Conservation, Restoration and Rejuvenation works of the Udmari Chora Beel of Dhubri District under Assam SWIFT Project

DE-WEEDING Clearance of different types and nature of Water Hyacinth, Aquatic weeds, Taranies, Dalanies, Pitanies, repeated vegetation etc. from Beels/ Tanks/ Ponds/ swampy and marshy areas dragging manually /mechanically/ through machinery etc. with necessary ropes, bamboos, chains and other debries devices etc. making patches, cutting into pieces with the help of knifes/ sickles/ sews as necessary and depositing and stocking in the marginal areas of the beels/ tanks/ ponds/ swampy and marshy areas in a regular form of bundhs or heaps within a lead of 100 m and lift up to 2.50 m as per direction of the deptt. etc complete (pushing out the patches or pieces of vegetations may also be made through the connecting channels with the river and burning the lifted vegetation after sunshine as and when applicable). i) Thin and floating water hyacinths and other aquatic weeds etc.

Clearance of different types and nature of Water Hyacinth, Aquatic weeds, Taranies, Dalanies, Pitanies, repeated vegetation etc. from Beels/ Tanks/ Ponds/ swampy and marshy areas dragging manually /mechanically/ through machinery etc. with necessary ropes, bamboos, chains and other debries devices etc. making patches, cutting into pieces with the help of knifes/ sickles/ sews as necessary and depositing and stocking in the marginal areas of the beels/ tanks/ ponds/ swampy and marshy areas in a regular form of bundhs or heaps within a lead of 100 m and lift up to 2.50 m as per direction of the deptt. etc complete (pushing out the patches or pieces of vegetations may also be made through the connecting channels with the river and burning the lifted vegetation after sunshine as and when applicable). ii) Thick and floating water hyacinths and other aquatic weeds etc.

DE-SILTING & EXCAVATION Removal of unsuitable soil including excavation, loading and disposal upto 1000 m lead from the beds of Beels/Tanks/ Ponds/ Swampy lands to the proper grade and slopes as required and utilizing the soil in construction of embankment or repairing of existing embankment on all sides, lifting in uniform layers not exceeding 20 cm thick (excluding compaction), clearing light jungles and trees up to 50 cm girth from the site of work, dug belling, profiling, ploughing or roughening or benching the seat, breaking clods up to 25 mm cube ramming, removing roots and vegetation, dressing to the designed section complete as directed. All kind of soil. Peripheral Bund with de-silted soil (8100 Cum) Rearing Tank bund with de-silted soil (5640 Cum) Silt Tap construction with de-silted soil (371 Cum)

Earthwork in excavation for structures as per drawing and technical specifications Clause305.1 including setting out, construction of shoring and bracing, removal of stumps and other deleterious material and disposal upto a lead of 50m, dressing of sides and bottom and backfilling in trenches with excavated suitable material. Ordinary soil Upto 3 m depth HP Culvert (133.02 cum) Check Dam (69.498 cum)

Earth work in excavation by mechanical means (Hydraulic excavator) /manual means in foundation trenches or drains (not exceeding 1.5 m in width or 10 sqm on plan), including dressing of sides and ramming of bottoms, lift upto 1.5 m, including getting out the excavated soil and disposal of surplus excavated soil as directed, within a lead of 50 m. All kinds of soil (for Footing)

Earth work in excavation by mechanical means (Hydraulic excavator)/ manual means over areas (exceeding 30 cm in depth, 1.5 m in width as well as 10 sqm on plan) including getting out and disposal of excavated earth lead upto 50 m and lift upto 1.5 m, as directed by Engineer-incharge All kinds of soil Septic Tank (5.82 Cum) Stagging Post for water tank ( 0.73 Cum)

EARTHWORK IN APPROACH ROAD Construction of embankment with approved material obtained from borrow pits with a lift upto1.5m, transporting to site,spreading, grading to required slope and compacting to meet requirements of Tables300.1 and 300.2 with a lead upto 1000 m as per Technical Specification Clause 301.5 i) Private Land Construction of Approach Road (82.5 Cum)

SLOPE PROTECTION Furnishing and laying of the live sods of perennial turf forming grass on embankment slope, verges or other locations shownon the drawingor as directed by the Engineer including preparation of ground, fetching of sods and watering as per Technical Specification Clause 309. For Slope Protection (Rearing Tank=6048 cum) For Slope Protection (Peripheral Bund=5848.2 cum) For Slope Protection (Silt trap=381.6 cum)

PEN CULTURE Construction of Pen Culture with Bamboo (1st Class) 85 mm - 100 mm dia, 4.5 m - 5.5 m long, vertically placed at 2.00 m centre to centre driven 1.50 m below ground/bed level and 2.50 m above ground/bed level tied with Jati or Bethua bamboo 50mm to 100 mm dia and 6m long above groung level horizontally in two rows at 2.00 m apart, Fencing with split bamboo kamis in horizontal direction at 300 mm c/c and vertical direction at 800 mm c/c having tied with coconut fiber two poly twisted rope etc. manually with provision of hired country boat (2 nos.), fitting and fixing of PEN culture Net 115 GSM HDPE mono shade, 45 ply Nylon, 210D, 24 mm mesh size net with boarder rope of 10 mm dia Polypropylene and tie rope in every 2 meter intervals conforming to technical requirement of Textiles - Twisted Nylon Fish-Net Twines as per IS 4401-2006, complete as per drawings and technical specifications as directed by Engineer in-charge. (0.5 Hect 1Nos, 0.2 Hect 3Nos)

KATAL FISHING Erection of Fish Agregating Device as Katal / Jeng Fishing circular structure at Beel/ Wetland covering 0.25 Ha water area with Bamboo Bholuka or Barua 55mm to 100mm dia and 6m long vertical member placed at 3.00 m centre to centre, Jati or Bethua Bamboo 50mm to 100 mm dia and 6m long tie horizontally with vertical members (Kamis)- one row and Inclined members (strut) to support each vertical member driven 2.00 m below the ground/bed level and 3.50 m to 4.00 m above the ground/bed level tied with coconut fiber two ply twisted rope etc. manually with provision of hired country boat complete as per drawings and technical specifications as directed by Engineer in-charge. (0.1 Hect 4Nos)