The employer shall ensure at a construction site of a building or other construction work that- 63
(a) adequate number of water outlets are provided on excavation or tunneling work and are readily made accessible through-out the tunnel for fire fighting purpose and such water outlets are maintained for effective fire fighting ;
(b) all air locks are equipped with fire fighting facilities at excavation or tunneling work ;
(c) an audible fire alarm is provided to warn the building workers whenever a fire· breaks out on an excavation or tunneling 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 tunneling work ;
(e) fire extinguishers with vaporizing 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 tunneling work, written in Hindi or local language understood by the majority of the building workers employed on such excavation or tunneling work, are displayed at conspicuous and vulnerable places of such excavation or tunneling work ;
152. Flooding - The employer shall ensure at a construction site of a building or other construction work that -
(a) water tight bulkhead doors are installed at the entrance of a tunnel to prevent flooding during a tunneling work where more than one tunnel is driven from a shaft;
(b) all necessary measures are taken to ensure that no building worker is trapped in any isolated section of a tunnel when any bulkhead door of such tunnel is dosed.
(c) where there is likelihood of flooding or water rushing into a tunnel during a tunneling work, arrangements are made for immediate starting of water pumps to take out water of such flooding or water rushing and for giving alert signals to the building workers and other person to keep them away from danger.