Permit to Work Procedure

• To maintain a high standard of quality and content for all PTW system documentation.
• To ensure that the system in place delivers the necessary documentation to users
• To define the tools required for PTW system, including location boards, isolation tools like padlocks and tags
• To ensure that briefing is delivered on any changes to the system
• To ensure that auditing is being done as per the audit scheme
• To ensure that all personnel are trained and competent in the operation of the PTW system appropriate to their role in the system;

• HSE Manager

Pre-task responsibilities:

• Verifies that all hazards have been identified;
• Confirms that risk assessment includes the controls needed to prevent harm to personnel, asset and the environment;
• Agrees that the work can be done on particular equipment at the proposed time;
• Confirms that there is no conflict between activities and will incorporate all necessary controls to prevent interactions prior to approving PTW for activities taking place simultaneously;
• Examines the worksite, normally with the Permit Holder, before authorising the PTW, to ensure that all hazards have been identified and controls recorded;
• Establishes effective communication between concurrent activities, for shift handovers & within the workgroup itself;
• Approves and issues PTW;
• Attends TRIC talks for activities that hold a higher level of risk, and certainly for any breaking containment issues;

During task implementation:

• Ensures all prevention & mitigation measures specified in the PTW are complied with at all times during the execution of the activities through spot audits;
• Suspends PTW if any deviation is occurred or unsafe condition arises;

Post-task responsibilities:

• Inspects the site to verify that area is safe, equipment can be operated as required and normal operations can resume;
• Cancels PTW on satisfactory completion of the work;

Responsible Supervisor shall ensure that any another person taking over his responsibilities is aware of the status of open PTW in his area.

• Rig Manager (days)
• Night Tool Pusher (nights)
•  Catering Maintenance Supervisor (Camps)

Pre-task responsibilities:

• Applies for PTW and Supervises throughout the work;
• Clearly Understands the conditions under which the work is to be carried out;
• Posts the original of PTW at the work location for the entire duration of the work;
• Briefs the working party on details of the PTW with specific reference to potential risks and ensuring they understand the controls in place including emergency response procedures and methods of raising and responding to alarms;

During task implementation:

• Ensures the work is executed according to the specified requirements;
• Ensures controls are maintained throughout the work activity;
• Suspends PTW if any deviation occurs or unsafe condition arises;

Post-task responsibilities:

• Upon completion of the work, inspects the work site to ensure it is in a safe and environmentally sound condition;
• Coordinates the closure of the PTW with the Responsible Supervisor;

Responsibilities:

• Maintains PTW Board
• Maintains PTW Register
• Maintains RA Register
• Administers Isolation Certificates
• Quality checks PTW on a daily basis

Responsibilities:

• Carry out electrical/mechanical isolations and de-isolation on the equipment
• Fill Isolation Certificate

• Electrician
• Mechanic

• Grinding
• Chipping

Exemption:

• Hotwork in Welding Shop

Examples:

• Manriding Activities by Winch, Crane or Telehandler
• Scaffold erection
• Greasing on Crown block

Exemption:

• Derrickman racking pipes on Monkeyboard level

• Work with radioactive materials
• Work with explosives
• Work with Chemicals without SHOC card
• Work with NORM contaminated equipment
• Any other, as required by Rig Management

Examples:

• Cement Unit pressure testing.
• Any pressure tests not part of current rig work (e.g. Pre-test of BOP / test manifold / choke manifold)

Examples of confined spaces:

• Cellar
• Mud Tanks
• Sewage tanks
• Water tanks
• Silos
• Hydrocarbon tanks

• Wireline operation/production logging
• Perforation
• Well stimulation
• Coiled tubing operation
• Setting plug in or removal of X-mass tree.

Examples of safety systems:

• Emergency shutdown systems
• Firefighting systems
• Pressure Relief systems
• Detection systems
• Alarm systems
• Emergency power and non-interruptible power supply
• BOP and diverter systems
• Any other system designed or used to form a safety barrier.
• Crown-o-Matic
• Floor-o-Matic

For detailed listing of safety systems refer to HSE Case

• Lifting Personnel
• Lifting more than 5t
• All non-routine operations

Examples:

• Non-routine maintenance in mast during normal operations
• Working on equipment that requires any kind of isolation, either mechanical or electrical.
• Re-charging of Nitrogen Bottles.
• Grit blasting.
• Pressure cleaning of tubulars by contractor.
• Work on any Drilling Critical Equipment while drilling or workover
• Opening various valves that might lead to a spill of hazardous substances to the nature
• Installation of any third party equipment
• Excavation on location while Unit is operating
• Any Maintenance of any auto start or remote starting equipment