(1)What is the total number of control operators, train control supervisors, CCTV operators, system supervisors, technical supervisors, maintenance technicians, CIS operators, security and supporting staff currently employed at the Gauteng Nerve Centre rail signalling system;
(2) whether the (a) integrated communication module, (b) trunk radio and Global System for Mobile Communications – Railway, (c) Overhead Track Equipment monitoring system and (d) CCTV monitoring of stations system are fully operational; if not, in each case, why not?