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C. Hardware: Mount units at heights indicated in DHI's "Recommended Locations for Architec- <br /> tural Hardware for Standard Steel Doors and Frames." <br /> 1. Install surface-mounted items after finishes have been completed on substrates involved. <br /> 2. Set units level, plumb, and true to line and location. Adjust and reinforce substrate as <br /> necessary for proper installation and operation. <br /> 3. Drill and countersink units that are not factory prepared for anchorage fasteners. Space <br /> fasteners and anchors according to industry standards. <br /> 4. Set thresholds for exterior doors in full bed of butyl-rubber or polyisobutylane mastic <br /> sealant complying with manufacturer's installation requirements and instructions. <br /> <br />3.7 ACCESSORY INSTALLATION <br /> <br /> A. General: Install gutters, downspouts, ventilators, louvers, and other accessories according to <br /> manufacturer's written instructions, with positive anchorage to building and weathertight <br /> mounting. Coordinate installation with flashings and other components. <br /> <br /> B. Flashing and Trim: Comply with performance requirements, manufacturer's written installation <br /> instructions, and SMACNA's "Architectural Sheet Metal Manual." Provide for thermal expan- <br /> sion of metal units; conceal fasteners where possible, and set units tree to line and level as indi- <br /> cated. Install work with laps, joints, and seams that will be permanently watertight and weather <br /> resistant. <br /> 1. Install exposed flashing and trim that is without excessive oil canning, buckling, and tool <br /> marks and that is true to line and levels indicated, with exposed edges folded back to <br /> form hems. Install sheet metal flashing and trim to fit substrates and to result in water- <br /> proof and weather-resistant performance. <br /> 2. Expansion Provisions: Provide for thermal expansion of exposed flashing and trim. <br /> Space movement joints at a maximum of 10 feet (3 m) with no joints allowed within 24 <br /> inches (610 mm) of corner or intersection. Where lapped or bayonet-type expansion pro- <br /> visions cannot be used or would not be sufficiently weather resistant and waterproof, <br /> form expansion joints of intermeshing hooked flanges, not less than 1 inch (25 mm) deep, <br /> filled with mastic sealant (concealed within joints). <br /> 3. Separations: Separate metal from incompatible metal or corrosive substrates by coating <br /> concealed surfaces, at locations of contact, with asphalt mastic or other permanent <br /> separation as recommended by manufacturer. <br /> <br /> C. Pipe Flashing: Form flashing around pipe penetration and roof panels. Fasten and seal to roof <br /> panel as recommended by manufacturer. <br /> <br />3.8 ERECTION AND LOCATION TOLERANCES <br /> <br /> A. Roof Panel Installation Tolerances: Shim and align units within installed tolerance of 1/4 inch <br /> in 20 feet (6 mm in 6 m) on slope and location lines as indicated and within 1/8-inch (3-mm) <br /> offset of adjoining faces and of alignment of matching profiles. <br /> <br /> B. Wall Panel Installation Tolerances: Shim and align units within installed tolerance of 1/4 inch <br /> in 20 feet (6 mm in 6 m) on level, plumb, and location lines as indicated and within 1/8-inch (3- <br /> mm) offset of adjoining faces and of alignment of matching profiles. <br /> <br />3.9 ADJUSTING <br /> <br /> A. Doors: At~er completing installation, lubricate, test, and adjust doors to operate easily, free <br /> from warp, twist, or distortion. <br /> <br />City of Paris, Texas 13125 - 12 T-Hangar Building <br /> <br /> <br />