POWER PLANT: Water deluge system

 

POWER PLANT

Water deluge system

   Those systems are related to:

         - in automatic mode:

i.          main and auxiliary transformers,

ii.          cable galleries,

iii.         warehouse,

-         in manual mode:

i.          External part of the shell of crude oil, diesel oil, and main sludge tanks.

  Automatic systems shall also be manually actuatab1e by a trained worker.

 The fuse plug water spray system or sprinkler system of the warehouse shall be such that after operation only the fuse (sprinkler) needs to be replaced.

      Indoor fire protection of buildings:

   Indoor fire fighting water network with hose reels conveniently located shall be provided in:

-    administration, safety and security buildings,

-         workshop,

-         warehouse,

-          fire water pumping houses,

-         Water treatment house.

   Portable extinguishers shall be provided all around the plant.

   They shall be dry powder, CO2, or clean agent type according to the hazard.

 A layout drawing showing the proposed location of all the extinguishers shall be submitted to the Company/Engineer.

 Fire equipment cabinets;

   Fire fighting tools, accessories, and protective apparatuses shall be provided and stored:

         - in spot fire cabinets,

-         or in central cabinets.

        The location of which is distributed, at least:

-         in fire fighting center,

        - in power generation buildings,

        - in the workshop,

-          in fuel office (driver's reception office)

 Mobile intervention means:

 -   Four(4) fire-trucks shall be provided to cover the needs of the whole power plant.

they shall be housed in the fire-fighting center and all capable to be fed with water from the hydrant network.

-  Three trucks shall be heavy-duty type, equipped with water tank, foam tank, and powder.

   -    It shall be provided with an additional mobile foam monitor with a foam tank, which can be connected to a water hydrant for operation.

-  The other trucks shall be light duty type, i.e. equipped as the previous track but with a smaller water storage tank.

 -   The heavy-duty vehicles shall have a diesel engine.

       - The light-duty vehicle shall be equipped with a petrol engine.

 - In addition, trucks shall be equipped with ladders, semi-rigid reeled hoses, extinguishers, firemen protective equipment breathing apparatuses, public address and telecom systems.

      Automatic shut-off of ventilation, de-energizing, tripping:

 - Whatever the type of detection, followed or not by an automatic actuation of the fire fighting system, the ventilation or air conditioning system of the building or room in which fire has been detected shall be automatically shut down and the safety flaps of ventilation air duct shall be triggered so as to close and minimize natural draughting effect.

 -   Automatic actuation consecutive to fire detection on electrical equipment shall always be preceded by a de-energizing sequence except as otherwise specified.

 - As well, actuation of the fire fighting system on:

 a]         gas turbine hot parts,

b]         fuel skid blocks,

             shall trip the unit.