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January 10, 2019 Page 3
20190110 Bid Item Defintions.docx 3066.09

CONTRACTOR is responsible for inspecting and maintaining the temporary erosion control
measures, which includes weekly inspections during the life of the project and after each
storm event that produces 0.25 inches or more of rainfall. All damaged temporary erosion
control measures shall be repaired promptly at no additional cost to OWNER. CONTRACTOR
is responsible for remediation, restoration, and/or mitigation of eroded soil caused by
uncontrolled stormwater runoff.

CONTRACTOR is responsible for employing an Environmental Monitor if the un-stabilized
disturbed area exceeds five (5) acres. In accordance with Env-Wq 1505.03(d), the
Environmental Monitor shall:

= Inspect the project site at least once a week until the un-stabilized disturbed area no
longer exceeds 5 acres.

= Inspect the project site during any rain event in which 0.5 inches of precipitation or more
falls within a 24-hour periods. If the Environmental Monitor is unable to be present
during such a storm, then the Environmental Monitor shall inspect the project site within
24 hours of the rain event.

= Submit a written report to be submitted to the NHDES within 24 hours of each inspection
that is prepared under the supervision of, and stamped by, a qualified Professional
Engineer licensed in the State of New Hampshire or a Certified Professional in Erosion
and Sediment Control (CPESC).

Work incidental to this Bid Item includes removal of all Temporary Erosion and Sediment
Control Features once permanent vegetation is established and temporary features are no
longer needed, based on OWNER and/or ENGINEER’s discretion. Erosion and Sediment
Controls required for the project include:

a. _ Filter Log includes installing and maintaining Filter Logs. This Work shall be consistent
with the Specifications and good construction practices. CONTRACTOR shall furnish,
install, and maintain Filter Logs where shown on the Drawings, downgradient of
unstabilized slopes, and in areas that may be designated by ENGINEER or OWNER.
Payment for Filter Logs will be made on a linear foot basis for the actual amount
installed.

b. Filter Log Inlet Protection includes installing and maintaining Filter Log Inlet Protection
in front of culvert inlets. This Work shall be consistent with the Specifications and good
construction practices. CONTRACTOR shall furnish, install, and maintain Filter Log
Inlet Protection where shown on the Drawings and in areas that may be designated by
ENGINEER or OWNER. Payment for Filter Log Inlet Protection will be made for each
Filter Log Inlet Protection constructed.

Bid Item No. 4 Grubbing and Topsoil Removal

This Bid Item includes all labor, materials, equipment, tools, and apparatus needed to clear
as required and remove all brush, shrubs, stumps, branches, and large roots within the
established limit of disturbance shown on the Drawings to a depth of 2 feet below subgrade.
This Bid Item includes hauling of stumps, brush, and roots for disposal/processing at an

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approved location. Removal and hauling of existing stumps and brush piles within areas
designated by OWNER is incidental to this Bid Item. Also included in this Bid Item is stripping
of topsoil (where present) and stockpiling for reuse.

Payment for this Bid Item will be on a lump sum basis.
Bid Item No. 5 Soil Excavation and Placement

This Bid Item includes all labor, materials, equipment, tools, and apparatus needed to
excavate soil to grade and place and compact the excavated soil in areas requiring fill to
achieve the proposed grade. The fill soil shall meet the requirements of Structural Fill and
be placed and compacted in accordance with the Specifications. Dredging of sediment within
the Stormwater Basin is not included in this Bid Item.

Payment for this Bid Item will be made per cubic yard of excavated material based on pre-
and post-excavation surveys performed by CONTRACTOR and approved by OWNER.
OWNER may perform its own surveys to evaluate the quantity for payment.

Bid Item No. 6 Fill Placement

This Bid Item includes all labor, materials, equipment, tools, and apparatus needed to
perform all operations necessary to procure, stockpile, place and compact Structural Fill as
required to achieve the proposed grades show on the Drawings. Structural Fill shall be
compacted in accordance with the Specifications. This item does not include gravel roadway
materials or riprap.

