Improvements to left bank canal by providing CC lining and RCC trough in selected reaches inbetween Ch 4.00km to 8.00 Km in selected reaches of Narihalla dam in Sandur taluk

NAME OF THE WORK:Improvements to left bank canal by providing CC lining and RCC trough in selected reaches inbetween Ch 4.00km to 8.00 Km in selected reaches of Narihalla dam in Sandur taluk

It.No Item of work Unit Qty Rate Amount

1 Clearing and grubbing road land including uprooting rank vegetation, grass, bushes, shrubs, saplings and trees girth up to 300 mm, removal of stumps of trees cut earlier and disposal of unserviceable materials and stacking of serviceable material to be used or auctioned, including removal and disposal of top organic soil not exceeding 150 mm in thickness. By Mechanical Means using Dozer In area of thorny jungle 100m2 283.20 508.20 143922.24

2 Excavation and removal of silt and silt mixed with sand from canal bed by manual means including disposing off the same in spoil bank or on the canal embankment in layers as directed with all other ancillary operations complete.in dry condition m3 3729.90 299.25 1116172.58

3 Dismantling of existing structures like culverts, bridges, retaining walls and other structure comprising of masonry, cement concrete, wood work, steel work, including T&P and scaffolding wherever necessary, sorting the dismantled material, disposal of unserviceable material and stacking the serviceable material with all lifts and lead-By Mechanical Means- Cement Concrete Grade M-15 & M-20 m3 159.05 754.95 120074.80

4 Dismantling of existing structures like culverts, bridges, retaining walls and other structure comprising of masonry, cement concrete, wood work, steel work, including T&P and scaffolding wherever necessary, sorting the dismantled material, disposal of unserviceable material and stacking the serviceable material with all lifts and lead-Dismantling Stone Masonry In cement mortar m3 132.00 640.50 84546.00

5 Earth work excavation for Foundation by mechanical means for all works & depth upto 3 m, as per drawing and technical specifications, including setting out, shoring, strutting, barricading, caution lights, including dressing of excavated surfaces, disposing off or levelling the excavated earth or sorting & stacking the selected earth for reuse in a radius of 50 m and lift upto 1.5 m including cost of labour, tools, usage of machinery & other appurtenaces required to complete the work.In all kinds of soils Depth upto 3 m m3 8362.05 107.10 895575.54

6 Earth work excavation for Foundation by mechanical means for all works & depth upto 3 m, as per drawing and technical specifications, including setting out, shoring, strutting, barricading, caution lights, including dressing of excavated surfaces, disposing off or levelling the excavated earth or sorting & stacking the selected earth for reuse in a radius of 50 m and lift upto 1.5 m including cost of labour, tools, usage of machinery & other appurtenaces required to complete the work.In ordinary/soft rock without blasting upto 1.5 m depth m3 3704.06 381.15 1411800.81

7 Providing casing embankment using semi-pervious / pervious approved soil from borrow areas in layers of 250 to 300 mm (before compaction ) including cost of all materials, machinery, labour, all other operations such as collection of soil, spreading soil in layer of specified thickness, sorting out, breaking clods, levelling, sectioning edges / sides, watering, compacting each layer to density control of not less than 95 percent or as stipulated using power roller and all other ancillary operations complete. m3 10409.10 660.45 6874690.10

8 Providing and laying insitu vibrated M-15 grade cement concrete using 20 mm down approved, clean, hard, graded aggregates for side lining of canal including cost of all materials, machinery, labour,cleaning, batching, mixing, formwork, supports, placing in position, levelling, vibrating, finishing junction of bed and sides to required curvature, finishing side slopes, curing with all other ancillary operations complete. m3 1344.94 8609.47 11579251.79

9 Providing and laying insitu vibrated M-15 grade cement concrete using 40 mm down approved, clean, hard, graded aggregates for bed lining of canal including cost of all materials, machinery, labour, cleaning, batching, mixing, placing in position, levelling, vibrating, finishing, curing with all other ancillary operations complete. m3 793.99 6290.02 4994204.31

10 Providing and fixing tarfelt expansion joint filler board for cement concrete lining of canal including cost of all materials, labour and all other ancillary operations complete.20 mm thick 80 mm depth m 1861.70 75.60 140744.52

11 Providing and fixing GI pressure relief pipe with one end closed by perforated GI plate and other end provided with alluminium lid hinged to pipe including cost of all materials, labour, drilling 8 mm dia holes and all other ancillary operations complete.50 mm diameter and 450 mm long Each 1038.00 396.90 411982.20

12 Providing and forming 350x 350 x 400 mm deep filter drain consisting of 75 mm thick 10 mm down coarse aggregate layer around pressure relief pipe and 75 mm thick sand layer around coarse aggregate layer including cost of all materials, labour, excavation of pit and all other ancillary operations complete Each 1038.00 107.10 111169.80

13 Providing and laying in position Cement Concrete for levelling course for all works in foundation. The granite/trap/basalt crushed graded coarse aggregates and fine aggregates as per relevant IS Codes machine mixed, laid in layers not exceeding 150 mm thickness, well compacted using plate vibrators, including all lead & lifts, cost of all materials of quality, labour, Usage charges of machinery, curing, and all the other appurtenances required to complete the work as per technical specifications. Mix 1:3:6 Using 40 mm nominal size graded crushed coarse aggregates m3 147.99 6213.90 919574.87

