FENCE ON STRUCTURE
PART 1 GENERAL
1.1SECTION INCLUDES
A.Chain link fencing installed on structures
B.Ornamental fencing installed on structures
1.2RELATED SECTIONS Not Used
1.3REFERENCES
A.AASHTO M 111: Zinc (Hot Dip Galvanized) Coatings on Iron and Steel
Products
B.AASHTO M 270: Structural Steel for Bridges
C.AASHTO LRFD Bridge Design Specifications
D.ASTM A 36: Carbon Structural Steel
E.ASTM A 307: Carbon Steel Bolts, Studs, and Threaded Rod 60 000 PSI
Tensile Strength
F.ASTM A 392: Zinc-Coated Steel Chain Link Fence Fabric
G.ASTM A 491: Aluminum-Coated Steel Chain Link Fence Fabric
H.ASTM A 500: Cold Formed Welded and Seamless Carbon Steel
Structural Tubing in Round and Shapes
I.ASTM A 563: Carbon and Alloy Steel Nuts
J.ASTM A 824: Metallic-Coated Steel Marcelled Tension Wire for Use With
Chain Link Fence
K.ASTM A 1085: Cold-Formed Welded Carbon Steel Hollow Structural
Sections (HSS)
Fence on Structure
L.ASTM C 307: Tensile Strength of Chemical-Resistant Mortar, Grouts, and
Monolithic Surfacings
M.ASTM C 579: Compressive Strength of Chemical-Resistant Mortars,
Grouts, Monolithic Surfacings, and Polymer Concretes
N.ASTM D 2240: Rubber Property – Durometer Hardness
O.ASTM D 7803: Preparation of Zinc (Hot-Dip Galvanized) Coated Iron and
Steel Product and Hardware Surfaces for Powder Coating
P.ASTM F 436: Hardened Steel Washers Inch and Metric Dimensions
Q.ASTM F 668: Polyvinyl Chloride (PVC), Polyolefin and Other Polymer-
Coated Steel Chain Link Fence Fabric
R.ASTM F 844: Washers, Steel, Plain (Flat), Unhardened for General Use
S.ASTM F 1083: Pipe, Steel, Hot-Dipped Zinc-Coated (Galvanized)
Welded, for Fence Structures
T.ASTM F 1554: Anchor Bolts, Steel, 36, 55, and 105-ksi Yield Strength
U.AWS D1.1 Structural Welding Code – Steel
1.4DEFINITIONS Not Used
1.5SUBMITTALS
A.Certified mill test report (MTR) for all structural steel for information.
1.Seven calendar days before delivery to site, including materials
manufactured outside of the United States.
2.Clearly indicate country of origin on MTR.
B.Manufacturer’s product data sheets for review.
1.Include recommended installation instructions and safety data
sheets for information.
C.Ornamental fence shop drawings for review.
1.Show finish such that an aesthetic determination can be made.
Fence on Structure
2.Include at least the following:
a.Post, rail, picket and base plate member sizes, spacing and
materials 1) Clearly indicate if the post spacing is different from spacing shown.
b.Plans, profiles, cross sections, and details for all fence
components and connections
c.Epoxy grouting plan
1) Detail grout box and method to seal box to prevent leaks.
a.Detail grout box to be ¼ inch to ½ inch larger
than the base plate, all around
b.Detail grout box to be at least ½ inch higher
than the bottom of the base plate 2) Proposal for alternate method to provide plumb posts if applicable.
d.Anchorage requirements
3.Include supporting calculations sufficient to demonstrate that the
ornamental fence is designed according to AASHTO LRFD Bridge Design Specifications.
4.Provide the seal of a Professional Engineer (PE) or Professional
Structural Engineer (SE) licensed in the State of Utah on the drawings and calculations.
D.Powder coating warranty for information
1.Provide at least a 5 year manufacturer’s warranty against cracking,
peeling, chipping, blistering or corroding under normal and proper use.
