HAZARDS &

CONTROL-I

PREPARED BY:

MUHAMMAD SHAKAIB QURESHI

HAZARDS

Basic Definitions;-Hazards is a substance which has potential to cause harm or physically, mentally injury.OrHazards is a condition or combination of conditions that, if left uncorrected, might lead to an accident, illness, or property damage.

HAZARDS SYMBOL

TYPES OF HAZARDS

1.Physical Hazards2.Chemical Hazards3.Mechanical Hazards4.Biological Hazards5.Psychological Hazards6.Ergonomics Hazards

PHYSICAL HAZARDS

Physical hazards are those substances that threaten an individual's physical safety. The most common types of physical hazards include burn, explosion, chemical reactions, ultraviolet that are visible like frequencies and noise such as infrasound and ultrasound. e.g HAVS (hand arm vibration syndrome)

CHEMICAL HAZARDS

Those hazards which has potential of toxicity, flammability and reactivity to cause harm

Channels of entry 1.Inhalation (entry by breathing)2.Ingestion (swallowing)3.Absorption (entry through the

skin)

MECHANICAL HAZARDS

Mechanical hazards are those associated with power driven machines, whether automated or manually operated.The most serious hazards come from moving machine parts which may accidentally come into contact with worker’s body causing injury or death.

Common

Mechanical Hazards

1. Cutting and tearing2. Shearing3. Crushing4. Puncturing5. Straining and spraining6. Breaking

Shearing Hazard

Straining and Spraining Hazard

Puncturing hazard

BIOLOGICAL HAZARDS

Sources of biological hazards may include bacteria, viruses, insects, plants, birds, animals, and humans. These sources can cause a variety of health effects ranging from skin irritation and allergies to infections (e.g., tuberculosis, AIDS), cancer and so on.

PSYCHOLOGICAL HAZARDS

A psychological hazard is a hazard that can affect your mental health e.g. brain washing, bullying, taunting etc.OrPsychological concerns in the workplace include excessive working time and bullying.

WHAT IS ERGONOMICS?

ERGO=“WORK”

NOMICS=“RULES” OR “LAWS”

Ergonomics literally means “the laws of work”

OSHA defines ergonomics as

the science of “designing the job

to fit the worker, instead of

forcing the worker to fit the job.”

What is Ergonomics?

ERGONOMICS HAZARD

CONTROLS

Types of control Measure.1.Medical control 2.Engineering control3.Administrative control

Thank you