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.
SUPPLEMENTARY CONDITIONS/PROSECUTION OF WORK
These Supplementary Conditions amend or supplement the Standard General Conditions of the
Construction Contract and other provisions of the Contract Documents as indicated below. All
provisions which are not so amended or supplemented remain in full force and effect.
1.
DESCRIPTION OF WORK
The contract work includes the limits on the various streets listed in the attached
summary. The specified pavement treatment is listed.
DIVISION 6
SUPPLEMENTARY CONDITIONS
PROSECUTION OF WORK
2. At least 5 days prior to the proposed closure, the CONTRACTOR shall submit a detour traffic plan for each
location being detoured.
3. The CONTRACTOR shall install standard traffic control devices in accordance with the Detour Signage plan
provided in the bid documents and the Manual on Uniform Traffic Control Devices (MUTCD.)
4. The detour signage shall be covered when the road closure is not in effect.
B. CONTRACTOR shall notify the following agencies of any traffic delays or road closures three days in advance of the
work:
ARTICLE 17 - MISCELLANEOUS
17.01 Giving Notice
A. Whenever any provision of the Contact Documents requires the giving of written notice, it will be deemed to have
been validly given if delivered in person to the individual or to a member of the firm or to an officer of the corporation
for whom it is intended, or if delivered at or sent by registered or certified mail, postage prepaid, to the last business
address known to the giver of the notice.
17.02 Computation of Times
5. Not resume work after the effective date of a notice of termination unless and until receipt of a written notice
from the OWNER to resume performance.
