46-02710 Chain Link Fence.pdf
PDF 101 KB Posted
- Attached to
- Route 54 Sanitary Sewer Extension Project
- Solicitation number
- Not on record
- Issued by
- Lycoming County, Pennsylvania
About this file
This is a specification document for chain-link fence installation as part of the Route 54 Sanitary Sewer Extension Project administered by the West Branch Regional Authority in Clinton Township, Lycoming County, Pennsylvania. The work requires the furnishing and installation of eight-foot-high chain-link fence with extension arms and barbed wire, including necessary gates, posts, and concrete foundations. The fence specification calls for seven-foot-high No. 9 gauge aluminum-coated Class II chain-link wire with two-inch mesh and three lines of No. 12½-gauge barbed wire on 45-degree extension arms. Line posts shall be spaced at 10-foot or less centers and set in 12-inch diameter holes at 38-inch depth with 36-inch embedment in concrete. The exact quantity of fencing will be determined in the field based on dimensions shown in the project drawings. The sealed bid deadline for the overall project is 1:00 PM local prevailing time on Monday, February 16, 2026, with bids to be received online through PennBid.
The specification requires that all materials comply with accepted steel industry standards and ASTM A491, with mill certificates and shop drawing submittals required prior to fabrication. All posts, rails, and extension arms must be hot-dip galvanized, with top rails constructed as 1.66-inch O.D. Schedule 40 pipe and end, corner, and pull posts as 2.875-inch minimum O.D. Schedule 40 pipe. Swing gate posts must be sized according to gate width, ranging from 2.875-inch to 8.625-inch O.D. pipe. The contractor must arrange for a manufacturer's representative with a minimum of five years' experience to be present at installation commencement to instruct personnel in proper barbed wire installation, unless the contractor can demonstrate prior proven experience. The project is subject to Pennsylvania prevailing wage requirements, and a bid bond equal to ten percent of the total bid amount is required. The contractor must comply with the Pennsylvania Steel Products Procurement Act of 1978.
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Text version
SECTION 02710
CHAIN-LINK FENCE DIVISION 2
West Branch Regional Authority 02710-1 January 2026 Route 54 Sanitary Sewer Extension Project Chain-Link Fence Contract No. WB-1
PART 1 - GENERAL
1.01 DESCRIPTION OF WORK
A. Scope
1. The work covered under this section shall consist of providing all plant, labor, and material required to furnish and install the site Improvements, as set forth on the Drawings and in accordance with this section of the Specifications.
B. Related Work Specified Elsewhere in Contract Documents
1. Section 02000: Site Work General Provisions.
2. Section 03300: Cast-In-Place Concrete.
1.02 SUBMITTALS
A. Shop Drawings
1. Refer to requirements in Section 01340: Shop Drawings, Product Data and Samples.
PART 2 - PRODUCTS
2.01 CHAIN-LINK FENCE AND GATES
A. All dimensions and gauges of material are subject to accepted steel producing industry tolerance standards. Samples of each component shall be submitted for approval of the Engineer prior to fabrication and shipment of fencing for this Project. Mill certificates shall confirm compliance with these Specifications. Any material found not to be in compliance with the herein described Specifications shall be removed and replaced at Contractor's expense. Concrete for fence post foundations shall be furnished and installed in accordance with Section 03300: Cast-In-Place Concrete.
B. Chain-link fence shall be eight feet (8’) in height above grade when erected and shall include the necessary gates, posts, and fittings as specified herein. Extension arms, together with the attached barbed wire shall be considered as part of the required height of eight feet (8’).
C. The fence shall have seven-foot (7’) high No. 9 gauge wire woven in two-inch (2”) mesh and three (3) lines of No. 12-1/2-gauge barbed wire mounted on 45-degree arms turned out. The fence fabric shall be aluminum coated Class II chain-link per ASTM A491 and shall have twisted and barbed salvages both on the top and on the bottom. Wire pickets of which this fabric is made shall be capable of withstanding a tensile strength test of 90,000
West Branch Regional Authority 02710-2 January 2026 pounds per square inch, when based on the cross-sectional area of the aluminum-coated wire. Tension wire shall be seven (7) gauge aluminum coated wire attached to the bottom of fence fabric at intervals of 24 inches with hog rings.
D. All 45-degree extension arms shall be hot-dip galvanized. Those online posts shall be pressed steel. Those on end and corner posts shall be malleable iron.
