Bài giảng Industrial safety and environemental hygiene - Chapter 1: Common issues of labor safety - Trần Bích Châu
3/3/2016
Vietnam National University – HCMC
Ho Chi Minh City University of Technology
Faculty of Resource & Environment
INDUSTRIAL SAFETY AND
ENVIRONEMENTAL HYGIENE
Lecturer: Dr. TRAN BICH CHAU
Email:
02/2016
Vietnam National University – HCMC
Ho Chi Minh City University of Technology
Faculty of Resource & Environment
Chapter 1:
Common issues of labor safety
Lecturer: Dr. TRAN BICH CHAU
Email:
02/2016
1
3/3/2016
Terminology
WHAT IS AN ACCIDENT ???
“An
accident
is
an
unplanned & uncontrolled
event which causes or is
likely to cause an injury”.
New view: “An accident is any unplanned
event that results in injury or ill health of
people or damage or loss to property, plant
materials or the environment or loss of a
business opportunity”
Accident 1
• A 37 years old
man had both 2
legs clamp in the
soil grinder.
• With the help
form doctors, two-
thirds
of
the
victim’s body was
taken out of the
machine, but 1 leg
was still stuck in
the machine.
2
3/3/2016
Accident 2
This worker was rolled up by a bulldozer while working
Terminology
WHAT IS A NEAR MISS ???
6
3
3/3/2016
Definition
• A “near miss” is an unplanned event that did
not result in injury, illness or damage - but
had the potential to do so.
• Sometimes called a “near hit” or “close call”
– signals a system weakness that if not
corrected could lead to significant
consequences in the future.
7
Terminology
Watch examples and do
discuss
1. What are the misktake of
the workers in this video
clip?
2. What would be the right
things to do in these case?
4
3/3/2016
Terminology
Watch examples and do
discuss
1. What are the mistake of
the workers in this video
clip?
2. What would be the right
things to do in these case?
Terminology
HAZARD
• Anything or condition with the potential
to cause harm
• A hazard takes many forms: chemical,
electricity ..
Activity: Can you name some hazards
in your daily life?
5
3/3/2016
Terminology
HAZARD
Source
Example of Hazard Example of harm
Object
Knife
Cut
Substance
Material
Benzene
Asbestos
Leukemia
Mesothelioma
Source of energy
Condition
Electricity
Wet floor
Shock, electrocution
Slips, falls
Process
Welding
Metal fume fever
Silicosis
Practice/Task
Hard rock mining
Could you see this hazard ???
6
3/3/2016
Hazards include any force that is strong
enough to cause injury in an accident
Terminology
Exercise 1: Spot the trip hazards
7
3/3/2016
Solutions:
Terminology
HAZARD
• Question: Will exposure to hazards in the
workplace always cause injury, illness or
other adverse health effects?
8
3/3/2016
Terminology
RISK ???
Risk: chance or probability that a person will be
harmed or experience an adverse health effect if
exposed to a hazard.
Example: the risk of developing cancer from
smoking cigarette
Terminology
RISK ???
Influence factors of risk include:
• how much a person is exposed to a hazardous
thing or condition,
• how the person is exposed (e.g., breathing in a
vapour, skin contact), and
• how severe are the effects under the conditions
of exposure
9
3/3/2016
Terminology
HAZARD AND RISK ???
• Hazard: the possible consequences (e.g.,
lung cancer, emphysema and heart disease
from cigarette smoking).
• A Risk: a probability or likelihood of
developing a disease or getting injured
Exercise 2: Hazard recognition
What’s wrong
with this picture?
Do not overextend or
twist body
Use proper lifting
techniques
Ask for assistance in
lifting heavy items
Use proper posture
while working
10
3/3/2016
Incident Ratio Model –
Theory
Heinrich’s
Serious Injury or Death
Most Accident
Investigations
Conducted
1
29
Minor Injury
Biggest
percentage
of injury
causing
Few Investigations
Conducted
potential!
300
Near Miss
3,000
Unsafe Acts, Behaviors or Conditions
21
Terminology
What is PPE ???
• Equipment that creates a barrier
against workplace hazards
• Examples include hard hats,
goggles, gloves, and hearing
protection
• A temporary measure
11
3/3/2016
Terminology
Examples of PPE
Welding helmet
Full face shield
Safety harness
Cut-resistant Gloves
Ear plug
Anti vibration gloves
Terminology
WHAT IS UNSAFE ACT ???
Unsafe act – performance of a task or other activity that is conducted
in a manner that may threaten the health and/or safety of workers.
12
3/3/2016
Terminology
UNSAFE ACT
Terminology
UNSAFE ACT
What is
wrong ???
13
3/3/2016
Terminology
UNSAFE CONDITION ???
ACT -- Condition
Terminology
UNSAFE CONDITION ???
Examples
- Inadaquate guards or barrier
- Congestion for restricted action
- Poor house keeping
- Hazardous environment condition
- Noise exposures
14
3/3/2016
Electricity and Water is a Dangerous
Combination
29
Terminology
UNSAFE ACT or UNSAFE CONDITION ???
Does the picture show that
the man is performing an
unsafe act or that the man is
working in unsafe condition?
15
3/3/2016
Exercise 3: Hazard and unsafe act recognition
What’s wrong with
this picture?
Exercise 3: Hazard and unsafe act recognition
What’s wrong with
this picture?
16
3/3/2016
Where have we been so far?
- Accidnent
- Near miss
- Hazard
- Risk
- Unsafe Act
- Unsafe condition
- PPE
What Next?:
Labor safety
17
17 trang
15260
Free
Bạn đang xem tài liệu "Bài giảng Industrial safety and environemental hygiene - Chapter 1: Common issues of labor safety - Trần Bích Châu", để tải tài liệu gốc về máy hãy click vào nút Download ở trên
File đính kèm:
- bai_giang_industrial_safety_and_environemental_hygiene_chapt.pdf
