CRL Codes & Compliance Standards

Question 1

Under the ADA Standards, what is the maximum force allowed to operate accessible door hardware such as a lever?

Accepted Answer

5 pounds-force

Answer

Operable parts must require no more than 5 lbf to operate.

Question 2

Accessible door hardware must be mounted within what range above the finished floor?

Accepted Answer

34 to 48 inches

Answer

ADA requires operable hardware between 34 and 48 inches above the floor.

Question 3

Which type of door hardware generally satisfies ADA operability requirements?

Accepted Answer

Lever handle operable with a closed fist

Answer

Hardware must work without tight grasping, pinching, or twisting of the wrist, which levers allow.

Question 4

For a door closer on an accessible door, the minimum time for the door to move from 90 degrees open to 12 degrees is:

Accepted Answer

5 seconds

Answer

ADA sets a 5-second minimum closing sweep period from 90 to 12 degrees.

Question 5

What is the maximum height of a door threshold on an accessible route if beveled?

Accepted Answer

1/2 inch

Answer

Thresholds may be up to 1/2 inch high, with changes over 1/4 inch beveled.

CRL - Certified Registered Locksmith Practice Test