provision of ac facility to walmart space , double skin fan coil units - decorative type ceiling suspended -inside conditioned spacesitc of double skin chilled water fan coil unit. it is proposed to install these units ceiling suspended inside the conditioned area without false ceiling. hence, aesthetics of the unit is of parmount importance. the unit shall be constructed out of sandwiched panels minimum 43 mm thick rpuf insulation, with thermal break profile.the outer sheet of the panel shall be 0.8mm thick and the inner sheet shall be 0.63mm thick. the unit shall be provided with aaluminium powdercoated grille for both supply air and return air. ra grille on the rear side. sa grille shall be provided in the front side. ( please refer enclosed sketch ) . the units shall be with blow through design, units complete with pre-filters, fan section with didw forward curved fan directly coupled to a single phase motor operable in 3 speeds, 3 row deep cooling coil& extended drain tray. coil section shall be with suitable air vent and drain points.the coil section and drain tray sections shall be provided with sandwiched insulation.the unit shall be sizedto accommodate the isolation valves as well as the control valve. the fcu shall be factory fitted with isolation valves ( ball valve with strainer at inlet and without strainer at outlet ) , 2 waymotorised valve ( on / off type ) motorised valve with spring return ( valve to close when the power supply is cut off ) , necessary interconnections etc., price to include for room thermostat compatable for bms integration ( bacnet over mstp ) with on / off, fan speed and temperature control with a digital display & upto 15rmt of interconnecting wiring between fcu and thermostat in gi conduits. price also to include upto 3rmt of copper flexible multicore cable with plugtop for power. , 2.0tr, 800 cfm , 1.0 tr, 400 cfm , sitc of pre insulated chilled water piping inside buildings inwelded construction with ms erw pipes with factory made gi spiral pipe jacketed puf insulation complete with all fittings, flanges, pressure testing as per specification. pipes 150mm dia and below shall be c class as per is1239.200 mm and above shall be as per is3589 with wall thicness as specified. cost to include necessary supports with puf saddles. , 40mm dia nb - jacket dia min 140mm , 32mm dia nb - jacket dia min 125mm , 25mm dia nb - jacket dia min 125mm , copper chilled water pipingsitc of copper soft / hard drawn piping for smaller chilled water units ( csu, fcu, hiwalls ) with all fitting and insulated with class o tubular closed cell nitrile rubber 25mm thick insulation with factory made glass cloth backing. thickness of the copper pipe shall be minimum 22g. price to include necessary flare nuts, adaptors etc., copper pipe routing shall be as per the attached tender layouts. , 19.1mm dia