Prevent flood losses

Flood loss scenario seems to be spiraling upward at an increasingly high rate. Factors contributing to this are climate change, modification of landscape, settlement in areas near to water bodies, higher vulnerability and lack of risk awareness among property owners.

1. Site Selection
Better site selecting is far easier to implement than designing a facility located in a flood prone area from getting flooded.

2. Construction
Elevate the building such that it is higher than the highest predicted flood level for a 250 year flood return period. Where elevation is difficult, identify the flood prone buildings/ areas and minimize flood impact through design and higher plinth heights

3. Drainage
Ensure water runoff originating from off-site areas is included in the facility’s site water management plan. Use grates, trash racks to protect inlet to all drains & storm-water drainage systems against debris blockage. Never use wood chips, pine needles as these will be displaced by rain water.

4. Inspection and Maintenance
Maintain roof anchors to help prevent collapse or “blow off” of roof due to strong winds. Clean roof drains, internal/ external drainages, before/ during monsoons. Check for broken glass panes to prevent possible water entry through openings. Maintain all de-watering pumps to ensure that they are fit for operation during an emergency.

5. Engineering Controls
Flood gates, stop logs, water barrier tubes are measures that help prevent water entry. Protecting door openings of flood prone areas with raised sills helps control flooding. Sandbags can be used as an emergency stop gap measure.

6. Loss Prevention
In the event of imminent flooding, shift valuable stock/property to higher floors, elevated locations, or safer places. Switch off/ disconnect power supply to prevent short circuits

7. Fire Protection
A plan to put fire protection systems into service promptly after the incident should be in place. Examine the fire pump water source (particularly for open bodies of water) to ensure debris are not clogging the suction lines of the fire pump.

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