Construction work of laying storm water line from Rudra Height to Narokhar drain via Akatha village under the Legislative Assembly North Under the Infrastructure Fund in District Varanasi.

Excavation for following depth below ground level for laying of sewers, manholes, gulley pits, sumps etc. in ordinary soil including cutting of joints pits, triming, dressing, leveling, refilling of trenches in 20 cm layer & of and watering and ramming the fame including removal of surpluse eath or upto a distance of 50 m as per E/IOrdinary Soil

0.00 - 1.50m depth

0.15 - 3.00m depth

Close timbering in trenches. (0.00 - 3.00m depth)

Cement concrete with 40 mm gauge approved stone ballast, coarse sand and cement in the proportion of 8:4:1 including supply of all materials, labour, T&P etc. required for orooer comoletion of the work. Same as above but 1.5-3.0 m BGL

Providing Non Pressure NP-3 class (Medium duty) R.C.C. pipes.

250mm dia RCC Pipes

350mm dia RCC Pipes

400mm dia RCC Pipes

500 mm dia RCC Pipes

600 mm dia RCC Pipes

700 mm dia RCC Pipes

800 mm dia RCC Pipes

900 mm dia RCC Pipes

Cartage of 250 to 800 mm dia RCC hume pipe NP3 class and specials from store to the site of work. laying of the same pipe in to the trenches in depth up to 1.5 to 3.00 m below the ground level, true to alignment chocking the point laying sewer pipe with rubber ring and Jointing materials including excavation of the below invert level of pipe and testing of laid pipe line complete excluding the cost of excavation of earth and refilling of trenches from ground level to invert level of pipe.

250mm dia RCC Pipes (1.5 to 3.00 depth)

350mm dia RCC Pipes

400mm dia RCC Pipes

500 mm dia RCC Pipes

600 mm dia RCC Pipes

700 mm dia RCC Pipes

800 mm dia RCC Pipes

900 mm dia RCC Pipes

Constructing brick masonry manhole in cement mortar 1:4 ( 1 cement : 4 coarse sand ) with R.C.C. top slab with 1:1.5:3 mix (1 cement : 1.5 coarse sand (zone-III) : 3 graded stone aggregate 20 mm nominal size), foundation concrete 1:4:8 mix (1 cement : 4 coarse sand (zone-III) : 8 graded stone aggregate 40 mm nominal size), inside plastering 12 mm thick with cement mortar 1:3 (1 cement : 3 coarse sand) finished with floating coat of neat cement and making channels 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 complete as per standard design : Inside size 150x90 cm and 90 cm deep including C.I. cover with frame (heavy duty) 1200x900 mm internal, total weight of cover and frame to be not less than 500 kg (weight of cover 200 kg and weight of frame 300 kg) : With common burnt clay F.P.S. (non modular) bricks of class designation 7.5

Constructing brick masonry manhole in cement mortar 1:4 ( 1 cement : 4 coarse sand ) with R.C.C. top slab with 1:1.5:3 mix (1 cement : 1.5 coarse sand (zone-III) : 3 graded stone aggregate 20 mm nominal size), foundation concrete 1:4:8 mix (1 cement : 4 coarse sand (zone-III) : 8 graded stone aggregate 40 mm nominal size), inside plastering 12 mm thick with cement mortar 1:3 (1 cement : 3 coarse sand) finished with floating coat of neat cement and making channels 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 complete as per standard design :Inside size 150x90 cm and 165 cm deep including C.I. cover with frame (heavy duty) 1200x900 mm internal, total weight of cover and frame to be not less than 500 kg (weight of cover 200 kg and weight of frame 300 kg) : With common burnt clay F.P.S. (non modular) bricks of class designation 7.5

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.

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 and for all lift.

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 : With common burnt clay F.P.S. (non modular) bricks of class designation 7.5

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 :

100 mm dia. R.C.C. pipe

150 mm dia. R.C.C. pipe

Taking out existing Cement Concrete 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.

Preparation and consolidation of sub grade with power road roller of 8 to 12 tonne capacity after excavating earth to an average of 22.5 cm depth, dressing to camber and consolidating with road roller including making good the undulations etc. and re-rolling the sub grade and disposal of surplus earthwith lead upto 50 metres.

Construction of granular sub-base by providing close graded Material, mixing in a mechanical mix plant at OMC, carriage of mixed material to work site, for all leads & lifts, spreading in uniform layers with motor grader on prepared surface and compacting with vibratory power roller to achieve the desired density, complete as per clause 401For Grade-I Material (size range 53 mm to 4.75 mm )

Providing and laying design mix cement concrete of M-30 grade, in roads/ taxi tracks/ runways, using cement content as per design mix, using coarse sand and graded stone aggregate of 40 mm nominal size in appropriate proportions as per approved & specified design criteria, providing dowel bars with sleeve/ tie bars wherever required, laying at site, spreading and compacting mechanically by using needle and surface vibrators, levelling to required slope/ camber, finishing with required texture, including steel form work with sturdy M.S. channel sections, curing, making provision for contraction/ expansion, construction & longitudinal joints (10 mm wide x 50 mm deep) by groove cutting machine, providing and filling joints with approved joint filler and sealants, complete all as per direction of Engineer- in-charge (Item of joint fillers, sealants, dowel bars with sleeve/ tie bars to be paid separately). Note:- Cement content considered in M-30 is @ 340 kg/cum. Excess/ less cement used as per design mix is payable/ recoverable separately. Cement concrete prepared with batch mixing machine

Providing and filling in position rubberized bitumen hot sealing compound for sealing of expansion joints in roads / pavements all complete as per direction of the Engineer-in-Charge Providing and filling in position rubberized bitumen hot sealing compound for sealing of expansion joints in roads / pavements all complete as per direction of the Engineer-in-Charge.

Supply and Laying of 125 micron polythene sheet under the foundation (for anti salt peter treatment) or over sub base to act as separation between sub base and concrete slab (for cc road slab) inclu. Supply of all materials, labour, t&p. (SOR-2020, Chapter-17, Sr.No.4)

Providing and laying factory made chamfered edge Cement Concrete paver blocks in footpath, parks, lawns, drive ways or light traffic parking etc, of required strength, thickness & size/ shape, made by table vibratory method using PU mould, laid in required colour & pattern over 50 mm thick compacted bed of sand, compacting and proper embedding/laying of inter locking paver blocks into the sand bedding layer through vibratory compaction by using plate vibrator, filling the joints with sand and cutting of paver blocks as per required size and pattern, finishing and sweeping extra sand. complete all as per direction of Engineer-in-Charge. 80 mm thick C.C. paver block of M-35 grade with approved colour design and pattern.

Construction of pipe culvert including earthwork in excavation, preparation of foundation, providing and laying NP3 class RCC hume pipes of specified diameter with collars/joints, laying to proper line and level, providing PCC bedding, construction of head walls/wing walls/parapets in brick masonry (as specified), backfilling, and finishing complete in all respects as per drawings, technical specifications, and direction of Engineer-in-Charge.