This Bid Item shall be paid on a per cubic yard basis as measured by pre-and post-survey
performed by CONTRACTOR and approved by OWNER. OWNER may perform its own
surveys to evaluate the quantity for payment.

Bid Item No. 7 Liner System

a. Screened Till includes all labor, materials, equipment, tools, and apparatus needed to
furnish, place, and compact a 6-inch thick lift of Screened Till within the limit of waste
containment for Phase III as shown on the Drawings. Screened Till is the material on
which the Secondary Geomembrane will be placed.

Payment for this Bid Item will be made per cubic yard of material placed based on pre-
and post-stockpiling surveys performed by CONTRACTOR and approved by OWNER.
OWNER may perform its own surveys to evaluate the quantity for payment.

b. Secondary 60-mil Thick Textured HDPE Geomembrane includes all labor, materials,
equipment, tools, and apparatus needed to furnish and install the Secondary 60-mil Thick
Textured High-Density Polyethylene (HDPE) Geomembrane within the Phase III limit of
waste containment as shown on the Drawings and in accordance with the Specifications.
The unit price for this Bid Item includes all pre-approval and quality control testing,

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delivery, unloading, moving, and storage of the geomembrane, as well as the amount of
geomembrane used for overlap and in anchor trenches.

Payment will be made on a per square yard basis for the Secondary Geomembrane
installed within the limit of waste containment as measured by survey of the actual plan
area. Geomembrane installed beyond the limit of waste containment is incidental to this
Bid Item.

c. Secondary Drainage Geocomposite includes all labor, materials, equipment, tools, and
apparatus needed to furnish and install the Secondary Drainage Geocomposite within the
Phase III limit of waste containment as shown on the Drawings and in accordance with
the Specifications. The unit price for this Bid Item includes all pre-approval and quality
contro] testing, delivery, unloading, moving, and storage of the Drainage Geocomposite,
as well as the amount of Secondary Drainage Geocomposite used for overlap and in
anchor trenches.

Payment will be made on a per square yard basis for the Secondary Drainage
Geocomposite installed within the limit of waste containment as measured by survey of
the actual plan area. Secondary Drainage Geocomposite installed beyond the limit of
waste containment is incidental to this Bid Item.

d. Secondary Drainage Sand includes all labor, materials, equipment, tools, and apparatus
needed to furnish and place a 12-inch thick lift of Drainage Sand over the Secondary
Drainage Geocomposite in the Phase III base area as indicated on the Drawings, in
accordance with the Specifications.

Payment for this Bid Item will be made on a cubic yard basis of in-place secondary
Drainage Sand in the Phase III base area as measured by survey of the actual plan area.

e. Geosynthetic Clay Liner (GCL) includes all labor, materials, equipment, tools, and
apparatus needed to furnish and install the GCL within the Phase III limit of waste
containment as shown on the Drawings and in accordance with the Specifications. The
unit price for this Bid Item includes all pre-approval and quality control testing, delivery,
unloading, moving, and storage of the GCL, as well as the amount of GCL used for overlap
and in anchor trenches.

Payment will be made on a per square yard basis for the GCL installed within the Phase
III limit of waste containment as measured by survey of the actual plan area. GCL
installed beyond the limit of waste containment is incidental to this Bid Item.

f. Primary 60-mil Thick Textured HDPE Geomembrane includes all labor, materials,
equipment, tools, and apparatus needed to furnish and install the Primary 60-mil Thick
Textured HDPE Geomembrane within the Phase III limit of waste containment as shown
on the Drawings and in accordance with the Specifications. The unit price for this Bid
Item includes all pre-approval and quality control testing, delivery, unloading, moving,
and storage of the geomembrane, as well as the amount of geomembrane used for
overlap and in anchor trenches.

