Bridge Construction Tenders

2.4.2.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 Prestressed / reinforced cement concrete grade M-20 & above - By Mechanical Means

on sides of masonry work / block work / RCC work, in any shape, in CM 1:3 (1 cement : 3 fine sand)

Construction of un-reinforced , plain cement concrete pavement, thickness as per desingn, over a prepared sub base, with 43 grade cement or any other type as per Clause 1501.2.2 M30 (Grade), coarse Aggregate not exceeding 25 mm, mixed in a concrete mixer of not less than 0.2 cum capacity and appropriate weigh batcher using approved mix design , laid in approved fixed side formwork (steel channel, laying and fixing of 125 micron thick polythene film, wedges, steel plates including levelling the formwork as per drawing), spreading the concrete with shovels, rakes, compacted using needle, screed and plate vibrators and finished in continuous operation including provision of contraction and expansion, construction joints, near approaches to bridge/ culvert and construction joints, admixtures as approved, curing of concrete slabs for 14-days, using cruing compound (where specified) and water finishing to lines and grade as per drawing and technical Specification clause 1501.(AR)

Foundation:- Providing and Constructing Temporary Island 24 m diameter for Construction of Well Foundation for 6 m dia. Well. Assuming depth of water 4.0 m and height of island 4.5 m.

Repair & Rehabilitation of divertion bridge Providing and Painting of structural steel surfaces of bridge members by grit blast cleaning or centrifugal blasting with a suitable abrasive materials like crushed slag in accordance with clause-III of IS 6586 : 1989 immediately before painting , to make the surface free from grease, oil, rust and other foreign materials. The rate includes supply of abrasivesand,fuel, cost of paint including all transportation, lead, lift and labour charges, consumables, tools & plants complete in all respect but exclusive of cost for staging/scaffolding. Painting of approved Zinc-phosphate primer of DFT 65 micron followed by finish coat of Micaceous iron oxide pigmented drying oil type paint of DFT 75 micron.