NOTE:
4. REFER TO SHEET 1 FOR ADDITIONAL NOTES AND LEGEND. START OF EXISTING (©
CONCRETE BLOCK WALL
a —_ = :
_
LEGEND (PROPOSED): a
2 LANDFILL GAS (LFG) CONVEYANCE PIPE SS ~
= (SIZE AND SLOPE DIRECTION) <<) s es A ~ ~
3 Ef LAYER
< -
—— AIR —— 2"@ COMPRESSED AIR LINE ~S~ I ~ ~ ~
3"@ DEWATERING CONDENSATE MAIN ROTOR KELL (.2\ ee
@ REMOTE WELLHEAD SK S ~ ~
031 VERTICAL LFG EXTRACTION WELL
WITH DEWATERING PUMP 40 miTHICK
TEXTURED HDPE
40-mil THICK TEXTURED HDPE GEOMEMBRANE GEOMEMBRANE OY
: ~: ae ao
ou i 7 NG
DRAINTUBE™ SURFACE COLLECTION LAYER Vy SSIS , I
w x fe ye e 30} — I
Ys he >
a“ Li, po = sof aa — ey a !
7Oo™
7 Os f J 2
na
ite
st fQ2) I
A .
wR ry Ce
Oe ry CONDENSATE
ae) TRAP We
PHASE Il PTA
FD crue seve een
I WELLHEAD AND TRAP. SLEEVE
TO BE PROVIDED BY CITY
STAGE Il =
A
!
il
er <= REMOTE WELLHEAD {2 ay PHASE il
RS FP in
fy =. CONNECT TO AIRFM (5X
AT EXISTING WELL on Z
BS. Leg / ek Hos0% PAM
ee
40 20! 40! 80"
369 ator posts moat atts posts ------ — 360
i i i i i i i i
wo Po bo bo Po bo bo | 540
Tr 1 T rT 1 T Tr 1
. | | | | FUTURE FINAL GRADE | | |
i sip 4{------ 4------ [__ (FORREFERENCE) Vp 300
i i i i
a 300 , a . ee +o TOP OF CONCRETE BLOCKWALL 300
nh EXISTING GRADE (AUGUST 2020)
i Zl x ee eee | 580 Z
6 1 §
e e
| 200 | — — eter Of EL J) x60
> | >
lu | lw
Da) 280 See 240
BOTTOM OF EXISTING |
I I | CONCRETE BLOCK WALL I
CTT TTT qT TtTT TTT Cott 7 220
COMPACTED SOIL FOUNDATION UNDER WALL I I
(ABOVE LINER SAND) Le J p00
i i AS-BUILT PRIMARY LINER SAND GRADE
4e9 aoe 4o- Lo joe 4-H Li 480
o+s0 100 1480 200 2680 3+00 3450
VERTICAL SCALE STATION = EXISTING CONCRETE BLOCK WALL
40 oo! 40" 80"
« EXISTING CONCRETE BLOCK WALL PROFILE
(FOR INFORMATION ONLY)
o 40!
HORIZONTAL SCALE
DRAWN BY: R. CLAY
CONCRETE BLOCK WALL CORRECTIVE ACTION PROJECT NUMBER:
CITY OF NASHUA
DESIGNED BY: R. CLAY FOUR HILLS LANDFILL 3066.21
D BY: E. STEINHAUSER NASHUA, NEW HAMPSHIRE
(fa PROJECTMGR: R. CLAY PROPOSED EAST WALL SHEET NUMBER:
Pic: E. STEINHAUSER
DATE: JANUARY 2021 CORRECTIVE ACTION PLAN 3 OF 6
SANBORN ll HEAD] usw
: ei
Ea HOWL et
“Hei nntte TOL One DESORPTION EW
