DR9304-CS 940212M. Meadows Subdivision
1. Statement of Problem
The Meadows Subdivision (Figure VII-13) was designed between 1979 and 1989 in six phases.
Flooding complaints have been recorded at several locations. Street flooding has been reported on Meadow
Glen Circle, Meadowrun Drive and Leslie Lane on several occasions since 1985.
2. Summary of Data
Subdivision plans for the Meadows Phases 1 through IV and VI were located. Grading plans
for the storm sewer outfall down Parkway Blvd. through the Lakes of Coppell, were also obtained. Field
reconnaissance of problem areas were made on April 26 and May 11, 1990. Field surveys were conducted on
May 11, 1990.
3. Analysis of Existing Conditions
The subdivision plans and field information were used to analyze drainage conditions. Much
of the Meadows Subdivision, Phases I and II, drains to four inlets in Leslie as shown in Figure VII-13. The
two inlets closest to Meadow Glen are at a low point. Water must pond to depth of 1.3 feet at these inlets
before escaping the area down Meadow Glen. This situation is aggravated by poorly constructed valley gutters
in the intersection of Meadowrun and Lanclsdowne Circle. This causes runoff which should continue east to
inlets on Landsdowne Circle to flow south down Meadowrun ultimately ending up at the Leslie low point
inlets.
4. Proposed Solutions
Stage I of the recommended solution to alleviate the street flooding on Leslie involves adding
an inlet on Leslie and adding storm sewer and inlets on Landsdowne as shown on Figure VII-13. These
improvements have an estimated probable cost of $45,000. A temporary asphalt valley gutter could be
constructed on Meadowrun south of Landedowne Circle as an interim solution at an estimated cost of $1,500.
This would partially alleviate the street flooding on Leslie.
The storm sewer investigations revealed problems and discrepancies in other parts of the
subdivision, most notably in the vicinity of Parkway Boulevard. Recommended solutions to these problems
will require significant additional storm sewer construction. A proposed 45-acre drainage diversion at
Woodmoor and Meadow Glen Drive to the east via Woodmoor Drive through Waterside Estates will relieve
the Parkway Boulevard system. Inlets should be added in Parkway Boulevard, Meadow Glen Circle, Meadow
Run Drive, and Marlee Circle. Drainage easements will be required in Waterside Estates. To date, no houses
have been constructed in this subdivision, therefore construction of the diversion is recommended prior to
issuance of building permits. Final sizes, alignments, and locations of all proposed drainage facilities should
be established in the detailed design phase (not a part of this study). These Stage II improvements are
estimated at $120,000 for the diversion and $30,000 for the additional inlets.
VII-32
INLET
ADD
INLET
10'
WOOl
1 O' INLE
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i DIVERT STORM
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SITE M
MEADOWS SUBDIVISION
DRAINAGE IMPROVEMENTS