GENERAL-Bridge Safety Works - Kumbalangi Perumpadappu Bridge-Bridge Safety works - Kumbalangi Perumpadappu Bridge - Maintenance work for Approach road-General Civil Work

Detailed Estimate

OD116704/2024-2025:Engaging wood cutter for cutting trees and branches standing in dangerous condition

OD116705/2024-2025:Hiring chainsaw with motor for wood cutting

OD116816/2024-2025:Engaging mobile crane with all accessories

OD116851/2024-2025:Engaging man mazdoor for clearing silt from the deck slab of bridge, vegetation growth of sub structure, hand rails etc complete.

3.16:Construction of embankment with approved material obtained from borrow pits with all lifts and leads, transporting to site, spreading, grading to required slope and compacting to meet requirement of table 300-2.

12.1.B.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 3m - Mechanical Means

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.1:Plain/Reinforced Cement Concrete in Open Foundation complete as per Drawing and Technical Specifications PCC Grade M20

15.4.A:Providing and laying Pitching on slopes laid over prepared filter media including boulder Stone/Boulder apron laid dry in front of toe of embankment complete as per drawing and Technical specifications

16.1:Removal of existing cement concrete wearing coat including its disposal complete as per Technical Specification without causing any detrimental effect to any part of the bridge structure and removal of dismantled material with all lifts and lead upto 1000 m

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

OD116826/2024-2025:Cleaning the expansion joint properly with a wire brush and coir brush, fitting aluminum strips dura rod on the joints at 10cm interval for holding the hose, providing polysulphide sealant for expansion joint.etc.complete for expansion joints of the bridge.

OD129378/2024-2025: Micoconcrete with Epoxy bonding agent and Curing compound. Encasing the deterioted surface micro concrete so as to get a uniform size. Appying epoxy bonding agent on the existing concrete surface so as to get a well bonding with the new substract. Curing compund shall be applied immediately after setting the concrete. Two coats of saline based corrosion inhibitor, on the treated concrete surface so as to reduce the chloride ion attack. The rate shall include the cost of material, labour charges, hire charges of mixer machine. All complete as per manufactures specification and as per the instruction of engineer in charge.