Page 17 - TRD

ensured in all station in the division for intactness

and to strive against above said type of failures.

 Relocation of AT @ LC-67 for RUB:
Engineering department is planned an RUB to eliminate the LC-67 between
locations 227/22 to 227/20 (b/w Rechni road and Repalliwada stations). To execute
the above works there are obstructions from TrD side. There exist an AT in the
selected location and same has been relocated by erecting the new K-150 mast.

Fig: Relocation of AT @ LC-67

 Provision of Insulator Disc:

A new insulated disc has been developed to prevent flashover and CB
tripping as a trial basis. This designed as per SMI No. TI/MI/0059 made of nylon
material. In monkey and birds menace areas in MTMP and ALER and BKL
section 217 Insulator discs were provided to assess the impact. So far the
results are satisfactory.

Fig: Insulator Disc.

 Provision of replacement “C” jumpers and providing additional C jumpers in NICCO
make contact wire TLs:

During special drive launched by the division on 01.12.19 for thorough checking of C
jumpers after look-over and study of the ‘C’ jumper strands cut incidents in a very
short span, it was noticed missing of C jumpers in several tension lengths in

Nekkonda (NKD), Dornakal (DKJ), Bhadrachalam road ( BDCR) Kazipet(KZJ) and
Jammikunta (JMKT) sections in the Division. 08 C jumpers were provided and 12
Jumpers were replaced.

So far 485 jumpers were newly provided and 530 jumpers were replaced
at old locations as on date to avoid strands cut due to over load current carried for

several years. And additional C jumpers providing in NICCO make contact wire TLs
for better electrical continuity between Contact and catenary wires.