annual maintenance work including periodic and preventive maintenance of equipments and testing of grid equipments as per standard operating procedure at 220 / 132 kv grid sub station ramchandrapur ( adp-2 ) for f.y. 2023-24 from 16.05.2023 to 31.03.2024--1 checking & observation (1. clamp, connectors & jumpers/2.air & gas pressure/3.batterries & battery system/4. control & relay panels 5. transformers oil & winding temp, fans, oil level, silica gel etc. 6. oil leakage & equipment noise). highly skilled-1 person, skilled-1 person & unskilled-2 persons. 2 preventive/routine maintenance of grid substation as per schedule provided by engineer incharge a 220 kv bay/132 kv bay-nut bolt tightening, adjustment of contacts (male/female) cleaning, greasing, mobilization, & jelly putting in clamp & connectors ,earthing flat, jumpers and other equipments related with insulators, isolators, ct,pt, cb, la, dropping, and panel of a bay b 132 kv half main bus-nut bolt tightening, adjustment, cleaning, greasing, mobilization, & jelly putting in clamp & connectors, earthing flat, jumpers and other equipments related with insulators, isolators, pt. c 132 kv transfer bus-nut bolt tightening, adjustment, cleaning, greasing, mobilization, & jelly putting in clamp & connectors, earthing flat, jumpers and other equipments related with insulators, isolators, pt. d 220 kv half main bus-i&ii ,nut bolt tightening, adjustment, cleaning, greasing, mobilization, & jelly putting in clamp & connectors, earthing flat, jumpers and other equipments related with insulators, isolators, pt. e 220 kv transfer bus-nut bolt tightening, adjustment, cleaning, greasing, mobilization, & jelly putting in clamp & connectors, earthing flat, jumpers and other equipments related with insulators, isolators, pt. f transformer-nut bolt tightening,cleaning, in clamp & connectors, earthing flat, jumpers, silica gel filling, and other equipments related with transformer body. g sst-nut bolt tightening,adjustment, cleaning, clamp & connectors ,earthing flat, jumpers and other equipments related with sst body. h transformer- ir value measurement, i transformer- bdv measurement, j circuit breaker- ir value measurement, k ct[of a bay]- ir value measurement, (quarterly basis) l ct ratio test quarterly, knee point, secondary resistance & tanδ & capacitance yearly basis. m la [of a bay]- ir value measurement (yearly basis) n pt /cvt[set]- ir value measurement (yearly basis) o pt/cvt tanδ & capacitance yearly basis (yearly basis) p measurement & testing of transmision line- using fault locator or any other device q measurement & testing of cb and relay- using ct injection kit or any other device ( timing test and tanδ & capacitance yearly basis and crm half yearly basis). r measurement & testing of any grid equipment- using any kit available in jusnl or grid s thermography vision report of all grid equiopments. 3 maintenance/emergency maintenance of grid substation as per schedule and job provided by engineer incharge a replacement of nut-bolts b replacement of jumper (conductor/ strip) c replacement of clamp & connectors/pg/jumper conia d replacement of female contact e replacement of female contact base f replacement of isolator blade g replacement of isolator blade base h replacement of female contact at high level i replacement of isolator blade at high level j replacement of insulators k replacement of 220 kv or 132kv ct/pt junction box including cable terminationn& connection l replacement of 132kv cb pole m replacement of 220 kv cb pole n minor repairing of trasformer- meggering with opening of bushing connectors , checking of prv, vent pipe & buchholz relay, oil top-up etc….. including all or any. o minor repairing of ct- meggering,opening top cover, replacement of gasket & ct stud , oil topup etc..including all or any p minor repairing of pt- meggering,opening top cover, replacement of gasket & pt stud , oil top up etc..including all or any q minor repairing of cb-meggering,gas filling, checking of mcb, contactors, motor, spring and tripping or closing coils, sf6 gas filling etc… including all or any. r minor repairing of isolator-adjustment of contacts & moving part etc… s minor repairing of panel- looping & wiring of cabels, loose contact rectification, replacement of lugs,ferrules etc… t filling of sf6 gas u fixing and replacement of earthing copper bond/flat v fixing and replacement of energy meter/ mw meter/ voltmeter/ ammeter/ relay 4 misc work of grid substation as per schedule and job provided by engineer incharge a battery system cleaning b cleaning of panels( including all 132kv panel, 220 kv panel ,acdb, dcdb,etc) c rectification of lighting and auxiliary power supply in grid premises & colony d material/ equipment manual shifting & movement in grid premises e measurement of earth footing resistance of all earth pits. f laying of control cable 5 break down maintenance a mobilization/demobilization of labour gang b supply of emergency gang with t&p for work like conductor snapping of main bus 6 supply of hydra / crane(upto 8mt capacity ) as per requirement 7 complete overhauling with painting of 150 mva transformer cooling fans with supply of all materials if required 8 transportation of materilas & equipments through truck/pickup upto 3mt including loading,unloading of the materials (i)upto first 50km (ii)50km