GENERAL Bridge safety work 2025 2026 Safety work for various bridges under bridges section Alappuzha for Alappuzha Cherthala and Aroor LAC General Civil Work

Safety work for various bridges under bridges section Alappuzha for Alappuzha, Cherthala and Aroor LAC

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

55.38a:Providing and erecting a "W" metal beam crash barrier comprising of 3 mm thick corrugated sheet metal beam rail, 70 cm above road/ground level, fixed on Structural Steel c section vertical post, 150 x 75 x 5 mm spaced 2 m centre to centre, 1.8 m high, 1.1 m below ground/road level, all steel parts and fitments to be galvanised by hot dip process, all fittings to conform to IS:1367 and IS:1364, metal beam rail to be fixed on the vertical post with a spacer of structural steel c section 150 x 75 x 5 mm, 330 mm long complete as per clause 811.3.

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.

OD70905/2025-2026:Filling up potholes with bituminous readymix compound (25kg bag) and compacting and ramming to get a compact surface including laying charges,transportation to the site etc complete rate is arrived for 1 bag

OD70906/2025-2026:Engaging wood cutter for cutting logs and trees in to small pieces etc ..complete

OD70907/2025-2026:Hire charges for Motorized chainsaw including fuel charges

OD70908/2025-2026:Engaging labour for clearing shrubs grown over bridges, clearing choked drains near bridges, ventway clearances and approach rectification activities

OD214686/2025-2026:Providing and applying 2 coats of water based cement paint to unplastered concrete surface after cleaning the surface of dirt, dust, oil, grease, efflorescence and applying paint @ of 1 litre for 2 sqm.

Rehabilitation of bridges

OD71130/2025-2026:Guniting concrete surface with cement mortar applied with compressor after clearing surface and spraying with epoxy complete as per technical specification

OD71131/2025-2026:Hire charge of boat including boat man, fuel and all other expense etc. complete

OD71132/2025-2026:Providing and fixing double scaffolding system (cup lock type) on the exterior side, upto seven story hight made with 40 mm dia. M.S. tube 1.5 m centre to centre, horizontal & vertical tubes joining with cup & lock system with M.S. tubes, M.S. tube challies, M.S. clamps and M.S. staricase system in the scaffolding for working platform etc. and maintaining it in a serviceable condition for the required duration as approved and removing it there after. The scaffolding system shall be stiffened with bracings, runners, connection with the building etc wherever required for inspection of work at required location with essential safety features for the workmen etc. complete as per directions and approval of Engineer- in Charge. The elevational area of the scaffolding shall be measured for payment purpose. The payment will be made once irrespective of duration of scaffolding. Note:- This item to be used for maintenance work judicially, necessary deduction for scaffolding in the existing item to be done .

13.6:Supplying, fitting and placing HYSD bar reinforcement in sub-structure complete as per drawing and Technical Specifications