FLOOD07468

• County: Statewide
• Community: State of Colorado
• Stream Name: All
• Basin: Statewide
• Title: The Design of Encroachments on Floodplains Using Risk Analysis
• Date: 10/1/1980
• Prepared For: USDOT
• Prepared By: Federal Highway Administration
• Floodplain - Doc Type: Educational/Technical/Reference Information

Table 2.1 - Preliminary analysis e
of flood plain encroachments

RR T.R B.W A.C.C.
$ $ $ $

R.R. T.R. BW A.C.C.
$ $ $ $

R.R T.A. B.W. A.C.C.
$ $ $ $

RR. T.R. B.W. A.C.C.
$ $ $ $

~
$ $ $

I

A.C.C.
$

.

Complete risk analysis

~

Ignore or assume constant
backwater losses (B.W.)

Ignore or assume constant
traffic related losses (T.A.) e

Ignore or assume constant
roadway repair losses (R.R.)

Annual capital costs (ACC)
principle factor - all losses
negligible - select lowest,
shortest acceptable alternative

.

Analysis based on first trial design

e

6