALVAGE EXISTING ABOVE GRADE GAS HEADER PIPING <br />6 13 CUT & CAP EXISTING COVANTA VERTICAL WELL CASING 2' BELOW <br />_ GRADE AND SALVAGE WELLHEAD ASSEMBLY <br />60 60 so 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 />M1 0 70 16 INSTALL TEMPORARY 2" HDPE AIR LINE JUMPER TO EXISTING AIR UNE <br />d' 17 INSTALL TEMPORARY 2" HDPE CONDENSATE LINE JUMPER TO EXISTING <br />_ 2" CONDENSATE UNE <br />\\ \ I 18 INSTALL SALVAGED 18" PVC HEADER, 2" HDPEAIR LINE, 4 <br />\ AND 2" HDPE CONDENSATE LINES ON PIPE SUPPORTS PER e <br />INSTALL SALVAGED WELLHEAD PER 1 OR 1 <br />\�� \ 900 INSTALL/EXTEND 4" HDPE WELL LATERAL PIPING TO HEADER OR MANIFOLD <br />90 - 21 ABANDON OR REMOVE TEMPORARY GAS, AIR, & CONDENSATE LINE JUMPERS <br />JOIN EXISTING 18' HDPE OR PVC HEADER, 2' HDPE AIR & CONDENSATE LINES <br />\� \\ 3 REINSTALL COVANTA GAS SYSTEM ON GRADE <br />\\ \\ 7 <br />x 91.1 x 91.3 2i�4 INSTALL SALVAGED FLEX HOSE PER 1 <br />11 x 90.8 I-' 25 EXTEND CONDENSATE PUMP STATION VAULT PER <br />1111 W © INSTALL SALVAGED 18" HDPE BELOW GRADE HEADER, 1 <br />x 89.1 1 90 W 2" HDPE COMPRESSED AIR AND CONDENSATE LINES PER <br />= <br />5 1 <br />1 ® INSTALL SINGLE PIPE SUPPORT PER 5 <br />1111 1 <br />x 89.�111 x 89.0 x 89.3 8 INSTALL 10" x 6" PVC TEE OR SADDLE <br />l <br />1111129 REMOVE/SALVAGE EXISTING CONDENSATE PUMP STATION <br />1111 L!1 30 INSTALL SALVAGED CONDENSATE PUMP STATION <br />11111 W 31 INSTALL 8" HDPE ELBOW <br />N 3 INSTALL 18' x 8" HDPE SADDLE <br />x 87.011111 x 87.4 x 87.1 /'' / / x 86.9 33 INSTALL 14" x 8' PVC REDUCER <br />llll �' LV 34 INSTALL 14" PVC ELBOW (0 FLEX HOSE REDUCER) <br />/' 1111 Z 35 INSTALL 8' HDPE FLANGE ADAPTER, BACK-UP RING, & HARDWARE <br />r 111 36 INSTALL 8' PVC FLANGE & HARDWARE <br />111 J 37 INSTALL SALVAGED 18" PVC FLANGE & HARDWARE <br />Illi x a5.o x 854 = 38 INSTALL SALVAGED 18' HDPE FLANGE ADAPTER & HARDWARE <br />. <br />x 85.2 Ilx 85.2 () 39 INSTALL SALVAGED 18" x 4" HDPE LOW POINT TEE <br />INSTALL 18" PVC BLIND FLANGE & HARDWARE <br />1 41 INSTALL 6" CSP SLEEVE AT ROAD CROSSING <br />ill <br />11 � <br />�w�► <br />�oQROFEss,alq� <br />N. S;-, F2 <br />a �� z <br />it No. 22631 m <br />Exp. 12-31-05 <br />s <br />TNj� CIV <br />STAGE <br />FORWARD LANDFILL <br />FINAL GAS SYSTEM PLAN <br />IA PARTIAL FINAL CLOSURE CONSTRUCTION PLANS <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 />DESIGNED BY <br />R.M.G. <br />SCALE AS SHOWN <br />DRAWN BY : <br />M.T.B./C.A.L. <br />DATE 06-05 FILE NO.: 86306DB <br />CHECKED BY <br />R.M.G. <br />DATE 06-05 <br />DATE : 06-05 SHEET G8 OF 26 <br />NO. <br />REVISION DESCRIPTION <br />BY: <br />APPROVED BY <br />: B.A.S. <br />