Unplasticized poly(vinyl chloride) (PVC-U) pipes. Dichloromethane resistance at specified temperature (DCMT). Test methodWhat is this standard about? This International Standard specifies a method for determining the resistance of unplasticized poly(vinyl chloride) (PVC U) pipes to dichloromethane at a specified temperature (DCMT). It is applicable to all PVC U pipes, irrespective of their intended use. The method can be used as a rapid means of quality control during manufacture. NOTE The temperature of the dichloromethane up to which the pipe shall not be attacked is

It also specifies the requirements for the complaints management system to be set up by the service provider

- Information and requirements to be agreed and to be documented

and sets the benchmark for structural materials

It also gives recommendations for lighting in areas with fixed seating

BS 4250 sets out the most up-to-date requirements relating to the use of commercial propane and butane gas

Daylight and room brightness

Evaporated milk and sweetened condensed milk

The ability to demonstrate best value for money within a constrained funding regime

and to give a methodology for a numeric indicator of energy performance of buildings

but are equally applicable to other systems

Contents of BS ISO 20121:

DD 263 gives recommendations for the commissioning