Stairway, porch, deck and balcony railing, both exterior and interior, shall be designed to resist a simultaneous vertical and horizontal thrust of 50 lbs./ft. (pounds-force, per linear foot) applied at the top of the railing or a concentrated load of 200 lbs./ft. in any direction, whichever produces the greatest stress. For one- and two-family dwelling units, a thrust of 20 lbs./ft. may be used instead of 50 lbs./ft. for interior stair balusters or wall-mounted interior handrails only.
(Prior code § 68-2.3; Added Coun. J. 11-29-89, p. 8387; Amend Coun. J. 10-1-03, p. 9163, § 4.3)