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Furnishing, installing, and anchoring the geomembrane rain flap on interim stormwater
berms is incidental to this Bid Item.

Payment will be made on a per square yard basis for the Primary Geomembrane installed
within the limit of waste containment as measured by survey of the actual plan area.
Geomembrane installed beyond the limit of waste containment is incidental to this Bid
Item.

g. Primary Drainage Geocomposite includes all labor, materials, equipment, tools, and
apparatus needed to furnish and install the Primary Drainage Geocomposite within the
Phase III limit of waste containment as shown on the Drawings and in accordance with
the Specifications. The unit price for this Bid Item includes all pre-approval and quality
control testing, delivery, unloading, moving, and storage of the Primary Drainage
Geocomposite, as well as the amount of Primary Drainage Geocomposite used for overlap
and in anchor trenches.

Payment will be made on a per square yard basis for the Primary Drainage Geocomposite
installed within the limit of waste containment as measured by survey of the actual plan
area. Primary Drainage Geocomposite installed beyond the limit of waste containment is
incidental to this Bid Item.

h. Primary Drainage Sand includes all labor, materials, equipment, tools, and apparatus
needed to furnish and place an 18-inch thick lift of Drainage Sand over the Primary
Drainage Geocomposite in the Phase III limit of waste containment as indicated on the
Drawings, in accordance with the Specifications. Furnishing and placing Drainage Sand
to construct interim stormwater berms is incidental to this Bid Item.

Payment for this Bid Item will be made on a cubic yard basis of in-place Drainage Sand
within the Phase III limit if waste as measured by survey of the actual plan area.

Bid Item No. 8 Landfill Berms and Anchor Trenches

a. Perimeter Berm includes all labor, materials, equipment, tools, and apparatus needed to
excavate the anchor trench, place and compact a 6-inch thick layer of Screened Till, weld
the Primary and Secondary Geomembranes together, backfill with Screened Till
(compacted), install the plywood sheets, construct the riprap-lined perimeter swale as
shown on the Drawings. Please note that payment for the portion of the geosynthetics
outside the limit of waste is included in Item No. 7. Construction of the gravel road and
guardrail is included in other Bid Items.

Payment will be made on a linear foot basis and measured in plan view along the limit of
waste containment.

b. Liner Connection Along Phase II Berm includes all labor, materials, equipment, tools, and
apparatus needed to excavate and expose the existing Phase II anchor trench, place and
compact a 6-inch thick layer of Screened Till, weld the secondary liner to the existing
secondary liner, and weld the primary liner to the existing primary liner.

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Payment will be made on a linear foot basis and measured in plan view along the limit of
waste containment.

Bid Item No.9 Leachate Sump Construction

This Bid Item includes all labor, materials, equipment, tools, and apparatus needed to
construct the Phase III primary and secondary leachate collection sumps as shown on the
Drawings. Work shall include but is not necessarily limited to, excavating soil and grading
as required, placing and compacting a 6-inch thick lift of Screened Till beneath the sump and
beneath the sump riser trench, fine grading the sump base grades, furnishing and installing
the geomembrane rubsheets in the sump and sump riser section, furnishing and installing
the HDPE sump riser pipes including the connections to the leachate collection pipe, HDPE
pipe boots, HDPE fittings, the nonwoven geotextile, and the Crushed Stone. The Work also
shall include extending the primary, secondary, and cleanout risers beyond the limit of waste
to the sump riser building.

Payment limits for this Bid Item extend three (3) feet outside the sump and sump riser trench
to the Sump Riser Building as shown on the Drawings, including the welds required to
connect the geomembrane rubsheets to the respective Primary and Secondary
Geomembranes. This Bid Item shall be paid on a lump sum basis.

