Repair and renovation of R.K Hostel within the main campus of NBU at Siliguri in the District of Darjeeling. (Electrical Works)

Distn. Wiring, 15A Power plugs, 5A Separate Board, Cu. Wires.

Dismantling of Existing wiring, Main Switches, LT Panels, DBs ,fittings etc. and mending good the damages with own tools and tackles as per direction of E.I.C.

Distribution wiring in 1.1 KV grade 2x22/0.3 (1.5 sqmm) single core stranded 'FR' PVC insulated & unsheathed copper wire (Polycabe/RR Kable/Finolex) partly in 20mm size PVC rigid conduit 'FR' (Precision make) [for ceiling portion only] and in 19mm bore, 3mm thick polythene pipe [for horizontal & vertical run embedded in wall], with 1x22/0.3 (1.5 sqmm) single core stranded 'FR' PVC insulated & unsheathed copper wire for ECC, to light/fan/call bell points with Piano Key type switch fixed on MS CRC sheet metal (16 SWG) switch board on wall complete with 2 no. “Ph & N” copper bar incl. bakelite/ Perspex top cover 3 mm thick and incl. 175x100x65mm inspection box, making earthing attachment, painting the MS box and mending good the damages to original finish [only PVC Rigid Conduit on ceiling and remaining portion concealed]

(a) Average run 6 mtr

(b) Average run 8 mtr

Distribution wiring in 1.1 KV grade 2x22/0.3 (1.5 sqmm) single core stranded 'FR' PVC insulated & unsheathed copper wire (Polycabe/RR Kable/Finolex) partly in 20mm size PVC rigid conduit 'FR' (Precision make)with I.I KVgrade 1X22/03 (1.5 sq. mm) single core stranded 'FR' PVC insulated & unsheathed copper wire asfor ECC, to 5 amp3 pin flush type plug socket & Piano Key type switch fixed on MS CRC sheet metal (16 SWG) switch board cum JB on wall incl. bakelite/ Perspex top cover 3 mm thick and incl. bakelite/perspex ( wall matching colour ) top cover 3 mm thick and incl.painting the MS box and mending good the damages to original finish. (a) On board

Supplying & Fixing sheet metal inspection box (16 SWG) with bakelite / perspex top cover of the 150 mm x 100 mm x 65 mm sizes flushed in wall by housing the same after cutting brick wall incl. 2 nos. 240 V 6 A Piano key type switch and 2 nos 6A piano type plug (Brand approved by EIC) on sheet metal switch board having bakelite/perspex top cover by screws after making housing for switch by cutting bakelite/perspex cover and making necessary connections as required making earthing attachment, painting and mending good damages to building works

Supply & Fixing 240 V, 4 nos. 6A, plug socket with separate 4 nos. 6 A Piano key type switch, indicator & 16A switch type SP MCB (Brand approved by EIC) on sheet metal switch board embedded in wall incl. S & F 240x200x65mm MS (16SWG) switch board and bakelite/perspex top cover of 3mm thick by Brass screws after making housing for switch by cutting bakelite/perspex cover and making necessary connections as required

Supply & Fixing 240 V, 20A, plug socket with separate 20 A Piano key type switch (Brand approved by EIC) on sheet metal switch board embedded in wall incl. S & F 150x100x65mm MS (16SWG) switch board and bakelite/perspex top cover of 3mm thick by Brass screws after making housing for switch by cutting bakelite/perspex cover and making necessary connections as required. (Power Plug)

Cutting Channel of size (40 mm x 40 mm) on masonry wall by Electric operated cutting machine incl. supplying & fixing heavy gauge 19 mm, 3 mm thick Polythene pipe by means of anchoring chemical (Hilti/Sika) and GI 'U' hooks of 8 SWG incl. supplying and drawing 18 SWG GI wire as Fish wire and mending good damages to original finish by using own tools and tackles

(a) 19 mm dia 3 mm thick polythene pipe without earth continuity wire

Supplying and Drawing 1.1 KV single core stranded 'FR' PVC insulated & unsheathed single core stranded copper wire (Brand approved by EIC) of the following sizes in the prelaid polythene pipe and by the prelaid GI fish wire and making necy. connection as required.

