Supplying Installation Testing Commissioning of one no. 1000 KVA 11.433 V copper wound distribution Transformer 800 KVA Servo Stabilizer and connected Allied works for Newly Installed Oxygen Concentrator Plant Covid 19Isolation Centre and ot

Amount

Supply ,Installation.Testing & Commisioning of 1000KVA,11/0.433KV 50Hz,Outdoor type,Dyn-11 oil immersed,CopperWound,ONAN Cooled, step down ,Distribution Transformer having C.R.G.O core ,Confirming to IS: 1180 Part-1:2014 with latest amendments dully tested,painted and Oil filled to IS: 335 of 1983 with Latest amendments.The transformer shall be complete with following fittings:- a) Oil conservator with oil level indicator , minimum level marking and drain plugs. b) Off circuit type tap changer with position indicator and locking arrangement. c) 100mm dial type /Stem type thermometer with metal gaurd. d) Lifting lugs and Bi-directional roller. e) Rating Diagram and terminal marking plate f) Explosion Vent and valves for filtration ,drainage and filling e.t.c with necessaryplugs ,including air release plug. g) Radiator assembly and silica gel breather. (ALBA/ABB/BHEL/Crompton/JK Transformer make)

Supply, installation, testing and commissioning of servo motor operated line voltage correctors copper wound. Indoor, continuous duty, three phase, to work under unbalanced condition of input voltage and unbalance load which shall comprise 3 nos. fully IC controlled sensing circuit microprocessor based with built in filters & improve the output wave to be pure sinusoidal and control each phase individually. Conforming to IS. 9815:9914 with input voltage range: 250-460V (phase to phase), output voltage 415 (As set output voltage), ± 1%,with under voltage, over voltage & over current protection, naturally oil cooled with first filling of transformer oil with necessary bypass switch arrangement complete with following accessories etc. as required. (Make as Per Makelist Annexed to NIT ) Capacity - 800 KVA Input - 250 – 460 V AC Output - 415 V + - 1 % First filling of oil Drive : Heavy duty A.C Sychronous Motor Alarms: a) Input low voltage cutoff . b) Input High voltage cutoff. c) Output low voltage cutoff. d) Output High voltage cutoff Controls: a) Auto/Manual. b) Manual Bypass changeover Switch c) Manual Raise/Lower for output voltage d) Metering digital. Under / Over Voltage Cutoff Protection Using Contactor 1250A (Inbuilt) Class of insulation:- Class E , Stabiliser Standard:- As per IS: 9815250 Amp. FP ACB ( Electrically Operated ) having breaking capacity atleast 50KA at input for over load and short circuit protection in M.S. enclosure with bus bar. Manual By-Pass / Changeover Switch 1250A - With Enclosure Note: Servo motor voltage stabilizer as per SLD

Providing and making of earth pits using appropriate mixture of salt and charcoal.The job includes providing fixing of copper plate of size 600mmx600x3mm, pit should be dug 3 mtr from the surface including 25mmx5mm copper strip in separate 1½" G.I Pipe from plate to surface and laying of 40 mm G.I water pipe to the plate complete as per latest specification.

Providing and fixing of 25mmx5mm copper strip from earth pits to 1000 KVA Distribution Transformer to be laid through 2 mm thick MS conduit of appropriate dia .

Supply and laying of 120 mmsq 3core 11 KV (E) XLPE cable circular aluminium conductor, conductor screened, XLPE insulated, insulation screened with extruded semi-conducting compound in combination with copper tape. Aluminium round wire armoured and overall PVC sheathed earthed cable conforming to IS:7098/II/85 with latest amendments.(Havells/Polycab/KEI/Gloster make)

Supplying and making outdoor cable end termination with heat shrinkable jointing kit complete with all accessories including lugs suitable for following size of 3 core, XLPE aluminium conductor cable of 11 KV grade as required :(Denson /3M/ Frontec/Raychem make)

Supply,testing,connecting & Commissioning of 1000 mm ² single core Aluminium PVC Sheathed Armoured cable (ISI Marked) (Polycab /Havells/Gloster/KEI/Skytone make) from alternator to AMF Panel to main sub-station 1600 Amp Changeover switch

Laying of one number PVC insulated and PVC sheathed / XLPE power cable of 1.1 KV grade of following size direct in ground including excavation, sand cushioning, protective covering and refilling the trench etc as required.

Laying of one number additional PVC insulated and PVC sheathed / XLPE power cable of 1.1 KV grade of following size direct in ground in the same trench in one tier horizontal formation including excavation, sand cushioning, protective covering and refilling the trench etc as required.

Laying of one number PVC insulated and PVC sheathed / XLPE power cable of 1.1 KV grade of following size in the existing masonry open duct as required.

Laying and fixing of one number PVC insulated and PVC sheathed / XLPE power cable of 1.1 KV grade of following size on cable tray as required.

Providing and making of end termination of 1000 mm² single core Aluminium cable including thimbling, crimping tapping, testing and connecting as per site requirements (dowels /3D make)

Providing and fixing of Cable Glands of 1000 mm sq. single core Aluminium Cable .

Green stars

TZ Engineering Works

Ali Mohammad Baba and Sons