Replacement of old VRF type AC Machine by new Conceal Split and Cassette type AC Machine with allied Electrical Works at Seminar Hall Sr Spl Secy Chamber Addl Secy Chamber at Dept of Sundarban Affairs Mayukh Bhawan 3rd fl Salt Lake Kol 91 EI Works

S & F Timer Control unit for 3 Ph AC machiaes with 12-way SPN DB Box(Mk.- L & T/Crabtree/ Legrand/Siemens/ABB)(For 3phase A.C. machine) 12 way SPN DB or Timer DB- 1 no 40A FP MCB Isolator-l no Digital 24 hrs.Time switch-1 no 40A 3 pole power contactor-1no Centre off 2-way toggle switch-1 no 32A Barrier type Terminal -1 no LED indicating lamp-2 no 4x4+2x2.5 Sq.mm Cu wire(Gloster /KEI/RR Kabel) as per choice of EIC.

S & F Timer Control uait for 1 Ph AC machines with 12-way SPN DB Box(Make.-L & T /Crabtree/ Legrand/Siemens/ABB) 12 way SPN DB or Timer DB- 1 no 40A DP MCB Isolator-l no Digiral 24 hrs.Time switch- 1 no 32A 2-pole power contactor-1no Centre off 2-way toggle switch-l no 32A Barrier type Terminal -l no LED indicating lamp-l no 2x4+lx2.5 Sq.mm Cu wire(Gloster /KELR.R Kabel) as per choice of EIC.

S&F PVC Water proof type looping cable box size 250 X 200X 150mm deep having 4 mm thick comprising of one 250V ,6-32A FPMCB of breaking capacituy 10kA & C Characterstics on din rail ,one NL on porcelin insulator ,one comprising type brass cable gland for up to 2 core 16 sqmm PVC AL cable and having lined withrubber gasketted GI top cover with brass machine screws etc,earthing terminal with lug on steel tubular pole near base including S&F 40X6mm thick GIclamps with bolts nuts etc incl painting if necessary as per direction of EIC(Make-Syntex/Hansel)

Supply of OLP-3, 25A is a highly advanced microprocessor controlled starter used for ACs and other compressor loads. The time-tested combination of Voltcheck, Ampcheck & Timecheck ensures safe operation and long life of AC Compressors. [Make: Electron/Ultratech/Ultrasafe] OLP-3, 25A Starter.

Supplying & Fixing GI Modular Switch Board of the following sizes incl. top cover flushed in wall for housing the board after cutting the brick wall incl. making earthing attachment, painting and mending good damages to building works 4 module GI modular box for housing the OLP starter.

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 Modular type switch (Brand approved by EIC) fixed on Modular GI switch board complete with 2 no. suitable size “Ph & N” copper bar with top cover plate making earthing attachment fixed on wall incl. mending good damages to original finish. [only PVC Rigid Conduit on ceiling and remaining portion concealed] [only PVC Rigid Conduit on ceiling and remaining portion concealed] Average run 10 mtr

On Board

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 2 x 56/0.3 (4 sqmm) + 1 x 36/0.3 (2.5 sqmm) ECC( from TPNDB to AC Point)

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 4x84/0.3 (6 sqmm) + 2x56/0.3 (4 sqmm) as ECC(For AC machine 2.5 Ton outdoor connection)

Finishing of the PVC insulated wire ends by socketing with pin/ ring type copper sockets and insulated tapes etc., including supplying sockets, tapes. 2.5 sq.mm