California Code of Regulations
Title 8 - Industrial Relations
Division 1 - Department of Industrial Relations
Chapter 4 - Division of Industrial Safety
Subchapter 4 - Construction Safety Orders
Appendix B - Handy Construction Data; Facts; and Information
Plate B-1 - Handy Things to Know
Universal Citation: 8 CA Code of Regs Plate B-1
Current through Register 2024 Notice Reg. No. 38, September 20, 2024
1. TO FIND--
(a) the circumference of a circle, multiply the diameter by 3.1416 (approx. 3 1/7).
(b) the diameter of a circle, multiply the circumference by .31831.
(c) the area of a circle, multiply the square of the diameter by .7854.
(d) the area of a triangle, multiply the base by 1/2 the perpendicular height.
(e) the volume of a sphere, multiply cube of the diameter by .5236.
A gallon of water weighs 8 1/2 pounds.
A gallon of water contains 231 cubic inches.
A cubic foot of water contains 7 1/2 gals., 1728 cubic inches and weighs 62 1/2 lbs.
In board measure all boards are assumed to be 1 inch thick. Area of a lineal foot multiplied by length in feet will give the surface contents in square feet.
Disclaimer: These regulations may not be the most recent version. California may have more current or accurate information. We make no warranties or guarantees about the accuracy, completeness, or adequacy of the information contained on this site or the information linked to on the state site. Please check official sources.
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