Annual Maintenance of Electrical Installation of State Labour Institute Kolkata Repairing of EI work

Amount

Dismantling the existing damaged wiring, switch board, tube light fitting with tube and disconnect the power from the existing ceiling fan,.After new distribution wiring ,reconnection for ceiling fan will be executed by the agency. They depositing the existing damaged wiring and switch board and tube light with fitting to the concerned authority, including mending good damages neatly. ( Pt. wirings- 32 pts, tube fitting- 22 nos , Damaged SPNMCBDB-1 nos) . Some parts of existing wiring of 16 nos. AC machines (Avg run approx 6-7 mtrs.) to be disconnected from HTPNMCBDB and the same to be reconnected with the proposed timer control unit as per direction of E.I.C

Distribution wiring in 1.1 KV single core stranded 'FR' PVC insulated & unsheathed copper wire (Brand approved by EIC) in 20 mm size PVC rigid conduit 'FR' (Precision make) incl. necy. fittings as required. (a) 2x56/0.3 (4 sqmm) + 1x36/0.3 (2.5 sqmm) as ECC For A.C (Existing HTPNMCBDB to proposed Timer control unit and 1 no new AC wiring at computer room)

b)2x36/0.3 (2.5 sqmm) + 1x22/0.3 (1.5 sqmm) as ECC For Power plug and Computer board15A plug. (3 nos 15A plug at Medical room).

Finishing of the PVC insulated wire ends by socketting with pin/ring type copper sockets and insulated tapes etc., including supplying sockets, tapes. a)2.5 sqmm

b)4 sqmm

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 3mm thick and incl. 175mmx100mmx65mm inspection box, making earthing attachment, painting the MS box and mending good the damages to original finish]( average run-8 mtr)( Computer room (Ist floor)-5 nos , office room ( Ist floor)-8 nos , Medical room( Gr. floor)-11 nos , Corridor( Ist floor)-5 & toilet-2 nos

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 & 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 & F150x100x65mm 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.( Medical room)

Supply and fixing of Timer control unit for 1 Ph AC machine with 12 way SPNDB Box arrangement .( Make- L&T / Legrand/ ABB). a) 12 way SPNDB or timer DB-1no b)40A DPMCB isolator-1no c) Digital 24 hrs time switch-1 no d) 32A 2 pole power contractor-1 no e) Centre off 2-way toggle switch-1 no 32A f) Barrier type Terminal -1 no g) LED indicating lamp-2no H)2x4+1x2.5 sqmm cu wire ( Gloster/KEI/rr/kABEL) ( Gr. floor-4 nos, Ist floor-4 nos & 2nd floor-6 nos & server room-2)

Supply & Fixing single LED tube light fitting (with 18 Watt MASLED tube) complete with all accessories 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. [Make: Philips, Cat No.:TMC 502P2XT-LED22W with MAS LED tube 1200mm 18W 865 T8 I-2100 lm/Equivalent Wipro] ( Computer room (Ist floor)-3 nos , office room ( Ist floor)-5 nos , Medical room( Gr. floor)-7 nos , Corridor( Ist floor)-5 & toilet-2 nos

Extra for suspension exceeding 25 cm with S&F additional 2 no. 20 mm dia EI conduit (14 SWG) supports & necy. PVC insulated wire and painting etc. as required by 2x24/0.20 mm (1.5sqmm.) flexible copper wire of 1.10 mt. length. [PWD/GS Page: C2 Item: 16 ]

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

Supply & Fixing 240 V, 25 A, Modular type starter (Brand approved by EIC) with 25A Modular switch type DP MCB (CCurve) and 4 Module GI Modular type switch board with 4 Module top cover plate flushed in wall incl. S&F switch board and cover plate and making necy. connections with PVC Cu wire and earth continuity wire etc. (for A.C) ( Computer room)

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. ( Computer room)

Supply & Fixing 240 V,25 A, 3 pin Modular type plug top with indicator (Brand approved by EIC) & necy. Connections. ( Computer room)

MAA TARA ENTERPRISE (BID ID -7368344)

Sanjay Shaw (BID ID -7396986)

mofijul and son(OPC)Private limited (BID ID -7407852)

ALPHA ELECTRICALS (BID ID -7397523)

S. A. ENTERPRISE (BID ID -7402348)

T.D.K. ENTERPRISE (BID ID -7403282)