PART 2 PRODUCTS
2.1GENERAL
A.Anchor Bolt Assembly
1.Headed Anchor Bolt according to ASTM F 1554 Grade 55
2.Nuts according to ASTM A 563
3.Washers according to ASTM F 436
4.Hot-dip galvanize assembly components
B.Fasteners
1.Bolts according to ASTM A 307, Grade A
2.Nuts according to ASTM A 563
3.Washers according to ASTM F 844 or ASTM F 436
4.Hot-dip galvanize fastener components.
Fence on Structure
C.Neoprene Pad
1.Shore A durometer of 50-60 according to ASTM D 2240.
D.Weld according to AWS D1.1.
2.2CHAIN LINK FENCING
A.Fence Posts, Top Rails and Horizontal Braces
1.Steel pipe conforming to ASTM F 1083 High Strength Grade,
Schedule 40
B.Base plates
1.Structural steel conforming to AASHTO M 270 Grade 50
C.Expansion Rail
1.Steel pipe conforming to ASTM F 1083 Regular Strength Grade,
Schedule 40
D.Chain Link Fence Fabric
1.9 gauge wire
2.Openings in the fabric are not to exceed 2 inch in any direction
3.Knuckled selvage at bottom Twisted and barbed selvage at the top
4.Either Class 1 zinc-coated steel, galvanized after weaving in
accordance with ASTM A 392, or aluminum-coated steel fence fabric as specified ASTM A 491.
E.Tension Wire
1.7 gauge steel tension wire according to ASTM A 824.
a.Use Type I or Type II coating.
F.Handrail
1.Steel pipe according to ASTM A 500 Grade B/C or ASTM A 1085,
Grade A.
2.Steel plates according to ASTM A 36.
3.Remove all burrs, sharp edges and corners.
4.Hot-dip galvanized U-Bolt according to ASTM A 307.
G.Miscellaneous hardware, fittings and appurtenances
1.Manufacture to industry standards, commercial quality and suitable
to the purpose used.
H.Galvanize after fabrication according to AASHTO M 111.
Fence on Structure
2.3ORNAMENTAL FENCING
A.Ameristar Aegis II Xtreme, manufactured by:
Ameristar / Assa Abloy
(888)333-3422
1.Meet all limitations and dimensional requirements shown.
2.Provide type “Majestic”, unless shown otherwise.
B.Other fence design and fabrication
1.Meet all limitations and dimensional requirements shown.
2.Design to meet the requirements of the AASHTO LRFD Bridge
Design Specifications for railings.
C.Fabrication
1.Fabricate posts and pickets so that they are plumb after installation.
2.Fabricate horizontal rails, so they are parallel to roadway profile
after installation.
3.Panels are permitted to be fabricated within 0.5 percent of plumb.
4.Powder coat exposed elements black unless shown otherwise,
refer to this Section, Paragraph 2.4 B.
D.Epoxy grout
1.Non-shrink flowable epoxy grout capable of being poured to as thin
as ½ inch
2.Minimum compressive strength of 4,000 psi at 1 day and 10,000 psi
at 28 days according to ASTM C 579
3.Minimum tensile strength of 2,000 psi according to ASTM C 307
2.4COATINGS
A.Polymer coat exposed elements when shown.
1.Apply polymer coating over galvanized surface on fence
components including nuts, bolts, washers, fittings and appurtenances. Refer to ASTM F 668.
2.Use a field applied liquid polymer coating approved by the fence
manufacturer for elements that are not practical to apply polymer coating in factory.
B.Powder coat exposed elements when shown.
1.Prepare surfaces to receive powder coating according to ASTM
D 7803.
Fence on Structure
2.Apply powder coat over galvanized surface on fence components
including nuts, bolts, washers, fittings and appurtenances.
a.Use a field applied liquid polymer coating for items not
feasible to powder coat before installation.
3.Refer to this Section, Paragraph 1.5 D1 for warranty requirement.
PART 3 EXECUTION
3.1DELIVERY, HANDLING, AND STORAGE
A.Check materials upon delivery to verify that no damage occurred during
shipping.
B.Store materials in such a manner to provide proper ventilation and
drainage and to protect against damage, weather, vandalism, and theft.
