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Work Platform (Mezzanine) Specifications

Galvanized or Painted Rigid Frame System: All steel framing members are cold formed from G60 galvanized ASTM A446, Grade D, high tensile steel with minimum yield of 50,000 PSI.

Galvanized or Painted Square Columns

Square Columns: 9″ square, welded to a minimum 14″ x 14″ x 1/2″ baseplate. The baseplates are secured with four 3/4″ epoxy or wedge anchors. See individual city requirements for type and embedment.
Beams: “C” or “Z” shapes, come in 12″, 16″, or 20″ sizes and are 10 or 12 gauge, typically. Connections are made with ASTM A490 3/4″ HD bolts (non-galvanized per manufacturer’s specifications).
Struts: “C” shape, standard in 12″, 16″ or 20″ sizes and are either 10 or 12 gauge, typically. Connections are made with ASTM A490 HD bolts. Joists: “C” shape, 8″, 10″, 12″, 14″, 16″ or 20″, and are 14, 12, or 10 gauge, typically. Connections are made with “L” shaped clips and 5/8″ bolts.

Decking Options

Wood over B-Deck: 3/4″ or 1-1/8″ HD fiberboard over 1-1/2″ galvanized B-Deck in 18, 20 or 22 gauge. Secured with #12 x 3/4″ tek screws and #9 x 2″ bugle head tek screws.
Bar Grating: Standard 1″ x 1/8″ galvanized or painted bar grating secured with galvanized saddle clips and #12 x 1-3/4″ tek screws.
Plank Pak: 2″ x 9″ nonskid galvanized surface features embossed dimples with traction holes. Secured with j-bolts/clips and #12 x 3/4″ tek screws.
Diamond Plate: 1/4″, 3/16″ or 1/8″ galvanized, painted or plain diamond plate over 1-1/2″ galvanized B-Deck. Secured with #12 x 3/4 tek screws and #8-32 x 1″ truss head screws.
Concrete: Galvanized concrete form decking, secured with #12 x 3/4″ tek screws. After installation the form is filled with concrete by others.



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