3.6 General Principles of Control

Question 1

health and safety control measures are designed at three levels:

Answer 1

 Workplace precautions;  Risk control systems (RCS’s); and  Management Controls

Question 2

ERIC SP – Eric Saves PeopleList them

Answer 2

 Eliminate the hazard  Reduce the hazard  Isolate people from the hazard  Control exposure to the hazard  Safe System of Work  Personal Protective Equipment (PPE

Question 3

Eliminate (example)

Answer 3

Buying in components rather than manufacturing on siteprovision of adequate floor power sockets would eliminate trailing cable hazards

Question 4

Reduce (example)

Answer 4

swapping a corrosive cleaning chemical for one that is irritant or a highly flammable solvent for one that is flammableuse of 110V electrical equipment rather than 230V

Question 5

Isolate (example)

Answer 5

acoustic enclosure around a noisy machine will contain the noise energy and keep it away from the workersMachinery guarding to stop people reaching the dangerous parts; Guard rails to prevent people falling off a scaffold; or Security fencing to keep children away from construction sites

Question 6

Control (example)

Answer 6

local exhaust ventilation (LEV) to control dust or fume near its sourcemanaging trigger times on vibrating equipment, or job rotation to reduce the frequency and duration of exposure to repetitive tasks

Question 7

Determining whether or not a control measure is “reasonably practicable” requires a balancing of _______________ against _______________

Answer 7

the costs of dealing with the risk (money, time, effort)againstthe risk of injury (likelihood x severity).