Electrical works for Renovation and extension of Department of Dentistry in the Campus of NBMCH. Sushrutanagar, Darjeeling.

Amount

Part - A : Internal E.I work Distribution wiring in 1.1 KV grade 2x22/0.3 (1.5 sqmm) single core stranded 'FR' PVC insulated & unsheathed copper wire (Brand approved by EIC) 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

Distribution wiring in 1.1 KV grade 22/0.3 (1.5 sqmm) single core stranded 'FR' PVC insulated & unsheathed copper wire (Brand approved by EIC) in 20mm size PVC rigid conduit 'FR' (Precision make), with 1.1 KV grade 1 x 22/0.3 (1.5 sqmm) single core stranded 'FR' PVC insulated & unsheathed copper wire as ECC, to 5A 3 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 (wall matching color) top cover 3 mm thick and incl. painting the MS box and mending good the damages to original finish.

(a) On Board

Supply and Delivery of 4 feet Industrial box type single LED tube batten/ mounting rail (rust free) suitable for single TLED lamp. [Make- Philips/ Crompton/ Wipro or manufacturer with own NABL accredited lab with valid test certificate]

Supply and Delivery of 4 feet Industrial box type double LED tube batten/ mounting rail (rust free) suitable for single TLED lamp. [Make- Philips/ Crompton/ Wipro or manufacturer with own NABL accredited lab with valid test certificate]

Supply & Delivery of 240V, 18/ 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]

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” 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” 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.

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.

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 incl. making necy. connections etc.

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

(ii) 2 x 84/0.3 (6 sqmm) + 1 x 56/0.3 (4 sqmm) ECC

(iii) 2 x 56/0.3 (4 sqmm) + 1 x 36/0.3 (2.5 sqmm) 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) 2.5 sqmm

(ii) 4 sqmm

(iii) 6 sqmm

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]

(ii) 4 core 35 sqmm

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.

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) upto 4 core 35 sqmm cable

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 core 35 sqmm cable

Supplying and fixing double door way 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. Enclosure (607716)

(i) 6 way (Legrand)

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

(i) 63 A FP (Legrand)

(ii) 40 A DP (Legrand)

Supplying and fixing 240/415 V, SP MCB of Breaking capacity 10kA & C characteristics on din rail of existing DBs and necessary connection.

(i) 6-32 A (Legrand)

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 Enclosure (607711)

Supply & Fixing 240 V, 4 nos. 20A plug socket with separate 4 nos. 20A Piano key type switch, indicator & 20A switch type SP MCB (approved make) on sheet metal switch board embedded in wall incl. S & F 300x200x65mm 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 240 V, 25 A, 3 pin Modular type plug socket (Brand approved by EIC), without plug top and switch with 2 Module GI Modular type switch board with top cover plate flushed in wall and making necy. connections with PVC Cu wire and earth continuity wire etc

Supplying and fixing 25 A OLP - 3+ A.C Starter making necessary connection with PVC cu wire and earth continuity wire incl S & F of 175mm x 100mm GI box flushed in wall with voltage check, Amp check, incl. all connection & mewnding good the damages. (Make- Electron OLP3 +)(3nos for existing machine)

Part - B : SITC of AC Machine Supply & delivery of Hi- Wall inverter type Split Air having following specification- Cooling capacity (Kcal/Hr)- 4500 Kcal/ Hr (1.5 TR) ISEER rating- 3 Star or above as per BEE/ BIS IS compliance- IS 1391 Refrigerant- R32/ R410A Compressor- Rotary/ Scroll Evaporator & Condenser Coil- Copper Operating ambient temperature- 50 degree centigrade Power Supply- 240V, 50 Hz (Tolerance as per applicable standard) (Make- Mitsubishi Electric/ Mitsubishi Heavy Industries/ O- General/ Hitachi)

Supply & delivery of Hi- Wall inverter type Split Air having following specification- Cooling capacity (Kcal/Hr)- 6000 Kcal/ Hr (2 TR) ISEER rating- 3 Star or above as per BEE/ BIS IS compliance- IS 1391 Refrigerant- R32/ R410A Compressor- Rotary/ Scroll Evaporator & Condenser Coil- Copper Operating ambient temperature- 50 degree centigrade Power Supply- 240V, 50 Hz (Tolerance as per applicable standard )(Make- Mitsubishi Electric/ Mitsubishi Heavy Industries/ O- General/ Hitachi)

Installation, testing & commissioning of 1/1.1/1.5/1.8/2/2.2 ton AC machines complete with outdoor condensing unit on iron angle / powder coated bracket & indoor cooling unit on wall with suitable bracket . Rate is inclusive of cutting of wall for making holes and mending good the damages.

REFRIGERANT PIPING:- Supply and drawing 5/8" & 3/8" or 1/2" & 1/4" copper refrigerant pipes with 9 mm thick rubber nitrile rubber insulation an Al foil tape complete fittings Elbows, Bends, Supporting arrangement on walls along with other accessories on the surface of wall

DRAIN PIPING Supply & laying drain Water piping work out of UPVC/ HDPE hard pipes (Make HB / Supreme / Oriplast) incl. fitting , accessories bends, elbows, tees, flanges, tapings, etc. 20mm hard PVC pipe (heavy type) for water drainage.

S&F of 250V, 25A timer controlled single starter for controlling one no. room Air Conditioning Machine in SS double door 2+10 way DB enclosure (L&T / ABB / Legrand make) with S&F following electrical accessories & front door locking arrangement with all connections by finishing the ends of 2 x 4 & 1 x 2.5 mm2 copper wire with dowells solderless socket by crimping method as to GS, earthing attachment on wall incl. necessary connections as per direction of EIC:-(3 nos for existing machine)

1) 25A DP MCB (L&T/ABB/Legrand make)-1 no

ii) 24Hr x 7 days programmable Digital timer (L&T make Cat no 69DDT0)-1 no.

iii) 2-pole power contactor (L&T make Cat no MNX22/250V) - 1 no.

iv) 25A SP MCB (Make Legrand /ABB/L&T) - 1 no.

v) 25A Auto-Off-Bipass SPDT toggle switch (approved reputed make) -1 no.

vi) LED indication lamp (approved reputed make) - 1 no.

vii) Outgoing bakelite connector 32A (Reputed make as approved by EIC) - 2 nos

M S MAYA AND SONS (BID ID -6646414)

B/S ELECTRICAL (BID ID -6651063)

A.K.CHOUDHURY AND SONS (BID ID -6651114)