Declaration
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Requirements
4.1 Timber pieces
4.1.1 Permitted species
4.1.2 Grading
4.1.3 Moisture content
4.1.4 Dimensions
4.1.5 Geometry of posts
4.1.6 Geometry of rails
4.1.7 Geometry of retaining boards and top boards
4.1.8 Preservation of timber pieces
4.2 Concrete
4.3 Ancillaries
4.3.1 Nails
4.3.2 Staples
4.3.3 Specialised horse fencing wire
4.3.4 Electric horse fencing tape
4.3.5 Electric horse fencing rope
4.3.6 Electric fencing energisers
4.3.7 Installation requirements for mains-operated electric
fence units and fence wire
5 Test methods
5.1 Moisture content
5.1.1 Test pieces
5.1.2 Method
5.1.3 Test results
6 Fencing arrangements
7 Marking
7.1 Timber bales
7.2 Ancillaries
8 Packaging, transport and on-site storage
8.1 Timber pieces
8.2 Ancillaries
9 Erection of fencing by driving of posts
9.1 Materials
9.2 Line and level
9.3 Setting out
9.4 Existing fences and openings
9.5 Cutting of members on site
9.6 Posts
9.7 Driving of posts
9.8 Fixing to posts
9.8.1 Nailing of rails to posts
9.8.2 Nailing of top board to posts
9.8.3 Nailing of retaining boards to posts
Annex A (informative) Fencing arrangements for horses
Annex B (informative) Decision process for determining timber
preservation requirements for timber posts, rails,
retaining boards and top boards
Annex C (normative) Timber preservation
C.1 Factors affecting choice of preservative treatment
C.1.1 General
C.1.2 Components
C.1.3 Use class
C.1.4 Desired service life
C.1.5 Natural durability of timber
C.2 Recommended levels of preservative treatment
C.2.1 General
C.2.2 Creosote
C.2.3 New generation preservative treatments
C.3 Sampling and testing
Bibliography