Directorate Of Urban Local Bodies Tender

[21.89.3.1]Construction of rectangular standard brick masonry manhole chambers to standard drawings on new. egg-shaped sewers up to the required depth in 1:5 cement sand mortar, lime concrete 40 percent lime mortar with 19-20 mm gauge brick ballast in haunches above the arch ring where the depth of cover in traffic streets is less than 1.5 metres, 12mm thick water tight 1:2 cement sand plaster with a floating coat of neat cement and finished with two coats of sodium silicate on interior surface where required, reinforced cement concrete slab 180mm thick fixing 560 mm internal diameter C.I. manhole frame and cover weight not less than 2.5 quintal painted with 3 coats of black bitumen paint, fixing galvanised malleable iron steps embedded in 1:2 cement sand mortar etc., complete. the rate also covers the cost of M.S. steel for R.C.C. slab labour for fixing and carriage of C.I. manhole frame and cover and malleable iron steps from the stores of the engineer-in-charge of the works to site of works. The rate further includes cost of accurately planned and fitted centring, supports for all works, as well as for all curves and specials work cleaning out their beds, etc. sodium silicate shall be supplied free of cost at the stores of Engineer-in-charge. 3.1. On egg-shaped sewers of size 1020mm X 1530 mm or above - for 3.70 meters depth below ground level [Through Rate]

[22.170.3]Providing and laying Non Pressure NP-4 class (Heavy duty) R.C.C. pipes including collars/spigot jointed with stiff mixture of cement mortar in the proportion of 1:2 (1 cement : 2 fine sand) including testing of joints etc. complete 3. 900 mm dia RCC pipes. [Through Rate]

[3.1.2]By Mechanical Transport including loading, unloading and stacking 2. Earth [3km]