HomeMy WebLinkAboutDECORATIVE METAL FENCES AND GATES18094/18095 32 31 19
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SECTION 32 31 19 - DECORATIVE METAL FENCES AND GATES
PART 1 - GENERAL
1.01 RELATED DOCUMENTS
A. Drawings and general provisions of the Contract, including General and Supplementary
Conditions and Division 01 Specification Sections, apply to this Section.
1.02 SUMMARY
A. Section Includes:
1. Decorative steel fences.
2. Decorative aluminum fences.
3. Swing gates.
4. Gate operators, including controls.
1.03 ACTION SUBMITTALS
A. Product Data: For each type of product.
B. Shop Drawings: For gates. Include plans, elevations, sections, details, and attachments
to other work.
1. Include diagrams for power, signal, and control wiring.
C. Samples: For each fence material and for each color specified.
1. Provide Samples 12 inches (300 mm) in length for linear materials.
1.04 INFORMATIONAL SUBMITTALS
A. Sample Warranty Information
1.05 CLOSEOUT SUBMITTALS
A. Maintenance Data: For gate operators to include in maintenance manuals.
1.06 WARRANTY
A. All structural fence components (i.e. rails, pickets, and posts) shall be warranted within
specified limitations, by the manufacturer for a period of 20 years from date of original
purchase. Warranty shall cover any defects in material finish, including cracking, peeling,
chipping, blistering or corroding.
B. Reimbursement for labor necessary to restore or replace components that have been
found to be defective under the terms of manufactures warranty shall be guaranteed for
five (5) years from date of original purchase.
1.07 QUALITY ASSURANCE
A. Installer Qualifications: Fabricator of products.
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B. Mockups: Build mockups to verify selections made under Sample submittals, to demon-
strate aesthetic effects, and to set quality standards for fabrication and installation.
1. Include 6-foot (3-m) length of fence complying with requirements.
2. Subject to compliance with requirements, approved mockups may become part
of the completed Work if undisturbed at time of Substantial Completion.
PART 2 - PRODUCTS
2.01 DECORATIVE STEEL PICKET FENCES
A. Decorative Metallic-Coated-Steel Tubular Picket Fences: Comply with ASTM F 2408 for
commercial application (class) unless otherwise indicated.
1. Manufacturers: Subject to compliance with requirements, provide products by
one of the following.
2. Basis-of -Design Product: Subject to compliance with requirements, provide Am-
eristar Fence Montage Welded and Rackable Ornamental Steel Majestic design
with 3-rails and flush pickets or comparable product by one of the following:
a. Ameristar Fence Products.
b. BetaFence USA LLC.
c. Fortress Iron.
d. Hill & Smith Inc.
e. Iron Eagle Industries, Inc.
f. Iron World Manufacturing, LLC.
B. Posts:
1. End and Corner Posts: Square tubes 2-1/2 by 2-1/2 inches (64 by 64 mm)
formed from 0.108-inch (2.74-mm) nominal-thickness, metallic-coated steel sheet
or formed from 0.105-inch (2.66-mm) nominal-thickness steel sheet and hot-dip
galvanized after fabrication.
2. Posts at Swing Gate Openings: Square tubes 3 by 3 inches (76 by 76 mm)
formed from 0.108-inch (2.74-mm) nominal-thickness, metallic-coated steel sheet
or formed from 0.105-inch (2.66-mm) nominal-thickness steel sheet and hot-dip
galvanized after fabrication.
C. Post Caps: Formed from steel sheet and hot-dip galvanized after forming
D. Rails: Square tubes.
1. Number of Rails: 3
a. Flush top rail
b. Upper decorative rail
c. Flush bottom rail
E. Pickets: Square tubes.
1. Terminate tops of pickets at top rail for flush top appearance.
2. Terminate bottom of pickets at bottom rail for flush bottom appearance.
3. Picket Spacing: 4 inches (101.6 mm) clear, maximum.
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F. Fasteners: Manufacturer's standard concealed fastening system.
G. Metallic-Coated Steel Sheet: Galvanized-steel sheet or aluminum-zinc, alloy-coated
steel sheet.
H. Interior surface of tubes formed from uncoated steel sheet shall be hot-dip zinc coated
same as exterior or coated with zinc-rich thermosetting coating to comply with
ASTM F 2408.
I. Galvanizing: For components indicated to be galvanized and for which galvanized coat-
ing is not specified in ASTM F 2408, hot-dip galvanize to comply with
ASTM A 123/A 123M. For hardware items, hot-dip galvanize to comply with
ASTM A 153/A 153M.
