1. What is Safety? What
are the objectives of safety in power plant?
Safety is defined as freedom from that
condition that can cause injury to persons including death or damage to
property or environment
create, friendly environment and healthy atmosphere at work.
accidents and harmful effects on workers’ health
injuries to employees and damages to equipments
safety guidelines for appropriate measure of planning control and
2. What is accident?
It is an
unexpected or unplanned event which may or may not result in injury or damage
or property loss or death.
3. What is an injury ?
It is defined as a harmful condition
sustained by the body as a result of an accident.
4. What is hazard?
Inherent property of a substance or an
occurrence which has potential to cause loss or damage property, person or
5. What is risk?
In probability of the realization of
potential for loss or damage or injury.
6. What is an incident?
It is an event which represents
deviation from the intended sequence of designed steps.
7. What is safety
Any company has a social and legal
obligation to provide a safe and health working environment to all his
improvement to all his employees.
8-What is work permit?
It is the legal written document issued by authorized persons to execute
a particular work.
9-What are the
different work permits issued in power plants?
A-Electrical related maintenance activities
D-Confined space work
E-Chemical related works
10-What is LOTO system? & what is its
Lockout & Tag out. It is carried
out to isolate equipment from electrical /hydraulic/pneumatic power system to
avoid damages to working persons & equipments.
11-What is meant by Job safety Analysis (JSA)?
JSA is the identifying & analyzing
the hazardous which are going to be occurred during performing a particular
12-List out the PTW (Permit to Work) steps of
Electrical related maintenance works
a-Get the work permit for a particular maintenance work
c-Issue the Lock out key to working personnel
d-Operate the emergency push button
e-Isolate any other power sources like water, air, oil etc
f-Complete the work
g-Close the PTW
h-Normalize the equipment for further operation
13-What is hot work? & list out the safe steps
of hot work
Any work related to welding, cutting & high temperature fluid
JSA of hot works.
A-Welding & cutting
a-Get the work permit
b-Identify the competent person for a particular work eg.
c-Ensure all the PPEs are available with working person
d-Ensure all combustible materials like, fuel, lubricant etc have been
isolated from working area
e-Ensure water hose pipe, sand buckets are made
available for immediate use.
f-Perform the work
g-Close the permit.
h-Normalize the equipment or system.
B-Steam line related
a-Get the work permit.
b-Identify the competent person.
c- Ensure all related the PPEs are available with working
d-Isolate particular line by opening/closing the valve
e-Perform the work
F-Close the work permit
g-Normalize the system..
14-List out the
hazardous during welding
is height work & list out the safe steps of height work?
Any work which is at a height of more
than 1.8 m from ground level. Work at height means work in any
place where, if precautions were not taken, a person could fall a distance
liable to cause personal injury
18-What is meant by confined
An area which is
small and enclosed or an area where one entry and exits or where a man cannot
work comfortable in any location is caused confined space.
In order for a work area to be defined
as a confined space it must meet all three of the following criteria
1-Limited openings for entry and exit
2-The space is not intended for
continuous human occupancy
3- The space is large enough for you to
enter and conduct work
According to OSHA, if a space does not
meet all three of the above criteria, it is not considered as confined space
examples of confined space?
Pipes, vessels, tanks, Boilers, Silos,
trenches & excavation deeper than 4 feet.
the hazardous jobs in confined space.
grinding & use of chemicals.
21-Define near miss
It is an unplanned
event that has the potential to cause, but does not actually result in human
injury, environmental or equipment damage, or an interruption to normal
22-Classify the fires & extinguishers
such as wood, paper, and fabric
Turpentine, paint, petrol etc
Combustible metals like magnesium, aluminum
are the duties of a safety officer?
1-Tool box talk preparation
2-Monthly statistics preparation
3-Near miss recording & preventive
4-Preparation of accidents reports
5-Safety meeting & training
6-Inplant training of fire
extinguishers & firefighting system
7-Arranging safety competitions like
quiz, slogans, poster exhibition etc
8-Maintaning first aid box at all
various areas of plant.
24-What is meant by lifting
Is the documents
prepare for planning a critical lift by calculating and considering all factors
which is going to effect the lift and thereby selecting the correct tools &
cranes and ensure the safe lifting procedure to be followed for the particular
25-What is SWL?
Safe working load is the maximum load
that can be applied to the lifting tool, safely.
26-What is Tandem lift?
A lift in which two cranes are used for
27-What is trench?
A narrow excavation, where the depth is
greater than width.
28-What is toe board?
Barrier secured along the sides and
ends of a platform to guard falling of materials, tools & other objects.
29-What is the minimum
height of toe board?
30-What is the height
of the top rail from the platform?
38 to 45 inches
31-What is the minimum
width required for walkway?
circumstances fall protection system has to be used?
If the person could fall more than 1.8m
33-Commonly used abbreviation
used in safety
OSHA: Occupational Safety and Health
OHSAS: Occupational Safety and Health
SWL: Safe Working Load
LTI: Lost Time Incident/Injury
LMI:Load Movement Indicator
MSDS:Material Safety Data Sheet.
ERP:Emergency Response Plan
JSA:Job Safety Analysis
UEL:Upper Explosive Limit
LEL:Lower Explosive Limit
SCBA:Self Contained Breathing Apparatus
RSO: Radiation Safety Officer
HIRA:Hazard Identification & Risk
TBT:Tool Box Talk
SOP: Safe/Standard Operating Procedure
SMP: Safe or Standard Maintenance
34-What is Hydro-test?
It is the test carried out for leak
test for pipes, vessels, by filling water with some designed pressure.
35-What is Hypot- test?
It is the insulation leakage test done
for high voltage electrical cables
36. What is safety tag?
Safety tag can be
defined a surface made of card board or paper board on which English local
languages letters written for warning safety instructions to employees.
are belongs to un hygienic working environment?
Presence of toxic,
High temp. Excessive noise Emission of radiation improper lighting improper
ventilation Process involving handling of poisonous.
What is ingestion?
Entry of harmful materials through
mouth is called ingestion.
What is inhalation?
Entry of harm full materials through
mouth is called ingestion
What is delegated work permit?
Delegated work permit used for areas
requiring light control. Ex : Fabrication, yards – valid – 30 days
What is blanket permit?
A blanket permit is a permit issued on
the basis of location where the multiple jobs are to be carried out at safe
What is first aid?
Firs aid is temporary and immediate
care given to the victim of an accident.