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LXXxXxxxxxxxXXxxxx,xxXXxXxxxxXXxxxxXx x 37.5 x 37.4 t_ ------ ----- x 37.5 x38T- x_ 38.8 x 39.3 x 39.E x 38.3 34.8 x APHI GRC S 7 -LE` SGP -1 -� x 34.7 50 25 50 1fl0 /'^ wow \ /X/27 \ ( IN FEET) -� . x 34.0 / / x 33.9 \ x 35.1 / \ x 34.9 x 33.2 ` zz \ \ x 33.6 / x 33.6 \x 33.4\ \ // x 33.2 z Z \ \ 04 (n z TFqk W- -. '� �� Q w z0 J X Q] ... �- - - - ------ ' ... z FQ- O O > -H st J O W C9 i- ONS )p Q O '_ Oo > II qt X00 O�� O� _--------- • • • moi c°'�-�-------------r��oo -- �rn�`rn au��------- z rl d1�. c ¢ ---- ---- -- 3 --- r x 38. `- x 39.1 t'-`. N x 38.9 -� F- "'+--� x 39.1 x 37.2�ju�`�----- ----- i?p ` --- ---i+icN- r-- ---fi- ag_� O� M�� x 37.4 � II x 7.8 1� I - - -� (*D s} - CSW^ d --x 38.3 -------- �pl- 3�rn� ad II >_ ¢ �� d- _ 1 PROTECT EXISTING GAS SYSTEM IN-PLACE 2 SURVEY LOCATION PRIOR TO FINAL COVER PLACEMENT 3 SALVAGE EXISTING WELL MANIFOLD/WELLHEAD ASSEMBLY 4 SALVAGE EXISTING 18" PVC HDPE HEADER, 2" HDPE AIR UNE AND CONDENSATE LINES, PPE SUPPORTS, AND FLEX HOSES O INSTAL_ TEMPORARY 4" PVC CAP ON HDPE WELL LATERAL (APPROXIMATELY 2' BELOW GRADE) © INSTALLTEMPORARY 18' PVC CAP ON BELOW GRADE 18' PVCPE HEADER (APPROXIMATELY 2' BELOW GRADE FOR HDPE) Jo.zw IIt9?� t ozw c�? =zw - z CDZz -�� -Tryozw Oz - -- TT T--�T- 7 INSTAL. TEMPORARY 2" CAP ON AIR LINE x 3 _ _ '1 _ �8 INSTALL TEMPORARY 2' CAP ON CONDENSATE UNE x 3 .9 Em- lffj"�g,I IAm■�1'` �• x 91.3 1111111 Illllll 1!11111 Illllll 1111111 1111111 1111111 IIICII89.3 !111111 Illllll �111f1�� �� VIII ��-,• 11111 x 87.1 IIII 1111 IIII 1111 1111 IIII 1111 1111 1j11 x 11 I I x 85.5 85.4 1111 1111 1111 1111 I1It ce N0. MCI _x 39.6_ x 39.9 _ _ x 92.5 ------ 111 - x 91.� ------ T I M I JOIN EXISTING LATERAL AT TOP OF SLOPE jlllll11111 I 1 x 90.4 x 90.7 j111111111 11111{1 11111111 _ 1111111 i 1111111 1 �j��j � Iilllll 11{1j1 � � � Illllll l i l i Illllll x 88.7 l l l l l l �� 111111 j111111 111111 � 1111111 111111 1111111 1111j1 1111141 111111 Illllll 1;111; Illllll I ill mull11111,, x 87.7 l- x 87.5 / 1111 x 87.9 11 11111111 c,87.3 111111 ' - j / I11j 111111 // 1�1j 111111 / I{Il 111111 I 111111 / II��111{1 x 85.2 I VIII 1111 � � 11111 IIII �� Hili IIII � � 11111 1111 1{111 1 Y ae x 84.5 11 n 111 - - x 83.9 REVISION DESCRIPTION BY: ® z 40.8 _ _ <40.5 �9 INSTALL SALVAGED WELL MANIFOLD PER 5 OR 6 �� _ - - 10 INSTALL 2" SCH 80 PVC PIPE & FITTINGS (LATERAL EXTENSION) :.2� 50 MIN 11 INSTALL TEMPORARY WELL LATERAL EXTENSION PER 1 OR 3 1 12 SALVAGE EXISTING ABOVE GRADE GAS HEADER PIPING 13 CUT & CAP EXISTING COVANTA VERTICAL WELL CASING 2' BELOW 60 GRADE AND SALVAGE WELLHEAD ASSEMBLY 14 EXTEND WELL CASING & INSTALL WELLHEAD AFTER FINAL COVER PLACEMENT 15 INSTALL AND CONNECT TEMPORARY BELOW GRADE 8" HDPE JUMPER TO EXISTING 18" HDPE HEADER 70 16 INSTALL TEMPORARY 2' HDPE AIR LINE JUMPER TO EXISTING AIR LINE 17 INSTALL TEMPORARY 2" HDPE