GENERAL-Bridge Safety Work 2025 - Velinalloor Bridge and Veykkal BridgeEnhancing Safety of Bridges under Kottarakkara Section-Fencing to Velinalloor bridge and Replacing handrail of Veykkal bridge-General Civil Work

Velinalloor bridge

50.10.1:Steel work in built up G I tubular ( round, square or rectangular hollow tubes etc.) trusses etc., including cutting, hoisting,fixing in position and applying a priming coat of approved steel primer, including welding and bolted with special shaped washers etc. complete

16.70.2:Providing and fixing G.I. chain link fabric fencing of required width in mesh size 50x50 mm including strengthening with 2 mm dia wire or nuts , bolts and washers as required complete as per the direction of Engineer-in- charge.Made of G.I wire of dia 4 mm. PVC coated to achieve outer dia. not less than 5 mm in required colour and shade

OD27010/2025-2026:Finishing with Epoxy paint (two or more coats) at all locations prepared and applied as per manufacturer's specifications including, preparation of surface, etc. complete.On steel work

Veykkal bridge

2.2:Clearing grass and removal of rubbish up to a distance of 50 metres outside the periphery of the area

16.18:Replacement of Damaged Concrete Railing.

14.7:Construction of RCC railing of M30 Grade in-situ with 20 mm nominal size aggregate, true to line and grade, tolerance of vertical RCC post not to exceed 1 in 500, center to center spacing between vertical post not to exceed 2000 mm, leaving adequate space between vertical post for expansion, complete as per approved drawings and technical specifications.

13.3:Plastering with cement mortar (1:3 ) on brick work in sub-structure as per Technical Specifications

OD220565/2025-2026:Applying primer coat of water thinnable cement primer of approved brand and manufacturer on wall surface

OD221757/2025-2026:Painting two coats after cleaning the surface with synthetic enamel paint in all shades on concrete surfaces

OD26925/2025-2026:Engaging wood cutters of trees and removal of fell down trees and branches etc complete

OD26926/2025-2026:Hire charges for wood cutting equipments, pulleys etc

OD26929/2025-2026:Engaging daily labour for engaging petty works

55.10.1:Providing and erecting retro-reflectorised Object Hazard Marker 300mm x 900mm Providing and erecting retro-reflectorised Object Hazard Marker sign with 07 years warranty, manufactured as per IRC 67 USING Type IV ASTM D 4956-09 micro prismatic retro reflective sheeting fixed over aluminium sheetig, 2 mm thick / aluminium composit material sheeting 4 mm thick with suitable back support frame and supported on a mild steel angle iron post 75mmx75mmx6mm, firmly fixed 30cm above ground level by means of properly designed foundation with M 15 grade cement concrete 30cmx30x45cm, 45cm below ground level including painting all non-reflective faces with epoxy paint 2 coats over epoxy primer as per approved drawing and clause 801.300 mm x 900 mm

55.14:Providing and fixing retro-reflectorised ceramic tilesProviding and fixing retro-reflectorised ceramic tiles of size 10cmX20cm using High Intensity Micro Prismatic (Type IV) grade sheeting with 7 years warranty fixed over Ist quality ceramic glazed tiles including cost of glue, cutting charges, fixing with suitable adhisive on concrete or other surface etc complete.

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