# The Docks, Shipbuilding etc. (Metrication) Regulations 1983 S.I. 1983/644 · made 26 April 1983 These Regulations amend the following instruments:—The Docks Regulations 1925;The Docks Regulations 1934;The Shipbuilding and Ship-repairing Regulations 1960;The Shipbuilding (Lifting Appliances etc. Forms) Order 1961; andThe Docks Certificates (No. 2) Order 1964, PDFs: Printed copy https://openlegislation.uk/docks-shipbuilding-etc-metrication-regulations-1983/pdf/uksi_19830644_en.pdf ## Introductory text HEALTH AND SAFETY Made 26th April 1983 Laid before Parliament 10th May 1983 Coming into Operation 1st June 1983 The Secretary of State, in exercise of the powers conferred on him by sections 49, and 82(3)(a) of the Health and Safety at Work etc. Act 1974 (“the 1974 Act”) and of all other powers enabling him in that behalf and for the purpose of giving effect without modifications to proposals submitted to him by the Health and Safety Commission under section 11(2)(d) of the 1974 Act after the carrying out by the said Commission of consultations in accordance with section 50(3) of that Act, hereby makes the following Regulations:— ## 1 Citation and commencement (1) These Regulations may be cited as The Docks, Shipbuilding etc. (Metrication) Regulations 1983 and shall come into operation on the 1st June 1983. (2) In these Regulations, unless the context otherwise requires, “the principal instruments” means the Regulations and Orders amended by these Regulations, that is to say:— The Docks Regulations 1925; The Docks Regulations 1934; The Shipbuilding and Ship-repairing Regulations 1960; The Shipbuilding (Lifting Appliances etc. Forms) Order 1961; The Docks Certificates (No. 2) Order 1964. ## 2 Amendments to the principal instruments to substitute metric measurements for imperial measurements The provisions of the principal instruments specified in the Schedule to these Regulations in Column 1 shall be amended by substituting for the measurements or expressions set out opposite thereto in column 3 the measurements or expressions set out in the corresponding entry in column 4. ## 3 Application to existing premises and plant 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, then those premises or that plant shall be deemed to comply with the requirements of the principal Regulations as amended by these Regulations. ## Signature Signed by order of the Secretary of State. John Selwyn Gummer Joint Parliamentary Under Secretary of State Department of Employment 26th April 1983 ## Schedule THE AMENDMENTS TO PROVISIONS 1 2 3 4 Provision to be amended Subject-matter of measurement or expression Present measurement or expression Measurement or expression to be substituted The Docks Regulations 1925 Regulation 19(b)(i) Chains etc. to be annealed half inch 13 millimetres The Docks Regulations 1934 Definitions Length of lock ninety feet 27.5 metres Distance from edge of canal fifteen feet 5.0 metres Depth of water five feet 1.5 metres Regulation 1 Height of fencing two feet six inches 760 millimetres Distance from side of entrance five yards 5.0 metres Regulation 9 Width of ladder or gangway twenty-two inches 560 millimetres Height of fencing two feet nine inches 840 millimetres Regulation 11(1) Depth of hold five feet 1.5 metres Regulation 11(2)(b) Depth of foothold including any space behind the ladder 4 ½ inches 115 millimetres Width of foothold 10 inches 250 millimetres Regulation 11(2)(c) Depth of foothold including any space behind the cleats or cups 4 ½ inches 115 millimetres Width of foothold 10 inches 250 millimetres Regulation 11(2)(d) Depth of foothold including any space behind the ladder 4½ inches 115 millimetres Width of foothold 10 inches 250 millimetres Regulation 17 Width of working space around hatch two feet 600 millimetres Regulation 19(b)(i) Chains etc. to be annealed half inch 13 millimetres Regulation 28(c) Height of ladder thirty feet 10 metres Regulation 35(b) Width of space along edge of wharf three feet 920 millimetres Regulation 37(a) Depth of hold five feet 1.5 metres Height of coamings two feet six inches 760 millimetres Height of fencing three feet 920 millimetres Regulation 40 Distance from deck two feet 600 millimetres Schedule Paragraph (a) Safe working load up to 20 tons up to 20 tonnes Safe working load 20–50 tons 20–50 tonnes Proof load 5 tons in excess 5 tonnes in excess Safe working load over 50 tons over 50 tonnes Paragraph (b) Safe working load up to 20 tons up to 20 tonnes Safe working load 20–50 tons 20–50 tonnes Proof load 5 tons in excess 5 tonnes in excess Safe working load over 50 tons over 50 tonnes Paragraph (c) Safe working load up to and including 20 tons up to and including 20 tonnes Safe working load over 20 tons up to and including 40 tons over 20 tonnes up to and including 40 