08 11 13 STEEL DOORS AND FRAMES .doc

SECTION 08 11 13

STEEL DOORS AND FRAMES

PART 1 GENERAL

1.1 REFERENCES

1.1.1 The publications listed below form a part of this specification to the extent referenced. The publications are referred to in the text by the basic designation only. Unless otherwise noted, the latest published version and/or revision shall be used.

1.1.1.1 AMERICAN WELDING SOCIETY (AWS)

a. AWS D1.1 Structural Welding Code - Steel

1.1.1.2 ASTM INTERNATIONAL (ASTM)

a. ASTM A 653 Standard Specification for Steel Sheet, Zinc-Coated (Galvanized) or Zinc-Iron Alloy-Coated (Galvannealed) by the Hot-Dip Process

b. ASTM A 924 Standard Specification for General Requirements for Steel Sheet, Metallic-Coated by the Hot-Dip Process

c. ASTM C 578 Standard Specification for Rigid, Cellular Polystyrene Thermal Insulation

d. ASTM C 591 Standard Specification for Unfaced Preformed Rigid Cellular Polyisocyanurate Thermal Insulation

e. ASTM C 612 Mineral Fiber Block and Board Thermal Insulation

f. ASTM D 2863 Measuring the Minimum Oxygen Concentration to Support Candle-Like Combustion of Plastics (Oxygen Index)

g. ASTM E 283 Determining the Rate of Air Leakage Through Exterior Windows, Curtain Walls, and Doors Under Specified Pressure Differences Across the Specimen

1.1.1.3 BUILDERS HARDWARE MANUFACTURERS ASSOCIATION (BHMA)

a. BHMA A115 Specifications for Door and Frame Preparation for Hardware (Incl A115.1, A115.2, A115.4, A115.5, A115.6, A115.12, A115.13, A115.14, A115.15, A115.16, A115.17, A115.18)

1.1.1.4 NATIONAL ASSOCIATION OF ARCHITECTURAL METAL MANUFACTURERS (NAAMM)

a. NAAMM HMMA HMM Hollow Metal Manual

1.1.1.5 NATIONAL FIRE PROTECTION ASSOCIATION (NFPA)

a. NFPA 105 Installation of Smoke Door Assemblies

b. NFPA 252 Standard Methods of Fire Tests of Door Assemblies

c. NFPA 80 Standard for Fire Doors and Other Opening Protectives

1.1.1.6 STEEL DOOR INSTITUTE (SDI/DOOR)

a. SDI/DOOR 111 Recommended Selection and Usage Guide for Standard Steel Doors, Frames and Accessories

b. SDI/DOOR 113 Determining the Steady State Thermal Transmittance of Steel Door and Frame Assemblies

c. SDI/DOOR A250.11 Recommended Erection Instructions for Steel Frames

d. SDI/DOOR A250.3 Test Procedure and Acceptance Criteria for Factory Applied Finish Painted Steel Surfaces for Steel Doors and Frames

e. SDI/DOOR A250.4 Test Procedure and Acceptance Criteria for Physical Endurance for Steel Doors, Frames, Frame Anchors and Hardware Reinforcings

f. SDI/DOOR A250.6 Hardware on Steel Doors (Reinforcement - Application)

g. SDI/DOOR A250.8 Recommended Specification for Standard Steel Doors and Frames

1.1.1.7 UNDERWRITERS LABORATORIES (UL)

a. UL 10B Fire Tests of Door Assemblies

1.1.1.8 UNIFIED FACILITIES CRITERIA (UFC)

a. UFC 4-010-01 DoD Minimum Antiterrorism Standards for Buildings

1.2 SUBMITTALS

1.2.1 Government approval may be required on any of the following items. Items requiring submittals will be listed on the AF Form 66. Provide copies of all submittals per the requirements in Section 01 33 00, Submittal Procedures, or as listed on the AF Form 66.

1.2.1.1 SD-02 Shop Drawings

a. Doors

b. Frames

c. Accessories

(1) Show elevations, construction details, metal gages, hardware provisions, method of glazing, and installation details.

d. Schedule of doors

e. Schedule of frames

f. Submit door and frame locations.