14 Providing and laying insitu vibrated M-20 ( 28 days cube compressive strength not less than 20 N / sq mm ) grade cement concrete using 20 mm down size approved, clean, hard, graded aggregates as per relevant IS Codes machine mixed with super plasticisers, laid in layers, well compacted using needle vibrators, including cost of all materials of quality, confirming to the requirements of relevant IS codes, labour, Usage charges of machinery, curing, centering, formwork and scafolding and all other appurtenances required to complete the work as per technical specifications for check dam /pickups /irrigation tanks/waste weir/ sluice, sluice canal and other allied works like abutments/wing walls/returns/cutoff walls works & all necessary works as directed and complete as per specification. m3 830.62 7185.15 5968096.96

15 Supplying, fitting and placing TMT FE 550 / 550D Steel Reinforcement including cost of all materials, machinery, labour, cleaning, straightening, cutting, bending, hooking, laping/welding joints, tying with binding wire / soft annealed steel wire and other ancilary operations complete as per drawing and technical specification- Canal & Allied Works tonne 30.82 84819.00 2613993.23

16 Reinforced cement concrete M15grade kilometre stone of standard design as per IRC:8-1980, fixing in position including painting and printing etc- Ordinary kilometer stone (precast) Each 8.00 3033.45 24267.60

17 Fabrication, supply, erection, testing and commissioning of sliding type vertical lift gate consisting of skin plate, horizontal and vertical stiffeners, seal seats, sponge rubber seals lifting handles & all necessary works with all accessories for vented dam / field channel including cost of all materials, labour, cutting, aligning, welding, finishing, cleaning, applying two coats of anti-corrosive bituminous black paint over a coat of zinc chromate red oxide specifications and primer paint, seal fixing & all necessary works complete as per approved drawings and as directed and complete as per specification. Kg 2535.62 198.31 502849.51

18 Providing and laying Reinforced Cement Concrete pipe light duty NP2 for culverts, roadway utilities& crossingsas per IS 458:2003 in Single row including pointing ends and fixing collars with cement mortar 1:2 including cost of all materials, labour, curing completeas per specifications. 300 mm dia m 100.00 895.65 89565.00

19 Providing and laying Reinforced Cement Concrete pipe light duty NP2 for culverts, roadway utilities& crossingsas per IS 458:2003 in Single row including pointing ends and fixing collars with cement mortar 1:2 including cost of all materials, labour, curing completeas per specifications. 600 mm dia m3 30.00 2001.30 60039.00

20 Loosening, leveling and Compacting original ground supporting embankment to facilitate placement of first layer of embankment, scarified to a depth of 150 mm, mixed with water at OMC and then compacted by rolling so as to achieve minimum dry density as given in Table 300-2 for embankment construction. m3 1837.50 110.25 202584.38

21 Construction of sub-grade and earthen shoulders with approved material obtained from borrow pits with all lifts & leads, transporting to site, spreading, grading to required slope and compacted to meet requirement of table No. 300-2 Morth specification 305. m3 3431.90 517.65 1776523.03

22 Providing, laying, spreading and compacting stone aggregates of specific sizes to water bound macadam specification including spreading in uniform thickness, hand packing, rolling with vibratory roller in stages to proper grade and camber, applying and brooming requisite type of screening/ binding Materials to fill up the interstices of coarse aggregate, watering and compacting to the required density. B Mechanical means Grading-I (63 mm to 45 mm) Using Screening Crushable type such as Moorum or Gravel m3 735.00 2272.20 1670067.00

23 Providing and laying in position Cement Concrete for all Super structures of building , Road works, Water works, Irrigation works & super structure works of bridges upto 3.50 m height. The granite/trap/basalt crushed graded coarse aggregates and fine aggregates as per relevant IS Codes machine mixed with super plasticisers laid in layers, well compacted using needle vibrators. The cost includes all lead & lifts, cost of all materials, quality confirming to the requirements of relevant IS codes , labour, Usage charges of machinery, curing and all other appurtenances required to complete the work as per technical specifications.M25 Design Mix Using 20 mm nominal size graded crushed coarse aggregates m3 9.05 8484.84 76745.38

24 Providing and laying Cement concrete wearing coat M-30 grade including reinforcement complete as per drawing and Technical Specifications. (Batching Plant) m3 2.03 13741.35 27826.23

25 Filling available excavated earth (excluding rock) in trenches, plinth, sides of foundations and other similar works 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. m3 266.88 279.30 74539.64

26 De-silting of Feeder Channel/Canal in dry condition by excavating the deposited bed material and disposing off the same by stacking/ formation of Embankment or as directed including cost of all machinery, labour & all necessary works as directed and complete as per specification. m3 3141.35 98.70 310051.25

I agree to carry out the above cited work at _______ % in words__________________________________ above/below the estimated Rate indicated in the Schedule-B.

Contracotr No of Correction Executive Engineer

No of over writings KNNL, No-1 T. R. Division