tonnes Proof load 20 tons in excess 20 tonnes in excess Safe working load over 40 tons over 40 tonnes The Shipbuilding and Ship-repairing Regulations 1960 Regulation 2(2)(a) Length of ship one hundred feet 30 metres Depth of ship nine feet six inches 2.9 metres Regulation 2(2)(b) Length of ship one hundred feet 30 metres Depth of ship nine feet six inches 2.9 metres Regulation 2(2)(c) Length of ship one hundred feet 30 metres Depth of ship nine feet six inches 2.9 metres Regulation 3(2) Flash point of oil two hundred and seventy degrees Fahrenheit 132 degrees Celsius Regulation 7(b) Height of hand-rails two feet nine inches 840 millimetres Height of toe-board above floor six inches 150 millimetres Regulation 8(1) Height of fencing two feet nine inches 840 millimetres Regulation 9(1)(a) Width of ladder or gangway twenty-two inches 560 millimetres Height of fencing two feet nine inches 840 millimetres Regulation 10(2)(a) Position of top step of ladder twelve inches 300 millimetres Regulation 13(3) Width of footway seventeen inches 430 millimetres Regulation 14(1)(d) Position of top of ladder two feet six inches 760 millimetres Regulation 17(2) Extension of planks forming stages eighteen inches 460 millimetres Regulation 24(heading) Height of stages six feet six inches 2 metres Regulation 24(1) Height of stages six feet six inches 2 metres Regulation 24(2)(c) Width of stages seventeen inches 430 millimetres Regulation 24(3)(a) Height of guard rail three feet 920 millimetres Regulation 24(7) Width of stages twenty five inches 640 millimetres Regulation 25(1) Height of fencing three feet 920 millimetres Height of fencing two feet six inches 760 millimetres Regulation 26(1) Height of coaming two feet six inches 760 millimetres Height of fencing three feet 920 millimetres Regulation 36(3) Size of chains etc. half inch 13 millimetres Regulation 47 Weight of load 20 tons 20 tonnes Regulation 55(1) Distance from source of heat fifteen feet 5 metres Regulation 59(1)(b)(i) Flash point of oil seventy-three degrees Fahrenheit 23 degrees Celsius Regulation 60(2) Flash point of oil seventy-three degrees Fahrenheit 23 degrees Celsius Regulation 66(1) Flash point of oil one hundred and fifty degrees Fahrenheit 66 degrees Celsius Regulation 69(5) Flash point of paraffin one hundred degrees Fahrenheit 38 degrees Celsius Regulation 80(1) Height of stages six feet six inches 2 metres Second Schedule Paragraph (a) Safe working load under 20 tons under 20 tonnes Safe working load 20–50 tons 20–50 tonnes Proof load 5 tons in excess 5 tonnes in excess Safe working load over 50 tons over 50 tonnes Paragraph (b) Safe working load under 20 tons under 20 tonnes Safe working load 20–50 tons 20–50 tonnes Proof load 5 tons in excess 5 tonnes in excess Safe working load over 50 tons over 50 tonnes Paragraph (c) Safe working load under 50 tons under 50 tonnes Safe working load 50–100 tons 50–100 tonnes Proof load plus 50 tons plus 50 tonnes Safe working load over 100 tons over 100 tonnes Safe working load up to and including 20 tons up to and including 20 tonnes Safe working load over 20 tons up to and including 40 tons over 20 tonnes up to and including 40 tonnes Proof load 20 tons in excess 20 tonnes in excess Safe working load over 40 tons over 40 tonnes The Shipbuilding (Lifting Appliances etc. Forms) Order 1961 Schedule, Part III Paragraph (2)(a) Size of rope inches millimetres Paragraph (3) Tensile strength of wire tons* per square inch Newtons per square millimetre Paragraph (4)(c) Safe working load Safe working load* Safe working load Footnote Definition of ton 1 ton=2,240 lbs none The Docks Certificates (No. 2) Order 1964 Schedule Paragraph (1) Column (g) Proof load applied tons tonnes Column (h) Safe working load tons tonnes ## Explanatory note These Regulations amend the following instruments:— The Docks Regulations 1925; The Docks Regulations 1934; The Shipbuilding and Ship-repairing Regulations 1960; The Shipbuilding (Lifting Appliances etc. Forms) Order 1961; and The Docks Certificates (No. 2) Order 1964, by substituting amounts or quantities expressed in metric units for amounts or quantities not so expressed. The substituted amounts preserve the effect of the original provisions except to the extent necessary to obtain amounts expressed in convenient and suitable terms. Regulation 3 provides that the amendments do not relate to premises or plant in existence or under construction immediately before the coming into operation of these Regulations if those premises or that plant complied with the then existing requirements. --- Source: https://www.legislation.gov.uk/uksi/1983/644 (the official version) Page: https://openlegislation.uk/docks-shipbuilding-etc-metrication-regulations-1983 Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.