(1) In order to prevent electric rolling stock from being admitted into a !rack or a crossover for which third rail equipment is made dead or for 1152 Gi111---9 THE GAZEITE OF INDIA : EXTRAORDINARY [PART ll--SEC. 3li)] !,.'
which a permit-to-work is to be issued, suitable measures shall be enforced to block setting of such routes.
(2) The levers or slide or push-buttons of signals and points governing movement of electric rolling stock shall be suitably protected and if the points and signals are locally operated they shall be clamped and pad locked in their normal position and keys shall be kept with the station controller or depot controller as the case may be.
(3) These protective measures shall not be withdrawn umi, the Station Controller or the Depot Controller, as the case may be, receives a message from the Traffic controller and ?ckriowledges the same, and thfj Tr:>'.f';: C\:>n'.rol!er shall 11ot issue :;;uch 0 message unless he has received a rnessage from the ·rn1;;:.tion Pchver Cont10liH1· Ga0ceiiing tha Power Block.
CHAPTER XII OTHER SYSTEMS OF BLOCK WOR!<ll--l(,