ST8805-CS 881215Jerry Parch6 Consulting Engineers
December 15, 1988
Mr. Paul Rodman
Hydrology and tlydraulics Branch
Fort Worth District
U. S. Army Corps of Engineers
817/334-3134
RE:
JP No. 88009; 404 Permit Request;
Parks of Coppell; Coppell, Texas
/J'C
FILE COPY
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 tile Plan of Reclamation for the
Parks of Coppell Project west of Denton Tap Road in Coppell,
Texas. Models provided are of the lO0-year and 500-year floods
in Denton Creek and Cottonwood Branch as follows:
A. Model COTEXL: Existing Conditions in Cottonwood Branch
1. Profile 1: lO0-year flood plain
2. Profile 2: ]()O-year floodway with no
channel improvements
3. Profile 3:" 500-year flood plain
B. Model CPIO0:
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. Model DEi00: Denton Creek, 100-year flood plain
1. Profile 1: Existing Conditions
2. Profile 2: Proposed Conditions with Plan
of Reclamation
D. Model DEEXM: Denton Creek, 500-year flood plain
1. Profile 1: Existing Conditions
2. Profile 2: Proposed Conditions
of Reclamation
with Plan
Also enclosed is a copy of Exhibit A showing location of the
study cross sections and existing 100-year flood plain and
floodway Iimits 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 ~Vestway Place, Suite 501 · Arlington, Texas 76018 · Metro [817) 467-2418 · (817) 465-0259
Mr. Paul Rodman
JP No. 88009
December 15, 1988
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 ad,jacent
property.
If you need any additional information, please call.
Sincerel/~
UJer~'y Parche',
PoE,
JP:ch
Mr. Jay Chester, P.E./ABQ DeVelopment Corporation
Mr. Russell Doyle, P.E./City of Coppell