Floodproofing Techniques

Below is a list of techniques that are available for flood proofing commercial properties along with fact sheets explaining each technique in more detail.

Building Modifications:

• Waterproof exterior building walls
• Water-tight door systems
• Water-tight window systems
• Protection of utility equipment/ connection with sealants
• Flood shields for opening in exterior walls
• Storm and sanitary sewer backflow valves
• Creating new and elevating existing exterior stairways above the flood level
• Flood openings for equalizations
• Raising electrical and mechanical systems above the high water elevation

Site Modifications:

• Floodwalls
• Flood gates
• Site re-grading
  

Owner / Tenant Responses:

• Sandbags
• Water activated flood barriers
  

Owner / Tenant Practices:

• Storing materials above the high water level
• Flood Emergency Response Plan Template
  

Site-Investigation and Recommendation:

As part of this program, the City has completed site investigations and a flood risk assessment for eligible properties.