2015 Georgia Grazing School: Choosing the right fence, fence charger, and wire or tape for your grazing system

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Joella Millicent Mathews
6 years ago
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Choosing the Right Fence, Charger, and Wire or Tape for

Systems Plan the system before building Choose the

Perimeter Fence vs. Cross Fencing John W.

wire, woven wire) w/ barbed wire at top Perimeter and

Barbed wire Where electric doesn t work well Swampy,

1 Choosing the Right Fence, Charger, and Wire or Tape for Your Grazing System 2015 Georgia Grazing School Fencing Systems Plan the system before building Choose the right materials Use the right construction techniques Perimeter Fence vs. Cross Fencing John W. Worley Types of Fences Field Fence (Page wire, hog wire, woven wire) w/ barbed wire at top Perimeter and baby calf areas and near busy roads Types of Fences Barbed wire Where electric doesn t work well Swampy, heavily vegetated areas Types of Fences Electric (Note vinyl coated wire) Electric Tape 1

Wire vs Tape Wire Types Steel (Low Carbon vs High Tensile) Single, barbed, woven Galvanizing (Class I or Class III) Vinyl

4 lb/ft 3 ) Ground Contact CCA is preferred Untreated (Landscape Timbers are untreated or lightly treated) Steel (Painted

High Tensile, Class III Galvanized Steel or Treated Wood Posts Class III galv.

2 Wire vs Tape Wire Types Steel (Low Carbon vs High Tensile) Single, barbed, woven Galvanizing (Class I or Class III) Vinyl Coated (including conductive) Electric Tapes and Ropes Temporary Permanent Post Types Wood Treated (at least 0.4 lb/ft 3 ) Ground Contact CCA is preferred Untreated (Landscape Timbers are untreated or lightly treated) Steel (Painted or Galvanized) Plastic (Temporary electric) Fiberglass Sucker Rod (High Density FG) Materials Perimeter Fencing Recommend High Tensile, Class III Galvanized Steel or Treated Wood Posts Class III galv. staples (1 ¾ ) Cross Fencing If truly temporary, use plastic posts and electric rope or tape Components with Similar Lives Painted Posts with Class III Painted Posts with Class III 2

3 Galvanized Posts with Class I Galvanized Posts with Class I Painted Posts, Class I woven wire, Class III barbed wire Fence Chargers (Controllers, Energizers) Look for Low-Impedance charger Look for ratings at different loads (ohms) 50,000 ohms (fence in good condition) 5,000 ohms 500 ohms 100 ohms (fence in poor condition) At least 1000 ohms 3

10000 8000 6000 4000 Cost per Mile Woven Wire

2000 0 $/Mile Strongest Brace Top member 2 to 2

4 Cost per Mile Woven Wire Barbed Wire Electric BRACES and INSTALLATION $/Mile Strongest Brace Top member 2 to 2 1/2 x height of fence H Brace Pinning Braces Min. 8 ft. Min. 3 ft. 3/8 Galvanized Rod Pinning Braces Allow wires to slip Installing Brace Wire 4

5 Not Recommended Nailed Braces Not Recommended Nailed Braces Installing Brace Wire Tensioning the wire brace Pass-thru Line Brace Not recommended Photo courtesy of NRCS Wire Wrapped Around Post Line Brace Correct Line Brace Each end wrapped around center post Can go 660 ft between braces if terrain allows and properly constructed. 5

Need Larger Post Not as Strong Easier to Build Dead-Man Brace Leave

from slashes) Right for right-handed staples Left for left-handed 1

wooden posts are stronger Drive Small End Down Proper Tamping

of charger is vital 3 or more 8-ft rods 10 ft apart Separate from

Over Ground Alternate Wires Lightning Protection Good grounding is

6 Need Larger Post Not as Strong Easier to Build Dead-Man Brace Leave Wire Loose Only Horizontal Wires Rotate from Vertical (Rotate away from slashes) Right for right-handed staples Left for left-handed 1 3/4 Galvanized Staples Stapling Technique Post Installation Driven wooden posts are stronger Drive Small End Down Proper Tamping Procedure Post Installation Electric Fence Grounding Proper grounding of charger is vital 3 or more 8-ft rods 10 ft apart Separate from other electrical grounds Drive and connect all rods Never Concrete Over Ground Alternate Wires Lightning Protection Good grounding is essential Nothing is Lightning Proof Use devices sold by charger manufacturer to maintain warranty 6

7 Lightning Protection Choke and Lightning Arrestor Separate (Better) Grounding System Protect Source side as well as fence side Protection at Power Source Energizer Energizer Ground Cut-out Switch Choke Lightning Arrestor Lightning Ground QUESTIONS? 10-ft apart At least 50 ft 10-ft apart 8-ft Rods 7

SECTION 1043 FENCE MATERIAL

SECTION 1043 FENCE MATERIAL 1043.1 Scope. This specification covers the material required in the construction of chainlink fence and woven wire fence. 1043.2 Basis of Acceptance. The basis of acceptance