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| 1 | UN PLASTICIZED NON - PRESSURE POLYVINYL CHLORIDE (PVC- U)200mm Dia PIPES FOR USE IN UNDERGROUND DRAINAGE AND SEWERAGE SYSTEMS as per IS 15328/2003 rates are inclusive of Transportation charges anywhere in Tamilnadu,Loading and Unloading Charges Etc.., |
| 2 | Constructionof Machineholes using sulphate resistant cement at various depths to invert including earth work excavationas per SS20B, laying cement concrete in C.M.1:3:6 using Crushed stones and (Msand) and 40mm B.G.jelly for foundation,sinking well kerb below G.L.for 4.5m depth and above,pumping,timbering charges for 2.5m depth and above,stock brick work in C.M.1:3, for 23cm thick wall and over 23cm thickwall,plastering interior with C.M.1:3,20mm thick and exterior with C.M.1:3,12mm thick,laying plain cement concrete1:3:6 using 12.0mm to 20mm B.G.jelly fixing the frame,providing C.I.steps,machine hole cover and frame,benching and channelling including refilling the trench with excavated earth and disposal of surplus earth etc.complete for the following sizes for each machinehole (As per the type design drawing for machinehole) |
| 3 | 1.50m to 2.00m |
| 4 | 3.00 m to 3.50m |
| 5 | Earth work excavation and depositing on bank with initial lead of 10 m and lift of 2 M in narrow trenches having bed width 1.25m & below for laying of pipes for water supplyand sewerage works in the following type of soils as directed by Departmental officersSand, silt or other loose soil, wet sand or silt not under water light black cotton soil, sandy loam and ordinary soil.SS20B |
| 6 | Lowering PVC/ DWSC rigid pipes and specials to trench and laying to proper grade and alignment, jointing with PVC couplers with cement paste. |
| 7 | 0.00m to 2.00m |
| 8 | 2.00m to 3.00m |
| 9 | Shoring, and strutting with sheet piles of size width 400 mm x height of 3m x thickness of 9mm as per IS 2314-1986 by driving on both sides of the trench from Ground Level up to the required depth and connecting the above sheet piles by horizontal strutting with sheet piles at an interval of 1.0m, fixing the sheet piles by connecting the horizontal strutting with casurina poles of 8cm to 10cm dia. at 1.50m interval and including removing the sheet piles after the pipelines are laid, jointed, tested, and stacking it safely for other uses. It includes the cost of sheet piles and casurina poles including labour charges for erecting the sheet piles, driving the sheet piles, removing the sheet piles, fixing Casurina poles, etc., complete and all other incidental charges for the depths (i) 0-3mts.,(ii) 0-4mts.,(iii) 0-5mts., (iv) 0-6mts.,(v) 0-7mts. and (vi) 0-8mts. |
| 10 | Replacement of Underground Utilities 4KSC(PVC Pipe) damaged during earthwork excavation for pipe laying works including cost of additional earthwork excavation in all soil strata, including BT/CC road cutting, removal of slushy soil and replacing the pipeline with sound pipe, including supply and delivery of PVC pipes, couplers, jointing materialsand required specials, cutting, conveying , laying, jointing and cost of refilling for the additional earthwork etc complete and as directed by the TWAD board officers.a. 1 |
| 11 | 90mm Dia |
| 12 | 110mm Dia |
| 13 | Barricading work (Where, there is less traffic areas and broader roads etc.) for laying of pipe line using casurina poles at 1.50m center to center (8cm to 10cm dia and 1.80m height) vertical with horizontal poles in three rows including painting the vertical poles in the road facing sides with ready mix paint, tying the vertical and horizontal poles with coir rope including fixing charges and fixing 75mm dia reflectors including earth work excavation for fixing vertical posts and finally removing and stacking the materials safely for further use etc., complete and as directed by TWAD Board officers. |
| 14 | Providing and laying, spreading and compacting graded stone aggregate to Wet mix macadam (WMM) specification including premixing the material with water at OMC in mechanical mix plant carriage to mixed material by tipper to site laying in uniform layers with paver in sub base / base course on well prepared surface and compacting with vibratory roller to achive the desired density complete as per clasue 406 of MORTH specifications. |
