NIT NO. 03, ITEM NO. 04 (2025-26)/WW-III

Cleaning of underground sump. Overhead R.C.C. Tank (independent staging) including disposal of slit and rubbish, all as per direction of Engineer-In-Charge. The cleaning shall consist following operations :-(i)Tank shall be emptied of water by pumping & bottom shall be cleaned of silt and other deposits. (ii)Entire surface area of the sump shall than scrubbed thoroughly with wire brush etc and pressure washed with water.(iii)Chlorination of RCC Internal surface by liquid chlorine. (iv)The treated surface shall be dried using air jetting and all loose particles shall be removal from the surface.(v)Finally the surface shall be treated with ultraviolet radiation etc, as per direction of Engineer-in-charge. (DSR 2021-Item no. 14.78) 0.2 MG UGR Lenght= 29 mtr Width=14 mtr Hight / depth=3 mtr 29 x 14 x 2 = 812 Sqm 29 x 3 x 2 = 174 Sqm 14 x 3 x 2 = 84 Sqm Total 1070 Sqm 5 MG UGR Lenght= 105 mtr Width=49 mtr Hight / depth=5 mtr 105 x 49 x 2 = 10290 Sqm 105 x 5 x 2 = 1050 Sqm 49 x 5 x 2 = 490 Sqm Total 11830 Sqm 7 MG UGR Lenght= 108 mtr Width=61 mtr Hight / depth=6 mtr 108 x 61 x 2 = 13176 Sqm 108 x 6 x 2 = 1296 Sqm 61 x 6 x 2 = 732 Sqm Total 15204 Sqm 2.4 MG UGR Lenght= 61 mtr Width=40 mtr Hight / depth=5 mtr 61 x 40 x 2 = 4880 Sqm 61 x 5 x 2 = 610 Sqm 40 x 5 x 2 = 400 Sqm Total 5890 Sqm Grand Total 33994 Sqm

AVINAV TRADERS (BID ID -1594952)