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BS 1722-2:2020 - TC Tracked Changes. Fences - Specification for strained wire and wire mesh netting fences, 2020
- Summary of pages
- Foreword [Go to Page]
- Publishing information
- Supersession
- Relationship with other publications
- Information about this document
- Use of this document
- Presentational conventions
- Contractual and legal considerations [Go to Page]
- Compliance with a British Standard cannot confer immunity from legal obligations.
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 4 Materials for general pattern strained wire fences [Go to Page]
- 4.1 General
- 4.2 Wire
- 4.3 Concrete posts and struts [Go to Page]
- 4.3.1 General
- 4.3.2 Materials
- 4.3.3 Tolerances on size
- 4.3.4 General construction
- 4.4 Steel posts and struts [Go to Page]
- 4.4.1 Materials and protective treatment
- 4.4.2 Tolerances on size
- 4.4.3 General construction
- 4.4.4 Fence posts and struts
- 4.4.5 Base plates and dowels
- 4.4.6 Welding
- 4.5 Timber posts and struts [Go to Page]
- 4.5.1 Materials
- 4.5.2 Tolerances on size
- 4.5.3 Timber fence posts and struts
- 4.6 Fittings [Go to Page]
- 4.6.1 Eyebolt strainers
- 4.6.2 Winding brackets [Go to Page]
- 4.6.3 Staples
- 4.6.4 Wire connectors
- 4.6.5 Nails, bolts, nuts and washers
- 4.7 Concrete surrounding bases of posts and struts
- 4 Materials [Go to Page]
- 4.1 Wire for fencing [Go to Page]
- 4.1.1 Plain wire and line wire
- 4.1.2 Barbed wire
- 4.1.3 Woven hinged joint and knotted mesh fencing
- 4.1.4 Hexagonal wire netting
- 4.2 Posts and struts [Go to Page]
- 4.2.1 General
- 4.2.2 Timber posts and struts [Go to Page]
- 4.2.2.1 Preservative treatment
- 4.2.2.2 General construction
- 4.2.2.3 Tolerances on size
- 4.2.3 Steel posts and struts [Go to Page]
- 4.2.3.1 General
- 4.2.3.2 Materials and protective treatment
- 4.2.3.3 General construction
- 4.2.3.4 Tolerances on size
- 4.2.3.5 Welding
- 4.2.3.6 Renovation of damaged areas of hot dip galvanized coating
- 4.2.4 Concrete posts and struts [Go to Page]
- 4.2.4.1 General
- 4.2.4.2 General construction
- 4.2.4.3 Tolerances on size
- 4.3 Fittings [Go to Page]
- 4.3.1 Eyebolt strainers
- 4.3.2 Winding brackets
- 4.3.3 Staples
- 4.3.4 Wire connectors
- 4.3.5 Nails, bolts, nuts and washers
- 4.3.6 Droppers
- 4.3.7 Stirrup wire
- 4.3.8 Tying wire
- 4.3.9 Netting rings
- 4.3.10 Hog rings
- 4.4 Concrete surrounding bases of posts and struts
- 5 Installation of general pattern strained wire fences [Go to Page]
- 5.1 Level
- 5.2 Posts and struts [Go to Page]
- 5.2.1 General
- 5.2.2 Straining posts
- 5.2.3 Struts
- 5.2.4 Intermediate posts
- 5.3 Strained wire [Go to Page]
- 5.3.1 Line wire [Go to Page]
- 5.3.1.1 General
- 5.3.1.2 Attachment to straining posts
- 5.3.1.3 Attachment to intermediate posts
- 5.4 Barbed wire
- 5.5 Renovation of damaged areas of hot dip galvanized coating
- 5 Installation [Go to Page]
- 5.1 General
- 5.2 Level
- 5.3 Posts and struts [Go to Page]
- 5.3.1 General
- 5.3.3 Struts
- 5.3.4 Intermediate posts
- 5.4 Strained line wire [Go to Page]
- 5.4.1 Attachment to straining posts
- 5.4.2 Attachment to intermediate posts
- 5.5 Barbed wire
- 6 Materials for dropper pattern fences [Go to Page]
- 6.1 Wire
- 6.1.1 Line wire
- 6.1.2 Stirrup wire
- 6.1.3 Barbed wire
- 6.2 Concrete components
- 6.3 Steel components
- 6.4 Timber components
- 6.5 Fittings
- 6.5.1 Eyebolt strainers
- 6.5.2 Winding brackets
- 6.5.3 Staples
- 6.5.4 Wire connectors
- 6.5.5 Nails, bolts, nuts and washers
