
1 

(1) These Regulations may be cited as The Health and Safety (Foundries etc.) (Metrication) Regulations 1981 and shall come into operation on 1st December 1981.
(2) In these Regulations, unless the context otherwise requires, “the principal Regulations” mean the Regulations to be amended by these Regulations, that is to say— 
 The Blasting (Castings and Other Articles) Special Regulations 1949;
 The Iron and Steel Foundries Regulations 1953;
 The Non-Ferrous Metals (Melting and Founding) Regulations 1962.
2 
The provisions of the principal Regulations specified in the Schedule to these Regulations in column 1 shall be amended by substituting for the measurements set out opposite thereto in column 3 the measurements set out in the corresponding entry in column 4.
3 
Where any premises or plant in existence or under construction immediately before the coming into operation of these Regulations complied with the requirements of the principal Regulations as then in force, those premises or that plant shall be deemed to comply with the principal Regulations as amended by these Regulations.
Signed by order of the Secretary of State.
David Waddington
Joint Parliamentary-Under Secretary of State
Department of Employment
14th September 1981
THE SCHEDULE


1 2 3 4
Regulation to be amended Subject matter of measurement Present measurement Measurement to be substituted
The Blasting (Castings and other Articles) Special Regulations 1949
Regulation 12(3) Minimum rate at which clean air to be supplied to helmet six cubic feet per minute 170 litres per minute
Regulation 17(2) Minimum distance from blasting enclosure twenty feet 6 metres
The Iron and Steel Foundries Regulations 1953
Regulation 5 (a) Distance from spout of cupola or furnace within which work not to be carried out twelve feet 4 metres
 (b) Distance from ladle within which work not to be carried out eight feet 2.4 metres
Regulation 6(1)(c) Minimum width of certain gangways three feet 920 millimetres
Regulation 6(1)(d)(i) Minimum amount gangways shall be wider than overall width of ladle two feet 600 millimetres
Regulation 6(1)(d)(ii) Minimum width of certain gangways three feet 920 millimetres
Regulation 6(1)(d)(iii) Minimum width of certain gangways four feet 1.2 metres
Regulation 6(1)(d)(iv) Minimum width of certain gangways six feet 1.8 metres
Regulation 6(2)(a)(iii) Minimum width of pouring aisles eighteen inches 460 millimetres
Regulation 6(2)(b)(ii) Minimum width of pouring aisles eighteen inches 460 millimetres
Non-Ferrous Metals (Melting and Founding) Regulations 1962
Regulation 2(2) Definition of “degrees” degrees Fahrenheit degrees Celsius
Regulation 10(1)(a) (a) Minimum width of pouring aisles eighteen inches 460 millimetres
 (b) Minimum height of moulds above floor twenty inches 510 millimetres
 (c) Minimum width of pouring aisles when moulds alongside are more than minimum height above the floor twenty-four inches 600 millimetres
Regulation 10(1)(b) Minimum width of pouring aisles thirty inches 760 millimetres
Regulation 10(2)(a) Minimum width of certain gangways three feet 920 millimetres
Regulation 10(2)(c)(i) Minimum amount gangways shall be wider than overall width of ladle two feet 600 millimetres
Regulation 10(2)(c)(ii) Minimum width of certain gangways four feet 1.2 metres
Regulation 10(2)(c)(iii) Minimum width of certain gangways six feet 1.8 metres
Regulation 14 (a) Minimum room temperature fifty degrees 10 degrees
 (b) Maximum outside temperature at which proviso applies thirty degrees −1 degree
 (c) Minimum amount by which room temperature should exceed outside temperature twenty degrees 11 degrees
Regulation 15(2)(c) Maximum interval at which taps or jets to be fitted to trough two feet 600 millimetres
Regulation 15(3)(a) (a) Definition of “unit” in terms of length of trough two feet 600 millimetres
 (b) Definition of “unit” in terms of section of circumference of trough two feet 600 millimetres
Regulation 15(3)(c) Minimum internal measurement of basin or other receptacle four feet 1.2 metres
Regulation 17 Minimum
height to which walls are to be cleaned fourteen feet 4.2 metres