Rehabilitation of Kuthalam Channel and its branch Channels with lining offtake from right bank of Cauvery River at LS 115.000 km in Kuthalam Town of Kuthalam Taluk of Mayiladuthurai District.

Earth work open excavating for foundation in all kinds of soils and sub soils and depositing on bank with initial lead of 10 m and initial lift of 2m except hard rock requiring blasting to full depth as may be directed inclusive of shoring strutting, bailing out water wherever necessary and excluding refilling charges as per standard specification and as directed by the departmental officers.

Earth work excavating for foundation in all kinds of soils and sub soils and depositing on bank with initial lead of 10 m and initial lift of 2 m except hard rock requiring blasting to full depth as may be directed inclusive of shoring strutting, bailing out water wherever necessary and refilling the sides of foundation with excavated earth as per standard specification and as directed by the departmental officers.

Supplying and filling of gravel on bank below cement concrete lining including bed and side slope or apron including the cost of gravel, conveyance of materials, stocking to the standard gauge spreading, consolidation and compacting by power roller etc., complete complying with standard specification and as directed by the departmental officers.

Providing and placing Plain Cement Concrete M20 grade using crushed broken hard granite coarse aggregate (well graded) of nominal maximum size of 20mm and downgraded to I.S specified grading (To achieve the specified characteristic strength of 20 N/mm2 in 28 days) and mixing the ingredients in approved mixer of the placement site by bailing / pumping and diverting wherever necessary placing in layers and vibrating, water curing, finishing the surface with all leads and lifts etc., complete in all respects so as to attain the profile and strength specified in the approved drawing and specifications, Charges for placing, spreading and finishing concrete surface to the required width and depth to a required length using concrete paver machine and including charges for operator and helpers of paver machine, skilled masons, Mazdoors for positioning & lifting rails, fixing channel, pushing trolleys etc., charges for wetting the existing bed surface before laying concrete for canal bed and also including cost of hire charges of paver machine, generators with fuel charges, and other miscellaneous charges, etc., complete complying with standard specification and as directed by the departmental officers.

Providing and placing Plain Cement Concrete M20 grade using crushed broken hard granite coarse aggregate (well graded) of nominal maximum size of 20mm and downgraded to I.S specified grading (To achieve the specified characteristic strength of 20 N/mm2 in 28 days) and mixing the ingredients in approved mixer of the placement site by bailing / pumping and diverting wherever necessary placing in layers and vibrating, water curing, finishing the surface with all leads and lifts etc., complete in all respects so as to attain the profile and strength specified in the approved drawing and specifications, etc., complete complying with standard specification and as directed by the departmental officers.

Supplying and erecting steel centering for sides and soffits without strutting for plain surface with all cross bracings using Mild steel sheets of size 90cm x 60cm. Thickness of B.G. 10 stiffened with welded Mild steel angles of size 25 x 25 x 3mm for boarding laid over country wood joists of size 10cm x 6.5cm spaced at 90cm. Center to center etc., complete complying with standard specification and as directed by the departmental officers.

Providing and fixing pre-cast cylindrical porous plug of 75mm dia, 300mm length in porous concrete CC 1:0:4 as shown in the drawings with filter having size 0.40x0.40x0.40m sand and 12mm to 40mm coarse aggregate mixed with 1/3 sand, 0.25x0.25x0.25m including excavated separators filter material including cost of asll materials, labour incidental charges etc complete complying with standard specifications and as directed by the departmental officer.

Providing and filling with Sealant materials Longitudinal & Transverse expansion/contraction joint after throughly cleaning all the joints @2.70/2.10m c/c as shown in the drawings and finishing the surface face to match with lining should be provided at intersection of every cross masonry structures along the length of the canal and at locations specified in the drawing including cost of asll materials, labour incidental charges etc complete complying with standard specifications and as directed by the departmental officers

Supplying and filling with M.sand for foundation and basement in layers of not more than 15 cm thick including watering, consolidation etc., complete complying with standard specification and as directed by the departmental officers.

Supplying and laying of Interlocking paverblock stone 60mm thick over a base layer of crused stone sand filling including cost of materials laying and labour charges etc., complete complying with standard specification and as directed by the departmental officers.

Earth work excavation deploying earth moving Machineries for desilting channel having a width of upto 3m and forming bund on either side and depositing the earth on banks including jungle clearance etc. complete complying with standard specifications and as directed by the departmental officers

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