Agenda

City of Nashua, New Hampshire
Division of Public Works
IFBO660-012821
2021 Paving Program - Arterial and Collector Roadways

DIVISION 7

LIST AND MAP OF ROADWAYS

27.

28.

29.

30.

ADA MPLIANCE

A. Sidewalk curb ramps shall be constructed in compliance with ADA requirements as
well as NHDOT Standard Details. The NHDOT Standard Details are available at:
https://www.nh.gov/dot/org/projectdevelopment/highwaydesign/detailsheet…
ts/erb_ramp_1 9.pdf

21.

22.

23.

24.

25.

26.

PROTECTI FLANDSCAPI
CONTRACTOR shall take appropriate measures to protect trees, shrubs and other

landscaping. Branches, limbs and roots shall not be cut except with permission of the
ENGINEER.

Where cutting is necessary, work shall be performed by qualified workers.

RESTORATI FEXISTI PROPERTY

17.

18.

19.

20.

If the CONTRACTOR should fail to promptly remove debris or surplus material from
the project area, or if CONTRACTOR deposits same on private property, progress
payment(s) may be withheld.

DISPOSAL OF SURPLUS EXCAVATED MATERIAL

16.

All signs, channelizing devices and arrow boards as required by the Manual on Uniform
Traffic Control Devices, including part six, as amended, and the above Standard Sheets
shall be in place prior to moving any equipment onto the pavement.

The CONTRACTOR shall provide trained personnel, including Uniformed Officers and
Flaggers in accordance with Section 618, to be responsible for the maintenance of traffic.

13.

14.

15.

Detailed updates of the schedule shall be submitted to the ENGINEER for review and
acceptance on at least a monthly interval. Updates shall show work through project
completion.

The OWNER may withhold progress payments if acceptable monthly schedule updates
are not submitted.

The CONTRACTOR shall not increase the number of crews assigned to the work as
identified in the schedule without providing at least one week advanced notice to the
ENGINEER.

SUPERINTENDENCE OF THE WORK

10.

11.

12.

Recognizing the difficulty in maintaining traffic as well as access to abutting properties,
work on the following streets shall be performed at night: East Hollis Street, Main
Street, and Medical Center Drive.

If traffic and access to abutting properties cannot be maintained during daytime hours on
other streets in the contract to the OWNER’s satisfaction, CONTRACTOR may be
directed to perform the work at night at no additional cost.

TIE-IN AT SIDE ROAD
Where roadways are being milled to a depth of 3.5 inches, side road tie-in areas will be
milled to a depth of 2.0 inches.

INTERIM MILESTONES FOR SUBSTANTIAL MPLETI
The following Substantial Completion Milestones shall be met:

All roads, except those with delayed start dates (see Paragraph 4 - Other Work in
Contract Area), shall be binder paved by July 1“, 2021.

The entire length of all roadway segments shall be substantially complete by October 15,
2021.

4.

28 and maximum aggregate size of 2 inch. Base and binder courses shall be 75 gyration
with PG 64-28 and maximum aggregate size of % inch.

High Strength Pavement wearing courses shall be 75 gyrations with PG 76-28 and
maximum aggregate size of % inch.

High strength wearing course pavement shall be used on the following roadways:
e East Dunstable Road
e East Hollis Street
e Main Street
e Medical Center Drive

The following course thicknesses shall be used:

2” Mill & Overlay
2” wearing course.