J. Finish: Organic coating complying with requirements in ASTM F 2408.
2.02 SWING GATES
A. Gate Configuration: As indicated on drawings.
B. Gate Frame Height: As indicated.
C. Gate Opening Width: As indicated.
D. Automated vehicular gates shall comply with ASTM F 2200, Class I
E. Galvanized-Steel Frames and Bracing: Fabricate members from square tubes 1-1/2 by
1-1/2 inches (38 by 38 mm) formed from 0.108-inch (2.74-mm) nominal-thickness, metal-
lic-coated steel sheet or formed from 0.105-inch (2.66-mm) nominal-thickness steel sheet
and hot-dip galvanized after fabrication.
F. Steel Frames and Bracing: Fabricate members from square steel tubing 1-1/2 by 1-1/2
inches (38 by 38 mm) with 1/8-inch (3.2-mm) wall thickness.
G. Aluminum Frames and Bracing: Fabricate members from square extruded-aluminum
tubes 1-1/2 by 1-1/2 inches (38 by 38 mm) with 0.125-inch (3.18-mm) wall thickness.
H. Frame Corner Construction: Welded
I. Additional Rails: Provide as indicated, complying with requirements for fence rails.
J. Infill: Comply with requirements for adjacent fence.
K. Picket Size, Configuration, and Spacing: Comply with requirements for adjacent fence.
1. Treillage: Provide iron castings of pattern indicated between each pair of pickets.
Finish as specified for adjacent fence.
L. Hardware: Latches permitting operation from both sides of gate, hinges, and keepers for
each gate leaf more than 5 feet (1.52 m) wide. Provide center gate stops for pairs of
gates.
M. Hinges: BHMA A156.1, Grade 1, suitable for exterior use.
1. Function: 39 - Full surface, triple weight, antifriction bearing.
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2. Material: Wrought steel, forged steel, cast steel, or malleable iron; galvanized.
N. Mortise Locks: BHMA A156.13, Grade 1, suitable for exterior use.
1. See Door Hardware 08 71 00 for additional requirements.
O. Exit Hardware: BHMA A156.3, Grade 1, Type 1 (rim exit device), with push pad actuat-
ing bar, suitable for exterior use.
1. See Door Hardware 08 71 00 for additional requirements.
P. Finish exposed welds to comply with NOMMA Guideline 1, Finish #2 - completely sanded
joint, some undercutting and pinholes okay
Q. Galvanizing: For items other than hardware that are indicated to be galvanized, hot-dip
galvanize to comply with ASTM A 123/A 123M. For hardware items, hot-dip galvanize to
comply with ASTM A 153/A 153M.
2.03 GATE OPERATORS
A. Gate Operators:
1. Manufacturers: Subject to compliance with requirements, provide products
available manufacturers offering products that may be incorporated into the Work
include, but are not limited to, the following:
a. Amazing Gates of America LLC.
b. Apollo Gate Operators.
c. AutoGate, Inc.
d. Begley Automated Gate Systems.
e. Byan Systems, Inc.
f. CAME Americas Automation LLC.
g. Chamberlain Group, Inc. (The).
h. DoorKing, Inc.
i. Eagle Access Control Systems, Inc.
j. FAAC USA.
k. Gates That Open, LLC.
l. HySecurity.
m. Tymetal Corp.
n. USAutomatic Inc.
o. Viking Access Systems.
B. Provide factory-assembled automatic operating system designed for gate size, type,
weight, and operation frequency. Provide operation control system with characteristics
suitable for Project conditions, with remote-control stations, safety devices, and weather-
proof enclosures; coordinate electrical requirements with building electrical system.
1. Provide operator designed so motor may be removed without disturbing limit-
switch adjustment and without affecting auxiliary emergency operator.
2. Provide operator with UL approved components.
3. Provide electronic components with built-in troubleshooting diagnostic feature.
4. Provide unit designed and wired for both right-hand/left-hand opening, permitting
universal installation.
C. Comply with NFPA 70.
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D. UL Standard: Manufacturer and label gate operators to comply with UL 325.
E. Emergency Access Requirements: Comply with requirements of authorities having juri s-
diction for automatic gate operators on gates that must provide emergency access.
