Thursday 3 June 2010

HA TABLE 71

Table 7/1

Road Surfaces

± 6mm

Basecourse

± 6mm

Upper roadbase in pavements without basecourse

± 8mm

Roadbase other than above

± 15mm

Sub-base under concrete pavement surface slabs laid full thickness in one operation by machines with surface compaction

± 10mm

Sub-bases other than above

+10mm

- 30mm

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