Environmental Engineering Reference
In-Depth Information
FIGURE 5-1
Key components of a wind energy system.
of quality assurance/quality control to provide fabrication requirements
equivalent to those of CVAs or owners.
For consistency of oversight of an offshore wind farm, the scope of the
CVA should be expanded beyond what is required by 30 CFR 285. With-
out such an expansion, gaps may exist in expected performance similar to
those expected with the structural aspects. The scope of a CVA is addressed
by 30 CFR 285 in a manner similar to the scope for a CVA in connection
with oil and gas facilities addressed by 30 CFR 250, which covers structural
and geotechnical aspects for design, fabrication, and installation. Restrict-
ing the CVA program to these areas introduces considerable gaps from a
systems perspective if balanced risk is an objective.
CVAs AND GOAL-BASED STANDARDS
The use of goal-based standards is increasing, especially in areas where
practice is not mature or there is great variability in design conditions.
Offshore wind is a young industry with insufficient prescriptive stan-
dards and little operating experience with the environment affecting
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