T/M of SW Drains in R-I Division during 2025-26

Cutting bituminous premixed carpet excluding the water bound macadam and disposal of dismantled unserviceable material with in 50 metre lead

Cutting water bound Macadam road surface including screening sorting and stacking of serviceable material and disposal of unserviceable material within 50 metre lead.

Dismantling of precast CC/RCC slab flooring laid in cement mortar including stacking/placing of serviceable material and disposal of unserviceable material within 50 meter lead.

Dismantling stone slab flooring laid in cement mortar including stacking of serviceable material and disposal of unserviceable material within 50 metres lead.

Dismantling of manhole including R.C.C. top slab, C.I. cover with frame, including stacking of useful materials near the site and disposal of unserviceable materials within 50 m lead as per direction of Engineer- charge (a) Rectangular manhole 120x90 cm and 90 cm deep

Extra for depth of manholes dismantled : Rectangular manhole 120x90 cm and beyond 90 cm depth

Demolishing cement concrete manually/ by mechanical means including disposal of material within 50 metres lead as per direction of Engineer - in - charge. (a) Nominal concrete 1:4:8 or leaner mix (i/c equivalent design mix)

(b) Nominal concrete 1:3:6 or richer mix (i/c equivalent design mix)

Taking out existing CC interlocking paver blocks from footpath/ central verge, including removal of rubbish etc., disposal of unserviceable material to the dumping ground, for which payment shall be made separately and stacking of serviceable material within 50 metre lead as per direction of Engineer-in-Charge.

Earth work in excavation by mechanical means (Hydraulic excavator) / manual means in foundation trenches or drains (not exceeding 1.5 m in width or 10 sqm on plan), including dressing of sides and ramming of bottoms, lift upto 1.5 m, including getting out the excavated soil and disposal of surplus excavated soil as directed, within a lead of 50 m. All kinds of soil

Taking out existing kerb stones of all types from footpath/ central verge, including removal of mortar etc., disposal of unserviceable material to the dumping ground, for which payment shall be made separately and stacking of serviceable material within 50 metre lead as per direction of Engineer-in-Charge.

Dismantling & taking out old RCC pipes from excavated trenches with the help of chain pulley block/labour including breaking of joints, cleaning of pipes silt & stacking of serviceable material & disposal of unserviceable material within a lead of 50 meter lead. a) 150 mm to 300 mm dia RCC pipe

Laying non pressure NP-2 class (light duty) old RCC pipes with collars jointed with staff mixture of cement mortar in the proportion 1:2 (1 cement : 2 fine sand) excluding testing of joints etc. complete( RCC pipe shall be provided free of cost at site by the department and colour will be arranged by the contractor) a) 250 mm dia RCC pipe

Providing and laying non-pressure NP2 class (light duty) R.C.C. pipes with collars jointed with stiff mixture of cement mortar in the proportion of 1:2 (1 cement : 2 fine sand) including testing of joints etc. complete : (a) 250 mm dia. R.C.C. pipe

(b) 300mm dia. RCC Pipe

Constructing brick masonry Bell mouth silt chamber type with FPS bricks of class designation 7.5 in cement mortar 1:4 (1 cement : 4coarse sand ) inside size 45x50x65cm deep channel side wall to be 50cm deep below channel level over which 3 Nos precast cement concrete cube of size 15x15x15cm should be fixed to from opening as bell mouth under the SFRC manhole cover and frame of size 550x450mm inside opening with one edge rounded off to match the profile of cement concrete kerb stone including providing and laying bed concrete 15cm thick 1:4:8 (1 cement :4 coarse sand :8 graded stone aggregate 40mm nominal size) and 50mm thick 1:2:4(1cement :2 coarse sand :4 graded stone aggregate 20mm nominal size) 12mm thick cement plaster side the chamber with cement mortar 1:3 (1 cement : 3 coarse sand ) finished with a floating coat of neat cement complete up to entire satisfaction of Engineer-in-charge( including necessary excavation in foundation and refilling etc complete including disposal of earth building rubbish.

Constructing brick masonary circular road gully chamber of 560mm internal dia and depth 60cm with FPS bricks of class designation 7.5 in cement mortar 1:4 (1 cement : 4 coarse sand ) over a bed of cement concrete 15 cm thick and 115 dia of cement concrete 1:5:10 (1 cement :5 coarse sand : 10 graded stone aggregate 40mm nominal size) inside cement plaster of 12mm thick with cement mortar 1:3 (1 cement :3 coarse sand ) finished with a floating coat of neat cement on walls and floors including providing and fixing of SFRC gully grating cover and frame (560mm internal dia and 840 mm external dia and 130 mm thick) confirming to specification of SFRC cover and frame to I.S: 12592 part-I & II with upto date amendment in 150mm thick cc 1:2:4 ( 1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size ) complete as per direction and satisfaction of Engineer in charge.

