Public Health Engineering Department Tender

Providing and installation of 100 mm x 40 mm dia. tubewell with water jet system with supply and instalation of all PVC pipes and strainers of approved make (medium duty) conforming to ASTMD - 1785 with all necessary accessories, specials with adapter conforming to IS : 12818 of adequate length, with supply of all pipes, strainers and other materials (steel cutter piece, plug, reducer, housing clamp of M.S. Plate etc.), labours, carriage, collection of tube well water and performing bacteriological and chemical tests (including Arsenic test) all complete as per direction of the Engineer-in-charge. (Total depth of tubewell - 200.0 m; 100 mm dia. Housing pipe - 45 m; 40 mm dia. Well pipe - 147.8 m; 40 mm dia. Strainer - 7.2 m.). NOTE: i) Deduction @ Rs. 492 per m has to be made for depth of Tube Well less than 200 m up but not less than 150 m i) Deduction of Rs. 24,600 and additionally @Rs. 425 per meter has to be made for depth of tubewell less than 150 m). (Concidered for 2 Nos out of 31 Nos CWPP)

Supplying, installation, commissioning and trial run (for 3 months) of Water Treatment unit for removal of Iron and Arsenic below permissible limit as per IS: 10500-2012 including supply of all required media (vessels design, inside outside painting with best quality synthetic enamel paint of approved make, all necessary 25 mm dia G.I. Pipeline (medium duty), valves, 3 bib cocks fitted after each treatment unit to collectwater sample for testing meters and making arrangement of connection with existing pipelineas per specificationand drawing and direction of the EIC.Quantity / volume of all media are mentioned in the departmental drawingand to be followed strictly. Treatment units size: 1. Oxidation chamber : 350 mm dia x 1200 mm depth (1 No.) 2. Pre Filtration unit : 350 mm dia x 1200 mm depth (1 No.) 3. Arsenic treatment unit : 350 mm dia x 1200 mm depth + 250 mm dia x 1200 mm depth 4. Backwash Chember : 500 mm dia x 1200 mm depth (1 No.) 5. UV treatment unit of adequate capacity Adsoption capacity of Arsenic media should not be less than 45 g Arsenic per Kg of Arsenic Media (dry weight) and must have certificate from CSIR / IIT of other Government reputable Instructions. Imported media must have NSF certification in addition to the above certificate. (Considered for 17 Nos out of 31 Nos CWPP)

Supply, installation of 5000 Lit Raw water tank and 2000 Lit treated water tank on structure (as shown in drawing) (Considered for 9 Nos out of 31 Nos CWPP)