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<br />1. Rectangular tubular sections - provide 46 ksi steel or steel conforming to <br />ASTM A 500 Grade “B”. <br /> <br />2. Round tubular sections - provide steel conforming to ASTM A501 and A53 <br />Type E or S Grade “B” open hearth or basic oxygen steel with maximum <br />sulfur content of 0.05 percent. <br /> <br />F. Bolts, nuts, and washers - free from visible defects. <br /> <br />1. Provide anchor bolts conforming to ASTM A - 307. <br /> <br />2. Provide high strength anchor bolts conforming to ASTM A - 449. <br /> <br />3. Provide high strength connection bolts conforming to ASTM A - 325N and <br />AISC details. <br /> <br />PART 3 EXECUTION <br /> <br />3.01 STRUCTURAL <br /> <br />A. Design vertical steel bulkheads to withstand full hydrostatic forces from either <br />side of the bulkhead or wall. <br /> <br />1. The design of the walls shall allow isolated compartments to be individually <br />dewatered. <br /> <br />2. Provide a minimum one-quarter (1/4”) inch wall thickness. <br /> <br />3. Perform computations and supply structural drawings to the OWNER, and <br />signed both sealed by a Florida Professional Engineer by the <br />CONTRACTOR. <br /> <br />4. The Professional Engineer shall assume full responsibility for the structural <br />integrity of the system design and construction. <br /> <br />B. Reinforce bulkheads and designed as partially fixed connections at the inner <br />and outer walls. <br /> <br />1. Provide reinforcing structural members at the top of the section in bulkheads <br />and walls. <br /> <br />2. Design these members to maintain the required shape of the item while <br />under any combination of load applications that may be encountered under <br />actual field conditions. <br /> <br />C. Remove shop welds having burrs, spatter, prior to blasting. <br /> <br />City of Sunny Isles Beach <br />NE 174th Street Roadway Improvements <br />05120 - 3 Structural Steel <br />14-1758 / 09-19-2014 <br />