LAC - ADS - Improvements to TN Puram road by providing 40mm CC in Nemom LACImprovements to TN Puram road by providing 40mm CC in Nemom LAC-General Civil Work

Improvement to Carriage Way

3.6:Excavation for roadwork in soil with hydraulic excavator of 0.9 cum bucket capacity including cutting and loading in tippers, trimming bottom and side slopes, in accordance with requirements of lines, grades and cross sections, and transporting to the embankment location within all lifts and lead upto 1000m

12.1.2.B:Earth work in excavation of foundation of structures as per drawing and technical specification, including setting out, construction of shoring and bracing, removal of stumps and other deleterious matter, dressing of sides and bottom and backfilling with approved material.<br> Ordinary Rock (not requiring blasting ) - Depth up to 3 m - Mechanical Means <br>

12.4:Plain cement concrete 1:3:6 nominal mix in foundation with crushed stone aggregate 40 mm nominal size mechanically mixed, placed in foundation and compacted by vibration including curing for 14 days.

12.8.1.C:Plain/Reinforced Cement Concrete in Open Foundation complete as per Drawing and Technical Specifications <br> RCC Grade M20 - Using Concrete Mixer - (Without formwork) <br>

3.19.1:Loosening of the ground upto a level of 500 mm below the sub-grade level, watered, graded and compacted in layers to meet requirement of table 300-2 for Compacting original ground supporting sub-grade construction.

4.1.B.1:Construction of granular sub-base by providing graded material, spreading in uniform layers with a motor grader on a prepared surface, mixing by mix in-place method with rotavator at OMC, and compacting with a vibratory roller to achieve the desired density, complete as per clause 401. Grading-V - For sub-base cum drainage layer - Mix in Place Method

4.12:Providing, laying, spreading and compacting graded stone aggregate to Wet Mix Macadam specification including premixing the Material with water at OMC in mechanical mix plant carriage of 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 achieve the desired density.

5.1.a:Providing and applying primer coat with bitumen emulsion ( SS) on prepared surface of granular Base including clearing of road surface and spraying primer at the rate of 0.70 - 1.0 kg/sqm using mechanical means.

55.4:Supplying and stacking 36mm size hard broken stone in standard heaps for measurement.

OD284031/2025-2026:Supplying and stacking 24mm hard blue granite broken stone in standard heaps for measurement(IRC 3.2.1.a)

55.2:Supplying and stacking 12mm hard blue granite broken stone in standard heaps for measurement(IRC 3.2.1.a)

55.3:Supplying and stacking 6mm hard blue granite broken stone in standard heaps for measurement(IRC 3.2.1.a)

55.7.a:Providing bitumen leveling coarse between 40mm and 150mm with 36mm deptl metal by spreading the metal to line and levels and rolling until the compacted coarse aggregate has a firm surface and applying hot bitumen with pressure sprayer at the rate of 20 Kg per M3 metal including all cost of bitumen conveyance heating mixing spreading in appropriate locations to proper levels compacting with power roler and other sundry stores.

55.6.a:Providing pre mix bitumen leveling coarse having thickness between 20mm and 40mm with 12mm deptl metal by spreading the metal to line and levels and rolling until the compacted coarse aggregate has a firm surface and applying hot bitumen (vg 30) with pressure sprayer at the rate of 48 Kg per M3 metal including all cost of bitumen conveyance heating mixing spreading in appropriate locations to proper levels compacting with power roler and other sundry stores.

55.8.a:Filling up pot holes (cut and formed to regular shapes and all loose and defective materials removed) after supplying a prime coat of hot bitumen using 36mm departmental broken stone and compacting with power roller to get a compact surface.

OD284029/2025-2026:Providing 40mm premixed chipping carpet over BT surface with departmental broken stones after thoroughly cleaning the base with wire brushes, brooms and appying a priming coat of hot bitumen @ 2.50 Kg/ 10 m2 and spreading the hot premix of 0.32 m3 of 24mm, 0.22 m3 of 12mm departmental metal mixed with 22.08 Kg of bitumen per 10m2, rolling to dense surface, then spreading the seat coat comprising 0.09m3 of 6mm metal mixed with 8.64 Kg of of bitumen per 10m2 and rolling again including cost of bitumen, fuel, hire charges machineries etc complete (Total usage of bitumen 33.22 Kg per 10 m2) (IRC 3.4.2)

OD283071/2025-2026:Engaging Man Mazdoor

Road Safety

8.13:Providing and laying of hot applied thermoplastic compound 2.5 mm thick including reflectorising glass beads on Bituminous Surface @ 250 gms per sqm area, the thickness of 2.5 mm is exclusive of surface applied glass beads as per IRC:35. The finished surface to be level, uniform, and free from streaks and holes.