Radiation Shielding Doors and Frames
SECTION 08 3449
RADIATION SHIELDING DOORS AND FRAMES
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This master specification section has been prepared by MegaMet Industries for use in the preparation of a project specification section covering radiation shielding doors and frames.
The following should be noted in using this specification:
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Sustainable requirements are included for projects requiring LEED certification, and are included as green text. For additional information on LEED, visit the U.S. Green Building Council website at www.usgbc.org.
For assistance on the use of the products in this section, contact MegaMet Industries by calling toll-free 888-322-7750, by email at , or visit our website at www.megametUSA.com.
PART 1 GENERAL
1.1 SUMMARY
Edit the following paragraphs to include only those items specified in this section.
A. Section Includes:
1. Radiation shielding steel [doors] [and] [door] [transom] [sidelight] [and] [borrowed light] frames.
Coordinate the following paragraphs with other sections in the project manual.
B. Related Sections:
1. Division 01 - Administrative, procedural, and temporary work requirements.
2. Section [08 7100 - Door Hardware.] [ - .]
3. Section [08 8000 - Glazing.] [ - .]
4. Section [09 9100 - Painting.] [ - .]
1.2 REFERENCES
In the following paragraphs, retain only those reference standards that are used elsewhere in this section.
A. ASTM International (ASTM) (www.astm.org):
1. A568/A568M - Standard Specification for Steel, Sheet, Carbon, Structural, and High-Strength, Low-Alloy, Hot-Rolled and Cold-Rolled.
2. A653/A653M - Standard Specification for Steel Sheet, Zinc-Coated (Galvanized) or Zinc-Iron Alloy-Coated (Galvannealed) by the Hot-Dip Process.
3. A924/A924M - Standard Specification for General Requirements for Sheet Steel, Metallic- Coated by the Hot-Dip Process.
B. American National Standards Institute/Steel Door Institute (ANSI/SDI) (www.steeldoor.org):
1. A250.10 - Test Procedure and Acceptance Criteria for Prime Painted Steel Surfaces for Steel Doors and Frames.
2. A250.11 - Recommended Erection Instructions for Steel Frames.
C. American National Standards Institute/Underwriters Laboratories (ANSI/UL) (www.ul.com):
1. 9 - Fire Tests of Window Assemblies.
2. 10B - Fire Tests of Door Assemblies.
3. 10C - Positive Pressure Fire Tests of Door Assemblies.
D. Federal Specifications (FS) QQ-L-201f - Lead Sheet.
E. National Association of Architectural Metal Manufacturers (NAAMM) (www.naamm.org):
1. HMMA 820 - Hollow Metal Frames.
2. HMMA 840 - Guide Specifications for Installation and Storage of Hollow Metal Doors and Frames.
3. HMMA 841 - Tolerances and Clearances for Commercial Hollow Metal Doors and Frames.
4. HMMA 861 - Guide Specifications for Commercial Hollow Metal Doors and Frames.
1.3 QUALITY ASSURANCE
A. Testing and Performance Requirements:
Include the following paragraph when applicable.
1. Where indicated, provide doors and frames tested or otherwise evaluated by Underwriters Laboratories, Inc. under UL9, UL 10B, or UL 10C for fire protection rating scheduled.
a. Materials covered by factory Follow-Up Services Program of Underwriters Laboratories, Inc.
b. If doors or frames specified to be fire-rated cannot qualify for labeling because of size, design, hardware or any other reason, advise Architect in submittal documents.
c. If hardware, glazing, or other options affecting fire ratings and are unknown at time of submittal documents, notify Architect prior to fabrication.
B. Manufacturer: Provide evidence of personnel and plant equipment capable of fabricating hollow metal products of types specified.
Edit the following to suit project requirements.
C. Installer: Minimum [2] [ ] years [documented] experience in installation of radiation shielding door and frame assemblies.
D. Fabricate products to tolerances required by HMMA 841.
1.4 SUBMITTALS
A. Submittals for Review:
1. Shop Drawings: Show profiles, product components, anchors, accessories, details of reinforcement [and grout guards] in one rabbet.
2. Samples:
a. Door: 12 x 12 inch corner section with hinge preparation showing top and internal construction.
Edit the following to suit project requirements.
b. Frame: 12 x 12 inch section showing assembled corner joint at head and jamb. Include hinge reinforcement [and grout guard] in one rabbet.
Include the following for submission of sustainable design submittals.
