Tender For provision of external electric supply for 661 sailors inliving accommodation at visakhapatnam - supply, installation, testing and commissioning of outdoor type step down transformer 1000 kva 11kv/433v dyn11 oil filled (onan) distribution transformer double copper wound with radiator wall with conservator tank & porcelain bushing for ht, lt with off circuit tap changer, marshalling box all as per is 1180 (part-1) : 2014, bee certified, energy efficiency level ii (as per latest ammendment no 4) complete as directed., a) off circuit tap changer (octc), tapping range +5% to -10% in a steps of 2.5% per step (7 positions)b) temp. rise shall be 40/45 deg. c for oil/winding resp. over an ambient of 50deg.c tempc) insulation class: ad) losses ( subject to is 1180 efficiency level 2/ star 2 as per latest amendment 4) max. total loss @ 50% loading: 2620 w and max. total loss at 100% loading: 7000 w.e) % impedance (%z) shall be 5.00% (subject to is tol.)f) rating & diagram (r&d) plate (fitted on transformer)g) oil temp. indicator (oti) with alarm and trip contacth) winding temp. indicator (wti) with alarm and trip contactj) rated temp class of transformer compartment k10 upto 1000kvak) lifting lugs/ hooks for transformer.l) oil filling inlet pipe with plug.m) air release valve and drain out pipe with plug.n) conservator tank with level guage.o) silica gel breatherp) first oil fill up to recommended level by manufacturer with new oil as per is 335.q) cable terminal boxes with bushes on both ht and lt sides.r) hv winding: delta & lv winding: star.note: civil work for the construction of foundation including necessary earthwork etc is deemed to be included in quoted rates of the item., supply and fixing main lt panel cpri approved made out of crca sheet 3.15 mm thick outdoor pedestal type totally enclosed with front and rear opening, hinged doors with projected an raised platform of suitable size, weather and water proof with necessary locking arrangements along with lugs, cable glands of various sizes for cables, danger notice plate, strickering of switcher gear about termination of switch gear, and the nuts/ bolts etc used are to be made of rust proof material incl as per al bus bar rated with insulators suitable for three phase and four wire lt ac, 50 hz 415 v 2000 a capacity complete with powder coating, necessary internal electric connection as required and provision of the following : (main lt panel)., incoming:air circuit breaker 1600 amps, 50 ka, mdo type, 4 pole, micro processor release, with adjustable type overload protection, short circuit protection, with necessary cts, meters and cable boxes. - 1 no.outgoing:a) mccb 250 amps, 25 ka, 4 pole, suitable for capacitive loads, thermal magnetic release, with adjustable type overload protection, short circuit protection - 07 no (bldg vtpn 02 nos, bldg panels 04 nos + spare)b) mccb 140 amps, 25 ka, 4 pole, suitable for capacitive loads, thermal magnetic release, with adjustable type overload protection, short circuit protection - 01 no (dg amf panel)c) mccb 160 amps, 25 ka, 4 pole, suitable for capacitive loads, thermal magnetic release, with adjustable type overload protection, short circuit protection - 01 no (ff panel)d) mccb 100 amps, 25 ka, 4 pole, suitable for capacitive loads, thermal magnetic release, with adjustable type overload protection, short circuit protection - 01 no (apfc panel)e) intelligent panel meter to measure voltage, current, frequency, power factor, kwh etc with all connected cts.f) led indicating lamps with colour red, yellow, blue of 03 sets.note: civil work for the construction of foundation including necessary earthwork etc is deemed to be included in quoted rates of the item., supply & fixing of perforated gi cable tray of size 150 mm width x 50mm depth x 1.6mm thickness with perforations not more than 17.5% in convenient sections, joined with connectors, suspended from the ceiling with gi suspenders including bolts & nuts etc as req
Tender For supply of pacco switch to m/s adtranz's pt.no.s3917, drg.no. swt-235114 r1, spare for control panel of tap changer type no. 32. or siemens part no. 3lao-270-3ym-103w [ warra nty period: 30 months after the date of delivery ]
Tender For supply of bearing plate al (right) to m/s adtranz's pt.no. s2118, drg. no. m-400452 r1, spare fo r load switch of tap changer type no. 32 or m/s. aal pt. no. g-2118, drg. no. 9980383637801. [ warr anty period: 30 months after the date of delivery ]