FW North Lake -- Downstream TopographyMichael,
Patrick put the files you sent into a pdf and also located some TNRIS
survey data that appears much better than the NTCOG map. Keith had
provided me a copy of the phase 1 fill location. It may or may not be
current, but likely couldn’t have changed much. That gives a decent idea
of the area that needs to be kept dry. To me , this shows more fall than
I had thought in the “main” channel and would seem to support what you
were saying about using the main channel. I think you’ll need some
clearing and some berms at the upstream end to protect their work area.
Putting a notch in each beaver dam would help, if it allowed the flows
to erode them out. Just my thoughts for the morning. See you this
afternoon.
Thanks,
John
John Rutledge
Freese and Nichols, Inc.
4055 International plaza, St 200
Fort Worth, TX 76109
(817) 735-7284
jlr@freese.com <mailto:jlr@freese.com>
From: Patrick Miles
Sent: Thursday, January 30, 2014 5:48 PM
To: John Rutledge
Subject: North Lake -- Downstream Topography
Made a couple adjustments to these maps to include labels on the survey
lines and query out some of the extraneous circles from the LiDAR data.
Let me know what you think. Thanks.
Patrick Miles, P.E.
Water Resources
Freese and Nichols, Inc.
4055 International Plaza, Suite 200
Fort Worth, Texas 76109
817-735-7236
817-735-7483 fax
www.freese.com
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