USACE / NAVFAC / AFCESA / NASA UFGS-08 13 73 (January 2008)
--------------------------------
Preparing Activity: USACE Superseding
UFGS-08 13 73 (April 2006)
UFGS-08 13 73.00 40 (April 2007)
UNIFIED FACILITIES GUIDE SPECIFICATIONS
References are in agreement with UMRL dated January 2009
SECTION 08 13 73
SLIDING METAL DOORS
01/08
NOTE: This guide specification covers the requirements for horizontal sliding
steel doors used primarily for fire rated application and electrically operated
horizontal and biparting sliding doors.
Edit this guide specification for project specific requirements by adding, deleting,
or revising text. For bracketed items, choose applicable items(s) or insert
appropriate information.
Remove information and requirements not required in respective project, whether
or not brackets are present.
Comments and suggestions on this guide specification are welcome and should
be directed to the technical proponent of the specification. A listing of technical
proponents, including their organization designation and telephone number, is
on the Internet.
Recommended changes to a UFGS should be submitted as a Criteria Change Request
(CCR).
PART 1 GENERAL
NOTE: This guide specification is intended to cover horizontal sliding steel
doors used primarily for fire rated applications. Use a center parting door
at locations where an overhead monorail passes through the opening or where
there is limited side roomdue to the lack of unobstructed wall space adjacent
to the opening.
The following information should be indicated on the project drawings:
a. Size of door openings.
b. Fire rating classification for each door.
c. Type of door operation.
d. Type of power operators and service characteristics, and emergency/safety
controls .
e. Location and type of power operator controls.
f. Type of closing system required.
1.1 REFERENCES
NOTE: This paragraph is used to list the publications cited in the text of
the guide specification. The publications are referred to in the text by basic
designation only and listed in this paragraph by organization, designation,
date, and title.
Use the Reference Wizard's Check Reference feature when you add a RID outside
of the Section's Reference Article to automatically place the reference in the
Reference Article. Also use the Reference Wizard's Check Reference feature
to update the issue dates.
References not used in the text will automatically be deleted from this section
of the project specification when you choose to reconcile references in the
publish print process.
The publications listed below form a part of this specification to the extent referenced. The publications are
referred to within the text by the basic designation only.
[ASTM INTERNATIONAL (ASTM)ASTM A 307(2007b) Standard Specification for Carbon Steel Bolts and Studs, 60 000 PSI Tensile StrengthASTM A 325(2007a) Standard Specification for Structural Bolts, Steel, Heat Treated, 120/105 ksi Minimum Tensile StrengthASTM A 325M(2008) Standard Specification for Structural Bolts, Steel, Heat Treated, 830 Mpa Minimum Tensile Strength (Metric)ASTM A 36/A 36M(2008) Standard Specification for Carbon Structural SteelASTM A 653/A 653M(2008) Standard Specification for Steel Sheet, Zinc-Coated (Galvanized) or Zinc-Iron Alloy-Coated (Galvannealed) by the Hot-Dip ProcessASTM A 924/A 924M(2008a) Standard Specification for General Requirements for Steel Sheet, Metallic-Coated by the Hot-Dip ProcessASTM B 136(1984e1; R 2008) Standard Method for Measurement of Stain Resistance of Anodic Coatings on AluminumASTM B 137(1995; R 2004) Standard Test Method for Measurement of Coating Mass Per Unit Area on Anodically Coated AluminumASTM B 209(2007) Standard Specification for Aluminum and Aluminum-Alloy Sheet and PlateASTM B 209M(2007) Standard Specification for Aluminum and Aluminum-Alloy Sheet and Plate (Metric)ASTM E 330(2002) Structural Performance of Exterior Windows, Doors, Skylights and Curtain Walls by Uniform Static Air Pressure DifferenceASTM F 568M(2007) Standard Specification for Carbon and Alloy Steel Externally Threaded Metric Fasteners][NATIONAL ELECTRICAL MANUFACTURERS ASSOCIATION (NEMA)NEMA ICS 