A positive action parking brake which will set the wheel brakes on at least one axle shall be provided on vehicles equipped with air brakes, and shall be used during bulk delivery operations. Wheel chocks shall supplement parking brakes whenever conditions require, such as unlevel ground.
N.H. Admin. Code § Saf-C 1636.03
#2220, eff 12-31-82; ss by #2837, eff 8-27-84; ss by #4584, eff 3-3-89; ss by #5996, INTERIM, eff 3-3-95, EXPIRES, 7-1-95; ss by #6054, eff 7-1-95, EXPIRED: 7-1-03
New. #8116, INTERIM, eff 7-14-04, EXPIRES: 1-10-05; ss by #8231, eff 12-20-04