Dam/Levee System Evaluation Plans

Dam/Levee System Evaluation Plans

DAM/LEVEE SYSTEM EVALUATION PLANS

MINIMUM TECHNICAL REQUIREMENTS

Title page

Table of contents

Numbered pages

A 2-4 page executive summary

Maps, photographs, and/or drawings sufficient to illustrate the critical elementsof the planning document

Clear easily readable illustrations, tables, and maps

Clear concise readable text with a minimum of professional jargon

Sources clearly indicated in tables and/or by footnote in text

Provide one (1) digital copy and ten (10) hard copies of the plan (of which one copy will be submitted to the IOCRA)

The planning study will comply with:

For Dams – DNR Guidelines for new and existing dams per:

For Levees – FEMA Levee System Information available at:

ELEMENTS OF THE PLAN

A. INTRODUCTION/EXECUTIVE SUMMARY

Objectives of the plan

Scope of the plan

Events that led to the planning process

Who commissioned the plan

Process used in developing the plan

  • Community meetings/discussion

How to use the plan

B. EXISTING FACILITIES:

Project Planning Area

  • Location (maps, photographs, sketches)
  • Environmental resources present
  • History
  • Growth areas and population trends

Existing Facilities/Conditions:

  • Hydrology and Hydraulics
  • Background, Purpose, Hydraulic Models, etc…
  • Dam/Levee Freeboard
  • Dam/Levee Foundation Stability
  • Bank Erosion
  • Field Inspection, Previous Reports, Risk Factors, Priorities
  • Needed Improvements
  • Dam/Levee, Erosion Control, etc…
  • Financial status of facilities
  1. NEED FOR PROJECT

Health, Sanitation, Security

System Operations/Maintenance

Growth

D. FEASABILITY STUDY OF ALTERNATIVES

Prioritized outline of specific, quantifiable alternativeactions in logical order or phases, including proposed:

  • Description/Design Criteria
  • Maps
  • Environmental Impacts
  • Impacts/Mitigation of Dam/Levee and Erosion Treatments
  • Land Requirements
  • Construction Considerations
  • General estimates of costs (construction, non-construction, mitigation, O&M)
  • Advantages/Disadvantages of each alternative

Discussion of a decommissioning alternative

  • Description/Design Criteria
  • Maps
  • Impacts
  • Land Requirements
  • Construction Considerations
  • General estimates of costs (construction, non-construction, mitigation)
  • Advantages/Disadvantages of alternative
  1. RECOMMENDED ALTERNATIVE

Overview of identified deficiencies

Project Design

Cost Estimates and financial considerations

  • Future Emergency Action Plan Updates
  • Future Inspection Costs

Timetable

Financial tools - local assessments, grants, tax credits

Legal tools - ordinances, enforcement policy

Groups and organizations that can help with implementation

Proposed revisions and re-connections to existing plans and land use regulations

  1. SUMMARY/CONCLUSIONS

Overview of the plan, process and who was involved

Timeframes and mechanisms for evaluation, monitoring and updating the plan

G.APPENDICES

Survey information

Specifications on materials or products

Details of any elements of the plan

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