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Provides design charts for the flow of liquid through pipes and fittings based upon surface roughness, diameter, velocity and hydraulic gradient. The resistance coefficients of fittings are also included.

Sets out the method for testing aggregate or rock for resistance to wear using the Deval attrition machine, and for measuring the attrition value of freshly crushed rock.

This Standard sets out the method for the determination of the fine particle size distribution in road materials.

This Standard sets out the method for determining the initial rate of absorption (suction) of masonry units.

This Standard sets out the method for the determination of the amount of sulfur in metallurgical slag, crushed rock or other pavement materials expressed as total sulfur content and acid soluble sulfate content.

This Standard sets out the method for determining the lateral modulus of rupture of masonry units.

Identically adopts EN 81 21:2018, specifying safety rules related to new passenger and goods/passenger lifts permanently installed in existing buildings where in some circumstances due to limitations enforced by building constraints, some requirements of EN 81 20:2014 cannot be met. Covers constraints and gives requirements for alternative solutions. Intended to be read and applied in conjunction with EN 81 20:2014.

Specifies requirements for the design, installation, maintenance and testing of lightning protection on common structures, and for electrical and electronic systems within those structures for the protection of people and property from the hazards of lightning.

Specifies requirements for the design and use of safety signs intended for use in the occupational environment to regulate and control safety related behaviour, to warn of hazards and to provide emergency information including fire protection information.

The objective of this Standard is to provide guidance on auditing management systems, including the principles of auditing, managing an audit programme and conducting management system audits, as well as guidance on the evaluation of competence of individuals involved in the audit process. These activities include the individual(s) managing the audit programme, auditors and audit teams.