148. Water for fire fighting.- The employer shall ensure at a construction site of a building or other construction work that- (a) adequate number of water outlets are provided on excavation or tunnelling work and are readily made accessible throughout the tunnel for fire fighting purposes and such water outlets are maintained for effective fire fighting; (b) all air locks are equipped with fire fighting facilities at excavation or tunnelling work; (c) an audible fire alarm is provided to warn the building workers whenever a fire breaks out on an excavation or tunnelling work; (d) adequate number and types of fire extinguishers, in accordance with relevant national standards, are provided and made readily available to fight any outbreak of fire at an excavation or tunnelling work; (e) fire extinguishers with vapourising liquids and high pressure carbon dioxide are not used in tunnels or other confined spaces. (f) the instructions regarding steps to be followed to fight outbreak of fire, at an excavation or tunnelling work, written in Hindi or local language understood by the majority of the building workers employed on such excavation or tunnelling work, are displayed at conspicuous and vulnerable places of such excavation or tunnelling work; | 
