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Contact: zhou feng
Company: Huaway Guardrail Engineering Co.
No. 09 Neo-Tech District, Development Zone, Dezhou, Shandong
Dezhou 253000
China
Phone: +86534896358
E-Mail: Send Inquiry 1st year
Date/Time:  3/24/23 6:41 GMT
 

Composite Metal Guardrails

Metal Beam Guard Rail
All guard rails complete with posts, breakaway cable terminal sections,
foundations, end sections etc.
Corrugated steel beam guard rail and fittings to use on the Project.

MATERIALS

a. Concrete posts and offset blocks shall be precast in the shape and
dimensions specified. Cement Type shall be used in the construction of all
posts and offset blocks and concrete shall conform to the requirements of Class
K300 as specified in Section V (Concrete Works) of these Specifications.

b. Steel reinforcing bars shall conform to the requirements of Section V
(Concrete Works) of these Specifications.

c. Steel posts shall be either W200 x 15 or W150 x 14 per design requirement
and shall be galvanised as specified. Sections shall conform to AASHTO M160M.

d. Steel rail sections shall conform to AASHTO M180 with the exception that
bolt hole spacings shall be 2000 mm center to center or as otherwise shown on
the Drawings. They shall be form rolled to the shapes indicated on the
Drawings, and shall be hot-dipped galvanized in accordance with AASHTO M111.M

e. All fastenings shall be either wrought iron or medium steel and shall be
galvanised in accordance with ASTM A153M.

f. Paint shall conform to the requirements of Section 1202.10 of these
Specifications.

g. Timber posts and offset blocks shall be structural timber conforming to the
requirements of AASHTO M168 and be treated in conformance with the requirements
of AASHTO M133.

CONSTRUCTION

a. Guard rail of the kind and type shall be constructed at the locations as
determined by the Engineer.

b. All posts shall be set vertically in the positions. Post holes for steel
posts shall be back-filled with a minimum 100 mm surround of Class E concrete
tamped into place.

c. Steel rail sections shall be cut, punched and / or drilled in the shop prior
to galvanising. Special detail holes may be cut in the field only when
necessary and if approved by the Engineer.

d. All nicks, gouges and scratches in the galvanised surface of the railing
shall be painted with a high zinc content paint to the approval of the
Engineer.

ELEMENTS AND PARTS FOR METAL BEAM GUARD RAIL

a. Breakaway cable terminal sections, both single and double sided.

b. Breakaway cable anchor assemblies at the trailing end of guard rail
installations.

c. The remaining metal beam guard rails along the line and grade of the
guardrail.

Materials and tools, for the construction and installation of the guard rail
including posts, anchors, end sections, reinforced concrete foundations,
fittings and fasteners, galvanising and painting, and for all incidental
accessories to complete the installations.
Composite Metal Guardrails
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