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| 1 | Providing and erection of scaffoiding and shuttering material like challi, gurra,nail,bans, Balla,patra etc.required for complete of work on all surgace area of OHT from top dome to G.L.so as to give strong and safe plateform to workers to work on all part of OHT for repair and strengthning as per direction of engineer in-charge. |
| 2 | cleaning of exposed concrete surface of loosa and foreign materiald by means of sand blasting with coarse sand and including cleaning with all blast upto a height of 18M above plinth level.a. Column (length=3.14*0.5=1.57m)b. Bottom Dome(Length=2*3.14*4.25=26.69m)c. Cylendrical Wall(Length=2*3.14*5.5=34.54m) |
| 3 | Provide semi cercular drain of 150mm dia all around the O.H.T.flooring consisting of cement concrete with 20mm gauge approved stone gricoarse sand. Cement in proporation of 1:2:4 including supply of all material,labour,T&P etc. required for proper completon of thr work as per direction and satisfaction of Engineer Incharge. |
| 4 | supply and fixid ventilator jall at O>H>T> including repairing of the ventilator and fixing the same property including supply of all material,labour.T&P etc. required for proper comptetion of the work. |
| 5 | Supply and fixing of fabricated M.S. angle Iron ladder consisting of 50x 50x6mm angle iron and 20mm dia plain M.S. bar of 45cm wide for a required length and painted with anti corrosive paint and fixing the same in the tank body including supply of all materials, labour, T&P etc.required for proper comptetion of the work as per direction of Engineer inchrge. |
| 6 | supply and fixing of 20mm dia medium quility of G.I. pipe reiling with M.S. bar angle iron post of section 50*50*6mm and 1.00 height including grouting the angle Iron post property and fixig the pipe railing including supply of all meterial, labour, T&P etc. required for proper comptetion of the work as per direction of Engneer Incharge.a. New Pipe Ralling 3/4\\"(20mm) dia medium quility |
| 7 | b. M.S. Iron for single row post 50x50x6x1.00m height |
| 8 | Supply and fixing of following devices of the O.H.T. including cutting of hole for cleate to fix the same propertyand including supply of all material. Labour,T&P etc. and fixing the appliance in the cleas with screw or nales etc.a. Water leve indicator complete with marked scale. |
| 9 | b. Lightening Conductor. |
| 10 | Injection grouting in vertical surface/wall placing and fixing nozzle by drilling machine in tank wall having minimum dia of nozzle 15mm and provide on a regular Interval not exceeding 1mm including contruction joints. Injection of pidicrete AM(Ploymer based on shrinkage high strength grout) admixed with cement throuh nozle under pressure by sump @ 250gms per bag of cement sealing the nozzle after frounting with Ploymar product mixed with cement, making tank body in working and seapsge free condition. |
| 11 | Painting the Iron work in small area with one coat of anti corrosive primer coat and two coat of approved enamel paint including supply of all materal, labour, T&P etc. required for proper completion of work as per satisfaction of Engneer incharge.(i) Railing of stair case and balcony with iron post and two raws of G.I. pipe 20mm dia |
| 12 | (ii) Painting with approved quality Black Japan paint, inlet, outlet, washout pipe, over flow, pipe 100mm dia to 350mm dia. |
| 13 | painting of outer surface of OHT with wheather proof paint (like apex etc.) as per direction of engneer in-charge. |
| 14 | construction of masanry type chamber for Sluice Valve with R.C.C. Cover. Please Enable Macros to View BoQ information |
