Rehabilitation of Inspection Bridge cum Regulator across Kaduvai Drain connecting Coleroon Left Bank at mile 21/6 in Anbil Village of Lalgudi Taluk in Trichy District

Dismantling, clearing away and carefully stacking materials useful for re-use for any thickness of walls plain Cement concrete etc. complete complying with Standard Specifications and as directed by the Departmental Engineers.

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, Compacting with power roller etc., complete including coveyance through lorries with a lead of 10 km including loading and unloading etc. complete complying with Standard Specifications and as directed by the Departmental Engineers.

Earthwork excavation for foundation in all kind of soils and sub soils to full depth except hardrock,medium rock,requiring blasting inclusive of shoring,strutting and bailing out water wherever necessary,refilling the sides of foundation with excavated earth in layers of not more than 15cm thick well rammed and compacted and depositing the surplus excavated earth in places shown by the departmental officers with initial lead of 10 meters and initial lift of 2 meters clearing and levelling the site complete complying with standard specifications and as directed by the Departmental Engineers. (Narrow excavation)

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

Providing and placing Plain cement concrete M10 grade using crushed broken hard granite course aggregate (well Graded) of Nominal maximum size of 40mm to Ls specified grading (to achieve the specified characteristicik strength of 10N /mm2 in 28 days) and mixing the ingredients in approved mixer including dewatering of the placement site by baling (pumping and dewatering wherever necessary placing in layers and vibrating water curing finishing the surface with all leades and lifts etc. complete complying with Standard Specifications and as directed by the Departmental Engineers.

Providing and laying in position, Standardised Concrete Mix M-20 Grade in accordance with IS456:2000, using 20mm and downgraded hard broken granite stone jelly for all RCC items of works with minimum cement content of 350kg/m3 and maximum water cement ratio of 0.50, including admixture (palsticiser/super plasticiser) in recommended proportions as per IS9103 to accelerate, retard setting of concrete, improve workability without impairing strength and durability with about (5.0 cu.m) 7730 Kg of 20mm machine crushed stone jelly and with about(3.3 cu.m) 5156 kg of 10-12mm machine crushed stone jelly and with about(4.79 cu.m) 7670 kg of sand, but excluding cost of reinforcement grill and fabricating charges, centring and shuttering and also including laying, vibrating with mechanical vibrators, finishing, curing, etc., and providing fixture without claiming extra, etc., complete complying with standard specification and as directed by the departmental officers. The coarse and fine aggregates to be used should comply with the requirements of IS standards.( No seperate payment will be made by the Deaprtment for the excess usage of materials).-

Providing and placing Plain Cement concrete M15 grade using crusher broken hard granite course aggregate (well graded) of nominal maximum size of 20 mm and down graded to IS specified grading ( to achieve the specified characteristic strength of 15N/mm2 in 28 days) and mixing the ingredients in approved mixer 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 strength specified in the approved drawing and specifications etc., complete complying with standard specifications and as directed by the Departmental officers

Providing and placing Plain Cement concrete M15 grade using crusher broken ard granite course ageregate (well graded) of nominal maximum size of 40% of 20mm and 60% of 40 mm down graded to IS specified grading (to achieve the specified characteristic strength of 15N/mm2 in 28 days) and mixing the ingredients in approved mixer 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 specifications and as directed by the Departmental Officers

Providing and placing Plain Cement concrete of M20 grade using crusher broken hard granite course aggregate (well graded) of nominal maximum size of 20 mm to IS specified grading (to achive the specified characteristic strength of 20 N/mm2 in 28 days) and mixing the ingredients in approved mixer placing in layers and vibrating,water curing,finishing the surface with all leads and lifts etc., complete in all repects so as to attain the profile and strength specified the approved drawing and specification, as per the direction of the engineer in charge of works complying with technical specification.

Providing and laying in position, Standardised Concrete Mix M-25 Grade in accordance with IS456:2000, using 20mm hard broken granite stone jelly for all RCC items of works with minimum cement content of 350kg/m3 and maximum water cement ratio of 0.50, including admixture (palsticiser/super plasticiser) in recommended proportions as per IS9103 to accelerate, retard setting of concrete, improve workability without impairing strength and durability with about (5.0 cu.m) 7730 Kg of 20mm machine crushed stone jelly and with about(3.3 cu.m) 5156 kg of 10-12mm machine crushed stone jelly and with about(4.79 cu.m) 7670 kg of sand, but excluding cost of reinforcement grill and fabricating charges, centring and shuttering and also including laying, vibrating with mechanical vibrators, finishing, curing, etc., and providing fixture without claiming extra, etc., complete complying with standard specification and as directed by the departmental officers. The coarse and fine aggregates to be used should comply with the requirements of IS standards.( No seperate payment will be made by the Deaprtment for the excess usage of materials).-