Bid Item No. 10 Installation of 8-inch Diameter Solid and Perforated HDPE Pipe

This Bid Item includes all labor, materials, equipment, tools, and apparatus needed to furnish
and install the Primary and Secondary 8-inch diameter SDR-17 HDPE solid and perforated
leachate collection pipe in the locations shown on the Drawings. This Bid Item includes the
Crushed Stone and geotextile surrounding the leachate collection pipes, all fittings required
for a complete installation, extending the pipe for cleanouts, and the HDPE pipe boots at the
secondary cleanout locations.

Payment for this Bid Item will be made on a linear foot basis for the length of 8-inch diameter
solid and perforated pipe installed.

Bid Item No. 11 Sump Riser Building

This Bid Item includes all labor, materials, equipment, tools, and apparatus needed to
perform all operations necessary to construct a complete Sump Riser Building, including
foundation, concrete masonry units, and framed superstructure. This Work shall include
excavating soil, placing formwork, steel reinforcement, cast-in-place concrete,
waterproofing, placing and compacting backfill, grading, and placing entryway crushed
stone for the foundation. Work for concrete masonry units includes grout, mortar and
reinforcing. The framed structure shall include framing, sheathing, roofing, rain gutters,
insulation, ventilation, painting and staining, doors, hardware, and other components
indicated on the Drawings or in the Specifications.

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CONTRACTOR is responsible for retaining a structural engineer to design the proposed
structure in accordance with state and local regulations. Building permits required by local
regulations are incidental to this Bid Item.

Payment for this Bid Item will be on a lump sum basis.
Bid Item No. 12 Electrical Construction

This Bid Item includes all labor, materials, equipment, tools, and apparatus needed to
provide a complete electrical installation for the Sump Riser Building as indicated on the
Drawings and in the Specifications. Included in this Bid Item is installation of all electrical
conduits not proposed to be installed as part of Bid Item No. 13. Coordination with
Eversource is included in this Bid Item regarding the extension of the existing electrical
overhead distribution for the Sump Riser Building as indicated on the Drawings.

All electrical Work shall be in compliance with applicable codes and standards and shall
include extending the electric service from the existing electric system, installation of service
wiring and branch circuits, installation of lights, disconnects, transformers, breakers,
heaters, conduits, and other components required for a complete installation. This Bid Item
shall also include the lighting exterior for the Sump Riser Building.

Payment for this Bid Item will be made on a lump sum basis.
Bid Item No. 13 Controls and Instrumentation

This Bid Item includes all labor, materials, equipment, tools, and apparatus needed to furnish
and install the control system panels and the instrumentation for the leachate pump system.
The control panels shall include motor starters, totalizing indicators, intrinsically safe
barriers, LED panel meters, and electronic control/telemonitoring system. This Bid Item
shall include furnishing and installing flow meters, level switches, signal wiring and conduit,
and other components for a complete installation.

Payment for this Bid Item will be made on a lump sum basis.

Bid Item No. 14 Leachate Pumping System

This Bid Item includes all labor, materials, equipment, tools, and apparatus needed to furnish
and install the leachate pumping system in the Sump Riser Building and sideslope risers.
Included in this Bid Item are the leachate pumps, pipe, valves, fittings, sample tubing, pipe
and tubing supports, and other components required for a complete system as shown on the

Drawings. Pressure testing of the installed system shall also be included.

Payment for this Bid Item will be made on a lump sum basis.

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Bid Item No. 15 Utility Trenches

This Bid Item includes all labor, materials, equipment, tools, and apparatus needed to
perform all operations necessary to furnish and install HDPE force mains, conductors, and
PVC electrical conduit of the size and pressure ratings in accordance with the Drawings and
Specifications. Utility trenches shall be installed as shown on the Drawings, and force mains
shall be pressure tested as specified. This Bid Item shall include excavating soil, furnishing
and placing Drainage Sand, conductive pipe warning tape, and all materials required for a
complete installation.

Payment for Utility Trenches will be made on a linear foot basis for the actual amount
installed.

