Details: construction of cold weather bamboo bridge overall width of 3.70 m and clear road way 3m with jungle wood post 20cm to 25cm dia 5nos .in each rows and rows being 2.10m apart except for the navigable span which should be 3m post to be driven at leat 180cm or more below ground level including providing 20cm to 25cm centre to centre and placed over 20cm dia , jungle wood dham ,15cm dia jungle wood bracing collar fixed by bolts and nuts , staps etc , mature bholuka bamboo cross groth all closely packed and tied 75 cm wide track way made from 38cm thick 1st class local plank fixed on 75 mmx 100mm first class local wood battens 120cm apart and 3 lines of jati bamboo horizontal railling fixed in bholuka bamboo post placed at 210cm apart and white washed including all necessary nuts and bolts , coir ropes , struts, nails etc complete with a layer of brushwood to exposedportion out side trackway with earth topping complete as per direction of the department excavation for structures (earth wo
Sector: Road development