Laying of pipeline from Shiv Mandir to Gujjar Chowk in H-Block street No. 16 (Regd. No. 359-A) to ease the water logging issue in Sangam Vihar Constituency AC-49. (Part-1)

Confined Excavation of Shafts for pipe jacking/ramming purpose in soil inclusive of H Beam Strutting with MS Plate/Cubical wooden laggings and maintaining the shaft during construction operation and backfilling the same after the completion of work. For shaft of 6mx5m upto a depth of 5m in all type of soil mixed with hard rock

Extra for each additional metre beyond 5m depth in all type of soil mixed with hard rock

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 Rocks

Providing at site NP4 Class RCC pipe HDPE lining (3mm thick) (Heavy Duty) having steel collar joint with rubber ring complete ISI marked as per IS-458-2003 (for trenchless works) 1000mm internal diametre

Constructing brick masonry circular manhole 1.52 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