2. Fencing
W.Open type fencing
W.2 Post -and-wire fencing
Post-and-wire fencing shall be given in meters stating
the height of the fencing, the gauge and number of
line wires, the method of attaching the line wires to
the posts and the method of straining. Barbed wire
shall be described stating the spacing of the points.
3. W.3 Post and rail fencing
Post-and-rail fencing shall be given in meters stating
the height of the fencing, the size and number of
horizontal rails and the method of fixing the rails to
the posts.
Fencing
4. W.4 Chain link and wire mesh fencing
Chain-link fencing and wire-mesh fencing shall each be
given separately in metres stating the height of the
fencing, the gauge and number of line wires, the method of
attaching the line-wires to the posts, the size of mesh and
gauge of wire in the fabric and the method of attaching the
fabric to the line wires.
Fencing
5. W.5 Cleft pale fencing
Cleft-pale fencing shall be given in metres stating the
height of the fencing, the spacing of the pales, the
number of lines of binding wire and the method of
fixing the binding wires to the posts.
Fencing
6. W.6 Palisade fencing
Palisade fencing shall be given in metres stating the
height of the fencing, the size and the number of
horizontal rails, the method of fixing the rails to the posts,
the size and spacing of the pales, the treatment of the tops
(e.g. pointed, shaped, etc.) and the method of fixing the
pales to the rails.
Fencing
7. W 7 Metal bar fencing
1. Metal bar fencing shall be given in metres stating the
height of the fencing, the size, spacing and arrangement of
the bars, the treatment of the tops of the bars (e.g. pointed,
shaped, etc.) and the size and number of the rails, the
method of assembling (e.g. riveted, welded, etc.) and the
method of fixing rails to the posts. Side-stays, back-stays
and struts shall each be deemed to be included.
Fencing
8. Close type fencing
W.8 Close -boarded fencing
Close-boarded fencing shall be given in metres stating the
height of the fencing, the size and number of horizontal
rails, the method of jointing the rails to the posts, the type
of boarding, (e.g sawn or cleft) the type of joint between
boards and the method of fixing the boarding to the rails.
Weathered capping and supporting fillets shall be given in
the description stating the size of the members and the
method of fixing to the boarding.
Fencing
9. W.9 Built up concrete fencing
Built-up concrete fencing shall be given in metres stating the
height of fencing, the size and
thickness of the infilling units between posts, the method of
jointing the units to the posts, the
size of cappings and the method of fixing the cappings to the
infilling units.
Fencing
10. W.10 Corrugated fencing
Corrugated fencing shall be given in metres stating the
height of the fencing, the size and the number of
horizontal rails, the method of fixing the rails to the posts,
the kind and gauge or thickness of the corrugated sheeting,
the extent of the laps in the sheeting, the treatment of the
tops of the corrugations and the method of fixing the
sheeting to the rails.
Fencing
11. Gates
W.11 Generally
1. Gates shall be enumerated stating the size and the
method of construction. Hinges, locks, fastenings and the
like shall be given in the description. Gate-posts (other
than those forming part of the fencing) shall be
enumerated stating the size. Holes for gate-posts shall be
given in accordance with clause W.14.
2. Wicket gates shall be enumerated as extra over the
item in which it occurs stating the size, method of
assembly, fixing including framing, accessories, etc.
3. Gate-steps, gate-catches and independent gate-stays
shall each be enumerated separately stating the method
of fixing. Excavating and bedding in concrete shall be given
in the description stating the composition and mix of the
concrete.
16. SAMPLE SPECIFICATIONS
Mild Steel Post and Bracings
2.1 Unless otherwise shown in the Drawings, mild
steel angle posts and bracings shall be of size 57mm x
57mm x 6mm. All steel members for fencing and
gates shall be free from rust, scales and other defects
and shall be to the approval of the S.O. Previously
used steel members shall not be used in the
construction of new fencing and gates. Before
delivery to the Site, the steel members for fencing and
gates shall be precut and assembled at the
Contractor's workshop and painted with one coat of
approved metallic primer.
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17. SAMPLE SPECIFICATIONS
Chain Link Mesh, Straining
3.1 Chain link mesh, straining wires and barbed wires
shall be made of galvanized steel and of approved quality.
The mesh shall be of size 64mm made up of 3.25mm (10
gauge) diameter wire. Straining wires shall be of 4.06mm
(8 gauge) diameters and barbed wires shall be of 2.64mm
(12 gauge) diameters.
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