F. Motor Characteristics: Sufficient to start, accelerate, and operate connected loads at
designated speeds, within installed environment, with indicated operating sequence, and
without exceeding nameplate rating or considering service factor. Comply with
NEMA MG 1 and the following:
1. Voltage: 120 V.
2. Horsepower: Not less than 1.
3. Enclosure: Totally enclosed.
4. Duty: Continuous duty at ambient temperature of 105 deg F (40 deg C) and at
altitude of 3300 feet (1005 m) above sea level.
5. Service Factor: 1.15 for open drip-proof motors; 1.0 for totally enclosed motors.
6. Phase: One.
G. Gate Operators: Concrete base mounted and as follows:
1. Hydraulic Swing Gate Operators:
a. Duty: Light duty, residential
b. Gate Speed: Minimum 45 feet (13.7 m) per minute.
c. Maximum Gate Weight: As required by manufacturer.
d. Frequency of Use: 10 cycles per hour
e. Operating Type: Wheel-and-rail drive with manual release.
f. Hydraulic Fluid: Of viscosity required for gate operation at ambient tem-
perature range for Project.
g. Locking: Hydraulic in both directions.
h. Heater: Manufacturer's standard track and roller heater with thermostatic
control.
H. Remote Controls: Electric controls separated from gate and motor and drive m echanism,
with NEMA ICS 6, Type 4 enclosure for concrete base pedestal mounting, and with
space for additional optional equipment. Provide the following remote-control device(s):
1. Control Station: Momentary-contact, three-button-operated with open, stop, and
close function; located remotely from gate.
a. Recessed type, coordinate location in field.
2. Digital Keypad Entry Unit: Programmable, multiple-code capability of not less
than 500 possible individual codes, consisting of 1- to 7-digit codes, and permit-
ting four different access time periods.
a. Features: Capable of monitoring and auditing gate activity.
b. Face-lighted unit with metal-keyedkeypad fully visible at night.
3. Telephone Entry System: Hands-free, voice-communication system for connec-
tion to building telephone system with digital-entry code activation of gate opera-
tor and auxiliary keypad entry.
a. Residential System: Designed to be wired to same line with telephone.
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4. Provide system with application or online platform operation for use from any
wireless device with network connection, app, and required credentials.
I. Vehicle Presence Detector: System includes automatic closing timer with adjustable time
delay and presence detector designed to hold gate open until traffic clears System in-
cludes retroreflective detector with adjustable detection zone pattern and sensitivity, de-
signed to detect the presence or transit of a vehicle in gate pathway when infrared beam
in zone pattern is interrupted, and to emit a signal activating the gate operator.
J. Exiting Vehicle Sensor: Provide pressure sensor beneath drive pavement 100’-150’ from
gate on secure side that will engage electric operator opening gate by the time the exiting
vehicle has reached it. Alternative sensors that provide similar operation will be consid-
ered.
K. Obstruction Detection Devices: Provide each motorized gate with automatic safety sen-
sor(s). Activation of sensor(s) causes operator to immediately function as follows:
1. Action: Reverse gate in both opening and closing cycles, and hold until clear of
obstruction.
2. Action: Stop gate in opening cycle and reverse gate in closing cycle, and hold
until clear of obstruction.
3. Internal Sensor: Built-in torque or current monitor senses gate is obstructed.
a. Along entire gate leaf leading edge.
L. Limit Switches: Adjustable switches, interlocked with motor controls and set to automati-
cally stop gate at fully retracted and fully extended positions.
M. Emergency Release Mechanism: Quick-disconnect release of operator drive system of
the following type, permitting manual operation if operator fails. Design system so con-
trol-circuit power is disconnected during manual operation.
1. Type: Integral fail-safe release, allowing gate to be pushed open without me-
chanical devices, keys, cranks, or special knowledge
N. Operating Features:
1. Digital Microprocessor Control: Electronic programmable means for setting,
changing, and adjusting control features with capability for monitoring and audit-
ing gate activity. Provide unit that is isolated from voltage spikes and surges.
2. System Integration: With controlling circuit board capable of accepting any type
of input from external devices.
3. Master/Slave Capability: Control stations designed and wired for gate pair op-
eration.
4. Automatic Closing Timer: With adjustable time delay before closing.
5. Open Override Circuit: Designed to override closing commands.
6. Reversal Time Delay: Designed to protect gate system from shock load on re-
versal in both directions.
7. Maximum Run Timer: Designed to prevent damage to gate system by shutting
down system if normal time to open gate is exceeded.
