Agenda

90th aahmOnERDNaDSOTES

3
8

EXISTING —_, |

CONCRETE
BLOCK WALL
(HEIGHT
VARIES)

NOTES:

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
< -

3
2
2

9 2001 SANDOR, HEAD & ASSDINTES. MB

Z
é
i
5
zg

=o
TO LANDFILL GAS LPs

O ENERGY n=
IT
£

PREPARED FOR:

CONCRETE BLOCK WALL CORRECTIVE ACTION

FOUR HILLS LANDFILL
NASHUA, NEW HAMPSHIRE
DES-SW-SP-95-002
JANUARY 2021

EXHIBIT C

SHEET INDEX

SHEET 1 EXISTING CONDITIONS PLAN

SHEET 2 PROPOSED WEST WALL CORRECTIVE ACTION PLAN
SHEET 3 PROPOSED EAST WALL CORRECTIVE ACTION PLAN
SHEETS 4-6 DETAILS

FROM: USGS TOPOGRAPHIC MAP- NASHUA, NEWHAMPSHIRE (2003)

LOCUS PLAN

SCALE: 1"=1000'

CITY OF NASHUA

FOUR HILLS LANDFILL

NASHUA, NEW HAMPSHIRE

PREPARED BY:

Specification 15212 - Polyvinyl Chloride (PVC) Pipe And Fittings Page 3 of 3
January 2021 3066.21

J. After solvent welding, the pipe shall remain undisturbed until cement has
reached initial set. As a guideline for joint setting time, use 1 hour for ambient
temperatures between 60 and 100°F, or 2 hours when ambient temperature is
between 40 and 60°F.

K. Pipe and pipe fittings shall be selected so that there will be as small a deviation

Specification 15212 - Polyvinyl Chloride (PVC) Pipe And Fittings Page 2 of 3
January 2021 3066.21

PART 3 - EXECUTION
3.1 PVC PIPE HANDLING
A. PVC pipe and pipe fittings shall be handled carefully in loading and unloading.
They shall be lifted by hoists and lowered on skidways in such a manner as to
avoid shock. Derricks, ropes, or other suitable equipment shall be used for
lowering the pipe into well borings. Pipe and pipe fittings shall not be dropped
or dumped.

3.2 PVC PIPE INSTALLATION

SECTION 15212

POLYVINYL CHLORIDE (PVC) PIPE AND FITTINGS

PART 1 - GENERAL

1.1 SCOPE OF WORK

A.

Supply polyvinyl! chloride (PVC) Schedule 80 pipe and fittings as shown on the
Drawings.

1.2 SUBMITTALS

A.

CONTRACTOR shall submit to ENGINEER manufacturer’s technical product data
and installation instructions for PVC pipe and fittings.

PART 2 - PRODUCTS

2.1 PIPE AND FITTINGS

A.

Specification 15210 - High Density Polyethylene (HDPE) Pipe, Fittings, And Appurtenances

January 2021

Page 8 of 8
3066.21

ATTACHMENT 1 TO SECTION 15210
PIPE PRESSURE AIR TEST LoG

Project No.:
Project Name:
SANBORN |||] HEAD —
Project Location:
Weather:
Contractor: Test No.:

Sanborn Head Personnel:

Person/Company Performing the Test:

Specification 15210 - High Density Polyethylene (HDPE) Pipe, Fittings, And Appurtenances Page 7 of 8
January 2021

3066.21

3.3

A.

PIPE TESTING

CONTRACTOR shall perform a pneumatic test on solid pipe and fittings greater
than 50 ft in length after placement in the trench, in accordance with the
Manufacturer’s recommendations.

Pipes shall be pressure tested in presence of ENGINEER. Provide a minimum 7
days notice to ENGINEER before performing test.

Pneumatic testing shall be performed as follows: