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eLibrary > BS 1722-2:2020 - TC Tracked Changes. Fences - Specification for strained wire and wire mesh netting fences >

BS 1722-2:2020 - TC Tracked Changes. Fences - Specification for strained wire and wire mesh netting fences, 2020

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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]

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