Electrical Repair work at Govt. Dunger College Bikaner (Science Building)

SMDB with 250 Amp. Incoming and 8 no. 100 Amps Outgoing

Providing & Fixing of IS: 13875 & IEC :61326/IEC:62053-22 confirming LED Digital type (up to 500) V range Volt meter / Direct- Ammeter / CT opertated ammeter/ Frequency meter / KWH meter / Multi Function Meter / Power analyzer of class 1 accuracy of size 96mm x 96 mm including making connection by PVC insulated copper conductor with PVC sleeves / channel etc. as required.

Providing & Fixing of Current Transformer confirming IS 2705-I (1992) with secondary terminal and shorting Block , with all necessary support in existing panel including connection etc. as required Current transformer Ring Type Tape Wound/Resin Cast Wound Accuracy Cl, CT ratio and burden as specified. ISF<=5, Cu cross section of secondary wire 1.5sqmm (minimum), including all necessary support in existing panel including connection etc. as required .

Ring type tape wound CT

C T Class 1, Ratio 200/5 to 600/5, Burden 10 VA

Providing & Fixing of 110/220 V, unibody LED Indicating lamp IEC 60947 with integral circuit, IP 65 above panel & IP 20 terminal block, Approx. body dia for panel not less then 20 mm, length min. 50mm, front LED cover dia min. 27 mm, contact material phospher bronze for Led, PCB contacts shall be of brass (tin plated), impulse dielectric tested for 2.5 KV, Rated insulation resistance shall be 100 M ohm at 500VDC including connection etc. as required.

Red/yellow/Green colour

Providing & Fixing of Electrical insulating rubber matts confirming to IS: 15652 / 2006 with one side anti skid aberration marks and pasting the mat with synthetic rubber adhesive as required.

3.3 KV, class A 2 mm thick with proof voltage 10 KV AC (rms) and Break Down Voltage 30 KV AC (rms)

SITC of 3 /4 pole current limiting Moulded case circuit breaker (MCCB) made of flame retardent & heat resistant material having following current rating, short circuit breaking capacity at 440/415 V, 50 Hz; O/L & S/C settings , conforming to IS/IEC 60947 P -2 :2003 with front face and centralised adjustable, trip free mechanisum, true contact position indicator, designed for both horizontal & vertical mounting without any adverse effect on electrical performance, suitable for operation from 50 to 55 degree and without derating upto 40 degree, pollution degree 3, having positive isolation capability, push (test) to trip, trip time less then 10 ms under s/c condition, Breaking capacity Ics = 100% Icu. U imp =8 KV, rated insulation voltage 690V. provision for UVR , shunt trip , earth fault trip, door interlock, pad lock & rotary handle ( to be paid extra) , including making connections etc. as required. OEM shall have submit NABL / CPRI / ERDA/ Intertek accrediated lab type test certificate.

4 pole MCCB With Thermal Magnetic release

up to 100 Amp , 25 kA, adjustable O/L & Fixed S/C setting,

125 Amp , 25 kA, adjustable O/L & Fixed S/C setting,

250 Amp , 35 kA, adjustable O/L & adjustable S/C setting,

P & F of Automatic Transfer Switch (ATS) confirming to IEC60947-6-1, Utilization cateogory AC-33B with OEM fabricated enclosure for automatic on load transfer between two source power supply of 415V through Solenoid/Motorised mechanism and integrated with three positions realize fast transfer within 180 ms (for solenoid) and within 2.6 sec.(for motorised). ATS shall have three postions (S1-OFF-S2) , Manual / Auto Override feature, The two sources can be isolated in the off position with a padlock. capability to expand with RS 485 communication module, which can ensure real-time transmission of communication data. ATS shall have automatic generator start & stop control function; Auxillary contacts to indicate mechanical positions. Minimum Electrical operations 6000, of following Current ratings, including making connections etc. as required.

Providing & Fixing of Recessed/surface mounting heavy duty Vertical TPN Distribution board with Metal end box with provision of incomer suitable for 3/4 pole MCCB and SP / TP MCB up to 63 Amps. as outgoing ,made out from Galvanized steel / CRCA sheet , powder coated conforming to IS-8623-1 & 3 / IEC 61439- 1 & 3. complete with insulated 125/160/200/250 Amp. copper bus bar, brass neutral bars with shrouds, brass earth bar , color coded interconnecting wire set of suitable rating and din bar, door earthing arrangement, masking sheet, making internal DB terminations with copper lugs, ferrules, detachable gland plate, including making connections, testing etc. as required.

Double door IP-43 & IK-09 with Provision of Incomer MCCB up to 125 A Rating with Metal end box

Providing & Fixing of Recessed/surface mounting heavy duty horizontal type Double Door (Metal / Glazed / Acrylic) Distribution board with Metal end box made out from Galvanized steel / CRCA sheet, powder coated conforming to IS-8623-1 & 3 / IEC 61439- 1 & 3, complete with 100 amp. insulated copper bus bar/shorting link , brass neutral link with shrouds, brass earth link , door earthing arrangement, color coded interconnecting wire set of minimum 10.0 sqmm size and din bar,masking sheet, making internal DB terminations with copper lugs, Ferrules, detachable gland plate, including making connections, testing etc. as required.

