G6 - Concrete Stairs Flashcards
What is a landing?
an area of the stairs between flights or at the top and bottom of each flight
What is a riser?
vertical part at the front of each step
What is tread run?
distance from the face of one riser to the face of the next
What are concrete stair forms made from?
metal, plastic, plywood, dimensional lumber or any combination
Which of the following statements best describe the requirements for a large set of exterior concrete stairs?
They must have a foundation that extends to firm bearing soil
What is the name of the part of a concrete stair form that supports the underside of the stair while the concrete is placed?
soffit
When are reinforcing bars installed during construction of concrete stair forms?
before riser forms have been set
How do you ensure easy stripping of pre-cast concrete stairs forms?
Oil and/or taper the forms before placing the concrete
What is the definition of “run”?
the distance from face of riser to face of riser
What are the minimum and maximum rise and run dimensions for service stairs?
rise 125- no limit, run no limit-355