supply of supply, installation and commissioning of electrically operated wiper assembly with washer tank and longer arm length suitable for single wind shieldsupply, installation and commissioning of electrically operated wiper assembly with washer tank and longer arm length suitable for single wind shield,supply, installation and commissioning of electrically operated wiper assembly with washer tank and longer arm length suitable for single wind shield as per drawing no. 1211-01.230-005 for aerodyn amic modified cab of wap-5 locomotives as per drawing no. 1211-01.030-001. (01 set include 02 nos. of lo ng arm wiper blade with suitable water spraying arrangement, 02 nos. of electrical motors, 01 no. of contro l unit, 01 no. of water tank with suitable accessories for fitment and other related accessories for commissi oning of complete assembly.) [ warranty period: 30 months after the date of delivery ] ]