2(2000; Errata 2002; R 2005; Errata 2006) Standard for Industrial Control and Systems: Controllers, Contractors, and Overload Relays Rated Not More than 2000 Volts AC or 750 Volts DC: Part 8 - Disconnect Devices for Use in Industrial Control EquipmentNEMA ICS 6(1993; R 2006) Standard for Industrial Controls and Systems EnclosuresNEMA MG 1(2007; Errata 2008) Standard for Motors and Generators][NATIONAL FIRE PROTECTION ASSOCIATION (NFPA)NFPA 70(2007; AMD 1 2008) National Electrical Code - 2008 EditionNFPA 80(2006; Errata 2008) Standard for Fire Doors and Other Opening Protectives][U.S. DEPARTMENT OF DEFENSE (DOD)MIL-A-8625(Rev F; Am 1) Anodic Coatings, for Aluminum and Aluminum Alloys][UNDERWRITERS LABORATORIES (UL)UL 10A(1998; Rev thru Mar 2003) Tin-Clad Fire DoorsUL 14B(2008) Sliding Hardware for Standard, Horizontally Mounted Tin-Clad Fire DoorsUL 506(2000; Rev thru May 2006) Standard for Specialty Transformers]1.2 SUBMITTALS
NOTE: Review submittal description (SD) definitions in Section 01 33 00 SUBMITTAL
PROCEDURES and edit the following list to reflect only the submittals required
for the project. Submittals should be kept to the minimum required for adequate
quality control.
A “G” following a submittal item indicates that the submittal requires Government
approval. Some submittals are already marked with a “G”. Only delete an existing
“G” if the submittal item is not complex and can be reviewed through the Contractor’s
Quality Control system. Only add a “G” if the submittal is sufficiently important
or complex in context of the project.
For submittals requiring Government approval on Army projects, a code of up
to three characters within the submittal tags may be used following the "G"
designation to indicate the approving authority. Codes for Army projects using
the Resident Management System (RMS) are: "AE" for Architect-Engineer; "DO"
for District Office (Engineering Division or other organization in the District
Office); "AO" for Area Office; "RO" for Resident Office; and "PO" for Project
Office. Codes following the "G" typically are not used for Navy, Air Force,
and NASA projects.
Choose the first bracketed item for Navy, Air Force and NASA projects, or choose
the second bracketed item for Army projects.
Government approval is required for submittals with a "G" designation; submittals not having a "G" designation
are for [Contractor Quality Control approval.][information only. When used, a designation following the "G"
designation identifies the office that will review the submittal for the Government.] Submit the following in
accordance with Section 01 33 00 SUBMITTAL PROCEDURES:
SD-02 Shop Drawings
Sliding Metal Doors
SD-07 Certificates
Fire Doors
Fabrication Drawings
Installation Drawings
Design Analysis and Calculations
Sliding Door Assemblies
Hardware and Accessories
Doors
Flush Doors
Rails
Paint
Certificates of inspection from an independent testing laboratory, for oversize fire doors,
stating that the doors and hardware are identical in design, materials, and construction to
a door that has been tested and meets the requirements for the class indicated.
1.3 GENERAL REQUIREMENTS
NOTE: If Section 26 00 00.00 20 BASIC ELECTRICAL MATERIALS AND METHODS is not
included in the project specifications, insert applicable requirements and delete
the following paragraph.
Section 26 00 00.00 20 BASIC ELECTRICAL MATERIALS AND METHODS applies to work specified in this section.
Conform to the requirements of Underwriters Laboratories, Inc., for motors.
Conform to the requirements of Underwriters Laboratories, Inc., for wiring.
Conform to the requirements of Underwriters Laboratories, Inc., for controls.
1.4 DESIGN REQUIREMENTS
NOTE: For exterior doors, use wind load values selected from the tables below;
the first table is metricated, the second table shows I-P units. The applicable
basic wind speed and importance factor will be selected in accordance with ASCE/SEI
7-05, Minimum Design Loads For Buildings and Other Structures. Design wind
loads may be reduced by 10 percent when the roof slope is equal to or less than
10 degrees. Delete this paragraph if exterior doors are not specified.
