item rate contract for supply and installation of (-)860c vertical deep freezer laboratory instruments and equipments at departmental water quality testing laboratories in uttarakhand item rate contract for supply and installation of (-)860c vertical deep freezer laboratory instruments and equipments at departmental water quality testing laboratories in uttarakhand , supply and installation of following laboratory instruments/ equipments at departmental water quality testing laboratories (annexure-7) as per enclosed specifications mentioned in this tender document. , (-)86° c vertical deep freezer , annual maintenance charges for following instruments for five years after lapse of guarantee/warrantee period from the date of installation at destination laboratories in any part of uttarakhand state with all materials, labour, t&p etc. required for maintenance.(-)86° c vertical deep freezer , for first year , for second year , for third year , for fourth year , for fifth year