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| 1 | Taken out of entire mixed media from 2 nosshells 1.50 Mtr dia x 1.50 Mtr. Height and activated carbon from 2 nos shells 1.2 Mtr dia x 2.40 Mtr. Height Nos. By specially skilled labours. |
| 2 | Taken out of exhausted strainers from base plate of existing filters -Total 625 Nos. Specially skilled labours |
| 3 | Cleaning of 2 nos. Pr. Filter shell & 2 nos AC Filter inside weap cottonwools etc.and water flushing. |
| 4 | Removing of old paint & primer of synthetic enamel base from outside by using chemicals, properly rubbed so as that the surface is ready for primer & paint by providing skilled labours. |
| 5 | Removing of old paint & primer from inside by using chemicals, properly rubbed so as that the surface is ready for primer & paint by providing skilled labours. |
| 6 | Chemical like acid, caustic soda, other required chemical which effect only on paints. |
| 7 | Painting inside two coats with black bitumen non toxic paint. |
| 8 | Priming one coat on steel or other metal surface with sysnthetic oil base Primer of approved quality including smoothening surface by sand papering etc.(outside only) |
| 9 | Synthetic enamel paint 2 coats on the outside surface of 4 nos filters. |
| 10 | Supply & fixing of damaged /broken PVC Make strainers- according to the replaced as actual. |
| 11 | Supply & Filling of Barakar Sand in 2 nos Pressure Filter shells with effective between 0.45 to 0.70 mm and unifirmity co-efficient between 1.30 to 1.7, sp.gravity in the range of 2.55 to 2.65 |
| 12 | Supply & Filling of gravel of size 20 mm to 30 mm |
| 13 | Supply & Filling of activated Carbon in 2 nos existing Activated Carbon Filter shells |
| 14 | Supply and Installation of Pressure Gauge for 4 nos Filters. |
| 15 | Supplying, fitting and fixing gunmetal wheel valve of approved brand and make tested to 21 kg per sq. cm.(for water lines only).A) 25 mm dia |
| 16 | Supplying, fitting and fixing G.I Pipes of TΑΤΑ make with all necessary accessories, specials viz. Socket, bend, tee, union, cross, elow, nipple, longscrew, reducing socket, reducing tee, short piece etc. Fitted with holter bats clamps, including cutting pipes, making threads, fitting, fixing etc. all complete in all respect including cost of all necessary fittings as required, jointing materials and two coats of painting with approved paint in any position above ground. (Payment will be made on the centre line measurements of total pipeline including all specials. No seperate payment will be made for accessories, specials. Payment for painting will be made seperately.)25 mm dia medium quality |
| 17 | Welding at Site by hiring welding machine, welder, welding rod etc. (Continous weld) |
| 18 | Supply and Installation of Sluice Valve/ Butterfly Valve (Rising main)80 mm |
| 19 | Supplying bolts with nuts matching with different dia CI detachable joint as per IS: 8794-1988 with latest amendment 10 to 25 mm dia |
| 20 | Supply & Fixing of Rubber gasket 1 m x 1m roll. Please Enable Macros to View BoQ information |
