bids are invited for clean room operation and maintenance air handling units , chillers sixty tr , hot-water generators , chilled water pumps , hot water pumps , pan humidifiers , rotary dehumidifiers and packed air condition , process chilled water with plate heat exchanger pumps tank , ro plant , scrubber with blower and acid tank , bms system with computer and user interface , fire alarm system with smoke and heat detectors , pa system , cctv system , interiors with 10000 sft of different isos , air showers , garment closet with hepa , access control , earth pits , wet stations , cda and nitrogen generator with two compressors , gas manifold with uhp piping , electricals with two panels for all hvac fire alarm system pa and cctv , packed air conditioners , all gas liner water piper and cda cleanroom, operation and maintenance of cleanroom, total quantity : 67