F. The Tack Coat shall be considered subsidiary to the pavement items of work.
2.03 CURBING:
A. Curbing shall conform to the requirements of NHDOT Standard Specifications 609,
Items 609.01 or Item 609.02 as detailed on the plans.
2.04 SIDEWALKS:
A. Sidewalks shall conform to the requirements of NHDOT Standard Specifications
608, Items 608.12 or Item 608.24 as detailed on the plans.
2.05 PAVEMENT MARKINGS:
A. Pavement markings shall conform to the requirements of NHDOT Standard
Specifications 632, and shall be considered incidental to the pavement items of work.
B. The mixture of the marking material shall be within the composition limits for
reflectorized pavement markings as described in the NHDOT Standard
Specifications.
PART 3 EXECUTION
3.01 GENERAL:
A. Paving courses required for the project shall be as shown on the drawings and as
specified herein. Pavement thicknesses specified are measured in compacted inches.
If a pavement course thickness exceeds 2-1/2 compacted inches, the course shall be
installed in multiple lifts with each lift not exceeding 2-1/2 compacted inches in
thickness.
3.02 GRAVEL SUBBASE:
A. The crushed gravel subbase to be placed under pavement shall consist of the
specified thickness of crushed gravel evenly spread and thoroughly compacted.
B. The gravel shall be spread in layers not more than 6-inches thick, compacted
measure. All layers shall be compacted to not less than 95 percent of the maximum
dry density of the material as determined by ASTM D1557 Method C at optimum
moisture content.
3.03 TEMPORARY BITUMINOUS PAVEMENT:
A. Where specified and directed by the Engineer and after placement of the Crushed
gravel sub-base, the Contractor shall place temporary bituminous pavement above
the trench, between the edges of the existing pavement. It shall consist of a course of
%” (12.5 mm) Hot Bituminous Pavement mix, of the thickness specified on the
plans, in accordance with NHDOT Standard Specifications Section 401.
B. The temporary pavement shall be repaired as necessary to maintain the surface of
the pavement until replaced by permanent pavement. When so directed by the
2022 Sewer Replacement Project Road Restoration
Nashua, NH 02745-4
