supply of anti bird disc , anti bird disc (poly carbonate & flammability rating of v-2 or higher as per ul-94) of circular dia 400 mm suitable for porcelain type bracket/stay/9tone insulators as per rdso drawing no. ti/drg/ohe /abd/rdso/00000/19/0, sheet-2 or latest with all accessories as per revised special and maintenance instr uction no.-ti/mi/0059-rev.3, march-2025 for provision of anti-bird disc. drawing and specification is attache d. make/brand- ai, rapl, gew or similar. quantity of 75 mm inner dia. of anti-bird disc=1000 nos., 85 mm i nner dia. of anti-bird disc=2000 nos. and 90 mm. inner dia. of anti-bird disc=900 nos. sample may be appr oved before bulk supply. [ warranty period: 30 months after the date of delivery ] ]