Date: 11-02-04
JOB SAFETY ANALYSIS ( HYDRO JETTING )
Date: Prepared by : Rajesh
Operation / Process : Hydro Jetting of pipelines
S/NoOPERATION SEQUENCEPOTENTIAL HAZARDS / RISKSCONTROL
MEASURESACTION BY
1a. Ensure a valid work permit
b. Refer to Hydro Jetting Procedure
Client Rep/
Supervisor
2Check the drawing & test pack / line no identified
accordance with the requirementa. Hydro jetting of a wrong test
pack / line noa. Check and ensure that the hydro jetting is carried
on a correct test pack / line no.Client Rep/
Supervisor
3To select & prepare all the hydro jetting equipment &
pipe fittingsa. Pipe Fitting / hose burst off, injury othera.
Select the right materials and equipment.Supervisor
b. Unauthorized entry of personnela. Barricade testing area at
least 1 meter and display warning sign. b. Highlight in the
VSCCSupervisor
4To hydro jet the pipe lines to 100 bar (1500 psi) to check
leakage( 1st inspection )a. Eyes / body injurya. Wear PPE (Safety
goggle / Full face shield, Safety Helmet, Safety Boots, Overalls)
Worker
b. Personnel hit by pressurized itemsa. Display warning
signboard/barricade to be at least 1 meter to keep other personnel
away.Supervisor
c. Failure of pressure gauge
a. Use calibrated pressure gauge. b. Watchman to check and
ensure not to over pressurized Supervisor
d. Nearby Electrical items hit by water/pressurized items
a. Protect electrical items prior to start up Supervisor
5Increase to the required pressure ( 6,000 to 10,000 psi ) by
inserting the nozzle into the piping system (full)a. Leakage and
causing flooding onto the surroundinga. Line check prior to
commencement of hydro jetting
b. Standby diaphragm pump to pump out the water.
c. Ensure containment tray and pump in good condition.
Supervisor
b. Personnel hit by pressurized itemsa. Display warning
signboard/barricade to be at least 1 meter to keep other personnel
away.
b. Install Protective Barrier made of wooden material to block
any pressurized items coming out at the open end of pipe.
Supervisor
c. Failure of pressure gaugea. Use calibrated pressure gauge. b.
Watchman to check and ensure not to over pressurized Supervisor
d. Working at heightsa. Ensure the Staging had been certified
SAFE TO USE.
b. Wear safety harnessWorker
6Continue hydro jetting till the pipe lines are clear from
debris and drain the clear water after collecting the debris
through the filter bags. Finally the used filter bags will be
disposed into the rubbish bin.a. Unauthorized entry of personnela.
Highlight in the VSCC and display warning signboard/barricade to be
at least 1 meter. Supervisor
b. Eyes / body injurya. Wear PPE (Boots, safety goggle and/ or
Full face shield, overalls.)Worker
7Visual inspection on pipelinesa. Personnel in contact with
flushing mediuma. Highlight in the VSCC and display warning
signboard / barricade to be at least 1 meter.. Supervisor
b. Eyes / body injurya. Wear PPE (Boots, safety goggle and/ or
Full face shield, overalls. Worker
8To remove temporary flanges from the pipe lines after
flushinga. Personnel in contact with flushing mediuma. Highlight in
the VSCC and display warning signboard/ barricade to be at least 1
meter.. Supervisor
b. Eyes / body injurya. Wear PPE (Boots, safety goggle and/ or
Full face shield, overalls.) Worker
9To reinstate the piping system.c. Working at heightsa. Ensure
the Staging had been certified SAFE TO USE.
b. Wear safety harness.Worker
a. Hand injury by improper use of tools and material handlingc.
a. Wear hand gloves. b. Use right tool for the work.Worker
10House keeping a. Trip and fall a. Run hoses in proper
manner
b. Keep all material and tools after work
Worker
11Review local conditions
Abbreviations:
1. VSCC Vessel Safety Coordination Committee
2. PPE - Personal Protective EquipmentSignature:
Approved by: Signature:
Rev 0 Reviewed by: Page 3 of 3
