HOLLOW METAL DOORS AND FRAMES SECTION HOLLOW METAL DOORS AND FRAMES PART 1 - GENERAL

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1 HOLLOW METAL DOORS AND FRAMES SECTION HOLLOW METAL DOORS AND FRAMES 1.1 RELATED DOCUMENTS: PART 1 - GENERAL A. Drawings and general provisions of Contract, including General and Supplementary Conditions and Division 1 Specification sections, apply to this section. 1.2 SUMMARY: A. Extent of hollow metal doors and frames is indicated and scheduled on drawings and in provisions of this section. B. Finish hardware is specified in another Division 8. C. Glass and glazing is specified in another Division 8. D. Painting is specified in Division QUALITY ASSURANCE: A. Provide doors and frames complying with Steel Door Institute "Recommended Specifications: Standard Steel Doors and Frames" (SDI-100). B. Fire-Rated Door Assemblies: Where fire-rated door assemblies are indicated or required, provide fire-rated door and frame assemblies that comply with tests per NFPA 80 "Standard for Fire Doors and Windows", UL-10C, UL 1784, UBC , and have been tested, listed, and labeled in accordance with ASTM E-2074 "Standard Methods of Fire Tests of Door Assemblies" by U.L., F.M. or Warnock Hersey (W.H.). (Other labels unacceptable.) 1. Positive Pressure Fire Tests of Door Assemblies: UBC /UL 10C. 2. Smoke seals required by manufacturer to permit positive pressure S label per Category H. 1.4 SUBMITTALS: A. Product Data: Submit manufacturer's technical product data substantiating that products comply with requirements. B. Shop Drawings: Submit for fabrication and installation of hollow metal doors and frames. Include details of each frame type, elevations of door design types, door accessories, conditions at openings, details of construction, location and installation requirements of finish hardware and reinforcements, and details of joints and connections. Show anchorage and accessory items. 1. Provide schedule of doors and frames using same reference numbers for details and openings as those on contract drawings. 2. Indicate and coordinate glazing frames and stops with glass and glazing requirements.

2 HOLLOW METAL DOORS AND FRAMES Coordinate and verify size and location of lites, louvers or other devices with scheduled door hardware to ensure code compliance, door warranty, integrity of fire rating, and avoidance of conflicts with door hardware. Bring any incompatibilities or other issues to the attention of the Architect. C. Samples, if requested by Architect: 1. 12" x 12" section of door showing internal construction, edge detail, and reinforcement for butts " x 12" "L" Section of frames showing finished corner details. D. Label Construction Certification: For door assemblies required to be fire-rated; submit manufacturer's certification that each door and frame assembly has been constructed to conform to design, materials and construction equivalent to requirements for labeled construction. E. Insulated Door Construction Certification: For door assemblies required to have "U" value, submit manufacturer's certification conforming to specifications. 1.5 DELIVERY, STORAGE AND HANDLING: A. Deliver hollow metal work cartoned or crated to provide protection during transit and job storage. B. Inspect hollow metal work upon delivery for damage. Minor damages may be repaired provided refinished items are equal in all respects to new work and acceptable to Architect; otherwise, remove and replace damaged items as directed. C. Store doors and frames at building site under cover. Place units on minimum 4 inch high wood blocking. Avoid use of non-vented plastic or canvas shelters which could create humidity chamber. If cardboard wrapper on door becomes wet, remove carton immediately. Provide 1/4 inch spaces between stacked doors to promote air circulation. PART 2 - PRODUCTS 2.1 MANUFACTURER: Hollow metal doors and frames specified herein are product of Steelcraft Mfg. Co. Products of the following manufacturers, subject to compliance with requirements, will be acceptable: A. Ceco Door Products. B. Steelcraft Mfg. Co. 2.2 MATERIALS, GENERAL: A. Cold-Rolled Steel Sheets: Commercial quality carbon steel, conforming to ASTM A-366. B. Galvanized Steel Sheets: Hot dipped galvannealed steel conforming to ASTM A-924, A60 zinc - iron alloy. C. Supports and Anchors: Fabricate of not less than 18 gage galvanized sheet steel. D. Inserts, Bolts, and Fasteners: Manufacturer's standard units, except hot-dip galvanize items to be built into exterior walls, complying with ASTM A-153, Class C or D as applicable.

