Refer to the following other Reference Specifications:
S110 General Requirements
S120 Quality
S140 Earthworks
S160 Drainage
S200 Concrete Work
S300 Quarry Products
S310 Supply of Dense Graded Asphalt
S320 Laying of Asphalt
BSD-2042 – Road Crossing Trench Restoration Flexible Pavement
BSD-2043 – Trench Restoration Verges and Paths
1.5Definitions
Major roads: arterial roads, suburban roads, district roads, primary freight routes, primary freight accesses and neighbourhood roads.
Minor roads: local streets and laneways.
Non-rippable material: As defined for confined excavation in Clause 7.8 of Reference Specification S140 Earthworks.
Subgrade: The prepared formation on which a pavement or slab is constructed or the top portion of earthworks immediately below the pavement or slab. Subgrade is considered to be the top 150 mm in cuttings and the top 300 mm in embankment unless stated otherwise.
Relative compaction: The ratio between the field bulk density and the bulk density of the material when compacted in the laboratory.
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