bids are invited for annual maintenance services for water purification and conditioning system (version 2) - sitc of water cooler cum purifier with iron remover sitc of high wall split ac inverter type air-conditioner at international cargo terminal domestic air ca.. - supply, installation, testing and commissioning of ro+uv technology based integrated water cooler cum purifier (normal + cold storage water) as per following speciation including all fixing arrangement with existing water line as per site requirement or as directed by eic.i) full front & side body of water cooler cum purifier : material: ss304 or better (confirming to bis) ii) cold water storage tank material: ss304 or better (confirming to bis) iii) water cooler as per is 1475 (isi marked) of nominal cooling capacity - 40 lph at rated conditionsiv)filtration capacity (in lph): nominal 50 lph v)nominal storage capacity: normal water 30 litres & cold water storage capacity 40 litres vi)filtration stages a) sediment filter, b) active carbon filter. c) reverse osmosis) filter (400gpd), d) ultraviolet disinfection (uv).vii) refrigerant type: r134a.viii)mounting type: free-standing with s s standix) rated voltage: - 230v ± 10% 1-phase, 50hz acx) lockable cover of all the openings i.e. storage tank, front & back panel. , supply, installation, testing and commissioning of iron remover suitable for ro based water cooler cum water purifier units having capacity of 200 lph and user friendly backwash valve etc.as per following specification including all fixing arrangement with existing water line as per site requirement or directed by eic.i) elements removable: iron removalii) rated discharge capacity - nominal (litres/hr): 200iii) operation of backwash required to remove the accumulated sludge.iv) iron removal technology: catalytic oxidation and filtrationv) material of iron removal vessel: frp , operation and day to day maintenance of existing ro+uv based integrated water cooler cum purifiers as mentioned in sl. no. 01 & 02 in addition to the existing 05 nos. of water cooler and purifier by providing required manpower, consumables, spares as per technical specification & special condition of contract (scc) & as per direction of eic including all consumables.i) skilled 1 , taking drinking water s les from water cooler cum purifiers as installed including the existing ones at aaiclas premises and getting the microbiological and chemical testing of the s les from nabl accrediated laboratory and submission of the report on monthly basis etc as required. , supply and installation, testing and commissioning of high wall 5star inverter type nominal cooling capacity of 5300w / 6200w split air conditioners complete with indoor unit (idu), out door unit (odu), surface / concealed copper refrigerant piping with insulation (nitrile rubber tubular pipe section & pvc self-adhesive tape) upto 3.5 mtr (idu to odu), copper power cable upto 3.5 mtr (idu to odu) i/c drain braided pipe upto 3.5 mtr. r-32/r-410 green refrigerant, with wireless remote handset, suitable for working between 180-260v with low & high voltage cutoff and 50 hz ,1 phase ac supply capable of performing cooling, air circulation with rotary compressor. the system shall be able to operate up to 50 degree celsius (out door ambient temperature). min 5-year original equipment manufacturer (oem) warranty both compressor and printed circuit board (pcb). complete as per technical specification. , supply and fixing of wall mounted adjustable type ac outdoor mounting mettallic bracket of suitable size as per site requirement etc. for installation of outdoor units as per oem recommendation and as per direction of engineer-in-charge.vide boq items no (5a) & 5(b) , supply and fixing of extra copper refrigerant piping including as required with complete insulation, nitrile rubber tubular pipe section & pvc self adhesive tape and control cable with suitable cl ing arrgement as directed by engineer-in-charge. , supply and laying of 25 mm nominal dia meter pvc pipe with suitable cl arrangement for drainage of condensate water from indoor units to the nearest drain-port as directed by engineer-in-charge. vide boq items no (5a) & 5(b)