NHIDCL / RO-SHG / Ranikor-Maheshkhola - Baghmara /SH-4/2025/01/

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 materials.) B i) Depth upto 3 m

Plain cement concrete complete as per drawing and Technical specifications. PCC Grade M15

Gabion Structure for retaining earth (providing and constrcution of a gabion structure for retaining earth with segments of wire crates of size 7 m * 3m * 0.6 m each divided into 1.5 m compartments by cross netting, made from 4 mm galvanised steel wire @ 32 kg per 10 sqm having minimum tensile strength of 300Mpa conforming to IS:280 and galvanizing coating confirming to IS:4826, woven into mesh with double twist, mesh size not exceeding 100 * 100 mm, filled with boulders with least dimension of 200 mm, all loose ends to be tied with 4 mm galvanised steel wire)

Providing and laying CE Marked Needle Punched and Mechanically Bonded Non-Woven Geotextile (TechGeo) indigenously manufactured from high quality polypropylene staple fibres (continuous filament will not be accepted) of Techfab India on the prepared subgrade for separation, drainage & filtration application with necessary overlaps as per drawing etc. complete. (Specification: MORTH Section-700 ) with prior approval of concerned Superitending Engineer. (Including Labour Rate) TFI TECHGEO PR-20

Back filling behind abutment, wing wall and return wall complete as per drawing and Technical specification.

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