GENERAL-Bridge Safety-Ordinary Repair of Puthuval bridge,Arattuvazhy-2 bridge and Arattuvazhy-3 bridge in Vypin Constituency.- Bridge Safety-General Civil Work

Rehabilitation of bridges

OD65567/2025-2026:Hire charge of boat including boat man, fuel and all other expense etc. complete

OD63184/2025-2026:Drilling holes through the slab and beam for anchoring steel bars.

OD65307/2025-2026:Encasing the deteriorated surface with micro concrete so has to get a uniform size. Applying epoxy bonding agent on the existing concrete surface so as to get a well bonding with the new surface. The rate shall include the cost of material, labour charges of generator. All complete as per manufacture specification and as per the instruction of Engineer in Charge.

2.4.4.B:Dismantling of existing structures like culverts, bridges, retaining walls and other structure comprising of masonry, cement concrete, wood work, steel work, including T&P and scaffolding wherever necessary, sorting the dismantled material, disposal of unserviceable material and stacking the serviceable material with all lifts and lead of 1000 metres Dismantling Stone Masonry - Rubble stone masonry in cement mortar.

OD63187/2025-2026:Random rubble masonry using departmental rubble in foundation and plinth including through and bond stone and levelling up with cement concrete 1:6:12 (1 cement : 6 coarse sand : 12 graded stone aggregate with cement concrete 1:6:12 (1 cement : 6 coarse sand :12 graded stone aggregate 20mm nominal size) upto plinth level with cement mortar 1:6 (1cement : 6course sand) 12 graded stone aggregate 20 mm nominal size) upto plinth level with Cement mortar 1:6 (1 cement : 6 coarse sand).

12.7.B:Random Rubble Masonry (coursed/uncoursed ) Work in Cement Mortar 1:3 in Foundation complete as per Drawing and Technical Specifications.

14.2:Supplying, fitting and placing HYSD bar reinforcement in super-structure complete as per drawing and technical specifications

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

16.8:Applying epoxy mortar over leached, honey combed and spalled concrete surface and exposed steel reinforcement complete as per Technical Specification

16.11:Eproxy bonding of new concrete to old concrete

Routine maintenance

2.3.1.A:Clearing and grubbing road land including uprooting rank vegetation, grass, bushes, shrubs, saplings and trees girth up to 300 mm, removal of stumps of trees cut earlier and disposal of unserviceable materials and stacking of serviceable material to be used or auctioned, up to a lead of 1000 metres including removal and disposal of top organic soil not exceeding 150 mm in thickness In area of light jungle - By Manual Means

OD63189/2025-2026:Engaging man mazdoor for clearing silt from the deck slab of bridge, vegetation growth on sub structure, hand rails etc, complete

8.15:Supplying and installation of delineator (Roadway indicators) posts 80- 100cm high above ground level, pained black, and white in 15 cm wide strips, fitted with min. 80 x 100 mm rectangular or 75 mm dia circular retro reflectorized panels at the top with minimum visibility of 300m with provisions to prevent edge lifting and vandalisam, and conforming to clause 806 , IRC-79 and the drawings including fixing to ground (The deleniator shall be of approved type as per specification)

Maintenance

13.52.2:Finishing with Epoxy paint (two or more coats) at all locations prepared and applied as per manufacturer's specifications including appropriate priming coat, preparation of surface, etc. complete.On concrete work

14.1.2:Repairs to plaster of thickness 12 mm to 20 mm in patches of area 2.5 sq meters and under, including cutting the patch in proper shape, raking out joints and preparing and plastering the surface of the walls complete, including disposal of rubbish to the dumping ground within 50 meters lead:Cement mortar 1:4 ( 1 cement: 4 coarse sand)