Agenda

SECTION 02560
LANDFILL GAS EXTRACTION WELLS
PART 1 - GENERAL
11 SCOPE OF WORK

A. Supply all equipment, materials, and labor needed to install landfill gas
extraction wells as specified herein and as indicated on the Drawings.

12 SUBMITTALS

A. CONTRACTOR shall submit to ENGINEER Certificates of Compliance on
materials furnished, and manufacturer’s brochures containing complete
information and instructions pertaining to the storage, handling, installation,
and inspection of pipe and appurtenances furnished.

[END OF SECTION 02550]

P:\3000s\3066.2 1\Source Files\Tech Specs\ Division 2 Specifications\Section 02550 Geomembrane.docx

File No. 3066.21 Geomembrane 02550 - 10 of 10 January 2021

3.6 INSTALLATION CONTRACTOR QC TESTING

A. The Installation Contractor shall non-destructively test the full length of all
seams to ensure watertight, homogeneous seams. Test methods shall consist of
vacuum box testing, air-pressure testing of double-fusion seams, or other
methods approved by the manufacturer and the CQA Consultant. The test shall
be performed as work progresses, rather than at the completion of all field
seaming.

3.5

other defects shall extend a minimum of 6 inches beyond the edges of the defect.
All corners of patches shall be rounded with a radius of at least 3 inches.

TRIAL SEAM TESTING

A.

3.4

GEOMEMBRANE SEAMING

A.

Seaming equipment shall be equipped with temperature gauges and readout
devices that enable continuous monitoring of equipment temperatures during
seaming. Electric generators shall be capable of providing constant voltage
under load and shall be underlain with a splash pad to collect spilled fuel or oil
when located on the GGcomembrane.

3.3 GENERAL INSTALLATION

A.

The Installation Contractor shall be responsible for field handling, storing,
placing, and seaming, plus any other processes required to assemble a
continuous secure Gcomembrane.

Installation shall be performed under the direction of a competent field
technical representative. The technical representative shall be in charge of the
installation and shall be responsible for the work performed.

Smoking is prohibited on the GGomembrane or other geosynthetics associated
with the project.

contamination by foreign matter.

5. The Geomembrane delivered to the site shall be accompanied by a QC

Certificate for each roll (roll Certificates must be provided to the CQA
Consultant prior to shipment to the job site), and shall be identified with a
distinctive code that will serve as the identification number on the as-built
drawing.

7. The texturing of the GGomembrane shall be regular and uniform. Rolls of

B. Geomembrane Specifications

1. The Geomembrane Manufacturer shall deliver Geomembrane that is in
conformance with the specifications below.

Property Test Method Value
Thickness (min. ave.): 40 mil
Lowest individual reading (-10%) ASTM D5994 34 mil
Asperity Height (min. ave.) ASTM D7466 16 mil

; ASTM D1505_ or
Formulated Density 2 0.94 g/cc

1.5

1.6

The manufacturer shall furnish complete written instructions for storage,
handling, installation, seaming, repair, and inspection of the Geomembrane
material in compliance with this Specification and conforming to the conditions
of the warranty. A copy of all manufacturer’s literature shall be submitted to the
CQA Consultant upon request.

PROJECT MEETINGS

A.

personnel training; performing QC testing during Geomembrane installation;
and maintaining records documenting installation.

G. Subgrade Surface: The soil surface that immediately underlies geosynthetic
material.

13 SUBMITTALS

A. CONTRACTOR shall submit the following information to ENGINEER:

1. ‘Installation Contractor qualifications, including project descriptions with
references.