British Standards Relevant to Agriculture

British Standard Summaries

BS1722:5 1999
Fences
Part 5: Specification for Close-Boarded Fences & Wooden Palisade Fences


The text herein is not a a full reproduction of the British Standard. It is summary based upon interpretation of the original text and not intended as a replacement for the full text. It should be used for general guidance only.

BS1722 is sub-divided into a number of individual standards concerned with fencing made from a wide range of construction materials - wire mesh, wood and steel. These can be broadly broken down as follows:

  • Parts 1 - 3 and Parts 10 & 13 - 14: Chain link or wire mesh fences
  • Part 4: Cleft chestnut pale fences
  • Parts 5 - 7 and Part 11: Board / wooden fences
  • Parts 8 - 9: Mild steel fences
  • Part 12: Steel palisade fences
  • Part 16: Organic powder coating used for plastic finishing on fence components and mesh.

BS1722:5 decribes minimum standards for materials and workmanship for close-boarded fenses and wooden palisade fences. It also specifies requirements for construction.

General

  • Ground and local conditions may determine a variation in post depth from that specifically stated in the full Standard.
  • The full Standard allocates a reference code to each fence type, dimension and design.
  • All components should be free of sharp edges and burrs.
  • Wire should conform to BS4102.
  • Barbed wire should conform to BS EN 10223-1

Concrete components

  • Concrete components should be steel reinforced concrete. Detailed specifications are given in the full Standard.
  • Dimensions for mortified concrete posts are given in the full Standard.
  • Concrete gravel boards should have a cross-section of 150 mm x 50 mm.

Timber components

  • Timber components should be sawn timber.
  • Dimensions for timber posts are given in the full Standard.
  • Details for rails, and fixing are also given in the full Standard.
  • Feather-edged boards shall be cut two ex 100 mm x 22mm and tapered from 13mm to 6mm.
  • Gravel boards should be 150 mm x 22 mm or 150mm x 32mm in cross -section.

Erection

  • The top of the fence should follow approximately the level of the ground
  • For fences with gravel boards, posts should be provided at intervals of not more than 3m.
  • For fences with out gravel boards, posts should be provided at intervals of not more than 2.4 m.
  • No fewer than 12 feather-edged boards shall be provided per metre.

A British Standard nor this summary does not, necessarily, include all the necessary information for correct implementation of the Standard to any specific application. This is purely the responsibility of the user. Standards are updated by either amendment or revision. Users should ensure that they are using the latest version.


The full text of this Standard can be obtained from the British Standard Institution

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