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substitution request - Alliance Construction Solutions

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G. Fabricate joints that will be exposed to weather in a manner to exclude water, or<br />

provide weep holes where water may accumulate.<br />

2.7 ROUGH HARDWARE<br />

A. Furnish bent or otherwise custom fabricated bolts, plates, anchors, hangers,<br />

dowels, and other miscellaneous steel and iron shapes as required for framing<br />

and supporting woodwork, and for anchoring or securing woodwork to concrete<br />

or other structures. Fabricate items to sizes, shapes, and dimensions required.<br />

Furnish malleable-iron washers for heads and nuts which bear on wood<br />

structural connections; elsewhere, furnish steel washers.<br />

2.8 METAL LADDERS<br />

A. General: Fabricate ladders for the locations shown, with dimensions, spacings,<br />

and anchorages as indicated.<br />

1. Comply with requirements of ANSI A14.3, unless otherwise indicated.<br />

2. For elevator pit ladders, comply with ASME A17.1.<br />

3. Siderails: Continuous, steel, 3/8" x 2-1/2" flat bars, with eased edges,<br />

space 18" apart.<br />

4. Bar Rungs: 7/8" diameter steel bars, spaced 12" o.c.<br />

5. Fit rungs in centerline of side rails, plug weld and grind smooth on outer<br />

rail faces.<br />

6. Support each ladder at top and bottom and at intermediate points space<br />

not more than 5' o.c. with welded or bolted steel brackets.<br />

2.9 LOOSE BEARING AND LEVELING PLATES<br />

A. Provide loose bearing and leveling plates for steel items bearing on masonry or<br />

concrete construction, made flat, free from warps or twists, and of required<br />

thickness and bearing area. Drill plates to receive anchor bolts and for grouting<br />

as required. Galvanize after fabrication.<br />

2.10 LOOSE STEEL LINTELS<br />

A. Fabricate loose structural steel lintels from steel angles and shapes of size<br />

indicated for openings and recesses in masonry walls and partitions at locations<br />

indicated. Weld adjoining members together to form a single unit where<br />

indicated.<br />

B. Galvanize loose steel lintels located in exterior walls.<br />

C. Size loose lintels for equal bearing of one inch per foot of clear span but not less<br />

than 8 inches bearing at each side of openings, if not indicated on Drawings.<br />

2.11 MISCELLANEOUS FRAMING AND SUPPORTS<br />

A. General: Provide steel framing and supports for applications indicated or which<br />

are not a part of structural steel framework, as required to complete work.<br />

B. Fabricate units to sizes, shapes, and profiles indicated and required to receive<br />

adjacent other construction retained by framing and supports. Fabricate from<br />

structural steel shapes, plates, and steel bars of welded construction using<br />

Project No.: 10145 METAL FABRICATIONS<br />

550 15th Street Dual Brand Hotel<br />

19 March 2012<br />

055000 - 4

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