Design Wind Load (+/- Pa)
_____________________________
Basic Wind Importance Factor
Speed (m/s) 0.95 1.00 1.05 1.07 1.11
31 720 765 860 910 960
36 910 1005 1100 1150 1245
40 1150 1295 1435 1485 1580
45 1435 1580 1770 1820 1965
49 1725 1915 2105 2200 2395
54 2060 2300 2540 2635 2825
(Design Wind Load (+/- psf)
_____________________________
Basic Wind Importance Factor
Speed (mph) 0.95 1.00 1.05 1.07 1.11
70 15 16 18 19 20
80 19 21 23 24 26
90 24 27 30 31 33
100 30 33 37 38 41
110 36 40 44 46 50
120 43 48 53 55 59
Fire doors must conform to NFPA 80 and the requirements specified herein. Fire doors must bear the Underwriters
Laboratories, Warnock Hersey, Factory Mutual, or other nationally recognized testing laboratory label for the
required fire rating class and temperature rise classification if applicable. Provide each door with a permanent
label showing the manufacturer's name and address and the model number of the door. Doors in excess of the labeled
size must be deemed oversize and provided with a certificate signed by an official of the company, certifying
that the door and operator have been designed to meet the specified requirements. Provide each door complete
with operating devices, hardware, and accessories. Minimum design wind load is [_____] Pa psf. Construct doors
to sustain a superimposed load, both inward and outward, equal to 1-1/2 times the minimum design wind load and
not to deflect more than 1/120 of the door width and height. When tested in accordance with the static air pressure
test procedure of ASTM E 330, the door must support the superimposed loads for a minimum period of 10 seconds
without evidence of serious damage and be operable after conclusion of the tests. As an option, conduct the
tests using an equivalent uniform static load. The uniform static load test specimen must be supported using
rollers and track as required for project installation. Recovery must be at least three-fourths of the maximum
deflection within 24 hours after the test load is removed.
1.5 DRAWINGS
Submit Fabrication Drawings with framing member details, welding details, and finish and painting details for
sliding door assemblies. Drawings must include elevations of each door type, details of anchorage, details of
construction, location and installation of hardware, shape and thickness of materials, details of joints and
connections, and details of tracks, rollers, power operators, controls, and fittings. Include a schedule showing
the location of each door with the drawings. Include the manufacturer's catalog data.
Provide Installation Drawings with type and location of hardware, framing details, and rough opening dimensions
and details for horizontal door and biparting door systems.
1.6 PERFORMANCE REQUIREMENTS
Design Analysis and Calculations must meet design specifications as required by referenced standards within this
section.
Equipment and Performance data for Sliding Door Assemblies, Hardware, and Accessories must meet design specifications
as required by referenced standards within this section.
1.6.1 Door Performance
Provide [an electrically operated door with manual override mechanism][a manually operated door], industrial
type constructed of ASTM A 36/A 36M [structural steel sections] [formed plates] sized for loads specified.
Provide doors of the [one-way sliding] [and] [biparting double-leaf] type as indicated [supported on recessed
rails set in floor with top guides]. Furnish doors complete with hardware, tracks, guides, and accessories.
Leaves of exterior biparting doors must be designed as follows:
a. Windload of [2400] [_____] pascal [50] [_____] pounds per square foot (psf)
b. Windload deflection not to exceed [_____] [the door height in millimeter inches divided
by 120] [_____].
c. Interior horizontal sliding doors must withstand designed an internal pressure of [500]
[_____] pascal, [10] [_____] psf, both directions.
d. Door operating speed must be [0.15] [_____] meter per second [30] [_____] feet per minute
(fpm) maximum and [0.08] [_____] meter per second [15] [_____] fpm minimum.
Doors must require operating personnel to walk with leaf as it moves. Each door leaf must have separate drive
units, [driving one or more wheels]. Each leaf must have [motor-mounted, spring-set,] [_____] [solenoid-released]
motor brake. Each leaf must move independently from other leaves.
[Personnel door must be interlocked to prevent movement of the leaf, or group in which it is located, when the
personnel door is open.]
1.6.2 Seal Performance
Pressure must keep doors closed and hold center seals tight. When power fails, a braking device must hold each
door shut and maintain seals.
