Emergent Shifting and Re-installation of Transformer -I for Civil renovation work of Substation building in the premises of Baghajatin State General Hospital.

Amount

Dismantling of existing damaged 4 core 240 Sqmm AL armour cable providing by skilled Technician.

Dismantling the existing 3 core 185 sq mm 11KV (E) Grade XLPE armoured Cable in masonary floor after cutting floor including mending good the damages to original finish and refixing the same after completion of civil work.

Supply and Delivery of 1100V, 4 core 240 Sqmm Al armourd, XLPE Cable. [Make: Gloster/RR Kabel/Havells)

Laying of cable 4 Core, 240 sqmm AL cable on wall/surface including S & F MS clams, making hole etc. as necy., mending good damages and painting.

Finishing of the 4 core 240 sqmm XLPE/PVC insulated armoured cable ends by soldering with cable sockets and insulated tapes etc., including supplying sockets, soldering materials, tapes etc. and making connection to switch, BDB and BBC etc.

Supplying and fixing of 4 core 240 sqmm compression type gland complete with brass gland, brass ring & rubber ring for dust & moisture-proof entry of XLPE/PVC armoured cables.

Excavation of soft soil for installation of Earth Electrode and filling & ramming.

Earthing with 80 mm dia GI pipe (TATA-Medium)x 3.0 Mts. long and 1 x 19/8 stranded GI (Hot Dip) wire (4 Mts. long), 25 mm dia x 150 mm long galvanized bolt, double nuts, double washers including socketing at both ends of stranded GI (Hot Dip) wire by crimping sockets/ thimbles and S & F 40 mm dia GI pipe (ISI-Medium) protection (3 Mts. long) to be filled with bitumen partly under the ground level and partly above ground level to an average depth of 3.65 Mts.

Supply and delivery of Single core 70 Sqmm unsheathed PVC Insulated, stranded Copper Cable for Voltage Grade Up To 1100 Volts. (Make: Gloster/ RR Kabel/Polycab/Havells)

Supplying & fixing earth busbar of galvanized (Hot Dip) MS flat 50 mm x 6 mm on wall having clearance of 6 mm from wall including providing drilled holes on the busbar complete with GI bolts, nuts, washers, spacing insulators etc. as required.

Extra for providing masonery enclosure on the top of the earth electrode of overall size 86.36 cm x 86.36 cm x 46 cm deep (below Ground level) complete with cemented brick work(1:6) of 25 cm width duly plastered with cement morter (inside) CI hinged inspection cover of size 36.56 cm x 35.56 cm with locking arrangement, GI reducer including drilling of 46 nos. 12 mm dia holes on the GI pipe.

Extra for treatment of soil by using salt & charcoal or coke for plate electrode.

Supplying & fixing 25mm dia medium gauge GI Pipe ( ISI-Medium) Protection with necessary fittings and jointing metarials as required.

Laying of cable as below, after cutting floor/pavement/wall/ and making holes incl., embedding the cable at an average depth as below and mending good the damages to original finish incl. removing the rubbish. a) Above 35 sqmm to 95 sqmm at an average depth of 100 mm in floor/pavement/wall etc.

Laying of cable above 3½ core 50 sqmm and upto 3½ core 90 sqmm 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.

Laying only Cable upto 50 sqmm through existing RCC/Hume/ GI Pipe/open masonary trench for single.

Finishing of the 70 Sqmm PVC insulated wire ends by socketting with ring type copper sockets and insulated tapes etc., including supplying sockets, tapes.

Supply & fixing inspection box for earth pit 450mm x 450mm. fabricated by 35 x 5 mm MS angle and 12 x 12 square MS bar.

Excavation of soil for installation of Earth Electrode and filling & ramming as to GS. For soft soil.

Earthing with 65 mm dia GI pipe (TATA-Medium)x 3.0 Mts. long and 1 x 19/10 stranded GI (Hot Dip) wire (4 Mts. long), 20 mm dia x 125 mm long galvanized bolt, double nuts, double washers including socketing at both ends of stranded GI (Hot Dip) wire by crimping sockets/ thimbles and S & F 40 mm dia GI pipe (ISI-Medium) protection (3 Mts. long) to be filled with bitumen partly under the ground level and partly above ground level to an average depth of 3.65 Mts.

Connecting the equipments body to earth busbar incl. S & F 50 mm x 6 mm Galvanized (Hot Dip) MS flat on wall/floor with GI saddle as required and connection to equipments with incl. drilling holes, bolts, nuts,washers etc.

Extra for providing masonery enclosure on the top of the earth electrode of overall size 86.36 cm x 86.36 cm x 46 cm deep (below Ground level) complete with cemented brick work(1:6) of 25 cm width duly plastered with cement morter (inside) MS hinged inspection cover of size 36.56 cm x 35.56 cm with locking arrangement, GI reducer including drilling of 46 nos. 12 mm dia holes on the GI pipe as to GS.

Extra for treatment of soil by using salt & charcoal or coke for plate electrode

Supply & fixing inspection box for earth pit 450mm x 450mm. Made by 35 x 5 mm MS angle and 12 x 12 square MS bar.

Charges for Acidity Test of Transformer Oil.

Cleaning, servicing, over-hauling, checking of 6KV/415V, 300 KVA, Oil type Transformer Top cover opening, oil down and refilling, cleaning of Core and tank including Supply & Fixing of Gasket and other accessories as required as per direction of EIC.

Cleaning, servicing, over-hauling, checking of BIECCO make HT Incomer Switch Gear with OCB, CT, PT, Bus chamber, spout etc. by high pressure air blower, CRC and soft cloth, through checking of tripping system. All HT Cables tightness to be checked thoroughly.

Supply & filtration with pouring of new Transformer oil with Transportation charges for HT Incomer and Transformer-I.

Dehydration & filtration of 01 no. HT OCB Incomer and Transfomrer-I.

Testing the dielectric strength (BDV) of oil before & after filteration & dehydration of oil.

Supply and delivery of Silica Gel.

Supplying and fixing of 4 core 70 sqmm compression type gland complete with brass gland, brass ring & rubber ring for dust & moisture-proof entry of XLPE/PVC armoured cables.

Finishing of the 4 core 70 sqmm XLPE/PVC insulated armoured cable ends by soldering with cable sockets and insulated tapes etc., including supplying sockets, soldering materials, tapes etc. and making connection to switch, BDB and BBC etc.

Supply and fixing of On Indication lamp different colour like Red, Yellow, Blue and supporting the light by suitable size GI sheet as per existing panel.

Supply and fixing of spout (3 nos) for PT by providing new set to the HT gear.

Straigh through Jointing of cable of 4-Core 70Sqmm AL armoured cable by compound jointing kit including S&F ferrul, tapes and jointing materials (Brand approved by EIC)

**Less: Cost for dismantled & unserviceable materials Rs.2500.00/-

TECHNO ENGINEERS AND SERVICES (BID ID -6541421)

S. K. CHATTERJEE ELECTRICALS PVT LTD (BID ID -6550286)