Construction of RCC Bridge- 1/1, Tangabari to Mwkwnaguri road over River Kunibhur.

A. Foundation Construction of cold weather Bamboo bridge overall width of 3.70m and clear road way 3m with jungle wood post 20cm to 25cm dia 5nos. In each rows and rows being 2.1m. apart except for the navigable span which should be 3m. Post to be driven at least 180cm. or more below ground level including providing 20cm to 25cm center to center and placed over 20 cm dia, jungle wood dham, 15cm dia. jungle wood bracing collar fixed by bolts and nuts, straps etc. mature bholuka Bamboo cross groth all closely packed and tied 75cm wide track way made from 38mm thick 1st class local plank fixed on 75mmx100mm first class local wood battens 120cm apart and 3 lines of jati bamboo horizontal railing 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 exposed portion out-side trackway with earth topping complete as per direction of the department.

Excavation for Structures (Earth work in excavation of foundation of structures as per drawing and technical specification, including setting out, construction of shoring and bracing, removal of stumps and other deleterious matter, dressing of sides and bottom and backfilling with approved material. B . Mechanical Means, (I) Without dewatering (i) upto 3 m Depth

Bored cast-in-situ M35 grade R.C.C. pile excluding reinforcement complete as per drawing and technical specifications and removal of excavated earth with all lifts and lead upto 1000 m. (Pile diameter-1200 mm)

Levelling course for Pile Cap

Cement concrete for reinforced concrete in pile cap complete as per drawing and Technical Specification. RCC Grade M35 Using Batching Plant, Transit Mixer and Concrete Pump

Reinforcement in Foundation: Supplying, fitting and placing TMT IS:1786 Fe500 D bar reinforcement in foundation complete as per drawing and technical specifications. TMT-IS 1786 ( Fe-500 D) Primary Producer (TATA/ SAIL/ Essar Steel/ Jindal panther steel/ Shyam steel or equivalent)

Pile load test on single vertical pile in accordance with IS:2911(Part-IV). a). Initial and Routine load test.

b) Lateral load test

Integrity testing of pile using pile driving analyser or equivalent as approved by Engineer in charge and detailed in specification. Test to be carried out by approved reputed agency. Item to be include all incidental work to execute the job.

B. Substructure Plain/Reinforced cement concrete, in sub structure complete as per drawing and technical specification and steel shuttering formwork, Without plasticiser, RCC Grade M35, With Batching Plant, Transit Mixer and Concrete Pump Height upto 5m