BS 7121-1:2016 – TC:2019 Edition
$280.87
Tracked Changes. Code of practice for safe use of cranes – General
| Published By | Publication Date | Number of Pages |
| BSI | 2019 | 226 |
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 1 | compares BS 7121-1:2016 |
| 2 | TRACKED CHANGES Test example 1 |
| 3 | BS 7121-1:2016 to BS 7121-1:2006 |
| 8 | Publishing and copyright information Publication history Amendments issued since publication |
| 9 | Contents Annexes List of figures |
| 10 | List of tables Summary of pages |
| 11 | Foreword Publishing information Supersession Relationship with other publications |
| 12 | Information about this document Use of this document Presentational conventions Contractual and legal considerations Compliance with a British Standard cannot confer immunity from legal obligations. |
| 14 | 1 Scope 2 Normative references Standards publications Other publications |
| 15 | 3 Terms and definitions 3.1 appointed person 3.2 carrier 3.3 competent person 3.4 configuration 3.5 control gear 3.6 crane coordinator 3.7 crane operator 3.8 crane supervisor 3.9 employing organization 3.10 indicator 3.11 liftinglift |
| 16 | 3.12 Lift categories 3.11.2 standard lift 3.11.33.12.2 complex lift 3.12 lifting accessory 3.12.3 intermediate lift 3.13 lift plan 3.14 lifting accessory 3.133.15 lifting equipment 3.143.16 load 3.153.17 method statement 3.163.18 motion limitlimiting device |
| 17 | 3.19 multi-crane lift down-rating system 3.173.20 performance limiting device 3.21 pre-use checks 3.183.22 radius Figure 1 Adverse effect of a swinging load on load radius |
| 18 | 3.203.24 rated capacity indicator/limiter RCI/L 3.213.25 serviceService conditions 3.21.23.25.2 out-of-service |
| 19 | 3.26 signaller 3.27 site operator 3.28 slinger-signaller 3.29 tag line 3.30 Testing 3.30.2 non-destructive testing (NDT) 3.30.3 overload testing 3.30.4 overload testing 3.30.5 performance testing 3.223.31 thorough examination |
| 20 | 3.233.32 use 3.243.33 user 3.25 work equipment 3.34 weight 3.35 working load limit (WLL) 4 Management of installation and lifting operations 4.1 Safe system of work |
| 21 | 4.2 Control of the lifting operation 4.2.1 General 4.2.2 Selection of appointed person |
| 22 | 4.2.3 Other particulars 4.3 Duties of the person appointed to control the lifting operation 4.3.1 General |
| 23 | 4.3.2 Lift category and control measures 4.3.2.1 General |
| 24 | Table 1 Example load and environmental hazards associated with lifting operations |
| 25 | Figure 2 Relationship between complexity index and lift category Table 2 Illustration of the categorization of lifts based on environmental and load complexities |
| 27 | 4.3.34.3.2.3 StandardIntermediate lift |
| 28 | 4.3.44.3.2.4 Complex lift 4.4 Duties of the persons involved in construction projects |
| 29 | 5 Contract lift or crane hire 5.1 General 5.2 Contract lifting operations |
| 31 | 65 Planning of the lifting operation 6.15.1 General |
| 32 | 6.25.2 Risk assessment 6.35.3 Method statement |
| 33 | 5.4 Team briefing/induction 5.5 Selection of cranes |
| 34 | 125.6 Siting of cranes 12.15.6.1 General |
| 35 | 12.25.6.2 Crane standing or support conditions 12.35.6.3 Proximity hazards 12.3.15.6.3.1 General |
| 36 | 12.3.25.6.3.2 Overhead electric lines and cables |
| 37 | 12.3.35.6.3.3 Crane control in the vicinity of aerodromes/airfields 76 Selection and duties of personnel other than the appointed person 7.16.1 Selection of personnel |