Constructing brick masonry road gully chamber 50x45x60 cm with bricks in cement mortar 1:4 (1 cement : 4 coarse sand) including 500x450 mm pre-cast R.C.C. horizontal grating with frame complete as per standard design :(A) With common burnt clay F.P.S. (non modular) bricks of class designation 7.5

Constructing brick masonry manhole ( silt chamber type) of size 120X90X120 cm deep with FPS bricks of class designation 7.5 in cement mortar 1:4( 1 Cement : 4 coarse sand) 15 cm thick RCC top slab with 500mm dia opening with cement concrete 1:2:4 ( 1 cement :2 coarse sand : 4 graded stone aggregate 20mm nominal size) reinforced with a 18.92 Kg/each TMT bars, 20 cm foundation cement concrete 1:4:8 ( 1 cement :4 coarse sand : 8 graded stone aggregate 40 mm nominal size) inside plaster 12mm thick with cement mortar 1:3 ( 1 cement : 3 coarse sand ) finished with a floating coat of neat cement and providing 50mm thick cement concrete of 1:2:4 ( 1 cement :2 coarse sand : 4 graded stone aggregate 20mm nominal size ) with neat cement punning inside the manhole complete as per standard design difference of 30cm shall be kept between invert level of pipe and manhole bottom excluding the cost of SFRC manhole cover and frame 500mm dia which be paid separately. Depth shall be measured from bottom of manhole to top of RCC slab.

Providing and fixing in position pre-cast R.C.C. manhole cover and frame of required shape and approved quality. (a) M D - 10 Circular shape 500 mm internal diameter

Filling available excavated earth (excluding rock) in trenches, plinth, sides of foundations etc. in layers not exceeding 20cm in depth, consolidating each deposited layer by ramming and watering, lead up to 50 m and lift upto 1.5 m.

Providing & Laying in footpath and pavement etc. factory made precast concrete slab of size 400X400X50 mm of mix M-30 grade manufactured at an appropriate plant by compacting concrete in jointless steel mould in two stages of vibration & commission table and finished smooth as per shape, size and pattern over a base of 12 mm thick (average) cement mortar 1:5 (1 cement:5 coarse sand) and having joints not exceeding more than 10 mm thick (average) in cement mortar 1:5 (1 cement:5 coarse sand) neatly finished etc. complete as per direction and instruction of Engineer-in-charge (nothing extra shall be paid to the contractor by laying, slabs in approved pattern and using precast slabs of required shape at the end of footpath.)

Relaying in footpath and pavement etc factory made precast concrete slab of size 400X400X50 mm finished smooth as per the shape, size and pattern over a base of 12 mm thick (average) cement mortar 1:5 (1 cement:5 coarse sand) & having joints not exceeding more than 10 mm thick (avg.) in cement mortar 1:5 (1 cement : 5coarse sand) neatly finished etc. complete as per direction and instruction of Engineer-in-charge (nothing extra shall be paid to the contractor for laying, slabs in approved pattern and using precast slabs of required shape at the end of footpath.)

40 mm thick fine dressed stone flooring over 20 mm (average) thick base of cement mortar 1:5 (1 cement : 5 coarse sand) with joints finished flush.(a) Red sand stone

Laying 40 mm thick fine dressed sand stone flooring over 20 mm (average) thick base of cement mortar 1:5 (1 cement : 5 coarse sand) including pointing with cement mortar 1:2 (1 cement: 2 stone dust) with an admixture of pigment to match the shade of stone.(Sand stone shall be provided free of cost at site) a)Sand stone (Red/White)

Laying at or near ground level old kerb stones of all types in position to the required line, level and curvature, jointed with cement mortar 1:3 (1 cement : 3 coarse sand), including making joints with or without grooves (thickness of joints, except at sharp curve, shall not be more than 5 mm), including making drainage opening wherever required etc. complete as per direction of Engineer-in-charge. (Length of finished kerb edging shall be measured for payment). (Old kerb stones shall be supplied by the department free of cost)

Providing and laying at or near ground level factory made kerb stone of M-25 grade cement concrete in position to the required line, level and curvature, jointed with cement mortar 1:3 (1 cement: 3 coarse sand), including making joints with or without grooves (thickness of joints except at sharp curve shall not to more than 5mm), including making drainage opening wherever required complete etc. as per direction of Engineer-in-charge (length of finished kerb edging shall be measured for payment). (Precast C.C. kerb stone shall be approved by Engineer-in-charge).

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shutting all work Up to plinth level. (a)1:5:10 ( 1 Cement: 5 coarse sand Manufacture sand upto 100%): 10 graded stone aggregate 20mm nominal size (Recycled aggregate upto 100%)

(b) 1:2:4 (1 cement : 2 coarse sand (zone-III) RCA upto 25% : 4 graded stone aggregate 20 mm nominal size) including Recycles concrete aggregate including manufactured sand desired from Recycled concrete aggregate RCA upto 25%

Making connection of drain or sewer line with existing manhole including breaking into and making good the walls, floors with cement concrete 1:2:4 mix (1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size) cement plastered on both sides with cement mortar 1:3 (1 cement : 3 coarse sand), finished with a floating coat of neat cement and making necessary channels for the drain etc. complete :(a) For pipes 250 to 300 mm diameter.

Laying old cement cocrete interlocking paver blocks of any design/ shape laid in required line, level, curvature, colour and pattern over and including 50 mm thick compacted bed of coarse sand, filling the joints with fine sand etc. all complete as per the direction of Engineerin-charge. (Old CC paver blocks shall be supplied by the department free of cost).

Raising manhole cover and frame slab to required level including dismantling existing slab and making good the damage as required (Raising depth of manhole to be paid separately) : Rectangular manhole 120x90 cm with circular cover 500 mm dia of grade MD - 10

Extra for depth of manholes: size 120x90cm (a) With common burnt clay F.P.S. (non modular) bricks of class designation 7.5

Disposal of building rubbish / malba / similar unserviceable, dismantled or waste materials by mechanical means, including loading, transporting, unloading to approved municipal dumping ground or as approved by Engineer-in-charge, beyond 50 m initial lead, for all leads including all lifts involved.

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