Urgent Servicing Overhauling and Repairing of 33 0.415KV Sub-Station along with allied EI works at Presidency University 2nd Campus New Town Kolkata 700156

Amount

Testing of sub-station equipments such as 2 Nos 1.25MVA 33KV/415V dry type Transformer, and 33KV HT 3 panel by special type testing instruments by scarching several hours detection to locate the fault of Sub-station equipments as per direction of E.I.C.

Dismantling the existing 33KV HT VCB 3 panel part by part very carefully to avoid any damages by the service Engineer's as per direction of E.I.C.

Thorough servicing and overhauling the 33KV HT VCB after dismantling all the components both electrical and mechanical portion & cleaning the same part by part after scraping carbon precipitation incuding washing the same by carbon tetrachloride solution properly to de-moisturised to raise IR value including checking time to time by HT megger for better result for IR value as required and re-assembling all the components properly by the service Engineer's as per direction of EIC

Through servicing and overhauling of the busbar of the 33KV HT VCB 3 panel, 9 Nos CT's & all spout etc. including cleaning the same by CTC part by part all other components both electrical & mechanical portion after scraping carbon precipitation including washing the same by carbon tetrachloride solution properly to de-moisturised to raise IR value including checking all the contact assembly inside 4 panel after cleaning all the busbars, CT's including checking time to time by HT 5KV megger for better result for IR value as required and re-fixing all the compenents properly by the service Engineer's as per direction of EIC.

Through servicing of 33000/110V HT PT after dismantling the existing PT part by part very carefully to avoid any damage and re-fixing the same after through cleaning the same by CTC part by part all other components both electrical & mechanical portion after scraping carbon precipitation including washing the same by carbon tetrachloride solution properly to de-moisturised to raise IR value including checking all the contact assembly for preparation of PT as per direction of EIC.

Thorough repair, servicing of the 33KV/415V 1.25MVA dry type transformer after opening all the covers part by part very carefully to avoid any damages as required and cleaning the same by the help of blower heater. The transformer's molded HT & LT coils, tap changing points should be clean by the help of CTC oil & CRC spray and checking all the connections, tightning all the nut, bolts etc. incl. cleaning and checking the mercelain box as per direction of EIC.

Thorough repair, overhauling, treatment and cleaning the 4 sets of internal L.T. Bushing, stud rods properly and opening the 3 sets of internal H.T. bushing, cleaning the same by C.T.C and re-setting all the bushing etc. in proper possition incuding all necessary work for proper charging as per direction of E.I.C.

Supply and Fixing of new auxulary relay TR7570 for merciling box of 1.25MVA Transformer with own tools and tackles as per standard safety measure and as per direction of EIC.

Supply & Fixing 110V DC pilot lamp as per direction of EIC.

Supply & Fixing 240V 2NO 2NC Auxiluari Contractor for DG AMF as per direction of EIC.

Supply & Fixing 240V Under Voltage Coil for DG AMF as per direction of EIC.

Supply & Fixing 240V Closing coil for DG AMF as per direction of EIC.

Supply & Fixing 240V Triping coil for DG AMF panel as per direction of EIC.

Thorough servicing and overhauling the existing 415V LT ACB after dismantling all the components both electrical and mechanical portion & cleaning the same part by part after scraping carbon precipitation incuding washing the same by carbon tetrachloride solution properly to de-moisturised to raise IR value including checking time to time by LT 1000V megger for better result for IR value as required and re-assembling all the components properly by the service Engineer's as per direction of EIC(Capacitor Bank-1000A-2nos, TR1-2000A,TR2-2000A, Tower1-1600A, Tower2-1600A, AMF Panel-800A (5nos), Buscupler-2000A,

Thorough servicing and overhauling the existing LT panel with 415V different sizes capacitor bank after dismantling all the components both electrical and mechanical portion & cleaning the same part by part after scraping carbon precipitation incuding washing the same as per direction of EIC(Capacitor Bank-120KAR, 60KVR & 30KVR

Servicing, Claning, tightening and checking of Main LT panels with DG AMF panel as per direction of EIC.

Supply & Fixing new capacitor bank in existing Substation main LT panel as per direction of EIC. a) 5KVR

Supply & Fixing 100AH, 2V, dia cell battery in existing battery bank as per direction of EIC.

Carrying out testing charges of 33KV HT 3 panel by necessary requisite testing machinaries including incomer & 2 Nos out going VCB's relay {(over current, earth fault, master trip, TRFO Auxilary relay (Alarm) & TRFO Auxilary relay (Trip)} as per direction of the EIC.

Supply and installation of thermal space heating element with thermostat configuration to avoide moisture attack for HT gear unit as per direction EIC.

Hiring of 25 KVA DG set in temporary basis.

S & D of Diesel Fuel for running 25 KVA DG set.

Serving Charges of Siemens 33KV 03panel VCB trolly that replacement of damage trolly with own tools trackles as per direction of EIC

Supply & fixing 1.1 KV grade hit shinking tube for extra high insulation of each terminal of cables as per direction of EIC.

Supplying and Delivery of following sizes Al. armoured PVC/XLPE cable (Gloster/Havells/polycab) as mentioned below as per choise of EIC a) 4 core 35 sqmm.(For LT panel to Fire pump panel)

b) 4 core 25sqmm (For LT panel to street light circuit)

Laying of one No. cable upto 35 sqmm inunderground trench 460mm wide x 760mm average depth,with brick protection on the top of the cable with 8 (eight) Nos.brick asper Mtr. including filling the space between the bricks and cable and also the trenchwith shifted soil, leveling up and restoring surface duly rammed. Vide page no F-2 Item no1.(b)

Laying of cable of following sizes on wall/surface including S & F MS clams with earthing attachment in 2 x 10 SWG GI (Hot Dip) Wire, making hole etc. as necy., mending good damages and painting as mentioned below as to GS:- Vide page no F 1 Item no 2 a) 4 core 35 sqmm

b) 4 core 25 sqmm

Supplying and fixing compression type gland complete with brass gland, brass ring & rubber ring for dust & moistureproof entry of XLPE/PVC armoured cables as below : vide page no F-4 item no 7 a) 4 core 35 sqmm

b) 4 core 25 sqmm

Finishing the end of following XLPE/PVC armoured cables by crimping method incl. supplying and fixing solderless socket (Dowels make), tapes, anticorrosive paste & jointing materials :(F5, b) a) 4 core 35 sqmm

b) 4 core 25sqmm

Straight through Jointing of cable of different size by compound jointing kit including S&F ferrul, tapes and jointing materials (Brand approved by EIC) i) 3½ / 4 core 35 sqmm cable

i) 3½ / 4 core 25 sqmm cable

Supply and fixing 800/5A, VA: 15, Class:1 50 Hz current transformer as per direction of EIC.

(All Rates are inclusive all taxes and duties)

MAHESWAR ELECTRICAL INDUSTRIES (BID ID -6960212)

T.D.K. ENTERPRISE (BID ID -6978893)