SABINE-NECHES WATERWAY (SNWW) CHANNEL IMPROVEMENT PROJECT FEASIBILITY STUDY
Sabine-Neches Waterway IEPR report ... - Galveston District
Sabine-Neches Waterway IEPR report ... - Galveston District
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Basis for Comment (Continued):<br />
discussion of commodity impacts on optimal draft that is hard to reconcile with the screening<br />
process described in DFR section V. DFR V, Tables 1 through 4 are difficult to follow and<br />
require better explanation. The “analysis conducted for other studies” mentioned on page<br />
DFR V-4 needs a complete citation, and copies should be presented in an appendix and made<br />
available for this review.<br />
Significance – High:<br />
The apparent problems with the Plan Formulation are highly significant, as they call into<br />
question the basic elements of the proposed project. It is unclear that the proposed widening and<br />
dredging of the <strong>SNWW</strong> is in fact the best plan to address the situation.<br />
Comment Cross-referencing:<br />
(3) Comment: The crucial analysis of vessel design and sailing drafts is inadequately supported<br />
by data and appears questionable.<br />
(7) Comment: The choice of project design vessel appears to drive the project design and<br />
benefits estimates, yet remains unjustified in the report.<br />
(15) Comment: The presentation of data in maps, figures, and tables needs to be substantially<br />
improved.<br />
(17) Comment: The analysis and conclusions are based on what appears to be over-reliance on<br />
the pilots or at least a lack of documentation of their opinions.<br />
Recommendations for Resolution:<br />
To resolve these concerns, the report would need to be expanded to include:<br />
1. A detailed, quantified description of the No Action alternative.<br />
2. Detailed examination of incremental widening and deepening alternatives, and a<br />
“turning basins and anchorage” alternative.<br />
3. Thorough consideration of non-structural alternatives, including lightering larger<br />
vessels, handling large vessels at off-shore terminals, VMS/VTS improvements,<br />
and relaxing or altering the Pilots’ rules.<br />
4. An analysis of the channel extension portion of the project.<br />
5. A clear, well-documented description of the screening process.<br />
6. A quantitative economic analysis of the use of the existing or an expanded LOOP<br />
facility and the pipelines and other facilities necessary utilize it.<br />
7. A detailed examination of how modification of the Sabine Pilots’ rules and<br />
operations could improve productivity and how safety would be impacted.<br />
8. Explicitly consider the contributions of VMS/VTS systems in reducing the need<br />
for channel widening.<br />
Addendum <strong>SNWW</strong> External Peer Review Report 5 Battelle<br />
June 16. 2010