fabrication and erection of shed on superstructure of hydromechanical equipment of chaudhari charan singh rapti main barrage in district shrawasti -fabrication and erection of shed by tata dura shine colored steel sheet 0.5 mm thick on super structure of rapti barrage. length of super structure is 292.75 mtr ( from gate no. 1 to 14 ) & width is 4.00 mtr. distance between column are 3.5 mtr. each and height is 2.25 mtr by using tata makem.s pipe100 mm dia with thickness 4.5 mm b class for column, m.s. squarepipe 50x50 mm with thickness 2.3 mm & m.s. square pipe 40x40 mm with thickness 2.3 mm b class for trusses & perline, and shading by tata dura shine colore coated steel sheet 0.5 mm thick with durashine ridge 0.5 mm thick with all erection work includiung cost of all materials, labours and t&p and scaffolding requiredfor proper completion of work for rapti barrage as per instruction of site incharge.