Bid Item No. 16 Connection to the Phase II Leachate Collection System

This Bid Item includes all labor, materials, equipment, tools, and apparatus needed to
connect the Phase III leachate collection system to the existing Phase II leachate collection
system as shown on the Drawings. Included in this item is furnishing and installing the HDPE
pipes and fittings, connecting the leachate force main to the gravity main, placing the gravity
main and primary cleanout risers over the Phase II liner system, placing the secondary
cleanout riser in a trench below the Phase III liner system, and connecting the existing
leachate collection pipe. Excavation of waste and leachate collection material, cutting and
capping existing pipe, backfilling the excavation with waste, and restoration of the Phase II
leachate collection materials are incidental to this item.

Payment for this Bid Item will be made on a lump sum basis.

Bid Item No. 17 Stormwater Basin

This Bid Item includes all labor, materials, equipment, tools, and apparatus needed to

perform all operations necessary to construct a functioning stormwater basin as indicated

on the Drawings.

a. Dredging the Existing Portion of the Basin includes removing accumulated sediment from
within the existing portion of the Stormwater Basin as indicated on the Drawings to
restore to design grades. Dredged sediment shall be hauled to the active face of the
landfill.

Payment for this Bid Item will be on a lump sum basis.

b. Remove Portion of the Existing Culvert includes exposing, cutting, and removing a portion
of the 12-inch diameter corrugated plastic pipe (CPP) culvert, and disposal of the culvert
and the associated headwall at the active face of the landfill. Soil excavation to expose

the culvert is included in other Bid Items.

Payment for this Bid Item will be on a lump sum basis.

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c. Low-Permeability Soil includes furnishing, placing, and compacted a 12-inch thick lift of
Screened Till within Pond 6 and the Forebay as shown on the Drawings.

Payment for this Bid Item will be made per cubic yard of material placed based on pre-
and post-stockpiling surveys performed by CONTRACTOR and approved by OWNER.
OWNER may perform its own surveys to evaluate the quantity for payment.

d. Spillway includes furnishing and installing the spillway for the Stormwater Basin as
shown on the Drawings and as specified. This Bid Item includes excavating soil to form
the riprap-lined spillway and placing the nonwoven geotextile and riprap.

Payment for this Bid Item will be on a lump sum basis for a complete installation.

e. Wetland Plantings includes furnishing and installing the wetland plants within the
Stormwater Basin as shown on the Drawings.

Payment will be made on a lump sum basis once a satisfactory stand of vegetation is
established as determined by OWNER.

f Modifying the Existing Discharge Structure includes increasing the diameter of the second
row of orifices in the outlet structure from 3 inches to 6 inches as indicated on the
Drawings.

Payment for this Bid Item will be on a lump sum basis.

g. Level Spreader includes furnishing and installing the level spreader for the Stormwater
Basin as shown on the Drawings and as specified. This Bid Item includes excavating soil
and placing crushed stone.

Payment for this Bid Item will be on a lump sum basis.

Bid Item No. 18 Riprap-Lined Swale

This Bid Item includes all labor, materials, equipment, tools, and apparatus needed to

perform earthwork necessary to grade the swale and install riprap lining where indicated

on the Drawings. This Bid Item includes, but is not limited to, furnishing and installing the

nonwoven geotextile as shown on the Drawings.

Payment for this Bid Item will be on a linear foot basis for the riprap-lined swale section
constructed.

Bid Item No. 19 Geomembrane-Lined Swale

This Bid Item includes all labor, materials, equipment, tools, and apparatus needed to install
geomembrane-lined swales at the various lengths and dimensions indicated on the Drawings

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and as specified. The Work includes shaping the swale section and installing the
geomembrane as indicated on the Drawings.

Payment for this Bid Item will be on a lineal foot basis for the geomembrane-lined swale
constructed.

