CRIF(Setu Bandhan)/Biswanath/2025-26/13

Labour for dismanteling all members of the timber bridge (except piles) and stacking them at sutiable places as directed( all members will be under custody of the contractor till taken over by th department.)scarfing and joining piles 25 cm to 30 cm dia Dressed to heartwood 90 cm. In length includng supplying, fitting and fixing with 2 nos. of 50 mmX 10 mm MS FI clamps and 16 mm dia MS bolts and nuts etc. complete as directed

Labour for taking out old piles of the bidge and stacking them at suitable place as directed

Construction of temporary Bamboo bridge of 3.70m clear road way with Bholuka or Barua Bamboo post 5nos. in each rows driven at least180cm. below ground level and rows not more than 150cm apart from center to center Bholuka or Barua Bamboo dham longitudinal groth both closely placed and tied with half bamboo 90cm to 120cm apart in both layers and ttwo layers of jati bamboo chattais ( top layer should be digonally woven), 70 mm to 100 mm thick brushwood in between chattias should be tied with half jati bamboo on both ends, bamboo railing with bholuka or barua bamboo post placed at150cm apart jati or betua bamboo hand rails of two lines both side of every alternate rows.All tying must be done with cane or coir string and only mature bamboo should be used in work.

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. Ordinary Soil. Manual Means. i)Without dewatering upto 3.0m 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-1000 mm)

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

Pile load test in single vertical pile in accordance with I.S.2911(Part-IV). ii) Leteral Load Test

Cement concrete for reinforced concrete in pile cap complete as per drawing and Technical Specification 1100,1500 & 1700. B) RCC grade M-25 (i) Using concrete mixure.

Levelling course for Pile cap

Reinforcement in Foundation: Supplying, fitting and placing un-coated TMT bar reinforcement in foundation complete as per drawing and technical specifications (i) TMT Corrosion Resistant Steel (CRS) reinforcement bar of Fe-500 N/mm2