SECTION 08 11 00

PREFINISHED STEEL DOOR FRAMES

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PART 1    GENERAL
1.1	SECTION INCLUDES
A.	Prefinished steel frames for interior doors, including sidelites, borrowed lites and transom assemblies.
B.	Prefinished steel frames for exterior doors, including sidelites, borrowed lites and transom assemblies.
1.2	RELATED SECTIONS
A.	Section 06 10 00 - Rough Carpentry.
B.	Section 06 20 00 - Finish Carpentry.
C.	Section 08 11 00 - Metal Doors and Frames.
D.	Section 08 71 00 - Door Hardware.
E.	Section 08 83 13 - Mirrored Glass Glazing.
F.	Section 09 90 00 - Painting and Coating.
1.3	REFERENCES
A.	ASTM International (ASTM):
1.	ASTM A1008/A1008M Standard Specification for Commercial Steel (CS) Sheet, Carbon (0.15 Maximum Percent) Cold-Rolled.
2.	ASTM A653 - Standard Specification for Steel Sheet, Zinc-Coated (Galvanized) or Zinc-Iron Alloy-Coated (Galvannealed) by the Hot-Dip Process.
3.	ASTM B117 - Standard Practice for Operating Salt Spray (Fog) Apparatus.
4.	ASTM D1735 - Standard Practice for Testing Water Resistance of Coatings Using Water Fog Apparatus.
5.	ASTM D3363 - Standard Test Method for Film Hardness by Pencil Test.
B.	American National Standards Institute (ANSI):
1.	ANSI/BHMA A156.115 Specifications for Steel Door and Frame Preparation for Hardware.
C.	National Fire Protection Association (NFPA):
1.	NFPA 80 - Fire Doors and Windows.
D.	Underwriters Laboratories, Inc. (UL):
1.	UL 10B - Fire Tests of Door Assemblies.
2.	UL 10C - Positive Pressure Fire Tests of Door Assemblies.
1.4	SUBMITTALS
A.	Submit under provisions of Section 01 30 00 - Administrative Requirements.
B.	Product Data: Submit product data, including manufacturer's product sheet, for specified products. Include details of design and construction and printed instructions covering installation.
C.	Shop Drawings: Submit shop drawings showing layout, profiles and product components, including anchorage, accessories, finish colors and textures. Indicate installation requirements of finish hardware and reinforcements.
D.	Selection Samples: Submit the following for selection of finishes, colors and textures.
1.	Sample of door frame corner construction, complete with snap-on casings.
2.	Samples of factory stocked colors of prefinished components.
3.	Samples of custom colors for color matching.
E.	Verification Samples: Submit the following for selection of finishes, colors and textures.
1.	Sample of door frame corner construction, complete with snap-on casings.
2.	Samples of factory stocked colors of prefinished components.
3.	Samples of custom colors for color matching.
F.	Quality Assurance Submittals: Submit the following:
1.	Test Reports: Certified test reports showing compliance with specified performance characteristics and physical properties.
2.	Certificates: Manufacturer's certification that installer is acceptable.
3.	Warranty: Submit the warranty documents specified.
1.5	QUALITY ASSURANCE
A.	Manufacturer Qualifications: Minimum 5 year experience manufacturing similar products.
B.	Installer Qualifications: Installer experienced in performing work of this section who has specialized in the installation of work similar to that required for this project.
1.	Personnel: Assembly and installation shall be performed by qualified personnel who have successfully completed manufacturer's prefinished steel door frame installation course online and have been approved by the manufacturer.
C.	Regulatory Requirements: Fire-rated steel frames shall be of types tested and approved by Intertek Testing Services, Warnock Hersey and shall bear labels of same.
1.	Three-sided frames shall receive a permanent embossed 90 minute label. Sidelite and borrowed lite frames shall receive a Mylar Warnock Hersey label when required by Authority having Jurisdiction (AHJ).
2.	1-1/2 hour fire rating assembly in accordance with UL 10C.
3.	Assembly passes positive pressure test in accordance with UL 10C.
D.	Mock-Up: Provide a mock-up for evaluation of surface preparation techniques and application workmanship.
1.	Finish areas designated by Architect.
2.	Do not proceed with remaining work until workmanship is approved by Architect.
3.	Refinish mock-up area as required to produce acceptable work.
E.	Source: Obtain steel door frame products from a single manufacturer.
1.6	PRE-INSTALLATION MEETINGS
A.	Convene minimum two weeks prior to starting work of this section.
1.7	DELIVERY, STORAGE, AND HANDLING
A.	Delivery: Deliver materials in manufacturer's original, unopened, undamaged containers with identification labels intact.
