Methods of measuring irregularities on surfaces of roads, footways and other paved areas using straightedges and wedges1 Scope This British standard describes methods of measuring irregularities on surfaces of roads, footways and other paved and trafficked areas using straightedges and wedges other than those described in Bs EN 130367. It describes apparatus and procedures for measuring: a) single irregularities that are attributable to quality defects in new surface course(s) as well as in service surfaces; b) rut depths and trench reinstatements of in service roads;

Manufacturers of Electrically operated blood storage refrigerators

either in time or in space

Testing laboratories

BS 4591 applies to volatile organic liquids that (excluding petroleum products) have a boiling point in the range of 30 to 300 °C approximately and are stable during distillation in atmospheric conditions

BS IEC 60748-23-3 provides guidance to users of hybrids in terms of the visual inspection standards to be expected

The tests involve exposing test specimens of textiles to the action of selected test strains of microfungi for specified or agreed periods under specified temperature and humidity

Descriptions for intermediate coats and topcoats

thereby improving the probability of successfully escaping from a submerged rotorcraft cabin

the remainder of the building may be constructed in accordance with the relevant clauses of this standard

manufacturers and service providers

h)     Correction of the references

– meters intended to be used indoors and outdoors