replacement of old existing ac units by new cassette type ac units with associated electrical works and false ceiling work at engineering auditorium, faculty of engineering and technology, jamia millia islamia , hvac work and false ceiling work, electrical work , non-schedule items , hvac works , supply installation testing and commissioning of inverter based cooling only cassette type air-conditioning system including full charge of refrigerant gas including top up of refrigerant gas as per field requirement complete in all respects.make :- lg , cassette type unit: 4.0 tr (3 phase) , cassette type unit: 3.0 tr (3 phase) , cassette type unit: 2.0 tr( 1 phase) , dismantaling work dismantling of existing air-conditioning unit including copper piping, drain piping and power and control wiring and shiting the same to a designated location as directed by engineer in charge , ceiling mounted type unit , cassette type unit , installation testing and commissioning of disamantled cassette units type air-conditioning system including copper piping, drain piping, control & power cable and shall be inclusive of full charge of refrigerant gas complete in all respects. the rates shall be inclusive of providing & fixing of copper piping (if required). , cassette type unit 3.0 tr , cassette type unit 2.0 tr , refrigerant piping supply, installation, testing and commissioning of interconnecting refrigerant piping work suitable for refrigerant flow , 9.52mm(3/8).(insulation : 13 mm) , 15.88mm(5/8).(insulation : 19 mm) , drain pipingproviding and fixing rigid pvc piping complete with fittings, supports as per specificationa and duly insulated with 6mm thick closed cell nitrile rubber insulation , 25 mm dia , providing & fixing of control wiring of 6core x 1.5 sqmm copper in conduit between indoor and outdoor units. , false ceiling work , dismantling and re fixing of existing grid ceiling including frame work. including supplying and fxing of new frame and tile if required. , dsr items (electrical work) , wiring , wiring for circuit/ submain wiring alongwith earth wire with the following sizes of frls pvc insulated copper conductor, single core cable in surface/ recessed medium class pvc conduit as required. , 2 x 6 sq. mm + 1 x 6 sq. mm earth wire , 4 x 6 sq. mm + 2 x 6 sq. mm earth wire , mccb, mcb & db’s , supplying and fixing following rating, double pole, 240 volts, isolator in the existing mcb db complete with connections, testing and commissioning etc. as required. , 63 amps , supplying and fixing following rating, four pole, 415 volts, isolator in the existing mcb db complete with connections, testing and commissioning etc. as required. , 63 amps , mr items , supplying and fixing pole box shi make or as approved by engineer in-charge. , note:- rates are all inclusive of gst, contractors profit and cartage.