Page 62 - GM's Annual Inspection Booklet DEC- 2022

devices. The system also send automatic alerts for Signalling gears which are likely to
fail based on the system learning.

5. Block Proving with equipment redundancy (Dual SSDAC/ HASSDAC/Dual
MSDAC) completed in 12 block sections provided with BPAC in 2022-23. (PRIME
compliance)

SIGNALLING

1. High Availability Digital Axle Counters(HASSDAC) have been commissioned in
Sitaphalmandi-Kacheguda-Falaknuma automatic section on two major girder bridges of
Malakpet (Bridge no.26, 210T on Up line and 6BT on Down line) and Vidyanagar
(Bridge no.14, 35BT on Up line and 207T on Down line) MMTS halt stations. With this
the replacement of track circuit with HASSDAC axle counterat all 4 major bridges of
HYB has been completed.

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