Repair, maintenance, painting, servicing Contract of ESS-1 and 2 (i.e. Transformers-500 KVA-2 Nos, HT and LT Panels, Distribution Panels, 200 KVA DG Set including panels-2 Nos etc.)

Amount

Repairs to plaster of thickness 12 mm to 20 mm in patches of area 2.5 sq.meters and under, including cutting the patch in proper shape, raking out joints and preparing and plastering the surface of the walls complete, including disposal of rubbish to the dumping ground, all complete as per direction of Engineer-in-Charge. With cement mortar 1:4 (1 cement : 4 fine sand)

Finishing with Deluxe Multi surface paint system for interiors and exteriors using Primer as per manufacturers specifications : Two or more coats applied on walls @ 1.25 ltr/10 sqm over and including one coat of Special primer applied @0.75 ltr /10 sqm

Finishing with Deluxe Multi surface paint system for interiors and exteriors using Primer as per manufacturers specifications :Painting Steel work with Deluxe Multi Surface Paint to give an even shade. Two or more coat applied @ 0.90 ltr/ 10 sqm over an under coat of primer applied @ 0.80 ltr/ 10 sqm of approved brand and manufacture

Engagement of Operator/Electrician/Line Man (01 No) Skilled

04 Nos H.T. PANEL & H.T. LINE: (i) The panel shall be maintained as per the frequency indicated below. Shut down in prescribed proforma must be taken before attending to this panel. Solid earthing must be done after making the busbars dead. Only licensed and registered Technician / Supervisor will be allowed to attend to H.T. System (ii) For panel, insulation test for phase to phase and phase to earth with 5000 v meggar are to be carried out once in a year and to furnish certificate. (iii) To check overheating & Temperature rise once in month.

04 Nos TRANSFORMER 500 KVA DRY TYPE CAST RESIN TRANSFORMERS 11KV /433V (i) Dehydration and filtration of dirty transformer oil for transformer with dehydration filter machine. (ii) Various connections of the transformer e.g. L.T. Connection neutral & Body – earthing are to be checked once in three months and if found loose is to be tightened. (iii) Bushings are to be examined for crack and dirt deposit and are to be cleaned or replaced as necessary once in months. (iv) Checking of neutral earth and equipment body earth once in a month. (v) Insulation testing of the following once in three months. i. Between L.T. and Earth with 1000 v meggar ii. Between H.T. and Earth with 5000 v meggar iii. Between H.T. and L.T winding with 5000 v meggar (vi) To check noise /humming sound & temperature rise (over heating) once in month. (vii) General cleaning of transformer to keep if free from dust and soot’s once in month. (viii) The Agency is liable to furnish certificate regarding above.