supply , installation , testing and commissioning of 2 ton / 3 ton hi wall split air-conditioner at sub regional science centre , kokrajhar , assam supply , installation , testing and commissioning of 2 ton / 3 ton hi wall split air-conditioner at sub regional science centre , kokrajhar , assam strictly as per the councils technical specifications , quantities as per annexure-f , supply and installation strictly as per technical specifications and quantities in annexure-f , 2 or 2 . 2 tr ac , 3 tr ac , installation and allied works strictly as per technical specifications and quantities in annexure-f , fabrication , supply& installation of ms stand/brackets made out of min . 40mmx40mmx5mm ms angle for mounting outdoor unit of ac units as offerred above , duly primered with on red oxiding and finished with 2coats of synthetic enamel paint with anti-vibration rubber pads incl . civil foundation works if needed . , supply & fixing of adequate sized refrigerant copper piping between indoor & outdoor units ( beyond 3 . 0 mtr . as already considered in item no . 1 above ) duly insulated with with close cell elastrometric foam or 9 mm nitryl rubber tubular superlon insulation as per manuufacturers design & specs . as above incl . all required hardware & material , etc . complete . , providing & fixing electrical & control cable of stranded copper conductors of adequate size as per manufacturers standards as in the respective ac units between indoor & outdoor units . min . 3cx2 . 5sq . mm . ( beyond 3 . 0mtr . as already considered in item no . 1 above ) . , supplying & fixing rigid pvc heavy duty drain piping-20kg of adequate size ( min . 25mm dia ) with fittings & valve duly insulated with elastrometric foam , etc . complete as per the design and specifications of the manufacturer incl . all required accessories ( beyond 3 . 0mtr . as already considered in item no . 1 above ) garware/supreme/precision or equivalent make .