When pressure is applied to the OPEN button, seals must automatically deflate before doors open. Upon deflation
of pressure in each seal switches [connected in series] must energize door-open controller. Every seal must
deflate properly before permitting doors to move. Coordinate controls with this operating sequence for seals
and door movement.
1.7 DELIVERY AND STORAGE
Deliver doors to the jobsite wrapped in a protective covering, with the brands and names clearly marked thereon.
Store doors in an adequately ventilated, dry location that is free from dust, water, or other contaminants and
in a manner that permits access for inspection and handling. Handle doors carefully to prevent damage to the
faces, edges, and ends. Damaged items that cannot be restored to like-new condition must be replaced.
1.8 WARRANTY
Provide manufacturer's standard performance guarantees or warranties that extend beyond a 1 year period.
1.9 OPERATION AND MAINTENANCE MANUALS
Provide manufacturer's installation, operation, and maintenance instructions for sliding metal doors.
PART 2 PRODUCTS
2.1 DOORS
Leaf sections must be welded construction. Provide joints to develop 100 percent of the strength of the framing
members. Members may be prefabricated for field assembly. When using bolts, conform to ASTM A 325MASTM A 325
for fastening main members. Bolts conforming to ASTM F 568M ASTM A 307 are permitted for fastening secondary
members.
Vertical members must be continuous throughout the height of the door. Members adjoining each other at splices
must be made to facilitate field assembly. Framing members must be true to dimensions and square in all directions.
No leaf must be out of line in vertical or horizontal plane of the door opening by [ 3 millimeter in 6100 millimeter
1/8 inch in 20 feet] [_____] maximum.
Provide [full-depth members] [gusset plates at the one-third points] for lateral support to all main vertical
members. Diagonal bracing must support the leaf assembly to withstand shipping, assembly, and operational loads.
Provide ground smooth welds.
Fabricate cover sheets from [1.2] millimeter [0.050] inch [_____] thick (minimum) [aluminum] [_____] facing,
[Alloy 3003] [_____], meeting ASTM B 209M ASTM B 209 requirements. Provide [ribbed] [fluted] finish. Joints
must be the [butt] [_____] type showing a minimum crack. Reinforce to ensure rigid construction and prevent
warping and sagging.
Seal cover sheets with an approved calking compound. Fasten to frame with corrosion-resistant [steel] [_____] fasteners
[230] millimeter [9] inch [_____] on center. Where flat sheets are attached as either covering or linear sheets,
do not exceed [2.3] square meter [25] square feet [_____] for unsupported areas.
2.2 PERSONNEL DOORS
NOTE: Delete the following paragraph when personnel doors are not required.
Provide manufacturer's standard Flush Doors of [aluminum type,] [_____] size as indicated, complete with hardware
and airtight seals.
2.3 SLIDING DOORS
NOTE: Types of doors should be specified optionally where a fire rating is
required unless appearance is a factor. Manufacturer's catalogs should be consulted
before a selection is made. If doors are not fire rated, the hollow metal and
flush tubular frame doors should be specified for interior use, and the insulated
door should be specified for exterior use.
Composite doors are available in 3 or 4 hour models and may be specified with
or without a temperature rise rating. Hollow metal doors are available up to
a 4 hour rating; however, they are not available with a temperature rise rating.
The maximum size available with a UL listing and a FM approval is 3.6 m by 3.6
m (12 foot by 12 foot) for the composite and hollow metal doors. Tin-clad doors
are available as 2-ply and 3-ply types. The 2-ply door is available with 3/4
and 1-1/2 hour rating. The 3-ply door is available with a 3/4, 1-1/2, and 3
hour rating. Tin-clad doors with a 1-1/2 or 3 hour rating have a maximum temperature
rise limitation.
Edit the following paragraphs to meet project requirements.