E. The top rail shall be hot-dip galvanized 1.66-inch O.D. standard Schedule 40 pipe, 2.27 pounds per foot, with couplings every 20 feet. One coupling in every five shall have a heavy spring to permit expansion and contraction. The toprail shall be constructed so as to provide a continuous brace from end to end for each stretch of fence. Brace material shall be furnished of similar construction. Where a circular fence layout is shown on the Drawings, the actual fence layout may be constructed segmentally, in 20-foot chord increments, using straight top rail. The radial dimension shown on the Drawing shall be to the posts at each end of the 20-foot top rail piece. However, post spacing shall not exceed 10 feet (10’).
F. End, corner, and pull posts shall be hot-dip galvanized, 2.875-inch minimum O.D. standard
Schedule 40 pipe, 5.79 pounds per foot. Line posts shall be hot-dip galvanized, 2.375-inch minimum O.D. standard Schedule 40 pipe, 3.65 pounds per foot.
G. Swing gate frames shall be hot-dip galvanized, 2.0-inch minimum O.D. standard Schedule
40 pipe, 2.72 pounds per foot. Fabric shall be the same as that for the fence. Each gate shall be complete with malleable iron head and socket hinges, mushroom plunger rod catch (for double gates), outer gate catches and stops and shall be so arranged to permit the gate to swing back toward the fence a minimum of 130 degrees. Each gate shall be of adequate design and strength to provide satisfactory operation of the gate.
H. Swing gate posts shall be of the same material as end, corner, and pull posts and shall be sized in accord with gate frame width:
Weight
Gate Frame Width Standard Pipe Size (Lb/Ft)
Up to 5 feet 2-7/8-inch O.D. 5.79 6 feet to 13 feet 4-inch O.D. 9.11 14 feet to 18 feet 6-5/8-inch O.D. 18.97 19 feet and over 8-5/8-inch O.D. 28.55
PART 3 - EXECUTION
3.01 CHAIN-LINK FENCE AND GATES
A. The total exact quantity of fencing required shall be determined in the field, based upon dimensions shown on the Drawings or accurately scaled from the Drawings where no
West Branch Regional Authority 02710-3 January 2026 dimensions are given.
B. Chain-link fence system shall be constructed in a workmanlike manner with finished product plumb and taut and be installed in accordance with the manufacturer's recommendations.
C. Line posts shall be evenly spaced on 10-foot or less centers and plumbed vertically. After each post has been set and plumbed, the post hole shall be filled with concrete; the exposed surface of the concrete shall be troweled smooth and crowned to shed water.
D. The line and terminal posts shall be set in cylindrical holes that are 12 inches (12”) in diameter. Hole depth shall be 38 inches (38”) and post embedment shall be 36 inches (36”). Gate post settings shall be identical to that for line and terminal posts, except that the post hole shall be 12 inches (12”) greater in diameter than the post.
1. Setting Posts in Rock: Note that site conditions may require that some posts will be located in rock, the extent of which cannot be determined until after excavation and final grading. For setting posts in rock, drill holes into solid rock with a diameter of 2 inches (2”) more than the pipe outside diameter, and 18 inches (18”) deep for end, pull, corner, and gate posts, and 12 inches (12”) deep for line posts.
Set posts into holes and fill annular space with non-shrink grout. Grout shall be Sika Grout 212, Sika Corp., Masterflow 713, Master Builders, Inc. or approved equal.
E. Barbed Wire:
1. Install outriggers (extension arms) as recommended by the manufacturer, and in accordance with these specifications. Securely anchor supporting arms to posts in such a manner that will prevent easy removal with hand tools. Post tops that are not the same height as the line post at gate locations and other locations where the fence may intersect taller fence structures, shall be fitted with an arm made from 1 5/8-inch pipe and welded pipe and welded in place. The angle and length of the fitted arm shall be the same as the other standard extension arms.
2. Install barbed wire and all necessary accessories as shown on the Drawings and described herein.
3. Barbed wire or tension wire shall be stretched tight through the outer slot of each extension arm and secured in place.
4. The Contractor shall contract with the manufacturer in order to have a manufacturer's representative with a minimum of five years (5) experience on the construction site at the commencement of installation to instruct the Contractor's personnel in the proper installation of the barbed tape. This requirement may be
West Branch Regional Authority 02710-4 January 2026 waived if the Contractor can demonstrate he has prior proven experience with installation of the barbed tape.
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