| 38 | 7.26.2 DutiesRoles and duties of personnel 7.2.36.2.1 Crane operator 7.2.46.2.2 Slinger-signaller |
| 39 | 7.2.56.2.3 Signaller 7.2.16.2.4 Crane supervisor 7.2.26.2.5 Crane coordinator 7.2.66.2.6 Crane erector 7.2.76.2.7 Maintenance personnel 6.2.8 Combination of roles |
| 40 | 87 Minimum attributes of personnel 8.17.1 General 8.27.2 Crane supervisor 8.37.3 Crane coordinator 8.47.4 Crane operator |
| 41 | 8.57.5 Slinger-signaller 8.67.6 Signaller |
| 44 | Figure 3 – Recommended– Example crane signals (continued) |
| 45 | 8.87.8 Maintenance personnel 9 Selection of cranes 108 Safety 10.18.1 General |
| 46 | 10.28.2 Modifications and materials 10.3 Wind loading 10.48.3 Identification of person directing crane movements 10.58.4 Personal safety equipment |
| 47 | 10.68.5 Use of personal protective equipment (PPE) 10.78.6 Access and egress (including emergency escape) 10.7.18.6.1 General 10.7.28.6.2 Boarding and leaving the crane 10.88.7 Fire extinguishers 10.98.8 Limiting and indicating devices 10.9.18.8.1 General |
| 48 | 10.9.28.8.2 Level indicators and inclinometers 10.9.38.8.3 Wind-speed indicating and monitoring devices 10.9.4 Working space limiter (zoning device) 10.9.5 Anti-collision device 8.8.4 Zoning and anti-collision devices 8.8.5 Rated capacity indicator and limiter (RCI/L) 8.8.6 Transport position indicators |
| 49 | 10.9.68.9 Machinery guarding 119 Crane documentation 11.19.1 Rated capacity charts 11.29.2 Instruction manuals 11.39.3 Reports of thorough examination/test certificates 9.4 Maintenance records 11.4 Records |
| 50 | 1310 Erection and dismantling 13.110.1 Planning 13.210.2 Manufacturer’s erection and dismantling instructions 13.310.3 Identification of components and materials 13.3.110.3.1 Components |
| 51 | 13.3.2 Materials 13.410.4 Electrical supply |
| 52 | 1411 Procedures and precautions 14.111.1 Crane operation 14.211.2 Working on cranes 14.2.111.2.1 General 14.2.211.2.2 Permit to work |
| 53 | 14.2.311.2.3 Periodic checks 14.2.411.2.4 Crane not in regular use 14.311.3 Reporting of defects and incidents 14.411.4 Leaving the crane unattended |
| 54 | 1512 Maintenance 15.1 General 15.2 Planned maintenance |
| 55 | 15.3 Replacement components 15.4 Use of special materials in crane construction 1613 Operating conditions 16.113.1 Rated capacity: dynamic effects and non-vertical lifting |
| 57 | 16.213.2 Mode of operation and control 16.2.113.2.1 General |
| 58 | 16.2.213.2.2 Remote-controlled cranes |
| 59 | 16.313.3 Handling of loads near persons 1714 Multiple lifting and lowering 17.114.1 General |
| 60 | 17.214.2 Main factors to be considered when planning multiple lifting 17.2.114.2.1 Weight of the load 17.2.214.2.2 Centre of gravity 17.2.314.2.3 Weight of the lifting accessories/attachments 17.2.414.2.4 Capacities of the lifting accessories/attachments 17.2.514.2.5 SynchronizationChoice of crane motionscranes |
| 61 | 14.2.6 Positioning of cranes 17.2.614.2.7 Instrumentation 17.2.714.2.8 Supervision 17.2.814.2.9 Recommended rated Rated capacity during multiple lifting 1815 Weather conditions 18.115.1 General 18.215.2 Wind |
| 62 | 18.315.3 Wind speed indication 18.415.4 Visibility 18.515.5 Rain, or snow/ice 18.615.6 Sea state 1916 Slinging and handling of loads 16.1 General |
| 63 | 16.2 Use of tag lines 19.116.3 Weight and centre of gravity of the load 19.1.116.3.1 Weight of the load |
