Pashchimanchal Vidyut Vitran Nigam Limited Tender

33 KV VCB 1250 Amp. Outdoor.

DISMANTLING & CARRIAGE OF DAMAGED ITEMS / MATERIAL FROM VARIOUS 33/11 KV S/S TO JE STORE / CENTRAL STORE & PROPER STACKING WITH LOADING & UNLOADING AS PER FOLLOWING.

33 KV Outdoor VCB Damaged.

Providing & fixing of following material of standard make / best quality for complete the work at 33/11 KV S/S as per RESPO norms by the contractor at his own cost : -

Copper Control Cable 4x2.5 Sq.mm.

Copper Bus-Bar (3000mm long X 50mm width X 6mm thickness).

11 KV Heat Shrinkable Insulated Sleeves.

PVC Heat Shrinkable Insulated Sleeves (Red/Yellow/Blue in Colour).

Power T/F Bushing Rod Connected Clamp.

11 KV Post Insulator.

Structure of Bus-Bar by MS Channel 100x50x6mm. (02 No. Vertical piece of length = 3500 mm), (02 No. Horizontal piece of length = 1800 mm),

Concreting of above structure.

GI nut, Bolt & Washers.

PROVIDING AND INSTALLATION OF CHEMICAL EARTHING FOR VCB, C&R PANEL ETC. (WITH ALL MATERIAL AND LABOUR). AS PERFOLLOWING (The all material and labour shall be provided by the contractor with 24 month guarantee for resistance value less than one OHM.) :-

Providing of earthing electrode :- Material Description : GI Electrode, Galvanization : 150 Micron (Min), IS Standard : IS 3043 / IEEE - 837, Short Time Current Rating kA (rms) For 1 Sec : 42 KA For 1 Sec, Dia of Electrode : 50mm, Length of Electrode : 3000mm, Weight of Electrode : 15 Kgm, Pipe Thickness : 4mm or As per IS : 1239 4mm, Inside Filling Material : Crystalline Conductive Mixture, Inner Strip : 3100 X 50 X 6 mm, Terminal Hole Dia : 16 MM. Technology : Metal Thermal Spray (Joints) Protection Earthing Resistance Value in Different Soil Conditions with ERIC Backfill Compound : Normal Soil - Upto 2 Ohms, Sand. Muran Soil - Upto 4 Ohms, Rock Soil - Upto 4 Ohms, Electrode Testing Cetificate : CPRI Testd. Surrounding Filling Material (ERIC):- Product : ERIC (Earth Resitance Improvement Compound), IS Standard : IS 3043/IEEE 837, Chemical Composition : Graphite, Activated Carbon, Bentonite, ETC., Resistivity Value : 0.2 Ohm Per Meter, Melting Temperature : 2500 Degree Centigrade, Specific Gravity : 2.6, PH Value of Chemical : 7-9, Solubility in water : 3.54, Colour : Light cream/Ash, Main Caution ; Sodium, Moisture Capacity at 105 Degree : 10%, Weight of Chemical used / Earthing Pit : 50 Kg, Water Absorbing Capacity : 20 Times, Environmental Effects : Eco Friendly. Test Certifictae : ROHS Certified, Thermal Stability : Testsed, Corrosion Resistance : Tested, Swell Test Certificate : Yes, Ph Value Test Certificate : Yes. Installation Parameter :- Need Hole Dia : 6"-8" Need Hole Depth : 3 Meter, Guarantee : 24 Month.

Providing and fixing of GI strip of size 32 mm x 6 mm suitable for VCB installed.

Providing and fixing of PVC Pit covers for above earthing electrode terminals.