8641 Kerbs and channels (2) Kerbs, gutters and channels of stone, concrete, precast concrete and brick etc. 8642 Asphaltic concrete carriageway surfacing (0) Roads, paths, pavings and surfacings of hot mix asphalt, dense graded, open graded, stone mastic and fine graded asphalt 8643 Sprayed bitumen surfacing (0) Roads, paths and pavings finished with sprayed bitumen 8644 Bituminous cold mix surfacing (0) Bituminous cold mix slurry surfacing, including slurry seal, microsurfacing, wearing surface, for roads, carparks, cycleways, footpaths. 8645 Concrete roads and paving (1) In situ concrete roads, paths and external pavings 8646 Loose metal roads and paving (0) Sealed or unsealed roads, paths and surfacings of gravel or uncoated stone