Reglamento General de Seguridad e Higiene Industrial, Cap. IV -- Ascensores de personas. No incluido en el índice bajo Ley 149 de 12 dic, 2005

point two (2) inches away from the open jamb to a point two (2) inches away from the opposite jamb. 2. With center-opening or two-speed centeropening doors, determine the time required for the leading edge of the door to travel from a point one (1) inch away from the open jamb to a point one (1) inch. from the center meeting points of the doors. b. The force necessary to prevent closing of the hoistway door (or the car door or gate if power operated) from rest shall be not more than thirty (30) pounds. Ibid