CONDENSATE LINE JUMPER TO EXISTING 2' CONDENSATE LINE �8 18 INSTALL SALVAGED 18" PVC HEADER, 2" HDPE AIR UNE, q AND 2" HDPE CONDENSATE LINES ON PIPE SUPPORTS PER 4 <blo �k 19 INSTALL SALVAGED WELLHEAD PER 1 OR � 1 90 0 INSTALL/EXTEND 4" HDPE WELL LATERAL PIPING TO HEADER OR MANIFOLD 21 ABANDON OR REMOVE TEMPORARY GAS, AIR, & CONDENSATE UNE JUMPERS _ --__o 22 JOIN EXSTING 18" HDPE OR PVC HEADER, 2 HDPE AIR & CONDENSATE LINES - - - - - - - - - r 3 REINSTALL COVANTA GAS SYSTEM ON GRADE ® INSTALL SALVAGED FLEX HOSE PER 7 ©5 EXTEND CONDENSATE PUMP STATION VAULT PER e 1 LIJ © INSTALL SALVAGED 18" HDPE BELOW GRADE HEADER, 1 W 2" HDPE COMPRESSED AIR AND CONDENSATE UNES PER ` 1 = Q7 INSTALL SINGLE PIPE SUPPORT PER x 89.4 Co 8 INSTALL 10" x 6' PVC TEE OR SADDLE 9 REMOVE/SALVAGE EXISTING CONDENSATE PUMP STATION LIJ 30 INSTALL SALVAGED CONDENSATE PUMP STATION W 31 INSTALL 8' HDPE ELBOW co 3 INSTALL 18" x 8" HDPE SADDLE x 87.5 33 INSTALL 14" x 8' PVC REDUCER 34 INSTALL 14" PVC ELBOW (0 FLEX HOSE REDUCER) LIJ 35 INSTALL 8" HDPE FLANGE ADAPTER, BACK-UP RING, & HARDWARE Z 36 INSTALL 8" PVC FLANGE & HARDWARE 3 INSTALL SALVAGED 18" PVC FLANGE & HARDWARE .1 38 INSTALL SALVAGED 18" HDPE FLANGE ADAPTER & HARDWARE 2 39 INSTALL SALVAGED 18' x 4" HDPE LOW POINT TEE V 40 INSTALL 18" PVC BUND FLANGE & HARDWARE F' 41 INSTALL 6" CSP SLEEVE AT ROAD CROSSING BRYAN A. STIRRAT & ASSOCIATES CONSULTING CIVIL & ENVIRONMENTAL ENGINEERS 1360 E. VALLEY VISTA DRIVE DIAMOND BAR, CALIFORNIA 91765 (909) 860-7777 QROFESs,o LEGEND ® EXISTING COVANTA ENERGY VERTICAL GAS WELL ® EXISTING BELOW GRADE VERTICAL GAS WELL - 2" HDPE CONDENSATE CONVEYANCE LINE - - - - 2" HDPE COMPRESSED AIR LINE - - - - - - - 18" HDPE BELOW GRADE HEADER -1 1 1 1-1.1 1 18" PVC HEADER ON PIPE SUPPORTS - - - - - EXISTING 4" HDPE WELL LATERAL AIAL EXISTING CONDENSATE PUMP STATION N FLEX HOSE LFG CONSTRUCTION NOTES 1 PROTECT EXISTING GAS SYSTEM IN-PLACE 2 SURVEY LOCATION PRIOR TO FINAL COVER PLACEMENT 3 SALVAGE EXISTING WELL MANIFOLD/WELLHEAD ASSEMBLY 4 SALVAGE EXISTING 18" PVC HDPE HEADER, 2" HDPE AIR UNE AND CONDENSATE LINES, PPE SUPPORTS, AND FLEX HOSES O INSTAL_ TEMPORARY 4" PVC CAP ON HDPE WELL LATERAL (APPROXIMATELY 2' BELOW GRADE) © INSTALLTEMPORARY 18' PVC CAP ON BELOW GRADE 18' PVCPE HEADER (APPROXIMATELY 2' BELOW GRADE FOR HDPE) Jo.zw IIt9?� t ozw c�? =zw - z CDZz -�� -Tryozw Oz - -- TT T--�T- 7 INSTAL. TEMPORARY 2" CAP ON AIR LINE x 3 _ _ '1 _ �8 INSTALL TEMPORARY 2' CAP ON CONDENSATE UNE x 3 .9 Em- lffj"�g,I IAm■�1'` �• x 91.3 1111111 Illllll 1!11111 Illllll 1111111 1111111 1111111 IIICII89.3 !111111 Illllll �111f1�� �� VIII ��-,• 11111 x 87.1 IIII 1111 IIII 1111 1111 IIII 1111 1111 1j11 x 11 I I x 85.5 85.4 1111 1111 1111 1111 I1It ce N0. MCI _x 39.6_ x 39.9 _ _ x 92.5 ------ 111 - x 91.