Emergency Operating Methods for CO2 and Marine CO2 Systems for Safety Purposes

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Emergency Operating Methods for CO2 and Marine CO2 Systems for Safety Purposes

All around the world, there are systems and fire suppressions are used in regards to the capacity, requirements and affordability.  Though having multiple options are there for different industrial sectors to use as fire extinguishing agent. Possessing a monitoring system integrated with modern technology to monitor the level of liquefied CO2 gas is a great idea to be more benefited. You can find some amazing ultrasonic monitoring equipment and systems to manage liquid levels. Seafarers mostly consider CO2 Fire Extinguishing System a major horrifying dream especially when it comes to its operation. Grounding or collision of the ship can entirely happen due to the fire caused in engine room because it causes disability of propelling plant of ship along with leading to the complete blackout situation. CO2 or Marine CO2 Systems are specifically installed in the major engine room of the ships to act as fire extinguishers. There is one person from the crew known to be chief engineer of the ship who is responsible towards operating Marine CO2 system after he has taken all the precautionary measure in regards to the functioning of the engine room machinery.

CO2 cause massive suffocation after its releasing in engine room which can ultimately cause death. Past has come up with several such cases where people have died due to suffocation caused due to CO2 rather than fire. To avoid any generally and abrupt suffocation due to leakage and unexpected escape of CO2 cylinders, make sure you possess an ultrasonic level indicator to measure the levels on the ship.  Moreover, there have been some deadly situations faced by the shipping crews in regards to the combination of suffocation and re-ignition of fire in the presence of lack of air tight engine room. Most importantly, Marine CO2 Systems are the last fire extinguishing options available on the ships and no other option is available. Only Chief Engineer or 2nd engineers in his presence are the in-charge to operate CO2 system whereas it is a necessity for him to avoid fire or any other casualty to happen. Here below, we have compiled some important steps for you to operate CO2 system without any causality:

  • Due to the sound of fire alarm, the bridge officer will be sure about the right location. In case it is big to be dealt by one person, make sure all crew should gather together in muster station for the head count
  • After reducing the speed of the ship, make sure you stop the main engine whereas felt it safe. In case, the ship is coming into any coastal zone, captain is supposed to inform the respective coastal authorities
  • By repeating the head count, make sure no one should be left inside the engine room
  • Upon flooding of CO2, the Emergency generator should be started whereas auxiliary power generator should be stopped due to the requirement of entire engine room machinery
  • Use life lines or SCBA set in case there is a need to enter engine room to rescue a person.
  • Press the Key provided in the glass case nearby to open the respective cabinet of CO2 operating system as it creates an audible alarm in the engine room
  • Make sure to check all the tripped system as precautionary measure as some machinery and system causes tripping of opening of CO2 such as fans and blowers in engine room.
  • Do not forget about informing the wheel house about the ongoing situation of the fire. In consent with the master, Chief Engineer should take the required decision in order to flood CO2 in the engine room to extinguish the fire
  • Operate all remote closing switches for engine room pumps and machinery, quick closing valve, fire flaps, funnel flaps and water tight doors etc.
  • Stop air condition unit of ECR
  • Make sure the engine room is air tight by closing all the entrance doors
  • Operate the master and control valve in the CO2 cabinet. This will cause another audible alarm and within a minute time span, CO2 will be released to extinguish fire.

Hopefully, these were helpful do’s to operate marine CO2 system successfully. For further information regarding monitoring devices, Download PDF


CEO Message

Integrity and Science Key to Our Culture of Performance

Dear Coltraco Customers, Strategic Partners and Distributors,

Integrity is our defining value. Performance is its consequence. We understand that our customers have choices, and how we perform determines whether customers choose us. Coltraco’s Code of Ethics does not merely require compliance with laws. It embodies a Commitment to positive behaviours that build trust, promote respect, operate with distinction, with courtesy and global levels of performance, demonstrating our integrity and delivering customer performance.

We honour our commitments, communicate transparently, and act with honour. Ethics are the foundation of our performance culture and our science-based approach. We lead in specific technologies delivering the watertight integrity monitoring of marine structures and the monitoring of fixed liquefied gaseous fire extinguishing systems and the room integrity of protected space to ensure agent hold-times post-installation. We show this by our understanding of the science in them and the mathematics that explain them.

I would like to thank you for your business and for the relationships with our Customers, Strategic Partners, Distributors and ODAs who we value so highly.

My kindest regards,

Carl Stephen Patrick Hunter BA(Dunelm) Hon DSc FRINA FIMarEST MRAeS
CEO & Managing Director
Coltraco Ultrasonics Limited
46-47 Mount Street, Mayfair, London W1K 2SA
United Kingdom

Tel:  +44 20 7629 8475
Fax: +44 20 7629 8477

Call Now : +44 207 629 8475


References in PDF Format


Underwriters LaboratoriesUnderwriters Laboratories


Reference Alpha Fire UK Portalevel MAX Sept 2012

Reference Portascanner-II CSD MOD Albion and Bulwark





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