DETAILED METAL DOOR SPECIFICATION. UNIVERSITY CONTACT: Mark Golden, Supervisor of Structural Services (302)

Transcription

1 DETAILED METAL DOOR SPECIFICATION UNIVERSITY CONTACT: Mark Golden, Supervisor of Structural Services (302) PART 1 GENERAL DOORS 1.01 GENERAL PROVISIONS I. The Drawings and General Provisions of the Contract, including the Conditions of the Contract (General, Supplementary, and other Conditions, if any) and Divisions 1 as appropriate, apply to the Work specified in this Section WORK INCLUDED I. Custom and fire rated type pressed steel hollow metal doors and panels with flush faces RELATED WORK A. Custom and fire rated pressed steel hollow metal door frames and borrowed light frames. I. Section 06100: Installation of doors and frames. A. Section 08210: Wood doors. B. Section 08700: Hardware for doors. C. Section 08800: Glass and glazing for doors and borrowed light frames. D. Section 09900: Finish painting of doors and frames REFERENCE STANDARDS I. ANSI A Recommended Specifications-Standard Steel Doors and Frames of Steel Door Institute. A. SDI Recommended Erection Instructions for Steel Frames. B. Underwriters' Laboratories, Inc. (UL) and Factory Mutual (FM), as REV 1/ fds\pdf\maintenance\structural\metaldoors.pdf

2 applicable to fire rated hollow metal doors. C. NFPA No Fire Doors and Windows. D. ASTM A653 - Steel Sheet, Zinc-Coated (Galvanized) or Zinc-Iron alloy coated (Galvanized) by the Hot-Dip Process, General Requirements. E. ASTM A569 - Steel, Carbon, Hot-Rolled Sheet and Strip, Commercial Quality. F. ASTM A591 - Steel Sheet, Cold-Rolled, Electrolytic Zinc-Coated. G. ASTM A366 - Steel, Carbon, Cold-Rolled Sheet, Commercial Quality SHOP DRAWINGS AND PRODUCT DATA I. Shop Drawings and Product Data in accordance with Section A. Indicate general construction, configurations, jointing methods, reinforcements, anchorage methods, hardware locations and locations of cutouts for glass and louvers DELIVERY, STORAGE, HANDLING AND PROTECTION I. Deliver hollow metal work cartoned or crated to provide protection during transit and job storage. Provide additional sealed plastic wrapping for factory finished doors. A. Inspect hollow metal work upon delivery for damage. Minor damages may be repaired provided finish items are equal in all respects to new work and acceptable to Architect; otherwise, remove and replace damaged items as directed. B. Store doors and frames at building site under cover. Place units on wood sills at least 4" high, or otherwise store on floors in manner that will prevent rust and damage. 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" spaces between stacked doors to promote air circulation. PART 2 PRODUCTS REV 1/ fds\pdf\maintenance\structural\metaldoors.pdf

3 2.01 ACCEPTABLE MANUFACTURERS (NAAMM Custom Hollow Metal ONLY) I. Acceptable Manufacturers A. Phillip Manufacturing Company B. Curries Co. C. Ceco Corporation D. Pioneer Industries II. Substitutions: Items of same function and performance are acceptable in conformance with Section HARDWARE LOCATIONS I. Locate hardware on doors and frames as follows, unless otherwise indicated or as required by NFPA-80. Hinges: Top...5 inches from head of frame to top of hinge. Bottom...10 inches from finished floor to bottom of hinge. Intermediate...Centered between top and bottom hinges. On Dutch Doors...5 inches from head of frame to top of hinge; 10 inches from finished floor to bottom of bottom hinge; 5 inches from split line to top and bottom, respectively, of lower and upper intermediate hinges. Unit and Integral Type Locks and: Latches...38 inches to centerline of knob Deadlocks...48 inches to centerline of cylinder Panic Hardware...38 inches to centerline of cross bar Door Pulls...42 inches to center of grip from Push-Pull Bars42 inches to center line of bar finished REV 1/ fds\pdf\maintenance\structural\metaldoors.pdf