1.2.1.2 SD-03 Product Data

a. Doors

b. Frames

c. Accessories

(1) Submit manufacturer's descriptive literature for doors, frames, and accessories. Include data and details on door construction, panel (internal) reinforcement, insulation, and door edge construction. When "custom hollow metal doors" are provided in lieu of "standard steel doors," provide additional details and data sufficient for comparison to SDI/DOOR A250.8 requirements.

1.3 SYSTEM DESCRIPTION

1.3.1.1 Where applicable or required by the Statement of Work (SOW), exterior doors, glazing, and supporting structural elements shall comply with Standards 10 and 12 of the UFC 4-010-01, DoD Minimum Antiterrorism Standards for Buildings.

1.4 DELIVERY, STORAGE, AND HANDLING

1.4.1 Deliver doors, frames, and accessories undamaged and with protective wrappings or packaging. Strap knock-down frames in bundles. Provide temporary steel spreaders securely fastened to the bottom of each welded frame. Store doors and frames on platforms under cover in clean, dry, ventilated, and accessible locations, with 1/4 inch airspace between doors. Remove damp or wet packaging immediately and wipe affected surfaces dry. Replace damaged materials with new.

PART 2 PRODUCTS

2.1 STANDARD STEEL DOORS

2.1.1 SDI/DOOR A250.8, except as specified otherwise. Prepare doors to receive door hardware. Undercut where indicated. Exterior doors shall have top edge closed flush and sealed to prevent water intrusion. Doors shall be 1-3/4 inch thick, unless otherwise indicated.

2.1.1.1 Classification - Level, Performance, Model

a. Standard Duty Doors

(1) SDI/DOOR A250.8, Level 1, physical performance Level C, Model 1 or 2, of size(s) and design(s) indicated and core construction as required by the manufacturer. Provide where shown.

2.2 INSULATED STEEL DOOR SYSTEMS

2.2.1 At the option of the Contractor, insulated steel doors and frames may be provided in lieu of Grade I standard steel doors and frames. Door size(s), design, and material shall be as specified for standard steel doors. Insulated steel doors shall have a core of polyurethane foam and an R factor of 10.0 or more (based on a k value of 0.16); face sheets, edges, and frames of galvanized steel not lighter than 23 gage, and 16 gage respectively; magnetic weatherstripping; nonremovable-pin hinges; thermal-break aluminum threshold; and vinyl door bottom. Doors and frames shall receive phosphate treatment, rust-inhibitive primer, and baked acrylic enamel finish. Doors shall have been tested in accordance with SDI/DOOR A250.4 and shall have met the requirements for Level C. Prepare doors to receive specified hardware. Doors shall be 1-3/4 inch thick. Provide insulated steel doors and where shown.

2.3 ACCESSORIES

2.3.1 Louvers

2.3.1.1 Exterior Louvers

a. Louvers shall be inverted "Y” or “Z" type with minimum of 30 or 35 percent net-free opening respectively. Weld or tenon louver blades to continuous channel frame and weld assembly to door to form watertight assembly. Form louvers of hot-dip galvanized steel of same gage as door facings. Louvers shall have steel-framed insect screens secured to room side and readily removable. Provide aluminum wire cloth, 18 by 18 or 18 by 16 inch mesh. Net-free louver area to be before screening.

2.3.2 Astragals

2.3.2.1 For pairs of exterior steel doors which will not have aluminum astragals or removable mullions, as specified in Section 08 71 00 DOOR HARDWARE provide overlapping steel astragals with the doors. For interior pairs of fire rated and smoke control doors, provide stainless steel astragals complying with NFPA 80 for fire rated assemblies and NFPA 105 for smoke control assemblies.

2.3.3 Moldings

2.3.3.1 Provide moldings around glass of interior and exterior doors and louvers of interior doors. Provide nonremovable moldings on outside of exterior doors and on corridor side of interior doors. Other moldings may be stationary or removable. Secure inside moldings to stationary moldings, or provide snap-on moldings. Muntins shall interlock at intersections and shall be fitted and welded to stationary moldings.

