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Finance Committee - Agenda - 3/17/2021 - P438

By dnadmin on Mon, 11/07/2022 - 13:46
Document Date
Fri, 03/12/2021 - 12:03
Meeting Description
Finance Committee
Document Type
Agenda
Meeting Date
Wed, 03/17/2021 - 00:00
Page Number
438
Image URL
https://nashuameetingsstorage.blob.core.windows.net/nm-docs-pages/fin_a__031720…

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 any
material enters.

Mortar shall comply with NHDOT Section 707. Brick shall be sound, hard, and uniformly
burned brick, regular and uniform in shape and size, of compact texture, and satisfactory to the
Engineer. Bricks shall comply with ASTM C32, for Grade SS, hard Brick.

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
the structure with mortar. The casting frames shall be set in a ring of mortar extending to the
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.

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.

C. MEASUREMENT AND PAYMENT
Payment for the Repair of Existing Structures shall be at the contract unit price per vertical foot

to the nearest 0.1 of a foot. This payment shall include all materials, labor, equipment, and all
else needed to complete the work under this item.

Page 17 of 43

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Finance Committee - Agenda - 3/17/2021 - P438

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