Standard Specifications and Special Provisions
Main Street Sidewalk Improvements- Block 3 & 4 Brick Crosswalk
Date: May 3, 2016
All Items that are not included in the special provision shall comply with the latest approved NHDOT
Standard Specifications for Road and Bridge Construction, the latest approved City of Nashua Standard
Specifications for Road Construction Sewer and Drains, the latest approved NHDOT Standard Plans for
Construction and the latest approved edition of Manual of Uniform Traffic Control Devices.
Special Provisions
ITEM A - Installation of Brick Crossing — Night Work
A. SCOPE
This work shall consist of installing 1100 square feet of Pine Hall Brick, 2 3/4" X4"X8" English Edge
Series Full Range for crosswalks on Block 3 & 4, Main Street, following the detail on Cross Section plan
provided cr as ordered by the Engineer. This work will be conducted at night and the City will be
responsible for providing traffic control. The brick will be provided by City. The Contractor will provide the
labor, equipment, and material and as shown on the detail sheet on Cross Section plan.
B. MATERIALS AND CONSTRUCTION
The Contractor shall supply all labor, bed sand, poly sand, equipment and transportation necessary for
the required work.
Brick shall be sealed using KURE 1315 provided by Contractor and can be purchased at Hudson Quarry
Corporation located at 6 Candy Ln. Hudson NH.
All required excavation including existing asphalt and base will be performed by the City. In addition, the
City will prepare base prior to brick installation.
The City will provide tower lights during construction at night. The brick will be installed in between 7:00
pm to 5:30 am or as directed by the Engineer and shall not take more than two nights.
Installation
Install 1” sand bed minimum compacted as shown on the plan (see Cross Section detail).
The Contractor shall use a digital "Smart Level” to check all sub-base grades for compliance prior to
installation of bricks. The Contractor shall not proceed with brick installation on the crosswalk if is out of
compliance without first contacting the Engineer.
Wet saw is required for cutting of bricks and filling in pieces where needed. No other method will be
acceptable. The Contractor shall be responsible for bringing its own water for the wet saw.
Once the bricks are placed in their specified patterns, they shall be compacted with a plate compactor.
The compactor shall have a minimum force of 5000 Ibs. and a frequency of 75 to 90 cycles per second.
All adjacent surfaces such as curb tops, manhole/handhole covers and rims, tree grates, etc. shall be
absolutely flush with brick paving surfaces after compaction. Brick pavers shall be tamped with manual
equipment in tight areas to assure tight bonding with setting material.
Work shall proceed within an area only when that area can be completed within the work period. Secure
all loose materials and provide temporary accessible edges of partially completed areas of brick that will
be accessible to the public.
IFB0851-052616 Main Street Improvements —
Block 3 & 4 Brick Crosswalks
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