Parks Coppell ABQ-CS 8812154P Jerry Parch Consulting Engineers
December 15~ 1
Hydrology and Hydraulics Branch
Fort North Dis~ric~
U. S. Army Corps of Engineers .
817/334-3134
RE: JP No. 88009; 404 Per. it Request;
Parks of Coppell; Coppell, Texas
Dear Paul:
Pursuant to your request., enclosed are copies of hydraulic models
of existing channel conditions and channel conditions with the
proposed flood plain as shown on the Plan of Reclamation for the
Parks of Coppell Project west of Denton Tap Road in Coppell,
Texas. Models provided are of the 100-year and 500-year floods
in Denton Creek and Cottonwood Branch as follows:
A. Hodel COTEXL: Existing Conditions in Cottonwood Branch
1. Profile 1: 100-year flood plain
2. Profi.le 2: 100-year floodway with no
channel improvements
3. Profile 3:" 500-year flood plain
B. Model CP100: Proposed Plan of Reclamation - Cottonwood
Branch. Contains channel improvements in
vicinity of Parkway Boulevard bridge only.
1. Profile 1: 100-year flood plain
2. Profile 2: 500-year flood plain
C. Hodel DEiO0: Denton Creek, lO0-year flood plain
1. Profile 1: Existing Conditions
2. Profile 2: Proposed Conditions ~ith Plan
of Reclamation
D. Model DEEXM: Denton Creek, 500-year flood plain
1. Profile 1: Existing Conditions
2. Profile 2: Proposed Conditions with Plan
of Reclamation
Also enclosed is a copy of Exhibit A showing location of the
study cross sections and existing 100-year flood plain and
floodway limits in the study area. Under the Proposed Plan of
Reclamation, which was submitted to the Corps of Engineers as
part of the application for 404 Permit authorization, reclamation
320 Vgestway Place, Suite 501 · Arlington, Texas 76018 · Metro 1817} 467-2418 · 1817} 465-0259
bit. Paul Rodman December 15, 1988
JP No. 88009 Page 2 of 2
is proposed to the floodway limits as shown on Exhibit A, or to
the property line where the floodway limits are on adjacent
property.
If you need any additional information, please call.
Sincerer
~Jer~y Parche*, P.E.
JP:ch
cc: Mr. Jay Chester, P.E./ABQ DeVelopment CorpoI'ation
Mr. Russell Doyle, P.E./City of Coppell