Conservation, Restoration and Rejuvenation works of the Na-Kalong Beel of Nagaon District under Assam SWIFT Project

Weeds clearance : 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.

Weeds clearance : 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.

Weeds clearance : 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). iii) Thick and floating Taranies,Dalanies, Pitanies and other marginal aquatic weeds etc. upto a depth of 50 cm.

Weeds clearance : 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). iv) Medium and floating Taranies,Dalanies, Pitanies and other marginal aquatic weeds etc. upto a depth of 50 cm to 80 cm

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. The de-silted soil is utilised for construction peripheral bund, rearing tank bund and Approach Road

TURFING: 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.

Hume pipe laying at Bund : Providing and laying reinforced cement concrete pipe NP3 for culverts on first class bedding of granular material in single row including fixing collar with cement mortar 1:2 but excluding excavation, protection works, backfilling, concrete and masonry works in head walls and parapets Clause 1106..........NP3 HP...600 mm dia

CONSTRUCTION OF SUBGRADE AND EARTHEN SHOULDERS: Construction of subgrade and earthen shoulders with approved material obtained from borrow pits with all lifts and leads, transporting to site, spreading, grading to required slope and compacted to meet requirement of Table 300.2 with lead upto 1000 m as per Technical Specification Clause 303.1. (ii)Govt. Land For Approach Road

SITE CLEARANCE IN APPROACH ROAD : Clearing and grubbing road land including uprooting wild vegetation, grass, bushes, shrubs, saplings and trees of girth upto 300 mm, removal of stumps of such trees cut earlier and disposal of unserviceable materials and stacking of serviceable material to be used or auctioned, upto a lead of 1000 m including removal and disposal of top organic soil not exceeding 150 mm in thickness as per Technical Specification Clause 201. By Manual Means-, In area of non thorny jungle For Approach Road

COMPACTING ORIGINAL GROUND: Compacting original ground supporting subgrade Loosening of the ground up to a level of 300 mm below the subgrade level, watered, graded, and compacted in layers to meet requirements of Tables 300.1 and 300.2 for subgrade construction as per Technical Specification Clause 303.5.2. For Approach Road