Surface boxes, guards and underground chambers for the purposes of utilities - Specification for utility chambers1 Scope This part of BS 5834 specifies requirements and test methods for precast reinforced concrete and recycled polymerunits for utility chambers of rectangular shape (including utility chambers of square shape), for use with surface boxes conforming to BS 58342 or covers and frames with a maximum designated clear opening of 900 mm 600 mm and conforming to BS EN 124. NOTE In BS 58344: 1989 utility chambers were termed preformed chambers.

BS EN 14836 gives specifications for the test method for artificial weathering such as terms

Transport Wales

usually associated with specific size ranges corresponding to different deposition regions within the respiratory system

Splash tests

The compression stress-strain characteristic is a measure of the load-bearing properties of the material

Three figures show the numbering of the surfaces

NOTE 2 Manually operated doors with door closing devices are not considered to be power operated doors

This standard deals with the determination of the performance of sound system equipment

BS 7669-3 provides guidance on the installation and erection procedures for vehicle safety fences

BS EN 10140:2006 is an indispensable guide for those who specify

The aim of PD CEN/TR 15868 is to:

BS EN IEC 60947‑7‑4 applies to PCB terminal blocks intended to connect copper conductors