Pdg. EI AND Fans Computer points and miscellaneous electrical works at 3rd and 4th Floor in the Office of the CCA Office at CTO Bldg. Ranchi

Sub Head - I (Wiring for Light / Fan Point)

Wiring for light point/fan point/exhaust fan point/call bell point with 1.5 sq mm FRLS PVC insulated copper conductor single core cable in surface/ recessed PVC/Steel conduit with modular switch, modular plate, suitable GI box and earthing the point with 1.5 sqmm FRLS PVC insulated copper conductor single core cable etc as reqd.

a) Group- C

Wiring for Light/power plug with 2 x 4 sqmm FRLS PVC insulated copper condtr single core cable in existing surface/ recessed steel conduit / cable management system along with one no 4 sq mm FRLS PVC insulated copper conductor single core cable for loop earthing as reqd.

Wiring for Light/power plug with 4 x 4 sqmm FRLS PVC insulated copper condtr single core cable in existing surface/ recessed steel conduit along with two no 4 sqmm FRLS PVC insulated copper conductor single core cable for loop earthing as reqd.

Wiring for Circuit/ Submain wiring alongwith earth wire with following size of FRLS PVC insulated copper conductor single core cable in surface/ recessed Steel conduit as reqd.

a) 2 X 1.5 sq. mm + 1 X 1.5 sq. mm earth wire

c) 2 x 2.5 sqmm + 1 x 2.5 sqmm earth wire

d) 4 x 2.5 sqmm + 2 x 2.5 sqmm earth wire

e)4 x 10 sqmm + 2 x 6 sqmm earth wire

f) 4 x 16 sqmm + 2 x 6 sqmm earth wire

Supplying and drawing following sizes of FRLS PVC insulated copper conductor, single core cable in the existing surface/ recessed steel/ PVC conduit as required.

a) 3 x 1.5 sq. mm

b) 6 x 1.5 sq. mm

c) 3 x 2.5 sq. mm

d) 6 x 2.5 sq. mm

e) 3 x 4 sq. mm

d) 6 x 4 sq. mm

Supplying and fixing of following sizes of steel conduit along with accessories in surface/recess including painting in case of surface conduit, or cutting the wall and making good the same in case of recessed conduit as required.

Supplying and fixing suitable size GI box with modular plate and cover in front on surface or in recess, including providing and fixing 6 pin 5/6 A & 15/16 A modular socket outlet and 15/16 A modular switch, connections etc. as required.

Supplying and fixing following modular switch/ socket on the existing modular plate & switch box including connections but excluding modular plate etc. as required.

a) 5/6 amps switch

b)15/16 A switch

c)3 Pin 5/6 amp socket outlet

d) 6 Pin 15/16 A socket outlet

Supplying and fixing following size/ modules, GI box alongwith modular base & cover plate for modular switches in recess etc. as required.

a) 8 Module (125 mmX125 mm)

b) 12 Module (200 mmX150 mm)

Supplying, fixing and commissioning of recess mounting luminaire with 28 Watt LED as light source of 2 ft x 2 ft size suitable for mounting on Armstrong / Grid false ceiling including making necessary connections with flexible copper conductor etc. as required. (M/s Havells, Type Pluto neo 2x2, 28 Watt / Philips or similar superior make)

Supplying & Fixing 1x18 Watts LED Tube light fitting suitable for 230 Volts , 50Hz AC supply etc as reqd. (M/s Crompton /Philips/ SS make)

Supplying & fixing of Brass batten/ Angle holder i/c connections,testing etc as reqd.

Supplying & Fixing 1x11Watts LED Lamp suitable for 230 Volts , 50Hz AC supply etc as reqd. (M/s Crompton /Philips/ SS make)

Supply and fixing of 300 mm sweep exhaust fan with lower shutter , timer including opening, making good the damage, connection, testing, commissioning etc. as required.

S/F of 40 watt street light LED type fitting made up of dia cast housing with toughned glass and individual leds with secondary optics and IP66/65 protection suitable for 230 volts 50 Hz connection i/c GI pipe 40mm dia etc as reqd. ( M/s Philips/Crompton/Havels or SS make)

Supply of 2 x 6 sq.mm armoured XLPE insulatec PVC innersheathed Aluminium conductor cable suitable for 650/1100 volt etc. complete as required. (Make Havels,/ Polycab or Any ISI make of reputed brand)

SITC of 1400 mm sweep Energy efficient five star rated ceiling fan with all accessories and Step type Electronic Regulator suitable for 230 volt, 50 Hz AC supply etc. complete as reqd. (Make Havells / Philips/Baja or Similar Superior make)