- 6.5.6 Droppers
- 6.6 Concrete surrounding bases of posts and struts
- 6 Installation of high‑tensile mesh fences [Go to Page]
- 6.1 Level
- 6.2 Posts and struts [Go to Page]
- 6.2.1 General
- 6.2.2 Straining posts, turning posts and contour posts
- 6.2.3 Struts
- 6.2.4 Intermediate posts
- 6.2.5 Mesh and netting [Go to Page]
- 6.2.5.1 Rectangular wire mesh
- 6.2.5.2 Hexagonal wire netting
- 6.2.6 Barbed wire
- 7 Installation of dropper pattern fences [Go to Page]
- 7.1 Line
- 7.2 Posts and struts
- 7.2.1 Straining posts
- 7.2.2 Struts
- 7.2.3 Intermediate posts
- 7.3 Strained wire and droppers
- 7.3.1 Line wire: General
- 7.3.2 Attachment of line wires to straining posts
- 7.3.3 Attachment of line wire to intermediate posts
- 7.3.4 Droppers
- 7.3.5 Line wire tension
- 7 Installation of mild steel wire mesh fences [Go to Page]
- 7.1 Level
- 7.2 Posts and struts
- 7.3 Strained wire and mesh [Go to Page]
- 7.3.1 Rectangular wire mesh [Go to Page]
- 7.3.1.1 General
- 7.3.1.2 Attachment to straining posts
- 7.3.1.3 Attachment to intermediate posts
- 7.3.2 Hexagonal wire netting [Go to Page]
- 7.3.2.1 General
- 7.3.2.2 Attachment of line wire to straining posts
- 7.3.2.3 Attachment of line wire to intermediate posts
- 7.3.2.4 Attachment of netting
- 7.3.3 Barbed wire
- 8 Materials for general pattern wire mesh fences [see Figure 3d)] [Go to Page]
- 8.1 Wire
- 8.1.1 General
- 8.1.2 Rectangular wire mesh
- 8.1.3 Hexagonal wire netting
- 8.1.4 Stirrup wire
- 8.1.5 Tying wire
- 8.1.6 Barbed wire
- 8.1.7 Line wire
- 8.2 Concrete components
- 8.2.1 General
- 8.2.2 General construction
- 8.2.3 Fence posts and struts
- 8.3 Steel components
- 8.3.1 Materials and protective treatment
- 8.3.2 Tolerances on size
- 8.3.3 General construction
- 8.3.4 Fence posts and struts
- 8.3.5 Base plates and dowels
- 8.3.6 Welding
- 8.4 Timber components
- 8.5 Fittings
- 8.5.1 Eye bolt strainers
- 8.5.2 Winding brackets
- 8.5.3 Stretcher bars
- 8.5.4 Netting rings
- 8.5.5 Hog rings
- 8.5.6 Staples
- 8.5.7 Bolts, nuts, washers and nails
- 8.6 Concrete surrounding bases of posts and struts
- 8 Installation of dropper pattern fences
- 9 Installation of general pattern wire mesh fences [Go to Page]
- 9.1 Line
- 9.2 Posts and struts
- 9.3 Strained wire and mesh
- 9.3.1 Rectangular wire mesh and hexagonal wire netting with 3 ply selvedges [Go to Page]
- 9.3.1.1 General
- 9.3.1.2 Attachment to straining posts
- 9.3.1.3 Attachment to intermediate posts
- 9.3.2 Hexagonal wire netting without 3-ply selvedges [Go to Page]
- 9.3.2.1 General
- 9.3.2.2 Attachment to straining posts
- 9.3.2.3 Attachment to intermediate posts
- 9.3.2.4 Netting
- 9.3.3 Barbed wire
- 129 Statement of conformity [Go to Page]
- 12.19.1 Fence manufacturer
- 12.29.2 Fence installer
- 12.39.3 Certificate
- 12.49.4 Statement
- 10 Materials for spring steel and high tensile mesh fences [Go to Page]
- 10.1 Wire
- 10.1.1 General
- 10.1.2 Barbed wire
- 10.1.3 Line wire
- 10.1.4 High tensile rectangular wire mesh
- 10.2 Timber components
- 10.3 Fittings
- 10.3.1 General
- 10.3.2 Wire connectors
- 10.3.3 Preformed lashing rods used to attach rectangular wire meshes to line wires
- 10.4 Concrete surrounding bases of posts
- 11 Installation of spring steel and high tensile mesh fences [Go to Page]
- 11.1 Line
- 11.2 Posts and struts
- 11.2.1 General
- 11.2.2 Straining posts, turning posts and contour posts (see Figure 5)
- 11.2.3 Struts
- 11.2.4 Intermediate posts (stakes)