3 HOLLOW METAL DOORS AND FRAMES E. Shop Applied Paint: 1. Phosphatize and apply one coat rust inhibitive baked-on metal primer at factory in accordance with ANSI A "Test Procedure and Acceptance Criteria for Painted Steel Surfaces for Steel Doors and Frames". 2.3 HOLLOW METAL DOORS: Equivalent to Steelcraft, specified series doors. A. Interior Doors: 1. LF Series seamless edge flush doors: a. Materials: b. Core: B. Door Fabrication: 1. General: (1) ASTM A-366 cold rolled sheet, commercial quality, Class I, stretcher leveled. (a) Face panels: Minimum No. 16 U.S. Standard Gauge. (b) Glazing: Standard glass lite trim. (1) Kraft honeycomb. Phenolic resin impregnated to resist moisture, mildew and vermin. (2) Physical properties: (excluding glazed areas) "R" factor minimum. "U" factor -.41 maximum. Compression strength 5,000 psf minimum. a. Fabricate face panels and edges of minimum gauge steel specified for face panels. b. Doors shall be provided with top and bottom 14 gauge steel channels, securely spot welded to both face panels. c. Provide 1/8 inch bevel in 2 inches on lock stile. d. Size: 1 3/4 inches thick by sizes scheduled. e. Provide continuous top caps to match face material on exterior doors. f. Fit glass openings with metal trim designed to receive scheduled glass and accommodate removable type glazing beads, matching face panel material. g. Reinforce doors internally to accept approved schedule hardware and door accessories. Weld reinforcement to panels and edges of doors as required.

4 HOLLOW METAL DOORS AND FRAMES LF Series seamless edge flush doors: a. Doors shall have continuous vertical mechanical interlocking seams on hinge and lock edges. (Intermittent fastening is not acceptable). b. Seams shall be tackwelded, filled and ground smooth. c. Doors shall be reinforced, stiffened and sound deadened with specified core material. Core material shall be laminated to the inside faces of both panels with adhesive applied to entire surface of panels and core material to assure permanent bond and to inhibit corrosion. Core material shall completely fill the inside of door. 2.4 HOLLOW METAL DOOR FRAMES: A. Frames in Interior Masonry Walls: 1. At interior openings with rough opening width over 3 feet 4 inches wide: Fabricate of minimum No. 14 U.S. Standard Gauge Galvanized Steel. 2. At interior openings with rough opening width of 3 feet 4 inches wide and under: Fabricate of minimum No. 16 U.S. Standard Gauge Galvanized Steel. 3. Welded type, mitered at corners, set up and internally welded in factory. Grind all welds smooth. 4. Frame base: Welded in base anchor plate with adjustable base anchor plate designed for mounting on top of slab or below. 5. Jamb anchors: 3/16 inch diameter wire anchors; adjustable vertically. B. Frames in In-Place Concrete Walls: 1. At interior openings with rough opening width over 3 feet 4 inches wide: Fabricate of minimum No. 14 U.S. Standard Gauge Cold Rolled Steel. 2. At interior openings with rough opening width of 3 feet 4 inches wide and under: Fabricate of minimum No. 16 U.S. Standard Gauge Cold Rolled Steel. 3. Welded type, mitered at corners, set up and internally welded in factory. Grind all welds smooth. 4. Frame base: Base anchor designed for mounting to top of slab prior to setting frame; frame attached to base anchor with countersunk sheet metal screws. 5. Jamb anchors: Designed for use with expansion shields and countersunk bolts to provide support for frame between rabbeted face of frame and existing masonry.

