BS 8666:2000
Shape Code 00
L = A
Shape Code 11
L = A + (B) - 0.5r - d
Shape Code 12
L = A + (B) - 0.5r - d
Shape Code 13
L = A + 0.57B + (C) - 1.57d
Shape Code 15
L = A + (C)
Shape Code 21
L = A + B + (C) - r - 2d
Shape Code 25
L = A + B + (E)
Shape Code 26
L = A + B + (C)
Shape Code 31
L = A + B + C + (D) - 1.5r - 3d
Shape Code 33
L = 2A + 3B + 17d
Shape Code 41
L = A + B + C + D + (E) - 2r - 4d
Shape Code 44
L = A + B + C + D + (E) - 2r - 4d
Shape Code 46
L = A + 2B + C + (E)
Shape Code 51
L = 2(A + B + C) - 2.5r - 5d
Shape Code 67
L = A
Shape Code 77
L = Cπ(A - d)
Shape Code 99
All other shapes. A dimensional sketch of the shape shall be given on the schedule.