1607.4 Concentrated Live Loads

Floors and other similar surfaces shall be designed to support the uniformly distributed live loads prescribed in Section 1607.3 or the concentrated live ...

The uniformly distributed, concentrated and impact floor live load used in the design shall be indicated for floor areas. Use of live load reduction ...

The minimum uniformly distributed live load shall be as provided in Table R301.5. TABLE R301.5 MINIMUM UNIFORMLY DISTRIBUTED LIVE LOADS (in pounds per square foot) USE LIVE LOAD Uninhabitable attics without storage b 10 Uninhabitable attics with limited storage b, g 20 Habitable attics and attics served with fixed stairs 30 Balconies (exterior) and decks e 40 Fire escapes 40 Guards and handrails d 200 h Guard in-fill components f 50 h Passenger vehicle garages a 50 a Rooms other than sleeping rooms 40 Sleeping rooms 30 Stairs 40 c For SI: 1 pound per square foot = 0.0479 kPa, 1 square inch = 645 mm 2 , 1 pound = 4.45 N. a. Elevated garage floors shall be capable of supporting a 2,000-pound load applied over a 20-square-inch area. b. Uninhabitable attics without storage are those where the clear height between joists and rafters is not more than 42 inches, or where there are not two or more adjacent trusses with web configurations capable of accommodating an assumed rectangle 42 inches in height by 24 inches in width, or greater, within the plane of the trusses. This live load need not be assumed to act concurrently with any other live load requirements. c. Individual stair treads shall be designed for the uniformly distributed live load or a 300-pound concentrated load ...

Each stair can support at least five times the normal anticipated live load, but never less than a concentrated load of 1,000 pounds (454 kg) applied at any point; ...

Handrails and guards shall be designed to resist a concentrated load of 200 pounds (0.89 kN) in accordance with Section 4.5.1 of ASCE 7 ...