Sub Head - II Distribution Boad

Supplying & fixing following ways surface/recess mounting, verical type, 415 volts, TPN MCB distribution board of sheet steel, dust protected, duly powder painted, inclusive of 200 amps tinned copper bus bar, common neutral link, earth bar, din bar for mounting MCBs (but without MCCB's and incomer) as reqd.

a) 4 way (4 + 12), Double door

b) 8 way (4+24), Double Door

S/F 5 amps to 32 amps rating 240/415 Volts, 'C' curve, MCB suitable for inductive load of following poles in the existing MCB DB complete with connections, testing and commissioning etc as reqd.

a) Single pole

S/F following rating, 4 pole, 415 volt, isolator in the existing MCB DB complete with connections , Testing and commissionig etc as reqd.

a) 100 Amps, Isolator

b) 63 Amps, Isolator

c) 40 Amps, Isolator

Supplying and fixing modular blanking plate on the existing modular plate & switch box excluding modular plate as required.

Supplying and fixing of 200 Amp 3 phase 4 pole on load change over switch with steel enclosure and front handle i/c fixing on wall with nut bolt etc. & connection with suitable size of cable etc. testing on load etc. as reqd. (HPL /L&T / SS make)

Supplying and installing following size of perforated Hot Dipped Galvanised Iron cable tray “Cross member” (galvanisation not less than 50 microns) with perforation not more than 17.5%, in convenient sections, joined with connectors, suspended from the ceiling with G.I. suspenders including G.I. bolts & nuts, etc. as required.

a) 150 mm width X 50 mm depth X 1.6 mm thickness

Sub Head - III(LT panel)

SITC of floor mounted, cubicle type LT panel made of 16 SWG MS sheet duly fabricated and painted, comprising of 1 no. 125 amp 4 Pole MCCB as incomer, 1 No.100 amp 4 Pole MCCB, 2 nos. 63 amp 4 Pole MCCB, 1 no. 32 amp 4 Pole MCCB as outgoing, 200 amp Al. busbar chamber alongwith necessary CT, Dual source Digital MFM, LED Pilot Lamps, and inter connection of MCCBs with busbar with suitable size copper conductor cables and all conforming to BSNL specifications as reqd. ( 3rd & 4th Floor)

Sub Head -IV (Copper Earthing)

Earthing with copper earth plate 600 mm X 600 mm X 3 mm thick including accessories, and providing masonry enclosure with cover plate having locking arrangement and watering pipe of 2.7 metre long etc. with charcoal/ coke and salt as required.

Providing and fixing 25 mm X 5 mm copper strip in 40 mm dia G.I. pipe from earth electrode including connection with brass nut, bolt, spring, washer excavation and re-filling etc. as required.

Providing and laying earth connection from earth electrode with 4.00 mm dia copper wire in 15 mm dia G.I. pipe from earth electrode including connection with copper thimble excavation and re-filling as required.

Providing and fixing 25 mm X 5 mm copper strip on surface or in recess for connections etc. as required.

Laying of one number PVC insulated and PVC Sheathed/ XLPE power cable of 1.1 KV grade of size up to 35 sqmm in the following manner as reqd.

a) Direct in ground i/c excavation , sand cushioning , protective covering and refilling the trench etc as reqd.

b) On wall surface as reqd (clamped with 1 mm thick saddle)

c) In the existing RCC/Hume/Metal pipe as reqd.

d) In the existing masonary open duct as reqd.

Laying of one number PVC insulated and PVC Sheathed/ XLPE power cable of 1.1 KV grade of size above 35 sqmm up to 95 Sqmm in the following manner as reqd.

a) Direct in ground i/c excavation , sand cushioning , protective covering and refilling the trench etc as reqd.

b) On wall surface as reqd (clamped with 25 mm x 3mm MS clamp)

c) In the existing RCC/Hume/Metal pipe as reqd.

d) In the existing masonary open duct as reqd.

Supplying and making end termination with brass compression gland and aluminium lugs for following size of PVC insulated and PVC sheathed /XLPE aluminium conductor cable of 1.1 KV grade as reqd.

b) 3.5 X 25 sqmm ( 28mm )

b) 3.5 X 50 sqmm (35 mm)

Supplying and embedding following dia G.I. Pipe (Medium class) in pole collar/foundation (during casting) for cable entry including dending the pipe to the required shape complete as reqd

a) 40 mm dia.

Pdg & Fixing 6 SWG dia. GI Wire on surface or in recess for loop earthing along with existing Surface/recessed conduit/submain wiring/cable as reqd.

Providing and fixing earth bus of 50 mm X 5 mm copper strip on surface for connections etc. as required.

SH-V ( Supplying of Cable)

Supplying of XLPE insulated, 1.1 KV grade, armoured Al. Cond power cable of following sizes as required.

(a) 3½ X25 sq. mm

(b) 3½ X50 sq. mm

MITA ELECTRICAL WORKS