O. Accessories:
1. Battery Backup System: Battery-powered drive and access-control system, in-
dependent of primary drive system:
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a. Fail-Secure: Gate cycles on battery power, then fail-safe when battery is
discharged.
2. External electric-powered solenoid lock with delay timer allowing time for lock to
release before gate operates.
3. Fire box.
4. Intercom System
2.04 ALUMINUM
A. Aluminum, General: Provide alloys and tempers with not less than the strength and du-
rability properties of alloy and temper designated in paragraphs below for each aluminum
form required.
B. Extrusions: ASTM B 221 (ASTM B 221M), Alloy 6063-T5.
C. Tubing: ASTM B 429/B 429M, Alloy 6063-T6.
D. Plate and Sheet: ASTM B 209 (ASTM B 209M), Alloy 6061-T6.
E. Die and Hand Forgings: ASTM B 247 (ASTM B 247M), Alloy 6061-T6.
F. Castings: ASTM B 26/B 26M, Alloy A356.0-T6.
2.05 STEEL AND IRON
A. Plates, Shapes, and Bars: ASTM A 36/A 36M.
B. Bars (Pickets): Hot-rolled, carbon steel complying with ASTM A 29/A 29M, Grade 1010.
C. Tubing: ASTM A 500/A 500M, cold-formed steel tubing.
D. Bar Grating: NAAMM MBG 531.
1. Bars: Hot-rolled steel strip, ASTM A 1011/A 1011M, Commercial Steel, Type B.
2. Wire Rods: ASTM A 510 (ASTM A 510M).
E. Aluminum-Zinc, Alloy-Coated Steel Sheet: ASTM A 792/A 792M, structural quality,
Grade 50 (Grade 340), with AZ60 (AZM180) coating.
F. Castings: Either gray or malleable iron unless otherwise indicated.
1. Gray Iron: ASTM A 48/A 48M, Class 30.
2. Malleable Iron: ASTM A 47/A 47M.
2.06 SWING GATES WITH PANIC DEVICES
A. Basis of Design: Exodus by Ameristar Fence Products or equivalent product from one of
the following manufacturers:
1. Ameristar Fence Products.
2. BetaFence USA LLC.
3. Fortress Iron.
4. Hill & Smith Inc.
5. Iron Eagle Industries, Inc.
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6. Iron World Manufacturing, LLC.
B. Pre-fabricated and assembled egress gate unit, pre-drilled to receive appropriate hard-
ware.
C. Gate Frame
1. Hot dip Galvanized with minimum zinc coating weight of .9 oz./SQ FT (G90)
a. Compliant with ASTM A653/A653M
2. Direct bury frame mounting (no surface mount permitted)
D. Infill Frame: 12-gauge steel
E. Ornamental Picket Infill: 1” picket 5” O.C., match adjacent ornamental fencing
F. Gate: 1.75” x 14-gauge steel reinforced structural design with ¼” plate reinforced hinge
mounting
1. Gate jamb frame shall be fully welded consisting of 3” x 12ga square tubing for
main jamb, 1” square gate stops, and strike mounting block, with gate stop
bumpers. Jamb to include an electrical access point with conduit point of connec-
tion. Electrical connection to gate by means of Power Transfer connection
mounted in jamb and gate. Gate shall be pre-assembled.
G. Hinges: stainless steel five knuckle bearing hinges with non-removable pin and stainless
steel fasteners.
H. Removable Mullion: L980 lockable mullion with keyed removal – at double swing gate lo-
cations only.
I. Gate Hardware: Hardware provided by manufacturer, shall be exterior rated and pre-
assembled prior to shipping
PART 3 - EXECUTION
3.01 EXAMINATION
A. Examine areas and conditions, with Installer present, for compliance with requirements
for site clearing, earthwork, pavement work, construction layout, and other conditions af-
fecting performance of the Work.
B. Do not begin installation before final grading is completed unless otherwise permitted by
Architect.
C. Proceed with installation only after unsatisfactory conditions have been corrected.
3.02 PREPARATION
A. Stake locations of fence lines, gates, and terminal posts. Do not exceed intervals of 500
feet (152.5 m) or line of sight between stakes. Indicate locations of utilities, lawn spri n-
kler system, underground structures, benchmarks, and property monuments.
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1. Construction layout and field engineering are specified in Section 017300 "Exe-
cution."
