Alwarthirunagari 14th CFC 2025-2026.

Supply and delivery of the following 75 MM PVC 6 KSC Pipes As per TWAD SOR 2021-22 1.0 UN PLASTICIZED PVC PIPES FOR PORTABLE WATER SUPPLY AS PER IS 4985 /2000

Earth work excavation and depositing on bank with initial lead of 10m & lift on 2m in Hard stiff clay, stiff blac cotton Hard red earth shales, murrain, gravel, stoney earth and earth mixed with small size boulders & hard gravelly soil for Pipe laying work.SS20B

Laying and jointing of the following size of PVC Pipes. i) 75 mm PVC6 Ksc Pipes.

Refilling the Pipeline trenches Using the excavated earth after the Pipes & Specials are laid, jointed & tested

Earth work Excavation in all soils and Sub Soil to full depth as may be directed except in hard rock requiring blasting but inclusive of shoring strutting, Sectioning the street to lay concrete pavement per SS 20 B

Cement concrete 1 : 4 : 8 mix using 40mm HBG metal for foundation including watering wherever necessary and laid in layers of not more than 15cm thick., compacting etc., complete complying with standard specifications

Centering sides and soffits for all PCC works including cost and conveyance of all materials to work site from approved quarry including cost of cement which will be supplied departmentally including all labour for mixing, laying, compactiong, watering wherever necessary and laid in layers of not more than 15cm thick., etc., complete

Cement concrete 1 : 3 : 6 mix using 20mm HBG metal for all PCC works including cost and conveyance of all materials and all labour charges etc., complete complying with standard specifications and as directed.

Construction of Granular Sub base by providing well graded material (25 mm to 4.75 mm IRC HBG metal @ 65 %,4.75 to 2.36mm IRC HBG metal @20%&2.36 mm below IRC HBG metal @15%)& (the material passing 425 microns sieve shall have liquid limit and plasticity index not more than 25 & 6% repectively) spreading in uniform layers with motor grader on prepared surface mixing by mix in place method with rotovator at OMC and compacting with three wheel 80-100 KN capacity and finished in accordance with the requirements of the specification and thickness as per approved plans or as directed by the Engineer (Mix -in - place method) .

Providing and Laying of Interlocking Concrete (Surface Textured) Block Pavements having thickness 60mm and compacted over a thin bedding M.Sand layer of 25 mm thickness and joints shall be filled by fine M.Sand of specified grading as per table 1500.6 of Specification of Rural roads-2014 and Technical specification clause 1504.

Earth work Excavation in all soils and Sub Soil to full depth as may be directed except in hard rock requiring blasting but inclusive of shoring strutting, Sectioning the street to lay concrete pavement per SS 20 B

Cement concrete 1 : 4 : 8 mix using 40mm HBG metal for foundation including watering wherever necessary and laid in layers of not more than 15cm thick., compacting etc., complete complying with standard specifications

Centering sides and soffits for all PCC works including cost and conveyance of all materials to work site from approved quarry including cost of cement which will be supplied departmentally including all labour for mixing, laying, compactiong, watering wherever necessary and laid in layers of not more than 15cm thick., etc., complete

Cement concrete 1 : 3 : 6 mix using 20mm HBG metal for all PCC works including cost and conveyance of all materials and all labour charges etc., complete complying with standard specifications and as directed.

Construction of Granular Sub base by providing well graded material (25 mm to 4.75 mm IRC HBG metal @ 65 %,4.75 to 2.36mm IRC HBG metal @20%&2.36 mm below IRC HBG metal @15%)& (the material passing 425 microns sieve shall have liquid limit and plasticity index not more than 25 & 6% repectively) spreading in uniform layers with motor grader on prepared surface mixing by mix in place method with rotovator at OMC and compacting with three wheel 80-100 KN capacity and finished in accordance with the requirements of the specification and thickness as per approved plans or as directed by the Engineer (Mix -in - place method) .

Providing and Laying of Interlocking Concrete (Surface Textured) Block Pavements having thickness 60mm and compacted over a thin bedding M.Sand layer of 25 mm thickness and joints shall be filled by fine M.Sand of specified grading as per table 1500.6 of Specification of Rural roads-2014 and Technical specification clause 1504.