IS 11973 : 1986 Code of practice for treatment of rock foundations, core and abutment, contacts with rock for embankment dams

UDC 627.824.3 : 624.131.388.006.76 WRD 8
Reaffirmed 2021

1 Scope

1.1 The scope of this standard is limited to earth and rockfilldams where the control of seepage is achieved primarily by apositive cut off extending to bed rock so that the core is seatedon rock all along the foundation as well as the flanks andabutments. The shell or casing zones may however rest onover-burden.

1.2 Treatment of rock foundation for strengthening andstabilization of slopes is excluded from this standard. The scopeis limited to treatment required for control of seepage.

2 References

IS 5050 : 1968 Codeof practice for design, construction and maintenanceof relief wells

IS 6066 : 1984Recommendations for pressure grouting of rock foundationsin river valley projects