Texas Parks and Wildlife Packery Channel Project DEIS Comments

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Dr. Lloyd H. Saunders
Page 4

Dredged Material Placement Areas

The DEIS indicates that a 7.5-acre upland disposal area (MMPA), which is to be
located at Packery Channel Park. will be used for future maintenance material
(50-yenr plan) generated from the channel located on the west side of (lie SH 361
Bridge. By letter dated June 17, 2002, the City of Corpus Christi has stated that
they will no longer be using any portion of Packery Channel Park for their dredge
disposal.

During The July 8, 2002 meeting, the USACE and the City of Corpus Christi
discussed dredge material placement plans for the entire project, Based on this
information, it appears that all of the original dredged material (from both the east
and west sides of the bridge) will either be placed on the beach for beach
nourishment or mixed and placed behind the proposed bulkheads on the cast side
of the SH 361 Bridge. These bulkheads will extend parallel to the basin and a
portion of the channel, The placement areas behind the bulkheads (PA 1, PA 2,
and PA 3) will be capped off. TPWD is of the understanding that PA 2 will have a
parking facility constructed on it once it is capped off. PA I and PA 3 will be
capped off but no further information is provided regarding future use. The FEIS
should include details regarding how these placement areas will be stabilized and
used in the future.

All of the maintenance material generated from the cast side of the SH 361 Bridge
will be used for beach nourishment. All of the maintenance material from the
channel on the west side of the bridge (from the bridge to the bend in the channel)
will be placed on the beach for beach nourishment. Only the maintenance
material which will be generated from the bend in the channel to the GIWW will
be silly enough to require some other method ol disposal. According lo ihc
USACE and City's' calculations, approximately 15,000 cubic yards of
maintenance material will be generated from this reach every 5 years. The
USACE and the City of Corpus Christi are currently working with the Texas
Department of Transportation regarding several sites which may provide a
suitable disposal site for this dredge material. The FEIS should clearly describe
what the maintenance dredging needs will he and where the disposal area(s) will
be located.

Pipelines

The DEIS has identified a pipeline which crosses Packery Channel just south of
the SH 361 Bridge. During the July 8. 2002 meeting, the City of Corpus Christi

stated that there is an existing active 16-inch waterline which extends across
Packery Channel. This waterline is located on the east side of the SH 361 Bridge.
The waterline evidently has 5 feet of cover (below the proposed dredge depth)

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