BID ITEM DEFINITIONS
Concrete Block Wall
Four Hills Landfill
Nashua, New Hampshire
The following describes the Bid Items and the mechanism for payment to CONTRACTOR for each
completed 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 have been delivered to the Site. The remainder will be
paid for demobilization after the Work has been 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 Concrete Blocks
This Bid Item includes all labor, materials, equipment, tools, and apparatus as necessary, to furnish
and install concrete blocks as shown on the Drawings. CONTRACTOR shall be responsible to
provide equipment and labor necessary to transport and unload concrete blocks at the site.
CONTRACTOR shall be responsible for placing and compacting Common Borrow Fill along the west
side of the west concrete block wall as shown on the drawings. OWNER will supply the Common
Borrow Fill material; however, CONCTRACTOR will be responsible for screening Common Borrow
Fill as necessary for placement and compaction on the west side of the west wall. This item will be
paid on a unit basis per linear foot of wall constructed as specified on the Drawings.
Bid Item No. 3 Supply and Install Wall Lining
This item includes all labor, materials, equipment, tools, and apparatus as necessary, to furnish and
install 60-mil HDPE Smooth Geomembrane and 10 ounce per square yard nonwoven geotextile
as specified on the Drawings. This item will be paid on a unit basis per linear foot of wall
constructed as specified on the Drawings.
Bid Item No. 4 Survey
This item requires that CONTRACTOR provide all labor and equipment required to perform
construction layout and as-built documentation as required by the Drawings and as requested by
ENGINEER and/or OWNER. Construction layout shall be completed prior to the start of screened till
placement and shall include the concrete block wall alignment and all other work items as defined in
the Drawings. CONTRACTOR shall document the constructed alignment of the concrete block wall.
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