A report to the mayor and City council on flood protection for the city of Columbus, Ohio, September 15th, 1913

Front Cover
The Pfeifer press, printers, 1913 - Nature - 325 pages
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Contents

Figure No P wge 1 General View of the March 1913 Flood at Columbus Ohio Frontispiece
1
PART I
7
Project No 8Cost 245
10
Project No 7Main Features of Design
11
Cross Section Proposed May St Channel
12
TABLES
15
Project No 9Cost 250
22
ACCOUNT OF 1913 FLOOD AND OTHER FLOODS
24
Estimated Hydrographs Scioto and Olentangy Rivers Showing Effect of Detaining Reservoirs
141
DiagramEffect of Various Storage Volumes in Reduc tion of Flood Rates
143
Hydrograph Showing Effect of Reservoirs on Flood of 150000 Sec Ft at Columbus
144
Estimated Hydrographs and Effect of Reservoirs on Flood of 200000 Sec Ft
146
PlanProposed Dublin Dam
147
Typical SectionProposed Overflow Dam
148
PlanProposed Flint Dam
148
PART VIII
150

Flood Wreckage and Debris Below Sullivant Ave Sub way
28
MapWest Side Flood District Showing Principal Flood Currents
29
Flood Wreckage in Toledo and Ohio Central R R Yards
30
Proposed Sandusky St Bridge 162
31
Flood Wreckage at Sullivant Ave Subway
32
MapMaximum Flood Depths in Columbus
33
View South Through Levee Break at Sandusky St
34
10a Flood Zone Value Contour Map
38
Table No Page 1 Summary of Costs of the Ten Projects by Items 20276
40
DiagramRate of Maximum Flood Discharge of Cer
45
RAINSTORM OF MARCH 1913
47
MapRainfall Contours for Total Storm
48
MapRainfall in Ohio March Storm
49
DiagramHourly Accumulation of Rainfall at Columbus
52
MapRainfall Contours March 2327
60
PART IV
61
The Flood Passing the Scioto River Storage Dam
62
Overflow Section Scioto River Storage Dam
64
Values of C for Dams at Various Crest Radii and Various Heads
68
DiagramValues of C for Dams of Various Crest
69
DiagramExperiments of Bazin on BroadCrested Weirs
75
DiagramFlood Flow Scioto River at Storage Dam
79
Relation between Scioto and Olentangy Floods
83
DiagramSimultaneous Guage Readings Places near
86
DiagramRelation between Guage Heights Mound
93
DiagramSimultaneous Gauge Readings at Storage
99
REASONABLE PROVISION FOR FUTURE FLOODS
102
Hydraulic Elements and Flow Coefficients in the Upper Scioto River 86
103
Maximum Floods in Each Year Scioto and Olentangy Rivers
104
tain American and European Rivers
106
Maximum Rainfall Rates
111
PART VI
114
ProfileMarch 1913 Flood at Columbus
116
The Scioto River at Kenton Ohio
128
Comparison of Storage Reservoirs on the Scioto and Olentangy Rivers
132
DiagramRelation of Proposed Storage Reservoirs to Columbus
133
Reservoir Capacities Required to Reduce Maximum Flood Rate of 1913 to Other Floods
135
Hydrographs of Scioto River Showing Effect of Detain ing Reservoirs
138
Project No 1Main Features of Design
152
Project No 1Cost
154
Typical Weir for River Regulation
155
66a Key Diagram for Projects
156
Proposed Bridge and Weir at Mound St
160
SectionProposed Retaining Wall
162
ProfileOlentangy River Improvements
170
Project No 2Main Features of Design
177
Project No 2Cost
179
View Along Proposed May St Channel
186
Project No 3Main Features of Design
189
Project No 3Cost
190
Project No 3Bridges
191
6 ProfileProposed Asylum Channel
196
View Along Proposed Asylum Channel
204
Project No 4Main Features of Design
207
Project No 5Main Features of Design
219
Projr No 6Cost
229
Project No 6Bridges
230
Project No 6Main Features of Design 22S 81 Project No 7Main Features of Design
239
ProfileProposed New Flood Water Levels on Improved Projects
240
Project No 7Bridges
241
Project No 8Main Features of Design
244
Project No 9Main Features of Design
249
Project No 10Main Features of Design
257
PART IX
263
Scioto River North from Broad St
266
PART X
270
Summary of Costs of the Ten Projects by Sections
276
APPENDIX A
282
APPENDIX B
293
Map Showing Location of High Water Marks March 1913 Flood
300
LIST OF FLOOD ELEVATIONS 1913 FLOOD
301
DETAILED ESTIMATES OF COST PROJECTS 7 and 8
309
APPENDIX D
319
Project No 12Cost
322
Project No 13Cost
324

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