15-28-1080 Ventilation.

   Every grinding or dust-producing room, shall have means of natural ventilation or vent flues as required by Section 15-28-260 for material heating rooms; provided, however, that the combined area of ventilating opening which shall have closures arranged to open automatically in case of explosion or fire shall be not less than ten percent of the floor area of the room, and the combined area of vent flues, in lieu of ventilating openings shall be not less than eight percent of the floor area.

(Prior code §  92-97; Amend Coun. J. 6-14-95, p. 2841)

15-28-1090 Inspection of ventilators.

   Ventilators. All ventilators, overbalanced sash and similar devices, required by this Code, designed to afford pressure relief in case of explosion, shall be inspected at intervals sufficiently frequent to insure their constant operating efficiency.

(Prior code §  92-98)

15-28-1100 Grounding of equipment.

   In every grinding or dust-producing area, all metal parts of machinery or equipment shall be positively grounded to prevent static electricity buildup and smoking or the use of any device employing an open flame is prohibited.

(Prior code §  92-99)