2.4 INSULATION CORES

2.4.1 Insulated cores shall be of type specified, and provide an apparent U-factor of .48 in accordance with SDI/DOOR 113 and shall conform to:

2.4.1.1 Rigid Polyurethane Modified Polyisocyanurate Foam: ASTM C 591, Type I or II, foamed-in-place or in board form, with oxygen index of not less than 22 percent when tested in accordance with ASTM D 2863; or

2.4.1.2 Rigid Polystyrene Foam Board: ASTM C 578, Type I or II; or

2.4.1.3 Mineral board: ASTM C 612, Type I.

2.5 STANDARD STEEL FRAMES

2.5.1 SDI/DOOR A250.8, Level 1, 2, 3, or 4, except as otherwise specified. Form frames to sizes and shapes indicated, with welded corners unless knock-down field-assembled corners are indicated. Provide steel frames for doors, transoms, sidelights, mullions, cased openings, and interior glazed panels, unless otherwise indicated.

2.5.1.1 Welded Frames

a. Continuously weld frame faces at corner joints. Mechanically interlock or continuously weld stops and rabbets. Grind welds smooth.

b. Weld frames in accordance with the recommended practice of the Structural Welding Code Sections 1 through 6, AWS D1.1 and in accordance with the practice specified by the producer of the metal being welded.

2.5.1.2 Mullions and Transom Bars

a. Mullions and transom bars shall be closed or tubular construction and be a member with heads and jambs butt-welded thereto or knock-down for field assembly. Bottom of door mullions shall have adjustable floor anchors and spreader connections.

2.5.1.3 Stops and Beads

a. Form stops and beads from 20 gage steel. Provide for glazed and other openings in standard steel frames. Secure beads to frames with oval-head, countersunk Phillips self-tapping sheet metal screws or concealed clips and fasteners. Space fasteners approximately 12 to 16 inch on center. Miter molded shapes at corners. Butt or miter square or rectangular beads at corners.

2.5.1.4 Terminated Stops

a. Where indicated, terminate interior door frame stops 6 inch above floor. Do not terminate stops of frames for lightproof, soundproof, or lead-lined doors.

2.5.1.5 Cased Openings

a. Fabricate frames for cased openings of same material, gage, and assembly as specified for metal door frames, except omit door stops and preparation for hardware.

2.5.1.6 Anchors

a. Provide anchors to secure the frame to adjoining construction. Provide steel anchors, zinc-coated or painted with rust-inhibitive paint, not lighter than 18 gage.

(1) Wall Anchors

(a) Provide at least three anchors for each jamb. For frames which are more than 7.5 feet in height, provide one additional anchor for each jamb for each additional 2.5 feet or fraction thereof.

1. Masonry: Provide anchors of corrugated or perforated steel straps or 3/16 inch diameter steel wire, adjustable or T-shaped;

2. Stud partitions: Weld or otherwise securely fasten anchors to backs of frames. Design anchors to be fastened to wood studs and closed steel studs with screws, and to open steel studs by welding.

3. Completed openings: Secure frames to previously placed concrete or masonry with expansion bolts in accordance with SDI/DOOR 111;

(2) Floor Anchors

(a) Provide floor anchors drilled for 3/8 inch anchor bolts at bottom of each jamb member.

2.6 FIRE AND SMOKE DOORS AND FRAMES

2.6.1 NFPA 80 and NFPA 105 and this specification. The requirements of NFPA 80 and NFPA 105 shall take precedence over details indicated or specified.

2.6.1.1 Door and Frame Labels

a. Fire doors and frames shall bear the label of Underwriters Laboratories (UL), Factory Mutual Engineering and Research (FM), or Warnock Hersey International (WHI) attesting to the rating required. Testing shall be in accordance with NFPA 252 or UL 10B. Labels shall be metal with raised letters, and shall bear the name or file number of the door and frame manufacturer. Labels shall be permanently affixed at the factory to frames and to the hinge edge of the door. Door labels shall not be painted.

2.6.1.2 Oversized Doors

a. For fire doors and frames which exceed the size for which testing and labeling are available, furnish certificates stating that the doors and frames are identical in design, materials, and construction to a door which has been tested and meets the requirements for the class indicated.

2.6.1.3 Astragal on Fire and Smoke Doors

a. On pairs of labeled fire doors, conform to NFPA 80 and UL requirements. On smoke control doors, conform to NFPA 105.

