Technical Specifications IFB0660-040617
2017 Pavement Preservation
Revised per Addendum #1
ITEM 203.112 — Street Patch
A. SCOPE
This work includes removing damaged asphalt by milling, saw cutting, or jack hammering as
determined by the Engineer. If removal extends to the subbase, the subbase shall be compacted
to 95% density prior to placing new asphalt.
B. MATERIALS AND CONSTRUCTION
3. 2017 Pavement Preservation Maintenance Program Schedule of Values Form
issued on March 13, 2017 will be removed and replaced with the attached 2017
Pavement Preservation Maintenance Program Schedule of Values Form issued
on March 30, 2017.
4. Submitted Questions with Responses.
2. Under Division 9 Technical Specifications, changes have been made as detailed
below. As a result, the 2017 Pavement Preservation Technical Specifications Issued
on March 13, 2017 will be removed and replaced with the attached 2017 Pavement
Preservation Technical Specifications issued on March 30, 2017.
A. Item 403.11 Hot Bituminous Pavement, Machine Method revisions:
The reference to Appendix A was removed.
B. Item 403.12 Hot Bituminous Pavement, Hand Method revisions:
The reference to Appendix A was removed.
Prebid Questions and Answers:
1. Does the City know the existing asphalt thickness on Redmond St?
a. The City has no records of existing asphalt thickness on Redmond St.
2. Is the proposed pavement thickness of 3.5” on Redmond Street going to be sufficient
to handle the truck traffic?
Emergency permits may be required depending on time work. There is no cost for
those permits.
Notifications to DPW Engineering and Solid Waste are critical to informing the
public of planned work, and facilitating timely trash pickup. Daily emails need to
be sent. The two points of contact are Todd Welch (Engineering Department) and
Kevin Naro (Solid Waste Department).
Use of temporary markers is critical to ensuring safety and a minimum amount
should be used even when the second layer of micro-surfacing will be placed the
next day.
e ton roller required except in areas where it’s more practical to use a hand
compactor, as determined by the Engineer.
Item 404.11 Micro-Surfacing —
e All micro-surfacing will be HiMA without fibers.
e Subsidiary items include: sweeping, plastic on service entrances, tack coat,
rolling, and mobilization/demobilization.
e Crack sealing is not subsidiary.
Item 405.11 Crack Sealing —
All crack sealing material shall be Crumb Rubber with fibers.
Cracks shall be prepared with a propane air torch.
CITY OF NASHUA, NEW HAMPSHIRE
2017 PAVEMENT PRESERVATION
MAINTENANCE PROGRAM
ADDENDUM 1
IFB0660-040617
1. Below is a summary of the 2017 Pavement Preservation Maintenance Program held
on March 20, 2017 at 11:00AM at 9 Riverside St Nashua, NH.
Prebid Meeting Attendees:
See attached attendee list.
General Scope of Work:
The project consists largely of micro-surfacing and crack sealing.
Discussion of 2017 Pavement Preservation Maintenance Program Technical
Specifications:
Item 203.112 Street Patch —
h\ THE CITY OF NASHUA the Cate Cy
Purchasing Department
March 30, 2017
IFB0660-040617
2017 PAVEMENT PRESERVTION PROGRAM
ADDENDUM #1
Information included in this document becomes a part of the original IFB.
Addenda #1 is being issued to document prebid discussions, respond to submitted questions,
update certain specifications, update the schedule of values form, and provide further
clarification on IFB requirements.
All other aspects of the original document remain the same.
DIVISION 1
INVITATION TO BID
