JavaScript must be enabled in order to use this site.Please enable JavaScript in your browser and refresh the page. D13. Russian Codes D13.A. Russian Codes - Concrete Design Per SNiP 2.03.01-84* D13.B. Russian Codes - Steel Design Per SNiP 2.23-81* (Edition 1990) D13.C. Russian Codes - Steel Design Per SP 16.13330.2011 D13.D. Russian Codes - Concrete Design Per SP 63.1330.2012 D13.E. Russian Codes - Steel Design per SP 16.13330.2017 Parent topic: D. Design Codes