2.5. Rain loads

Try these first

1. 1.

   What is a rain load?

   Hint

   Think about what happens when it rains.

2. 2.

   Why is drainage important?

   Hint

   Consider water management in buildings.

3. 3.

   What do rain loads refer to?

   • Weight of accumulated snow
   • Weight of accumulated rainwater
   • Weight due to wind pressure

   Hint

   Recall the impact of rain on roofs.

4. 4.

   True or False: Drainage systems are not necessary for roofs with a slight pitch.

   • True
   • False

   Hint

   Think about what happens when it rains, regardless of roof slope.

5. 5.

   A commercial building has a flat roof with an area of 400 square meters. A storm is expected to deliver 80 mm of rain. What is the total rain load on the roof?

   Hint

   Convert mm to meters for the calculation.

6. 6.

   Discuss the implications of local government regulations regarding rain water management for new constructions in flood-prone areas. How should a civil engineer incorporate these regulations into their designs?

   Hint

   Think about regulations that exist to protect buildings from flood damage.