B. Sustainable Design Submittals:
1. Recycled Content.
2. Regional Materials.
C. Quality Control Submittals:
1. Submit installation instructions and installation tolerances if other than as specified in ANSI/SDI A250.11 or HMMA 840.
2. Submit jobsite storage and protection requirements if other than as specified in this Section or in ANSI/SDI A250.8, HMMA 861, HMMA 867, or HMMA 840-TN01.
1.5 DELIVERY, STORAGE, AND HANDLING
Correct site storage and protection are essential to proper performance of all hollow metal products, however these are not the responsibility of the hollow metal manufacturer.
A. Mark doors and frames and components for corresponding opening number or location.
B. Store and handle products in accordance with HMMA 861, or HMMA 840-TN01 in manufacturer's original, unopened, undamaged containers.
C. Remove wraps and covers upon delivery.
D. Promptly clean and touch up scratches and disfigurements with touch-up primer.
E. Cover materials against damage in manner permitting air circulation.
F. Protect materials from adverse temperature and humidity conditions.
G. Store doors and frames upright on wood planking, protected at corners.
H. Store accessories in secure area protected from adverse temperature and humidity conditions.
I. Do not store in non-vented plastic or canvas shelters.
PART 2 PRODUCTS
2.1 MANUFACTURERS
A. Contract Documents are based on M Series by MegaMet Industries, Inc., PO Box 635, 3228 6th Avenue North, Birmingham, Alabama 35201, www.megametusa.com, toll-free 888-322-7750, Fax 205-322-4600.
Edit the following to indicate whether or not substitutions will be permitted for the products in this section.
B. Substitutions: [Under provisions of Division 01.] [Not permitted.]
2.2 MATERIALS
A. Steel: Cold rolled, ASTM A568/A568M or ASTM A 1008/A1008M, or hot-rolled, ASTM A1011/A1011M.
Include the following paragraph if galvanized steel doors and frames are required.
B. Hot-Dip Galvanized Steel:
1. ASTM A653/A653M and ASTM A924/A924M.
Coating thickness of G60 or G90 is available but not recommended except for use in extreme exposure conditions due to potential paint adhesion issues.
2. Coating thickness: Class [A40] [A60].
Verify current recycled content with MegaMet Industries.
C. Recycled Content: Minimum [ 30 ] percent recycled steel by weight, with minimum [ 25 ] percent classified as post-consumer.
D. Lead Sheet: FS QQ-L-201f, Grade C, [99.9] [ ] percent pure.
2.3 ACCESSORIES
A. Primer Paint: Low-VOC rust-inhibitive primer meeting or exceeding performance requirements of ANSI/SDI A250.10.
B. Touch-Up Primer: Formulated for direct-to-metal (DTM) application.
2.4 FABRICATION - DOORS
Edit the following paragraph to suit project requirements.
A. Fabricate door faces from [18] [16] [14] [12] gage [galvanized] steel sheet.
B. Fabricate doors to nominal 1-3/4 inch thickness.
C. Fabricate doors from two sheets of steel without visible seams on faces or vertical edges.
D. Fabricate doors with edges continuously welded, filled, and finished smooth as described in HMMA 861.
E. Fabricate internal reinforcing members from hot or cold rolled steel.
F. Fabricate doors handed with either square or bevel edges at manufacturer's option.
G. Reinforce vertical edges with continuous single piece channels at hinge and lock edges. Form channel from one member.
Edit following paragraph to indicate required door internal construction.
H. Door Internal Construction: [Expanded polystyrene, 1.0 PCF nominal density.] [Impregnated honeycomb, maximum 1.25 inch cell size.] [Polyurethane slab, minimum 1.0 PCF nominal density.] [Vertical steel stiffeners, minimum 22 gage.]
Edit the following to suit project requirements.
I. Line doors with [ ] inch thick lead sheet furnished by [door manufacturer] [X-ray protection contractor].
J. Hardware Preparation: Mortise, reinforce, drill, and tap to receive templated mortise hardware; reinforce for specified surface hardware in accordance with HMMA 861 and HMMA 867.
2.5 FABRICATION - FRAMES
Edit the following paragraph to suit project requirements.
A. Model: [M] [CM] Series.
Edit the following to suit project requirements.
B. Fabricate frames from [16] [14] [12] gage [galvanized] steel sheet.
C. Fabricate frames with tightly mitered corners and butted stops. Tabs and slots may be used at headers and jambs for factory alignment of assembly.