1.	Factory package components in protective cartons to prevent damage during shipping.
B.	Storage and Protection: Store materials protected from exposure to harmful weather and at temperature conditions recommended by manufacturer.
1.	Store material on wooden skids under cover in a protected area and keep vented to avoid condensation until ready for installation.
C.	Handling: Handle materials to avoid damage.
1.8	PROJECT CONDITIONS
A.	Maintain environmental conditions (temperature, humidity, and ventilation) within limits recommended by manufacturer for optimum results. Do not install products under environmental conditions outside manufacturer's recommended limits.
1.9	SEQUENCING
A.	Field Measurements: Verify actual measurements/openings by field measurements before fabrication. Show recorded measurements on shop drawings. Coordinate field measurements and fabrication schedule with construction progress schedule to avoid construction delays.
B.	Ensure that products of this section are supplied to affected trades in time to prevent interruption of construction progress.
1.10	WARRANTY
A.	Manufacturer's Warranty: Submit manufacturer's standard warranty document executed by authorized company official. Manufacturer's warranty is in addition to, and not a limitation of, other rights Owner may have under the Contract Documents.
1.	Warranty Period: 1 year.
PART 2    PRODUCTS
2.1	MANUFACTURERS
A.	Acceptable Manufacturer: Dunbarton Corporation, which is located at:<BR />1101 Technology Dr.<BR />Dothan, AL 36303<BR />Toll Free Tel: 800-633-7553<BR />Tel: 334-794-0661<BR />Fax: 334-793-7022<BR />Email: request info (davidgz@dunbarton.com);Web: https://dunbarton.com 
B.	Substitutions: Not permitted.
C.	Requests for substitutions will be considered in accordance with provisions of Section 01 60 00 - Product Requirements.
2.2	PERFORMANCE REQUIREMENTS
A.	1-1/2 Hour fire rating in accordance with UL 10B.
B.	B. Passes positive pressure test in accordance with UL 10C.
2.3	MANUFACTURED UNITS
A.	General: Frames shall be prefinished type designed for installation at rough wall openings over prefinished walls. Frames shall be designed for installation by sleeving the frame over the finish wall and placing screws through the face of the frame; then the casing is snapped in place to conceal the fasteners.
1.	Frames shall be Rediframe Fixed Throat RF Series Steel Door Frame as manufactured by Dunbarton Corporation.
2.	Frames shall be Rediframe Adjustable Throat RFX Series Steel Door Frame as manufactured by Dunbarton Corporation.
3.	Frames shall be Rediframe Series Hollow Metal Masonry Frame:
a.	18 or 16-Gauge, A-40 galvanized.
b.	Kerf and Non-Kerf.
c.	Knock-down design.
d.	8-gauge corner reinforcements for proper miter alignment.
e.	Welded-in expansion bolt anchors for masonry walls.
f.	5-3/4 inches, 7-3/4 inches, and 8-3/4 inches (146 mm, 197 mm, 222 mm) jamb depths.
g.	Hinge Preps: 4 inches x 1/4 inch (102 mm x 6 mm) radius, 4 inches x 5/8 inch (102 mm x 16 mm) radius, 4-1/2 inches (114 mm) square corner. Refer to hardware Schedule.
h.	Strike Preparation: T-Strike, ASA, and deadbolt. . Refer to hardware Schedule.
i.	Built-in strike mortar boxes
j.	Built-in mortar guard.
k.	Florida Building Code Approved (Non-Impact).
4.	Frames shall be Rediframe DW Hollow Metal Drywall Frame:4
a.	18 or 16-Gauge, A-40 galvanized.
b.	Knock-down design.
c.	Welded-in compression anchors.
d.	Non-Kerf Frame: 5-1/2 inches to 10 inches (140 mm to 254 mm).
e.	Kerf Frame: 5-1/2 inches to 9-1/2 inches (140 mm to 241 mm).
f.	Hinge Preps: 4 inches x 1/4 inch (102 mm x 6 mm) radius, 4 inches x 5/8 inch (102 mm x 16 mm) radius, 4-1/2 inches (114 mm) square corner. Refer to hardware Schedule.
g.	Strike Preparation: T-Strike, ASA, and deadbolt.
h.	Built-in strike dust boxes (standard).
5.	Frames shall be rated as level A for physical endurance (1,000,000 cycles).
6.	Application: Refer to Door and Frame Types in the drawings.
7.	Profile: Double rabbet jamb profile.
8.	Profile: Single rabbet jamb profile.
9.	Profile: Cased jamb profile.
10.	Throat Depth: Refer to Door Schedule and Door Elevations in the Drawings.
11.	Provide steel frames to receive metal casings to conceal fasteners.
a.	Provide Standard Steel Casing 1-1/2 inches (38 mm) wide.
