Vengallor Bridge URGENT maintenance works for protecting the foundation of Vengalloor Bridge in Thodupuzha LAC

12.1.1: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. Ordinary soil - Depth upto 3 m - Manual Means

OD129808/2025-2026:RING BUND Type II- Putting up ring bund with earth filled gunny bags of top width 1.0m bottom width 2.0m height 2.0m and filling in between with earth to form ring bund and maintaining the same leak proof till the completion of the work and clearing the site by dismantling the bund after completion of the work etc., complete.

OD91316/2024-2025:BAILING OUT WATER USING PUMP ABOVE 30HP AND UPTO 40HP-Bailing out water with engine and pump set above 30HP and upto 40HP, including conveyance to site and erection, cost of fuel, lubrication oil and other stores, pay of staff etc. complete

OD91314/2024-2025:Supplying and providing HYSD dowel bars of size 20 mm dia , 1.5m long (1m in rock and 0.5 m in concrete ) including drilling holes of 25mm dia and filling the gap with cement grout ( 0.25kg/each) etc complete

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

13.5.E.P.1:Plain/Reinforced cement concrete in sub-structure complete as per drawing and Technical Specifications RCC Grade M20 - Using concrete Mixer - Height upto 5m

12.40:Supply, Fitting and Placing un- coated HYSD bar Reinforcement in Foundation complete as per Drawing and Technical Specifications

OD74088/2025-2026:Providing MS Grill platform over MS pipe posts of size 40mm dia, 6m long, frames erected including all labour and hire charges for fixing and laying the platform including removal of entire platform after completion of the work.

OD73914/2025-2026:Removing damaged concrete: Loose and delaminated concrete shall be identified and marked before proceeding with the removal. The loose cover concrete including the loose damaged concrete shall be removed upto beyond the corroded bars to a minimum depth of 10 mm behind the reinforcement. Only affected concrete shall be removed and conducting proper investigation, (Good & sound concrete should not be chipped / damaged) by chipping / hacking with chisel and hammer or by mechanical means like light weight chisel hammer, pneumatic chippers, making saw cut at periphery to avoid feather edge for all height and removal and disposal of debris at designated location including all material, labour, tools, temporary supports for structures, electricity, plant and machineries etc. complete as directed by Engineer-in-charge and/or Consultant. Depth of chipping may vary from 20 to 100 mm.