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BS 4465:1989

Withdrawn
Withdrawn

A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

Specification for design and construction of electric hoists for both passengers and materials
Available format(s)

Hardcopy , PDF

Withdrawn date

30-06-2014

Language(s)

English

Published date

31-01-1990

Foreword
Committees responsible
Specification
Section one. General
1. Scope
2. Definitions
3. Design considerations
Section two. Structural design and construction
4. Loads and load combinations
5. Selection of steel, minimum thickness and working
     stresses
6. Stresses in structural components
7. Basic stresses in connections
8. Proportions of structural components, plates and
     web stiffeners
9. Fluctuating loads: permissible fatigue stresses
Section three: Mechanical design and construction
10. Hoist cage and enclosure
11. Hoistway enclosure and gates
12. Interlocking of gates
13. Rope suspension
14. Rack and pinion suspension system
15. Driving machinery
16. Brake
17. Counterweights
18. Safety gear
19. Overspeed governors
20. Buffers
21. Hoist cage overrun
22. Safety switches
23. Guarding
24. Notices
Section four. Electrical design and construction
25. Mains supply isolating switch
26. Cables and wiring
27. Protection against the effects of external
     influences
28. Earthing
29. Control circuits, panels, equipment and systems
30. Suppression of radio and television interference
Section five. Testing
31. General
Section six. Instruction manual
32. General
Appendices
A. Legislation and related documents
B. Text deleted
C. Derivation of design wind pressures
D. The use of steels of higher tensile strengths than
     those of steels complying with BS 4360
E. Basic formula for calculation of Cs
F Text deleted
G. Certificate of type test for safety gear
Tables
1. List of loads
2. Load combinations
3. Impact factors
4. Design wind pressures
5. Force coefficients Cf
6. Shielding factors phi
7. Basic stresses in structural members
8. Values of Robertson constant alpha for struts of
     various sections
9. Values of F crip for steels complying with BS 4360
10. Values of K1
11. Values of K2
12. Values of A and B to be used for calculating
     values of Cs
13. Basic stress Pbc,bas for different values of
     critical stress Cs
14. Basic average shear stress Pq,bas in stiffened
     webs of steel complying with BS 4360
15. Basic stresses in welds
16. Basic stresses in rivets as a percentage of YR0.2
17. Effective lengths of parts in compression
18. Effective length with no lateral bracing
19. Maximum width of plates in compression
20. Projection of unstiffened compression flange plates
21. Values of P for fluctuating stresses for various
     classes of constructional details
22. Size of perforation or opening in cage enclosure
     related to clearance
23. Clearance between turns of rope on helically
     grooved drums
24. Type of safety gear for counterweights
25. Governor tripping speeds
Figures
1. Conversion chart for wind speed and pressure
2. Definitions: aerodynamic slenderness, section
     ratio, solidity ratio and spacing ratio
3. Design throat thickness of fillet welds
4. Design throat thickness of deep-penetration fillet
     welds
5. Effective length with lateral bracing
6. Typical class E weld details
7. Typical class F weld details
8. Typical class F and class G weld details
9. Typical class G weld details
10. Angle of fleet
Index

Hoists used as temporary installations during building construction work which are primarily intended for the carriage of personnel but which may also carry materials. The hoist cage suspension is either by steel wire ropes or by rack and pinion with a maximum speed of 2 m/s.

Committee
MHE/6
DevelopmentNote
Supersedes 83/79025 DC, 88/77702 DC and BS 4465(1986). (08/2005) Inactive for the new design. (11/2011)
DocumentType
Standard
Pages
80
PublisherName
British Standards Institution
Status
Withdrawn
Supersedes

BS 5974:1990 Code of practice for temporarily installed suspended scaffolds and access equipment
BS 7212:1989 Code of practice for safe use of construction hoists
BS 7212:2006 Code of practice for the safe use of construction hoists

BS 329(1968) : AMD 216 SPECIFICATION FOR STEEL WIRE ROPES FOR ELECTRIC LIFTS
BS 5486-1:1986 Low-voltage switchgear and controlgear assemblies. Specification for type-tested and partially type-tested assemblies (general requirements)
BS 545:1982 Specification for bevel gears (machine cut)
BS 4604-1(1970) : 1970 SPECIFICATION FOR THE USE OF HIGH STRENGTH FRICTION GRIP BOLTS IN STRUCTURAL STEELWORK METRIC SERIES - PART 1: GENERAL GRADE
BS 4395-1:1969 Specification for high strength friction grip bolts and associated nuts and washers for structural engineering General grade
BS 436-3:1986 Spur and helical gears Method for calculation of contact and root bending stress limitations for metallic involute gears
BS 5135:1984 Specification for arc welding of carbon and carbon manganese steels
BS 7212:1989 Code of practice for safe use of construction hoists
BS 302:1968 Specification for wire ropes for cranes, excavators and general engineering purposes
BS 5304:1988 Code of practice for safety of machinery
BS 436-2:1970 Spur and helical gears Basic rack form, modules and accuracy (1 to 50 metric module)
BS 4604-2(1970) : 1970 SPECIFICATION FOR THE USE OF HIGH STRENGTH FRICTION GRIP BOLTS IN STRUCTURAL STEELWORK - METRIC SERIES - HIGHER GRADE (PARALLEL SHANK)
BS 721-1:1963 Specification for worm gearing Imperial units
BS 721-2:1983 Specification for worm gearing Metric units
BS 4395-2:1969 Specification for high strength friction grip bolts and associated nuts and washers for structural engineering Higher grade bolts and nuts and general grade washers
BS 228:1984 Specification for short pitch transmission precision roller chains and chainwheels
BS 4395-3:1973 Specification for high strength friction grip bolts and associated nuts and washers for structural engineering Higher grade bolts (waisted shank), nuts and general grade washers
BS 449-2:1969 Specification for the use of structural steel in building Metric units

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