Firestopping Book Firestopping Book | Page 19

CHAPTER 1 Introduction to Fire Safety Individuals working in the field of fire safety should have a ba- sic working knowledge of fire science. This chapter has a key goal of giving the reader a ba- sic perspective of fire science and types of practices avail- able to counter fire incidents. This chapter will also provide a perspective to the reader about the size and trend of fire accidents in India. ■ ■ ■ ■ ■ ■ Fuel Oxygen When a fire starts, a chemical reaction is needed to sustain it. Therefore, for a fire to sustain, it needs fuel, oxygen, heat and chemical reaction. These four variables represent the fire tet- rahedron. As mentioned, four fire extinguishing principles ex- ist. ■ ■ ■ ■ ■ ■ ■ ■ Control the Fuel Control the Oxygen Control the Heat Control the Chemical Reaction Heat (Fig 1.1 - Picture of Fire Tetrahedron) 19