G E N E R A L - M a i n t e n a n c e e s t i m a t e f o r n j a n d u k a l l u b r i d g e - M a i n t e n a n c e o f Njandukallu bridge located in Theekkoy - Kalathukdavu road in Poonjar constituency in Kottayam district-General Civil Work

Maintenance works

OD283639/2025-2026:Engaging man mazdoor for removing vegetation and accumulated earth, clearing spouts etc. complete

OD283635/2025-2026: Random Rubble Masonry Work using departmental rubble(coursed/uncoursed )in Cement Mortar 1:6 for parapet etc. complete as per Drawing

OD283634/2025-2026::Dry rubble masonry for foundation and superstructure including all cost as per design and drawings

OD283636/2025-2026: RING BUND Type II Putting up ring bund with earth fille gunny bags of top width 1.0m bottom width 2.0m height 2.0 m side 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. (EW 3.1 MORTH).

OD283638/2025-2026:supplying and providing HYSD Dowel bar of size 20mm dia 1.50m long(1.00m in rock and .50m in concrete)

OD283637/2025-2026:Bailing out water Using 5HP Pump- Bailing out water with 5HP engine and pump set including conveyance to site and erection,cost of fuel, lubrication oil and other stores, pay of staff etc complete

12.8.G.1.1:Plain/Reinforced Cement Concrete in Open Foundation complete as per Drawing and Technical Specifications. RCC Grade M30 - Using Concrete Mixer

12.8.H.1.1:Plain/Reinforced Cement Concrete in Open Foundation complete as per Drawing and Technical Specifications. RCC Grade M35 - Using Concrete Mixer

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