Hello Readers,
This blog contains Safety working Permit system following in industries. Study and Interview Questions included hereSome jobs in chemical plant is dangerous to life and atmosphere and therefore advanced precautions are necessary to avoid accidents.
Work permit system must be prepared with qualified persons and duly signed with all concerned departments. Attachment of Job safety analysis is appreciable.
This blog contains
1. Aspects of Work permit
2. Types of work permit system
3. When work permit exhausted
Interview questions from this blog
1. Which are major work permit categories?
2. Check points of Hot work, Confined space entry?
3. When work permit exhausted and new work permit is required?
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1. Aspects of Work permit
A work permit system is consisting following scopes1. Work execution department who is seeking a job must be identified in work permit first.
2. Type of work permit
3. Equipment used
4. Identification work permit issuer, work executor, Permit approve person, Area owner.
Work permit issuer may be Engineer, Shift supervisor, Plant in charge, Senior technician, Assistant engineer, etc
Work executor is from service department like Diploma or Engineer in Mechanical, Electrical, Instrument, safety, IT, Third party person.
Permit approving person must be Engineer or equal qualified person with higher experience which holds good knowledge and familiar with all types of risks and scopes of accidents.
Area owner is a person who is operating and working on it. He may be Operator, Technician, Officer, Junior engineer.
5. Permit data must be maintained
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2. Types of work permit system
1. Cold work2. Cold work at height
3. Hot Work
4. Hot work at height
5. Excavation
6. Electrical
7. Vessel entry
Vessel entry permit
Under section 36 (2) of factory act- No person allowed or required to enter any confined space. Confined spaces are in factories are Chamber, tank, vat, pit, pipe, flue etc which has possibility of harmful fumes and lack of oxygen.Until all practicable measures have been taken to remove any fumes which may be present and and to prevent any ingress of fumes and unless a certificate i writing has been give by safety department or other competent person.
Check points :
1. All electrical energies are isolated in written with signature including date and time
2. All rotating parts must be locked. Record should be maintain in written with signature including date and time
3. All inlets are blinded
4. All drains are open.
5. Temperature should be maintained near room temperature
6. Continue air flow inside confined space is provided fresh breathing air.
7. Manhole is bonded with heavy rope or chain which are not breakable.
8. Outside standby person is required with this dedicated job.
9. Oxygen is checked in each 2 hours.
10 Good lighting must provided (24 volts).
Hot work
Hot work permit is required when working with
- Welding and cutting
- Open flames
- Spark generating work
- Grinding
- Hammering etc
Check points :
Keep 9 KG Dry chemical powder extinguisher near working area
Fire hose must be laid
Flammable gas monitoring must continuous
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2. After break of work work permit ends.[ads id="ads1"]
3. When work permit exhausted
1. After continuous work of 6 days work permit will not valid and re issued3. After work completed notification same work permit is not valid. Re issue will be initiated.
4. In the case of work permit type change, Found new way to complete with different method work permit not valid new permit must be issued.
Work permit examples
Read more about "Industrial Policies" from Industrial Guide - Click here
Important linksWikipedia -
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