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OSHA SAFETY CAPS ON TOP OF REBAR <br /> Q STAKES, TYP. <br /> NO. 6 REBAR STAKES INSTALLED APPROX. HDPE SDR 17 LFG HEADER <br /> EVERY 20' OF PIPE RUN (DIA. VARIES) w <br /> FULL SIZE HDPE SDR 11 TEE WITH Q <br /> CONCENTRIC REDUCERS TO LATERAL DIA. <br /> N SAND BEDDING �_ HDPE SDR 17 LFG LATERAL <br /> (DIA. VARIES) <br /> EXISTING GROUND SURFACE CLEAN SOIL <br /> MIN. 3% SLOPE FROM EXTRACTION WELL BACKFILL z <br /> FULL SIZE HDPE SDR 11 TEE WITH O <br /> EXISTING GRADE CONCENTRIC REDUCERS TO LATERAL DIA. cn <br /> w <br /> ch <br /> -PpER <br /> HDPE SDR-17 HEADER/ <br /> LATERAL(SIZE VARIES) \fir RX�R <br /> z <br /> N NOTES: aaaaaa <br /> 0 <br /> 1. HDPE MOLDED TEES USED TO TIE-IN 2"0 AND LARGER LFG LATERALS TO 8"0 HEADER HDPE SDR 17 LFG LATERAL <br /> o AND SMALLER. <br /> D (DIA. VARIES) <br /> Lc) <br /> 2. 1' MIN. OF SAND PLACED BELOW EACH TEE. THE SAND WAS INSTALLED SO IT _ CD <br /> m EXTENDS T MIN. IN EACH DIRECTION OF THE TEE. SAND WAS SLIGHTLY MOISTENED Lu <br /> AND HAND-TAMPED PROVIDING SUPPORT TO ALL POINTS OF THE TEE. CLEAN, SAND BEDDING o <br /> o GRADED SOIL WAS HAND-TAMPED ABOVE TEE (1' MIN.) BEING CAREFUL TO ELIMINATE o J <br /> NOTES: ALL VOIDS. <br /> (n J <br /> Z LL_ <br /> HDPE SDR 17 LFG HEADER TEE SHALL BE ANGLED TO PROVIDE < z <br /> 1. SOIL MOUNDS USED FOR STABILIZATION ON LONG RUNS WITH LITTLE ELEVATION 3. ELECTRO-FUSION COUPLERS WERE NOT TO USED UNLESS PRE-APPROVED BY (DIA. VARIES) PROPER SLOPE INTO HEADER o w Q v <br /> N CHANGE. REBAR USED ON SIDE SLOPES. SOME PIPES REQUIRED SOIL AND REBAR OWNER. w o w <br /> `V FOR STABILIZATION AS DIRECTED BY THE ENGINEER. HEADER TIE-IN SECTION VIEW 3 a_ ; Q z <br /> NOT TO SCALE DS5 N <br /> `�' 2. WHEN USE OF SOIL MOUNDS WAS APPROPRIATE, TWO FEET OF SOIL WAS PLACED LFG LATERAL TIE-IN WITH TEE DETAIL 2 J o 0 <br /> C) OVER PIPE FOR FIVE FEET. SOIL MOUND SPACING EVERY 50' OF PIPE RUN. NOT TO SCALE DS5 w <br /> w <br /> 3. WHEN USE OF REBAR WAS APPROPRIATE, REBAR SPACED EVERY 20' OF PIPE RUN. o <br /> 6U w <br /> � w <br /> w O <br /> ABOVE-GRADE PIPE STABILIZATION DETAIL 1 <br /> �I <br /> NOT TO SCALE DS5 <br /> Q) <br /> Ln <br /> CQu <br /> rc <br /> Lu <br /> EXISTING PVC LFG PIPE (SIZE VARIES) cc <br /> o PVC SHC 40 TEE <br /> c <br /> Q PVC SHC 40 REDUCERS <br /> W AS REQUIRED <br /> uiv <br /> Q� PVC SHC 40 LFG PIPE FLANGE ASSEMBLY WITH <br /> VALVE, WHERE SHOWN <br /> 0 <br /> ON PLAN <br /> Lu <br /> i w <br /> z <br /> ct <br /> t PA <br /> FROM WELLFIELD z o <br /> M o ww w <br /> LfZJ <br /> JY r� <br /> co <br /> 0 a- <br /> a� <br /> HDPE SDR-17 PIPE ~ <br /> PVC FLANGE Q <br /> ADAPTER7 HDPE SDR-17uu <br /> FLANGE ADAPTER J <br /> W = _ <br /> N <br /> NOTES: Z m o <br /> O <br /> 1. IF USING VALVE, EVERY OTHER BOLT INSTALLED THROUGH BOTH FLANGES, AND O m m <br /> EVERY OTHER BOLT THOUGH FLANGE ON HEADER SIDE THROUGH VALVE ONLY. J z Y <br /> ami VALVE IS ASAHI TYPE 57 (2"-14"), TYPE 56 (16"), TYPE 75 (18"-24"), OR PDCPD (28"-40") < o in 0 <br /> BUTTERFLY VALVE. GEAR OPERATED, PVC BODY PPDISK, FITRILE OR VITON SEATS ZCN <br /> Ldco <br /> Q AND SEALS. LLJ �o <br /> .1 O <br /> �r 2. VALVE INCLUDES HDPE FLANGE ADAPTER, D.I. BACKUP RING, AND GALVANIZED OR Z o Q o _ <br /> U � � Z <br /> o ZINC PLATED NUTS, BOLTS AND WASHERS, HDPE VALVE SPACER OR ROUTER o o N in <br /> Z N <br /> N <br /> Q FLANGE ADAPTER TO ALLOW VALVE TO FULLY OPEN. O� > � Q � o m <br /> oZMQ� Z <br /> 00 W N � <br /> LLJ 0-) K Z' <br /> ti a o <br /> U <br /> DATE: <br /> HDPE TO PVC TIE-IN DETAIL 4 09/05/2023 <br /> Q NOT TO SCALE 1,DSI SCALE: <br /> o AS SHOWN <br /> DD SHEET: <br /> DFOR <br /> DS5 <br />