SITC of 500 KVA Transformer for Janana Hospital at Alwar

Supply installation testing & Commissioning of Copper wound distribution Transformer of following rating and % Impedance, 11/0.433KV Delta-Star Connected, Vector Group Dyn 11, ONAN Cooled losses as per IS 1180 part I 2014 (Fourth Revision) Level-1, including standard accessories like conservator with prismatic oil level gauge , silica gel breather, Bucholz relay, pressed steel radiator fins, Radiator Valve(above 800 Kva) Suitable size HT cable box, LT cable box or Busduct adaptor box, Off -LTC ( +5% to - 7.5% in steps of 2.5 %), temperature rise of 40 degree C in oil / 45 degree C in winding , drain valve, Air release device, Dial type Oil & Winding Temperature gauge with alarm & trip contacts, first filling of transformer oil as per IS :335-1953 , Epoxy primer and PU based paint as Top coat, Unidirectional rollers for rating upto 800 kva & bi- directional above 800 Kva rollers with locking arrangement etc. as required. Factory Tests: The Transformer shall be subjected to routine factory tests (as per IS:2026 and IS:1180) including Temperature rise test in OEM's own lab and same shall be witnessed by Department engineer. Site Tests: Following tests shall be carried out on each transformer at site by OEM enginer in presence of department's site engineer:- a) Ratio test on each tapping.b) Resistance of windings at principal and all tapings.c) Insulation resistance of the winding between HV to earth / HV to LV / LV to earth.d) Vector group test.e) Magnetic Balance test. Transformer shall also be tested in CTL of discom before charging & complete installaion must be certified from Electrical Inspectorate office as per Indian Electricity rule, (CTL testing charges and Electrical Inspectorate office charges shall be reimbursed to the contractor)

500 KVA with % Impedance 4.5

Providing & Laying XLPE insulated & P.V.C. sheathed Armoured Aluminium cable confirming to IS :7098 P - I of 1.1 KV with H4- Grade electrolytic aluminium conductor confirming to IS 8130 of purity >99.6 %, round / flat strip armouring of cables, Inner / outer sheath confirming to IS:5831 in existing RCC / Hume / Stoneware / PVC pipe/ open duct/cable trench / Cable tray(with cable tie) including testing commissioning etc. as required of following size.

240.0 Sq. mm

3.5 core

Supplying and making one end termination with Nickel plated heavy duty brass single compression gland (as per IS 12943-1990)) SIBG type consisting of Check Nut, Gland Body, Metal Washer(3 Nos.), Outer Seal Rubber Ring, Compression Nut, heavy duty aluminium lugs (as per IS 8309 -1993) duly crimped with crimping tool, PVC tape as per IS 8337-1976 of following size of PVC insulated & PVC sheathed/ XLPE aluminium conductor cable of 1100 volt grade as required.

3.5 x 185.0 sq.mm

3.5 x 240.0 sq.mm

Supplying and making end termination with heavy aluminium lugs ( Pin / ring type ) confirming to IS 8309 -1993 duly crimped with crimping tool, PVC tape etc of following size.

185.0 Sq.mm