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I o <br />I <br />I <br />33.8x I M <br />3X 8 <br />N I LOW POINT <br />PUMP STATI x' <br />x N 8498.7 <br />E 1949.4 <br />GR=35.81 <br />x 33.8 j o INV=29.8 1 <br />GRAPHIC SCALE 1 <br />50 25 0 50 100 <br />� \ 27.9 x I <br />( IN FEET) x 1.4 <br />I <br />x 337 <br />I <br />x 33.2 Mot <br />x 2 , IGt T �14 <br />'A1�IGVE TT <br />i N 8319.9 <br />E 195x94 <br />x 3$.9 <br />I p <br />x 33.5 <br />I v <br />i p <br />� 33.8 <br />x o <br />i 1 <br />x 33.4 I ANG POIN <br />N 81 5.9 <br />E 20106.5 <br />GR= 5.Ot <br />SGP- INV= 8.0 <br />28.8x Lo <br />Il <br />7/27.3x H H POINTN 8043.9 <br />E 2007.4 <br />x G =34.Of x 3 .9 <br />1 =38.6 <br />x 33.6 K <br />33.8 <br />I <br />x 27.3 M� <br />DAYLIGHT x0. <br />N 7898.7 <br />E 2022.3 <br />X 3.6 GR=34.0t <br />33.8 x I INV=34.0 <br />x 1 <br />SI <br />\\ . LOW POINT <br />x 27.2 PUMP STATION # <br />7844.0 40� <br />2030.0 <br />FG -.37.0f <br />TOP OF EX. VAUL I <br />i&l <br />.6x 33 7 M NEW VAUX4.1 14 <br />I (4 VAU T EXTENSI N) <br />Ix 27.3 <br />I <br />a7 � <br />I ! <br />�1 <br />x 27.9 <br />NO. I REVISION DESCRIPTION I BY: <br />x 87.3 <br />o / � <br />87.0 <br />0 <br />n <br />76.1 <br />g0 <br />�7 <br />x 88.8 <br />x 87.0 <br />Ef:. N <br />x 72.9 <br />x 80.8 <br />x 87.5 <br />x 71.4 <br />x 71.1 <br />11 � <br />x 130.6130.4 <br />1;1 x 130.8 x <br />11 <br />11 <br />It <br />11 <br />---130 t t <br />1 <br />it <br />11 <br />1� <br />I <br />120 <br />I <br />I <br />x 116.5 I <br />I <br />I <br />i <br />x 88.8 x 88.4 <br />x 89.0 <br />x 87.4 <br />:� <br />x 86.7 <br />x 71.1 <br />x 69.0 <br />x 69.5 <br />x 69.3 <br />x 87.0 <br />I <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 />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 />x 65.2 <br />LEGEND <br />® EXISTING COVANTA ENERGY VERTICAL GAS WELL <br />EXISTING BELOW GRADE VERTICAL GAS WELL <br />- 2" HDPE CONDENSATE CONVEYANCE LINE <br />- - - - 2" HDPE COMPRESSED AIR LINE <br />- - - - - - - 18" HDPE BELOW GRADE HEADER <br />11 1-1 1-1 1-I- 18" PVC HEADER ON PIPE SUPPORTS <br />- - - - - - - EXISTING 4" HDPE WELL LATERAL <br />EXISTING CONDENSATE PUMP STATION <br />N 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 />O INSTALL TEMPORARY 4" PVC CAP ON HDPE WELL LATERAL <br />(APPROXIMATELY 2' BELOW GRADE) <br />�6 INSTALLTEMPORARY 18" PVC CAP ON BELOW GRADE 18" <br />PVCPE HEADER (APPROXIMATELY 2' BELOW GRADE FOR HDPE) <br />INSTALL TEMPORARY 2' CAP ON AIR LINE <br />8 INSTALL TEMPORARY 2" CAP ON CONDENSATE LINE <br />09 INSTALL SALVAGED WELL MANIFOLD PER 5 OR 6 <br />10 INSTALL 2' SCH 80 PVC PIPE & FrMNGS (LATERAL EXTENSION) <br />11 INSTALL TEMPORARY WELL LATERAL EXTENSION PER1 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 I.,STALL TEMPORARY 2' HDPE CONDENSATE UNE JUMPER TO EXISTING <br />2 CONDENSATE UNE <br />18 INSTALL SALVAGED 18' PVC HEADER, 2" HDPE AIR UNE„q, <br />AND 2" HOPE CONDENSATE LINES ON PIPE SUPPORTS PER e <br />19 INSTALL SALVAGED WELLHEAD PER 1 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 />2 JOIN EXISTING 18" HDPE OR PVC HEADER, 2" HDPE AIR & CONDENSATE ONES <br />3 REINSTALL COVANTA GAS SYSTEM ON GRADE <br />® INSTALL SALVAGED FLEX HOSE PER <br />1 1 <br />x ©5 EXTEND CONDENSATE PUMP STATION VAULT PER <br />© INSTALL SALVAGED 18" HDPE BELOW GRADE HEADER,1 <br />2" HDPE COMPRESSED AIR AND CONDENSATE LINES PER <br />INSTALL SINGLE PIPE SUPPORT PER(5 <br />1 <br />8 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 />x 6 34 INSTALL 14" PVC ELBOW (0 FLEX HOSE REDUCER) <br />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 BLIND FLANGE & HARDWARE <br />41 INSTALL 6" CSP SLEEVE AT ROAD CROSSING <br />FORWARD LANDFILL <br />FINAL GAS SYSTEM PLAN <br />STAGE IA PARTIAL FINAL CLOSURE CONSTRUCTION PLANS <br />DESIGNED BY <br />R.M.G. <br />SCALE <br />AS SHOWN <br />DRAWN BY : <br />M.T.B./C.A.L. <br />DATE <br />06-05 FILE NO.: 86304DB <br />CHECKED BY <br />R.M.G. <br />DATE <br />06-05 <br />06-05 SHEET G6 OF 26 <br />APPROVED BY <br />: B.A.S. <br />DATE <br />