E-Quotation for SITC of 630 Amp 33 kV Outdoor VCB, 160 KVA 33/0.433 KV DTR and Making of separate Bay for HT sub- station, AB switch, lightening arresters, HT cables etc. and allied works at WTP at Chhotagovindpur MPWSS

Cost towards Supply, installation, testing & commissioning of 33 KV ,3Ph,50 C/S, 630 Amp., 25 kA(3sec), outdoor type Vacuum Circuit Breaker for efficient and trouble-free operation. The Circuit Breaker are required complete with operating mechanism and all associated accessories and auxiliaries including control and monitoring panel indoor type. Rated voltage /frequency-33kV,50 Hz Highest System Voltage-36kV Rated current-630 A Rated power frequency withstand voltage (1 min)-70kV Rated lighting impulse withstand voltage-170kV (Peak) Rated short circuit breaking current-25 kA Rated short time withstand current 25kA, 3sec Rated short circuit making current-63 kA(Peak) Operating sequence-O-0.3 Sec-CO-3 min-CO Service condition :- 25°C to +55°C Insulation Level-36KV/70KV/170KV(P) DC auxiliary volts-24V/30V DC, AC auxiliary volts-230 v, each breaker shall be furnished with fittings and accessories -Clamp type terminal connectors for ACSR Conductor, Base frame and foundation bolts. Operating Mechanism-Type: Spring Charged (Motor Operated) trip/close coil Supply-24/30V DC, Auxiliary contacts and relays/contacts, Local/remote selector switch and close/trip control switch., Manual close and trip devices also provided, Mechanical ON-OFF indicators, operation counter, weather proof control cubical and operating mechanism boxes with locking arrangement, Set of switch –fuse/MCB/MCCB units for AC & DC supply., Space heaters with thermostat and switch. Cubicle illumination lamp with switch, Terminal blocks and internal wirings, Other standard accessories which are not specified but are necessary for efficient and trouble free operation shall be supplied. Make- Siemens India/ ABB /CG power / Schneider Electric India / Kirloskar Electric/ BHEL.

Cost towards supplying, installation, charging and testing of outdoor type copper wound transformer continuously rated for 3 Ph, 50 Hz, at full load and temp. rise not exceeding 45°C by thermometer in oil and 50°C by the resistance in winding after continuous run at full load rating, the transformer should have oil immersed winding having vector group Dyn11, HT side connected in delta and LT side connected in star with neutral brought out connected to provide separate earthing. The transformer shall have power terminal arrangement, bushing/cable end box on HT side and cable end box on LT side -02 Nos. channels with stoppers shall be provided and fixed on the provided plinth for mounting the transformer. The transformer should have following standard fittings. Transformer shall be latest manufacturing standards as per amended IS specifications and the load & No-load losses shall be limited to the values given below or as per IS:2026 or Norms issued by SEB which ever are lower- 1.Oil conservator with filling hole with cap and plain oil level gauge. 2.Silica gel dehydrating breather charged with silica gel. 3.Oil drain Valve 4.Oil filter valve 5.Lifting eyes/hooks 6.Two earthing terminals 7. Diagram and rating plate 8.Air vent 9.Explosin Vent 10. 100 mm dia. Thermometer with thermometer pocket 11. Four bi directional plain roller. 12.T-Oil for filling and top up – 470 ltrs. or as per requirement and charging & testing charge all complete. Transformer -33/0.433 KV with Off load Tap Changer-12.5% to +5% in steps of 2.5% and other specifications as per BIS level-2. Transformer capacity-160 KVA, 33KV/0.433KV. at a WTP Campus Chhota -Govindpur. Make-Tesla/ Kirloskar /ABB/ BHEL/ CG power/ PVJ power/Servomax

Supply, Installation, Testing and commissioning of Indoor type, floor mounted/ free standing SS enclosed Dust & Vermin proof Powder coated/enamel finish, degree of Protection-IP-55 of Size-Height-2200-2400 mm and width-600-800 mm local/remote operated Control, Metering and Monitoring Panel (PCM) unit for 33 Kv outdoor VCB comprising such as (i) Over current Protection (ii) Earth Fault Protection (iii) Over/Under Voltage Protection (iv) Frequency Protection (v) Breaker Protection & Supervision –monitors trip circuit Health (vi) Alarm & Annunciation System (vii) Thermal & Equipment Protection- Transformer Protections -Buchholz Relay, WTI & OTI (viii) Human Safety Measures-Emergency trip Push buttons etc. including all labour tools, tackles and technician cost all complete. Make- Siemens India/ ABB /CG power / Schneider Electric India / Kirloskar Electric/ BHEL/ISI Mark reputed make.

Cost towards supplying and fitting of 33 kV Oil cooled Outdoor type C.T. of CT ratio -600/1 A ,1Core-metering 0.5 Class, 1 core-Protection-(5P10/5P20), Burden-15 VA, Short time rating-25 kA/3sec., Insulation Class-36 kV approved make ISI marked including all labour tools, tackles and technician cost etc. all complete.

Cost towards supplying and fitting of 33 kV Oil cooled Outdoor type P.T. of PT ratio -33Kv/110V ,1Core-metering (0.5 Class,50VA), 1 core-Protection-(3P class,100VA), Burden-50/100 VA, Insulation-36 kA Class(70/170 kV) approved make ISI marked including all labour tools ,tackles and technician cost etc. all complete.

Cost towards earth work in excavation in foundation isolated footing trenches in hard soil, sand filling in foundation and making of GI angle structure made of angle size-65mmx65mmx8mm, cutting of angle, setting and welding as per instruction of E/I for structural support of above VCB unit, CT & PT unit with all labour tools tackles and technician charges.

Providing designation 75B one brick flat soling joints filled with local sand including cost of watering taxes royalty all complete as per building specification and direction of E/I. (Size-1.5 mx1.5m=2.25m² x7 Nos.=15.75 m²)

Providing P.C.C M-200 (1:1.5:3) in foundation with approved quality of stone metal grade clean coarse sand of F.M. (2.5 to 3) including screening mixing cement concrete in mixer and placing in position vibration, curing taxes & royalty all complete as per building specification and direction of E/I. (Size-1mx1mx1m=1m³x7 Nos.=7m³)

Cost towards foundation bolts of 5/8’’ size 400 mm long -6 Nos. per foundation for 07 nos. foundation structure.

SITC OF BATTERY BANK WITH FCBC CHARGER AT SUB STATION-CHOTAGOVINDPUR WTP CAMPUS Cost towards Supplying and Fitting of float cum boost charger Panel of input- 230 V AC and output-110V DC, 10-15A, Float-V-121-123V, boost V-130-135V maximum charging current-15 Amp. Maximum allowable ripple< 2% rms. Of size- 5’ x 1½’ x 5½’ of MS sheet box of SWG-16 Comprising of main circuit board integrated circuit transformer and other necessary accessories and testing etc. all complete.