BS 327:1964

Cooperating organizations
Foreword
Specification
Section one: General
1. Scope
2. Definitions
3. Information to be supplied with the enquiry or
     order
4. Information to be supplied by the manufacturer
5. Service conditions
6. Classification and duty
7. Identification
8. Materials
9. Wind
10. Stability
Section two: Structural
11. Permissible stresses
12. Jibs
13. Back stays
14. Struts, i.e. masts, jibs, backstays and sleepers
15. Joints
16. Minimum sections
17. Structural sections
18. Anchorage bolts
19. Bogie frames
20. Bracing between end bogies
21. Gabbards
22. Access
Section three: Mechanical
23. Wire ropes
24. Lifting hooks
25. Shackles
26. Overhauling weight
27. Stretching screws and turnbuckles for guy ropes of
     guy derrick cranes
28. Rope drums
29. Rope pulleys
30. Gearing
31. Gear boxes
32. Bearings
33. Shafts and axles, rotating and fixed
34. Keys, keyways, splines and serrations
35. Bolts and set screws, other than anchorage bolts
     and those used in the crane structure
36. Brakes
37. Lubrication
38. Slewing
39. Guarding
40. Control handles and levers
41. Travelling wheels
42. Crane cabin
Section four: Electrical
43. Weather protection
44. Electric motors and generators
45. Control gear and resistors
46. Electro-dynamic braking
47. Limit gear
48. Brake magnets
49. Protective gear
50. Isolating switches
51. Fixed cables, wiring and other conductors
52. Main supply for travelling cranes
53. Cables for cable reels and similar applications
54. Trailing cables
55. Cable ratings
56. Wiring diagram
57. Portable lighting
58. Heating
59. Earthing
Section five: Other forms of motive power
60. Steam engines
61. Boilers
62. Internal combustion engines
Section six: Safety
63. Load and radius indication
64. Interlock for derricking motion
Section seven: Testing
65. Tests at manufacturer's works
66. Tests on purchaser's premises
Section eight: Protection of crane structure
67. Painting
Figures
1. Scotch derrick
2. Rail mounted Scotch derrick
3. Scotch derrick mounted on fixed gabbards
4. Rail mounted Scotch derrick on gabbards
5. Guy derrick
6. Maximum ratings for cables up to 0.06 in squared
     for average crane conditions
Appendices
A. Information to be supplied with enquiry or order
B. Information to be supplied by the manufacturer
C. List of British Standards for materials and
     equipment to be used in the manufacture of cranes
D. Legislation affecting cranes in the United
     Kingdom
E. Notes on crane tracks
F. Definition of motion speeds
G. Maximum ratings for cables up to 0.06 in squared
     for use in cranes under average conditions
Tables
1. Classification and duty
2. Minimum drum diameters
3. Minimum groove radii
4. Minimum rope clearances
5. Service factors for gears
6. Brake magnet ratings
7. Brake magnet operating currents
8. Normal requirements of overload devices for
     motor circuits
9. Cable ratings
Supplement
Requirements for the conversion of an existing
hand-operated crane to electric power operation

Describes power driven Scotch and Guy derrick cranes. Covers legislation affecting cranes in the United Kingdom, notes on crane tracks, definition of motion speeds, maximum ratings for cables up to 0.06 square inches for use in cranes under average conditions with tables on classification and duty, minimum drum diameters, minimum groove radii, minimum rope clearances, service factors for gears, brake magnet ratings, brake magnet operating currents, normal requirements of overload devices for motor circuits and cable ratings.