Special Repairs to KGRP Dam Left Main Canal at LS 4200m to 5900m in Thirumalvadi Village of Palacode Taluk in Dharmapuri District

Clearing scrub jungle including removal of stumps roots and disposing of the same etc. complete complying with standard specifications and as directed by the departmental officers.

Earth work excavating and depositing on bank with initial lead of 10m & initial lift of 2m in Sand, silt or other loose soil, wet sand or silt not under water, light black cotton soil, sandy loam and ordinary soil including excavated earth etc. complete complying with standard specifications and as directed by the departmental officers.

Earth work in all soils except hard rock requiring blasting and conveying for formation of bund with lead of 0 to 100 metre deploying earth moving machinery and tippers including benching, formation of bunds, breaking clods, sectioning etc. complete complying with standard specifications and as directed by the departmental officers.

Earthwork excavation for foundation in all soils inclusive of refilling the sides of foundation, shoring, strutting and bailing out water wherever necessary, well rammed, consolidated and depositing the surplus earth in places as shown by the departmental officers with an initial lead of 10 (Ten) metres and initial lift of 2 (Two) metres and clearing, leveling the site etc. complete complying with standard specifications and as directed by the departmental officers.

Providing and placing in position Plain cement concrete M. 10 grade using machine broken hard granite coarse aggregate (well graded) of nominal maximum size of 40mm and down graded to IS specified grading (to achieve the specified characteristic strength of 10 N / mm2 in 28 days) weigh batching the ingredients and mixing in approved mixers including dewatering the placement site by baling / pumping and diverting water wherever necessary placing in layers, watering, curing, finishing the surface with all leads and lifts etc., complete in all respects so as to attain the profile specified in the approved drawing, cost and conveyance of all materials and scaffolding wherever necessary, etc. complete complying with standard specifications and as directed by the departmental officers.

Random Rubble Masonry in Cement Mortar 1:4 (one part of cement and four parts of sand) using old hard granite stones and bond stones including simultaneous pointing with same mortar on the exposed surface and all incidential charges, bailing out of water, watering, finishing, curing,etc. complete complying with standard specifications and as directed by the departmental officers.

Removing and Repacking of rough stone dry packing for apron or revetment using available old stone stacking with 40 m lead stacking pre measurements etc. complete complying with standard specifications and as directed by the departmental officers.

Pointing the existing random rubble masonry with cement mortar 1:3 (One cement three sand) to full depth for side slopes including the cost of watering, curing, finishing etc. complete complying with standard specifications and as directed by the departmental officers.

Plastering in Cement mortar 1:3 ( One cement three sand by volume ) 20 mm thick including finishing, curing using mixer machine for mixing mortaretc. complete complying with standard specifications and as directed by the departmental officers.

Providing and placing Plain Cement concrete M15 grade with well graded aggregates and the nominal maximum size of coarse aggregate of size 20 mm graded weigh batching the ingredients and mixing in approved mixers/batching plant (to produce concrete of the specified characteristic strength of 15N/mm2 at 28days) including dewatering the placement site by bailing/pumping and by diverting wherever necessary laying the concrete in layers and in bays vibrating, compacting and finishing the surface water curing so as to attain the profile and strength specified in the approved drawing and specification excluding the cost component of providing centering for soffits but including all leads and lifts etc. complete complying with standard specifications and as directed by the departmental officers.