Tender For Replacement Of Air Conditioning Machines And Its Allied electrical installation Works At Labour Ot Mat Ot And Septic Ot At The First Floor Of Centenary Building Under Nrsmc And Hospital Kolkata 1 Supply & Delivery of 230V-1ph,2TR capacity concealed type Split Air Conditioner (3-Star rated) cooling capacity of 24000 BTU/hr. with 1Nos.rotary compressor (R-32/ R410a), 1nos. IDU, Air-flow/per IDU:- 800CFM & wireless remote. ( Make:Mitsubishi-Electric/O-General/Hitachi) 2 Copper Refrigeration pipe line for liquid and suction line with fittings, elbows, bends, supports & brackets (Make-Ryoku) 3 Liquid Line (1/4 OD with 0.6 mm thick) 4 Suction Line (5/8 OD with 0.7mm thick) 5 Erection, Commissioning & Testing of 2 TR concealed type Split Air Conditioner. 6 Supply & Fixing Pipe Insulation in liquid & suction line with 9mm nitrile rubber tube (Accoflex) 7 Liquid Line(1/4 OD with 0.6 mm thick) 8 Suction Line (5/8 OD with 0.7mm thick) 9 S & F 4 core 2.5 sq.mm copper cable for communication from Condensing Unit to control panel (Make: polycab/RR Cable/finolex) 10 S & L of Drain Water piping work out of 3mm thick / Schedule 40 UPVC pipeof following sizes incl. fitting, accessories, bends, elbows, tees, flanges, tapings, wall sleeves, hangers, supports, anchors. (Make-Supreme/Astra/Ashirvad/Prayag) 11 25/32 mm dia 12 Charges for scaffolding arrangement incl. lifting for outdoor & indoor units 13 Supplying, fabrication & fixingM.S u-channel of 6 mm thick of size (75 mm x 40 mm x 40 mm) for making platform for installation of outdoor unit ofConcealed split AC incl. drilling 2 nos holesin each channel including cutting holes into the wall & grouting the same with cement concrete (1:1 ½ :3) etc. fabricated with horizontal angle of 25 mm x 25 mm x 6 mm including supporting angle 50 mm x50mm x 6 mmin each platform in outer edge for transmitting the load centrally through 2Nos. (50 mm x 50 mm x 6 mm) Angle inserted into the exiting wall. The entire structure should be barricaded & safe for ODU maintenance. Area of the platform is3Mtr. x 1.2Mtr.Structural design should be approved by E.I.C. 14 Charges for Refrigerant gas R-32/R 410a for 2 TR concealed type Split Air conditioner. 15 Dismantling the old window ac machines and existing power boards to run the AC machines and submit to the sub divisional store as per direction of EIC. 16 Supply and fixing of Al powder coated continuous Grill (Make- Premier) 17 Supplying, fitting & fixing in position suspended boxing for return air arrangement & indoor units of ductable split airconditioner with frame work of aluminium hollow section of size 50mm x25mm (2.0mm thickness) combined with aluminium corners of size 38mm x 25mm, suspended by aluminium hollow tube section of size 38mm x 25mm ,25mm x 25mm powder coated wall angle with aluminium composit panel of thickness 3.0mm comprising of protective film, polyester coating, primer, aluminium coil, adhesive film, polyethylene core again with one layer adhesive film, aluminium bottom coating and finally service coating as per manufacturers specification finished with aluminium screw and silicon sealent including suitable arrangement for grill fixing complete in all respect as per direction of EIC. 18 Charges for Trap Door made of Aluminium Channel & ACP board/gypsum board and others necceary arrangementsfor IDU Maintenance 19 Supply & Fixing 240 V, 25 A, Modular type starter (Brand approved by EIC) with 25A Modular switch type DP MCB (C Curve)and 6 Module GI Modular type switch board with 6 Module top cover plate flushed in wall incl. S&F switch board , cover plateand two nos blank plateand making necy. connections with PVC Cu wire and earth continuity wire etc. (E19/18, K2/99) 20 Supply and fixingof 24 hours programmable Digital timer switch (Make: L &T/ Crabtree) 21 Supply & fixing of 230 V Timer DBwith steel sheet enclosure double door , phosphatised powder coated , neutral bar, Din Rail with IP-43 protection. i)1 no. 25A DP MCB (C Curve, 10 kA,), ii) 1 no. 24 hours programmable Digital Time Switch. (Cat no:-67DDTO, make:- L&T/ or Similar) iii) 1 no. 25A, 1-Phase Power contactor (Cat no-MNX 22, Make-L&T/ or Similar)iv) 1 no. 15A, Auto/ Manual bypass Changeover Switch. v) Provision for earthing attachment including LED indication light for running condition and locking arrangement. Suitable DB size selection with internal wiring 6sqmm Copper wires along withProper Connection with Cu.Socketting endto be fixed maintaining recommended clearance. as directed by EIC.(Make:-L&T/Legrand) 22 Supply and Fixing 1.1 KVsingle core stranded FRLSPVC insulated & unsheathed single core stranded copper wire(RR Cable/Finolex/ /Polycab/KEI) as approved by EIC) of the following sizes in 20mm/25mm/32mmthePVC Rigid Conduit FR [Make-Precision] on wall, ceilling with saddle and other accessories as required and mending good damages to building works. 23 2x4 sqmm+1x 2.5 sqmm ECC[ E-9,1(v) & E-16,7(a) ] 24 Supply and Fixing 240V, 25A 3 pin modular plug socket(Norysis/approved make) with S & F 2 modular GI switch board with top cover plate and Making necessary connection as required (E17/5b, 2a) 25 Finishing of the PVC insulated wire ends by socketting with pin/ ring type copper sockets and insulated tapes etc., including supplying sockets, tapes. [ F-5,9 ] 26 2x4 sqmm+1x 2.5 sqmm ECC[ F-5,9(ii&i)] 27 Covering the hollow portion by brick, sand, cement etcof size 900 mm x 600 mm (Approx) created for the dismantling the window AC machines. 28 Supplying & Delivery of following 250 Volt, T8, 18/20 Watt, 4 Ft. long Double LED Tube fittings complete with LED tube lamp in built driver&metal heat sink(LT8-20-865-(2)) having at least 100 lumen/watt and cast iron box type fittings.(Make- Philips cat no- TMC 502 P 2xT-LED 22W P3241 / Crompton cat no- IGP162LT8-16) 29 Fixing only single/twin fluorescent light fitting suspended 25 cm bellow the ceiling with 2 No. 20 mm dia EI conduit (14 SWG) supportsfixed with “U” type MS clamp whose both side fixed on ceiling with suitable size 4 nos. fastenerand other side connected with the conduit with suitable size of bolts and nuts incl. S&F EI conduit, “L” /Z 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 3x24/0.20 mm (1.5sqmm.) flexible copper wire of 1.10 mt. length. [C-2,17 ] 30 Rate should be quoted incl. of all taxes and cess. 31 Defect Liability period : 1)1 year