1)	Provide Corner Rosette.
b.	Provide Aluminum Casing 1-1/2 inches (38 mm) wide.
c.	Provide S56 Steel Colonial Casing 2-1/4 inches (57 mm) wide.
1)	Provide Corner Rosette.
12.	Provide steel frames to receive decorative wood moldings to conceal fasteners.
13.	Provide accessories and fasteners necessary for field assembly and installation in accordance with frame manufacturer's standards.
14.	Prepare for and provide reinforcements in accordance with manufacturer's standards as required to receive finished hardware.
B.	Door Frames:
1.	Construct jamb member to interlock and align with header members to form a strong joint.
2.	Provide die cut mitered metal casings held tight together and in alignment with concealed corner backing pieces. Casings shall conceal all frame fasteners. Provide concealed clips to receive snap-on casings.
C.	Sidelite and Borrowed Lite Frames:
1.	Construct same as specified for door frames. Where required, provide concealed field applied mullion clips for securing mullions to head/jamb members.
2.	Form fixed glazing stops integral with frame members. Provide removable metal stops with pre-punched screw holes complete with installation screws.
D.	Hardware Preparations:
1.	In accordance with an approved Hardware Schedule, ANSI/BHMA A156.115 and manufacturer's recommendations:
a.	Mortise frames for hinges and strikes.
b.	Drill and tap or reinforce frames for mortised or surface mounted hardware.
2.	Frames for 1-3/4 inches (44 mm) door frames are embossed for standard template butt hinges from 4 inchesx 4 inches (102 x 102 mm) to 4 inches x 5 inches (102 x 127 mm).
3.	1 3/4 inches (44 mm) frames are embossed for adjustable 4-7/8 inches (124 mm) ASA universal strike (patented) or for 2-3/4 inches (70 mm) adjustable T strike.
4.	Frames for 1-3/8 inches (35 mm) doors are embossed for 3-1/2 inches x 1/4 inches (89 x 6.4 mm) or 3-1/2 inches x 5/8 inches (89 x 15.9 mm) radius standard weight template hinges and 2-3/4 inches (70 mm) cylindrical lock strike 
2.4	FINISHES
A.	Frames, Sidelite and Borrowed Lites Finish:
1.	Prime painted.
2.	Standard Color: Rediframe Brown.
3.	Standard Color: Bright White.
4.	Standard Color: Ivory.
5.	Standard Color: Prime Grey.
6.	Standard Color: White Prime.
7.	Premium Color: Mojave Brown.
8.	Premium Color: Light Grey.
9.	Premium Color: Tan.
10.	Premium Color: Black.
11.	Premium Color: Alusteel.
12.	Custom Color: _______.
2.5	MATERIALS
A.	Header and Jamb Members: Form interior door frames of ASTM A1008/A1008M commercial quality cold rolled steel. Form exterior door frames of galvanized steel (A40) per ASTM A653. Provide frames in the following gauges:
1.	Fire Rated Frames for 1 3/4 Inch (44 mm) Doors: 18 gage. Refer to Door Schedule.
2.	Fire Rated Frames for 1 3/4 Inch (44 mm) Doors: 20 gage. Refer to Door Schedule.
3.	1-3/8 Inches (35 mm) Door Frames: 18 gauge.
4.	1-3/8 Inches (35 mm) Door Frames: 20 gauge.
5.	1-3/4 Inches (44 mm) Door Frames: 18 gauge.
6.	1-3/4 Inches (44 mm) Door Frames: 16 gauge.
7.	1-3/4 Inches (44 mm) Door Sidelite Frames: 18 gauge.
8.	1-3/4 Inches (44 mm) Door Sidelite Frames: 16 gauge.
9.	Borrowed Lite Frames: 18 gauge.
10.	Borrowed Lite Frames: 16 gage.
B.	Casings:
1.	Steel: 22 gage cold rolled steel to ASTM A1008/A1008M.
2.	Aluminum: 0.050 inch (1.3 mm) aluminum extrusion 6063-T5 alloy.
3.	S56 Steel Colonial: 24 gage galvanized (A40) steel to ASTM A653.
C.	Hinge Reinforcements: 14 gage hot dipped galvanized (G60) steel to ASTM A653 (10 gage equivalent number of threads, SDI-107).
