§ 1408.16  HEALTH HAZARDS.
   (a)   Every construction or maintenance operation that results in the diffusion of dust, stone and other small particles, toxic gases or other harmful substances in quantities hazardous to health shall be safeguarded by means of local ventilation or other protective devices to insure the safety of the public as required by the regulations of the Superintendent of Inspection.
   (b)   Dust, sand blasts, steam, water or other harmful agents when employed or occurring in construction operations shall be disposed of at or near the point of origin to prevent their diffusion over adjoining premises or streets.
(Ord. 3229, passed 10-24-1956)