90th aahmOnERDNaDSOTES
3
8
EXISTING —_, |
CONCRETE
BLOCK WALL
(HEIGHT
VARIES)
NOTES:
Sl 1. EACH VERTICAL LFG EXTRACTION WELL IS TO BE EQUIPPED
él WITH A DEWATERING PUMP. SEE DETAIL 1 ON SHEETS.
il
| 2. EXISTING WELLS WITHIN THE AREA OF GEOMEMBRANE COMPRESSED AIR & DEWATERING SUPPLY
Z| DEPLOYMENT SHALL BE BOOTED. (SEE DETAIL 1 ON SHEET §}
a FERNCO CAP
a 69 PVC PPE
3 6" HDPE PIPE
il Wet CAP 6" PVC FLANGE
&| (SEE DETAIL 1 ON SHEET §) SOAPTER
ty
8 8x6" 6" HDPE
— al EXISTING SMOOTH B88 "6" PVE naNoe
60-MIL HOPE REDUCING TEE TANCE
GEOMEMBRANE
C3
masTING PIPE BOOT
GEOTEXTILES
INSTALL ONE ROLL WIDTH
TRANSITION PIPE
TO BELOW GRADE
Qgp TOREMOTE
reLLHEAD
EL ANCHOR TRENCH
WELL CAP
(SEE DETAIL 1 ON SHEET 5}
40-mil THICK TEXTURED
B'xB'x6" PVE HDPE GEOMEMBRANE 45° MIN.
exISTING REDUCING TEE
(TO REMOTE
WELLHEAD) ©
INTERMEDIATE -—
COVER t
BENTONITE SEAL
SAND/GRAVEL FILTER
40-mil THICK TEXTURED (2FTK2FT -
EXTRUSION WELD GEOMEMBRANE ' |
8°@ SCHEDULE 89 ——]
CUT OUTER GEOTEXTILE SOLID PVC PPE 2
TO ALLOW FOR WELD AND
LEAVE WELD VISIBLE
— 8'9 SCHEDULE80
(Py PIPE JOINT
LFG EXTRACTION WELL Ney ° STONE AGGREGATE
a . a
8°@ SCHEDULE 80
\5_J PERFORATED PVC PPE | WELL DEPTH VARIES
° (SEE WELL SCHEDULE}
. mn
an WASTE
mS _
8°@ PVC END CAP
CRUSHED STONE
6" PERFORATED
HDPE PIPE
— 2.5! MIN ——-|
Cre 5 LFG EXTRACTION WELL CONSTRUCTION
NOT TO SCALE
PRIMARY
GEOMEMBRANE
WELL SCHEDULE
BOTTOM OF TOP OF TOTAL WELL | BOTTOMOF | TOP OF WELL SCREEN | TOP OF CASING
pest tion | NORTHING EASTING WASTE EXISTING DEPTH WELL SCREEN SCREEN LENGTH ELEV.
(FT) WASTE (FT) FT) (FT) (FT) (FT) FT}
v029 822169 10285828 2186 2768 508 226.1 2718 455 281.1
‘vos0 821240 10236198 2319 282.4 427 2394 2774 377 2866
vos 820317 10286584 2247 2838 514 2322, 2788 464 288.1
vos2 19307 10286074 234.5 282.9 409 242.0 2778 35.8 2874
033 818473 10287386 236.5 2863 423 244.0 2813 373 2908
vos4 817549 10237744 2347 2838 nS 2422 2788 365 288.1
GEOMEMBRANE Voss 816632, 1023813.8 232.8 2748 347 230.8 260.5 207 279.0
GEOSYNTHETIC CLAY LINER Voss 818705 10288518 2303 2617 23.9 2378 286.7 189 266.2
INAGE
GEOCOMP OSE 037 818456 10244405 2384 2717 25.8 245.9 266.7 208 276.2
WELL SCHEDULE NOTES:
SECTION VIEW 1. TOP OF EXISTING WASTE ELEVATIONS PRESENTED IN THE WELL SCHEDULE SHALL BE RE-SURVEYED BY CONTRACTOR AND ELEVATIONS SHALL BE PROVIDED TO ENGINEER PRIOR 70 DRILLING.
2. LFG EXTRACTION WELLS SHALL BE INSTALLED WITHIN ONE FOOT OF THE LOCATIONS LISTED IN WELL SCHEDULE.
© NOT TO SCALE
DRAWN BY: R. CLAY CONCRETE BLOCK WALL CORRECTIVE ACTION PROJECT NUMBER
DESIGNED BY: R. CLAY CITY OF NASHUA
© eTINHAUSER FOUR HILLS LANDFILL 3066.21
Dey: E.
SANBORN HEAD Senasneres —
PROJECTMGR: R. CLAY SHEET NUMBER
Pic: E. STEINHAUSER DETAILS 40F6
DATE: JANUARY 2021
TO. DATE DESCRIPTION Ea
