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S-3.1.01, r. 1 - Dam Safety Regulation
Schedule
Disposition versions
SCHEDULE II
(s. 13)
CONSTANT PHYSICAL PARAMETERS
(Dam vulnerability numerical values)
Dam height
__________________________
Height (m) Points
__________________________
≤5 1
__________________________
10 2
__________________________
20 3.5 The points for intermediate heights shall be
__________________________ determined by considering that the points vary
linearly between the various height values, except
30 4.5 a dam 5 m or lower, which is always assigned
__________________________ 1 point.
40 5.0
__________________________
50 5.8
__________________________
100 8.0
__________________________
160 or more 10.0
__________________________
Dam types
__________________________________________
Dam Type Points
__________________________________________
Concrete arch 1
__________________________________________
Concrete buttresses 3
__________________________________________
Concrete gravity 2
__________________________________________
Concrete gravity embankment 3 For any other type of dam, an
__________________________________________ equivalence with the dam type in
the table with the closest
Concrete or steel sheet-pile characteristics shall be
barrier upstream of an established.
earthfill dam 6
__________________________________________
Earthfill 10
__________________________________________
Earth-filled timber or
steel sheet-pile cribs 10
__________________________________________
Free weir - concrete shield 7
__________________________________________
Rockfill dam with
- concrete facing
- upstream earthfilled core 3
__________________________________________
Rockfill free weir 8
__________________________________________
Rockfill weir 4
__________________________________________
Steel sheet-piling 7
__________________________________________
Stone-filled timber or
steel sheet-pile cribs 6
__________________________________________
Timber buttresses (cribs) 8
__________________________________________
Timber buttresses
(dead shores) 9
__________________________________________
Impounding capacity
____________________________
Capacity Points
(106 m3)
____________________________
≤1 1
____________________________
The points for intermediate capacities shall be
50 3 determined by considering that the points vary
____________________________ linearly between the various values of impounding
capacity, except an impounding capacity of
1,000 5 1,000,000 m3 or less, which is always assigned
____________________________ 1 point.
2,000 6.5
____________________________
5,000 8
____________________________
6 000 and over 10
____________________________
Foundation types
_________________________________
Type Points
_________________________________
Treated rock 1
_________________________________
Rock 2
_________________________________ The treatment includes all the geotechnical
methods meant to reduce the permeability of
Treated till 3 the foundation and increase its resistance
_________________________________ to internal erosion or to increase the
bearing capacity of the foundation or the
Till 4 stability of the dam.
_________________________________
Treated clay 6
_________________________________ Till is a material of glacial origin
consisting of a mixture of varying particle
Clay 7 sizes that usually contains a certain
_________________________________ percentage of fines.
Treated alluvial
deposits 8
_________________________________
Alluvial or
unknown deposits 10
_________________________________
