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https://hdl.handle.net/11681/36053| Title: | Final Individual Environmental Report Supplemental, Improved Protection on the Inner Harbor Navigation Canal, Orleans and St. Bernard Parishes, IERS #11.b - Tier 2 Borgne - INHC |
| Authors: | United States. Army. Corps of Engineers. New Orleans District. |
| Keywords: | Pontchartrain, Lake (La.) Flood control Hurricanes Environmental management Inner Harbor Navigation Canal (La.) |
| Publisher: | United States. Army. Corps of Engineers. New Orleans District. |
| Abstract: | The United States Army Corps of Engineers-Mississippi Valley Division, New Orleans District has prepared this Individual Environmental Report Supplemental (IERS) #11.b – Tier 2 Borgne – Improved Protection on the Inner Harbor Navigation Canal (IHNC), Orleans and St. Bernard Parishes, Louisiana, referred to as IERS #11.b – Tier 2 Borgne – IHNC in the remainder of this report. This IERS has been prepared to evaluate the potential impacts associated with restoring and reinforcing approximately 4.6 miles (mi) of noncontiguous IHNC and Gulf Intracoastal Waterway (GIWW) levees and floodwalls in Orleans Parish, Louisiana. This document is the second supplement to Individual Environmental Report #11 (IER #11) – Tier 2 Borgne - Improved Protection on the Inner Harbor Navigation Canal, Orleans and St. Bernard Parishes, Louisiana, and evaluates strengthening secondary flood risk reduction structures against water that could potentially enter the GIWW and IHNC from overtopping of the primary risk reduction system, and internal rainfall. Evaluation of deficient segments of the IHNC Hurricane Storm Damage Risk Reduction System were divided into three reaches (Reach 1, 2, and 3) based on the sub-basins that are protected by the existing flood risk reduction system. |
| Description: | Individual Environmental Report Supplemental |
| Rights: | Approved for Public Release; Distribution is Unlimited |
| URI: | https://hdl.handle.net/11681/36053 |
| Size: | 276 pages / 27.64 MB |
| Types of Materials: | |
| Appears in Collections: | Environmental Documents |
Files in This Item:
| File | Description | Size | Format | |
|---|---|---|---|---|
| IERS 11.b Tier 2 Borgne Final Document.pdf | 27.64 MB | Adobe PDF |  View/Open |