Sliding doors must be of the following types:
[2.3.1 Steel-Covered Composite
Composite fire doors must be [[3 hour] [4 hour] [_____] rated] [as shown on drawings]. Doors must be flush panel
consisting of a manufactured core material, such as calcium silicate block or mineral fiberboard insulation,
covered on both faces with a bonded steel sheet not lighter than 1.0 mm 20 gauge and covered on edges with a
steel perimeter channel not lighter than 1.3 mm 18 gauge. Doors may be fabricated using several panels, with
panel edges encased in a steel channel not lighter than 1.9 mm 14 gauge. Joints in panels must be joined or
backed by an interior steel H column and covered with a steel-surface applied face plate. Fire-rated doors must
have a [maximum temperature rise rating of 121 degrees C 250 degrees F at 30 minutes] [non-temperature rise rating].
][2.3.2 Hollow Metal
Provide[[non] [3 hour] [4 hour] [_____] rated] doors [as shown on drawings]. Doors must be flush panel consisting
of a resin impregnated Kraft honeycomb core covered on both faces with a bonded steel sheet not lighter than
1.0 mm 20 gauge and covered on edges with a steel perimeter channel not lighter than 1.3 mm 18 gauge. Doors
may be fabricated using several panels, with panel edges encased in a steel channel not lighter than 1.9 mm 14
gauge. Back joints in face sheets by an interior steel H column and covered with a steel surface applied face
plate.
][2.3.3 Flush Steel Tubular Frame
Flush steel tubular frame doors must be [[non] [3 hour] [4 hour] [_____] rated] [as shown]. Doors must be flush
panel consisting of a 1.6 mm (16 gauge) 16 gauge steel tubing frame with 1.3 mm (18 gauge) 18 gauge face sheets
with fiberglass core. Provide intermediate stiffeners at 600 mm 24 inches on center maximum. The face sheets
must be spot welded to the frame and stiffeners. Door may be fabricated using several panels, with 3.1 mm (11
gauge) 11 gauge steel splice plates full height on both sides. Fire rated doors must have a [maximum temperature
rise rating of 121 degrees C 250 degrees F at 30 minutes] [non-temperature rise rating].
][2.3.4 Tin-Clad
Tin-clad doors must be [[2-ply [3/4] [1-1/2]] [3-ply [3/4] [1-1/2] [3]] hour rated] [as shown]. Doors must conform
to UL 10A. Hardware must conform to UL 14B. Doors must have a core made up of layers of 19 mm 3/4 inch thick
wooden boards nailed to each other and encased in tern or zinc plates that are jointed together at their edges
with nails through the joints into the core. Doors with 1-1/2 hour and 3 hour rating must have a maximum temperature
rise rating of 121 degrees C 250 degrees F at 30 minutes.
][2.3.5 Insulated
NOTE: Doors with a thermal conductance (U-value) of 0.85 W/square meter times
K (0.15 btu/hr times sq f times f) are readily available. Specify and indicate
on the drawings all doors with a lower thermal conductance (U-value) where
indicated by the energy budget analysis. Review manufacturer's literature to
verify the availability of doors with lower thermal conductance (U-values).
[Non-labeled insulated doors must be flush panel consisting of a urethane, polystyrene, or fiberglass insulation
core covered on both faces with a bonded steel sheet not lighter than 1.3 mm (18 gauge) 18 gauge and covered
on the edges with a steel perimeter channel not lighter than 1.3 mm (18 gauge)18 gauge.] [Provide flush panel
labeled [3/4] [1-1/2] [3] [4] hour rated doors consisting of fiberglass insulation core covered on both faces
with a bonded steel sheet not lighter than 1.3 mm (18 gauge) 18 gauge and covered on the edges with a steel perimeter
channel not lighter than 1.3 mm (18 gauge) 18 gauge. Fire rated doors must have a [maximum temperature rise
rating of 121 degrees C 250 degrees F at 30 minutes] [non-temperature rise rating] [rating as shown]]. Door
construction must provide a thermal conductance (U-value) of [0.85 W/square meter times K 0.15 btu/hr times sq
f times f] [_____]. Doors may be fabricated using several panels. Panel edges must be encased in a steel channel
not lighter than 1.9 mm (14 gauge)14 gauge. Back joints in face sheets by an interior steel H column and covered
with a steel surface-applied face plate. The Contractor must comply with EPA requirements in accordance with
Section 01 62 35 RECYCLED / RECOVERED MATERIALS.
