342x Filetype PDF File size 1.04 MB Source: www.safework.nsw.gov.au
CODE OF PRACTICE
FORMWORK
Contents
Contents .............................................................................................................................. 2
Foreword ............................................................................................................................. 5
1. Introduction ................................................................................................................... 7
1.1. Purpose ............................................................................................................... 7
1.2. Who should use the Code? ................................................................................. 8
1.3. Who has duties under the law? ........................................................................... 8
1.4. How can formwork and falsework risks be managed? ......................................... 8
1.5. Consultation and communication ....................................................................... 10
2. Planning formwork and falsework ............................................................................. 11
2.1. Designer of formwork structure .......................................................................... 11
2.2. The designer’s safety report .............................................................................. 12
2.3. Planning by the principal contractor ................................................................... 13
2.4. Planning by the formwork contractor ................................................................. 14
2.5. Preparation ........................................................................................................ 15
2.6. Conventional / modular systems ........................................................................ 15
2.7. Slip and jump form ............................................................................................ 16
2.8. Loading ............................................................................................................. 17
2.9. Plant design ...................................................................................................... 17
2.10. Formwork modification ...................................................................................... 18
3. The system of work ..................................................................................................... 19
3.1. Information, instruction and training ................................................................... 19
3.2. Safe work method statement ............................................................................. 20
3.3. Emergency plan ................................................................................................ 20
3.4. Developing emergency procedures for jump forms or slip forms ....................... 21
4. Types of formwork ...................................................................................................... 22
4.1. Conventional formwork systems ........................................................................ 22
4.2. Modular formwork systems ................................................................................ 22
4.3. Shoring / falsework (scaffold) ............................................................................ 22
4.4. Slip and jump forms ........................................................................................... 23
4.5. Travelling forms ................................................................................................. 24
5. Common hazards and controls .................................................................................. 26
5.1. Ground conditions ............................................................................................. 26
5.2. Adjacent buildings or structures ......................................................................... 26
5.3. Collapse ............................................................................................................ 26
2
5.4. Electrical power lines ......................................................................................... 27
5.5. Access and egress ............................................................................................ 27
5.6. Working areas for following trades..................................................................... 28
5.7. Falling objects ................................................................................................... 28
5.8. Lifting plant and materials .................................................................................. 29
5.9. Lifting points ...................................................................................................... 30
5.10. Mixing components ........................................................................................... 30
5.11. Plant and collision ............................................................................................. 30
6. Falls .............................................................................................................................. 32
6.1. Fall protection from the formwork deck .............................................................. 32
6.2. Perimeter protection screens ............................................................................. 33
6.3. Scaffolding ........................................................................................................ 34
6.4. Guardrails and handrails ................................................................................... 34
6.5. Falls through penetrations ................................................................................. 35
6.6. Falls from ladders .............................................................................................. 36
7. Erecting, altering and dismantling formwork and falsework ................................... 37
7.1. Foundations and footings .................................................................................. 37
7.2. Conventional and modular formwork systems ................................................... 37
7.3. Wall and column forms ...................................................................................... 37
7.4. Trailing access system ...................................................................................... 38
7.5. Wall and column shutters .................................................................................. 38
7.6. Wall and column form access ............................................................................ 38
7.7. Erecting formwork frames .................................................................................. 39
7.8. Formwork false decks ........................................................................................ 39
7.9. Intermediate work deck ..................................................................................... 40
7.10. Installing bearers ............................................................................................... 41
7.11. Installing joists ................................................................................................... 42
7.12. Laying out form-ply on the deck ......................................................................... 42
7.13. Cantilevers ........................................................................................................ 43
7.14. Changing floor levels ......................................................................................... 44
7.15. Pre-pour inspection and certification .................................................................. 44
7.16. Altering formwork and falsework ........................................................................ 44
7.17. Monitoring ......................................................................................................... 45
7.18. Concrete placement .......................................................................................... 45
7.19. Pre-stripping authorisation ................................................................................. 45
7.20. Stripping formwork ............................................................................................ 46
8. Slip and jump forms .................................................................................................... 48
8.1. Entry and exit .................................................................................................... 48
3
8.2. Trailing screens and platforms ........................................................................... 49
8.3. Climbing the form .............................................................................................. 49
Appendix A – Glossary ..................................................................................................... 51
4
no reviews yet
Please Login to review.