City of Lincoln
November 19, 2002 Meeting Materials

Alternative Floodplain Management Strategies Study

Watershed Management | Mayor's Floodplain Task Force | Meetings Materials | 2002 | November 19, 2002 | Alternative Floodplain Management Strategies Study

* All files in Acrobat (PDF) format.

Cover (28 K)

Executive Summary (28 K)

Introduction (56 K)

• 1.1 Purpose (47 K)
• 1.2 Scope of Services (50 K)
• 1.3 Definition of Terms (58 K)

Economic Impact of Implementing Floodplain Management Alternatives Along Deadmans Run Between 33rd and 56th Streets Fact Sheets Handout

• 2.1 Overview (56 K)
• 2.2 Data Collection and Review (51 K)
• 2.3 Economic Evaluation Methodology (51 K)
  • 2.3.1 Public Building Flood Damage (53 K)
  • 2.3.2 Public Access Street Flood Damage (47 K)
  • 2.3.3 Stream Crossing Structures Flood Damage (47 K)
• 2.4 Results and Conclusions (60 K)

Economic Impact of Implementing Floodplain Management Alternatives in New Development (53 K)

• 3.1 Residential Development Scenarios (44 K)
  • 3.1.1 One-Foot Rise Floodway (41 K)
  • 3.1.2 Half-Foot Rise Floodway (50 K)
  • 3.1.3 No Net Rise/Compensatory Storage (49 K)
  • 3.1.4 Community Unit Plan (CUP) (52 K)
  • 3.1.5 Residential Development Costs (49 K)
• 3.2 Commercial Development Scenarios (49 K)
  • 3.2.1 One-Foot Rise Floodway (50 K)
  • 3.2.2 Half-Foot Rise Floodway (49 K)
  • 3.2.3 No Net Rise/Compensatory Storage (50 K)
  • 3.2.4 Planned Unit Development (PUD) (51 K)
  • 3.2.5 Commercial Development Costs (48 K)
• 3.3 Industrial Development Scenarios (49 K)
  • 3.3.1 One-Foot Rise Floodway (50 K)
  • 3.3.2 Half-Foot Rise Floodway (48 K)
  • 3.3.3 No Net Rise/Compensatory Storage (50 K)
  • 3.3.4 Planned Unit Development (PUD) (50 K)
  • 3.3.5 Industrial Development Costs (49 K)
• 3.4 Results and Conclusions (61 K)

Floodplain Management Alternatives and Example Programs

• 4.1 Example Programs (48 K)
  • 4.1.1 Lake County, Illinois (55 K)
  • 4.1.2 City of Tulsa, Oklahoma (64 K)
  • 4.1.3 Johnson County, Kansas (53 K)
• 4.2 Floodplain Management Alternatives Fact Sheets (52 K)
• 4.3 Communities and Floodplain Management Matrix (51 K)

Appendices

• Appendix A

List of Figures

Section 1

• Figure 1-1 Deadmans Run Study Reach (38 K)
• Figure 1-2 Cross-Section of Floodplain with Floodway (7 K)

Section 2

• Figure 2-1 Public Infrastructure along Study Reach (28 K)
• Figure 2-2 Public Buildings Along Study Reach (617 K)
• Figure 2-3 Building Depth Damage Curve (28 K)
• Figure 2-4 Street Flooding for No Net/Compensatory Storage Alternative (37 K)
• Figure 2-5 Street Flooding for 0.5-ft Rise Alternative (38 K)
• Figure 2-6 Street Flooding for 1.0-ft Rise Alternative (Existing City Policy) (38 K)
• Figure 2-7 Street Flood Depth Damage Curve (10 K)
• Figure 2-8 Economic Evaluation Results Compared to Existing Policy (7 K)

Section 3

• Figure 3-1 Public Infrastructure along Study Reach (553 K)
• Figure 3-2 Public Buildings Along Study Reach (674 K)
• Figure 3-3 Building Depth Damage Curve (572 K)
• Figure 3-4 Street Flooding for No Net/Compensatory Storage Alternative (668 K)
• Figure 3-5 Street Flooding for 0.5-ft Rise Alternative (544 K)
• Figure 3-6 Street Flooding for 1.0-ft Rise Alternative (Existing City Policy) (669 K)
• Figure 3-7 Street Flood Depth Damage Curve (603 K)
• Figure 3-8 Economic Evaluation Results Compared to Existing Policy (684 K)
• Figure 3-9 Public Infrastructure along Study Reach (539 K)
• Figure 3-10 Public Buildings Along Study Reach (692 K)
• Figure 3-11 Building Depth Damage Curve (587 K)
• Figure 3-12 Street Flooding for No Net/Compensatory Storage Alternative (684 K)

Section 4

• Figure 4-1 Locations of Example Floodplain Management Programs (42 K)
• Figure 4-2 Lake County, Illinois Watersheds www.co.lake.il.us/smc (64 K)
• Figure 4-3 Example Floodplain Map, Johnson County, Kansas (798 K)
• Factsheets
  • No-Net Rise and Compensatory Storage (304 K)
  • Property Buyout (312 K)
  • Cluster (Open Space) Development (336 K)
  • Greendfield Approach (617 K)
  • Best Management Development Practices (307 K)
  • Floodplain Mitigation 441 K)
• Floodplain Management Techniques Community Matrix (26 K)

List of Tables

Section 2

• Table 2-1 Public Building Elevations (7 K)
• Table 2-2 Public Building Flooding Depths (7 K)
• Table 2-3 Annual Flood Damage Cost for Public Buildings (22 K)
• Table 2-4 Results of Public Access Street Flooding (21 K)
• Table 2-5 Stream Crossing Structure Elevations (7 K)
• Table 2-6 Results of Economic Evaluation of Stream Crossing Structures (22 K)
• Table 2-7 Overall Results of Economic Evaluation (21 K)
• Table 2-8 Other Tangible and Intangible Costs Associated with Flooding (16 K)

Section 3

• Table 3-1 New Development Scenarios (21 K)
• Table 3-2 Residential Development Costs (6 K)
• Table 3-3 Commercial Development Costs (6 K)
• Table 3-4 Industrial Development Costs (6 K)