]2.4 OPERATION
NOTE: Edit this paragraph to agree with type of operation indicated on the
drawings. Tin-clad doors are available with inclined tops.
Doors must be [single-slide] [center-parting] on [level] [inclined] tracks and designed to normally remain in
the [open position and close automatically in case of fire] [or] [closed position but permit normal operation
for passage]. Doors must be [manually] [power] operated. Automatic closing system must be a [labeled automatic
reel type closer] [or] [weight type closer with a weight box fabricated of steel not lighter than 1.6 mm (16
gauge) 16 gauge]. Provide fusible links as required by NFPA 80 and activate at 71 degrees C 160 degrees F.
2.4.1 Power Operators
NOTE: Power operators should be specified for sliding doors which are subject
to heavy usage and are required to remain closed. Also use power operated sliding
doors between heated production areas and unheated storage areas where there
is a frequent traffic flow between the two areas. This paragraph applies to
both pneumatic and electric operated doors.
Provide [pneumatic][electric] type operator specified herein. Provide both the door and the power actuating
device with a UL or FM listed releasing mechanism that will permit the required self-closing feature to function
and close the door automatically in case of fire irrespective of power failure or manual operation. Provide
readily adjustable limit switches to automatically stop the door in its full open or closed position. All operating
devices must be suitable for the Class, Division, and Group shown and as defined in NFPA 70.
[2.4.2 Pneumatic Operators
NOTE: Edit this paragraph to suit the type of controls required. Insert the
air pressure that will be available for the door operation.
Provide heavy duty industrial type operator, designed to operate the door at [0.3] [0.6] [0.9] [1.2] m [1] [2]
[3] [4] ft per second with air pressure of [_____] kPapsi. The operator must open, close, start, and stop the
door smoothly. Control must be [[electrical, conforming to NEMA ICS 2 and NEMA ICS 6. Enclosures must be Type
12 (industrial use), Type 7 or 9 in hazardous locations,] [pneumatic,] with [push button wall switches.] [ceiling
pull switches.] [roll-over floor treadle.]] [as indicated on the drawings.]
]2.4.3 Electric Operators
NOTE: Edit this paragraph to suit the type of controls required. Insert the
electrical characteristics that will be available for the door operation.
Provide heavy-duty industrial type operator, designed to operate the door at not less than [0.3] [0.6] [0.9]
[1.2] m [1] [2] [3] [4] ft per second. Provide [push button wall switches] [ceiling-pull switches] [roll-over
floor treadle] electrical controlsas indicated. Provide all electrical power operators complete with electric
motor, brackets, controls, limit switches, magnetic reversing starter, and all other accessories necessary.
Design the operator so that the motor may be removed without disturbing the limit-switch timing and without affecting
the emergency closing system. Provide the power operator with a slipping clutch coupling or torque limiter,
as required to prevent stalling of the motor. Operators must have provisions for immediate emergency manual
operation of the door in case of electrical failure. Where control voltages differ from motor voltage, provide
an integrated control voltage transformer as part of the starter. Control voltage must be 120 volts or less.
Control must be electrical, conforming to NEMA ICS 2 and NEMA ICS 6. Enclosures must be Type 12 (industrial
use), Type 7 or 9 in hazardous locations, [with [push button wall switches.] [ceiling pull switches.] [roll-over
floor treadle.]] [as indicated on the drawings.]
2.4.3.1 Motors
Drive motors must conform to NEMA MG 1, must be high-starting torque, reversible type, and must be of sufficient
power and torque output to move the door in either direction from any position at the required speed without
exceeding the rated capacity. Motors must be suitable for operation on [_____] volts, [60] [_____] hertz, [single]
[three] phase, and must be suitable for across-the-line starting. Design motors to operate at full capacity
over a supply voltage variation of plus or minus 10 percent of the motor voltage rating.
