JavaScript must be enabled in order to use this site.Please enable JavaScript in your browser and refresh the page. D3. British Codes D3.A. British Codes - Concrete Design per BS8110 D3.B. British Codes - Steel Design per BS5950:2000 D3.C. British Codes - Design per BS5400 D3.D. British Codes - Design per BS8007 D3.E. British Codes - Design per British Cold Formed Steel Code Parent topic: D. Design Codes