FLOOD10222

• County: El Paso
• Community: Colorado Springs
• Basin: Arkansas
• Title: The City of Colorado/Springs/El Paso County Drainage Criteria Manual
• Date: 11/1/1986
• Prepared By: Colorado Springs
• Floodplain - Doc Type: Educational/Technical/Reference Information

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3. Identification of all nearby irrigation facilities which
will influence or be influenced by the local drainage.

(b) Sub-basin Description

1. Discussion of historic drainage patterns of the property in
question.

2. Discussion of offsite drainage flow patterns and impact on
development.

(3) DRAINAGE DESIGN CRITERIA

(a) Development Criteria Reference and Constraints

1. Reference all criteria, master plans, and technical
i nformat i on used for report preparati on and des i gn; any
deviation from such material shall be discussed and
jus tified.

2. Discussion of previous drainage studies (i .e., PDR,
drainage basin planning studies, master plans) for the site
in question that influence or are influenced by the
drainage design and how the plan will affect drainage
design for the site.

3. Discussion of the drainage impact of site constraints such
as streets, utilities, proposed and existing structures.

(b) Hydrologic Criteria
1. Identify design rainfall.
2. Identify runoff calculation method.
3. Identify design storm recurrence intervals.
4. Identify detention discharge and storage calculation
method.

(4) DRAINAGE FACILITY DESIGN
(a) General Concept

1. Discussion of
cons iderations.

comp 1 i ance

with

offsite

runoff

2. Discussion of anticipated and proposed drainage patterns.

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