tender for repair and maintenance of ro plant at rajeevgandhi nagar in ward no.17; 1 supplying and erecting in position of 1000 liters capacity industrial model reverse osmosis water-cum-purifier to deliver potable water with world health organisation ( who ) standards with following accessories. ( a ) ms skid - 1 no. ( b ) media 11054 no. vessel with 20 nb multiport valve ( with media pubble and fine sand and activated carbon filling ) set ( c ) feed pump 0.50 hp – 1 no. ( d ) vertical pump 2-9, 2.00 hp / single phase – 1 no. ( e ) membrane 40 x 40 filmtech ( or ) equilaents / osmonic ( usa ) - 1 no. and membrane pressure vessel 40 x 40 -1 no. & pressure gauge - 2 nos. ( f ) flow meter - 1 no. 20” filter with housing - 1 no., low pressure switch - 1 no., level switch - 1 no. & necessary cpvc pipes and fittings.the system shall be provide with two panel control system with necessary stainless valves and fittings and float control etc. the rate should be inclusive of all civil works, wherever necessary to install the system in position and intact. 2 supply and delivery and fixing of 2000 litres capacity hdpe tank as per is 12701 / 1996 including loading, unloading, transportation and labour charges for fixing of the gi pipes and specials for pipe connection works including cutting, threading and fixing charges etc., 3 fabricating, supplying and fixing of pre painted galvanized iron sheets with the following specification.the materials should be of ppgi tile profile with red colour or any other approved design 0.47mm thick 24 gauge having width 1050mm.the sheet should be gi base pre painted hot dipped valvanized iron sheet and to be fixed with shelf tapping screws, plastic washer.the washer and screws to be fixed by using mute power machine drilled with out damaging the sheets paint coating to be regular modified polyster coat with zinc coating of z120 gsm paint thickness the finish should be terra cotta finish like malabar mangalore tiles finish optional matt finish .the sheet to be fixed with making suitable corrugated, cutting the sheet in to the required size and making ornamental designs as per the site condition and as directed by the departmental officers 4 supplying, fabricating, erecting structural steel work for roofing welding or bolted type using ms channels, angles, plates and round bars etc conforming to is specification including primer coating and enamel painting as per design given by the departmental officers etc, complete as per standard specification