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ST. BARBARA CATHOLIC SCHOOL TASK 2 75-24272-01 <br />DIOCESE OF ORANGE SEPTEMBER 12TH, 2024 <br />SANTA ANA, CA BID & PERMIT SET <br /> <br />METAL BUILDING SYSTEMS 133419 - 13 <br />2. Strainers: Bronze, copper, or aluminum wire ball type at outlets. <br />E. Downspouts: Zinc-coated (galvanized) or aluminum-zinc alloy-coated steel sheet, 0.018-inch <br />nominal uncoated steel thickness, prepainted with coil coating; finished to match metal wall <br />panels. Fabricate in minimum 10-foot- long sections, complete with formed elbows and offsets. <br />1. Mounting Straps: Fabricated from same material and finish as gutters. <br />F. Materials: <br />1. Fasteners: Self-tapping screws, bolts, nuts, self-locking rivets and bolts, end-welded studs, <br />and other suitable fasteners designed to withstand design loads. Provide fasteners with <br />heads matching color of materials being fastened by means of plastic caps or factory- <br />applied coating. <br />2. Fasteners for Metal Roof Panels: <br />a. Self-drilling or self-tapping, zinc-plated, hex-head carbon-steel screws, with a <br />stainless steel cap or zinc-aluminum-alloy head and EPDM sealing washer. <br />b. Self-drilling, Type 410 stainless steel or self-tapping, Type 304 stainless steel or <br />zinc-alloy-steel hex washer head, with EPDM washer under heads of fasteners <br />bearing on weather side of metal panels. <br />3. Fasteners for Flashing and Trim: Blind fasteners or self-drilling screws with hex washer <br />head. <br />4. Blind Fasteners: High-strength aluminum or stainless steel rivets. <br />5. Corrosion-Resistant Coating: Cold-applied asphalt mastic, compounded for 15-mil dry <br />film thickness per coat. Provide inert-type noncorrosive compound free of asbestos fibers, <br />sulfur components, and other deleterious impurities. <br />6. Nonmetallic, Shrinkage-Resistant Grout: ASTM C1107/C1107M, factory-packaged, <br />nonmetallic aggregate grout, noncorrosive, nonstaining, mixed with water to consistency <br />suitable for application and a 30-minute working time. <br />7. Metal Panel Sealants: <br />a. Sealant Tape: Pressure-sensitive, 100 percent solids, gray polyisobutylene- <br />compound sealant tape with release-paper backing. Provide permanently elastic, <br />nonsag, nontoxic, nonstaining tape of manufacturer's standard size. <br />b. Joint Sealant: ASTM C920; one part elastomeric polyurethane or polysulfide; of <br />type, grade, class, and use classifications required to seal joints in metal panels and <br />remain weathertight; and as recommended by metal building system manufacturer. <br />2.8 FABRICATION <br />A. General: Design components and field connections required for erection to permit easy assembly. <br />1. Mark each piece and part of the assembly to correspond with previously prepared erection <br />drawings, diagrams, and instruction manuals. <br />2. Fabricate structural framing to produce clean, smooth cuts and bends. Punch holes of <br />proper size, shape, and location. Members to be free of cracks, tears, and ruptures.