3.2CHAIN LINK FENCE ON STRUCTURE
A.Install anchor assembly
1.Cast anchor assembly in structural concrete as shown.
2.Hold anchor bolts in correct location.
a.Embedded material required to maintain anchor bolt position
are to be epoxy coated or galvanized.
B.Fence framework installation
1.Install neoprene pad, base plate and post as shown.
a.Snug tight anchor bolts and peen ends of bolt to prevent
loosening.
2.Install horizontal brace and truss rod in brace panels and at
terminal posts as shown.
3.Install top rail through the post caps and form a continuous brace
from end to end of each stretch of fence.
a.Splice top rail using top rail sleeve.
b.Secure to the terminal post by a brace band and rail end.
c.Provide expansion couplers as recommended by the fence
manufacturer.
4.Fit post with post caps and line post caps as applicable.
5.Snugly fit fittings over posts.
C.Tension Wire
1.Stretch taut, independently and before the fabric, between the
terminal posts and secure to the terminal post using a brace band.
2.Secure to each line post with a tie wire.
Fence on Structure
D.Install chain link fabric
1.Install the fabric on the side of the posts as shown.
2.Attach fabric to the terminal post by threading the stretcher bar
through the fabric.
3.Secure the stretcher bar to the end post with tension bands and
/16 inch carriage bolts spaced no greater than 12 inch on center.
a.Install with the head on the fabric side of the fence. Peen all
bolts to prevent removal of the nut.
4.Stretch fabric taut and free of sag, except where shown.
a.Leave slack in fabric by stretching taut and backing off 2 inch
before securing fabric to post where fence crosses deck expansion joint.
5.Secure fabric to each post with tie wires spaced no greater than
12 inch.
6.Secure fabric to top rail and horizontal brace with tie wires spaced
no greater than 18 inch.
7.Secure fabric to tension wire with hog rings spaced no greater than
18 inch.
E.Install handrail when shown.
1.Handrail to match the profile of the associated pedestrian facility.
F.Bend tie wires to prevent hazard to persons or apparel.
G.Touch up fence components with a liquid polymer touch up coating
approved by the fence manufacturer.
3.3ORNAMENTAL FENCE ON STRUCTURE
A.Install anchor assembly
1.Cast anchor assembly in structural concrete as shown in the
authorized shop drawings.
2.Hold anchor bolts in correct location and plumb.
a.Embedded material required to maintain anchor bolt position
are to be epoxy coated or galvanized.
B.Fence framework installation
1.Sandblast to remove dust, debris, and other contaminants from
concrete surfaces where grout pads will be located.
2.Fit up base plate and post as shown.
a.Position base plate so that the gap between the base plate
and top of concrete is not less than ½ inch or larger than 1 inch.
b.Tighten top nuts, followed by bottom (levelling) nuts, to a
snug tight condition.
Fence on Structure
c.Verify post is plumb within a tolerance of 1/2 inch over 3 foot
length.
3.Place grout box around base plate
a.Apply polyethylene film or wax to forms to prevent adhesion
of the grout
b.Provide approximately 1/8 inch gap between the box and the
base plate on all sides.
c.Remove post and base plate after confirming post
plumbness, do not adjust levelling nuts or disturb grout box position
d.Seal grout box to prevent leaking
4.Place epoxy grout into the grout box evenly until the grout level is
slightly higher than the leveling nuts and washers.
a.Do not vibrate grout.
5.Install the base plate and post into the wet epoxy grout within 5
minutes of grout placement
a.Base plate will push excess grout up above the base of the
plate all around indicating good contact between plate and grout.
6.Snug tight anchor bolts and verify plumbness.
7.Peen ends of bolt to prevent loosening.
8.Connect fence panels to posts.
C.Touch up fence components with a liquid polymer touch up coating
approved by the fence manufacturer.
END OF SECTION
Fence on Structure
Utah revises spec sections through supplementals and new editions. We check this one every week and email you the day it changes. Free, no account.
Source: Utah Standard Specifications for Road and Bridge Construction, 2026 Edition. Pages 651–658 of 1,331.
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