LWI Region 3 Modeling Overview

QUALITY ASSURANCE AND CONTROL Methodology

For this initiative, the purpose of HEC-FIA is to perform quality assurance and control on the results obtained from Go Consequence. Quality control expects discrepancies of less than two units (<10%)—in the number of affected structures and the estimated monetary damage—when comparing the results between Go Consequence and HEC-FIA. Figure 5-9 presents the simplified framework used in HEC-FIA and Figure 5-10 presents a visualization of the HEC-FIA interface. Comparison Table 5-2 presents a comparison of the results obtained from Go Consequence and HEC-FIA. Figure 5-11 shows an additional quality control check comparing the estimated structural monetary damage between the Go Consequence results (X-axis) and the HEC-FIA results (Y-axis). Table 5-2 Consequence Modeling comparison – Bayou Cocodrie – 1PCT_24hr_OpenGate.

Figure 5-9: HEC-FIA simplified framework.

Figure 5-10: HEC-FIA interface – Bayou Cocodrie Consequence Model.

R3_BC_1PCT_24HR_ CLOSEDGATE Go Consequence

NO. OF STRUCTURES

STRUCTURAL DAMAGE [$] $18,105,772.37

1,082

HEC-FIA

1,069

$17,966,532.19

Error [%]

1.22

0.77

Figure 5-11: HEC-FIA interface – Bayou Cocodrie Consequence Model.

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Consequence Modeling