Wavebreakmedia Ltd/Wavebreak Media/Getty Images. Reps and sets are terms used in weight training exercises. They differentiate between the numbers of lifts that are done in quick succession and the number of times the series is repeated during an exercise session. A rep, or repetition, is the actual lifting and lowering of a a weight.
Standard door sizes start at 1 foot 6 inches and are offered at 2-inch increases to 3-feet wide. Fitting with standard door openings, stock door heights are 6 feet 8 inches; 7 feet; and 8 feet. If you live in an older house or have an unusual door opening, there are manufacturers who offer custom sizes. Doors are also available in a variety of colors.
ADA/ANSI Guidelines: 1  Clear openings of doorways with swinging doors shall be measured between the face of door and stop, with the door open 90 degrees. (ANSI 404.2.3) 2  When a passage exceeds 24 in depth, the minimum clear opening increases to 36. (ANSI A117.1 404)