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fechnical Specitications FY¥2048 Paving Program

ITEM 604.19 - CATCH BASIN AND PIPE
A. SCOPE

This work includes furnishing and installing a catch basin and up to ten feet of pipe at locations
as directed by the Engineer.

B. MATERIALS AND CONSTRUCTION

The Contractor shall furnish all materials, labor, equipment, and transportation necessary to
complete the work in accordance with the latest approved City of Nashua Standard
Specifications for Road Construction, or the latest approved NHDOT Standard Specifications for
Road and Bridge Construction. The most stringent specification shall apply unless otherwise
directed by the Engineer.

Catch basin shall be Type B — 4’ diameter.

Pipe shall be 12” PE (Type S).

Cc. MEASUREMENT AND PAYMENT

Payment for catch basin and pipe shall be at the contract unit price specified for each. This
payment shall include all materials, labor, equipment and all else needed to complete the work
under this item.

Connection of the pipe to an existing drainage structure as directed by the Engineer is incidental.

Setting frame and grate shall be incidental.

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Technical Specifications FY¥2019 Paving Prograrn

ITEM 604.4 - REPAIR OF EXISTING STRUCTURES
A. SCOPE

This work consists of repairing existing structures below 12” from the bottom of existing casting
frame.

B. MATERIALS AND CONSTRUCTION

The contractor shall include all labor, materials, equipment, and transportation necessary to
repair existing structures other than within the top 12 inches below the bottom of casting frame.
Repairs in that section shall not be paid under this item.

The Contractor is responsible for the management of stormwater to all structures altered/dropped
for paving operations for the duration of the project until final pavement has been placed and
accepted by the City and/or the Engineer. The Contractor shall prevent any materials from
entering drain and sewer structures from this operation and shall clean out said structures if
material enters them as directed by the Engineer.

Mortar shall comply with NEDOT Section 707. Brick shall comply with NHDOT 604.2.4 and be
AASHTO M91 Grade SS brick. Contractor shall provide the City with material slips certifying
brick meets requirements.

Mortar shall be tooled into every vertical joint between bricks Prior to installing a new horizontal
brick layer. Mortar between brick layers shall be 3/8” thick and fully cover all bricks in the layer.
Use of the weight of castings and additional brick layers to facilitate joint filling and further

All mortar shall be mixed with a cement mixer as approved by the Engineer. Mixing mortar by
hand/shovel will not be permitted.

Unless otherwise noted herein, this work shall conform to the latest approved City of Nashua
Standard Specifications for Road Construction, City of Nashua Standard Specifications for
Sewers and Drains, and the latest approved NHDOT Standard Specifications for Road and
Bridge Construction. The most stringent specification shall apply unless otherwise directed by
the Engineer,

Cc. MEASUREMENT AND PAYMENT
Payment for the repair of existing castings shall be at the contract unit price per vertical foot.

This payment shall include all materials, labor, equipment, and all else needed to complete the
work under this item.

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Technicai Specifications FY 2079 Paving Prograrn

Technical Specifications FY2018 Paving Progra

outer edge of the masonry. Mortar shall be placed on top of the bottom flange and smoothly
finished to have a slight slope that will shed water away from the frame.

All mortar shall be mixed with a cement mixer as approved by the Engineer, Mixing mortar by
hand/shovel will not be permitted.

C. MEASUREMENT AND PAYMENT

Payment for adjusting existing castings shall be at the contract unit price specified for each. This
payment shall include all materials, labor, equipment, and all else needed to complete the work
under this item.

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Technical Speciiications

FY 2019 Ie

aving Progra

technical Speciiications FY2019 Paving Program

ITEM 604.46 ~ REPLACE CASTING
A. SCOPE

covers, and catch basin frames and grates as shown on the drawings or as directed by the
Engineer. Any repair needed to the existing structure within the 12 inches below the bottom of
the casting shall be included and performed under this item, Any further repair needed to the
existing structure shall be performed under Item 604.4.

B. MATERIALS AND CONSTRUCTION

This item shall include all labor, materials (except for frames and covers), equipment, and
transportation necessary to replace castings, and to set them at new overlay elevation. Frames,
covers, and grates will be provided by the City of Nashua at 9 Stadium Drive in Nashua. This

restoration work.

All materials, labor, equipment, and transportation required to excavate, to lower structure,
temove the plate and place plate at locations of castings lowered to facilitate reclaim or milling
operations shall be subsidiary to Item 604.47. The Contractor is responsible for the management
of stormwater to all structures altered/dropped for paving operations for the duration of the
Project until final pavement has been placed and accepted by the City and/or the Engineer,

Mortar shall comply with NHDOT Section 707. Brick shall comply with NHDOT 604.2.4 and be
AASHTO M91 Grade SS brick. Contractor shall provide the City with material slips certifying
that brick meets requirements.

Mortar shall be tooled into every vertical joint between bricks prior to installing a new horizontal
brick layer. Mortar between brick layers shall be 3/8” thick and fully cover all bricks in the layer.
Use of the weight of castings and additional brick layers to facilitate joint filling and further
spreading of mortar is not permitted. All brickwork shall be sealed on the outside and inside of

All mortar shall be mixed with a cement mixer as approved by the Engineer. Mixing mortar by
hand/shovel will not be permitted.

Technical Specifications FY2018 Paving Program

Technica! Speciiications rY¥2019 Paving Program

ITEM 604.47 — DROP AND PLATE CASTING

A. SCOPE

This work consists of Temoving existing manhole casting, removing brick and mortar supporting
the casting, Plating the hole over the Structure, and backfilling the hole. Excavation, plate
removal, and final adjustment to proposed grade will be covered under Items 604.45, Item
604.46, and Item 604.4 as determined by the Engineer,

B. MATERIALS AND CONSTRUCTION

records identifying, with Measurements, where all dropped castings are located. Contractor is
responsible for management of all castings once they are removed from the manholes, and for
locating all dropped castings when they need to be adjusted.

the Engineer,

C. MEASUREMENT AND PAYMENT

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Technical Speciiicationss PY 2019 Paving Prograrn

ITEM 609.01 - GRANITE CURBING
A. SCOPE

This work shall consist of constructing curb as shown on the plans or as ordered by the Engineer.
Work includes furnishing, Placing, and cleanup work associated with the installation of the curb.
Curb shall be installed on a Properly graded, compacted bed of crushed gravel subgrade.

B. MATERIALS AND CONSTRUCTION

Cc. MEASUREMENT AND PAYMENT

Granite curb will be measured by the linear foot to the nearest 0.1 foot, from end to end along the
lower edge of the exposed face of the curbing and shall include al] required excavation and base
course material.

in place, and shall include full compensation for material, labor, equipment, and all else needed
to complete the work under this item.

Technical Specifications FY2019 Paving Program

ITEM 609.5 —RESET GRANITE CURB
A. SCOPE

This work shall consist of removal, Stockpiling and resetting granite curb as shown on the
drawings or as directed by the Engineer. Furnishing and placing all materials required for
resetting granite curb shall be included.

B. MATERIALS AND CONSTRUCTION

The Contractor shal] furnish all materials, labor and equipment necessary for resetting granite
curb in accordance with relevant provisions of Section 609 of the NHDOT Standard
Specifications for Road and Bridge Construction, latest edition, and City of Nashua Standard
Specifications for Sidewalk Construction, latest edition. The most stringent specifications shal]
apply unless otherwise directed by the Engineer,

C. MEASUREMENT AND PAYMENT

Contractor shall record the location and linear feet of granite curb reset for each street. Payment
is contingent upon submittal of quantities in a per street format.