GENERAL Maintenance works to various bridges under Alappuzha Section Maintenance works to Kumbalangi Bridge and Arookutty Bridge in Aroor LAC and Kattachira Bridge in Cherthala LAC General Civil Work

Amount

Maintenance works

OD234837/2024-2025:Engaging labour for clearing shrubs grown over bridges, clearing choked drains near bridges, ventway clearances and approach rectification activities

3.15:Scarifying the existing bituminous road surface to a depth of 50 mm and disposal of scarified material with in all lifts and lead upto 1000 metres by Mechanical Means

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.

5.2.a:Providing and applying tack coat with bitumen emulsion( RS) using emulsion pressure distributor at the rate of 0.20 - 0.30 kg per sqm on the prepared bituminous surface cleaned with mechanical broom.

OD235362/2024-2025: Mix seal Surfacing Providing ,laying and rolling of close - graded premix surfacing material of 40mm thickness composed of 11.2mm to 0.9 mm Type -A aggregate using penetration grade bitumen to required line, grade and level to serve as wearing course on previously prepared base, including mixing in a suitable plant ,laying and rolling with a three wheel 8-10 KN static roller and finishing to required level and grades as per Technical specifications clause 509 of MORD (Usage of bitumen is 44.00 kg/10M2)- BY Manual Means

OD234833/2024-2025:Filling up potholes with bituminous readymix compound (25kg bag) and compacting and ramming to get a compact surface including laying charges,transportation to the site etc complete rate is arrived for 1 bag

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.B:Plain/Reinforced Cement Concrete in Open Foundation complete as per Drawing and Technical Specifications PCC Grade M20 (Without formwork)

Bidder Name

AKSHAY LAL M