Repairing of electrical wiring of Sirka Store and switch room of water supply sub-station, Sirka Colliery

Amount

Point Wiring in PVC conduit with piano type switch for wiring of light point/Fan point/Exhaust fan point/ call bell point / Indication with 1.5 sq. mm FRLS PVC insulated copper conductor single core cable in surface / recessed medium class PVC conduit, with paino type switch, phenolic laminated sheet, suitable size MS box and earthing the point with 1.5 sq. mm FRLS PVC insulated copper conductor single core cable etc required. Group A

Group B

Group C

Supplying and fixing following piano type switch/ socket on the existing switch box/ cover including connections etc. as required. 5/6 amps switch

3 pin 5/6 A socket outlet

15/16 A switch

6 pin 15/16 A socket outlet

Supplying and fixing following way, single pole and neutral, sheet steel, MCB distribution board, 240 V, on surface/ recess, complete with tinned copper bus bar, neutral bus bar, earth bar, din bar, interconnections, powder painted including earthing etc. as required. (But without MCB/RCCB/Isolator) 6 way Double door

Supplying and fixing of 5 amps. To 32 amps. Rating, 240 V, c curve miniature circuit breaker suitable for inductive load of following poles in the existing MCB DB complete with connections testing and commissioning etc as required. Single pole and neutral

Supplying and fixing following rating, double pole, (single phase and neutral), 240 V, residual current circuit breaker (RCCB), having a sensitivity current 30 mA in the existing MCB DB complete with connections, testing and commissioning etc. as required. 40 Amp.

Supplying and fixing PVC batten/ angle holder including connections etc. as required.

Supply and fixing 3 pin, 5 Amp. Ceiling rose on the existing junction box/wooden block including connection etc as req.

Wiring for Circuit/submain wiring along with earth wire with the followingsizes of FRLS PVC insulated copper conductor single core cable in surface/recessed medium class PVC conduit as required. 2X4 sq. mm + 1X 4 sq. mm earth wire

2X2.5 sq. mm with earth wire

2X1.5 sq. mm with eartrh wire

Supplying and fixing two module stepped type electronic fan regulator on the existing modular plate switch box including connections but excluding modular plate etc. as required.

Supply of I.S.I. marked iron clad/metal clad double pole switch fuse (conduit entry)/cable gland entry with two earthing terminals – 32Amp 250 Volts

Supplying and installing of SPDs (surge protection device) ISI marked complete as per I.S. standard conforming to IEC :61543 -11 for direct & indirect lightning surges protection type 2 maximum discharge current (Imax) up to 70kA &type 1+2 (Imax) up to 100KA including connection in existing enclosure in approved manner as per specification. Type 2 : 40kA, 1P+N protection against indirect lightning & switching surges

Supply of XLPE insulated power cable (conforming IS-7098 Part-I) 1100 Volt grade, 2 core ISI marked with aluminum stranded /solid conductor

Supplying and fixing of approved make modular type PVC box minimum depth 40mm and minimum thickness 2mm with modular base and cover plate including fixing on surface etc. as required for:- 4 Module PVC box

6 Module PVC box

12 Module PVC box

Providing & fixing of LED Tublight 22 Wtt

Supply and erection of approved make safe earthing electrode consisting pipe-in- pipe technology as per IS 3043-1987 made of corrosion free G.I. pipes with constant ohmic value surrounded by highly conductive compound with high charge dissipation suitable for effective and maintenance free earthing in earth pit of minimum bore dia. 150mm size, as mentioned below : With 3 metre G.I. pipes having outer pipe dia of 50mm having 80-200 micron galvanizing, Inner pipe dia. of 25mm having 200-250 Micron galvanizing, connection terminal dia. of 12mm in nominal soil with 50 kg (two bag) back filling bentonite compound UL listed and confirm to relevant International/Indian standards around electrode upto ground level.

Total impact of GST for the purpose of CTC

M/S SURENDRA PRASAD AND SONS

SINGH ELECTRICALS