COMPREHENSIVE MAINTENANCE OF SPLIT WINDOW ACS, WATER COOLERS, REFRIGERATION UNITS and ALLIED WORKS AT CORE AREA, OTM ACCN, INHS PATANJALI, MES COMPLEX AND LT DISTRIBUTION NETWORK OF BUILDING INCLUDING INDOOR LT PANELS OF ASSOCIATED AREAS AT NAVAL

Disconnecting incoming and outgoing cable/bus bar connections, withdrawing from cradle and overhauling of manually/electrically operated draw-out type Air Circuit Breaker of any make, 3/4 pole, 415 V AC, 800–2500 A, including all necessary works complete as specified and directed: (a) Cleaning of dust, spider webs and foreign particles. (b) Removal of old grease from various parts. (c) Cleaning of parts with CRC-2-26 or approved equivalent. (d) Checking and tightening of all hardware. (e) Replacement of damaged/unserviceable minor parts. (f) Re-greasing and lubrication of all rotating and moving parts. (g) Checking, setting and attending faults of spring charging mechanism. (h) Checking, setting and attending faults of closing and tripping mechanism. (j) Checking, setting and attending faults of auxiliary switch contacts. (k) Checking proper operation of breaker in isolation, test and service positions. (l) Measurement and confirmation of insulation resistance of each live part w.r.t. earth.

Supply, laying, jointing/termination, testing and commissioning LT UG cable, 1100 V grade, XLPE insulated, PVC sheathed, armoured, heavy duty, with multi-stranded aluminium conductor, 4 core × 25 sqmm, laid in trenches/walls/poles/through pipes, including lugs/thimbles/ferrules and all connections, complete all as specified and directed. Note: Cable shall be drawn through DWC/HDPE flexible pipe (min 40 mm dia) fixed with saddles and necessary accessories, complete.

All as per Item No.03 above but for 10 sqmm 4.0 core

All as per Item No.03 above but for 16 sqmm 4.0 core

Supply and laying LT UG cable 1100 Volts grade XLPE insulated PVC sheathed armoured heavy duty in trenches/walls/poles/passing through pipes with multistranded aluminium conductor including lugs/thimble/ferrules for terminations and connections testing and commissioning complete including taking out old unserviceable cable for 35 sqmm 3.5 core complete all as specified and directed.