Glazed / Acrylic door (Three phase) IK-09 and IP-43 with Metal end box

6 Way (8 incomer + 18 Outgoing)

Providing & Fixing of 240/415 V AC MCB with positive isolation of 10 kA breaking capacity (B/ C/D tripping characteristic as per type of load and site requirement) 4 KV impulse withstand voltage, ISI marked IS 8828(1996) / conforming to IEC 60898-1 2002, IEC 60947-2, low watt losses, trip free mechanism , energy limiting of class 3 as per IEC, minimum phase termination capacity of 25 sq.mm., conductor line load reversibility , IP 20 contact protection and fitted in existing distribution board/sheets, minimum electrical operation 20,000 upto 20 A rating, 10,000 upto 63 A, 5000 for 80 A & above rating including making connections, testing etc. as required.

Single pole MCB (With B / C curve tripping characteristics)

6 A to 32 A rating

Triple pole MCB (With B / C curve tripping characteristics)

40 A rating

50/63 A rating

Four pole MCB (With B / C curve tripping characteristics)

50/63 A rating

Wiring of light point/ fan point/ exhaust fan point/ call bell point with 1.5 sq. mm nominal size FR PVC insulated unsheathed flexible class 2 copper conductor 1.1 kV grade and 1.5 sq. mm nominal size FR PVC insulated unsheathed flexible class 2 copper earth conductor 1.1 kV grade (IS:694) in recessed ISI marked MMS ( IS:9537 P - III ) PVC conduit & it's ISI marked (IS:3419-1988) accessories, Aluminum round tiles, 1.2 mm thick Hot Dipped Galvanized Modular Box with earth terminal, 6 A Modular switch, Modular face plate with grid plate, 3 pin ceiling rose / Holder /3 way connector, screws, making connections, testing etc. as required.

Short point (up to 3 mtr.)

Medium point (up to 6 mtr.)

Long point (up to 10 mtr.)

Providing & Laying XLPE insulated & P.V.C. sheathed Armoured Aluminium cable confirming to IS :7098 P - I of 1.1 KV with H4- Grade electrolytic aluminium conductor confirming to IS 8130 of purity >99.6 %, round / flat strip armouring of cables, Inner / outer sheath confirming to IS:5831 in existing RCC / Hume / Stoneware / PVC pipe/ open duct/cable trench / Cable tray(with cable tie) including testing commissioning etc. as required of following size.

Supplying and laying FR PVC insulated & unsheathed flexible copper conductor of following nominal sizes with ISI marked (IS:694) and as per IS 8130 : 2013 of 1.1 kV grade . Wire should be made from copper, stranding in acc. to IS:8130/IEC 60228 for lower watt loss , oxygen free for less chances of oxidization, insulation PVC type A/C/D , flame retardant as per IS 10810-53, better amperage rating as per IS:3961 part 5, in existing surface or recessed PVC/ MS conduit/casing capping making connections with Copper Lugs of suitable size, Ferrules,testing etc. as required.

3x 1.5 sq.mm

2 x 2.5 sq. mm. + 1x1.5sqmm

2 x 4.0 sq. mm. + 1 x 2.5 sq. mm.

4 x 6.0 sq.mm

4 x 10.0 sq.mm

1 x 4.0 sq.mm

1 x 6.0 sq.mm

S&F following sizes (dia.) of ISI marked MMS ( IS:9537 P - III ) PVC conduit along with ISI marked (IS:3419-1988) accessories as required in recess including making jhiri in the wall,clamps at suitable spacing, covering conduit and making good the same as required.

Pipe Earthing as per IS:3043- 1987 with 3.0 Mtr. Long, 40 mm dia. ' B ' class G.I. Pipe IS: 1239 (Part-1) 2004, Equivalent to BS : 1387 with perforated holes of 12 mm dia ,including all accessories like nut, bolts, reducer, nipple, wire meshed funnel, Heavy duty weather proof poly-propylene earth inspection chamber as per requirement of IS/IEC 62305 and tested as per IEC 62561-5 with lockable Jam free lid suitable for safe working load 60 kN of round / square size 250 mm, and Height 250 to 300 mm and embodying the pipe complete with alternate layers salt and coke/ charcoal, testing of earth resistance for value of 5 ohms or less as required.

Supply & Laying following size earth wire in horizontal or vertical run in ground/surface/recess including riveting, soldering, saddles, making connection with GI/Cu purity purity >95% thimble etc. as required.

8 SWG G.I. ( Hot Dipped ) Wire

Labour charges for dismantling of wiring in existing conduit of following size and depositing the same with listing of material in store.

up to 2.5 sq. mm. wire

4/ 6 sq. mm. wire

Supply, Fabricating & installing following sizes of perforated Hot dipped Galvanized iron cable tray ( Galvanized thickness not less then 50 microns) with perforation not more then 17.5% in convenient section including horizontal and vertical bends, reducers tees,cross members and other accessories as required and duly suspended from the ceiling with GI suspenders including GI bolts & nuts , fastners, supports etc. as required.

100mm x 50mm x 1.6mm

Total Cost

Add GST (18%) on Total Cost

Please Enable Macros to View BoQ information