Height (m) (a) | Length (m) (b) | Type of Dam by Construction Material (c) | Type of Foundation (d) | Age of Dam (e) | Design Flow (f) |
Height ≤ 15 (0) | Length ≤ 200 (2) | Conventional Concrete (1) | Sound rock (1) | Between 30 and 50 years (1) | PMF or Decamillennial (3) |
15 < height < 30 (1) | Length> 200 (3) | Stone masonry/cyclopean concrete-CCR (2) | Altered hard rock with treatment (2) | Between 10 and 30 years (2) | Millennial (5) |
30 ≤ Height ≤ 60 (2) | - | Homogeneous soil/rockfill/soil rockfill (3) | Untreated altered rock/altered fractured rock with treatment (3) | Between 5 and 10 years (3) | RI = 500 years (8) |
Height > 60 (3) | - | - | Soft altered rock/compacted saprolite soil (4) | < 5 years or > 50 years or no information (4) | RI <500 years or unknown/unreliable study (10) |
- | - | - | Residual soil/alluvium (5) | - | - |