CRIF(Setu Bandhan)/Morigaon/2025-26/05

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

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.

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.

(a)Providing an construcyion of temporary island to accommodate pile rig and other accessories including casting of pile cap, all complete in depth of water up to 400 cm.

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

Pile load test on single vertical pile in accordance with IS:2911(Part-IV). B. (Lateral load test)

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

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)

MS Liner for bored cast in situ concrete pile Providing and installing 6mm MS liner for bored cast in situ concrete pile including applying protective coating as per drawing and technical specification and as directed by Engineer in charge.

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,backfilling the excavated earth to the extent required and utilising theremaining earth locally for road work. ii) Ordinary rock (not requiring blasting). B) Mechanical Means (Depth upto 3 m). ( With dewatering )