SECTION 02252
SUPPORT OF EXCAVATION
PART 1 - GENERAL
1.01 WORK INCLUDED:
A. This section of the specification covers sheeting and bracing for support of
excavations. The requirements of this section shall also apply, as appropriate, to other
methods of excavation support and underpinning which the Contractor elects to use to
complete the work.
B. The Contractor shall furnish and place sheeting of the kinds and dimensions required,
complying with these specifications, where indicated on the drawings or ordered by the
Engineer.
1.02 RELATED WORK:
A. Section 02300, EARTHWORK.
1.03 QUALITY ASSURANCE:
A. _ This project is subject to the Safety and Health regulations of the U.S. Department of Labor
set forth in 29 CFR, Part 1926, and to New Hampshire law, RSA, Title XXIII: Labor.
Contractors shall be familiar with the requirements of these regulations.
B. The excavation support system shall be of sufficient strength and be provided with
adequate bracing to support all loads to which it will be subjected. The excavation support
system shall be designed to prevent any movement of earth that would diminish the width of
the excavation or damage or endanger adjacent structures.
PART 2 - PRODUCTS
2.01 MATERIALS:
A. Steel used for bracing shall be of such size and strength as required in the excavation
support design. Timber or steel used for bracing shall be new or undamaged used material
which does not contain splices, cutouts, patches, or other alterations which would impair its
structural integrity or strength.
PART 3 ~EXECUTION
3.01 INSTALLATION:
2019 CIPPLining Project Support of Excavation
Nashua, NH 02252-1
