BID ITEM DEFINITIONS EXHIBIT A
2021 Four Hills Landfill Gas Expansion
Nashua, New Hampshire
Prepared January 22, 2021
The following describes the Bid Items and the mechanism for payment to CONTRACTOR for
each Bid Item. All incidental costs such as overhead, profit, and insurance shall be factored
into the Bid Item unit prices. All measurements are based on plan view areas and lengths
without consideration of slope. Bidders should factor slope adjustments into their Bid Item
unit prices.
Bid Item No. 1 Mobilization/Demobilization
This item requires that CONTRACTOR furnish and/or deliver to the job site all labor,
materials, resources, and temporary support facilities, including but not limited to portable
sanitary facilities and equipment necessary to perform the required Work. In addition,
CONTRACTOR shall prepare all required written plans and schedules, including but not
limited to: Site-Specific Health and Safety Plan, initial and progress construction schedules,
and subcontractor work plans. One half of this item will be paid as part of the initial
progress payment after temporary support facilities are set up and construction equipment
and materials are on site. The remainder will be paid for demobilization after the Work is
deemed substantially complete, CONTRACTOR has provided As-built Documents in
accordance with the requirements of the Specifications, and CONTRACTOR has
demobilized from the Site, which shall include removal of all materials, resources,
equipment, temporary support facilities, and all remaining construction debris at the
completion of the Work.
Bid Item No. 2 Vertical LFG Extraction Wells
This item requires that CONTRACTOR provide all labor, materials, and equipment to
construct nine (9) drilled, vertical landfill gas (LFG) extraction wells at the locations
indicated on the Drawings. Labor shall include preparing level drilling pads, drilling and
well construction, odor control, and waste relocation to the active face of the landfill as
designated by OWNER. Materials shall include solid and slotted schedule 80 PVC pipe,
including all fittings and connections, and accompanying earthen materials. The Work shall
be performed using bucket-auger drilling techniques, as defined in the Specifications.
CONTRACTOR shall also furnish and install temporary end caps and any and all fittings
(connections, wyes, tees, and elbows), required to complete the Work; not all fittings
needed are shown on the Drawings. This item will be paid on a unit basis per linear foot of
well depth drilled.
Bid Item No. 3 Dewatering Pumps
This item requires that CONTRACTOR provide all labor, materials, tools, and equipment to
furnish and install dewatering pumps in proposed vertical LFG extraction wells
File No. 3066.21 1 of 4 January 2021
