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Orange County Facility Renovations <br />Hillsborough, NC <br />Smith Sinnett METAL FABRICATIONS <br />2020046/2020047/2020048/2020049/2020055 05 50 00 - 3 <br />2.7 LOOSE STEEL LINTELS <br />A. Fabricate loose steel lintels from steel angles and shapes of size indicated for openings and recesses in <br />masonry walls and partitions at locations indicated. Fabricate in single lengths for each opening unless <br />otherwise indicated. Weld adjoining members together to form a single unit where indicated. <br />B. Size loose lintels to provide bearing length at each side of openings equal to 1/12 of clear span but not <br />less than 8 inches, unless otherwise indicated. <br />C. Galvanize and prime loose steel lintels located in exterior walls. <br />2.8 STEEL WELD PLATES AND ANGLES <br />A. Provide steel weld plates and angles not specified in other Sections, for items supported from concrete <br />construction as needed to complete the Work. Provide each unit with no fewer than two integrally welded <br />steel strap anchors for embedding in concrete. <br />2.9 GENERAL FINISH REQUIREMENTS <br />A. Finish metal fabrications after assembly. <br />2.10 STEEL AND IRON FINISHES <br />A. Galvanizing: Hot-dip galvanize items as indicated to comply with ASTM A153/A153M for steel and iron <br />hardware and with ASTM A123/A123M for other steel and iron products. <br />1. Do not quench or apply post galvanizing treatments that might interfere with paint adhesion. <br />B. Shop prime iron and steel items not indicated to be galvanized unless they are to be embedded in <br />concrete, sprayed-on fireproofing, or masonry, or unless otherwise indicated. <br />C. Preparation for Shop Priming: Prepare surfaces to comply with requirements indicated below: <br />1. Exterior Items: SSPC-SP 6/NACE No. 3, "Commercial Blast Cleaning." <br />2. Items Indicated to Receive Zinc-Rich Primer: SSPC-SP 6/NACE No. 3, "Commercial Blast <br />Cleaning." <br />3. Items Indicated to Receive Primers Specified in Section 09 96 00 "High-Performance Coatings": <br />SSPC-SP 6/NACE No. 3, "Commercial Blast Cleaning." <br />4. Other Steel Items: SSPC-SP 3, "Power Tool Cleaning." <br />5. Galvanized-Steel Items: SSPC-SP 16, "Brush-off Blast Cleaning of Coated and Uncoated <br />Galvanized Steel, Stainless Steels, and Non-Ferrous Metals." <br />D. Shop Priming: Apply shop primer to comply with SSPC-PA 1, "Paint Application Specification No. 1: <br />Shop, Field, and Maintenance Painting of Steel," for shop painting. <br />PART 3 - EXECUTION <br />3.1 INSTALLATION, GENERAL <br />A. Cutting, Fitting, and Placement: Perform cutting, drilling, and fitting required for installing metal <br />fabrications. Set metal fabrications accurately in location, alignment, and elevation; with edges and <br />surfaces level, plumb, true, and free of rack; and measured from established lines and levels. <br />B. Fit exposed connections accurately together to form hairline joints. Weld connections that are not to be <br />left as exposed joints but cannot be shop welded because of shipping size limitations. Do not weld, cut, or <br />abrade surfaces of exterior units that have been hot-dip galvanized after fabrication and are for bolted or <br />screwed field connections. <br />C. Field Welding: Comply with the following requirements: <br />DocuSign Envelope ID: 09980A3B-0691-41B4-854D-3865F2287392