190513 CSE training slides rene

SAFE ENTRY TO CONFINED SPACE
nd
For the 2 BSR Turnaround (19 May to 09 July
2014)

VIETNAM OIL AND GAS GROUP
BINH SON REFINERING AND PETROCHEMICAL Co.,Ltd

1


Tables of contents

1.
2.
3.
4.
5.
6.
7.

Objectives
Terms & definitions
Roles & Responsibilities
CSE associated Hazards
Current CSE procedure
Rescue and Emergency
Incident & lessons learned

VIETNAM OIL AND GAS GROUP
BINH SON REFINERING AND PETROCHEMICAL Co.,Ltd

1. Objectives

This training is mandatory for anyone authorized to enter or work in a confined space.

After this training the trainees should be able to

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know the roles and responsibilities of the confined space entrant and watch man
know the hazards in the confined space and the appropriate control measures against the
hazards.

VIETNAM OIL AND GAS GROUP
BINH SON REFINERING AND PETROCHEMICAL Co.,Ltd


2. TERMS & DEFINITIONS

Confined Space is an enclosed space that

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is not designed for continuous occupancy,

is large enough for a person to enter and work,
has limited or restricted means of entry or exit,
dangerous levels of contaminants (solids, liquids or gases) could be present or could build up,
the oxygen level may be lower than in ambient air

VIETNAM OIL AND GAS GROUP
BINH SON REFINERING AND PETROCHEMICAL Co.,Ltd


2. TERMS & DEFINITIONS

Examples of Confined Spaces in BSR

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Tanks
Vessels
Silos
Storage Bins
Manholes
Underground manhole or pit

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Vaults
Pits
Sewers
Septic
Pipelines
Floating roof of HC tank when lower than 1.2 m
or more from the top

VIETNAM OIL AND GAS GROUP
BINH SON REFINERING AND PETROCHEMICAL Co.,Ltd


2. TERMS & DEFINITIONS

Inside idle Reactor tower

Inside idle heater

Inside idle drum

Inside idle boiler
VIETNAM OIL AND GAS GROUP
BINH SON REFINERING AND PETROCHEMICAL Co.,Ltd

Inside Underground pit

Inside idle empty toxic tank


2. TERMS & DEFINITIONS

BREATHING APPARATUSES

•

Are equipment that provide the wearer with continuous supply of uncontaminated air through a face mask.
Examples are the SCBA and air line mask.

VIETNAM OIL AND GAS GROUP
BINH SON REFINERING AND PETROCHEMICAL Co.,Ltd


3. ROLES & RESPONSIBILITIES

CONFINED SPACE ENTRY PERMIT REQUESTER

A person who requests for a CSE permit is the Permit Requester. He can be the entrant or leader of the team who
will enter the confined space.

VIETNAM OIL AND GAS GROUP
BINH SON REFINERING AND PETROCHEMICAL Co.,Ltd


3. ROLES & RESPONSIBILITIES

CSE PERMIT REQUESTER

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Know and understand the requirements of the BSR permit procedure
Participates in Job Safety Analysis and recognize the hazards in the confined space.
Conduct briefing to all the members of the team about the work and the hazards
Ensure that all entrants of his team have all required PPE
Ensure rescue plan is done and rescue team available at site
Ensure condition inside space is safe and maintained safe consistent with the terms of the CSE Permit
Order all entrants to come out if the condition inside the space has change that could endanger them.

VIETNAM OIL AND GAS GROUP
BINH SON REFINERING AND PETROCHEMICAL Co.,Ltd


3. ROLES & RESPONSIBILITIES

AUTHORIZED ENTRANT

Authorized Entrant is a person trained in Confined Space entry and permitted by
BSR to enter
a confined space.

VIETNAM OIL AND GAS GROUP

BINH SON REFINERING AND PETROCHEMICAL Co.,Ltd


3. ROLES & RESPONSIBILITIES

AUTHORIZED ENTRANT

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Participate in safety briefing by the Permit Requester
Follow the conditions required by the CSE Permit and the associated Permit to Work
Recognize the hazards, the signs/symptoms/consequences of exposure, and control of hazards
Inspect, test and make proper use of special PPEs
Maintain communication with standby person
Alert the watch man if an unsafe condition exists or when symptoms of exposure appear
Leave the confined space when:
ordered by watch man
signs or symptoms of exposure appeared
An unsafe condition exists.

VIETNAM OIL AND GAS GROUP

BINH SON REFINERING AND PETROCHEMICAL Co.,Ltd


3. ROLES & RESPONSIBILITIES

WATCH MAN

Watch Man is a person trained in Confined Space Entry whose prime responsibility is to
monitor through the manhole the conditions of the entrants.

VIETNAM OIL AND GAS GROUP
BINH SON REFINERING AND PETROCHEMICAL Co.,Ltd


3. ROLES & RESPONSIBILITIES

WATCH MAN

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Monitor the condition of the entrants at all times
Monitor conditions and activities inside and outside
Be aware of the hazards that may be present during entry
Remain outside the confined space at all time until relieved by another Watch Man
Maintain frequent communication with the entrants

Order entrants to immediately leave the space in case of any abnormal condition or if ordered by
permit requester

•

Call the attention of the rescue team if entrant looked in trouble.

VIETNAM OIL AND GAS GROUP
BINH SON REFINERING AND PETROCHEMICAL Co.,Ltd


3. ROLES & RESPONSIBILITIES

AUTHORIZED GAS TESTER

Authorized Gas Tester is person
certified by BSR HSE to have
been trained and proven competent
in the proper use of Gas Tester.

