Delhi Urban Shelter Improvement Board Tender

Pipes, cables etc. exceeding 80 mm dia. but not exceeding 300 mm dia

Desilting of Nallah / Drain in running flow and under foul condition for depth not exceeding 1.5 meter including removal of stones, bricks,brick bats, garbage, silts, mud,polythene and sewage if any etc. and diversion of flow of sludge if required and removing the same away from cluster at the place as directed by Engineer-in-charge. Disposed silt to be levveled and neatly dressed

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

Supply of earth and banking the same in layers not exceeding 20 cm in depth breaking clods watering rolling each layer with half tonne roller or wooden or steel rammers and dressing of in embankments for roads, flood banks, guide banks or filling of ground depression with all lead, lift etc. complete

Providing and laying dry brick aggregate 40mm nominal size in foundation and plinth including spreading and ramming in layers as directed by Engineer-in-charge.

Providing and laying in position ready mixed plain cement concrete, with cement content as per approved design mix and manufactured in fully automatic batching plant and transported to site of work in transit mixer for all leads, having continuous agitated mixer, manufactured as per mix design of specified grade for plain cement concrete work, including pumping of R.M.C. from transit mixer to site of laying and curing, excluding the cost of centering, shuttering and finishing, including cost of curing, admixtures in recommended proportions as per IS : 9103 to accelerate/ retard setting of concrete, improve workability without impairing strength and durability as per direction of the Engineer - in - charge. Note : 1) Excess/less cement used than specified in this item is payable/ recoverable separately. All works upto plinth level :

M-15 grade plain cement concrete (cement content considered @ 240 kg/cum)

providing & fixing non asbestors multipurpose fibre cement board strips in joints of cement concrete pavement 50mm + 5mm wide & 6mm thick having normal length not less then 90cm Detail of cost for 10 mtr length

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)

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

Constructing brick masonry circular type manhole 0.91 m internal dia at bottom and 0.56m dia at top 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 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 : 0.91 m deep with S.F.R.C 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 aggregate 20 mm niminal size) including centering shuttering all complete ( excavation, foot rest 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

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

150mm dia. R.C.C. pipe

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

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 :

For pipes 100 to 250 mm diameter

Providing and laying in position cement concrete of specified grade excluding the cost of centring and shuttering . All work upto plinth level.

1:5:10 (1 cement : 5 coarse sand(zone-III) : 10 graded stone aggregate 40 mm nominal size)

Providing and laying in position cement concrete of specified grade excluding the cost of centring and shuttering . All work upto plinth level.

1:2:4 (1 cement : 2 coarse sand(zone-III) : 4 graded stone aggregate 20 mm nominal size)

Providing and laying in position C.C. of specified grade excluding the cost of centring & shuttering. All work upto 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)

Providing and laying in position C.C. of specified grade excluding the cost of centring & shuttering. All work upto plinth level.

1:2:4 (1 cement: 2 coarse sand(zone iii) i/c manf. Sand derived from recycled concrete aggregate(RCA) upto 25% : 4 graded stone aggregate 20mm nominal size i/c RCA upto 25%

Providing & supplying of class SN 8 structured wall Polyethylene piping systems (Pipe with online/offline coupler and elastometric sealing ring) with non-smooth External Annular Surfaces (Double wall) for non-pressure underground sewerage & drainage application as per EN:13476-3 / IS:16098(Part-2)-2013 i/c all local and central taxes, transtortation, freight charges, octroi, inspection charges, loading, unloading, conveyance to the departmental stores etc. complete. 250 mm I.D.

Lowering, Laying and Jointing of class SN-8 structure wall (External Annular Corrugated & Smooth Internal Surface) Plyethylene piping and fitting with the help of coupler (online/offline) attaiched with one end of pipes, sliding over the elastometric sealing rubber ring placed on the specified vally of the corrugation at the spigot end, lowering the same into the trench, laying on the lower bedding (constructed at bottom of trenches) at prescribed gradient, depth & alignment, testing the water tightness of the joints, ensuring the continuity tests of specified pipe segments etc. complete as per drawing, specifications & detailed engineering, i/c carriage of pipes & fittings from stacks to the place of laying etc. as per direction of E-n-C. 250 mm I.D

Add 31.27% as circulated by Delhi Govt. Except Item No. 17 to 20

Minus 9.5% as circulated by Delhi Govt.