FLOOD05866

• County: Summit
• Community: Breckenridge
• Stream Name: Blue River
• Basin: Colorado Mainstem
• Title: Draft Master Drainage Plan Breckenridge
• Date: 12/5/1989
• Prepared For: Breckenridge
• Prepared By: Lenzotti & Fullerton
• Floodplain - Doc Type: Floodplain Report/Masterplan

TABLE OF CONTENTS (cont.)

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DETENTION
WATER OUALITY
SECTION VI - REFERENCES
TECHNICAL REFERENCES
LOCAL DOCUMENTS
MAPPING
PROJECT DRAINAGE STUDIES

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LIST OF TABLES
TABLE 2.1 - BRECKENRIDGE CLIMATICAL DATA 1948-1986 3
TABLE 2.2 - USGS STATIONS CONSIDERED IN REGIONAL FREQUENCY 6
ANALYSIS
TABLE 2.3 - RESULTS OF FREQUENCY ANALYSIS AT INDIVIDUAL STA. 7
TABLE 2.4 - PEAK DISCHARGES FOR REGIONAL ANALYSIS AND COM- 9
PARISON WITH FEMA VALUES
TABLE 2.5 - 24-HOUR POINT RAINFALL VOLUMES 12
TABLE 2.6 - SCS TYPE-II STORM DISTRIBUTION 13
TABLE 2.7 - INITIAL CURVE NUMBERS BASED ON SOIL GROUP AND 13
LAND USE/COVER
TABLE 2.8 - RESULTS OF HEC-1, 24-HOUR STORM MODELING 15
TABLE 2.9 - COMPARISON OF HEC-1 AND FEMA DISCHARGES 16
TABLE 2.10 - ADOPTED PEAK FLOWS FOR THE BLUE RIVER AND ITS 17
MAJOR TRIBUTARIES
TABLE 2.11 ONE-HOUR RAINFALL VOLUMES 22
TABLE 2.12 - ONE-HOUR RAINFALL DISTRIBUTIONS 22
TABLE 2.13 - RESULTS OF SWMM ANALYSIS 23
TABLE 3.1 - 100-YEAR FLOOD LEVELS 31
TABLE 5.1 - DETENTION REQUIREMENTS 50

LIST OF FIGURES

FIGURE 1 - MASTER PLAN AREA MAP

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LIST OF PLATES

PLATE 1 - MAJOR DRAINAGE BASIN DELINEATION MAP
PLATE 2 - MAJOR DRAINAGE BASIN DELINEATION MAP
PLATE 3 - DETAILED DRAINAGE MAPPING
PLATE 4 - DETAILED DRAINAGE MAPPING
PLATE 5 - DET.AlLED DRAINAGE MAPPING
PLATE 6 - DETAILED DRAINAGE MAPPING
PLATE 7 - DETAILED DRAINAGE MAPPING
PLATE 8 - DETAILED DRAINAGE MAPPING
PLATE 9 - DETAILED DRAINAGE MAPPING
PLATE 10 - DETAILED DRAINAGE MAPPING
PLATE 11 - DETAILED DRAINAGE MAPPING

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