Directive 2000/14/EC of the European Parliament and of the Council of 8 May 2000 on the approximation of the laws of the Member States relating to the noise emission in the environment by equipment for use outdoors (c. 14)

ANNEX III U.K. METHOD OF MEASUREMENT OF AIRBORNE NOISE EMITTED BY EQUIPMENT FOR USE OUTDOORS

PART B NOISE TEST CODES FOR SPECIFIC EQUIPMENT

27. HIGH PRESSURE WATER JET MACHINES U.K.

Basic noise emission standard U.K.

EN ISO 3744:1995

Measurement surface/number of microphone positions/measuring distance U.K.

Parallelepiped/according to EN ISO 3744:1995 with measurement distance d = 1 m

Operating conditions during test U.K.

Mounting of equipment U.K.

The high pressure water jet machine shall be installed on the reflecting plane; skid-mounted machines shall be placed on a support 0,40 m high, unless otherwise required by the manufacturer's conditions of installation

Test under load U.K.

The high-pressure cleaning machine shall be brought to its steady-state within the range specified by the manufacturer. During testing the nozzle shall be coupled to the high-pressure cleaning machine that causes the highest pressure if used according to the manufacturer's instructions

Period of observation U.K.

The period of observation shall at least be 15 seconds