tender document for planning , designing , supply , installation , testing and commissioning of batterybank for ups at aiims rishikesh tender document for planning , designing , supply , installation , testing and commissioning of batterybank for ups at aiims rishikesh . , item :- aplanning design , supply , installation , testing and commissioning of sealed valve regulated lead acid batteries for 2x300 kva ups system , for providing 30 minutes backup for 300 kva ups . each bank of batteries shall comprise of : smf 2v x 440ah not less than 204 nos each set for ups to provide 30 minutes backup with all accessories and complete in all respect with supply and fixing of matching racks to house batteries along with interconnecting links etc . , item :- b buyback price of existing old battery bank on as is where is basis . ( set containing 204 nos . cells 2 volt , 440 ah ) note :- l1 will be decided on net rates after deducting the buy back value of old battery bank from rates of new battery bank i . ea-b = cc= net rates on which l1 will be decided .