Water cooling towers - Methods for performance testing1 Scope This Part of BS 4485 describes methods for the determination of the performance of industrial mechanical draught and natural draught water cooling towers. This Part of BS 4485 can also be applied to other forms of cooling towers. NOTE 1 The matters to be agreed between purchaser and supplier are listed in appendix A. NOTE 2 The titles of the publications referred to in this standard are listed on page 33.

Safety barriers provide containment for vehicles without significant deflection or deformation under impact

The rules for generating the character parity bits

BS 4428 and BS 5837

ISO 17637 ensures that visual testing of fusion welds in metallic materials is uniform and repeatable

and nursing homes

What is BS EN 12094-2 – Non-electrical automatic control and delay devices about

By applying BS EN 62496-3-1

The properties of the exposed coatings are compared with those of unexposed coatings

This International Standard can be used:

9 Provision for protective earthing

e) the user manual

It serves as a reference document in the specific standards for appliances that fall within the scope of the Council Directive on the approximation of the laws of Member States concerning gas appliances 2009/142/EC