Details: 21.93.1) providing and fixing sfrc manhole covers and frames marked with is: 12592 including setting the same to correct lines and levels in 1:3 cement sand mortar over manhole including carriage loading unloading stacking handling re-handling etc. complete in all respects to the satisfaction to the engineer-in-charge.type:- extra heavy duty set (ehd-35) 560mm clear opening 6.39.1) providing and fixing at or near ground level precast cement concrete in kerbs, edgings etc. as per approved pattern and setting in position with cement mortar 1:3 (1 cement : 3 coarse sand), including the cost of required centering, shuttering complete.1:1½:3 (1 cement: 1½ coarse sand(zone-iii) : 3 graded stone aggregate 20 mm nominal size). 17.14.3) granular sub-base with close graded material - (table:- 400-1) plant mix method construction of granular sub-base by providing material as per grading iii (table 400-i of mortandh 5th revision) mixing in a mechanical mix plant at omc, carriage of mixed material
Sector: Urban Authority