Elevators and Conveying Systems

3001.1 Pur pose. The pur pose of this chap ter is to pro tect per sons, build ings and the con tents thereof from haz ards aris ing from the use of el e va tors, dumb wait ers, ma te rial lifts, es ca la tors and mov ing walks by es tab lish ing min i mum re quire ments reg u lat ing the de sign, con struc tion, al ter ation, op er a tion and main te nance of el e va tors, dumb wait ers, ma te rial lifts, es ca la tors and mov ing walks, and by es tab lish ing pro ce dures by which these re quire ments may be en forced.