tender for clean room hvac upgradation work , ahu-1 for class 1000 clean room , ahu 2 for class 100 clean room , pumps , chilled water piping for both ahu , temperature sensors cum transmitters with all fittings and ss316 thermowell, etc. , differential pressure sensors across filters , pressure gauges complete with all the fittings and isolating valves etc. , temperature and rh sensor - accuracy: temp. + / - 0.2 deg c, rh + / -1 % , duct air flow sensor , chilled water piping insulation , ducting , duct insulation , fire dampers for ahu 1 & ahu 2 , exhaust blower , pp+ frp ducting 350mm dia , hmi control panel for monitoring temp and rh of all rooms , electrical db , electrical cabeling with metal trunking , modification works , civil works , testing & commissioning of hvac system , clean room validation