What is the latest version of ACI 117?
What is the latest version of ACI 117?
ACI 117-10 supersedes ACI 117-06 and was adopted March 1, 2010 and published June 2010.
What is the acceptable tolerance for a concrete slab?
Traditionally allowable tolerances of concrete floor slabs were determined by checking the slab surface with a 10 foot straightedge. Common tolerances were 1/8 inch or 1/4 inch in 10 feet.
What is concrete tolerance?
Definition: the permitted deviation from a specified dimension, location, or quantity.- ACI Concrete Terminology. Tolerances are a means to establish permissible variation in dimension and location, giving both the designer and the contractor limits within which the work is to be performed.
What does FF and FL mean?
Floor Flatness (FF): The FF number essentially tells you how flat your concrete floor is. Bumps and grooves cause your Floor Flatness numbers to drop. Higher F-numbers equal flatter floors. Floor Levelness (FL): The FL number indicates if you have any tilts or pitches in the slab.
How out of plumb can a wall be?
Walls shall not be out of plumb greater than 1 1/2 inches in 8 feet when measured from the base to the top of the wall. Wood framed walls shall not be more than 3/8 inch out of plumb for every 32 inches in any vertical measurement. All interior and exterior walls have slight variances in their finished surfaces.
How far out of square is acceptable for a foundation?
Foundations walls should be level within 1/4 inch in 10 feet, while the entire foundation should be level within 1/2 inch. The Handbook states that there is no single accepted tolerance for rough framing, although a tolerance of 1/4 inch in 10 feet is frequently used and is acceptable.
What is class B concrete used for?
Class B – Footings, pedestals, massive pier shafts, pipe bedding, and gravity walls, unreinforced or with only a small amount of reinforcement.