PD 5304:2000

Foreword
Section 1 - General
1.1 Scope
1.2 Normative references
1.3 Definitions
Section 2 - General guidance
2.1 Application of the Published Document
2.2 Strategy for selecting safety measures
Section 3 - Identification of hazards
3.1 Dangers from machinery
3.2 Mechanical hazards
3.3 Non-mechanical hazards
Section 4 - Risk assessment and integrity
4.1 Risk assessment
4.2 Integrity
Section 5 - Machinery design
5.1 Checks by user
5.2 Hazard analysis
5.3 Controls
5.4 Indicators
5.5 Clutches
5.6 Braking systems
5.7 Safety catches, overrun, runback and fall-back
       protection devices
5.8 Counterweights and similar devices
5.9 Rotating shafts, spindles and couplings
5.10 Feeding and take-off devices
5.11 Hydraulic and pneumatic systems
5.12 Electrical systems
5.13 Workholding devices
5.14 Lifting, handling and transport
5.15 Lubrication
5.16 Stability
5.17 Lighting
5.18 Hygiene
5.19 Safety colours and symbols
5.20 Access (see also 11.3.3)
5.21 Assurance of system integrity
Section 6 - Selection of safeguards
6.1 General
6.2 Where access to the danger zone is not required during
       normal operation
6.3 Where access to the danger zone is required during
       normal operation
Section 7 - Guard design and construction
7.1 General
7.2 Types of guard
7.3 Guard construction
7.4 Anthropometric considerations
Section 8 - Safety devices
8.1 Trip devices (see Figure 60 to Figure 65)
8.2 Two-hand control device (see Figure 69)
8.3 Mechanical restraint device (see Figure 70 and Figure
       71)
Section 9 - Interlocking considerations
9.1 Functions of an interlock
9.2 Interlocking media
9.3 Interlocking methods for power interruption
9.4 Interlocking methods incorporating braking and/or
       guard locking
9.5 Failures in interlocking systems
9.6 Choice of interlocking system
9.7 Electrical considerations
9.8 Mechanical considerations
9.9 Pneumatic considerations
9.10 Hydraulic considerations
Section 10 - Environmental considerations
10.1 Environment
10.2 Corrosion
10.3 Hygiene and guard design
10.4 Coolant and swarf
10.5 Mist, fumes and dust
10.6 Noise
10.7 Electromagnetic interference
Section 11 - Installation considerations
11.1 Layout of machinery and plant
11.2 Moving parts of machinery
11.3 Services
Section 12 - Maintenance
12.1 Operational maintenance of safeguards
12.2 Waste and spillage removal
Section 13 - Safe working practices
13.1 General
13.2 Practices
13.3 Supervisory control
13.4 Information and training
Annex A (normative) Ergonomic data
Annex B (informative) Selection of interlocking system
Annex C (informative) Essentials of a permit-to-work form
Annex D (informative) Bibliography
Figures 1-120
Figures A.1-B.1
Table 1 - Probable effect of a failure to danger
Table A.1 - Low risk values of a, b and c for Figure A.2
Table A.2 - High risk values of a, b and c for Figure A.2
Table A.3 - Safety distances
Table A.4 - Safety distances, sr, through regulator openings
            of size e

Identifies hazards which arise from the use of machinery, and defines procedures to eliminate or reduce risk from these hazards, to safeguard machinery and establish safe working practices. Reference is made to non-mechanical hazards, but these are primarily covered by reference to standards.