SITC OF 630 KVA TRANSFORMER AT NMCH HOSPITAL, KOTA

SITC of 3 /4 pole current limiting Moulded case circuit breaker (MCCB) made of flame retardent & heat resistant material having following current rating, short circuit breaking capacity at 440/415 V, 50 Hz; O/L & S/C settings , conforming to IS/IEC 60947 P -2 :2003 with front face and centralised adjustable, trip free mechanisum, true contact position indicator, designed for both horizontal & vertical mounting without any adverse effect on electrical performance, suitable for operation from 50 to 55 degree and without derating upto 40 degree, pollution degree 3, having positive isolation capability, push (test) to trip, trip time less then 10 ms under s/c condition, Breaking capacity Ics = 100% Icu. U imp =8 KV, rated insulation voltage 690V. provision for UVR , shunt trip , earth fault trip, door interlock, pad lock & rotary handle ( to be paid extra) , including making connections etc. as required. OEM shall have submit NABL / CPRI / ERDA/ Intertek accrediated lab type test certificate. 4 pole MCCB With Thermal Magnetic release 800 Amp , 50 kA, adjustable O/L & adjustable S/C setting,

Providing & Laying XLPE insulated three core Armoured Aluminium cable for working voltage 11 K.V.(E) confirming IS :7098 P - 2 with H4- Grade electrolytic aluminium conductor confirming to IS: 8130 class-2 of purity >99.6 %, Insulation Screening: Extruded Semiconducting Compound followed by helically wrapped Copper Tape, round / flat strip armouring of cables , Inner / outer sheath PVC type ST-2 confirming to IS:5831 in existing RCC pipe / Hume Pipe/ Stoneware Pipe/ PVC pipe/ open duct/cable trench / Cable tray (with cable tie) including testing etc. as required of following size. 3 core 185.0 Sq.mm

Providing & making heat shrinkable type indoor/outdoor/straight through terminations/ joint kit suitable for 11 KV / 33 KV (Earthed) cable with required components, prepration of cable ends. Type test report should be as per IS13573:2011 including testing etc. as required of following sizes. 11 KV End Termination Kit Outdoor type 3 core 120/150/185 Sq.mm

SITC of Strip in Pipe Earthing using hot-dip galvanized 'B' class G.I. pipe, as secondary conductor. The system shall incorporate a crystalline conductive compound between the primary and secondary conductors to enhance conductivity and long-term stability. of following size and length and as per point mentioned (a), (b), [c), (d), (e) (f) as below (a) Bore a hole of dia. 150 mm of required length, Place the rod in the centre of Hole (b)Earth enhancing compound to ensure the moisture content and electrical conductivity, 30 kg for 3000 mm. 20 Kg. for 2000 mm The compound shall be tested form NABL accredited lab for low resistivity (less than 0.12 Ohm - meter) & high conductivity in nature with carbon as a major content in accordance with IEC 62561-7 © Connect the Strip Terminal (110 mm long) with copper Strip/Conductor/Wire with suitable clamp made from tinned copper and SS 304 Bolt (d) Place Heavy duty weather proof poly-propylene earth inspection chamber as per requirement of IS/IEC 62305 and tested as per IEC 62561-5 with lockable Jam free lid suitable for safe working load 60 kN of round / square size 250 mm, and Height 250 to 300 mm. (e) Testing of earth resistance for value of 5 ohms or less as required. (f) Test certificates for confirming above standards from OEM is mandatory. Outer Pipe - 76 mm dia GI pipe , Inner Conductor- Copper strip 25x3 mm Length 3meter. Terminal 50x6mm Copper.

Supply & Laying following size earth wire in horizontal or vertical run in ground/surface/recess including riveting, soldering, saddles, making connection with GI/Cu purity purity >95% thimble etc. as required. 8 SWG copper Wire

S I T C of star rated Aluminium wound distribution Transformer of following rating 11/0.433KV Delta-Star Connected, Vector Group Dyn 11,ONAN Cooled & as per BEE star - 1 ( Correspnding level as per BIS amended upto date of receipt of tender) & BIS approved as per IS 2026- 1977 & losses as defined as per 2014 (Fourth Revision) Level-1 including standard accessories like conservator, silica gel breather, radiator, fins, HT cable box & LT cable boxes, temperature rise in winding/oil 35-40 degree C upto 200 KVA & 40-45 degree C for above 200 KVA, ISI marked drain valve, Dial type Temperature gauge, first filling of transformer oil as per IS :335-1953, Epoxy based paint, undirectional rollers as required including carrying of pre-commission Testing & Charging of Transformer complete in all respect . Factory Tests : The Transformer shall be subjected to routine factory tests (as per IS:2026 and IS:1180) 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 engineer 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 be tested from CTL of discom before charging of transformer & complete installaion must be certified from Electrical Inspectorate office as per Indian Electricity rule, (CTL testing charges and Electrical Inspection charges shall be reimbursed by the department to the contractor)

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. 500.0 Sq. mm 1 core

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. 500.0 Sq.mm

Supply and fixing of following accessories for Moulded case circuit breaker (MCCB) compatible to main MCCB OEM as per PWD specification for electrical Works, conforming to IS/IEC 60947 P - 2 :2003 including making connection etc complete in all respect. Spreaders for 800A, 4Pole MCCB

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