- 11.3 Strained wire and mesh
- 11.3.1 Line wires [Go to Page]
- 11.3.1.1 General
- 11.3.1.2 Straining posts
- 11.3.1.3 Contour posts, turning posts and intermediate posts
- 11.3.2 Mesh and netting
- 11.3.3 Barbed wire
- Annex A (informative) [Go to Page]
- A.1 General
- A.2 Moisture meter method [Go to Page]
- A.2.1 Apparatus
- A.2.2 Sample selection
- A.2.3 Procedure
- A.3 Oven-dry method [Go to Page]
- A.3.1 Apparatus
- A.3.2 Sample selection
- A.3.3 Procedure
- Annex B (normative) [Go to Page]
- B.1 Material form
- B.2 Material grades
- B.3 Protective treatment
- Annex AAnnex C (normative) [Go to Page]
- A.1C.1 Materials [Go to Page]
- A.1.1C.1.1 Cement
- A.1.2C.1.2 Aggregate
- A.1.3C.1.3 Admixtures [Go to Page]
- A.1.4 Chloride content
- A.1.5C.1.4 Reinforcement
- A.2C.2 Moulds
- A.3C.3 Manufacture [Go to Page]
- A.3.1C.3.1 Mixing, placing and compaction [Go to Page]
- A.3.2 Placing and compaction
- A.3.3C.3.2 Location of reinforcement
- A.3.4C.3.3 Protection from freezing
- A.3.5C.3.4 Maturing
- A.4C.4 Surface characteristics [Go to Page]
- A.4.1 Surface finish as cast
- A.4.2 Surface finish as treated
- A.5C.5 Tests
- A.6C.6 Product information
- Annex D (informative)
- Measuring line wire tension
- Annex E (informative) [Go to Page]
- E.1 General
- E.2 Site conditions
- E.3 Construction of rectangular wire mesh and hexagonal wire netting fence
- E.4 Construction of line wire fence with or without droppers
- E.5 Other considerations
- Bibliography [Go to Page]
- Standards publications
- Other publications
- 30428939-Tracked_Changes_Cover_Markup_new.pdf [Go to Page]
- compares BS 1722-2:2020 [Go to Page]
- TRACKED CHANGES
- Text example 1 — indicates added text (in green)
- 30394934-WEB.pdf [Go to Page]
- Foreword
- Introduction
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 4 Materials [Go to Page]
- 4.1 Wire for fencing
- Table 1 — Typical spacings for strained line wire fences
- Table 2 — Typical applications and dimensions of strained wire and wire mesh netting fences
- 4.2 Posts and struts
- Table 3 — Typical sawn timber fence posts and struts
- Table 4 — Typical round timber fence posts and struts
- Table 5 — Typical steel fence posts and struts
- Table 6 — Typical dimensions of concrete fence posts and struts
- 4.3 Fittings
- 4.4 Concrete surrounding bases of posts and struts
- 5 Installation [Go to Page]
- 5.1 General
- Figure 1 — Wire mesh netting fence
- 5.2 Level
- 5.3 Posts and struts
- Figure 2 — Example positions of straining/turning posts at changes of direction (not to scale)
- 5.4 Strained line wire
- 5.5 Barbed wire
- 6 Installation of high-tensile mesh fences [Go to Page]
- 6.1 Level
- 6.2 Posts and struts
- 7 Installation of mild steel wire mesh fences [Go to Page]
- 7.1 Level
- 7.2 Posts and struts
- 7.3 Strained wire and mesh
- 8 Installation of dropper pattern fences
- 9 Statement of conformity [Go to Page]
- 9.1 Fence manufacturer
- 9.2 Fence installer
- 9.3 Certificate
- 9.4 Statement
- Annex A (informative) Determination of moisture content for timber [Go to Page]
- Table A.1 — Determination of moisture content of timber to be treated for use in fencing
- Annex B (normative) Steel components and protective treatment [Go to Page]
- Table B.1 — Recommended steel grades
- Annex C (normative) Concrete components
- Annex D (informative) Measuring line wire tension [Go to Page]
- Figure D.1 — An example of a wire tension gauge
- Annex E (informative) Specifying a strained wire fence
- Bibliography [Go to Page]