Upgradation of 11KV substation equipment and inst. of 3.3KV OHL in BOCP under Salanpur Area

Amount

A) Upgradation of 11KV switch, 400A, VCB & 550V Star-delta starter of Bonjmeihary Colliery :-

11KV Switch, VCB, 400 Amps :

11KV grade epoxy moulded CT.

Digital relay with CBCT.

Potential Transformer

Shut trip coil set

Current transformer 200/100/5A

Auxilary wiring materials, insulation material etc

Labour cost

Starter, 550V, Star-delta :-

Supply of Indicator LED 110 V and holder for ON, OFF & E/L,O/I Trip indicator

Supply & fitting of Earth leakage set with CBT 2 pole.

Supply of Timer relay kit assembly

Supply of C.T ratio 150/5

Supply of 1 no. ML 12, 3 Pole power contractor rating current 300 amps providing for star delta operating.

Cost of terminal insulator with copper stud for incoming and out going

Supply of PT 550/220, 110-12 8 volt

Supply of copper bus bar

Pvc Terminal 70, 90 Sq.mm lead

Supply of AMP meter.

Cost of single-phase preventer

Supply of HRC fuse link with holder

Supply of Brass, Nut Bolt and washer & Paint

Complete wiring wire 1.5 sq. mm & insulating materials.

Labor charges for fitting, testing etc.

B) Installation of new 3.3KV grade 3ph 4 wire overhead line for illumination towards the mining area of Bonjmeihary Colliery :-

Transporting of Tubular Pole to propose site.

Erection of 11/13 mtr. Long Tubular Pole with concrete foundation (Pole supplied by ECL).

Supply and erection of Stay set complete with all respect.

Supply, fabrication & fitting of different size required MS Flat, Angle, Clamp etc. for holding insulator at Poles.

Supply of 3.3KV grade Pin Insulator with hardware fittings.

Supply of 3.3 KV grade Disc Insulator with hardware fittings.

Supply and drawing of ACSR DOG Conductor.

Supply and drawing of ACSR RABBIT Conductor for Earth Continuity.

Supply and drawing of GI wire for making of cradle guard and for earthing coinnection.

Supply & Fixing of different size MS nuts, bolts and washers.

End termination of 3.3KV grade Cable with providing cable jointing kits, copper lugs nad all other consumable materials

Supply and fitting of Lightning arrestor

Add: Overhead & contigency expenses

Add: Provident fund on Labour cost

Total impact of GST for the purpose of CTC