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BS 4008:2006 Specification for cattle grids, 2006
- Contents [Go to Page]
- 1 Scope 1
- 2 Normative references 1
- 3 Terms and definitions 2
- 4 Animal welfare 2
- 5 Siting 3
- 6 Materials 3
- 7 Geometry 5
- 8 Design 7
- 9 Highways 9
- Annex A (informative) Recommendations on the use, location, design, construction and maintenance of cattle grids 12
- Bibliography 17
- List of figures
- Figure 1 - Typical cattle grid layout 10
- Figure 2 - Typical detail of cattle grid 11
- Foreword
- 1 Scope
- 2 Normative references
- 3 Terms and definitions [Go to Page]
- 3.1 cattle grid
- 3.2 transverse members
- 3.3 pit
- 3.4 stock
- 3.5 side walls
- 3.6 end walls
- 3.7 intermediate supports
- 3.8 guard fence
- 3.9 by-pass facilities
- 4 Animal welfare [Go to Page]
- 4.1 General
- 4.2 Small animal ramps [Go to Page]
- 4.2.1 Location
- 4.2.2 Access
- 5 Siting [Go to Page]
- 5.1 General
- 5.2 Gradients
- 5.3 Visibility
- 6 Materials [Go to Page]
- 6.1 General
- 6.2 Safety
- 6.3 Toxicity
- 6.4 Concrete
- 6.5 Masonry
- 6.6 Aluminium
- 6.7 Steel [Go to Page]
- 6.7.1 General
- 6.7.2 Protection [Go to Page]
- a) continuously hot-dip zinc or zinc alloy coating as specified in BS EN 10143, before fabrication;
- b) hot-dip galvanizing as specified in BS EN ISO 1461, or sheradized coating as specified in BS 4921, after fabrication;
- c) one works coat of a paint complying with BS 1070 or of a solution complying with type 1 of BS 3416;
- d) one works coat of red oxide primer or a suitable equivalent;
- e) tube or structural hollow section supplied, before fabrication, in the galvanized condition in accordance with BS EN 10240.
- 6.8 Timber
- 7 Geometry [Go to Page]
- 7.1 Relationship to road profile
- 7.2 Pit length (distance between end walls)
- 7.3 Pit width (distance between side walls)
- 7.4 Pit depth (distance from top surface of transverse members to the pit base)
- 7.5 Spacing of transverse members
- 7.6 Distance between supports/stiffeners
- 8 Design [Go to Page]
- 8.1 General
- 8.2 Loadings
- 8.3 Deflections
- 8.4 Transverse members
- 8.5 Supports and longitudinal stiffeners to transverse members
- 8.6 Approach aprons
- 8.7 Drainage
- 8.8 Warning notices and signs
- 8.9 Guard fences
- 8.10 By-pass facilities
- 9 Highways [Go to Page]
- Figure 1 Typical cattle grid layout
- Figure 2 Typical detail of cattle grid
- Annex A (informative) Recommendations on the use, location, design, construction and maintenance of cattle grids [Go to Page]
- A.1 General
- A.2 Stock suitability
- A.3 Animal welfare
- A.4 Siting
- A.5 Materials [Go to Page]
- A.5.1 General
- A.5.2 Timber [Go to Page]
- a) 7 days have elapsed after date of treatment; and
- b) the timber has been hosed down with clean water to remove surface deposits.
- A.5.3 Material interfaces
- A.6 Determined stock
- A.7 Maintenance
- A.8 Fixings
- A.9 Drainage
- A.10 Warning notices and signs
- A.11 Guard fences
- A.12 By-pass facilities
- Bibliography [Go to Page]
- [1] GREAT BRITAIN. Traffic Signs Regulations and General Directions 2002. London: The Stationery Office.
- [2] GREAT BRITAIN. Highways Act 1980. London: The Stationery Office.
- [3] GREAT BRITAIN. Roads (Scotland) Act 1984. London: The Stationery Office.
- [4] GREAT BRITAIN. Animals Act 1971. London: The Stationery Office. [Go to Page]