Delhi Development Authority-DDA has published Maintenance Of Scheme Under Nazul A/C-Ii Rohini . Restoration Of Internal Sewer Line And Piped Sw Drain At Dc-I And Ii I/C Desilting Of Existing Sewer Linesector-10 , Rohini. Submission Date for this Tender is 25-01-2021. Drainage Tenders in ROHINI Delhi. Bidders can get complete Tender details and download the document.
Name of Work: M/O scheme under Nazul A/c-II Rohini. SH: Restoration of internal sewer line and piped SW drain at DC-I & II i/c desilting of existing sewer line Sector-10, Rohini | |||||
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Sl. No. | Item Description | Item Code / Make | Quantity | Units | |
1 | 1 | Earth work in excavation by mechanical means (Hydraulic excavator)/manual means over areas (exceeding 30 cm in depth, 1.5 m in width as well as 10 sqm on plan) including getting out and disposal of excavated earth lead upto 50 m and lift upto 1.5 m, as directed by Engineer-in-charge. a) All kinds of soil | BI01010001010000000000000515BI0100001113 | 562 | Cum |
2 | 2 | Extra for every additional lift of 1.5 m or part thereof in excavation / banking excavated or stacked materials. | BI01010001010000000000000515BI0100001114 | 249 | Cum |
3 | 3 | Supplying, filling, spreading & leveling stone boulders of size range 5 cm to 20 cm, in recharge pit, in the required thickness, for all leads & lifts, all complete as per direction of Engineer-in-charge. | BI01010001010000000000000515BI0100001115 | 7 | Cum |
4 | 4 | Providing and laying in position ready mixed M-25 grade concrete for reinforced cement concrete work, using cement content as per approved design mix, 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 reinforced cement concrete work, including pumping of R.M.C. from transit mixer to site of laying , excluding the cost of centering, shuttering finishing and reinforcement, including cost of 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 :- Cement content considered in this item is @ 330 kg/ cum.Excess/less cement used as per design mix is payable/recoverable separately). a) All works upto plinth level | BI01010001010000000000000515BI0100001116 | 7 | Cum |
5 | 5 | Steel reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete upto plinth level. a) Thermo-Mechanically Treated bars of grade Fe-500D or more. | BI01010001010000000000000515BI0100001117 | 560 | Kg |
6 | 6 | 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 :\na) 250 mm dia. R.C.C. pipe | BI01010001010000000000000515BI0100001118 | 60 | Meter |
7 | 6.1 | b)600 mm dia. R.C.C. pipe | BI01010001010000000000000515BI0100001119 | 25 | Meter |
8 | 6.2 | c) 1000 mm dia. R.C.C. pipe | BI01010001010000000000000515BI0100001120 | 10 | Meter |
9 | 7 | Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level :\na) 1:4:8 (1 Cement : 4 coarse sand (zone-III) : 8 graded stone aggregate 40 mm nominal size | BI01010001010000000000000515BI0100001121 | 12 | Cum |
10 | 8 | Constructing brick masonry circular manhole 1.52 m internal dia at bottom and 0.56 m dia at top in cement mortar 1:4 (1 cement : 4 coarse sand) inside 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 (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 : a) 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 at the external surface shall be paid for separately) : With Sewer bricks conforming IS : 4885 | BI01010001010000000000000515BI0100001122 | 2 | Each |
11 | 9 | Extra depth for circular type manhole 1.52 m internal dia (at bottom) beyond 2.30 m : a) With Sewer bricks conforming IS : 4885 | BI01010001010000000000000515BI0100001123 | 1.9 | Meter |
12 | 10 | Providing orange colour safety foot rest of minimum 6 mm thickplastic 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. | BI01010001010000000000000515BI0100001124 | 30 | Each |
13 | 11 | providing temporary rokass/ bandhs for branch lines connecting to the main line as per side requriment including all related civil work for site prepration, traffic management , flow stoppage by appropriate method bypass pumping desilting & cleaning to the requried extent and disposing the silt restoring thr pits manhole etc. restore the site after completion and service reconnecting ( by removing the rookas / bandhs ) as per direction of the engineer - in - charge.\na) 250 mm dia | BI01010001010000000000000515BI0100001125 | 1 | Each |
14 | 11.1 | b)500 to 750 mm dia | BI01010001010000000000000515BI0100001126 | 2 | Each |
15 | 12 | 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) | BI01010001010000000000000515BI0100001127 | 10 | Cum |
16 | 13 | 12 mm cement plaster finished with a floating coat of neat cement of mix 1 a) 1:3 (1 cement: 3 fine sand) | BI01010001010000000000000515BI0100001128 | 87 | sqm |
17 | 13.1 | b )15 mm cement plaster on the rough side of single or half brick wall of mix : b) 1:4 (1 cement: 4 fine sand) | BI01010001010000000000000515BI0100001129 | 37 | sqm |
18 | 14 | 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. | BI01010001010000000000000515BI0100001130 | 187 | Cum |
19 | 15 | Centering and shuttering including strutting, propping etc. and removalof form for : a) Suspended floors, roofs, landings, balconies and access platform | BI01010001010000000000000515BI0100001131 | 7 | sqm |
20 | 16 | Cleaning of chocked sewer line by diesel running vehicle mounting hydraulic operated high pressure suction cum jetting sewer cleaning machine fitted with pump having 4000 litres suction capacity and 6000 litres water jetting tank capacity including skilled operator, supervising engineer etc. for cleaning and partial desilting of manholes and dechocking of sewer lines. Dechocking and flushing of sewer line from one manhole to another by high pressure jetting system of 2200 PSI for sewer line from 150mm dia upto 300mm | BI01010001010000000000000515BI0100001132 | 4449 | Meter |
21 | 17 | Cleaning of chocked sewer line by diesel running vehicle mounting hydraulic operated high pressure suction cum jetting sewer cleaning machine fitted with pump having 4000 litres suction capacity and 6000 litres water jetting tank capacity including skilled operator, supervising engineer etc. for cleaning and partial desilting of manholes and dechocking of sewer lines. Dechocking and flushing of sewer line from one manhole to another by high pressure jetting system of 2200 PSI for sewer line from 350mm dia upto 600 mm | BI01010001010000000000000515BI0100001133 | 2262 | Meter |
22 | 18 | Hiring charge of pump set with 4000 litr capacity per hour i/c operator charge , fuel charges and other charges complete. | BI01010001010000000000000515BI0100001134 | 5 | Day |
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