5 HOLLOW METAL DOORS AND FRAMES C. Frames in Gypsum Board Partitions, welded frames: 1. At openings with rough opening width over 3 feet 4 inches wide: Fabricate of minimum No. 14 U.S. Standard Gauge Cold Rolled Steel. 2. At openings with rough opening width of 3 feet 4 inches wide and under: Fabricate of minimum No. 16 U.S. Standard Gauge Cold Rolled Steel. 3. Welded type, mitered at corners, set up and internally welded in factory. Grind all welds smooth. 4. Frame base: Base anchor designed for mounting to top of slab prior to setting frame; frame attached to base anchor with countersunk sheet metal screws. 5. Jamb anchors: Adjustable anchors (provide head and sill anchors at borrowed light frames). a. Designed for anchorage to closed, channel shaped steel studs with sheet metal screws before wallboard is installed. D. Provide a Suitable Type Anchor at Each Jamb: 1. Jamb anchors for frames scheduled for fire-resistive openings, as required by testing agency procedure for fire-resistive rating. E. Provide profiles, shapes and dimensions as indicated on drawings, free of warp, buckles, fractures or other defects. F. Form stops integral with frame, unless otherwise shown. G. Screw applied glazing beads of minimum No. 20 U.S. Standard Gauge Steel of same type as balance of frame. Make corners to a close, neat fit and secure at 12 inch intervals with countersunk metal screws. H. Design glass rebates to retain scheduled glass. I. Mullion or Transom Bar Closed Sections: Match door frame materials. Fabricate tubular members with profiles as indicated. J. Fabricate door frames to set on finished floor. K. Silencers: Install three (3) rubber silencers per frame at lock jamb and two (2) silencers at head members on double doors. L. Spreaders: Furnish temporary removable type steel spreaders at bottom of welded frame.

6 HOLLOW METAL DOORS AND FRAMES FIRE-RATED UNIT REQUIREMENTS: A. Where door and frames are scheduled to have label, fabricate in accordance with U.L., F.M. or Warnock Hersey (W.H.) Requirements for label indicated. Affix appropriate U.L., F.M. or W.H. Label to doors and frames (other labels unacceptable). 1. "C" label: 3/4 hour. 2.6 FINISH HARDWARE PREPARATION: A. Prepare doors and frames to receive mortised and concealed finish hardware in accordance with final Finish Hardware Schedule and templates provided by hardware supplier. Comply with applicable requirements of ANSI A115 Series Specifications for door and frame preparation for hardware. B. Reinforce doors and frames to receive surface-applied hardware. Drilling and tapping for surface-applied finish hardware may be done at project site. C. Locate finish hardware as indicated on final shop drawings or, if not indicated, in accordance with "Recommended Locations for Builder's Hardware", published by Door and Hardware Institute. 2.7 SHOP PAINTING: A. Clean, treat, and paint exposed surfaces of steel door and frame units, including galvanized surfaces. B. Clean steel surfaces of mill scale, rust, oil, grease, dirt, and other foreign materials before application of paint. C. Apply shop coat of prime paint of even consistency to provide a uniformly finished surface ready to receive finish paint. 3.1 INSTALLATION: PART 3 - EXECUTION A. General: Install standard hollow metal doors, frames, and accessories in accordance with final shop drawings, manufacturer's data, and as herein specified. B. Placing Frames: Comply with provisions of SDI-105 "Recommended Erection Instructions For Steel Frames", unless indicated. 1. Except for frames located at in-place concrete or masonry and at drywall installations, place frames prior to construction of enclosing walls and ceilings. Set frames accurately in position, plumbed, aligned, and braced securely until permanent anchors are set. After wall construction is completed, remove temporary braces and spreaders leaving surfaces smooth and undamaged. 2. In masonry construction, locate three (3) wall anchors per jamb at hinge and strike levels. Grout frames solid with mortar.

7 HOLLOW METAL DOORS AND FRAMES At in-place concrete or masonry construction, set frames and secure to adjacent construction with machine screws and masonry anchorage devices. Grout frames solid with mortar. 4. Install fire-rated frames in accordance with NFPA Std. No In metal stud partitions, install at least three (3) wall anchors per jamb at hinge and strike levels. In open steel stud partitions, place studs in wall anchor notches and wire tie. In closed steel stud partitions, attach wall anchors to studs with tapping screws. C. Door Installation: 1. Fit hollow metal doors accurately in frames, within clearances specified in SDI Place fire-rated doors with clearances as specified in NFPA Standard No ADJUST AND CLEAN: A. Prime Coat Touch-Up: Immediately after erection, sand smooth any rusted or damaged areas of prime coat and apply touch-up of compatible air-drying primer. B. Final Adjustments: Check and readjust operating finish hardware items, leaving steel doors and frames undamaged and in complete and proper operating condition. END OF SECTION

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