Energy performance of buildings. Calculation of energy needs for space heating and cooling using dynamic methods. General criteria and validation proceduresBS EN 15265: 2007 Energy performance of buildings. Calculation of energy needs for space heating and cooling using dynamic methods. General criteria and validation procedures This European Standard specifies a set of assumptions, requirements and validation tests for procedures used for the calculation of the annual energy needs for space heating and cooling of a room in a building where the calculations are done with a time step of one hour or less.

The types of polycarbonate plastic are differentiated from each other by a classification system based on appropriate levels of the designatory properties:

For such hazards additional or other measures can be necessary

BS EN 9115:2013

Added information on uninterruptable power supplies (UPS)

while ensuring the necessary audibility of alarm devices

An explanation of the underlying concepts of BS ISO 31000

This Standard provides guidance for organizations in the application of ISO 9001:2008 to the acquisition

or demand regulators in umbilical supplied apparatus beyond 60 metres

The management system specified ISO 39001 focuses the organization on its RTS objectives and RTS targets and guides the planning of activities that will realize these goals by using a Safe System approach to RTS

• Gas tightness of valves

BS EN ISO 17226-1:2019 supersedes ISO 17226-1:2008 which has been withdrawn

Note: Tiles with an area less than 4 cm2 are excluded from the measurement of length