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| 1 | App. A. Working charge |
| 2 | 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 consolidatingeach deposited layer by ramming, watering, etc. and disposing of surplus excavated soil as directed, within a lead of 50 m :All kinds of soil (Ref. Item No. 2.10.1 of DSR) |
| 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 consolidatingeach deposited layer by ramming, watering, etc. and disposing of surplus excavated soil as directed, within a lead of 50 m :\"Ordinary Rock.(Ref. Item No. 2.13.1 of DSR) |
| 4 | Fencing one side of trenches, 1.50 m height with two rows of 10 cm plastic caution tape in vertical casuarina pole (girth 15cm to 24cm) fixed at 2 m intervals. (Data Prepared based on PWD SDB - Item No.1009) |
| 5 | Laying UPVC pipesof class 2 to class 6 andspecials, lowering to the trenches already made, placing in position aligning the pipe line to the lines and levels and jointing the pipes and specials with solvent cement and testing the pipe line with water to the required test pressure(excluding cost of pipes and specials).140 mm nominal outer dia pipes. |
| 6 | Providing and laying D.I Specials of Class K - 12 suitable for mechanical jointing as per IS : 9523 : |
| 7 | Conveying and fixing C I Single acting AirValve of approved qualitywith bolts,nuts,rubber insertions etc . excluding the cost of airvalve(the tail pieces if required will be paid seperately): 25 mmSingle acting Air Valve Observed Data derivedfrom item no.18.59.of DAR |
| 8 | Conveying and fixing C.I. sluice valves (with cap)by providing complete with bolts, nuts, rubber insertions etc. excluding the cost of valve (the tail pieces if required will be paid separately) : 125 mm diameter. Class II\"Data derivedfrom item no.18.31.2.2of DAR |
| 9 | Providing and fixing gun metal gate valve with C.I. wheel of approved quality (screwed end) :80 mm nominal bore |
| 10 | Construction of granular sub- base by Providing close graded Material conforming to specifications, mixing in a mechanical mix plant at OMC, Carriage of mixed material by tippers to work site, for all leads & lifts, spreading in uniform layers of specified thickness with motor grader on prepared surface and compacting with vibratory power roller to achieve the desired density, complete as per specifications and directions of Engineer-in- Charge.With material conforming to Grade - III ( size range 26.5 mm to 0.075 mm) having CBR Value - 20 |
| 11 | Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level:1:3:6 (1 cement : 3 coarse sand : 6 graded stone aggregate 20 mm nominal size) |
| 12 | Supplying and fixing CI surface box withprotection tube |
| 13 | App. B.Cost of materials |
| 14 | Supply of uPVC Pipe, IS 4985:2000 , 6kg/cm2, 200mm Dia. |
| 15 | Supply of CI Air Valve, Conforming to IS 14848 - 2000, Single Orifice, Small Orifice Type S1, Size 25mm. |
| 16 | Supply of CI Double Flanged Sluice Valve Conforming to IS 14846 - 2000, Sluice Valve with Hand Wheel PN 1.6, Size 125mm. |
| 17 | Cost of 80mm CID joint |
