G6 - Construct Concrete Stairs

Question 1

How are treads given a slope?

Answer 1

Cut riser forms 3 mm less in width

Question 2

How is an entrance stair for a residence built?

Answer 2

1 x 8 or plywood box.

Question 3

The treads need what kind of slope?

Answer 3

Slight slope (1/8th of an inch) toward the nosing of the tread, for drainage.

Question 4

If an exposed finish is to be used on a riser board, the inside surface of the riser board is:

Answer 4

Sprayed with an exposing chemical that retards the setting of the cement paste. The riser boards are stripped the next day and the cement paste is washed off.

Question 5

A reverse stringer is used to support the riser form, bevels are usually:

Answer 5

45 degrees

Question 6

Landing and soffit of stair should be reinforced with:

Answer 6

15 M bars at 200 MM OC, each way

Question 7

Landings and treads must have a slope of at least:

Answer 7

1/8th of an inch, per foot, directed away from the buildings

Question 8

What is the tread depth

Answer 8

Unit of run plus the nosing allowance

Question 9

Answer 9

Double L stairway