O/M of MSPS/SPS and sewer line along Expressway (C/o Damaged Manhole, chambers and related work in Green Belt RHS along Noida Gr. Noida Expressway) Noida (For Two Year)

Brick work with common burnt clay F.P.S. (non modular) bricks of class designation 150 in superstructure above plinth level up to floor V level in all shapes and sizes in : Cement mortar 1:4 (1 cement : 4 coarse sand)

12 mm cement plaster of mix : 1:4 (1 cement: 4 coarse sand)

Neat cement punning.

Providing and fixing in position pre-cast R.C.C. manhole cover and frame of required shape and approved quality Circular shape 560 mm internal dia

Carting and fixing in position pre-cast RCC manhole cover and frame : of rewuired shape and approved quality HD-20 Circular shape 560 mm internal diameter. (Old Cover Frame avgailable at site)

Providing orange colour safety foot rest of minimum 6 mm thick plastic encapsulated as per IS : 10910, on 12 mm dia steel bar conforming to IS: 1786, having minimum cross section as 23 mmx25 mm and over all minimum length 263 mm and width as 165 mm with minimum 112 mm space between protruded legs having 2 mm tread on top surface by ribbing or chequering besides necessary and adequate anchoring projections on tail length on 138 mm as per standard drawing and suitable to with stand the bend test and chemical resistance test as per specifications and having manufacture's permanent identification mark to be visible even after fixing, including fixing in manholes with 30x20x15 cm cement concrete block 1:3:6 (1 cement : 3 coarse sand : 6 graded stone aggregate 20 mm nominal size) complete as per design.

Taking out C.I. cover with frame from RCC top slab of manholes of various sizes including demolishing of RCC work manually/ by mechanical means and staking of useful materials near the site and disposal of unserviceable materials within 50 metres lead as per direction of Engineer-in-charge.

Constructing brick masonry circular manhole 1.52 m internal dia atbottom and 0.56 m dia at top in cement mortar 1:4 (1 cement : 4coarse sand) inside cement plaster 12 mm thick with cement mortar1:3 (1 cement : 3 coarse sand) finished with a floating coat of neat cement, foundation concrete 1:3:6 (1 cement : 3 coarse sand : 6graded 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 atthe external surface shall be paid for separately) : With Sewer bricks conforming IS : 4885

Extra depth for circular type manhole 1.52 m internal dia (at bottom) beyond 2.30 m : : With Sewer bricks conforming IS : 4885

Dewatering pump 10 HP (Both side of Underpass) upto completion of underpass work Assume