Confined Space Training

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17 Νοε 2013 (πριν από 3 χρόνια και 9 μήνες)

64 εμφανίσεις

Chuck Durham

Industrial Hygienist

durc235@lni.wa.gov


Confined Space
Hazard Awareness


WAC 296
-
809



What is a Confined Space


Confined Space Hazards


Do’s and Don’ts


Controlling hazards


Objectives

NIOSH “FACE” Study

For
confined
space fatal incidents
:


Locations types include:


31% tanks, 26% vats/pits, and 27% sewers


36% involved multiple victims


79% hazardous atmospheres


43% had oxygen deficient atmospheres


29% had toxic atmospheres


7% had flammable atmospheres


21% involved physical hazards

What is The Definition of a
Confined Space

WAC 296
-
809
-
100


A Confined Space


Large enough for the whole
body to enter and work, and



Has limited or restricted
means for entry or
exit, and



Is not designed for
continuous employee
occupancy


Is a space that is all of the following:

Non
-
Permit Confined Space

WAC 296
-
809
-
20002


Is a confined space that does not contain actual
hazards or potential hazards capable of causing
death or serious physical harm.

Hazards found Within Confined
Space s

Contains or has a potential to contain a hazardous
atmosphere, toxic gases, fumes and vapors


Contains a material with potential for engulfing

or causing asphyxiation


Internal configuration that could allow someone
entering to be trapped by inwardly converging walls
or by a floor which slopes downward and tapers to a
smaller cross
-
section


Contains any physical hazard such electrical or
mechanical or any other recognized serious safety
and health hazard.

Confined Spaces That You May
Be Familiar With


Silos


Grain bins


Well shafts


Chemical tanks


Cold storage rooms


Hopper rail cars


Truck tanks


Sewers

Do’s and Don’ts


Evaluate the worksite for confined spaces


Develop a written program


Train employees


Provide safety equipment


Test the atmosphere if necessary




Confined Space Don’ts


Don’t enter unless you have to


Don’t enter without a permit


Don’t enter without proper PPE


Don’t enter without proper training


Don’t operate in or around confined spaces with
equipment that could cause sparks

Controlling Hazards In Permit
-
Required Confined Space

Limit employee access to confined
spaces by using entry barriers or
locks.

Post warning signs at the entrance
of confined spaces.

Make sure that unauthorized workers
do not enter the confined space.

Controlling Hazards (cont).


Written program

Complete a permit for each entry


Extensive employee training



Employee assigned duties


Controls (cont.)

Drain or pump out liquid contents,
if any.

Blank off all in
-
feeding lines.

Air test and ventilate.

Continue ventilating constantly.

If possible, remove any sludge
deteriorate from inside the
confined space.

Exit space if conditions change

Entry Permit

Describes each individual’s roles
and responsibilities,


Specifies safety equipment

and respiratory protection,


Tells how long the job will take,


States hazards found in the space
includes atmospheric monitoring.





Training

WAC 296
-
809
-
400


Before first assigned duty


Before any changes in assigned duty


Whenever there is a change in the PRCS


Any deviations from the PRCS procedures


Inadequacies in employee’s knowledge or
use of procedures


Annually for rescue team members

Rescue
and Emergency Services

WAC 296
-
809
-
50014


Rescue and Emergency Service

1)
Arrange for rescue
service from an outside
source.

2)
Arrange for your own
employees to provide
rescue.

3)
Provide for non
-
entry


rescue.


Non
-
Entry rescue is preferred

Rescue Training and Practice

Rescue Equipment

Where do I go to find additional
information?


http://www.lni.wa.gov/wisha/rules/confinedspace


www.cdc.gov/niosh


www.osha.gov/


DOSH Consultation


Safety & health program review and worksite
evaluation


Free


Confidential


By employer invitation
only


No citations


No penalties


Letter explains findings


Follow
-
up all serious hazards



Risk Management assistance



Workshops, classes & video library


Questions