� ------ T I M I JOIN EXISTING LATERAL AT TOP OF SLOPE jlllll11111 I 1 x 90.4 x 90.7 j111111111 11111{1 11111111 _ 1111111 i 1111111 1 �j��j � Iilllll 11{1j1 � � � Illllll l i l i Illllll x 88.7 l l l l l l �� 111111 j111111 111111 � 1111111 111111 1111111 1111j1 1111141 111111 Illllll 1;111; Illllll I ill mull11111,, x 87.7 l- x 87.5 / 1111 x 87.9 11 11111111 c,87.3 111111 ' - j / I11j 111111 // 1�1j 111111 / I{Il 111111 I 111111 / II��111{1 x 85.2 I VIII 1111 � � 11111 IIII �� Hili IIII � � 11111 1111 1{111 1 Y ae x 84.5 11 n 111 - - x 83.9 REVISION DESCRIPTION BY: ® z 40.8 _ _ <40.5 �9 INSTALL SALVAGED WELL MANIFOLD PER 5 OR 6 �� _ - - 10 INSTALL 2" SCH 80 PVC PIPE & FITTINGS (LATERAL EXTENSION) :.2� 50 MIN 11 INSTALL TEMPORARY WELL LATERAL EXTENSION PER 1 OR 3 1 12 SALVAGE EXISTING ABOVE GRADE GAS HEADER PIPING 13 CUT & CAP EXISTING COVANTA VERTICAL WELL CASING 2' BELOW 60 GRADE AND SALVAGE WELLHEAD ASSEMBLY 14 EXTEND WELL CASING & INSTALL WELLHEAD AFTER FINAL COVER PLACEMENT 15 INSTALL AND CONNECT TEMPORARY BELOW GRADE 8" HDPE JUMPER TO EXISTING 18" HDPE HEADER 70 16 INSTALL TEMPORARY 2' HDPE AIR LINE JUMPER TO EXISTING AIR LINE 17 INSTALL TEMPORARY 2" HDPE CONDENSATE LINE JUMPER TO EXISTING 2' CONDENSATE LINE �8 18 INSTALL SALVAGED 18" PVC HEADER, 2" HDPE AIR UNE, q AND 2" HDPE CONDENSATE LINES ON PIPE SUPPORTS PER 4 <blo �k 19 INSTALL SALVAGED WELLHEAD PER 1 OR � 1 90 0 INSTALL/EXTEND 4" HDPE WELL LATERAL PIPING TO HEADER OR MANIFOLD 21 ABANDON OR REMOVE TEMPORARY GAS, AIR, & CONDENSATE UNE JUMPERS _ --__o 22 JOIN EXSTING 18" HDPE OR PVC HEADER, 2 HDPE AIR & CONDENSATE LINES - - - - - - - - - r 3 REINSTALL COVANTA GAS SYSTEM ON GRADE ® INSTALL SALVAGED FLEX HOSE PER 7 ©5 EXTEND CONDENSATE PUMP STATION VAULT PER e 1 LIJ © INSTALL SALVAGED 18" HDPE BELOW GRADE HEADER, 1 W 2" HDPE COMPRESSED AIR AND CONDENSATE UNES PER ` 1 = Q7 INSTALL SINGLE PIPE SUPPORT PER x 89.4 Co 8 INSTALL 10" x 6' PVC TEE OR SADDLE 9 REMOVE/SALVAGE EXISTING CONDENSATE PUMP STATION LIJ 30 INSTALL SALVAGED CONDENSATE PUMP STATION W 31 INSTALL 8' HDPE ELBOW co 3 INSTALL 18" x 8" HDPE SADDLE x 87.5 33 INSTALL 14" x 8' PVC REDUCER 34 INSTALL 14" PVC ELBOW (0 FLEX HOSE REDUCER) LIJ 35 INSTALL 8" HDPE FLANGE ADAPTER, BACK-UP RING, & HARDWARE Z 36 INSTALL 8" PVC FLANGE & HARDWARE 3 INSTALL SALVAGED 18" PVC FLANGE & HARDWARE .1 38 INSTALL SALVAGED 18" HDPE FLANGE ADAPTER & HARDWARE 2 39 INSTALL SALVAGED 18' x 4" HDPE LOW POINT TEE V 40 INSTALL 18" PVC BUND FLANGE & HARDWARE F' 41 INSTALL 6" CSP SLEEVE AT ROAD CROSSING BRYAN A. STIRRAT & ASSOCIATES CONSULTING CIVIL & ENVIRONMENTAL ENGINEERS 1360 E. VALLEY VISTA DRIVE DIAMOND BAR, CALIFORNIA 91765 (909) 860-7777 QROFESs,o FORWARD LANDFILL A. spiF2 FINAL GAS SYSTEM PLAN A STAGE IA PARTIAL FINAL CLOSURE CONSTRUCTION PLANS No. 22631 Exp. 12-31-05 DESIGNED BY R.M.G. SCALE AS SHOWN DRAWN BY : M.T.B./C.A.L. DATE 06-05 FILE NO.: 86307DB s� IV11 �q CHECKED BY R.M.G. DATE 06-05 DATE 06-05 SHEET G9 OF 26 APPROVED BY : B.A.S.