4 Arm Pulls...47 inches to centerline floor* Push Plates...48 inches to centerline of plate Roller Latches 45 inches to centerline *For purposes of hardware location, consider finished floor, in all cases, to be top of concrete, ignoring thickness of applied floor finish CLEARANCES I. Edge clearances shall be provided as follows: 2.04 MATERIALS A. Between Doors and Frames, at Head and Jambs: 1/8 inch. B. At Door Sills: Where no threshold is used - 3/8 inch maximum; where threshold is used - 3/4 inch maximum above finished floor. C. Between Meeting Edges of Pairs of Doors: 1/8 inc. I. Hot Rolled Steel Sheets and Strip: Commercial quality carbon steel, pickled and oiled, complying with ASTM A-569 and ASTM A-568. A. Cold-Rolled Steel Sheets: Commercial quality carbon steel, complying with ATM A-366 and ASTM A-568. B. Galvanized Steel Sheets: Zinc-coated or Zinc Iron alloy- coated carbon steel sheets of commercial quality, complying with ASTM A526, with ASTM A653, G-60 zinc coating, mill phosphatized. Use for all exterior units. C. Supports and Anchors: Fabricate of not less than 18 gauge galvanized sheet steel. D. Inserts, Bolts, and Fasteners: Manufacturer's custom units, except hot-dip galvanized items to be built into exterior walls, complying with ASTM A- 153, Class C or D as applicable. E. Shop Applied Paint: 1. Shop Primer: Rust-inhibitive enamel or paint, either air-drying or baking, suitable as a base for specified finish paints. REV 1/ fds\pdf\maintenance\structural\metaldoors.pdf

5 2.05 HOLLOW METAL DOORS I. Materials: Commercial quality, level, cold-rolled steel conforming to ASTM A- 366 and free of scale, pitting or other surface defects. Face sheets not less than 16 gauge. Face sheets for exterior doors shall have a zinc coating of not less than 0.20 ounces per square foot and not less than 14 gauge. A. Design and Construction 1. All doors shall be custom made, of the types and sizes shown and shall be fully welded seamless construction with no visible seams or joints on their faces or vertical edges. Minimum door thickness shall be 1-3/4 inch. Minimum door size shall be 3'0" X 7'0". 2. All doors shall be rigid and neat in appearance, free from warpage or buckle. Corner bends shall be true and straight, and of minimum radius for the gauge of metal used. 3. Door faces shall be jointed at their vertical edges by a continuous weld extending the full height of the door. All such welds shall be ground, filled and dressed smooth to make them invisible and provide a smooth flush surface. 4. Top and bottom edges of all doors shall be closed with a continuous recessed steel channel not less than 16 gauge, extending the full width of the door and spot welded to both faces. Exterior doors shall have an additional flush closing channel at their top edges and, where required for attachment of weatherstripping, a flush closure also at their bottom edges. Openings shall be provided in the bottom closure of exterior doors to permit the escape of entrapped moisture. 5. Edge profiles shall be provided on both vertical edges of doors as follows: a. Single-Acting Swing Doors: Beveled 1/8 inch in 2 inches. b. Double-Acting Swing Doors: Rounded on 2-1/8 inch radius. 6. All hardware furnished by the hardware contractor for single- REV 1/ fds\pdf\maintenance\structural\metaldoors.pdf

6 acting doors shall be designed for beveled edges as specified in subparagraph 6 above. 7. Hardware Reinforcements a. Doors shall be mortised, reinforced, drilled and tapped at the factory for fully templated hardware only, in accord with the approved hardware schedule and templates provided by the hardware contractor. Where surfacemounted hardware is to be applied, door shall have reinforcing plates only; all drilling and tapping will be performed under Section b. Minimum gauges for hardware reinforcing plates shall be as follows: (1) Hinge and Pivot Reinforcements: 7 gauge. (2) Reinforcements for Lock Face, Panic devices, Flush Bolts Concealed Holders, Concealed or Surface- Mounted Closers: 12 gauge. (3) Reinforcements for All Other Surface-Mounted Hardware: 16 gauge. 8. Glass Moldings and Stops a. Where specified or scheduled, doors shall be provided with hollow metal moldings to secure glazing provided under Section in accordance with glass opening sizes shown. b. Fixed moldings shall be securely welded to the door on the security side. c. Loose stops shall be not less than 20 gauge steel, with mitered corner joints, secured to the framed opening by cadmium or zinc-coated countersunk screws. Snap-on attachments not permitted. 9. Louvers shall be minimum 18 gauge, inverted "V", of welded blade type of construction providing the free air area indicated. REV 1/ fds\pdf\maintenance\structural\metaldoors.pdf

