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Orange County Architectural Renovations Smith Sinnett / 2023036 <br />Hillsborough, NC Orange County Asset Management Services <br />ALUMINUM-FRAMED ENTRANCES AND STOREFRONTS08 41 13 - 8 <br />3.2 INSTALLATION <br />A. General: <br />1. Comply with manufacturer’s written instructions. <br />2. Do not install damaged components. <br />3. Fit joints to produce hairline joints free of burrs and distortion. <br />4. Rigidly secure nonmovement joints. <br />5. Install anchors with separators and isolators to prevent metal corrosion and electrolytic deterioration. <br />6. Seal joints watertight unless otherwise indicated. <br />B. Metal Protection: <br />1. Where aluminum will contact dissimilar metals, protect against galvanic action by painting contact surfaces with <br />primer or applying sealant or tape, or by installing nonconductive spacers as recommended by manufacturer for this <br />purpose. <br />2. Where aluminum will contact concrete or masonry, protect against corrosion by painting contact surfaces with <br />bituminous paint. <br />3. Zinc or cadmium plate steel anchors and other unexposed fasteners after fabrication. <br />C. Install components to drain water passing joints, condensation occurring within framing members, and moisture migrating <br />within the system to exterior. <br />D. Set continuous sill members and flashing in full sealant bed as specified in Division 07 Section "Joint Sealants" to produce <br />weathertight installation. <br />E. Install components plumb and true in alignment with established lines and grades, and without warp or rack. <br />F. Drill and tap frames and doors and apply surface-mounted hardware items. Comply with hardware manufacturer’s <br />instructions and template requirements. Use concealed fasteners wherever possible. <br />G. Install glazing as specified in Division 08 Section "Glazing." <br />1. Structural-Sealant Glazing: <br />a. Prepare surfaces that will contact structural sealant according to sealant manufacturer’s written instructions <br />to ensure compatibility and adhesion. Preparation includes, but is not limited to, cleaning and priming <br />surfaces. <br />b. Install weatherseal sealant according to Division 07 Section "Joint Sealants" and according to sealant <br />manufacturer’s written instructions to produce weatherproof joints. Install joint filler behind sealant as <br />recommended by sealant manufacturer. <br />c. Set sill members and other members in bed of sealant as indicated, or with joint fillers or gaskets as <br />indicated to provide weathertight construction. Comply with requirements of Division 07 for sealants, <br />fillers, and gaskets. <br />H. Entrance Doors: Install doors to produce smooth operation and tight fit at contact points. <br />1. Exterior Doors: Install to produce weathertight enclosure and tight fit at weather stripping. <br />2. Field-Installed Entrance Door Hardware: Install surface-mounted entrance door hardware according to entrance <br />door hardware manufacturers’ written instructions using concealed fasteners to greatest extent possible. <br />I. Install perimeter joint sealants as specified in Division 07 Section "Joint Sealants" to produce weathertight installation. <br />3.3 ERECTION TOLERANCES <br />A. Install aluminum-framed systems to comply with the following maximum erection tolerances: <br />1. Location and Plane: Limit variation from true location and plane to 1/8 inch in 12 feet; 1/4 inch over total length. <br />2. Alignment: <br />a. Where surfaces abut in line, limit offset from true alignment to 1/16 inch. <br />b. Where surfaces meet at corners, limit offset from true alignment to 1/32 inch. <br />B. Diagonal Measurements: Limit difference between diagonal measurements to 1/8 inch. <br />Docusign Envelope ID: 52FACC74-DA96-491B-B0B8-04AC3961737D