Extension of A/E works of Dehing bund L/B from Joongaon to Laibeel at Garukhuti area.

Medium Jungles :- Clearing medium jungles and trees up to 15cm girth including cutting , uprooting roots and stumps, removing them from the site of the work etc. complete as directed. ( When 30% to 60 % of the area is covered by shrubs , trees etc.)

Cutting bamboo, uprooting roots & stumps including removing them from the site of work etc. Complete as directed.

Felling trees including uprooting roots and stumps up to 50 cm. below ground, cutting into pieces and removing the same from the site of work as directed.Trees above 0.50m and up to 1m girth.

Supply of Pre-stressed Cement Concrete (PSC) Porcupine members of size 0.10m x 0.10m x 3.00m with M-30 grade of cement concrete conforming to IS 1343:2012 using super- plasticizer @ 1.2 ltr/bag of cement with graded broken course aggregate up to 20mm size down and reinforced to IS 10262: 2009 & IS 456: 2000 and reinforced with 4 nos of 4mm dia high tensile steel wire cable / strand with necessary cover and 4mm high tensile stirrups at 250mm C/C , in conformity with IS-6403 : R2002 and stressed to required strength not execeding 9.18 N/mm, holes of 16mm dia at 50cm inside from both ends in the same face and in either face of post another 2 nos of holes of size 16mm dia at 65mm inside from both ends including properly curing for 21 ( twenty one ) days and carriage of porcupine members from factory to the stack yard within a distance up to 50km including loading, unloading & stacking complete as directed.

Labour charge for launching of PSC Porcupine including carriage of PSC Porcupine members of size 0.10m x 0.10m x 3.00m from the stack yard to the place of launching, erection of the Porcupine with 6 (six) members properly, supply & fitting/ fixing with 12mm dia 25cm long M.S Nuts and bolts and launching the porcupine properly as directed . (Lead up to 150m) Launching without boat

Labour charge for launching of PSC Porcupine including carriage of PSC Porcupine members of size 0.10m x 0.10m x 3.00m from the stack yard to the place of launching, erection of the Porcupine with 6 (six) members properly, supply & fitting/ fixing with 12mm dia 25cm long M.S Nuts and bolts and launching the porcupine properly as directed . (Lead up to 150m) Launching with boat

Supplying, fitting and fixing RCC guard post 150cm long erected 75cm above the ground and 75cm below the ground with M-15 grade (nominal mix 1:2:4 with broken stone aggregate upto 20mm size) of cement concrete and required reinforcement tied in position with annealed black wire including centering, moulding the top, curing including painting concrete surfaces in 23cm strips upto 0.75m from the top alternately in black and white and having 2 nos. reflective band of desired shade etc. complete as per design and as directed. 16.28(b).15 cm dia. RCC guard post with reinforcement of 4nos. 12mm dia TMT main steel bars and 6mm TMT/ MS stirrups at 15cm c/c.

Earth work in bank trimming to the designed section / slope by mechanical means including removing the trimmed soils to a minimum distance of 30m , complete as directed.

Earth work in excavation of drainage channel by mechanical means to the proper grade and slopes as required including disposing the excavated debris/soil to a safe distance of minimum 50 m distance, etc. complete as directed. For lead up to 50 m and all lifts Normal Soil

Supply of Geo-textile bags of type-A (1.03 × 0.70 m) inner to inner made of Geo-textile non-woven fabric sheets of 400 GSM manufactured from 100% virgin Polypropylene (PP) fibre with minimum properties as per IS 16653:2017 i. Wide Tensile strength (MD) ≥ 20KN/m & Wide Tensile strength(CD) ≥20 KN/m ii. Elongation (MD) ≥50% & Elongation (CD) ≥ 50% iii. Abrasion ≥ 95% iv. Trapezoidal Tear Strength (MD) ≥ 450N & Trapezoidal Tear Strength (CD) ≥ 450N v. CBR Puncture strength ≥ 4000N vi. Permittivity ≥ 1.10s – 1 vii. Permeability ≥ 40l/m2/sec viii. AOS ≤ 75 micron ix. UV Resistance @ 500 hours retained Tensile strength (MD) & (CD) ≥ 80% x. Mass ≥ 400 gm/m² xi. Thickness at 2KPa ≥ 3 mm xii. Seam strength ≥ 80 % of actual fabric strength. Stitching of Bags should be Ring Spun Yarn stitches with 2500-3000 denier double line chain stitch with overlap with stitches along the edge @ minimum 15 stitches per 100 mm. (Bags are to be supplied of 100 numbers in a bundle, properly packed with each bag having proper tag with name of Manufacturer, Batch Number, the GSM and type of polymer encrypted and stitched on top corner and each bag is to be marked with “WRD Govt. of ASSAM” to be printed distinctly. Test Certificate from approved NABL accredited and ISO (Certified Laboratory should invariably be submitted against each batch of material)