Specification for Openings

The road must be reinstated to the compacted thicknesses as follows with each layer being fully compacted. Where widths do not allow a roller or vibrator onto the material, it should be compacted by means of a tamping iron.

CARRIAGEWAY

Layer

Bus Routes/
Main Roads

Other
Roads

Materials to be used

Wearing Course

40 m.m.

40 m.m.

Rolled Asphalt (CL 910)

Combined
Base Course and
Road Base

200 m.m.

160 m.m.

Dense Macadam (CL 903)

Sub-base
and Backfill

500 m.m.
minimum

500 m.m.
minimum

Type 1 granular sub-base
compacted in 100 m.m. layers (CL 803)

FOOTWAYS

Layer

Bituminous Surfaces

Slabs or
Block Paving

Granolithic

Wearing Course

30 m.m. Rolled
Asphalt (CL 910)
(See Note)

Relay identical
slabs/blocks on
40 m.m. sand

(Appendix 11/1)

40 m.m. of Granolithic
Concrete (CL 1704)

Base Course

50 m.m. Dense
Macadam (CL 906)

75 m.m. 25/37.5 m.m.
concrete (CL1704)

Road Base and
Sub-base

150 m.m. of Type 1
Granular Fill (CL 803)

150 m.m. of Type 1
Granular Fill (CL 803)

150 m.m. of Type 1
Granular Fill (CL 803)

Backfill

Varying thicknesses of Type 1 Granular Fill (CL 803)

NOTE: Prior to compaction 10 m.m. limestone chippings shall be applied at a rate of 1kg/m².

NOTES:ROADS (SCOTLAND) ACT 1984 SECTION 56 STATES

1.

No works shall be executed in, or excavation made under, a public road except with the roads authority's consent in writing and in accordance with any reasonable conditions which they think fit to attach to the consent.

NOTE:Persons contravening this section shall be guilty of an offence and shall be liable to a fine not exceeding £200 (December 1985).

2.

A person shall, as soon as reasonably practicable make good any damage to the road occasioned by the works or excavation and shall immediately thereafter give notice to the authority that the damage is made good; and until twelve months have elapsed from the authority certifying that the damage has been made good to their satisfaction the person shall maintain so much of the road as is made good.

3.

Works executed, or an excavation made, in contravention of 1 above, may be removed, or as the case may be, filled in by the roads authority who may recover such expenses as are reasonably incurred in so doing.

W528/G/0100