tender for e-tender for annual maintenance contract of ac machines with allied accessories at esi hospital- gourhati= 1 amc services 2 amc of a 1.5 ton window type ac machine including compulsory monthly cleaning as preventive maintenance and as and when required if breakdown happens 3 amc of a 2 ton window type ac machine including compulsory monthly cleaning as preventive maintenance and as and when required if breakdown happens 4 amc of a 1.5 ton split type ac machine including compulsory monthly cleaning of indoor and outdoor unit as preventive maintenance and as and when required if breakdown happens 5 amc of a 2ton split type ac machine including compulsory monthly cleaning of indoor and outdoor unit as preventive maintenance and as and when required if breakdown happens 6 cost of gas charging (if any) per ton split type/ window type ac machine 7 cost of installation of a split type ac machine including accessories like bracket, water pipe (10ft) etc. 8 cost of spare parts (if any) 9 spare parts including replacement of various accessories required to make functional of an ac machine