Frequency:     Infrequent    1  | 2 | 3 | 4 | 5    Frequent

Importance:   Unimportant   -4 | -3 | -2 |  -1  | 0 | 1 | 2 | 3 | 4   Important

Roles & Report Relationship

- Design Institute:   A→F
  Project principal→ Owner

- Foreign & Private:   ①⑤
  Project manager & Owner