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.
B. CONTRACTOR shall submit to ENGINEER test results of all well backfill
materials furnished.
C. CONTRACTOR shall submit to ENGINEER well logs within 7 days of the
completion of well installations.
1. The well logs shall depict a construction diagram for each well drilled,
including the total depth of the well, the temperature of soils, depth,
thickness, and description of soil or waste strata, and the occurrence of any
water bearing zones.
13 SITE CONDITIONS
A. Obstructions and saturated conditions such as sludges, and foundry sands are
sometimes encountered when drilling in landfills, many of which can be drilled
through. CONTRACTOR is expected to make reasonable effort to drill through
obstructions and saturated conditions and will be paid for offset redrilling and
boring abandonment only with prior written approval from OWNER.
B. Well drilling shall be performed on a level surface. CONTRACTOR shall
provide a level surface at each drilling location as required. The size of the
level area shall be acceptable to the drilling subcontractor. Any soil placed to
level the drilling location shall be removed following well installation.
PART 2 - PRODUCTS
2.1 STONE AGGREGATE
A. Stone Aggregate shall be hard, durable, and resistant to weathering and to
water action, free from overburden, spoil, and organic materials. Stone
SANBORN HEAD
