Repair and renovation of Obstetrics ward under the Department of G and O, North Bengal Medical College and Hospital, Darjeeling- Electrical works.

Dismantling the existing Electrical Installations as per the direction of the E.I.C & handed over to the section office.

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 8 mtr

(b) Average run 10 mtr

(c) On Board

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, 3 nos. 6A, & 1 no. 20A plug socket with separate 3 nos. 6 A & 1 no. 20A Piano key type switch, indicator & 20A switch type SP MCB (Brand approved by EIC) on sheet metal switch board on 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.

Supply & Fixing angular batten holder (Anchor) on 75mm dia PVC round block / round bakelite on wall/ceiling.

Supply and Delivery 220V 9/10W LED Lamp. (Make: Philips, Model- Ace Saver, CDL B22 or equivalent model of Crompton Greaves)

Fixing only Lamp

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 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.

Supply & Delivery of 230V, 1-Ph, AC ceiling fan of follwing size incl. all accessories. (Make- Crompton / Usha / Orient/ Polar) [BEE star rated]

a) Sweep Size- 1200 mm (48"), Wattage ≤ 55 Watt, R.PM ≤ 350, Air Delivery ≥ 220 C.M.M

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) (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]

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

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

i) 30 cm Exhaust fan (12")

Supply & Delivery of 230V, 50Hz, 450 mm sweep heavy duty full metal body wall bracket fan having wattage ≤ 90 Watt, RPM ≤ 1325, Air Displacement (In CFM) ≥ 3550 complete with all accessories. (Make - Orient/Crompton/ EPC/Cinni) [BEE star rated]

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 (Make-Legrand/L&T/Schnider)

a) 4 Way 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 (Make-Legrand/L&T/Schnider)

Supplying and fixing 240/415 V MCB of Breaking capacity 10kA & C characteristics on din rail of existing DBs and necessary connection (Make-Legrand/L&T/Schnider)

Supplying and fixing 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/L&T/Schnider)

(i) 4 Way 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/L&T/Schnider)

(i) 2+12 way Enclosure (607712)

(ii) 2+16 way Enclosure (607713)

Supplying and fixing 240/415 V MCB Isolator on din rail of existing DBs and necessary connection.

(ii) 63 A FP

Supplying and fixing 240/415 V MCB of Breaking capacity 10kA & C characteristics on din rail of existing DBs and necessary connection (Make-Legrand/L&T/Schnider)

Supplying and fixing PVC Rigid Conduit 'FR' [Precision Make] on wall, ceiling with saddles and other accessories as required and mending good damages to building works

(a) 25mm size

(b) 20mm size

Distribution wiring in 1.1 KV single core stranded 'FR' PVC insulated & unsheathed copper wire (Brand approved by EIC) in 20mm size PVC rigid conduit 'FR' (Precision make) incl. necy. fittings as required

(i) 2 x 36/0.3 (2.5 sqmm) + 1 x 22/0.3 (1.5 sqmm) ECC

Supplying and Drawing 1.1 KV single core stranded 'FR'm 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

(i) 4x80/0.4 (10 sqmm) + 2x84/0.3 (6 sqmm) as ECC

(ii) 2x84/0.3 (6 sqmm) + 1x56/0.3 (4 sqmm) as ECC

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

(i) 2.5sqmm

(ii) 4 sqmm

(iii) 6 sqmm

(iv) 10sqmm

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 35 sqmm

Laying of cable as below, on existing Cable Tray and binding with suitable size GI wire (a) Up to 50 sqmm

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

(a) upto 35 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 : (a) upto 35 sqmm

Supplying & Fixing sheet metal inspection box (16 SWG) of the following sizes flushed in wall by housing the same after cutting brick wall incl. making earthing attachment, painting and mending good damages to building works

(a) 240 mm x 200 mm x 65 mm

Earthing with 50 mm dia 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 as below:

(a) 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

Connecting the equipments body to earth busbar including S&F 20 mm x 3 mm galvanised (Hot Dip) MS flat on wall/floor with GI saddles as required and connection to equipments incl. drilling holes, with bolts, nuts, washers etc

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