bids are invited for supply of 20.0 tr ductable package units , installation testing and commissioning of 20 tr package unit , pressure testing vacuuming and nitrogen flushout , refrigerent charging entire system , ms structure modification for odu mounting arrangement , dismantling of existing machine , refrigerent piping and modification , communication cable between idu and odu , canvas connection with zip on machine outlet , gi 22 gauge mouth connection modification , acousting insulation 15mm thick for the mouth connection modification piece , lifting shifting and positioning of the machines , comprehensive amc charges for ducted ac units for first year , comprehensive amc charges for ducted ac units for second year , comprehensive amc charges for ducted ac units for third year , comprehensive amc charges for ducted ac units for fourth year , comprehensive amc charges for ducted ac units for fifth year total quantity : 805