Improvement Development of Drainage system from Malka ganj Chowk to Tanga stand in Malka Ganj ward no 12/CLZ-Improvement Development of Drainage system from Malka ganj Chowk to Tanga stand in Malka Ganj ward no 12/CLZ., DSR DAR CIVIL-2018 and approved items; 1 Civil work 2 15.2.1:Demolishing cement concrete manually / by mechanical means including disposal of material within 50 metres lead as per direction of Engineer - in-Charge.Nominal concrete 1:3:6 or richer mix (i/c equivalent design mix) 3 15.7.4:Demolishing brick work manually / by mechanical means including stacking of serviceable material and disposal of unserviceable material within 50 metres lead as per direction of Engineer-in-Charge.In cement mortar 4 15.3:Demolishing R.C.C. work manually / by mechanical means including stacking of steel bars and disposal of unserviceable material with in 50 metres lead as per direction of Engineer -in-Charge. 5 2.8.1: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 up to 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 6 2.25:Filling available excavated earth (excluding rock) in trenches, plinth, sides of foundation etc. in layers not exceeding 20 cm in depth, consolidating each deposited layer by ramming and watering, lead up to 50 m and lift up to 1.5 m. 7 1.1.1_10:Disposal of materials by mechanical transportincluding loading ,unloading and stacking lime ,moorum, buildingrubbish lead for 10 km 8 4.1.10A:Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level:1:5:10 (1 cement : 5 manufactured sand derived from Recycled Concrete Aggregate (RCA) : 10 graded stone aggregate 40 mm nominal size Recycled Aggregate (RA) ) 9 6.1.1:Brick work with common burnt clay F.P.S (non modular) bricks of class designation 7.5 in foundation and plinth in:Cement mortar 1:4 (1 cement : 4 coarse sand) 10 4.1.3:Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level:1:2:4 (1 cement : 2 coarse sand (zone-III) derived from natural sources : 4 graded stone aggregate 20 mm nominal size derived from natural sources) 11 13.4.2:12 mm cement plaster of mix:1:6 ( 1 cement : 6 coarse sand) 12 13.18:Neat cement punning 13 5.9.16.1:Centering and shuttering including strutting, etc. and removal of form for:Edges of slabs and breaks in floors and wallsUnder 20 cm wide 14 5.9.16.2:Centering and shuttering including strutting, etc. and removal of form for:Edges of slabs and breaks in floors and wallsAbove 20 cm wide 15 12.23.1.1:Providing sand stone slab for roofing and laying them in cement mortar 1:4 ( 1 cement : 4 coarse sand) over wooden karries or RCC battens or structural steel sections ( Karries or battens or structural steel sections to be paid separately), including pointing the ceiling joints with cement mortar 1:3 ( 1 cement : 3 fine sand ) complete:Red sand stone salb40 to 50 mm thick 16 5.1.2:Providing and laying in position specified grade of reinforced cement concrete, excluding the cost of centering, shuttering, finishing and reinforcement - All work up to plinth level:1:1.5:3 (1 cement : 1.5 coarse sand (zone-III) derived from natural sources : 3 graded stone aggregate 20 mm nominal size derived from natural sources) 17 5.22.6:Steel reinforcement for R.C.C work including straightening, cutting, bending, placing in position and binding all complete upto plinth levelThermo - Mechanically Treated bars of grade Fe-500D or more 18 19.19.3.1:Providing and fixing in position Pre-cast R.C.C. manhole cover and frame of required shape and approved quality.H D - 20Circular shape 560 mm internal diameter 19 2.10.1.3:Excavating trenches of required width for pipes, cables, etc including excavation for sockets, and dressing of sides, ramming of bottoms, depth up to 1.5 m, including getting out the excavated soil. and then returning the soil as required, in layers not exceeding 20 cm in depth, including consolidating each deposited layer by ramming, watering, etc. and disposing of surplus excavated soil as directed, within alead of 50 m:Pipes, cables etc. exceeding 300 mm dia but not exceeding 600 mm 20 19.6.4: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:300 mm dia R.C.C. pipe 21 19.3.5:Providing and laying cement concrete 1:5:10 (1 cement : 5 coarse sand : 10 graded stone aggregate 40 mm nominal size) up to haunches of S.W. pipes including bed concrete as per standard design:300 mm diameter S.W. pipe. 22 19.21.2:Making connection of drain or sewer line with existing manhole including breaking into and making goodthe 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.For