RDR 3 Report - Flood Control District of Maricopa County

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Durango Area Drainage Master Plan Recommended Design Report FCD #99-41 Prepared for: Prepared by: In Cooperation With: McCloskey Peltz, Inc. L A N D S C A P E A R C H I T E C T S and October 2002
DURANGO AREA DRAINAGE MASTER PLAN RECOMMENDED DESIGN REPORT TABLE OF CONTENTS Page I. INTRODUCTION ................................... 1 A. Objective ................................. 1 B. Study Area Location ....................... 1 C. Existing Reports ........................... 1 D. Project Coordination ....................... 1 E. Public Involvement ........................ 3 F. Deliverables .............................. 3 G. Acknowledgments ......................... 3 H. Consultant Project Team ................... 3 II. HYDROLOGY ..................................... 4 A. Introduction .............................. 4 B. Methodology .............................. 4 C. Hydrologic Criteria ........................ 4 D. Drainage Area Characteristics ............... 4 E. Build-Out Conditions Hydrology ............. 4 III. DESIGN CRITERIA & OBJECTIVES ................ 7 A. Introduction .............................. 7 B. Design Criteria ............................ 7 C. Design Calculations ........................ 8 IV. EXISTING UTILITIES & PLANNING CONSTRAINTS .............................................. 11 A. Introduction ............................. 11 B. Existing Utilities .......................... 11 C. Existing Drainage Features ................. 14 D. Planned Private Development ............... 14 E. Planned Public Improvements .............. 14 Page V. RECOMMENDED PLAN ............................16 A. Introduction ..............................16 B. Floodplain Impacts ........................16 C. Traffic ...................................17 D. Durango Regional Outfall Channel ...........17 E. Durango Regional Outfall Basin #1 ...........17 F. Durango Regional Outfall Basin #2 & 99 th Ave Lateral ...................................18 G. Durango Regional Outfall Basins #3a/3b & 91 st Ave Lateral ...................................18 H. Durango Regional Conveyance Channel .......18 I. Durango Regional Conveyance Basin #1 .......19 J. Durango Regional Conveyance Basin #2 .......19 K. Durango Regional Conveyance Basin #3 .......20 L. Durango Regional Conveyance Basin #4 .......20 M. Sunland Avenue Channel ...................20 N. 47 th Avenue Detention Basin and Channel .....21 O. 47 th Avenue Channel .......................21 P. Tres Rios Retention Basins ..................21 Q. Watershed Build-Out Conditions .............22 VI. LANDSCAPE, AESTHETICS & MULTI-USE .........25 A. Introduction ..............................25 B. Recommended Plan ........................25 C. Durango Regional Outfall Channel, Basins and Laterals ..................................26 D. Durango Regional Conveyance Channel and Basins (DRC) ...................................29 E. 47 th Avenue Channel, Basin, and Inlet .........34 F. Future Related Projects .....................37 G. Public Sensing ............................37 H. Special Considerations .....................37 Page VII. ENVIRONMENTAL & PERMIT ISSUES ............42 A. Introduction ..............................42 B. Ecological Assessment ......................42 C. Cultural Resources ........................42 D. Environmental Permits & Approvals .........43 E. Potential Environmental Contamination .......43 F. Social and Economic Issues ..................44 VIII. IMPLEMENTATION PLAN .......................45 A. Introduction ..............................45 B. Construction Phasing ......................45 C. Project Funding ...........................46 D. Key Success Factors ........................48 IX. MAINTENANCE PLAN ............................54 A. Introduction ..............................54 B. Operation & Maintenance Guidelines .........54 C. Maintenance Costs .........................54 X. REFERENCES .....................................55 DIBBLE & ASSOCIATES i DURANGO AREA DRAINAGE MASTER PLAN August 2002 RECOMMENDED DESIGN REPORT
Page 1: Durango Area Drainage Master Plan R
Page 5: I. INTRODUCTION A. Objective This R
Page 8 and 9: II. HYDROLOGY A. Introduction The h
Page 10 and 11: 7/18/02 Figure II-2. - Build-Out Co
Page 12 and 13: Concrete Lining - For planning purp
Page 14 and 15: 3. Detention Basins Detention basin
Page 16: continuing to receive such requests
Page 20 and 21: V. RECOMMENDED PLAN A. Introduction
Page 22 and 23: 4. Environmental Considerations: a.
Page 24 and 25: 4. Environmental Considerations: a.
Page 26: Q. Watershed Build-Out Conditions D
Page 30 and 31: 3. Multiple Use Opportunities The r
Page 32 and 33: UPRR at 107th Avenue (Photo key loc
Page 34 and 35: agricultural lands which are quickl
Page 36 and 37: Durango Regional Conveyance Channel
Page 38 and 39: Grading. Slopes and grading for bot
Page 40 and 41: 2. Desired Landscape Character Them
Page 42: 2. Retention Basin Aesthetics & Mul
Page 47 and 48: It is recommended that construction
Page 49 and 50: VIII. IMPLEMENTATION PLAN A. Introd
Page 51 and 52: Maricopa County Department of Trans
Page 53:
Table 2 - Recommended Plan Estimate
Page 56 and 57:
Durango ADMP TABLE 4 - PROJECT COST
Page 58 and 59:
IX. MAINTENANCE PLAN A. Introductio
Page 60:
U.S. Army Corps of Engineers, Hydro
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RDR 3 Report - Flood Control District of Maricopa County

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