Maintenance of 220/132 KV (SAS) Sub-Station Robertsanj under ETD, Robertsganj.

Amount

Maintenance of Sub station

Routine checking and maintenance work of tansformers installed at 220/132 KV S/S Robertsganj including checking and maintening of oil level in conservator, OLTC gear casing, divertor switching , breather, bushing, oil seepage & leakage, siilica gel colour, AC supply, noise and vibrations etc. (Required consumable materials shall be provided by department.)

Routine checking and maintenance of 220 KV, 132 KV CTs and CVTs including checking of oil level, oil leakage and filling of T/F oil upto required level, cleaning of dust of insulator, tightening of wiring on TB in junction box. (Consumable material shall be provided by department)

Regular maintenance of battery cell with reading (voltage, specific, temperature etc.) cleaning make up of distilled water & applying petrolleum jelly on cells, tightening of leads of battery set. Bettery water, petrollium jelly, ctton cloth etc consumable materials, T&P included in cost (Except new bettery cell repairing)

110V 200AH Battery set (2set)

Routing checking & maintanance of switchyard equipment C&R panel, ACDB &DCDB panel. ( Required consumable materials shall be provided by department.)

Servicing & maintenance of Air conditioners in every two month (from march to sept) installed in control room, kiosk room, Sub Divisional Officer room by replacing of damaged parts , gas filling to be done for proper running of air conditioners. First servicing in the month of LOI/Agreement of issue date. Complete the Job satisfactorily with all cost of man and T&P. (All spares, cooling gas shall be provided by department free of cost.)

Daily general cleaning and maintenance of control room to main gate, committee room, associated office all assoicated door & windows glass, battery room & all associated work etc. By brooming & mooping along with cleaning of associated Toilet, washroom and scraping of unwanted growths in between joints of CC roads etc. in associated job consumable material including in cost.

Replacement of defective/damaged 220/132 KV CB pole by the way of openning of jumper, dismantling of dammage pole and replaced by new one of same rating including shifting of new pole store to site and deffective/damage material site to store in safe place.

Cleaning of jungles including up-rooting of rank vegitation grass, bushes and scrapping of grass above 2 cms over ground level, collection of foreign materials, papers, plastics includiing cleaning of drainage, trench cover and general cleaning maintaning all time upto one year all man and T&P arranged by contractor.

First cutting between within 1 month of LOI/Agreement date and spraying of weed medicine of 2 times in interval of 15 days and dry grass throughing in outside of premisses.

Second cutting after three month of first cutting and sprayig of weed medicine of 2 times in interwal of 15 days and dry grass throughing in outside of premisses.

Third cutting after three month of second cutting spraying of weed medicine of 2 times in interwal of 15 days and dry grass throughing in outside of premisses.

Tightening of nuts bolts, cleaning of insulators and replacement off defective clamps and connecter of various equipment in all 220, 132 KV bays in 220/132 KV switchhyard. Complete the job satisfactorily with all man and T&P (Materials shall be provided by department.)

First job in the month of March-April (before summer season) as per abailablility of shutdown.)

Second job in the month of september-October (before festive season)as per abailability of shutdown.

Replacement of damage jaw/blades of 220 KV, 132 KV isolators by opening of defective jaw and bleade its tightening after removing connected jumpers and its proper re-jumpering including lubricating of jaw/blade with all man and T&P (Materials shall be provided by department.)

220 KV side

132 KV side

Replacement of jumper

Zebra

Replacement/dismantaling of following equipments by new one by the way of opening of nut and bolts,m opening of jumpers, cable connections, earthing etc. including shifting of new equipment site to store/designated place in the yard as per direction of supervising engineer at 220 KV sub-station Robertsganj.

245 KV instrument transformer (CTs, CVTs)

198 KV lightning arrester

245 KV post insulator

145 KV instrument transformer (CTs, CVTs)

120 KV lightning arrester

145 KV post insulator

Removal/fixing/maintenance of complete sodiuum/LED light fitting assembly from poles/tower/plateform building etc.

Upto 10 meter

10 meter above

Replacement of damaged control/power cable in original position including taking out damaged cable from cable rtench, shifting to store. (Cable provided by department)

M/S KSHITIJ ENTERPRISES

M/S MIEENAKSHI ENTERPRISES

M/S SHANTI ENTERPRISES