2.7 WEATHERSTRIPPING

2.7.1 As specified in Section 08 71 00 DOOR HARDWARE.

2.7.1.1 Integral Gasket

a. Black synthetic rubber gasket with tabs for factory fitting into factory slotted frames, or extruded neoprene foam gasket made to fit into a continuous groove formed in the frame, may be provided in lieu of head and jamb seals specified in Section 08 71 00 DOOR HARDWARE. Insert gasket in groove after frame is finish painted. Air leakage of weatherstripped doors shall not exceed 0.5 cubic feet per minute of air per square foot of door area when tested in accordance with ASTM E 283.

2.8 HARDWARE PREPARATION

2.8.1 Provide minimum hardware reinforcing gages as specified in SDI/DOOR A250.6. Drill and tap doors and frames to receive finish hardware. Prepare doors and frames for hardware in accordance with the applicable requirements of SDI/DOOR A250.8 and SDI/DOOR A250.6. For additional requirements refer to BHMA A115. Drill and tap for surface-applied hardware at the project site. Build additional reinforcing for surface-applied hardware into the door at the factory. Locate hardware in accordance with the requirements of SDI/DOOR A250.8, as applicable. Punch door frames, with the exception of frames that will have weatherstripping or gasketing, to receive a minimum of two rubber or vinyl door silencers on lock side of single doors and one silencer for each leaf at heads of double doors. Set lock strikes out to provide clearance for silencers.

2.9 FINISHES

2.9.1 Factory-Primed Finish

2.9.1.1 All surfaces of doors and frames shall be thoroughly cleaned, chemically treated and factory primed with a rust inhibiting coating as specified in SDI/DOOR A250.8.

2.9.2 Hot-Dip Zinc-Coated and Factory-Primed Finish

2.9.2.1 Fabricate exterior doors and frames from hot dipped zinc coated steel, alloyed type, that complies with ASTM A 924 and ASTM A 653. The coating weight shall meet or exceed the minimum requirements for coatings having 0.4 ounces per square foot, total both sides, i.e., (A40) ZF120. Repair damaged zinc-coated surfaces by the application of zinc dust paint. Thoroughly clean and chemically treat to insure maximum paint adhesion. Factory prime as specified in SDI/DOOR A250.8.

2.10 FABRICATION AND WORKMANSHIP

2.10.1 Finished doors and frames shall be strong and rigid, neat in appearance, and free from defects, waves, scratches, cuts, dents, ridges, holes, warp, and buckle. Molded members shall be clean cut, straight, and true, with joints coped or mitered, well formed, and in true alignment. Dress exposed welded and soldered joints smooth. Design door frame sections for use with the wall construction indicated. Corner joints shall be well formed and in true alignment. Conceal fastenings where practicable. On wraparound frames for masonry partitions, provide a throat opening 1/8 inch larger than the actual masonry thickness. Design other frames in exposed masonry walls or partitions to allow sufficient space between the inside back of trim and masonry to receive caulking compound.

2.10.1.1 Grouted Frames

a. For frames to be installed in exterior walls and to be filled with mortar or grout, fill the stops with strips of rigid insulation to keep the grout out of the stops and to facilitate installation of stop-applied head and jamb seals.

PART 3 EXECUTION

3.1 INSTALLATION

3.1.1 Frames

3.1.1.1 Set frames in accordance with SDI/DOOR A250.11. Plumb, align, and brace securely until permanent anchors are set. Anchor bottoms of frames with expansion bolts or powder-actuated fasteners. Build in or secure wall anchors to adjoining construction. Backfill frames in masonry walls with mortar. For frames in exterior walls, ensure that frames are filled with batt or foam insulation.

3.1.2 Doors

3.1.2.1 Hang doors in accordance with clearances specified in SDI/DOOR A250.8. After erection and glazing, clean and adjust hardware.

3.1.3 Fire and Smoke Doors and Frames

3.1.3.1 Install fire doors and frames, including hardware, in accordance with NFPA 80. Install fire rated smoke doors and frames in accordance with NFPA 80 and NFPA 105.

3.2 PROTECTION

3.2.1 Protect doors and frames from damage. Repair damaged doors and frames prior to completion and acceptance of the project or replace with new, as directed. Wire brush rusted frames until rust is removed. Clean thoroughly. Apply an all-over coat of rust-inhibitive paint of the same type used for shop coat.

3.3 CLEANING

3.3.1 Upon completion, clean exposed surfaces of doors and frames thoroughly. Remove mastic smears and other unsightly marks.

END OF SECTION 08 11 13

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QSEU 09-0402

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