This specification is applicable to the design and design of water drop dams (including large check dam projects, fourth-class and fifth-class water conservancy and hydropower projects) built on sand, sandy loam, loam, granite and sandstone weathered residual soil in areas with seismic intensity below 7 degrees. Construction, the design and construction of small and medium-sized check dam projects and water conservancy and hydropower projects below grade five can be implemented by reference.
SL 302-2004 history
2020SL/T 804-2020 Technical specifications for check dams
2004SL 302-2004 Technical specification for sluicing-siltation earth dam
SL 302-2004 Technical specification for sluicing-siltation earth dam was changed to SL/T 804-2020 Technical specifications for check dams.