3.03 DECORATIVE FENCE INSTALLATION
A. Install fences according to manufacturer's written instructions.
B. Post Excavation: Drill or hand-excavate holes for posts in firm, undisturbed soil. Exca-
vate holes to a diameter of not less than 4 times post size and a depth of not less than 24
inches (600 mm) plus 3 inches (75 mm) for each foot (300 mm) or fraction of a foot (300
mm) that fence height exceeds 4 feet (1.2 m).
C. Post Setting: Set posts in concrete at indicated spacing into firm, undisturbed soil.
1. Verify that posts are set plumb, aligned, and at correct height and spacing, and
hold in position during setting with concrete or mechanical devices.
2. Concrete Fill: Place concrete around posts and vibrate or tamp for consolidation.
Protect aboveground portion of posts from concrete splatter.
a. Concealed Concrete: Top 4 inches (51 mm)] below grade to allow cov-
ering with surface material. Slope top surface of concrete to drain water
away from post.
1) Where concrete mowstrip provided, surface concrete shall run
continuous for uniform aesthetic.
3. Posts Set in Concrete: Extend post to within 6 inches (150 mm) of specified ex-
cavation depth, but not closer than 3 inches (75 mm) to bottom of concrete.
4. Posts Set into Concrete in Sleeves: Use galvanized-steel pipe sleeves with in-
side diameter at least 3/4 inch (20 mm) larger than outside diagonal dimension of
post, preset and anchored into concrete for installing posts.
a. Extend posts at least 5 inches (125 mm) into sleeve.
b. After posts have been inserted into sleeves, fill annular space between
post and sleeve with nonshrink grout, mixed and placed to comply with
grout manufacturer's written instructions; shape and smooth to shed wa-
ter. Finish and slope top surface of grout to drain water away from post.
5. Posts Set into Voids in Concrete: Form or core drill holes not less than 3/4 inch
(20 mm) larger than outside diagonal dimension of post.
a. Extend posts at least 5 inches (125 mm) into concrete.
b. Clean holes of loose material, insert posts, and fill annular space be-
tween post and concrete with nonshrink grout, mixed and placed to com-
ply with grout manufacturer's written instructions. Finish and slope top
surface of grout to drain water away from post.
6. Mechanically Driven Posts: Drive into soil to depth of [30 inches (762 mm)] [36
inches (914 mm)] <Insert dimension>. Protect post top to prevent distortion.
7. Space posts uniformly at [6 feet (1.83 m)] [8 feet (2.44 m)] <Insert dimension>
o.c.
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3.04 GATE INSTALLATION
A. Install gates according to manufacturer's written instructions, level, plumb, and secure for
full opening without interference. Attach hardware using tamper-resistant or concealed
means. Install ground-set items in concrete for anchorage. Adjust hardware for smooth
operation and lubricate where necessary.
3.05 GATE OPERATOR INSTALLATION
A. General: Install gate operators according to manufacturer's written instructions, aligned
and true to fence line and grade.
B. Excavation for Support Posts, Pedestals, and Concrete Bases: Hand or machine-
excavate holes for bases in firm, undisturbed soil to dimensions and depths and at loca-
tions as required by gate operator component manufacturer's written instructions and as
indicated.
C. Concrete Bases: Cast-in-place or precast concrete, depth as recommended by manufac-
turer or geotechnical report, dimensioned and reinforced according to gate operator com-
ponent manufacturer's written instructions and as indicated on Drawings.
D. Vehicle Loop Detector System: Bury and seal wire loop according to manufacturer's writ-
ten instructions. Connect to equipment operated by detector.
E. Comply with NFPA 70 and manufacturer's written instructions for grounding of electric-
powered motors, controls, and other devices.
3.06 ADJUSTING
A. Gates: Adjust gates to operate smoothly, easily, and quietly, free of binding, warp, ex-
cessive deflection, distortion, nonalignment, misplacement, disruption, or malfunction,
throughout entire operational range. Confirm that latches and locks engage accurately
and securely without forcing or binding.
B. Automatic Gate Operators: Energize circuits to electrical equipment and devices. Adjust
operators, controls, safety devices, and limit switches.
1. Hydraulic Operators: Purge operating system, adjust pressure and fluid levels,
and check for leaks.
2. Operational Test: After electrical circuitry has been energized, start units to con-
firm proper motor rotation and unit operation.
3. Test and adjust controls and safeties. Replace damaged and malfunctioning
controls and equipment.
C. Lubricate hardware, gate operators, and other moving parts.
3.07 DEMONSTRATION
A. Train Owner's personnel to adjust, operate, and maintain gates.
END OF SECTION 323119