Structural use of timber. Fire resistance of timber structures - Recommendations for calculating fire resistance of timber stud walls and joisted floor constructionsBS 5268 4. 2: 1990 gives recommendations for calculating the fire resistance of timber framed walls and partitions and joisted floors as an alternative to testing. The recommendations are applicable to single and double leaf walls and partitions; and to floors in which the joists are fully or partly concealed. The recommendations are applicable to loadbearing wall and partition constructions where actual stud sizes are not less than 62mm x 37mm (depth

then CBEFF biometric data block (BDB) quality can additionally be used to express quality data

structure or sector

Electric storage room heaters

BS IEC 62047‑32 guidelines are a step towards ensuring that your customers have access to high-quality MEMS resonators

This European Standard establishes values for safety distances to prevent danger zones of machinery being reached by the upper limbs of persons of 3 years of age and above

Who is BS EN 12697-5- Maximum density of bituminous mixtures for

Of any shape

Wiring systems and circuit requirements

to reduce the chance of damage and to give data security over archival periods and in normal use

Civil engineering projects

This Standard provides a set of requirements and tests which are considered to be generally applicable to most types of luminaires and which can be called up as required by the detail specifications of IEC 60598-2

Entities involved in the refurbishment of machinery