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Hot Work
A Hot Work is a work with a potential source of ignition or if it may produce a possible source of ignition.Exemption: Hotwork in Welding Shop
Examples
Grinding;
Chipping;
Cutting;
Welding;
Burning;
Temporary use of internal combustion engines and non-intrinsically safe (IS) equipment in Zones I or 2;
Attachments
Risk Assessment;
TBT;
Fire Warden Checklist (on PTW);
Work at Height
Working above 2 m where fixed or temporary guarding is not provided is considered as Work at Height.Exemption: Derrickman racking pipes on Monkeyboard level
Examples
Manriding Activities by Winch, Crane or Telehandler;
Erecting or dismantling scaffolding;
Greasing on Crown block;
Dismantling/Removing of handrails, ladders, grating (rigging down and rigging up);
Attachments
Risk Assessment;
TBT;
Depending on the Ops nature:
F-24 – Pre-Manriding Checklist;
F-79 – Crane Manbasket Checklist;
Scaffolding checklist (by 3rd Party);
Works with Dangerous Substances
Work with substances hazardous for health
Examples
Handling Radioactives;
Handling Explosives;
Handling Chemicals that cannot be identified;
Handling Chemicals that doesn’t have MSDS;
Handling NORM contaminated equipment;
Handling/Pumping Acid;
Attachments
Risk Assessment;
TBT;
F-25 – Radio Silence Checklist;
Explosives Checklist (by 3rd party);
Pressure Testing
Pressure testing of equipment, piping systems or hoses according to relevant procedures.
Examples
Pressure test of any units/equipment, e.g.:Cement Unit;
BOP;
Test manifold;
Choke manifold;
Pressure lines;
Pressure vessels;
Well head;
Silo;
etc.
Attachments
Risk Assessment;
TBT;
Confined Space Entry
A confined space is any area with limited or restricted means for entry or exit and is not designed for continuous occupancy.
Examples
Cellar;
Mud Tanks;
Sewage tanks;
Water tanks;
Silos;
Hydrocarbon tanks;
Attachments
Risk Assessment;
TBT;
Confined Space Entry Checklist (on PTW);
F-11 – Confined Space Monitoring Sheet;
Isolation Certificate;
Well Operation/Well Intervention
Operations involving third party and unit own activities posing combination of multiple hazards.
Examples
Well stimulation;
Coiled tubing operation;
Setting plug in or removal of X-mass tree.;
Well testing activities, flow tests in particular;
All Third Party activities related to well, e.g.:
Installation of any third party equipment
Rigging up packer/larleur equipment;
Cementing and associated activities;
Wireline operation/production logging;
Pressure cleaning of tubulars by contractor;
Attachments
Risk Assessment;
TBT;
F-39 – 3rd Party Equipment;
Isolation of Safety System
Work that involves isolation and testing or bypassing of safety systems.
For detailed listing of safety systems refer to HSE Case
Examples
Work on any Safety Critical Equipment while drilling or workover:Emergency shutdown systems
Firefighting systems
Pressure Relief systems
Detection systems
Alarm systems
Emergency power and non-interruptible power supply
BOP and diverter systems
Accumulators Unit maintenance during operations.
Crown-o-Matic
Floor-o-Matic
Any other system designed or used to form a safety barrier.
Attachments
Risk Assessment;
TBT;
Isolation Certificate;
Lifting
Non-routine Lifting Activities
Examples
Lifting Personnel;
Lifting more than 5t;
Tandem Lifting;
Lifting items over pressurized equipment such as producing wells, or pressure vessels;
Attachments
Risk Assessment;
TBT;
F-59 – Lifting Plan;
Maintenance
Preventive and Troubleshooting Maintenance Activities
Examples
Working on equipment that has auto or remote start functions;
Non-routine maintenance in mast during normal operations;
Working on equipment requiring any kind of isolation, either mechanical or electrical, e.g.
Changing liners on MPs
Draworks maintenace
Elmago maintenance
Attachments
Risk Assessment;
TBT;
Isolation Certificate;
Other
Any operation that may pose a hazard due to its nature, or due to lack of safety barriers.
Examples
Opening various valves that might lead to a spill of hazardous substances to the nature;
Excavation on location while Unit is operating;
Work above or around water tanks or pits;
Erecting or moving equipment in close proximity to overhead power lines;
Use of high pressure jetting equipment (>2000psi)
Slip & Cut
Re-charging of Nitrogen Bottles;
Grit blasting;
Attachments
Risk Assessment;
TBT;
Isolation Certificate;
F-39 – 3rd Party Equipment;
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