- Elevated systems for built-up, single-ply and sloped, standing
seam metal roofs.
- Elevated walkway systems routed across the roof shall be
supported off the roof by an engineering prefabricated PPH Walkway
System specifically designed to be installed directly on the roof
without roof penetration, flashing or damage to the roofing
material.
- The system shall be designed to support all weight and equipment
as required.
- The system shall consist of the following:
- Bases made of high-density polypropylene plastics & other
additives for UV protection material with inserts for strut or
threaded rods as required.
- The substructure is made of a 12 gauge back-to-back strut
G-1012A, or approved equal and are supported directly from the
bases.
- The grating material is made from mill-galvanized carbon steel.
Metal gauge: 14-ga., 16-ga., 18-ga. steel Finish: Mill-galvanized
before fabrication, ASTM A525 Section width: 12", 9" 6" Grating
height: 1½", 2½", 3", 4" Standard lengths: 12', 20', 24' (other
lengths to order) Flange options: FM, MM, FF Surface condition:
MG-traction grip, MS-smooth
- The handrail is assembled from a 12 gauge, 1 5/8" strut G-5812,
or approved equal.
- All substructures and handrails shall be galvanized steel. Nuts,
threaded rods and washers shall be electro-plated.
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