Improvements to the Thoppu theru at Nallambal

Amount

Code No 2.10.1.1 Excavating trenches of required width for metre pipes, cables, etc including excavation for sockets and dressing of sides, ramming of bottoms, depth upto 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 consolidating each deposited layer by ramming, watering , etc. and disposing of surplus excavated soil as directed , within a lead of 50m - All kinds of soil - Pipes, cables etc, not exceeding 80mm dia

Code No 31.161.1C Providing, laying and jointing UPVC pipes (Finolex/Jain) (0.6 Mpa) conforming to IS specification 4985 and ISI marked including transportation to the site, lowering to the trenches, laying to proper grade and alignment, testing of joints with required testing equipment, including cost of solvent cement, UPVC specials such as bends, tees, threaded pieces, couplers, reducer, endcaps etc., complete all as per IS and CPWD specification. - 63mm dia.

Code No.5.1 Providing and applying primer coat with bitumen emulsion on prepared surface of granular base including clearing of road surface and spraying primer at the rate of 0.60 kg/sqm using mechanical means. (As per MoRTH specification, 4th Revision)

Code No 5.2 Providing and applying tack coat bitumen emulsion using emulsion pressure distributor at the rate of 0.20 kg. per sqm. on the prepared bituminous / granular surface cleaned with mechanical broom. (As per MoRTH specification, 4th Revision)

Code No 5.3A Providing and laying bituminous macadam with hot mix plant of capacity not less than 40 to 60 TPH using crushed aggregates of specified grading premixed with bituminous binder, transported to site, laid over a previously prepared surface with paver finisher to the required grade,level and alignment and rolled as per clauses 501.6 and 507.7 of MoRTH specification, 4th Revision, to achieve the desired compaction.- Using grade I metal and bitumen 60/70 grade.

Code No. 5.7A Providing and laying semi-dense bituminous concrete with HMP of capacity not less than 40 - 60 TPH using crushed aggregates of specified grading, premixed with bituminous binder @ 4.5 to 5 percent of mix and filler, transporting the hot mix to work site, laying with a hydrostatic paver finisher with sensor control to the required grade, level and alignment, rolling with smooth wheeled, vibratory and tandem rollers to achieve the desired compaction as per clause 508 of MoRTH specification, 4th Revision, complete in all respects - Using grade-I material and bitumen 60/70 grade.