Federal Guidelines for Dam Safety: Selecting and Accommodating

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IDF SELECTION PROCEDURES: SELECTING THE APPROPRIATE IDF INTRODUCTION PROCEDURES FOR DETERMINING THE APPROPRIATE IDF AND THE NEED FOR REMEDIAL ACTION Flowchart 1 presents a logical, step-by-step approach for evaluating the hydrologic design of an existing dam, and determining the appropriate IDF for the dam and whether remedial action is needed in order for the dam to safely accommodate the IDF. Flowchart 1 is on the next page. >
FLOWCHART 1 – PROCEDURES FOR DETERMINING THE APPROPRIATE INFLOW DESIGN FLOOD (IDF) AND THE NEED FOR REMEDIAL ACTION
Page 1 and 2: Federal Guidelines for Dam Safety S
Page 3 and 4: PREFACE In April 1977, President C
Page 5 and 6: TABLE OF CONTENTS I. INTRODUCTION
Page 7 and 8: I. INTRODUCTION A. Purpose The purp
Page 9 and 10: professional societies, and private
Page 11 and 12: II. DEFINITION OF TERMS This chapte
Page 13 and 14: used in the design or evaluation of
Page 15 and 16: Auxiliary Spillway: Any secondary s
Page 17 and 18: III. SELECTING INFLOW DESIGN FLOODS
Page 19 and 20: Erosion that occurs due to flow con
Page 21 and 22: circumstances beyond loss of life a
Page 23 and 24: • Floodflows are confined within
Page 25 and 26: It is important to investigate the
Page 27 and 28: applicable to the facility. General
Page 29 and 30: IV. ACCOMMODATING INFLOW DESIGN FLO
Page 31 and 32: downstream dams would breach in a d
Page 33 and 34: Auxiliary spillways are usually des
Page 35 and 36: an area with potential for intense
Page 37 and 38: Appendix A - References By Topic Fl
Page 39 and 40: E. Henderson, F. M., Open Channel F
Page 41: Appendix B - Inflow Design Flood Se
Page 45 and 46: IDF SELECTION PROCEDURES: DETERMINI
Page 51 and 52: FLOWCHART 2 - PROCEDURES FOR CONDUC
Page 53 and 54: IDF SELECTION PROCEDURES: PERFORMIN
Page 55 and 56: IDF SELECTION PROCEDURES: PERFORMIN
Page 57 and 58: FIGURE 1 - ILLUSTRATION OF INCREMEN

Federal Guidelines for Dam Safety: Selecting and Accommodating

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