Section 23 in The Delhi Metro Airport Express Line, General Rules, 2010
23. Failure of route setting.
(1)If a route through an interlocking area cannot be set automatically or by manual control from the Operations Control Centre, the control of the area shall be passed to the local Station Control Room.(2)If the route cannot be set from the Station Control Room signaling control panel or work-station, the Traffic Controller shall instruct the train operator to secure his train and wait for instructions.(3)The Traffic Controller and the Station Controller shall examine the indications for the points and if indications at the station and at Operations Control Centre agree that all points are set correctly and locked, the traffic controller may instruct the train operator to select Restricted Manual mode and proceed at reduced speed such that he can stop short of any obstruction, and once cab signals show a proceed indication, Coded Manual mode shall be automatically resumed and if the train is equipped with Automatic Train Operation, then this mode may be resumed.(4)If any point indication is missing or shows the points set for the wrong direction, or there is a discrepancy between the indications at the station and in Operations Control Centre, the station controller shall examine the position of the points himself, if they are lying in the wrong direction, he shall manually set the points with the handle from the station control room and the points shall be secured with a clamp and padlock and the train instructed by hand signal to proceed, and if after traveling some distance, a proceed indication is received by the train running on Restricted Manual mode, the train shall automatically upgrade to the Coded manual mode of control and the train operator shall again inform the Traffic Controller if the train is fitted with Automated Train Operation, this mode of the control can be selected.(5)The Station Controller, after examining the position of the points under sub-rule (4), shall then return to the station and report to the Traffic Controller that the route remains secured and any subsequent train may be instructed by radio to proceed.(6)In depot, the Depot Controller may instruct the train operator by radio to proceed if-(a)point indications for all facing points in the route show the points to be set and locked in the correct position;(b)any points not showing an indication shall be traversed in the trailing direction.(7)If points for which indications are not available have to be traversed in the facing direction, the Depot Controller shall set the points manually and secure them in the correct position with the clamp and padlock before authorising the train to proceed.