(a) 3 x 22/0.3 (1.5 sqmm) for separate 5 amp plug.

(b) 2x36/0.3 (2.5 sqmm) + 1x22/0.3 (1.5 sqmm) as ECC for power plug

(c) 2x84/0.3 (6 sqmm) + 1x56/0.3 (4 sqmm) as ECC for TPN to SPN DB

Finishing of the PVC insulated wire ends by socketting with pin/ring type copper sockets and insulated tapes etc., including supplying sockets, tapes .

a) 6 sq.mm

b) 4 sq.mm

c) 2.5 sq.mm

Supplying & Fixing CRC sheet metal (16 SWG) JB-cumSwitch Board of the following sizes complete with three no. suitable size Copper bar with holes (for Ph, N & E) fixed on bakelite/Hard Rubber insulator over the MS welded chairs incl. bakelite/Perspex/coloured Perspex (wall matching colour) top cover 3 mm thick flushed in wall for housing the board after cutting the brick wall incl. making earthing attachment, painting and mending good damages to building works.

(b) 200 mm x 250 mm x 65 mm

(a) 200 mm x 150 mm x 65 mm

(a)175 mm x 100 mm x 65 mm

Electrical DBs, Panels

Supplying and fixing double door Vertical TPN MCB Distribution board for MCCB incomer with IP-42/43 protection, on angle iron frame on wall & mending good the damages to original finish incl. Inter connection with suitable size of copper wire and neutral link & provision for earthing attachment. (Enclosure (607913).

Supplying and fixing 415 V Four Pole MCCB of Breaking capacity 25kA/35kA with fixed thermal and fixed magnetic / adjustable thermal and fixed magnetic setting in existing DBs / enclosure and necessary connection.

Supplying and fixing 4 Way double door Horizontal TPN MCB Distribution board with IP-42/43 protection, concealed in wall after cutting the wall & mending good the damages to original finish incl. Inter connection with suitable size of copper wire and neutral link & provision for earthing attachment. (Make- Legrand Enclosure (607715).

Supplying and fixing double-door SPN MCB Distribution Board with IP-42/43 protection, concealed in wall after cutting the wall & mending good the damages to original finish incl. Inter connection with suitable size of copper wire and neutral link & provision for earthing attachment. [Make-Legrand Enclosure Enclosure (607711)/ Schneider/ Crabtree].

Supplying and fixing 240 V MCB of Breaking capacity 10kA & C characteristics on din rail of existing DBs and necessary connection [Make- Legrand / Schneider/ Crabtree]

a) 6-32 A SP MCB

b) 63A TP MCB

Supplying and fixing 240/415 V MCB Isolator on din rail of existing DBs and necessary connection. [Make- Legrand / Schneider/ L&T]

Supply & Installation, Commissioning of outdoor type dust and moisture proof feeder piller FDB made with 8mm top MS plate & 6mm in all side having 1600mm x 1400mm x740mm size both side door with 5mm thick backite sheet base for fixing nylon base, kit kut etc incl 2 coats of synthetic enamel paint over one coat of R.O primer duel welded on 75x40x6mm MS channel (as foundation) frame. the foundation should make extra height at about 0.6mt above ground level and 0.45mt below the ground by cc foundation (4:2:1) work including plastering and neat cement finish. the FDB should be comprising with the following materials as per direction of E.I.C

A. INCOMING ARRANGEMENT

a. 415 V 315 Amps TPN switches dis-connector fuse with 3 nos HRC fuse (Make: L&T) – 1 Nos.

b. 415V, 320 Amps TPN on load front operated Changeover switch (Make: L&T) - 1 Nos.

B : BUS SECTION

a.415 V, 415 A Amps 4x(65x13) mm bars tinned Al bus bar with necessary number of holes and different colour insulating tape on Eboxy bus support – 1 set.

