Article 13. MISCELLANEOUS REGULATIONS FOR PROFESSIONS AND TRADES

§ 964. CRUSHING ROCK, ETC., WITHIN CERTAIN HOURS, ETC., PROHIBITED.

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No person, firm or corporation shall carry on the business of crushing rock, brick or concrete by machinery or otherwise in the City and County of San Francisco unless the place where such business is conducted and carried on is so enclosed as to prevent the deposit or scattering of rock, dust or debris outside of said enclosure upon the public streets, highways or squares, or property of adjacent owners; and no such machinery shall be operated within the fire limit of said City and County between the hours of 6:00 p.m. and the hour of 6:00 a.m. of the following day.
(Added by Ord. 1.075, App. 10/11/38)

                    
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