To ensure you get the best experience, this website uses cookies.
- The required performance properties are to be set by agreement with the authority.
- Certificated TSCS must comply with MCHW Clause 942 or the authority’s specification.
- SMA mixtures must match the existing nominal size aggregates except for when hand-laying, where mixtures with 10 mm nominal aggregate size must be used to reinstate the existing SMA materials with 20 mm and 14 mm nominal aggregate size. SMA incorporating PMB may only be hand-laid by agreement.
- A2.2.3
-
Roads Type 0 and 1
- The permitted mixtures are:
- a) SMA 14 surf PMB
- b) SMA 14 surf 40/60
- c) SMA 10 surf PMB
- d) SMA 10 surf 40/60
all with wheel tracking requirements meeting classification 2.
- Alternative permitted mixtures subject to the authority’s approval are:
- e) SMA 6 surf PMB
- f) SMA 6 surf 40/60
both with wheel tracking requirements meeting classification 2.
- A2.2.4
-
Roads Type 2, 3 and 4
The permitted mixtures are:
- a) SMA 14 surf PMB or 40/60 or 100/150
- b) SMA 10 surf PMB or 40/60 or 100/150
Alternative permitted mixtures subject to the authority’s approval are:
- c) SMA 6 surf PMB or 40/60 or 100/150 (see S6.4.3 to S6.4.6)
- A2.2.5
-
Footways, footpaths and cycle tracks
The permitted surface course mixtures, unless advised otherwise by the authority, are:
- SMA 6 surf 40/60
- SMA 6 surf 70/100
- SMA 6 surf 100/150
