Methods of measuring irregularities on surfaces of roads
BS 8420-2003 pdf free.Methods of measuring irregularities on surfaces of roads, footways and other paved areas using straightedges and wedges. 3.2.1 The type I straightedge (3.1.1) shall be used only in conjunction with wedge A (3.1.2) and they shall be permanently marked with the same unique reference. 3.2.2 Ensure that the surface to be measured is free from detritus. 3.2.3 […]
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