Topic 5

Question 1

why do we have tag out

Answer 1

Provides a safe system of work to isolate systems mechanically and electrically.
Allows maintenance without hazard to maintainer, isolates defective equipment, prevention of a mode of operation which may be dangerous, where supplies have been provided but not fitted.

Question 2

Working A-loft

Answer 2

Funnels, aeriels and conning towers
Voltages can be induced or ognition being caused
hazard state board viewed by OOD and areas suitably locked down which are in need of work
Non slip footwear, Harness in date, overalls tucked, loose objects removed, secure tools and sentry present.

Question 3

Divers down

Answer 3

Shaft locked
tally's issued
steering gear isolated 
discharges isolated
all sonar shut off 
CPP shutdown

Question 4

confined space

Answer 4

any space unventilated and closed off for 24 hours
must be cooled
forced ventilated
gas safe certificate 
multigas worn 
proper ppe
sentry lifeline

Question 5

live electrics

Answer 5

only when absolutely necessary
must be supervised
never above 1500 ac or 1000 dc
then all the precautions

Question 6

Coshh

Answer 6

Substances used or produced by work activities 
Natural and biological occurances.
Coshh data log on the hazard data sheet with its 15 parts
ingredianets
fire fighting
environmental concerns
first aid
accidental release measures