Page 17 - TRD

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.