7 2.06 HOLLOW METAL FRAMES I. Materials 10. Labeled Doors: See Article titled "Labeled Doors and Frames". A. Frames for exterior openings shall be made of commercial grade coldrolled steel conforming to ASTM A-366, not less than 14 gauge, and shall have a zinc coating of not less than 0.10 ounces per square foot. B. Frames for interior openings shall be either commercial grade cold-rolled steel conforming to ASTM A-366 or commercial grade hot rolled and pickled steel conforming to ASTM A-569. Frame metal thickness shall be not less than 16 gauge. C. Mortar Guard Boxes: Minimum 22 gauge welded in place. II. Design and Construction A. All frames shall be custom made welded units with integral trim, of the sizes and shapes shown on approved Shop Drawings. Knocked-down frames will not be accepted. B. All finished work shall be rigid, neat in appearance, square, true and free of defects, warp or buckle. Molded members shall be clean-cut, straight and of uniform profile throughout their lengths. C. Jamb depths, trim, profile and backbends shall be as shown. D. Corner joints shall have all contact edges closed tight, with trim faces mitered and continuously welded, and stops mitered. The use of gussets will not be permitted. E. Minimum depth of stops shall be 5/8 inch. F. When shipping limitations so dictate, frames for large openings shall be fabricated in sections designed for splicing in the field. G. Frames for multiple or special openings shall have mullion and/or rail members which are closed tubular shapes having no visible seams or joints. All joints between faces of abutting members shall be securely REV 1/ fds\pdf\maintenance\structural\metaldoors.pdf

8 welded and finished smooth. Reinforce head sections where mullions occur. H. Hardware Reinforcements 1. Frames shall be mortised, reinforced, drilled and tapped at the factory for fully templated mortised hardware only, in accord with approved hardware schedule and templates provided by the hardware contractor. When surface-mounted hardware is to be applied, frames shall have reinforcing plates only; all drilling and tapping will be performed under Section Minimum thickness of hardware reinforcing plates shall be as follows: a. Hinge and Pivot Reinforcements: 7 gauge, 1-1/4 inch x 10 inch minimum size. b. Strike Reinforcements: 12 gauge. c. Flush Bolt Reinforcements: 12 gauge. d. Closer Reinforcements: 12 gauge. e. Reinforcements for: Surface-mounted hardware - 12 gauge; hold-open arms - 12 gauge; surface panic devices - 12 gauge. I. Floor Anchors 1. Floor anchors shall be securely welded inside each jamb, with two holes provided at each jamb for floor anchorage. 2. Where so scheduled or specified, adjustable floor anchors, providing not less than 2 inch height adjustment, shall be provided. 3. Minimum thickness of floor anchors shall be 14 gauge. J. Jamb Anchors 1. Frames for installation in masonry walls shall be provided with adjustable jamb anchors of the T-strap type. Anchors shall be not less than 16 gauge steel. The number of anchors provided on each REV 1/ fds\pdf\maintenance\structural\metaldoors.pdf

