Description :
Tenders for Supplying And Fixing Isi Reinforced Concrete Heavy Duty Nonpressure Pipes For Culverts Carrying Heavy Traffic As Per Is 458:1991 Specifications Including Setting And Jointing The Pipes In Cm 1:2 Watering And Laying (to Level Or Slopes) Of Class Np4 Of Following Internal Diameters (vii) 900 Mm Dia.