SECTION 08 39 00 PRESSURE RESISTANT DOORS
1.1 SECTION INCLUDES
Pressure Resistant Exterior Doors and Frames rated up to 1.0 pounds per square
1.2 RELATED SECTIONS
03 30 00 Cast-in-place Concrete.
03 40 00 Precast Concrete.
03 60 00 Grouting.
04 00 00 Masonry (including 04 05 16 and 04 00 20).
08 71 00 Door Hardware.
09 00 00 Finishes.
09 20 00 Plaster and Gypsum Board.
08 10 00 Doors and Frames.
09 90 00 - Painting and Coating.
ASTM A 568/A 568M Standard Specification for Steel, Sheet, Carbon, Structural,
and High-Strength, Low-Alloy, Hot-Rolled and Cold-Rolled.
ASTM A 653/A 653M Standard Specification for Steel Sheet, Zinc-Coated
(Galvanized) or Zinc-Iron Alloy-Coated (Galvannealed) by the Hot-Dip Process.
ASTM A 924/A 924M Standard Specification for General Requirements for Sheet
Steel, Metallic-Coated by the Hot-Dip Process.
ASTM E 330 Standard Test Method for Structural Performance of Exterior Windows,
Doors, Skylights and Curtain Walls by Uniform Static Air Pressure Difference.
ASTM E 1886 Standard Test Method for Performance of Exterior Windows, Curtain
Walls, Doors, and Impact Protective Systems Impacted by Missile(s) and Exposed
to Cyclic Pressure Differentials.
ASTM E 1996 Standard Specification for Performance of Exterior Windows, Curtain
Walls, Doors, and Impact Protective Systems Impacted by Windborne Debris in
ANSI/SDI A250.10 Test Procedure and Acceptance Criteria for Prime Painted Steel
Surfaces for Steel Doors and Frames.
ANSI/SDI A250.11 Recommended Erection Instructions for Steel Frames.
HMMA 820-TN01 Grouting Hollow Metal Frames.
HMMA 840-TN01 Painting Hollow Metal Products.
HMMA 840 Installation and Storage of Hollow Metal Doors and Frames.
HMMA 841 Tolerances and Clearances for Commercial Hollow Metal Doors and
HMMA 861 Guide Specifications for Commercial Hollow Metal Doors and Frames.
1.4 ASSEMBLY DESIGN and PERFORMANCE REQUIREMENTS
Pressure Resistant Doors and Frames shall have been physically tested to meet or
exceed static pressure in accordance with ASTM E 330.
Pressure Resistant doors and frames shall incorporate recycled materials in at
least 30% by weight.
(Select one of the following two sentences and delete other):
Pressure Resistant Doors and Frames shall be manufactured to meet or exceed
static pressure of 1.0 psi (96 pounds per square foot-psf minimum design load).
Pressure Resistant Doors and Frames shall be manufactured to meet or exceed
static pressure of 120 psf (80 pounds per square foot-psf minimum design load).
Specifier: Add the following sentence if applicable:
Pressure Resistant Doors and Frames shall be manufactured to resist the impact
of a 9 pound 2 X 4 missile traveling horizontally at 100 feet per second (impact
Unless mutually agreed due to small quantity, submit shop drawings showing
profiles, product components, anchors, and accessories. Details deemed to be
proprietary by the manufacturer may be identified as such.
Submit installation instructions and installation tolerances if other than as
specified in ANSI/SDI A250.11 or HMMA 840.
Submit jobsite storage and protection requirements if other than as specified
herein or in HMMA 861 or HMMA 840-TN01.
Provide link to third-party certification entity where drawings showing design,
installation, and design pressure compliance may be accessed.
1.6 QUALITY ASSURANCE
Installer shall have documented experience in installation of pressure resistant
Fabricate products to tolerances in compliance with HMMA 841.
1.7 DELIVERY, STORAGE, AND HANDLING
Store and handle products in accordance with HMMA 861, or HMMA 840-TN01 in
manufacturer's original, unopened, undamaged containers.
Protect materials from adverse temperature and humidity conditions.
Store doors and frames upright on wood planking, protected at corners to prevent
Store accessories such as hinges, gaskets, and thresholds in a secure area
protected from adverse temperature and humidity conditions.
Do not store in non-vented plastic or canvas shelters.
Coordinate work with other directly affected trades, wall construction, and
Coordinate hardware locations with Sections 08 11 13 and 08 12 13.
Coordinate placing of material orders and fabrication schedules with
Submit written copy of manufacturer's standard warranty documents.
PART 2 PRODUCTS
Doors and frames shall be manufactured by:
MEGAMET INDUSTRIES, INC.