C : OUTGOING ARRANGEMENT

a. 415 V 100 Amps TPN switches dis-connector fuse with 3 nos HRC fuse (Make: L&T) – 4 nos.

b. 415 V 63 Amps TPN switches dis-connector fuse with 3 nos HRC fuse (Make: L&T) – 1 nos.

D : METERING PANEL

c. 3 nos R.Y.B. LED indicating lamp (Siemens) complete with sliding fuse – 1 set

d. E.I Danger Board- 1 no

E : INTER - CONNECTION

All interconnection fo switch, bus bar shall be made with suitable sizes multi - starnd PVC insulated copper wire/Flat to be kept for rare entry cable connection and the end of all connections of metering panel to be finish with copper socket by crimping method having marked ferrule for indication.

Al. Armoured Cables

Supply of 2/4 Core XLPE Insulated & Sheathed Armoured stranded Aluminium Conductor cables for Working Voltage up to 1100 Volts of following sizes [Make Polycab / RR /KEI/ Havells/ Gloster as approved by E.I.C]

(i) 4 Core 185 Sqmm (Feeder to LT Panel1 )

(i) 4 Core 50 Sqmm (Feeder to VTPN )

(ii) 4 Core 25 Sqmm ( VTPN to TPN DB )

(iv) 2 Core 10 Sqmm ( compound light )

Laying of one No. cable above 35 sqmm and upto 185 sqmm in underground trench 460mm wide x 760mm average depth, with brick protection on the top of the cable with 8 (eight) Nos. bricks per Mtr. including filling the space between the bricks and cable and also the trenchwith shifted soil, leveling up and restoring surface duly rammed.

Laying of cable from 3/3½ core 35 sqmm to 50 sqmm on wall/surface incl. S & F MS saddles with earthing attachment in 2 x 10 SWG GI (Hot Dip) Wire, making holes etc. as necy., mending good damages and painting

Laying of cable upto 3/4 core 25 sqmm on wall/surface incl. S & F MS saddles with earthing attachment in 10 SWG GI (Hot Dip) Wire, making holes etc. as necy. mending good damages and painting

Laying of cable upto 2 core 25 sqmm on wall/surface incl. S & F MS saddles with earthing attachment in 10 SWG GI (Hot Dip) Wire, making holes etc. as necy. mending good damages and painting

Supplying and fixing compression type gland complete with brass gland, brass ring & rubber ring for dust & moisture-proof entry of XLPE/PVC armoured cables as below.

(i) 4 Core 185 Sqmm

(ii) 4 Core 50 Sqmm

(iv)4 Core 25 sqmm

(v) 2 Core 10 Sqmm

Finishing the end of following XLPE/PVC armoured cables by crimping method incl. supplying and fixing solderless socket (Dowels make), tapes, anticorrosive paste & jointing materials :

i) 4 Core185 Sqmm

ii) 4 Core 50 Sqmm

(iv) 4 core 25 sqmm

(v) 2 Core 10 Sqmm

Fittings, Fixture, Fans

Supply & Delivery of 240V 50 Hz 56" sweep (1400 mm) AC ceiling fan complete with down rod , Canopy, fork etc. with out regulator as per direction of EIC. (Make-Orient New Breeze 3 star/CG /USHA striker 1200 mm safety wire & S3 Capacitor)incl. S&F connecting wire for down rod upto 30 cm incl. painting the rod with approved paint and making necessary connection as required by 2x1.5 sqmm flexible copper wire as per G.S.

