Laying of NP-4 1000mm pipeline by Trenchless Micro Tunneling Technique for Storm Water Drainage from Hamdrad School to Shiv Mandir in H-Block Street No.16 (Regd. No. 359-A) to ease the water logging issue in Sangam Vihar Constituency AC-49.

Installation of product pipe by Micro Tunneling method including concrete structural shaft of sheet piles/RCC retaining walls/well sinking/secant piling as par respective site requirements. (upto 100 meter of installation length and 5m depth) all inclusive as per IndSTT: 102-2018; Code of Practice for Micro Tunneling for slurry based microtunneling suitable for steel/RCC jacking pipes suiting indian condition. Above 1200mm & upto 1500mm OD Mixed Starta

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 1000 mm dia RCC pipes. (Laying by manual/ machanical means)

Constructing brick masonry circular manhole 1.22 m internal dia at bottom and 0.56 m dia at top in cement mortar 1:4 (1 cement :4 coarse sand) inside cement plaster 12 mm thick with cement mortar 1:3 (1 cement : 3 coarse sand) finished with a floating coat of neat cement foundation concrete 1:3:6 (1 cement : 3 coarse sand : 6 graded stone aggregate 40 mm nominal size) and making necessary channel in cement concrete 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size) finished with a floating coat of neat cement, all complete as per standard design : 2.30 m deep with SFRC Cover and frame (heavy duty HD- 20 grade designation) 560 mm internal diameter conforming to I.S. 12592, total weight of cover and frame to be not less than 182 kg. fixed in cement concrete 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size) including centering, shuttering all complete. (Excavation, foot rests and 12 mm thick cement plaster at the external surface shall be paid for separately) : With common burnt clay F.P.S. (non modular) bricks of class designation 7.5

Extra depth for circular type manhole 1.52 m internal dia (at bottom) beyond 2.30 m : With common burnt clay F.P.S. (non modular) bricks of class designation 7.5

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