FLOOD01910

• County: Larimer
• Community: Fort Collins
• Stream Name: Spring Creek
• Title: Technical Addendum to Hydraulic Evaluation of the Centre Avenue Cridge at Spring Creek
• Date: 11/22/2000
• Prepared For: Fort Collins
• Prepared By: Anderson Consulting Engineers, Inc.
• Floodplain - Doc Type: Floodplain Report/Masterplan

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TABLE OF CONTENTS

Section A:

EXTRAN Analyses

Section A, I : Background Information and Calculations
Section A.2: EXTRAN Inflow Hydrographs (From the Effective SWMM Model)

IO-Year Event
50-Year Event
100, Year Event
500- Year Event

Section A.3: EXTRAN Output for the Calibration Model

lO-year Event
50-year Event
100-year Event
500'year Event

Section A.4: EXTRAN Output for the Post, Project Condition Model

lO,Year Event
50-Year Event
lOO,Year Event
500- Year Event

Section B:

HEC-2 Output for the Duplicate Effective Models

Section B, I: Duplicate Effective Floodplain Analysis
Section B,2: Duplicate Effective Floodway Analysis

Section C:

HEC-2 Output for the Corrected Effective Models

Section C.l: Corrected Effective Floodplain Analysis
Section C.2: Corrected Effective Floodway Analysis

Section 0:

HEC-2 Output for the Post-Project Condition Models

Section 0,1: Post,Project Condition Floodplain Analysis
Section 0,2: Post-Project Condition Floodway Analysis

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