tender for tender for supply, installation & commissioning of wood processing machinery - (group h items) 1.chemical treatment plants, for the establishment of common facility center (cfc) , chemical treatment plant , annual maintenance charges for chemical treatment plant - first year after warranty period ( 4 visits in an year by service engineer within an interval of 3 months, exclusive of any charges for spares/consumables used for maintenance during the visit) , annual maintenance charges for chemical treatment plant - second year after warranty period ( 4 visits in an year by service engineer within an interval of 3 months, exclusive of any charges for spares/consumables used for maintenance during the visit) , annual maintenance charges for chemical treatment plant - third year after warranty period ( 4 visits in an year by service engineer within an interval of 3 months, exclusive of any charges for spares/consumables used for maintenance during the visit) , annual maintenance charges for chemical treatment plant --fourth year after warranty period ( 4 visits in an year by service engineer within an interval of 3 months, exclusive of any charges for spares/consumables used for maintenance during the visit) , annual maintenance charges for chemical treatment plant -- fifth year after warranty period ( 4 visits in an year by service engineer within an interval of 3 months, exclusive of any charges for spares/consumables used for maintenance during the visit)