procurement of 02nos. of fume chambers, with 01no. of scrubber and 04 nos. of electric hot plates with accessories and comprehensive annual maintenance contract of supplied instrument in the geological survey of india, su bihar, lohianagar, kankarb , sub heading 1 , procurement of 02 nos . of fume chambers as per specification as mentioned in nit ( rate should be quoted for 02 nos . of fume chamber ) *note: rate should be quoted including supply , commissioning and installation , procurement of 01 no . ofscrubber as per specification as mentioned in nit ( rate should be quoted for 01 no . of scrubberr ) *note: rate should be quoted including supply , commissioning and installation . , procurement of 04 nos . of electric hot plates as per specifications as mentioned in nit , rate for comprehensive annual maintenance contract ( camc ) 02 nos . of fume chambers and 01 no . of scrubber for 3 ( three ) years after expiry of 2 ( two ) years of warranty of the product and accessories