2.4.3.2 Controls
Provide each door motor with thermal overload protection, limit switches, and remote-control switches. The
control equipment must conform to NEMA ICS 2. Enclosures must be NEMA ICS 6 Type 12 (industrial use), Type 7
or 9 in hazardous locations, or as otherwise indicated. Each wall control station must be of the three-button
type, with the controls marked "OPEN," "CLOSE," and "STOP." When the door is in motion and the "STOP" control
is pressed, the door must stop instantly and remain in the stop position; from the stop position. The door must
be operable in either direction by the "OPEN" or "CLOSE" controls. Controls must be of the full-guarded type
to prevent accidental operation.
2.4.4 Electrical Work
Provide conduit and wiring necessary for proper operation in accordance with Section 26 20 00 INTERIOR DISTRIBUTION
SYSTEM. Make flexible connections between doors and fixed supports with extra flexible type SO cable, except
in hazardous locations where wiring conforms to NFPA 70. The cable must have spring-loaded automatic take-up
reel coil cord or an equivalent and approved device.
2.4.5 Transformer
Conform to UL 506 for control transformers.
2.5 HARDWARE
Hardware must conform to NFPA 80, UL 14B and the requirements specified herein. Design tracks, roller assemblies,
and installation hardware to support a dead load equal to 1-1/2 times the weight of the door and attached hardware
without deformation that would interfere with the operation of the door. Tracks must be formed of galvanized
G90 steel not lighter than 1.9 mm (14 gauge) 14 gauge. Provide ball or roller bearing wheels or rollers with
case hardened races on all devices incorporating wheels or rollers. Attach hardware using zinc plated through
bolts, nut plates, or similar devices to ensure adequate fastener strength. Provide recessed steel pulls on
both sides of all door leaves. Closing system for [sliding doors] [and] [sliding fire doors] must be [counterweight
closing with weight boxes] [cable reel closer] [controlled speed cable reels].
[2.6 RAILS
Provide [steel] [_____] rails for horizontal sliding doors of [18 kilogram 40 pound ] [as indicated].
]2.7 SAFETY DEVICE
The leading edge of doors must have a safety device that will immediately reverse the door movement upon contact
with an obstruction and cause the door to return to its full open position. The safety device can not substitute
for a limit switch. Provide exterior doors with a combination weather seal and safety device.
2.8 ACCESSORIES
2.8.1 Track Hood
Track hood for exterior doors mounted on the exterior face of the wall must be zinc-coated steel not lighter
than 1.3 mm (18 gauge) 18 gauge.
2.8.2 Glass Lights
Provide glass lights of the size indicated, except that in no case can the size be larger than that permitted
by the required fire rating. Glass must be in accordance with Section 08 81 00 GLAZING.
2.8.3 Weatherstripping
Provide weatherstripping on head, jamb, and sills of exterior doors. Weatherstripping must be 1.6 mm 1/16 inch
thick fabric-reinforced neoprene or nylon-brush type, must have continuous metal retainers and UL listed.
[2.8.4 Locking Device
NOTE: Do not provide locking devices on doors of required exitways unless approval
is first obtained from the Fire Protection Engineer. Delete this paragraph
if locking devices are not required.
[Heavy-duty hasp and staple] [Electric solenoid lock] must be provided on doors [_____], located on [_____] side.
][2.8.5 Pass Door
Provide a pass door of nominal size [_____] [as shown on the drawings] complete with an integral frame. Factory
install and fit the pass door. The pass door must be complete with three full mortise spring hinges and a mortise
latch set with flush cup and lever handle with US32D finish.
]2.8.6 Top Guide Rollers
Provide top guide rollers of the [horizontal] [_____] type [with single wheel] [as indicated]. Provide rollers
of [steel] [malleable iron] [cast iron] and sized for load conditions. Rollers must have [permanently lubricated]
[_____] anti-friction bearings. Construct assemblies allowing removal. Construct top roller assemblies to transmit
the load from the door to the building structure.
2.8.7 Bottom Rollers
Provide bottom rollers of [double-flanged cast steel] [welded pressed steel] [_____] having minimum tread diameter
of [455] millimeter [18] inch [_____]. When the door leaf height-to-width exceeds 3, provide adjustable rollers.
Construct rollers for removal without removing the door leaf from rail.
