AS 2243.6-1990

1 - AS 2243.6-1990 SAFETY IN LABORATORIES - MECHANICAL ASPECTS
4 - PREFACE
5 - CONTENTS
6 - 1 SCOPE AND GENERAL
6 - 1.1 SCOPE.
6 - 1.2 REFERENCED DOCUMENTS.
6 - 1.3 MINIMIZATION OF COMMON SAFETY HAZARDS.
6 - 1.3.1 General.
6 - 1.3.2 Workshop training.
6 - 1.3.3 Use of machines.
6 - 1.3.4 Temporary apparatus.
6 - 1.3.5 Personal care.
6 - 1.3.6 Use of personal protective equipment.
7 - 1.3.7 Good housekeeping.
7 - 1.3.8 Storage of work materials.
7 - 1.4 PLANNING FOR SAFETY.
7 - 1.4.1 General.
7 - 1.4.2 Purchase and installation of apparatus and machinery.
7 - 1.4.3 Completeness of ordering instructions.
7 - 1.4.4 Noise and hearing protection.
7 - 1.5 FIRE, EMERGENCY AND RESCUE PROCEDURES.
8 - SECTION 2 EQUIPMENT IN GENERAL USE
8 - 2.1 MACHINERY.
8 - 2.1.1 Dangers to operators.
8 - 2.1.2 Dangers to maintenance staff.
8 - 2.1.3 Basic principle of safeguarding.
8 - 2.1.4 Construction of safeguards.
8 - 2.2 FIXED POWER TOOLS.
8 - 2.2.1 General requirements.
8 - 2.2.2 Drilling machines.
9 - 2.2.3 Grinding and polishing machines.
9 - 2.2.4 Linishing machines.
9 - 2.2.5 Lathes.
10 - 2.2.6 Metal-cutting guillotines.
10 - 2.2.7 Power-driven hacksaws.
10 - 2.2.8 Power-driven band saws.
10 - 2.2.9 Universal testing machines and testing frames.
11 - 2.2.10 Milling machines.
11 - 2.3 PORTABLE POWER TOOLS.
11 - 2.3.1 General requirements.
11 - 2.3.2 Electrical requirements.
12 - 2.3.3 Portable saws.
12 - 2.3.4 Portable drills.
12 - 2.4 HAND TOOLS.
12 - 2.4.1 Maintenance and use.
12 - 2.4.2 General considerations.
13 - 2.5 CENTRIFUGES.
13 - 2.5.1 Personal safety.
13 - 2.5.2 Purchasing considerations.
13 - 2.6 HEATING EQUIPMENT.
13 - 2.6.1 Personal safety.
13 - 2.6.2 Important safety features.
13 - 2.7 ELECTRONIC APPARATUS.
14 - 2.8 HIGH PRESSURE EQUIPMENT.
14 - 2.8.1 Design.
14 - 2.8.2 Important safety considerations.
14 - 2.9 VACUUM APPARATUS.
14 - 2.9.1 Design.
14 - 2.9.2 Use of vacuum apparatus.
15 - 2.10 TUBING AND PIPING.
15 - 2.11 MISCELLANEOUS EQUIPMENT AND PROCESSES.
17 - SECTION 3 COMPRESSED GAS CYLINDERS
17 - 3.1 IDENTIFICATION OF GAS CYLINDERS.
17 - 3.2 HANDLING, USE AND STORAGE.
17 - 3.2.1 General.
17 - 3.2.2 General precautions.
17 - 3.2.3 Handling and use.
18 - 3.2.4 Storage.
18 - 3.3 PRECAUTIONS FOR SPECIFIC GASES.
18 - 3.3.1 General.
18 - 3.3.2 Oxygen.
18 - 3.3.3 Acetylene.
18 - 3.3.4 Nitrous oxide.
19 - 3.3.6 Hydrogen.
19 - 3.3.7 Compressed air.
19 - 3.3.8 Liquefied and dissolved gases.
20 - SECTION 4 HAZARDOUS SUBSTANCES AND PROCESSES
20 - 4.1 GENERAL REQUIREMENTS.
20 - 4.1.1 Prevention of exposure to harmful substances.
20 - 4.1.2 Control of hazardous operations.
20 - 4.1.3 Ventilation.
20 - 4.1.4 Protective clothing and apparatus.
20 - 4.1.5 Inventory of chemical substances.
20 - 4.1.6 Smoking.
20 - 4.2 SOLDERING AND BRAZING.
20 - 4.2.1 Soldering of electronic components.
20 - 4.2.2 Brazing.
20 - 4.3 WELDING AND CUTTING.
20 - 4.3.1 General.
20 - 4.3.2 Welding.
21 - 4.3.3 Plasma cutting.
21 - 4.3.4 Cutting and thermal welding of plastics.
21 - 4.3.5 Radiofrequency dielectric plastics welders.
21 - 4.3.6 Solvent welding of plastics.
21 - 4.4 DEGREASING.
21 - 4.4.1 Hazards.
21 - 4.4.2 Fume and dust extraction.
21 - 4.4.3 Skin care.
21 - 4.5 CUTTING AND GRINDING OILS.
21 - 4.6 GLASS WORKING.
21 - 4.7 CRYOGENIC SUBSTANCES.
21 - 4.7.1 General.
22 - 4.7.2 Fire hazard.
22 - 4.7.3 Mechanical failure.
23 - APPENDIX A - LIST OF REFERENCED DOCUMENTS
25 - APPENDIX B - GUIDE TO THE CHEMICAL RESISTANCE OF GLOVE MATERIALS

Sets out the general principles of safe operation of mechanical equipment and tools in laboratories. Particular attention is given to safe management of gas cylinders, harmful substances and hazardous operations. Additionally, guidelines for the safeguarding of machinery are included.

This Standard sets out general principles and requirements of safe working practice relevant to mechanical operations performed in laboratories and describes the nature of the potential mechanical hazards. This Standard also covers safe working practices relevant to the use of compressed gas cylinders and cryogenic substances.