Special repair and renovation of all electrical accessories rising main by PWD in the main building of CTD that are too old and inoperable Electrical installation work

Amount

Charges for drawing out/ Pulling out the existing wiring(2x6sqmm+1x4sqmm Cu wire) from existing VTPNDB(5nos), HTPNDB's(7 nos.) &rewiring/reconnecting the existing wiring/circuit (approx 70 nos.)(2x6sqmm+1x4sqmm Cu) at proposed 6 Way HTPNDBs incl. mending good damages neatly as per direction of EIC without hampering day to day office work & no power interruption in the entire building.All necessary arrangements should be provide.(Considering 3 nos. semi skilled electrician and 3 nos. unskilled helper)

Supply and Fixing 6 way double door horizontal TPN MCB distribution board (Make- Legrand/ Schneider/ABB) with IP-42/43 protection, including 100A, 4 pole MCB isolator as incomer & 18 No's 10-32A SPMCB (Make- Legrand/ Schneider/ABB) of breaking capacity 10KA & C-characteristics as out goings , concealed in wall after cutting the wall and mending good the damages to original finish including inter connection with suitable size of Copper wire and neutral link & provision for earthling attachment as per direction by EIC.

Supplying and Drawing 1.1 KV single core stranded 'FR' PVC insulated & unsheathed single core stranded copper wire (make-as direction of EIC) of the following sizes in the prelaid polythene pipe/PVC rigid conduit/GI conduit and by the prelaid GI fish wire and making necy. connection as required. a) 2x2.5sqmm + 1x2.5sqmm

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

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

d) 4x16 sqmm) + 2x10 sqmm ECC for 3phase timer DB near 4th/5th floor AC HTPNDB .

e) 4x25sqmm + 2x16 sqmm ECC for 3 Phase Timer DB near Gr floor AC VTPNDB.

Finishing of the PVC insulated wire ends by socketting with pin/ ring type copper sockets and insulated tapes etc., including supplying sockets, tapes. a) 2x2.5sqmm + 1x2.5sqmm

b)2x56/0.3 (4 sqmm) + 1x36/0.3 (2.5 sqmm)

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

d) 4x16 sqmm) + 2x10 sqmm

e) 4x25sqmm + 2x16 sqmm

Supplying and fixing 25 mm dia PVC Rigid Conduit 'FR' [Precision Make] on wall, ceiling with saddles and other accessories as required and mending good damages to building works .

Supply & Laying of 1.1 kv gr. PVC insulated Aluminium Armoured cable 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. a) 4 core 50 sqmm. (makeGloster/:Havells/Mescab/KEI/RR Kable)

Supplying and fixing compression type gland of PVC Al, Armoured cable complete with brass gland, brass ring & rubber ring for dust & moisture-proof entry as below. a) 4 core 50 sqmm.

Finishing the end of following XLPE Aluminium armoured cables by crimping method incl. supplying and fixing solderless socket (Dowels make), tapes, anticorrosive paste & jointing materials. A) 4C 50 sqmm cable.

Supplying and fixing double door sheet steel (16SWG), powder coated cable end box for TPN DB horizontal / vertical enclosure with IP-42/43 protection, on angle iron frame on wall & mending good the damages to original finish with nuts boltsetc incl. provision for earthing attachment. a) 6 Way Vertical [for timer DB & existing VTPNDB]

Supply and fixing of three phase timer box recessed in wall, with locking arrangement & DIN Rail consisting of following items including necessary interconnection by suitable size of stranded PVC insulated 1.1 kv grade copper wire after crimping as per direction of EIC and suitable auto-manual bypass arrangement .a) Double door (12) way SPNDB with IP-42/43 protection (Make-Legrand/Hager/ABB). b)DIN mounted Digital/ Analog timer having provision of adjustment 24 hour( Make- L&T / Legrand/ ABB). c) DIN mounted power contractor with 415 volt magnetic coil with 4- pole 63A having 2 NO & 2 No. NC contactor.( Make- L&T / Siemens / Havells / Legrand / Schneider/ABB). d) 4- pole 63 Amp 10 KA DIN mounted FPMCB 'C' curve ( Make- Legrand/ Siemens / L&T / Schneider/ ABB). e) One No. red and one no. green 240 V LED indicator for indicating Auto & Bypass indication ( Make- L&T / Kayee/ ABB/ Schneider) -- 1 Set.

Supplying and fixing of MS Timer DB enclosure with powder coated and corrosion resistance coating with all neccessary arrangments like providing Cu Earth and Neutral bar and housing of Four pole 125A (4P) MCB and 125A 3 phase Contractor and Timer as per direction by EIC. Fixing the timer DB on wall & mending good the damages to original finish incl.providing of Din-rail for fixing the accessories, painting, locking arrangement, connection & provision for earthing attachment as per direction of EIC. Dimension of Box : 450mmx300x190mm with 16SWG MS sheet.

Supply and fixing of three phase timer box recessed in wall, with locking arrangement & DIN Rail consisting of following items including necessary interconnection by suitable size of stranded PVC insulated 1.1 kv grade copper wire after crimping as per direction of EIC and suitable auto-manual bypass arrangement a)DIN mounted Digital/ Analog timer having provision of adjustment 24 hour( Make- L&T / Legrand/ ABB). b) DIN mounted power contractor with 415 volt magnetic coil with 4- pole 125A having 2 NO & 2 No. NC contactor.( Make- L&T,MCX32,Ac rating 160A, CS97020 or same spec of Siemens / Legrand / Schneider as per direction of EIC). c) 4- pole 125 Amp 10 KA DIN mounted FP MCB 'C' curve ( Make- Legrand/ Siemens / L&T / Schneider/ ABB). d) one No red and one no. green 240 V LED indicator for indicating Auto & Bypass indication ( Make- L&T / Kayee/ ABB/ Schneider) -- 1 Set.

Supply and fixing of single phase timer box recessed in wall, with locking arrangement & DIN Rail consisting of following items including necessary interconnection by suitable size of stranded PVC insulated 1.1 kv grade copper wire after crimping as per direction of EIC and suitable auto-manual bypass arrangement . a) Double door (2+10) way SPNDB with IP-42/43 protection (Make-Legrand/L&T). b)DIN mounted Digital/ Analog timer having provision of adjustment 24 hour( Make- L&T / Legrand/ ABB). c) DIN mounted power contactor with 250 volt magnetic coil with 2- pole 40A having 1 NO & 1 No. NC contactor.( Make- L&T,MNX 40,2P / Siemens / Havells / Legrand / Schneider/ABB). d) 2- pole 40 Amp 10 KA DIN mounted DPMCB 'C' curve ( Make- Legrand/ Siemens / L&T / Schneider/ ABB). e) One No. red 240 V LED indicator for indicating Auto & Bypass indication ( Make- L&T / Kayee/ ABB/ Schneider) -- 1 Set.

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)415 mm x 200 mm x 65 mm

Supply & Fixing bakelite / perspex top cover on existing switch board by Brass screws after making housing for switch by cutting bakelite / perspex cover and making necessary connections as required. A) 415 mm x 200 mm x 65 mm

Hiring charges for scaffolding arrangement including dismantling at the end of work and carriage, per storey of building per vertical run.

FAME ENGINEERING (BID ID -6104177)

BANERJEE CONCERN (BID ID -6107208)

ELECTRO POWER (BID ID -6114259)