9 jamb shall be as follows: a. Frames Up to 7 Feet 6 Inch Height: 3 anchors. b. Frames 7 Feet 6 Inches to 8 Feet Height: 4 anchors. c. Frames Over 8 Feet Height: 1 anchor for each 2 feet, or fraction thereof, in height. 2. Frames for installation in stud partitions shall be provided with steel anchors of suitable design to allow passage of grout, not less than 18 gauge thickness, securely welded inside each jamb as follows: a. Frames up to 7 Feet 6 Inch Height: 4 anchors. b. Frames 7 Feet 6 Inches to 8 Feet Height: 5 anchors. c. Frames over 8 Feet Height: 5 anchors plus 1 additional for each 2 feet, or fraction thereof, over 8 feet. d. Frames over 5 feet wide shall be provided with anchors in the head of the frame (similar to jamb anchors) located approximately 8 inches from each jamb and at 24 inches maximum spacing between. 3. Where frames occur in concrete walls, or in new openings cut into existing masonry walls, provide pipe spacers, 3/8 inch steel bars, and No. 12 gauge plates attached to inside jamb frame 2 feet o.c., to receive expansion bolts; minimum of 4 bolts per 7 foot high jamb. Fasteners for such anchors shall be provided under Section K. Frames for installation in masonry wall openings more than 4 feet in width shall have an angle or channel stiffener factory welded into the head. Such stiffeners shall be not less than 12 gauge steel and not longer than the opening width, and shall not be used as lintels or load-bearing members. L. Dust cover boxes (or mortar guards) of not thinner than 26 gauge steel shall be provided at all hardware mortises on frames to be set in masonry or plaster partitions. REV 1/ fds\pdf\maintenance\structural\metaldoors.pdf

10 M. All frames shall be provided with a steel spreader temporarily attached to the feet of both jambs to serve as a brace during shipping and handling. N. Loose glazing stops shall be of cold-rolled steel, not less than 20 gauge thickness, butted at corner joints and secured to the frame with countersunk, flat head cadmium or zinc-plated screws. 0. Labeled Frames: See Article titled "Labeled Doors and Frames" LABELED DOORS AND FRAMES I. Conform to requirements of NFPA-80. A. Provide for those openings requiring fire protection ratings as indicated. Such doors and frames shall be constructed as tested and approved by UL or other nationally recognized testing agency having a factory inspection service. B. If any door or fame specified to be fire rated cannot qualify for appropriate labeling because of its design, hardware or any other reason, the Architect shall be so advised before fabrication work on that item is started. REV 1/ fds\pdf\maintenance\structural\metaldoors.pdf

11 2.07 FINISH 1. Fabricate fire rated hollow metal frames of materials in accordance with requirements of Underwriters' laboratories Inc. (UL) and Factory Mutual (FM). Place UL metal labels where visible when frames are installed in position. Refer to drawings for class requirements. C. Pairs of doors in Corridors shall be products of a manufacturer who can furnish such doors without astragals and meet the UL requirements. I. After fabrication, all tool marks and surface imperfections shall be dressed, filled and sanded as required to make all faces and vertical edges smooth, level and free of all irregularities. Products shall then be chemically treated to insure maximum paint adhesion and shall be coated on all exposed surfaces with a rust-inhibitive primer which shall be cured before shipment. A. Doors and frames shall receive field applied painted finish provided under Section PART 3 EXECUTION 3.01 INSTALLATION - FRAMES I. Erect frames in accordance with SDI-105. A. Install frames plumb, rigid and in true alignment, and fasten them so as to retain their position and clearance during construction of partitions. B. Fill frames in masonry walls with mortar as the wall is laid up. C. Frames in solid plaster or steel stud walls shall be completely filled with plaster. D. When an additive is used in the plaster or mortar to prevent freezing, frames shall be coated on the inside with a corrosion inhibiting bituminous material. REV 1/ fds\pdf\maintenance\structural\metaldoors.pdf

12 3.02 INSTALLATION - DOORS I. Install doors plumb and in true alignment in a prepared opening and fasten them to achieve the maximum operational effectiveness and appearance of the unit FINISH PAINTING A. Coordinate installation of hardware, glass and glazing. I. Unless factory finish is specified herein, finish painting of doors and frames will be performed in the field under the provisions of Section 09900, PAINTING. There are to be no hi-lights TOUCH-UP AND CLEANING I. After installation, touch-up scratched, rusted or damaged surfaces. Use type of primer recommended for galvanized surfaces or identical to that used for shop coat. A. Clean doors and frames and protect from damage until completion of project. B. Damaged work will be rejected and shall be replaced. -- END OF SECTION -- REV 1/ fds\pdf\maintenance\structural\metaldoors.pdf