12.2. Exercise: 12.2

Try these first

1. 1.

   What is the height of the riser in the exercise?

   Hint

   Look back at the measurements provided.

2. 2.

   What are the inside dimensions of the staircase?

   Hint

   Refer to the specifications in the exercise.

3. 3.

   What is the tread measurement specified for the exercise?

   • 400mm
   • 300mm
   • 250mm

   Hint

   Think about how much surface area is needed for foot placement.

4. 4.

   True or False: The width of the landing is 2m.

   • True
   • False

   Hint

   Refer back to the details in the exercise for correct measurements.

5. 5.

   Calculate the total number of treads and risers required for a 3.6m height, given the dimensions.

   Hint

   Divide the total height by riser height for risers, subtract one for treads.

6. 6.

   Discuss the design implications if the tread is increased to 400mm.

   Hint

   Consider how changes in one dimension affect the design as a whole.