Bid Item No. 20 Smartditch-Lined Downchute

This Bid Item includes all labor, materials, equipment, tools, and apparatus needed to furnish
and install Smartditch-lined downchute as indicated on the Drawings. The Work includes
shaping the swale section, placing and compacting a 4-inch thick layer of Drainage Sand
beneath the downchute bottom, and installing the Smartditch according to manufacturer's
recommendations.

Payment for this Bid Item will be on a linear foot basis for the Smartditch-lined downchute
constructed.

Bid Item No. 21 Temporary Slope Diversion Swale

This Bid Item includes all labor, materials, equipment, tools, and apparatus needed to
construct the temporary slope diversion swale on the southern Phase II sideslope above
Phase III in accordance with the Drawings and Specifications. The Work includes placing
and shaping Screened Till to form the swale and furnishing and installing the 12-mil thick
scrim reinforced geomembrane to cover the Screened Till in the swale. Excavating soil to
create anchor trenches for the scrim reinforced geomembrane is included in the Work.

Payment for this Bid Item will be on a linear foot basis for temporary slope diversion swale
constructed.

Bid Item No. 22 Drain Manhole

This Bid Item includes all labor, materials, equipment, tools, and apparatus needed to furnish
and install the drain manhole as shown on the Drawings and as specified. This Bid Item
includes excavating soil, installing the structure, furnishing and placing Crushed Stone, and
placing and compacting backfill. Furnishing and installing the frame, cover, pipe connector,
and corrugated pipe adapter as indicated on the Drawings is incidental to this Bid Item.

Payment for installation of the drain manhole will be on a lump sum basis. Payment for
connection to drainage pipes is included in Item No. 23.

Bid Item No. 23 Culverts

This Bid Item includes all labor, materials, equipment, tools, and apparatus needed to furnish
and install culverts indicated as shown on the Drawings and as specified. This Bid Item
includes furnishing, excavating, placing, and compacting Drainage Sand as pipe bedding,
installing the culvert, and placing and compacting backfill. Installation of head walls, end
sections, connection to drain manholes, and geomembrane boots at culvert outlets where

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shown on the Drawings is to be included in the Work associated with the installation of the
respective culvert.

Payment for installation of culverts will be on a lump sum basis for a complete installation
of each culvert identified.

Bid Item No. 24 Topsoil and Seeding

This Bid Item includes all labor, materials, equipment, tools, and apparatus needed to place
Topsoil capable of growing grass, and to seed and mulch areas outside the Phase III limit of
waste containment, but within the limit of disturbance, and soil borrow areas (not including
gravel or paved roadway areas), as indicated on the Drawings in accordance with the
Specifications.

Payment will be made on a per acre basis as measured by survey once a satisfactory stand of
vegetation is established as determined by OWNER.

Bid Item No. 25 Gravel Road

This Bid Item includes all labor, materials, equipment, tools, and apparatus needed to
construct the gravel road section in areas indicated on the Drawings. The Work includes and
proof rolling the subgrade and furnishing, placing, and compacting the road materials as
Shown on the Drawings.

Payment for this Bid Item will be made on a square yard basis as measured by survey of the
constructed Gravel Road.

Bid Item No. 26 Extend Existing Groundwater Wells

This Bid Item includes all labor, materials, equipment, tools, and apparatus needed to extend
the existing groundwater monitoring wells where indicated on the Drawings (i.e., B-4, WM-
110 S/R, and MW-111 S/R). The Work requires that a New Hampshire-licensed water well
contractor extend the monitoring wells according to NHDES standards. Maintaining each
monitoring well’s integrity throughout the project and repairing any damage to monitoring
wells caused by the CONTRACTOR shall be incidental to this item.

Payment for this Bid Item will be made on a linear foot basis for each well extended to final
grade.

Bid Item No. 27 Litter Control Fence
This Bid Item includes all labor, materials, equipment, tools, and apparatus needed to install

litter fence as indicated on the Drawings. The Work includes excavating soil, backfilling, and
installing poles and netting as specified by the manufacturer.

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