NBU/CE/101/2024-25

Supply, fixing and commissioning of 4 nos. 1.9Tr AC machines (Split type) including necessary upgradation of electrical network and fixing of Timer Switches at Central Library, Medical Centre and CCTV Monitoring Room within NBU main campus.

Supply & Fixing 240 V, 25A Modular starter (Brand approved by EIC) on existing GI Modular type switch board with top cover plate and making necy. connections with PVC Cu wire and earth continuity wire etc.

Supplying & Fixing GI Modular Switch Board of the following sizes complete with top cover plate flushed in wall for housing the board after cutting the brick wall incl. making earthing attachment, painting and mending good damages to building works a) 2 Module

Distribution wiring in 1.1KV 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) 2X4sqmm+1X2.5sqmm.

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

b) 4.0 sq mm.

Supply & fixing of 20/25A plug top with necesaary connection

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.2+6 way (make-L&T or equivalent)

Supplying and fixing 240/415 V MCB of Breaking capacity 10kA & C characteristics on din rail of existing DBs and necessary connection.6-32A DP MCB

Supply and fixing of 25A Power Contactors 2 pole, Type- MNX, Make- L&T, Coil Volatge- 240/415 VAC, Power Rating (AC3)- 11kw at 415V, Operationg frequency- 50HZ, Ambient Temperature Range--5 deg to +55 deg, IS/IEC 60947-4-1 & IEC 60947-4-1

Supply and fixing of 25A Power Contactors 3 Pole, Type- MNX, Make- L&T,Coil Voltage- 240/415 VAC, Power Rating (AC3)- 11kw at 415V, Operationg frequency- 50HZ, IS/IEC 60947-4-1 & IEC 60947-4-1

Supply, fixing and commisioning of Digital Timer having supply voltage 110 to 240VAC, Power consumption (max)-4VA, Operating Frequency-50HZ, Battery backup- approx 6years running resrve of 20 degree © ambient temp, 3 line Twxt LCD display, No. of programs-25 ON/OFF, Hour Setting- 00-23 for 24H clock & 00-12 for 12H clock mode, Clock resolution (medium)- 1 min, Resets all programs and clock feature, Clock accuarcy +/- 2s/day max over the operating temp range, Contact Rating- 16A(NO) & 5A(NC) @ 240VAC/24VDC (Resisteve), Minimum Switching load- 40mA at 24VDC (Make- L&T Crono (67DDT0) or equivalent as approved by the EIC)

Dismantling the existing Window / Split type RAC machine carefully from its original location and covering this exsisting position by acp/Eboard & including carying & deposited to store as instructed by the EIC

Supplying and fixing of copper pipe (1/2 & 3/4 inch) including 4c x 2.5 cable with insulation tube and rapping tape for necessary connection of indoor unit to outdoor unit AC machine

Supplying and fixing of 3c x 2.5 cable for necessary connection of indoor unit to power plug

Supply & Laying hard/soft drain piping work out of PVC/HDPE hard pipes of following size including fitting, accessories upto ground level. a) 19mm dia

Supply and fitting the outdoor bracket including labour, tools, tackles, scaffoldong etc as required to complete the work in all respect withn the main campus of University of North Bengal.

Supply, fitting, fixing and commissioning of Single phase 230V, 50 Hz A.C Split type room air conditioner 1.9 TR capacity fitted with rotary/ reciprocating compressor and copper pipe with insulation (liquid & Suction line), copper cooling coil, Rated capacity 6.6KW, Operating current (Amps)- 8.2, Volume of air (CFM)- 777 or above, EER (w/w)- 3.57 or higher, star rating – 2-3 Rated Energy efficient, Refrigerant Use - 410A, incl.Remote etc. complete with outdoor bracket as per direction of EIC (Make:Mitsubishi Electric or equivalent as approved by EIC).Including labour, tools, tackles, scaffolding etc. as required to complete the work in all respect within the main campus of University of North Bengal.