BID ITEM DEFINITIONS
2017 Landfill Gas System Expansion
Four Hills Landfill
Nashua, New Hampshire
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 Record 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 Furnish and Install Dewatering Pumps
This item requires that CONTRACTOR provide all labor, materials, tools, and equipment to
furnish and install dewatering pumps in the existing vertical landfill gas (LFG) extraction
wells where indicated on the Drawings. Labor shall include the removal of existing
wellheads, installation of new well cap assemblies, installation of pumps and
appurtenances, re-installation of the existing wellheads, and connections to compressed air
line and dewatering condensate main. Materials shall include well caps, pumps, fittings,
and appurtenances as indicated on the Drawings. Not all necessary fittings are shown on
the Drawings. CONTRACTOR is responsible for providing all materials needed for a
complete installation of the pump assembly and must ensure that the pump is operational.
This item will be paid on a unit basis for each dewatering pump installed.
Bid Item No. 3 Furnish and Install Air and Condensate Main Pipe
This item requires that CONTRACTOR provide all labor, materials, tools, and equipment to
furnish and install the 2-inch diameter SDR-9 HDPE compressed air pipe and the 3-inch
diameter SDR-11 HDPE condensate main pipe and fittings as indicated on the Drawings
and Specifications. Work shall include:
File No. 3066.07 1 of 4 October 2016