Treads must have bearing seats. Horizontal clearance between the wheel and the rail must be [3] millimeter [1/8]
inch [_____] maximum at the bottom and [6] millimeter[1/4] inch [_____] maximum at edge of flanges.
Provide bearing seats must fit meeting the bearing manufacturer's requirements. Bearings of [ball] [roller]
type arranged to ensure that vertical loads and horizontal wind loads will be transmitted from leaves to wheels.
Bearings with seals must retain grease and prevent the entrance of dirt. Equip bearings with high-pressure grease
fittings.
2.8.8 Track Cleaners
Provide door leaves with sweeps to clear debris from the rail head and wheel flange grooves as the leaf is moved.
2.8.9 Toe Guards
Attach an adjustable full-length flexible toe guard reaching to the floor to the exterior bottom edge of each
leaf of bi-parting doors.
2.8.10 Warning Device
Provide alarms with each leaf which signals door movements. Device must be [electronically] [electrically] [mechanically]
activated.
2.8.11 Track Bumpers
When limit switch fails, bumpers must limit door travel and automatically stop the door.
2.8.12 Drive Clutch
When power is not applied, the clutch must disengage from the door drives.
2.8.13 Manual Operators
Provide a manual [removable crank] [hand wheel] device that open doors. [Door leaf must have readily accessible
brackets for crank storage.]
2.9 FINISH
2.9.1 Steel Surfaces of Exterior Doors
Provide galvanized coating on all steel surfaces of exterior doors,after first applying a shop-primed finish.
Galvanizing must conform to ASTM A 653/A 653M or ASTM A 924/A 924M, coating designation G90, for steel sheets.
Prior to receiving primer, all surfaces must be cleaned and phosphate-treated for maximum paint adherence. Primer
must be metallic oxide or synthetic resin primer of the manufacturer's standard type and applied by dipping or
spraying.
2.9.2 Exposed Steel Surfaces of Interior Doors
Provide exposed steel surfaces of interior doors with a [shop-primed finish] [and] [galvanized coating]. Galvanizing
must conform to ASTM A 653/A 653M or ASTM A 924/A 924M, coating designation G90, for steel sheets. Primer must
be a metallic oxide or synthetic resin primer of the manufacturer's standard type and applied by dipping or spraying.
Prior to receiving primer, clean and phosphate treat all surfaces for maximum paint adherence.
[2.10 SPECIAL FINISHES
Provide surfaces of [aluminum] [_____] doors with [an anodic] [_____] coating conforming to [MIL-A-8625, Type
II] [_____]; coating must be sealed. Weight and effectiveness of sealing and coating(s) must be determined in
accordance with [ASTM B 137 and ASTM B 136] [_____]. Apply [_____] coat(s) of [a clear [methacrylate lacquer]
[_____]] to [_____] surfaces prior to shipment.
][2.11 SHOP PAINTING
Paint [steel] [_____] portions of doors with [_____] coats of manufacturer's standard [rust-inhibitive] Paint
.
Paint [aluminum] [_____] surfaces which contact dissimilar metals with bituminous paint.
]PART 3 EXECUTION
3.1 INSTALLATION
Install doors in accordance with NFPA 80, approved detail drawings and manufacturer's instructions. Anchors
and inserts for guides, brackets, [motors,] [switches,] hardware, and accessories must be accurately located.
Upon completion, doors must be free from warp, twist, or distortion. Exterior doors must be weather tight.
Doors must be lubricated, properly adjusted, and demonstrated to operate freely.
[3.2 FIELD FINISHING
Finish doors to receive field finish in accordance with Section 09 90 00 PAINTING, GENERAL. Color must be [in
accordance with Section 09 06 90 COLOR SCHEDULE] [_____].
]3.3 TESTING
Test doors in the presence of a representative of the door manufacturer and the Contracting Officer. Testing
must consist of [10] complete opening and closing cycles for each individual door, each pair of doors, and [three]
complete manual cycles. On the fifth and tenth cycles, check, the inflatable seals for wear and leakage. Switches
must function properly, and operation of doors must be smooth.
[A successful soap-bubble test made with the doors closed must show an airtight condition.]