Engraving the deptt. number with 10 mm lettering on the body of fan upto 10 letters incl. hifen, stroke or stop

Painting upto 10 letters of the engraved number with approved black /red paint as required

Fixing only ceiling fan complete with blades, canopy, fork, rubber bush etc. incl. S&F connecting wire for down rod upto 30 cm incl. painting the rod with approved paint and making necessary connection as required by 2x1.5 sqmm flexible copper wire

Supply & Fixing Socket type fan regulator (Step type 400 watt ) (Brand approved by EIC) on existing sheet metal switch board with bakelite/perspex top cover by screw after making housing for regulator knob by cutting bakelite/perspex top cover incl. making necy. connections etc

Supply & Delivery of 220V, Single Phase, 50 Hz A.C heavy duty exhaust fan of following sizes having complete metal body. (Make- EPC/ USHA/Orient CROMTON) [BEE star rated]

i) 300 mm (12"), 4 Blade, RPM ≤ 920 , Wattage ≤ 45 Watt, Sound level ≤ 46 dB, Air Displacement (In CFM) ≥ 750

ii) 380 mm (15"), 4 Blade, RPM ≤ 920 , Wattage ≤ 78 Watt, Sound level ≤ 51 dB, Air Displacement (In CFM) ≥ 1450

Fixing only exhaust fan after making hole in wall and making good damages and smooth cement finish etc. as practicable as possible and providing necy. length of PVC insulated wire and making connection for exhaust of following diameter:

Supply & Fixing Al louver shutter on wall with necy. bolts & nuts (6 mm dia x 62 mm long)

i)30 cm Exhaust fan (12')

ii) 38 cm Exhaust fan (15")

Supply and Delivery of 4 feet Industrial box type single LED tube fitting incl. Supply & Delivery of 1 no. 240V, 20 W LED Tube (Polycarbonate with heat sink) with glare free light distribution with CCT (5000K-6500K) having minimum luminous efficiency of 100 Lm/ Watt or better & 50,000 LED burning hours or more. [Make- Philips/ Crompton/ Wipro or manufacturer with own NABL accredited lab with valid test certificate] [LED lamps & accessories shall have BEE certification]

Supply and Delivery of 4 feet Industrial box type twin LED tube fitting incl. Supply & Delivery of 2 no. 240V, 20 W LED Tube (Polycarbonate with heat sink) with glare free light distribution with CCT (5000K-6500K) having minimum luminous efficiency of 105 Lm/ Watt or better & 50,000 LED burning hours or more. [Make- Philips/ Crompton/ Wipro or manufacturer with own NABL accredited lab with valid test certificate] [LED lamps & accessories shall have BEE certification]

Fixing only single/twin florescent light fitting complete with all accessories Directly on wall/ceiling with HW block and suitable size MS fastener, Ceiling plate, nipples etc. as required.

Fixing only single/twin fluorescent light fitting suspended 25 cm bellow the ceiling with 2 No. 20 mm dia EI conduit (14 SWG) supports fixed with “L/U” type MS clamp whose one side fixed on ceiling with sutable size 4 nos. fastener and other side connected with the conduit with suitable size of bolts and nuts incl. S&F EI conduit, “L/U” type (125mmx125mm) 6mm thick and 25mm with MS clamps and connecting the length of PVC insulated wire and mending good damages to original finish and painting etc. by 2x24/0.20 mm (1.5sqmm.) flexible copper wire of 1.10 mt. length.

OUTDOOR LIGHT

Supply & erection of mini pole of size 1.8/ 2 Mtr. long & 80 mm. dia (ISI Medium) on roof top by existing CC (6:3:1) base block (around the pole) having dimension of 0.60x0.60x0.76 mt. above roof level, neatly cemented finish (3 mm thick) incl. arrangement for suitable entry for cable/alkathene/polythene pipe , for street light wiring (without Loop Box) with hole for smooth cable entry at appropriate position and having 15 mm. thick stifner plates duly welded to base plate & pole base as per direction of E.I.C.

Providing CC (6:3:1) muffing 600x600x760 mm in size or equivalent size of cylindrical muffing above ground level around the pole base complete with 3 mm thick neatly finished cement plaster all round after dismantling the unserviceable muffing if necessary, Without Loop Box

Supplying and Fixing GI water proof looping cable box having hinged GI Top Cover having 4 mm thick with rubber gasket lining, railway type mechanical locking arrangement, earthing terminal with lug etc. of the following sizes as indicated below, Comprising of 2 way stud type terminal , one NL on porcelain insulator etc. and housing the same in pole incl. painting. 200 x 150 x 100mm(12 Nos. for new mini pole & 5 Nos. for Existing mini pole.