| 64 | 19.1.216.3.2 Centre of gravity 19.1.2.1 General 19.1.2.2 Regularly shaped load(s) 19.1.2.3 More complex-shaped loads or irregularly-shaped loads 19.216.4 Use of lifting accessories/attachments 16.4.1 General |
| 65 | 16.4.2 Hooks and hook blocks |
| 66 | 2017 Signalling systems 2118 Thorough examination, including testing 21.118.1 General 21.218.2 Responsibilities of the crane user 21.2.118.2.1 General |
| 67 | 21.2.218.2.2 Provision of facilities and services 21.2.318.2.3 Provision of information 2219 Ropes 22.119.1 Rope replacement 22.219.2 Rope length |
| 68 | 22.319.3 Offloading, storage, uncoiling and handling, installation and running-in 22.3.119.3.1 Offloading 22.3.219.3.2 Storage 22.3.319.3.3 Uncoiling and handling 22.3.3.119.3.3.1 General |
| 69 | 22.3.3.219.3.3.2 Multi-strand ropes |
| 71 | 22.3.419.3.4 Installing and transferring rope from reel to reel/drum 22.3.519.3.5 Running-in ALWAYS REEL FROM TOP TO TOP OR BOTTOM TO BOTTOM |
| 72 | 22.519.5 Rope drums and sheaves 22.619.6 Rope terminations 22.6.1 General 22.6.2 Wedge and socket terminations for ropes 22.6.2.1 Assembly |
| 73 | 22.6.2.2 Inspection 22.719.7 Maintenance 22.7.119.7.1 General |
| 74 | 22.7.219.7.2 Frequency of dressing 22.7.319.7.3 Application of dressing 22.819.8 Assessment of rope condition and discard criteria |
| 75 | 2320 Special applications of cranes 23.120.1 Raising or lowering of personnel 23.1.120.1.1 General 23.1.220.1.2 Carrier 23.1.320.1.3 Compatibility of carrier and crane 23.1.3.120.1.3.1 Capacity 23.1.3.220.1.3.2 Motion control system 23.1.3.320.1.3.3 Ropes 23.1.3.420.1.3.4 Hook 23.1.420.1.4 Thorough examination and pre-use checks |
| 76 | 23.1.520.1.5 Other devices/facilities 23.1.5.120.1.5.1 Anemometer 23.1.5.220.1.5.2 Storage 23.1.5.320.1.5.3 Rated capacity limiter/rated capacity indicator 23.1.620.1.6 Operation 23.1.6.120.1.6.1 Organizational requirements |
| 77 | 23.1.6.220.1.6.2 Precautions for persons in the carrier |
| 78 | 23.1.720.1.7 Work from a carrier 23.220.2 Other special applications |
| 79 | Annex A (normative) A.1 Employer’s duties A.2 Selection of appointed persons and crane supervisors A.2.1 General |
| 80 | A.2.2 Assessment of training needs A.3 Basic training of appointed persons and crane supervisors A.3.1 Training venue A.3.2 Crane available for training A.3.3 Appropriateness of training |
| 81 | A.3.4 Course structure A.3.5 Trainee/instructor ratio A.4 Training programme A.4.1 General A.4.2 Theoretical topics |
| 82 | A.4.3 Practical topics a) for appointed persons: b) for crane supervisors and appointed persons: |
| 83 | A.4.4 Training in slinging A.4.5 Instructors A.5 Appraisal and authorization A.5.1 General A.5.2 Appointed person and crane supervisor tests a) for appointed persons: |
| 84 | b) for crane supervisors: |
| 85 | A.5.3 Training records and certification A.5.4 Authorization of employees A.5.5 Continuing assessment A.6 Selection and training of instructors A.6.1 General A.6.2 Previous experience A.6.3 Instructor qualities and abilities |
| 86 | A.6.4 Instructor training course content A.6.5 Instructor certification Annex AB (normative) A.1 General |
| 87 | A.2B.1 Employer’s duties A.3B.2 Machine-specific training A.3.1B.2.1 General A.3.2B.2.2 Appropriate training A.3.3B.2.3 Slinger-signaller training A.3.4B.2.4 Instructors |
| 88 | A.4B.3 Selection of operators and slingersslinger-signallers A.4.1B.3.1 General A.4.2B.3.2 Selection criteria A.4.3B.3.3 Assessment of training needs A.5B.4 Basic training of operators A.5.1 General |
