Supplying and fitting of 33 KV VCB with 33 KV C.T. and P.T. and renovation of Electric Sub-Station (33/11KV) with its all components for Booty Pumping Plant under D.W. and S. Mech. Urban Division, Ranchi.

Supply, design, manufacture, assembly, fixing, commissioning and testing of 33 KV, 3 Ph., 50 C/S, 800A, 25KA, Outdoor Type, Porcelain Clad, Vacuum Circuit Breaker for efficient and trouble-free operation as specified hereunder. The Equipment will be used in non effectively neutral grounded System with fault level of 20 KA at highest system voltage of 36 KV, continuous current rating shall be 800 Amp. Maximum temperature attained by any part of the Equipment at specified rating should not exceed the permissible limit as stipulate in the relevant standards. Equipment shall be designed taking 40 0C as maximum ambient temperature.The circuit breakers and their components shall be capable of withstanding the mechanical forces and thermal stresses of the short circuit current of the system without any damage or deterioration of material.The circuit breakers shall have motor wound spring charged trip free mechanism with antipumping feature, and shunt trip. In addition, facility for manual charging of spring, shall be provided along with complete mounting structures, operating mechanism and all associated accessories and auxiliaries. Make:ABB/SIEMENS/CROMPTON/SCHNEIDER

Supply, irrection, fitting, fixing and test of 33KV& 11KV 33/√3/110/√3/110/√3 PT (Core 1:0.5S, Core2:3P) Potential Transformer completed in all respects and shall conform to the modern practice of design and manufacture, shall be cast-resin type with an accuracy class of 0.2 for line metering & 0.5 for bus metering and 3P for protection. PTs shall be of the single-phase type. PTs shall be protected on their primary side by fuse and by MCB (with auxiliary contacts) on the secondary sides. It shall be possible to replace PTs without having to de-energise the main bus bars.PTs shall be provided with disconnected type test links in both secondary leads for carrying out current and phase angle measurement.

The Current Transformers 33KV 800-400/5-5A CT and 11KV 800-400/5-5A CT shall be suitable for up right mounting on steel structures and shall preferably be suitable for horizontal transportation. Necessary flanges, bolts, clamps fittings etc. for base of CT shall be arranged by the manufacturer to match with standard base structure. Fixing Hole centre to centre distance in ‘X’ & ‘Y’ direction shall be 330 mm. (± 5 mm by slotted holes). The CT shall be complete with all accessories like terminal connectors, weather proof terminal box for secondary connection, lifting lugs, grounding terminals, oil level gauge glass, filling and draining plugs and name plate. The CT shall be oil immersed type provided with Class-A insulation. The design and construction of CTs shall be sufficient to withstand the thermal and mechanical stresses resulting from the specified short circuit currents. The core of the CTs shall be high grade non-ageing, silicon laminated steel of low hysteresis loss and high permeability to ensure high accuracy confirming to IS:3024. The core material used for metering shall be stated in tender.

Supply, design, installation, testing and commissioning of 230V phase-2 wire AC automatic float cum boost (50 Amp) battery charging equipment suitable for 24V, 150AH, VRLA with value regulated SMF lead acid 24V 150AH SMF battery Exide/HBL make with stand and standard accessories, conforming to degree of protection IP – 42, sheet steel enclosure 14 SWG thick, with automatic voltage regulation, current limiting circuitry, auto cut facility, smooth filter circuit switches, ammeter & voltmeter on DC side, RYB indicating lamps (LED type) on AC side complete in all respect with float and boost / buck charging, switchgear, Earthing, powder coated etc as required including one no. distribution board having 63 Amps DP MCCB as incomer and 12 Nos. 20/16A DP MCB's (D.C. duty) as outgoing complete with stand as required and as per technical specifications. Make:- HBL Power Systems Ltd. / AMARA RAJA / Global Powersource (India) Pvt. Ltd. / Liveline or ISI Brand

Cost towards supply & fitting of 29 core x 2.5 sq.mm copper control cable for connection of Control Panel to OLTC & CRT to VCB.