Supply and Fixing of single arm header assembly fabricated from 40mm dia. 1.5 mtr long GI Pipe (ISI-M) of following length rigidly welded with 100 mm dia. GI Pipe (ISI-M) of 0.3 Mtr. long as pole sleeves at an angle of 105⁰ including S/F 3 Nos ½” MS jam nut each with 1No. ½” dia. through bolt, pole cap and painting as to GS of the entire assembly i) Single arm 1.5 mtr header

Supply & Delivery of 240V, LED street lights with optic lens and polycarbonate diffuser having following wattage, in white powder coated pressure die cast aluminium housing with IP 66 protection & incl. 10 kV SPD, with glare free uniform illumination with CCT (5700K-6500K) having minimum luminous efficiency of 110 Lm/ Watt or better & 50,000 LED burning hours or more. [Make- Philips/ Crompton/ Wipro or manufacturer with own NABL accredited lab with valid test certificate] [LED lamps & accessories shall have BEE certification]

Supplying and fixing polythene pipe complete with fittings as necy. under ceiling/beam, bound with 22 SWG GI binding wire incl. supplying and drawing 1x18 SWG GI Wire as fish wire inside the pipes and fittings and providing 50 mm dia disc of MS sheet (20 SWG) having colour paint at one face fastened at the load point end of the polythene pipe with fish wire (synchronizing with roof/beam casting work of building construction).

a) 19mm dia 3mm thick Polythene Pipe

Supplying and fixing of 250 V Timer Fixed on wall with flat iron frame as per direction of EIC.The Box shuld comprising following accessorise... A) Double-door SPN MCB Distribution Board with IP-42/43 protection. 2+10 Way Make-L&T, as to GS B)250V, 50 Hz,16 Amp Digital daily & weekly time switche(Make- Legrand / L& T GIC AUTS02AST00 as to EIC. C) 250V, 25A 1 NO Conctractor.(Make-Legrand,/ ABB or as to EIC D) 240V, 25A DP type MCB and 10A SP MCB (Make- Legrand/ABB or as to EIC E) Toggle Switch ---1 Nos F) Diode type neon indicator lamp-1 no G) The complete arrangement must be wiring by Suitable Size PVC insulated Cu wire with suitable socket/lugs as per requirment & direction of EIC. (Make- Legrand/ L&T/Seimens/Schineider/ABB)

Excavation of soil for installation of Earth Electrode and filling & ramming for Soft Soil .

Earthing the installation with 2" ( 50 mm) dia ISI (M) GI pipe 3.64 mm thick x 3.04 Mts. long and 1 x 4 SWG GI (Hot Dip) wire (4 Mts. long), 13 mm dia x 80 mm long GI bolts, double nuts, double washers incl. S & F 15 mm dia GI pipe protection (1 Mts. long) to be filled with bitumen partly under the ground level and partly above ground level driven to an average depth of 3.65 Mts. below the ground level by ISI Medium GI Pipe .

Supplying & fixing earth busbar of galvanized (Hot Dip) MS flat 25 mm x 6 mm on wall having clearance of 6 mm from wall including providing drilled holes on the busbar complete with GI bolts, nuts, washers, spacing insulators etc. as required as per G S.

Supplying & fixing medium gauge GI Pipe ( ISI-Medium) Protection with necessary fittings and jointing metarials as required

(a) 80 mm dia

(b) 50 mm dia

(b) 32 mm dia

Supply & Delivery of 240V LED 9W lamps of following wattage with glare free light distribution having minimum luminous efficiency of 100 Lm/ Watt or better & 50,000 LED burning hours or more. [Make- Philips/ Crompton/ Wipro or manufacturer with own NABL accredited lab with valid test certificate] [LED lamps & accessories shall have BEE certification]

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