supply , installation and commissioning of continuous ambient air quality monitoring station ( caaqms ) -2 supply of continuous ambient air quality monitoring stations at jilling, guali and kurmitar mines. 3 supply of porta cabin [approx. size: 3m (w) x 3m (l) x 2.7m (h)] (where the rcc rooms are not available) for the online analysers with fire extinguishers – 1 no. 4 furniture 5 working table – powdered coated ms frame size 1400 x 900 x 750 mm (w x d x h) and top 19 mm thickness board 6 revolving tilting chair (2 nos. at each location) 7 supply of split type 1.5-ton capacity acs, roof mounted of 5-star rating with an automatic timer for monitoring station with separate voltage stabilizer for each unit (2 nos. at each location) 8 supply of ups 9 supply of digital display system 10 category b 11 installation and commissioning of supply of continuous ambient air quality monitoring stations at jilling, guali and kurmitar mines. 12 installation and commissioning of porta cabin [approx. size: 3m (w) x 3m (l) x 2.7m (h)] (where the rcc rooms are not available) for the online analysers with fire extinguishers – 1 no. 13 installation and commissioning of split type 1.5-ton capacity acs, roof mounted of 5-star rating with an automatic timer for monitoring station with separate voltage stabilizer for each unit (2 nos. at each location) 14 infrastructure for data logging, 15 online transfer of data to spcb/cpcb server 16 installation and commissioning of ups 17 installation and commissioning of digital display sytem 18 category c namc charges for operation and maintenance of caaqms (with spares and lightening arresters) for a contract period of five years after completion of one-year warrantee period. 19 1st year 20 2nd year 21 3rd year 22 4th year 23 5th year