The document outlines the definitions, hazards, and safety protocols related to confined spaces. It emphasizes the responsibilities of supervisors, watchers, entrants, and rescuers, highlighting the importance of proper ventilation, communication, and personal protective equipment (PPE). Additionally, it details specific hazards such as electrical risks, air quality concerns, and physical dangers, providing guidelines for entering and working safely in confined areas.

1. No. 1
Confined space training

2. No. 2
A Confined Space is a space
that is…
DEFINITION OF A CONFINED SPACE
 Large enough to allow
individuals to enter and
perform assigned work
 entry and exit is limited
 Is not designed for
continuous employee
occupancy

3. No. 3
Include:  Tanks
example

4. No. 4
 Pipelines
example

5. No. 5
 container
example

6. No. 6
 ventilation pipe
example

7. No. 7
 entrance of
flume
example

8. No. 8
 Cellars
example

9. No. 9
 fire fighting
water tank
example

10. No. 10
 cloaca
example

11. No. 11
deposition
pool
example

12. No. 12
 material Store Vessels
example

13. No. 13
ditch
example

14. No. 14
Boiler & tubular area
example

15. No. 15
 silo
example

16. No. 16
gas
engulf or sink
Physical Hazards
electrical
mechanical
hot
noises
fall down
Confined Space hazards
Hazards in confined space

17. No. 17
the way of ventilation
1 ） natural air ventilation
2 ） mechanical air ventilation
1 ） power equipment (air
source)
2 ） transportation equipment (air transport path)

18. No. 18
Gas test
Equipment
gas test

19. No. 19
hazards of air
 content of oxygen
（ 19.5 ％）
content less than 19.5%
content more than 23.5%
 flammable and explosive gases
(marsh gas, hydrogen , acetylene or volatile of gasoline more than 1% LEL)
 poisonous material or leftover
(carbon monoxide, sulphureted hydrogen)
Confined Space hazards

20. No. 20
engulf by material
for example ：
 liquid
 granule
 crust or frame of material
 overfall
 current water
Clean away the materials before entry.
Use the properly protection to prevent
falling or engulfing.
Confined Space hazards

21. No. 21
danger interior structure
For example: taper slot, underground ditch
Hazards of shape and equipment:
 use the ladder and scaffolding
 Wet and slippy surface
 uneven underside
 curving area of tunnel
 cabined area
 Poor lighting
Because of that hazards, It is hard to
rescue injured person.
Properly protection for leaving and
falling
Confined Space hazards

22. No. 22
electric shock
electric shock is one hazard of confined
space:
include:
broken lamps
electric induction equipment
limited switch
engulf into machine
Confined Space hazards

23. No. 23
Lighting and electrical
equipment
 220 volts lighting and electrical equipment can be
used outside confined space.
 12 volt lighting in confined space . Other lightings
can be used with RCD （ residual current
device ） after approved.
 Lighting and electrical equipment should be different
loop of RCD.
Confined Space hazards

24. No. 24
Lighting and electrical
equipment
 Transformer , breaker and other switch should be
deposited outside confined space.
 All electrical equipment must use with RCD.
 All electrical equipment used with hands must be
double insulation.
 The cable must be laid as safety height.
Confined Space hazards

25. No. 25
machine
machine in confined space should have
properly protection:
 running laminae
 edge
 rotational axletree
 chain or strap wheel
All equipment must be lockout & tagout before entering
confined space.
Confined Space hazards

26. No. 26
Moving part in confined space , for example:
blender
tumbling box
transportation tape
running laminae
rotational axletree
chain or strap wheel
This part need to be properly protected.
You should inspect before entering confined space:
All moving part is lockout and tag out , all pipeline
connected with confined space have been closed.
Confined Space hazards

27. No. 27
heat stroke
Worker in confined space should
 properly ventilation
 properly replacement speed
 properly temperature
 properly humidity in confined space
 work and rest take turns
 drinking water plan
Confined Space hazards

28. No. 28
Falling
Use safety belt as requirement
Confined Space hazards

29. No. 29
Noises
noises cause
 audition suffered
 obstruct intercommunion
 reduce work efficiency
 Remove the root of noises
Properly PPE
Confined Space hazards

30. No. 30
You need to evacuate when
 hurried breath
 close of bosom and breath hard
 thirsty
 tussis
 unconsciousness
 blur sight
 body is out of line
 sweatiness,weakness
 queasiness and vomit
 skin tickle
Premonition of hazard
I must
left now!
Don’t organize first
aid in confined space

31. No. 31
group of entry confined space
 Supervisor
 watcher
 entrant
 rescuer
responsibility of group

32. No. 32
responsibility of Supervisor
Authorize entering confined space .
Make sure the integrity of permission .
Confirm the test and procedure are complete.
Join the toolbox meeting , and make the worker
know the responsibility of them.
Inspect the time of entering and test of gas.
Make sure that the workers and equipments are ready.

33. No. 33
responsibility of Supervisor
The permission should be closed after the work finish or
the danger diffuse, and the permission should be applied
over again.
Before go in confined space which’s permission was
closed ,it should be inspected over again.
Organize the rescue and evacuation .
The permission should be closed after work completed.

34. No. 34
responsibility of watcher
Know the requirement of permission , and comply with the procedure.
Be outside of confined space at any moment when workers in confined space.
Know the exact amount of the workers in confined space.
Know the hazards of confined space and monitor
the gas situation.
Prevent unqualified workers into confined space.
Make sure the permission be used as requirement in
specifically project.
maintains communication with entrants.

35. No. 35
responsibility of watcher
Connect with rescuers when a hazardous situation
arise
Know the rescue procedures and the rescuers.
Wear reflect waistcoat
Never leaving your station when workers in confined
space, and never entering confined space.
Orders evacuation if
hazardous condition exists
Disbelieve or uncertain
Outside environment of confined space is unsafe.
The watcher must be trained for cardiopulmonary
anabiosis .

36. No. 36
It is important for contact between entrant with
watcher. And must keep in touch.
 observe with eyes;
 contact with mouth
 rope;
 gesticulation;
 knock object;
 interphone
Communication must be effective when exigency
condition.
communication tools

37. No. 37
responsibility of entrant
Working in confined space.
Signature at work log when you enter or
leave confined space.
Know the hazards of confined space.
Know the content of permission.
Check the hazards in permission
Use PPE and inspect PPE before
working.
Identify the premonition and evidence of
hazards.

38. No. 38
responsibility of entrant
Keep in touch with watcher.
Entrant must leave confined space when
you identify the premonition and
evidence of hazards or be ordered.
The card of entrant must be lay at the
entrance of confined space.
The entrant must inform the watcher
when leaving confined space.
Check the way of leaving confined space
, and you leave in time .

39. No. 39
Prepare on site for rescue at any
moment.
Know the hazard of confined space
and the problem of rescue.
Training of first aid.
Know the permission of confined
space.
the responsibility of rescuer

40. No. 40
Know how to rescue the
workers.
Have practice drill.
Know the premonition of hazard
and disposal way.
Training of CPR.
the responsibility of rescuer

41. No. 41
the procedure of confined space
1.make sure the members (Supervisor,watcher,entrant,rescuer)
2.permission completed
3.Toolbox Talk
4.Gas test and make sure the condition before entering.(engulf or fall, Physical
Hazards, electrical, structure, hot , noises)
5.make sure the members,phone,tool, the way of ventilation
6.Permission before entering.

42. No. 42
Remember that can protect yourself and others.
Your action decide your safety on site.
the procedure of confined space
7. Check the gas every 2 hours when working.
8. keep communicating when working
9. Get your card and signature before you leaving.
10. close the permission