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29 Νοε 2013 (πριν από 3 χρόνια και 8 μήνες)

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Hazards on the construction
job site could be caused by:

human error

equipment failure

envirmental condition



Headache


Feeling of sand in your
eyes


Red or weeping eyes


Trouble opening your
eyes



Impaired vision


Swollen eyes

Personal protective equipment

oxy acetylene welding cutting outfit

Hoses

1.
Leaks 2. burns 3. worn places 4.
charred sections close to the torch.

Regulators

When opening valves , always stand
to the side. Dirt that is struck in the
valve may fly out and cause serious
injury.

Proper connection hose both good and
bad

Trenches and Excavations

If you are excavating it can result in
Cave
-
ins and falling objects are
hazards in these areas. Sometimes if
there is a peace of pipe that might
have septets on the pipe and it could
make a very hazard or environmental
disaster.

Warnings related to trenches and
excavations

Never work on the face of either
sloped excavations or excavations in
which concrete slabs were used to
flatten the surrounding area at levels
above other workers. The workers
below you may not be adequately
protected from the hazard of falling,
rolling, or sliding materials or
equipment.

Proximity work

Avoid touching high
-
temperature
components

WARNING OF WORKING IN CONFINED SPACE.

Without proper training , no employee is
allowed to enter a permit
-
required or non
-
permit
-
required confined space. Employers
are required to have programs to control entry
to and hazards in both types of confined
spaces.

Never work alone in a confined space. OSHA
requires an attendant to remain outside a
permit
-
required confined space. The
attendant monitors entry, work, and exit.

Confined space

Did you
Know

Questions 1

1.
Oil or grease in contact
with _______ will
cause an explosion.

A. A gas cylinder

B. Acetylene

C. Compressed oxygen

D. Combustible materials

Questions 2

2. Flash Burn are caused
by exposing your eyes
to______.

A. Ultraviolet light

B. Oxygen and acetylene

C. Petroleum products

D. Compression hose

Questions 3

3. A ___ is attached to a
cylinder valve to reduce the
high cylinder pressure to the
required lower working
pressure.

A. Safety valve

B. Regulator

C. Torch assembly

D. Compression hose

Questions 4

4. A confined space ___.


A. Has a limited
amount of ventilation

B. Has no means of entry

C. Is too small to work in

D. May be entered by
untrained employees

Questions 5

5. All internal combustion
engines give off a deadly
odorless, tasteless, invisible
gas called _____as part of
their exhaust.

A. Carbon trioxide

B. Carbon monoxide

C. Carbon Dioxide

D. Carbon cyanide

Review answers

1.
D

2.
A

3.
B

4.
A

5.
B