| 89 | B.4.1 General A.5.2B.4.2 Training venue A.5.3B.4.3 Cranes used for training A.5.4B.4.4 Training area access A.5.5B.4.5 Appropriateness of training A.5.6B.4.6 Facilities and training aids A.5.7B.4.7 Course duration A.5.8B.4.8 Course structure |
| 90 | A.5.9B.4.9 Multiple crane types A.5.10B.4.10 Trainee/Instructorinstructor ratio A.6B.5 The training programme A.6.1B.5.1 General A.6.2B.5.2 Theoretical topics |
| 91 | A.6.3B.5.3 Practical topics A.6.4B.5.4 Training in slinging A.7B.6 Advanced training for operators A.7.1B.6.1 General A.7.2B.6.2 Training venue and course content |
| 92 | A.8B.7 Training of slingersslinger-signallers A.8.1B.7.1 General A.8.2B.7.2 Training focus A.8.3B.7.3 Training equipment A.8.4B.7.4 Training facilities A.8.5B.7.5 Course duration A.8.6B.7.6 Course content A.8.6.1B.7.6.1 Theoretical topics |
| 93 | A.8.6.2B.7.6.2 Practical topics A.9B.8 Appraisal and authorization A.9.1B.8.1 General A.9.2B.8.2 Crane operator’s test A.9.3B.8.3 Slinger’sSlinger-signaller’s test A.9.4B.8.4 Training records and certification A.9.5B.8.5 Authorization of employees |
| 94 | A.9.6B.8.6 Continuing assessment A.10B.9 Selection and training of instructors A.10.1B.9.1 General A.10.2B.9.2 Previous experience and competencies A.10.3 Instructor qualities |
| 95 | A.10.4B.9.3 Instructor training course content A.10.5B.9.4 Assessment and certification B.9.4.1 General B.9.4.2 Assessment |
| 96 | Annex C (normative) C.1 General C.2 Contract lifting operations C.2.1 Formally contracted lifting |
| 97 | C.2.2 Contract lifting as part of the supply and delivery of goods to a non-domestic customer |
| 98 | C.2.3 Contract lifting as part of the supply and delivery of goods to a domestic customer C.3 Duties when a crane and operator are hired |
| 99 | Annex D (informative) Table D.1 Typical area/weight and drag factors for typical loads |
| 100 | Figure D.1 Simplified method for determining the maximum allowed wind speed for mobile cranes |
| 101 | Shape Example Drag coefficient, Cw E.1 General E.2 Management of risk |
| 103 | Key |
| 105 | Key |
| 107 | Figure E.6 Example calculations of load collapse radius |
| 108 | E.3 Planning E.3.1 Consultation E.3.2 Planning requirements E.3.2.1 Down-rating of the lifting capacity E.3.2.2 Up-rating of the crane foundations or support structure E.3.2.2.1 Cranes mounted on fixed foundations E.3.2.2.2 Cranes mounted on rails or static cruciform base with base ballast |
| 109 | E.3.2.2.3 Cranes sitting on outrigger mats, on tracks or wheels E.3.2.3 Height requirements: Tower cranes E.3.2.4 Out-of-service wind speed E.3.2.5 In-service wind speed E.3.2.6 Temporary foundations, bases and ties |
| 110 | E.3.2.7 Planning for dismantling E.3.2.8 Crane preparation E.3.2.9 Erection alteration and dismantling |
| 111 | E.3.2.10 Oversailing E.3.2.11 Zoning and anti-collision systems E.3.2.12 Collision protection (Ground level) E.4 In-service lift plan |
| 112 | E.5 Maintenance, inspection and thorough examination |
| 113 | E.6 Incident investigation E.7 Records E.8 Audit form |
| 114 | Figure E.7 Management of cranes leading indicator audit |
| 115 | F.1 Radio specification F.2 Calls signs and standard commands |
| 116 | No. Voice command F.3 Radio system familiarization |
| 118 | Bibliography Standards publications |
| 119 | Other publications |
| 121 | Further reading |
