232
15 Risk-Informed Decision Making
15.5.1 Dam 1A, 1B
Table 15.5 displays the SLM results for Dam 1A, 1B.
Table 15.5 SLM (Silva et al. 2008) results for Dams 1A and 1B
Cat.
Design
Build
Operate
Category
D1
D2
D3
CO
OM
Investigation
Testing
Analyses and
documentation
Construction
Operations
and
monitoring
I Best
Evaluate
design and
performance
structures
Run lab tests
on
undisturbed
specimen at
field
conditions
Determine
FS using
effective
stress
parameters
based on
measured
data for site
Full time
supervision
by
qualified
engineer
Complete
performance
program
including
comparisons
between
predicted
and
measured
1.4 to
1.6
Analyze
historic
aerial
photos
Run strength
tests along
field
effective
total and
effective
stress paths
Consider
field stress
path in
stability
determination
Construction
control
tests by
qualified
engineers
and
technicians
No
malfunctions
(cracks
slides etc.)
Locate all
non
uniformities
Run index
field tests
(field vane,
come
penetrometer)
to detect
anomalies
Prepare flow
nets for
instrumented
sections
No errors
or
omissions
Continuous
maintenance
Determine
site
geologic
history
Calibrate
equipment
and sensors
prior to tests
Predict pore
pressure and
other
relevant
performance
parameters
for
instrumented
sections
Construction
report
clearly
documents
construction
activities
Determine
subsoil
profiles
using
continuous
sampling
Have design
report clearly
document
parameters
and analyses
used for
design
Obtain
undisturbed
samples for
testing
No errors or
omissions
Determine
field pore
pressure
Peer review
of nearby
(continued)