VIETNAM OIL AND GAS GROUP
BINH SON REFINERING AND PETROCHEMICAL Co.,Ltd


4. POSSIBLE HAZARDS IN CONFINED

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SPACE

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Oxygen Deficiency <19.5% oxygen

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concentration

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Oxygen Enriched > 23.5% oxygen concentration
Combustibles

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Methane
Hydrogen
Acetylene

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Propane
Gasoline fumes

Toxic Materials
Carbon Monoxide
Hydrogen Sulfide
Welding fumes
Corrosives

Electricity
Physical Hazards
Noise, Slick/Wet Surfaces, Falling Objects, Radiation

•

Temperature, Flooding

Inert Conditions
Nitrogen

VIETNAM OIL AND GAS GROUP
BINH SON REFINERING AND PETROCHEMICAL Co.,Ltd


4. POSSIBLE HAZARDS IN CONFINED

SPACE

OXYGEN DEFICIENT

19.5 %

Minimum acceptable oxygen level.

15 – 19%

Decreased ability to work, Impaired coordination, early symptoms

12-14%

Respiration increases. Poor judgment

10-12%

Respiration increases. Lips blue

8-10%

Mental failure. Fainting, nausea, unconsciousness, vomiting

6-8%

8 minutes - fatal, 6 min - 50% fatal, 4-5 min – may recover

4-6%

Coma in 40 seconds, Death

death
VIETNAM OIL AND GAS GROUP

BINH SON REFINERING AND PETROCHEMICAL Co.,Ltd


4. POSSIBLE HAZARDS IN CONFINED

SPACE

FLAMMABLE ATMOSPHERE
Fire Triangle

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- Oxygen content

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- Presence of a flammable gas, or vapor

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- Ignition Source

Proper air/gas mixture can lead to explosion (LEL)
Typical Ignition Sources

 - Sparking or electric tool
 - Welding / cutting operations
 - Abrasive Blasting
VIETNAM OIL AND GAS GROUP
BINH SON REFINERING AND PETROCHEMICAL Co.,Ltd

4. POSSIBLE HAZARDS IN CONFINED

SPACE

Sources of Toxic Gases and Vapors in Confined Space

 Process materials

• Materials absorbed in the walls of confined space
• Residue materials in the confined space example sludge
 Work being performed
• Welding, cutting, brazing, soldering
• Painting, scraping, sanding, Abrasive Blasting
• Sealing, bonding, melting
 Areas adjacent to a confined space
• Equipment exhaust gases (air compressors, cranes, etc.)

VIETNAM OIL AND GAS GROUP
BINH SON REFINERING AND PETROCHEMICAL Co.,Ltd


4. POSSIBLE HAZARDS IN CONFINED

SPACE

HYDROGEN SULFIDE (H2S)

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Rotten egg odor at low concentrations
No warning at high concentrations

PPM

Effect
10

50 - 100

Time

Permissible Exposure Level

8 Hours

Mild Irritation - eyes, throat

within 1 Hour

200 - 300 Significant Irritation

within 1 Hour

500 -700

Unconsciousness, Death within 1/2 - 1 Hour

>1000

Unconsciousness, Death within Minutes

VIETNAM OIL AND GAS GROUP
BINH SON REFINERING AND PETROCHEMICAL Co.,Ltd


4. POSSIBLE HAZARDS IN CONFINED

SPACE

 Odorless, Colorless, Tasteless Gas
 Incomplete By-Product of Combustion
PPM

Effect

35

Permissible Exposure Level

200 Slight headache, discomfort
600

Time

Headache, discomfort

8 Hours

3 Hours
within 1 Hour

1000-1200

Confusion, nausea, headache

within 2 Hours

1000-1200

Tendency to stagger

within 1.5 Hours

1200 (IDLH)

Unconsciousness

within 30 min.

VIETNAM OIL AND GAS GROUP
BINH SON REFINERING AND PETROCHEMICAL Co.,Ltd


4. POSSIBLE HAZARDS IN CONFINED

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Noise

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Amplified within the space

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Damaged hearing, affects communication

Slick / Wet Surfaces

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Slips and falls

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Increased chance of electric shock

Falling Objects

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SPACE

Topside openings or activities expose workers to falling objects

Temperature (Heat Stress)

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Humidity

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Work activities

VIETNAM OIL AND GAS GROUP
BINH SON REFINERING AND PETROCHEMICAL Co.,Ltd


CSE safety procedure

VIETNAM OIL AND GAS GROUP
BINH SON REFINERING AND PETROCHEMICAL Co.,Ltd


Basic requirement for CSE

1. Training
2. PTW, JSA, STARRT
3. Watch Man
4. Means of communication

5. Ventilation
6. Proper lighting
7. Air monitoring
8. Fire extinguishers
9. Log in/out
10. Proper access
11. Emergency Rescue Plan
12. Proper PPE

Enter Confined Space In Safe Manner

PTW
JSA / STARRT
PPE
STAND BY MAN
Gas Testing & Ventilation

VIETNAM OIL AND GAS GROUP
BINH SON REFINERING AND PETROCHEMICAL Co.,Ltd


CSE procedure

 Do JSA
 Equipment Preparation (empty, drain, flush, purge)
 Opening the space
 Isolate the space
 Ventilate the space
 Test the atmosphere (1st test)
 Complete permit

 Conduct Safety Briefing (STARRT Card)
 Test the atmosphere
 Enter the space

VIETNAM OIL AND GAS GROUP
BINH SON REFINERING AND PETROCHEMICAL Co.,Ltd


Job Safety Analysis (JSA)

Job Safety Analysis (JSA) is a method of identifying the hazards in every step of the job and developing ways
to control them.

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Job is broken into steps

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Hazards are identified

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Control measure/s put in place to eliminate or minimize the risk to workers, the environment, and
property.

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Monitor and Review

VIETNAM OIL AND GAS GROUP
BINH SON REFINERING AND PETROCHEMICAL Co.,Ltd