es
oan annmont
FERNCO CAP
(WELLHEAD LOCATED ELSEWHERE)
EASY LEVEL
FILTER/REGULATOR INDICATOR
AND CYCLE COUNTER
QED 8" WELL CAP
> (MODEL GWC8283)
AR FLUID
= —
SUPPLY
DISCHARGE
h \ _— 8° SCH BO PVC WELL CASING
rs LEVEL,
LIQUID PROBE.
| SET AT MID WELL DEPTH
S
WASTE
C
AIR, EXHAUST
& DISCHARGE
FITTINGS
I L+t}-— AP4'B BOTTOM LOADING AUTOPUMP (LONG)
ll BY QED ENVIRONMENTAL OR EQUIVALENT,
I APPROVED BY OWNER
|
l| | B'@SCH QD
| I teu sone NEA
FLUID INLET
i et
3' MIN. | ll
+.
BOTTOM OF WELL
DEWATERING PUMP INSTALLATION
({LFG EXTRACTION WELL)
NOT TO SCALE
NOTES:
4. HDPE PIPE FOR GAS COLLECTION SHALL BE SDR 17. FITTINGS MAYBE SDR 17 OR SDR 11
2. SOLID HDPE PIPE SHALL BE BUTT-FUSION WELDED UNLESS OTHERWISE INDICATED.
EXISTING
WELLHEAD
2" QED PRECISION QUICK-CHANGE™
ORIFICE PLATE WELLHEAD
OR EQUIVALENT APPROVED BY ENGINEER
2"@ KANAFLEX OR SOLARGUARD™
FLEXIBLE HOSE WITH CLAMPS
(OR EQUIVALENT APPROVED BY
THE ENGINEER)
NOTE:
WELLHEAD
Sf Assen
HDPE
RISER
PPE
HDPE TEE
WELD (TYP}
t
GAS FLOW
HDPERISER PIPE
(SIZES VARY; 4'9 OR6'D)
*
GAS FLOW
SINGLE REMOTE WELLHEAD
CONNECTION AT EXISTING WELLHEAD
1. WELLHEAD SHALL BE COMPATIBLE WITH
THE CES/LANDTEC GEM-2000™ AND
GEM-S000"™ LANDFILL GAS MONITORS.
FERNCO FLEXIBLE COUPLING
4"@ x 2"@ HDPE REDUCER
SIZES AND
TYPES VARY
4" HDPE PIPE
4.5! MIN.
6" x 4"@ HDPE REDUCER
6" HDPE PIPE
EXISTING GRADE
x
GAS FLOW
GAS FLOWTO.
BLOWER/FLARE
STATION
WELLHEAD ASSEMBLY
—
@
NOT TO SCALE
8'2 SCH 80
PVC PIPE
5/8" HOLES
NOTES:
4. PERFORATIONS SPACED 80° APARTHORIZONTALLY.
2. PERFORATIONS SPACED 4" APART VERTICALLY.
3. 80° AND 270° ROWS STAGGERED 2" BELOW" AND 180" ROWS.
PERFORATED PVC PIPE
2
NOT TO SCALE (LFG EXTRACTION WELLS)
NOTTO SCALE
EXISTING RISERS FOR n
COMPRESSEDAIR “al EXISTING LFG EXTRACTION WELL
SUPPLY AND WITH DEWATERING PUMP
DEWATERING (DEWATERING PUMP NOT SHOWN)
CONDENSATE MAIN
(TO REMAIN)
EXISTING GRADE
+ N % Xe [ 4
2" SDR 9 HDPE PIPE
(COMPRESSED AIR)
&
3°@ SDR 11 HDPE PIPE our mists
(CONDENSATE MAIN) ANee EES
CONNECTION TO EXISTING AIR SUPPLY
AND CONDENSATE MAIN AT EXISTING
DEWATERED LFG EXTRACTION WELL
NOT TO SCALE
ELASTOMERIC
r END CAP (TYP}
6" HDPE PIPE (TYP} —=
[ EXISTING GRADE
| -— AQUABLOK 2080FW
2! MIN. HYDRATED BENTONITE SEAL
OR EQUIVALENT APPROVED
BY ENGINEER
|,-— ROSS
I— 10 oz/yd? NON-WOVEN
GEOTEXTILE
DOT
}-—— 90° ELBOW (OPEN)
4! MIN. |-— STONE AGGREGATE
L 90° ELBOWS: JS
ELEVATION VIEW
CONDENSATE TRAP
NOTTO SCALE {AT LOW POINTS)
SCALE AS NOTED
SANBORN HEAD
DRAWN BY:
DESIGNED BY:
R. CLAY
R. CLAY
E. STEINHAUSER
D BY:
PROJECTMGR: R. CLAY
Pic: E. STEINHAUSER
Mr
45 Nona ©
a eA
A Apa ts
DATE: JANUARY 2021
iy =O
DESCRIPTION ey
CONCRETE BLOCK WALL CORRECTIVE ACTION PROJECT NUMBER
CITY OF NASHUA
FOUR HILLS LANDFILL 3066.21
NASHUA, NEW HAMPSHIRE
SHEET NUMBER:
DETAILS 5 OF6