D. Fabricate frame members of uniform profile throughout their lengths.
E. Close corner contact edges tight with faces mitered and stops either butted or mitered.
Edit the following to suit project requirements.
F. Frame Corners: [Knocked-down for field assembly.] [Welded continuously at faces.]
Edit the following to suit project requirements.
G. Line frames with [ ] inch thick lead sheet furnished by [frame manufacturer] [X-ray protection contractor]. Lead shall be installed [in the factory by frame manufacturer] [at the jobsite by X-ray protection contractor]. Where lead is field installed, provisions and clips for securing lead shall be factory-installed into frames.
H. Hardware Preparation: Mortise, reinforce, drill, and tap to receive templated mortise hardware; reinforce for specified surface hardware in accordance with HMMA 861.
Include one or more of the following paragraphs depending on frame and anchor types required.
I. Anchors:
1. Provide frames with one floor anchor per jamb.
2. Provide frames with minimum of three wall anchors up to opening height of 90 inches and one additional anchor for each 24 inches or portion thereof above 90 inches.
3. Frames in new masonry: Strap and stirrup, T-strap anchors, or wire anchors.
4. Frames in stud partitions: Steel anchors of suitable design securely fastened to jambs with corresponding locations on strike jamb.
5. Frames installed with anchor bolts: Frame soffits dimpled or countersunk for 3/8 inch diameter bolts.
6. All bolts and or Fasteners are by others.
2.6 PREPARATION FOR GLAZING:
A. Provide doors and frames scheduled to receive glazing with removable channel or angle shaped stops with butted corners to secure lead lined glazing.
B. Stops secured to frame sections with minimum No. 8 corrosion resistant sheet metal screws.
C. Dimple or countersink channel stops for minimal projection above surface.
2.7 COORDINATION OF DIMENSIONS
Edit the following to suit project requirements.
A. Fabricate doors and frames to dimensions [indicated on Drawings after plan layouts have been field confirmed.] [from field dimensioned plan layouts.]
2.8 MANUFACTURING TOLERANCES
Manufacturer of hollow metal product is responsible only for tolerances directly related to manufacturing. Final clearances and relationships between door and frame depend on setting of frame and hanging and adjustment of door and hardware.
A. Manufacturing Tolerances: Within limits established by HMMA 841 and HMMA 861.
2.9 HARDWARE LOCATIONS
When hollow metal frame products are specified for use with doors specified in other sections, hardware locations on doors shall be governed by location on frames.
A. Location of hardware on doors and frames: As established in HMMA 861.
2.10 FINISHES
A. After fabrication, fill tool marks and surface imperfections and sand to make face sheets, vertical edges, and weld joints free from irregularities.
B. Clean and treat exposed surfaces of doors and frames to ensure prime paint adhesion.
C. After metal preparation, apply primer to exposed surfaces. Allow primer to fully cure prior to shipment.
PART 3 EXECUTION
3.1 PREPARATION
Correct installation is essential to proper performance of doors and frames, however, installation is not the responsibility of the hollow metal manufacturer.
For additional information regarding installation see HMMA 840.
A. Prior to installation:
1. Check area of floor on which frames are to be installed, and within path of door swing, for flatness.
2. Remove temporary spreaders from welded frames.
3. Check frames for correct size, swing, fire rating and opening number.
3.2 INSTALLATION
A. Install frames plumb, straight, and true, rigidly secured in place and properly braced; comply with ANSI/SDI A250.11 and HMMA 820-TN01.
B. Install labeled fire doors and frames in accordance with the terms of their listings, ANSI/NFPA 80, and requirements of local authority having jurisdiction.
C. Grout fill frames in new masonry in accordance with ANSI/SDI A250.11 and HMMA 820 TN01. Do not grout frames in drywall partitions.
D. Secure bolted connections to adjacent construction using bolts suitable for substrate.
E. Install accessories, doors, and hardware in accordance with manufacturers' templates and instructions.
F. Maintain proper door edge clearances. Where necessary, install metal hinge shims to maintain clearances.
Edit the following two paragraphs to suit project requirements.
G. Install hardware in accordance with Section [08 7100] [ ] and hardware manufacturer’s templates and instructions.
H. Install glazing in accordance with Section [08 8000.] [ .]
3.3 PROTECTION
A. Protect installed products and finished surfaces from damage during construction.
B. Remove protective wrappings when construction is sufficiently completed so that doors and frames will not be scratched or damaged.
3.4 ADJUSTING
A. Adjust completed installations for proper operation.
END OF SECTION