UK Government

“ If a device can emit both continuous and intermittent signs, the intermittent sign should be used to indicate a higher level of danger or a more urgent need for the requested/imposed intervention or action than is indicated by the continuous sign. ”

“ Where it is appropriate to provide safety signs in accordance with paragraph (1) because at a place of work there is a risk to the health or safety of any employee in connection with the presence or movement of traffic (including pedestrians in relation to such traffic) and there is an appropriate sign in that connection prescribed under the Road Traffic Regulation Act, 1984 (c) [6] , that sign shall be used whether or not that Act applies to that place of work. ”

“ Signboards are in principle to be installed at a suitable height and in a position appropriate to the line of sight, taking account of any obstacles, either at the access point to an area in the case of a general hazard, or in the immediate vicinity of a specific hazard or object and in a well-lit and easily accessible and visible location. ”

“ Intrinsic features:
—round shape
—white pictogram on a blue background (the blue part to take up at least 50% of the area of the sign) .
Eye protection must be worn
Safety helmet must be worn
Ear protection must be worn
Respiratory equipment must be worn
Safety boots must be worn
Safety gloves must be worn
Safety overalls must be worn
Face protection must be worn
Safety harness must be worn
Pedestrians must use this route
General mandatory sign (to be accompanied where necessary by another sign)
3.4. ”

“ If the hearing or the sight of the workers concerned is impaired, including impairment by the wearing of personal protective equipment, measures must be taken to supplement or replace the signs concerned.
12. Areas, rooms or enclosures used for the storage of significant quantities of dangerous substances or preparations must be indicated by a suitable warning sign taken from paragraph 3.2 of Part II, or marked as provided in paragraph 1 of Part III, unless the labelling of the individual packages of containers is adequate for this purpose. ”

“ Permanent signboards must be used for signs relating to prohibitions, warnings and mandatory requirements and the location and identification of emergency escape routes and first-aid facilities.
Signboards and/or a safety colour must be used to mark permanently the location and identification of fire-fighting equipment.
2.1.2. Signboards on containers and pipes must be placed as laid down in Part III.
2.1.3. Places where there is a risk of colliding with obstacles or of falling must be permanently marked with a safety colour and/or with signboards. ”

“ Illuminated signs and acoustic signals must be checked to ensure that they function correctly and that they are effective before they are put into service and subsequently at sufficiently frequent intervals. ”

“ The signalman must be able to monitor all manoeuvres visually without being endangered thereby.
2.3. The signalman’s duties must consist exclusively of directing manoeuvres and ensuring the safety of workers in the vicinity.
2.4. If the conditions described in paragraph 2.2. are not fulfilled, one or more extra signalmen should be deployed. ”

“ Traffic routes must be permanently marked with a safety colour.
2.2. Occasional signs
2.2.1. Illuminated signs, acoustic signals and/or verbal communication must be used where the occasion requires, taking into account the possibilities for interchanging and combining signs set out in paragraph 3, to signal danger, to call persons to take a specific course of action and for the emergency evacuation of persons.
2.2.2. Hand signals and/or verbal communication must be used where the occasion requires, to guide persons carrying out hazardous or dangerous manoeuvres. ”