(3228 6th. Avenue North) BIRMINGHAM, AL 35201
PHONE: (205) 322-7700 TOLL FREE: (888) 322-7750
FAX: (205) 322-4600
Substitutions: Not permitted.
2.2 PRESSURE RESISTANT DOORS
Provide 1 3/4" nominal thickness pressure resistant as listed in the door
schedule and indicated on the Drawings in accordance with this specification.
Opening sizes, configurations and types shall be as indicated on the Drawings
and/or door schedule.
Fabricate door faces of no less than (select) (16), (14), (12), (10) gage material.
Cold and hot rolled steel for door faces and reinforcing shall comply with ASTM
A 568, ASTM A 1008 and/or ASTM A 1011.
Hot-dip galvanized steel, where indicated on the door schedule, shall comply
with ASTM A 653 and ASTM A 924. Coating thickness shall be
(select) (Class A40) (Class A60).
Fabricate faces and edges as seamless doors from two sheets of steel with no
visible seams on either face or vertical edges; continuously weld door edges,
fill and finish smooth.
All doors shall be handed with either square or bevel edges (at manufacturer's
Vertical edges shall be reinforced with continuous channels at hinge and lock
edges. Channel shall be formed from one member; spliced channels are not
Door internal construction shall be proprietary design to meet the requirements
of the static pressure specified.
Hardware Preparation: Mortise, reinforce, drill, and tap to receive templated
mortise hardware; reinforce for specified surface hardware in accordance with
2.3 PRESSURE RESISTANT FRAMES
Provide frames for pressure resistant doors listed in the door schedule and
indicated on the Drawings in accordance with this specification. Opening sizes,
profiles, anchors, and types shall be as indicated on the Drawings. Profiles may
differ based on configurations required to achieve static pressure rating.
Fabricate frames of no less than (select)
(16), (14), (12), (10) gage material.
Cold and hot rolled steel for frames and reinforcing shall comply with ASTM A
568, ASTM A 1008 and/or ASTM A 1011.
Hot-dip galvanized steel for frames shall comply with ASTM A 653 and ASTM A 924.
Coating thickness shall be (select)
(Class A40) (Class A60).
Reinforcing shall be cold rolled or hot rolled steel complying with ASTM A 568,
ASTM A 1008 and/or ASTM A 1011.
Fabricate frames with tightly fitting mitered corners and butted stops. Tabs and
slots at headers and jambs may be incorporated for factory alignment of
Weld frames at corners in accordance with HMMA 861 with temporary shipping
spreader welded to jambs at bottom. Continuously weld faces internally or
externally, fill, and finish smooth.
Mortise, reinforce, drill, and tap to receive templated mortise hardware and
reinforce for specified surface hardware in accordance with HMMA 861.
Hinge and strike reinforcements shall be as required to maintain static
Provide frames with one welded-in floor anchor per jamb.
Frames installed in new masonry shall have adjustable strap and stirrup anchors
or T-strap anchors located as required to maintain static pressure.
Frames installed with anchor bolts shall have frame soffits prepared for 3/8
inch bolts located as required to maintain static pressure. Anchors may be
welded-in or snap-in at manufacturer's option and as required to maintain static
Anchor bolts are provided by the installer as rough hardware to suit the
2.3 OPERATING CLEARANCES
Doors shall be undersized from frame opening sizes at head, jamb, and threshold
in accordance with HMMA-841.
2.4 HARDWARE LOCATIONS
Unless otherwise specified, hinges and locks shall be located in accordance with
2.5 PRIMER FINISH
Clean and treat exposed surfaces of doors and frames to ensure prime paint
adhesion; apply one shop coat of "low VOC" gray rust-inhibitive primer meeting
acceptance criteria of ANSI A250.10.
PART 3 EXECUTION
Before beginning installation, verify that existing or planned substrate
conditions are acceptable for maintaining static load specified. Consult
manufacturer's drawings of third-party certification entity showing installation
Select fasteners of adequate type, number, and quality to perform intended
Install frames plumb, straight, and true, rigidly secured in place and properly
braced; comply with ANSI/SDI A250.11, and HMMA-841.
Grout fill frames in new masonry in accordance with ANSI/SDI A250.11, and HMMA
Secure any bolted connections to adjacent construction using bolts suitable for
Install accessories, doors, and hardware in accordance with manufacturers'
templates and instructions.
Touch-up exposed surfaces, scratches or bare edges with a rust inhibitive Direct
to Metal primer.
Prepare surfaces for field painting as recommended by door and frame
manufacturer and as specified in Section 09 90 00.
Protect installed products and finished surfaces from damage during
3.4 FINAL ADJUSTMENTS
After construction work has been completed in the area, clean and adjust hinges, locks, and closers
to assure proper operation prior to turn-over to Owner.
END OF SECTION