Directorate Of Urban Local Bodies Tender

Construction of Brick Masonary rectangular manhole chamber as per detailed specification up to invert depth 1.20 mtr to 1.49 mtr having 1200mmX 900mm internal diamansions including required excavation of earth soil and kankar etc. disposing of surplus excavation of earth in all types of soil such as murrum, sand, sandy-silt, black cotton soil and kankar etc. disposing of surplus excavated material with in a lead of 50 mtr. the work includes laying of 22.5 cm thick plain cement concrete 1:4:8 ( 1 cement : 4 coarse sand : 8 graded stone agggregate 20 mm nominal size) in 1900mmX1600 mm bedding in foundation ,construction of brick masonary wall 230 mm thick in cement mortor 1:5 , laying of plain cement concrete 1:2:4 ( 1 cement : 2 coarse sand : 4 graded stone agggregate 20 mm nominal size) in channel, 12 mm thick plaster in CM 1:4 on inner face of chamber , finishing of channel and wall with neat cement punning and 15 mm thick plaster on rough side in CM 1:6 on outter face of chamber in full depth , 18 cm thick RCC roof including Sand F of SFRC EHD MARKED WITH IS: 12592 manhole cover with clear opening 560 mm diameter.