Supplying and erecting of approved make 33 KV H.T outdoor type gang operated Air Break triple pole switch with earth 3 post/ Pin type insulator per phase, mounted in horizontal or vertical position on provided cross arm with adequate length of G.I. pipe for operating handle provided with lock and key at suitable height from ground with necessary clamps as per IS: 9921.

Supplying and erecting of approved make 11 KV H.T outdoor type gang operated Air Break triple pole switch with earth 3 post/ Pin type insulator per phase, mounted in horizontal or vertical position on provided cross arm with adequate length of G.I. pipe for operating handle provided with lock and key at suitable height from ground with necessary clamps as per IS: 9921.

Supplying and erecting of approved make 33 KV line outdoor type Horn gap fuse with insulator, fuse element, with working current up to 50 amp. Capacity complete erecting on provided cross arm, each set compressing 3 Units as per IS: 9385.

Supplying and erecting of approved make 11 KV line outdoor type Horn gap fuse with insulator, fuse element, with working current up to 50 amp. Capacity complete erecting on provided cross arm, each set compressing 3 Units as per IS: 9385.

Supplying and fitting 11 KV post insulator

Supplying and fitting 11 KV pin insulator

Supplying and fitting of ACSR DOG Conductor.

Cost towards supplying & fitting of 33 KV post type insulator.

Cost towards supplying & fitting of 33 KV pin type insulator.

Cost towards alumunium pipe PG Clamp.

Cost towards 33 KV pin type insulator connector.

Cost towards supplying & fitting of 11 KV pin type insulator connector.

Supplying and fixing of 33/ 11 KV danger board.

Supplying, testing & commissioning of Firefighting equipment 5 Kg dry type

Cost towards providing all labour, tools and tackles and technicians for scratching old paints & rested portion of total DP structure, Angular poles, channels, rail pole etc. and painting with one coat of red oxide over two coat of Aluminium paints as required. Substation i) ISA (50x50x3)mm Area= 145 m² ii) ISMC 100 mm Area = 65 m² iii) ISMC150mm Area = 230m² Total area = 440 m²

Earthwork in excavation in foundation trenches in ordinary/hand soil and disposal of excavated earth as obtained to a distance up to 50 M including all lifts levelling, ramming the foundation trenches, removing roots of trees, shrubs all complete as per approved design and direction of E/I. 23.35m x 17.56mx0.304m = 124.65 m3

Providing coarse clean sand in filling in foundation trenches or in plinth including ramming and watering in layers not exceeding 15mm thick with all leads and lifts including cost of all materials, labour, royalty and taxes all complete as per building specification and direction of E/I. 23.35 m x 17.56 m x 0.125m = 51.25m3

Aggregates 25mm to 10 mm at quarry. The coarse aggregates shall consist of crushed rock, crushed gravel or other hard materials on the 2.36 mm sieve, they shall be clean, hard, durable of cubical shape, free from dust and soft or friable motler, organic or other deleterious matter. 23.35 m x 17.56 m x 0.125m = 51.25 m3

HT Aluminium armoured cable PVC Insulated and PVC sheathered 11KV 3 Core 400 sq.mm for connection from 11 KV line to VCB.

Supplying & fitting HT 400 sq. mm 11 KV end termination kit outdoor type.

Providing ESE Air Terminal (Allytech 60) along with adopter element, early emission (ESE) type Lightening Arrestor made of robust stainless steel. CPRI Tested, Make:Allywell.

Supply of Mast (G.I. pipe of 5 meters height) for mounting the Allywell ESE Air terminal along with supporting stray wires etc.

Providing Chemical earthing with 80 mm dia, 3 meter long dual pipe with 2 Bags Electrogrip BFC (NTH Certified). 1 Set.

Supply of Allywell HVSC down conductor 2100 x 35 mtr

Cost towards supply & fitting Lightening Strike Counter

Installation, testing and commissioning of complete system of Lightening Arrestor.

MAA BHADRAKALI CONSTRUCTION & SUPPLIER