Permanent Flood Mitigation works in Kodingal drain LS 0 to 14000 m of Srirangam Taluk in Trichy District.

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.

Supplying and filling in foundation with sand gravel mix in the ratio of 30:70 in layers of not more than 15cm thick, well rammed, watered and consolidated etc., complete complying with standard specification.

Providing and placing Plain Cement Concrete M 10 grade using crusher broken hard granite course aggregate (well graded) of nominal maximum size of 40 mm and down graded to I.S specified grade and mixing the ingredients in approved mixer including dewatering of the placement site by baling / 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 strengh specified in the approved drawing and specifications, and including the cost component of providing rigid and smooth centering and shuttering and scaffolding wherever necessary for various depth below and heights above ground level as per the direction of the engineer in charge of works and complying with technical specifications.

Supplying and erection of steel centering for sides and soffits for plain surface with all cross bracings using Mild Steel sheets of size 90cm. X 60cm. thickness of and 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 10cmX 6.5cm spaced at 90cm. Centre to centre and supported by casuarina props of 10 to 13cm dia (spaced at 75cm) Centre to centre etc. complete complying with Standard Specifications and as directed by the Departmental Engineers.

Below ground Level

Above Ground Level

Providing and placing Plain Cement Concrete M15 grade (one cement, two crushed stone sand and four hard broken stone jelly) using crusher broken hard granite course aggregate 20mm jelly and mixing the ingredients in approved mixer including 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 strengh specified in the approved drawing and specifications, and including the cost component of providing rigid and smooth centering and shuttering and scaffolding wherever necessary for various depth below and heights above ground level as per the direction of the engineer in charge of works and complying with technical spesifications.

Below Bed level

Above Bed level

Supplying, fabricating and placing in position Mild Steel / Ribbed Tor Steel grills for all RCC works as per design given including cost of steel and G.I. binding wire in all floors etc. complete complying with standard specification. (Contractor has to make his own arrangements for the supply of steel and binding wire)

Dewaterning using 20 HP diesel engine pumpset including Hire charges, cost of Diesel, Engine oil,pump operrator,labour charges,conveyance of pumpset and fuel to site and back, loading, unloading and any other incidental charges etc., complete complying with standard specifications and as directed by the Departmental Engineers.

Earthwork in all soils except hardrock requiring blasting and conveying for formation of bund with a lead of 0 to 100m extra lead for additional 800m deploying earth moving machinery and tippers including benching ,formation of of bunds, breaking clods ,sectioning, compaction by power roller with watering and consolidation in layers of not more than 15cm thick etc. complete.

GST at 18%