02824_Wire_Fence_and_Gates.docx

SECTION 02824

WIRE FENCES AND GATES

PART 1: GENERAL

1.1 SUMMARY

A. Section Includes: Installing 4 strand barbed wire, steel posts and wire gates, 3-post corner braces, and stress panels. Remove existing wire fence and dispose of properly.

B. Related Sections:

General Information and Requirements Section 01009

1.2 SUBMITTALS

A. General: Submittals shall be according to Section 01009 - General Information and Requirements.

1.3 QUALITY ASSURANCE

A. General: Contractor – All work will be inspected by the Contracting Officer’s Representative before acceptance.

PART 2: PRODUCTS

2.1 CONTRACTOR FURNISHED MATERIALS

The contractor will provide all materials for the fences in this contract.

PART 3: EXECUTION

3.1 PREPARATION

A. Clearing: No blading will be allowed. Cutting and clearing shall be by hand cutting (chain saws included) or mowing. Dispose of cut brush by scattering it evenly adjacent to the fence line.

3.2 INSTALLATION

A. General:

1. Steel posts shall not be used for endpanel, cornerpanel, gatepanel, or stresspanel posts.

2. When treated members must be bored or cut during construction, thoroughly swab untreated surfaces with copper naphthenate.

B. Ratio of Wood to Steel Line Posts: N/A

C. Driving Posts:

1. Wood Posts: Driving wood posts shall not be allowed.

2. Steel Posts: Drive into the ground to the depth shown on the drawings or until the anchor plate is slightly below the ground surface. Posts shall be driven plumb. When rock formations prevent driving, remove anchor plate, and excavate or drill holes a minimum of 18-inches deep and slightly larger than the diameter of the post. Place posts in the holes and grout the post solidly in position.

D. Setting Posts: Dig holes for setting wood posts to the depth as shown on the Work Data Sheet. Set posts plumb and to the spacing and grades as shown on the drawings, unless staked otherwise. Space within 6- inches of the dimension shown on the drawings or in the Work Data Sheet. Holes shall provide adequate open space around the post so backfill can be tamped the full depth around the post. Backfill with soil gradually and uniformly around each post. Compact backfill firmly from the bottom of the hole to the ground surface.

E. Corner Post, Gate Post, Corner Panel, Brace, End Panel, and Stress Panel Assemblies: Construct as shown on the drawings or as staked in the field. Rock jacks shall not be substituted for these items. Construct stress panels on crests of hills, and a maximum of 1320 ft center-to-center for barbed wire sections. In addition, stress panels are required at points between which wire is to be stretched.

F. Wire: Stretch tightly and staple to wood posts or securely attach to steel posts with standard wire clips. Wire is properly stretched when it is springy to the touch. Drive staples crosswise with the grain of the wood. The wire shall be free to move through the staples as it expands and contracts. Terminate wire at each end post, gate post, corner post, or stress panel. Wrap wire around the post two times and tie off by wrapping around the incoming wire a minimum of four times.

H. Brace Wire: Twist tight with a lever. Leave one end of the lever long enough to fasten behind the horizontal brace to prevent wire from unwinding. Two wraps of smooth wire is required.

1. The lever shall be a straight ridged rod, consisting of dimension wood ripped and cut to length or a minimum #4 rebar cut to length.

I. Gates: Installed according to the Work Data Sheet, the drawings, and as recommended by the manufacturer when applicable.

J. Mechanical Gate Closers: Line up the latch with the gate. Adjust latch assembly after installation so that the latch does not bind, and the gate hangs properly.

K. Spiking: For spikes larger than 40d, predrilled lead holes shall be used. The hole diameter shall be 3/4 the diameter of the spike and drilled to a depth no greater than 1/2 the length of the spike.

L. Minor Drainage Crossings: Additional steel posts shall be set at the top and bottom of breaks or the centerline of the drainage depending on the size and shape of the drainages. Additional wire shall start and end from the main fence. Shall be in locations staked in the field or as directed by the Contracting Officer.

M. Fence Stays: Fence stays shall not be used in this Contract.

PART 4: MEASUREMENT AND PAYMENT

4.1 METHOD OF MEASUREMENT

A. Units: The work described in this section will not be measured for payment.

4.2 BASIS OF PAYMENT

A. Payment: No direct payment for the work described under this section will be made. Consideration for this item shall be included in the bid price for other items of the Contract.

END OF SECTION