pipes 250 to 300 mm diameter 23 19.27.1: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 24 19.9.1.1:Constructing brick masonry circulartype manhole 0.91 m internal dia at bottam and 0.56m dia at to[ in cement mortar 1:4 (1 cement : 4 coarse sand), in side 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 mix ( 1 cement: 3 coarse sand: 6 graded stone aggregate 40 mm nominal size ), and making necessarychannel 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:0.91 m deep with S.F.R.C cover and frame (heavy duty, HD-20 grade designation) 560 mm internal diameter conforming to IS: 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 cement burnt clay F.P.S. (non modular) bricks of class designation 7.5 25 19.16:Providing orange colour safety foot rest of minimum 6 mm thick plastic encapsulated as per IS: 10910 on 12 mm dia steeel barconforming to IS:1786, having minimum cross section as 23 mm x 25 mm and over allminimum 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 manufactures permanent identification mark to be visible even after fixing including fixing in manholes with 30x20x15 cm cement concrete block 1:3:6 ( 1cement: 3 coarse sand: 6 graded stone aggregate 20 mm nominal size)Complete as per design 26 110.18:Providing and laying compacted bed of dry brick aggregate of 40/50 mm thick nominal size in required thickness including spreading, well ramming, consolidating and grouting with Jamuna sand including finishing smooth etc. complete as per direction of Engineer-in-charge (compacted thickness to be measure for the purpose of payment) 27 4.1.2:Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level:1:1½:3 (1 Cement: 1½ coarse sand (zone-III) derived from natural sources : 3 graded stone aggregate 20 mm nominal size derived from natural sources) 28 16.93:Providing and placing in position 100mm thick factory made machine batched & ma chine mixed PrecastRCC Rectangular Covers on drains of footpath of various sizes,of M-25 grade cement concrete for RCCwork, including cost of centering, shuttering, reinforcement of 8mm dia TMT bars of Fe 500 grade @maximum 100mm c/c on both ways , neat cement punning on finished surface, properly encased on alledges with 1.6 mm thick , 100mm wide MS sheet duly painted over priming coat , reinforcement to bewelded at edges with MS sheet and providing 2 Nos. 12 mm dia bar for hooks etc i/c cost of cartage ,allleads & lift, handling at site etc. all complete as per direction of Engineer-in-Charge . 29 10.25.2:Steel work welded in built up sections/framed work, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer using structural steel etc. as required.In gratings, frames, guard bar, ladder, railings, brackets, gates and similar works 30 14.23:Pumping out water caused by springs, tidal or river seepage, broken water mains or drains and the like. 31 2.9.1:Excavation work 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 up to 1.5 m, including getting out the excavated soil and disposal of surplus excavated soils as directed, within a lead of 50 m.Ordinary rock 32 11.20.3:Chequerred precast cement concrete tiles 22 mm thick in footpath & courtyard, jointed with neat cement slurry mixed with pigment to match the shade of tiles, including rubbing and cleaning etc. complete on 20 mm thick bed of cement mortar 1:4 ( 1 cement : 4 coarse sand).Dark shade pigment using ordinary cement 33 110.25.1:Excavation in nalla/drains in running condition including taking out and disposal of excavated silt/sludge/rubbish/earth mixed malba etc. from the drain, culvert and other similar conditions under sumberged/foul condition within 50 metre lead and 1.5 m lift, blocking drain in the required length by placing sand filled bags and pumping out water including removal of stone, brick bats, cloating material etc. before excavation. a) Open nalla 34 110.25.2:Excavation in nalla/drains in running condition including taking out and disposal of excavated silt/sludge/rubbish/earth mixed malba etc. from the drain, culvert and other similar conditions under sumberged/foul condition within 50 metre lead and 1.5 m lift, blocking drain in the required length by placing sand filled bags and pumping out water including removal of stone, brick bats, cloating material etc. before excavation. b) Covered nalla including removal of manhole cover/precast RCC slabs etc and refixing/placing after desilting 35 16.69: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 5 mm), 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)
