Details: earthwork excavation for pipe line trenches etc. in hard stiff clay and other types of soil upto an average depth of 2.00 m shoring, strutting,balling of water if necessary levelling and ramming the bottom of tranches, refilling in uniform layers with selected excavated earth after the pipes are laid and tested and disposing the surplus earth at places shown within initial lead of 5 metres and all lifts etc. complete all as per specification and as directed by engineer incharge. providing and laying/fixing in trunches heavy quality galvanised mild steel pipes andspecials conforming and marked to is: 1239, for internal and external water supply system including cutting to the required length,threading and jointing with approved quality jointing compound,testing to a pressure of 7 kg./sq. cm., making goodthe leakages if any, painting the pipe lines with three coats of anticorrosive or approved paint etc.complete all as per direction of engineer incharge. 80 mm nominal dia pipes 50 mm
Sector: Research center