BS 7905-1:2001
$198.66
Lifting equipment for performance, broadcast and similar applications – Specification for the design and manufacture of above stage equipment (excluding trusses and towers)
| Published By | Publication Date | Number of Pages |
| BSI | 2001 | 68 |
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 1 | BRITISH STANDARD |
| 2 | Committees responsible for this British�Standard |
| 3 | Contents |
| 5 | 1 Scope 2 Normative references |
| 6 | 3 Terms and definitions anchorage bar bottom limit certified competent person controlled stop D:�d ratio duality dynamic working coefficient emergency stop ferrule |
| 7 | fleet angle hoist hook clamp “in view” flying wire karabiner lifting accessory lifting machine lifting system load alternating load axial load dead load design load dynamic load |
| 8 | imposed load live load minimum breaking load overload point load service load shock load specific load static load uniformly distributed load (UDL) safe working load (SWL) working load limit (WLL) load bearing load capacity load factor |
| 9 | load path load testing maximum speed permanent personnel flying pitch circle Figure 1 Pitch circle range of travel rope diameter rope lock safety bond safety factor |
| 10 | static test static test coefficient 3.32 Stress ultimate stress yield stress swivel swivel hook temporary thimble top limit trim ultimate limit whipping wire rope grip |
| 11 | 4 Structural integrity 4.1 General 4.2 Outdoor applications 5 Components 5.1 General requirements for all components 5.2 Component strength |
| 12 | 5.3 Rope, chain and associated terminations |
| 13 | Figure 2 Method of measuring diameter Figure 3 Example of a ferrule termination |
| 14 | Figure 4 Wire rope grip and application Figure 5 Symmetrical wedge socket |
| 15 | Figure 6 Asymmetrical wedge socket Figure 7 Socket |
| 16 | Figure 8 Wire rope thimble |
| 17 | 5.4 Bridle components Figure 9 Bridle Figure 10 Distribution of forces to be found with differing angular configurations |
| 18 | 5.5 Anchorage Figure 11 Beam clamp |
| 19 | Figure 12 Cleat Figure 13 Belaying pins 5.6 Connectors |
| 20 | Figure 14 Sliding bar hanger with adjustable clamp Figure 15 Example of a rigging screw/turnbuckle |
| 21 | Figure 16 Bar hanger Figure 17 Clew with swivel |
| 22 | Figure 18 Collared eyebolt and dynamo eyebolt Figure 19 Hook |
| 23 | Figure 20 Hook clamps Figure 21 TV hook clamp |
| 24 | Figure 22a 28 mm TV spigot |
| 25 | Figure 22b 16 mm TV spigot Figure 23 Karabiners Figure 24 Lifting link and lifting ring |
| 26 | Figure 25 Hanging iron |
| 27 | 5.7 Suspension bars and trussing 5.8 Springs |
| 28 | Figure 26 Constant force spring 5.9 Weights 6 Machinery 6.1 General 6.2 Machinery using wire rope 6.3 Pulleys and mountings |
| 29 | Figure 27 Fleet angle Figure 28a Wire rope pulley groove dimensions Figure 28b Fibre rope pulley groove dimensions |
| 30 | 6.4 Winding drums |
| 31 | Figure 29 Pile wind drum |
| 32 | 6.5 Machinery using chain 6.6 Shafts 6.7 Gearboxes 6.8 Brakes |
| 33 | 6.9 Friction rope drives 6.10 Transmission chain and toothed belt drives 6.11 Racks and pinions |
| 34 | 6.12 Load arrestors 7 Traverse equipment (tracks, trolleys, etc.) 7.1 General 7.2 Cord or wire rope 7.3 Linear motors for overhead tracking 7.4 Trolleys (runners and bobbins) 7.5 Turntables |
| 35 | Figure 30 Turntable Figure 31 Points 7.6 Track points |
| 36 | Figure 32 Drop-out section 7.7 Drop-out sections of track (drop-outs) 8 Lifting machines 8.1 General |
| 37 | 8.2 Manual rope hauling Figure 33 Block and tackle |
| 38 | Figure 34 Hemp set |
| 40 | Figure 35 Single purchase counterweight system |
| 41 | Figure 36 Double purchase counterweight system |
| 42 | 8.3 Manual winches and hoists Figure 37 Hand winch |
| 43 | Figure 38 Chain lever hoist Figure 39 Jaw operated winch |
| 44 | Figure 40 Manual chain hoist |
| 45 | Figure 41 Spring pantograph |
| 46 | Figure 42 Monopole hoists on grid |
| 47 | 8.4 Powered winches and hoists |
| 49 | 8.5 Donkey motor (donkey winch) |
| 50 | 8.6 Safety curtain 9 Flying of performers 9.1 General 9.2 Equipment |
| 51 | 10 Controls 10.1 General 10.2 Power-operated systems |
| 52 | Table 1 Classification of power-operated systems 10.3 Control stations 10.4 Initiation of movement 10.5 Emergency stop facilities |
| 53 | 10.6 Operator vigilance 10.7 Special requirements for indirectly-controlled systems |
| 55 | 10.8 Group controls 10.9 Wire-free control |
| 56 | 11 Marking 11.1 General 11.2 SWL and WLL 11.3 Anchorages 11.4 Loading notices |
| 57 | 11.5 Lifting accessories 11.6 Machinery 11.7 Donkey motor 11.8 Remote operation |
| 58 | 11.9 Personnel lifting 12 Documentation and information 12.1 General 12.2 Operating instructions |
| 59 | 12.3 Installation instructions 12.4 Repair and maintenance instruction |
| 60 | 12.5 Inspection and examination 12.6 Dismantling instructions 12.7 Appendix to instructions (for additional necessary documents) 12.8 Documentation (other than instruction) |
| 61 | Annex A (informative) Examples of loading notices |
| 64 | Annex B (informative) Relationship between the definitions in BS 7905-1 General Permanent and temporary Lifting equipment |
| 65 | Annex C (informative) Discussion of “safety factor” |
