EI Work at Ground and First Floor Chemistry Lab of Calcutta University Rajabazar Campus.

Amount

Dismantling old existing light fitttings and Ceiling fan from ceilling of the workshop by own tools and trackles carefully and mending good damages.

Dismantling all the existing wiring of light fan fittings and switch board /5A plug/15A plug socket by own tools and trackles and mending good damages

Supplying and fixing Sheet steel Main Switches on angle iron frame on wall-125A 415V TPN with fuse on L&N Make: ( L&T / Havells / standard)

Supplying & fixing sheet metal (16 SWG) Iron Clad Busbar chambers on angle iron frame on wall, incl. earthing attachment and painting as required – ( As per Drawing no. 470 of PWD Specification Book – May 1991), 4 bars, 415 V, 125 A, Dimension of Cu. bars, [85mm long] 4 x 15x3mm, Dimension of Sheet Metal Box 500x150mm

Supplying and fixing double door 6 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. INCOMING- Supplying and fixing 415V 63A FP MCB Isolator on din rail of existing DBs and necessary connection. -1 No. OUTGOING-Supplying and fixing 240V 32A SP MCB of Breaking capacity 10kA & C characteristics on din rail of existing DBs and necessary connection-18 Nos. Blank Plate- 0 nos. (Make: Legrand / L&T / Crabtree)

Supplying and fixing double-door (8+2) way 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. INCOMING-Supplying and fixing 240V 40A DP MCB Isolator on din rail of existing DBs and necessary connection. -- 1 Nos. OUTGOING-Supplying and fixing 240V 6-16A SP MCB of Breaking capacity 10kA & C characteristics on din rail of existing DBs and necessary connection -- 08 Nos. (Make: Legrand / L&T / Crabtree)

Distribution wiring in 2 x 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 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 cum JB on wall complete with 2 no. suitable size “Ph & N” copper bar incl. bakelite/Perspex (wall matching color) top cover 3 mm thick and incl. 175mmx100mmx65mm inspection box, making earthing attachment, painting the MS box and mending good the damages to original finish Average run 12 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, On Board

Supplying and Drawing 1.1 KV single core stranded 'FR' PVC insulated & unsheathed single core stranded copper wire (Brand approved by EIC) of the 25Sqr mm single core in the Fire Retardant Polypropylene Flexible pipe and making necy. connection includng 25 sqr mm scoketting arrangements as required ( Make : Havells/Phinolex/ KEI/Polycab)

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

4x126/0.4 (16 sqmm) + 2x80/0.4 (10 sqmm) as ECC

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

a) 3 x 22/0.3 (1.5 sqmm)

b) 2x56/0.3 (2.5 sqmm) + 1x36/0.3 (1.5 sqmm) as ECC

c) 2x56/0.3 (4 sqmm) + 1x36/0.3 (2.5 sqmm) as ECC

d) 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.

a) 2.5sqmm

b) 4sqmm

c) 6sqmm

d) 16sqmm

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, 40mm size

Supply of Single LED light fitting with S & F 1 no. 18W LED tube with Aluminium Heat sink body along with complete accessories, having LED 18W light fitting having Cap-Base G13 [ Medium Bi-Pin Fluorescent] , Voltage (Nom) 100-240 V,Color Code 840 [ CCT of 4000K],Luminous Flux (Rated) (Nom) 2100 lm ( Make : Philips / Crompton / Havells )

Supply of Double LED light fitting with S & F 2 no. 18W LED tube with Aluminium Heat sink body along with complete accessories, having LED 18W light fitting having Cap-Base G13 [ Medium Bi-Pin Fluorescent] , Voltage (Nom) 100-240 V,Color Code 840 [ CCT of 4000K],Luminous Flux (Rated) (Nom) 2100 lm ( Make : Philips / Crompton / Havells )

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.

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.

Supplying & Fixing MS fan clam of two piece type for RC ceiling as per approved specification, fabricated from 40 mm x 9 mm MS flat including making good damages to building roof with satisfactory finishing and painting – (As per Drawing no. 475 of PWD Specification Book – May 1991)

Supplying of 240 V, . Sweep AC. Ceiling Fan complete with blades, canopy,fork, ruber bush etc. but without regulator in following sizes: ( Make : Orient/Crompton /Usha ), Make-Orient, Type- Summercool 240 V, 1200 mm. Sweep AC, 68Watt)

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.

Extra for supplying additional wire for down rod & painting the rod exceeding 30 cm by 2x1.5 sqmm flexible copper wire.

Supply of 18'' sweep A.C. Exaust fan metal body with all parts. (Make : Havells / Orient / Usha)

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: 23 cm (9")

Fixing only louver shutter/cowl on wall with necy. bolts & nuts 45 cm (18") Exhaust fan

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

Supplying and fixing MCB SS enclosure with IP-20/30 protection, powder coated provision for 16A two pole MCB, concealed in wall after cutting the wall & mending good the damages to original finish incl. painting, connection & provision for earthing attachment

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: By TATA-Medium GI pipe

Connecting the equipments to earth busbar including S & F 1No. 4 SWG GI (Hot Dip) wire of size as below on wall/floor with staples buried inside wall/floor as required and making connection to equipments with bolts, nuts, washers, cable lugs etc. as required and mending good damages (Earth Continuity Conductor)

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 (Earth Busbar)

Messrs HI- Q - ENTERPRISE

ALPHA ELECTRICALS

DB Enterprise

MAA TARA ENTERPRISE