Resources

This specification guidance notes sets out the requirements and standards of work to maintain the maintenance aggregate of an unsealed road carriageway including running surface, shoulders, feather edges and surface water channels.

This specification sets out the requirements for repairs to the pavement structure in unsealed roads, where a digout is required.

HM23 Unsealed pavements replaces specifications TNZ C11, C12, C13 and C14.

This specification sets out the requirements for the supply, cartage and laying of maintenance aggregate for unsealed roads, including preparation of the surface prior to laying.

This specification and guidance notes set out the requirements and maintenance standard for the repair of potholes in unsealed roads.