D.	Strikes and Deadbolt Covers and Dust Box: 18 gage commercial quality cold rolled steel to ASTM A1008/A1008M.
E.	Door Closer Reinforcement: Steel or aluminum in accordance with manufacturer's standard.
1.	Standard Arm Mounting: Aluminum extrusion 6063-T5 alloy in accordance with manufacturer's standard.
a.	Door Guard: Aluminum extrusion 6063-T5 alloy in accordance with manufacturer's standard.
2.	Parallel Arm Mounting: 16 gage galvanized (A40) steel per ASTM A653.
F.	Casing Corner Alignment Clips: Pre-painted 22 gage ASTM A1008/A1008Mcommercial quality cold rolled steel.
G.	Felt Silencers, Weatherstripping and Smoke Gasketing (Standard Profile): In accordance with manufacturer's standard.
1.	Interior Frames: Install felt silencers on the header and strike jamb. Single door opening, 3 per strike jamb. Pair door opening, 2 per header.
2.	Exterior and Fire-Rated Frames: Weatherstripping and smoke gasket material to seal opening. Material shall compress to 1/16 inch (2 mm). Ultra WS176, Pemko S88 and Pemko S44 shall be minimum acceptable standard.
H.	Weatherstripping and Smoke Gasketing (Kerf Profile):
1.	Interior Frames: Kerf weatherstrip to seal opening. Schlegel QDS500 is acceptable.
2.	Exterior Frames: Kerf weatherstrip to seal opening. Schlegel QDS500 is acceptable.
I.	Removable Glazing Bead for Sidelite and Borrowed Lite Frames:
1.	18 gage galvanized (A60) steel to ASTM A653, 3/4 inch x 5/8 inch (19.1 x 15.9 mm).
2.	Pre-punched for No. 6 x 1-1/4 inches (32 mm) bugle-head self-tapping screws.
J.	Fasteners: In accordance with manufacturer's standards, to comply with labeling agency for fire-rated frames.
1.	Fastener shall be a minimum of 1/2 inch (12.7 mm) longer than combined thickness of drywall.
a.	Fastener: 1-1/4 inches (32 mm) minimum Type "S" bugle-head self-tapping screws.
b.	Fastener: 1-1/4 inches (32 mm) minimum drywall screws (coarse thread).
K.	Paint: Frame manufacturer's standard baked-on synthetic enamel, applied over a cleaned and phosphate coated surface.
1.	Application shall be by electrostatic method.
2.	Finish paint dry film thickness on doors panels shall be approximately 1 mil (0.03 mm) for finished paint.
3.	Factory finish paint shall pass 200 hour salt spray test in accordance with ASTM B117 and 700 hour humidity test in accordance with ASTM D1735 with no blistering.
4.	Paint hardness shall meet calibrated pencil lead test to ASTM D3363.
5.	Prime painted frames shall be field painted within 30 days of installation with a good quality oil based enamel as recommended, or a high quality water base latex. A flash rust inhibitor shall be used with water base latex method.
PART 3    EXECUTION
3.1	MANUFACTURER'S INSTRUCTIONS
A.	Compliance: Comply with manufacturer's product data, including product technical bulletins, product catalog installation instructions and product carton instructions for installation.
3.2	EXAMINATION 
A.	Site Verification of Conditions: Verify that conditions of substrates previously installed under other sections are acceptable for product installation in accordance with manufacturer's instructions.
B.	Do not begin installation until substrates have been properly prepared.
C.	If substrate preparation is the responsibility of another installer, notify Architect of unsatisfactory preparation before proceeding.
3.3	INSTALLATION
A.	Prefinished Steel Door Frames:
1.	Install frames plumb and square, in accordance with shop drawings and manufacturer's instructions. Verify opening and dimensions with shop drawings. Use door as a template to ensure proper alignment and clearances.
2.	Attach hinges and hang door in frame. Adjust frame to door for equal and uniform clearance between top and sides of door and frame.
3.	Secure frame to wall with the appropriate type fasteners.
4.	Install casing on frame.
5.	Install silencers on interior door frames.
6.	Install weatherstripping on exterior door frames.
7.	Adjust strike plate to hold door tight to stops when closed.
8.	Install smoke gaskets as required.
9.	Install fire-rated door frames in accordance with NFPA 80.
3.4	CLEANING
A.	Cleaning: Remove temporary coverings and protection of adjacent work areas. Repair or replace damaged installed products. Clean installed products in accordance with manufacturer's instructions prior to Owner's acceptance. Remove construction debris from project site and legally dispose of debris.
3.5	PROTECTION
A.	Protection: Protect installed product and finish surfaces from damage during construction.
1.	Repair or replace damaged or defective frames.
2.	Touch up damaged areas of factory-applied finishes with aerosol spray cans of same paint as used in factory.

END OF SECTION