A Wide Range of Eco System Services with Mangroves
TRA-23 Hydro test of piping.doc
1. DODSAL ENGINEERING & CONSTRUCTION PTE LTD
TASK RISK ASSESSMENT FOR HYDRO TEST OF PIPES TRA-23 Rev 1
TASK DESCRIPTION HYDRO TEST OF PIPES SUBCONTRACTOR Dodsal Engg. & Const. Pte Ltd.
TRA TEAM MEMBERS SOHAYAN MUKHERJEE , SIRISH , Prashanth Korenaga, Rajesh Page 1 of 3 DATE: 12.02.2012
STEP
NO.
DESCRIPTION OF
TASK STEP
HAZARD CONSEQUENC
ES
PEOPLE,
ENVIRONMENT,
ASSETS,
REPUTATION
CONTROLS
PREVENT, DETECT, CONTROL, MITIGATE
BASELI
NE RISK
ADDITIONAL CONTROL
MEASURES / ACTIONS
RESP.
PARTY
RESID
UAL
RISK
S P R S P R
1
1.
Air Blowing
Over air pressure
inside the system,
High noise.
Sudden release
metal piece.
Poor visivility due to
dust.
Whipping of air
hoses.
Noise
including
hearing lose.
Property
Damage
Personal
injury.
Obtain permit from SECL.
Conduct Tool box talk perior to start the work.
Barricate the area.
Provide warning/cautionary board.
Use ear plug/ ear muff.
Use all basic PPEs.
Use well maintained equipments and inspected
by SECL.
Whip arrester provision for all compressor hoses.
Un authorised entry restricted.
3 2 6
Tool Box Talks
Close Supervision
Engineer/
Site fore
man
1 1 1
2.
Filling,Pressurising
,Depressurising
and Draining of
water
Corrosion due to
cotaminated water.
Land pollution by
contaminated water
draining.
Piping
damage(buckling)
by vacuum.
Injury to
Personnel
Damage to the
piping and
equipments.
Damage to the
Environment.
Portable water after analyzing and approval from
the COMPANY/PMC only to be used.
Water should be disposed after checking the
contamination level.
Use proper tools and ensure tools in good shape
Proper "PPE" (Hand gloves, etc.)
Controlled rate of draining equivalent to venting
rate.
2 2 4
Tool Box Meetings.
Engineer/
Site fore
man
1 1 1
3
Pressure testing
(Pneumatic/Hydro)
Failure of Pressure
gauges.
Incrrect Pressure
indication.
Failure of Safety
Relief Valves.
Failure of control
valves.
Failure of Rapture
Disc.
Pipe
Bursting/Buckling.
High Pressure
stored in piping.
Sudden rush
out of water
carrying.
Instrument
parts leads to
injury.
Pipe bursting
leads to injury
& Buckling of
piping leads to
damage to
property.
Noise
pollution.
Obtain Permit from SECL.
Check list as per Pressure test/Hydro test
procedure must be followed.
Proper co-ordination between the two end to be
ensured.
Pressurising equipments must be in good
condition anmd well maintained.
Testing equipment must be tested/calibrated and
certified for use.
Testing area must be cordoned off.
Use proper sign boards.
3 2 6
Use of competent
personnel.
Tool Box Talks
Close Supervision
Piping
Engineer/
Site fore
man
1 1 1
2. DODSAL ENGINEERING & CONSTRUCTION PTE LTD
TASK RISK ASSESSMENT FOR HYDRO TEST OF PIPES TRA-23 Rev 1
TASK DESCRIPTION HYDRO TEST OF PIPES SUBCONTRACTOR Dodsal Engg. & Const. Pte Ltd.
TRA TEAM MEMBERS SOHAYAN MUKHERJEE , SIRISH , Prashanth Korenaga, Rajesh Page 1 of 3 DATE: 12.02.2012
STEP
NO.
DESCRIPTION OF
TASK STEP
HAZARD CONSEQUENC
ES
PEOPLE,
ENVIRONMENT,
ASSETS,
REPUTATION
CONTROLS
PREVENT, DETECT, CONTROL, MITIGATE
BASELI
NE RISK
ADDITIONAL CONTROL
MEASURES / ACTIONS
RESP.
PARTY
RESID
UAL
RISK
S P R S P R
2
4
General
Inadequate
provision of Portable
water,Food,Shelter
and First aid.
Poor weather
condition.
Non-availiability of
emergency vehicle.
Non availiability of
PPE's
Illness
Personnel
injuries.
Heat Stress in
summer.
Provision of adequate quantity of Portable
water,Food,Shelter and First aid box.
Provision of shaded rest place.
Provision of emergency vehicle.
No smoking policy to be followed while working
on site.
All manpower to be provided with proper PPE's.
TBT to be held prior to start of work
2 1 2 Close Supervision
Engineer /
Site fore
man
1 1 1
Remarks :
Prepared By: Name: Rajesh Somappa
HSE Officer
Sign:
Date: 15.02.2012
Approved by: Name: Arup Roy Chowdhary,
HSE Manager Dodsal
Sign:
Date: 15.02.2012
Approved by: Martin Kane,
HSE Manager SECL
Sign:
Date:15.02.2012
S: Severity, P: Probability, R: Risk
Probability
4 – Probable / Likely to occur immediately or shortly
3 – Reasonably probable – Probably will occur in
time
2 – Remote – May occur in time
1 – Extremely remote – Unlikely to occur
Risk Factor Matrix
Methodology
1. Identify Hazards
2. List Hazard Events
3. Calculate risk factor with initial risk rating
4. Detail controls and mitigation plan
5. Calculate residual risk factor with final risk rating
6. Enter risk priority
Probability Risk Priority
S
e
v
e
r
4 3 2 1 8-16 High Risk
4 16 12 8 4 5-7
Medium
Risk
3 12 9 6 3 1-4 Low Risk
2 8 6 4 2
3. DODSAL ENGINEERING & CONSTRUCTION PTE LTD
TASK RISK ASSESSMENT FOR HYDRO TEST OF PIPES TRA-23 Rev 1
TASK DESCRIPTION HYDRO TEST OF PIPES SUBCONTRACTOR Dodsal Engg. & Const. Pte Ltd.
TRA TEAM MEMBERS SOHAYAN MUKHERJEE , SIRISH , Prashanth Korenaga, Rajesh Page 1 of 3 DATE: 12.02.2012
STEP
NO.
DESCRIPTION OF
TASK STEP
HAZARD CONSEQUENC
ES
PEOPLE,
ENVIRONMENT,
ASSETS,
REPUTATION
CONTROLS
PREVENT, DETECT, CONTROL, MITIGATE
BASELI
NE RISK
ADDITIONAL CONTROL
MEASURES / ACTIONS
RESP.
PARTY
RESID
UAL
RISK
S P R S P R
3
I
t
y
1 4 3 2 1
7. Evaluate acceptability of risk
Severity
4 – Catastrophic – Imminent danger exists, hazard capable of causing death or illness at wide scale
3 – Critical – Hazard can result in serious illness, severe injury, property and equipment damage
2 – Marginal – Hazard can cause illness, injury or equipment damage but the damage is not expected to be serious
1 – Negligible – Hazard will not result in serious injury or illness, remote possibility of damage beyond minor first-aid case.
