A.   Gutters And Pipes: It is unlawful for any person to obstruct any of the gutters on any street within the city, or to obstruct any artificial carrier or conductor of any surface waters; or to, in any manner, obstruct any pipe, drain, sewer or other carrier or conductor of surface waters or sewerage whether above or underneath any street or property within the city by placing thereon or therein any dirt, refuse, snow, ice or any other matter or thing which shall in any manner prevent the free discharge and drainage of water through, over or in such gutters, pipes or other carriers or drains. (1983 Code § 12.04.070)
   B.   Streets: It is unlawful for any person to in any manner obstruct any of the streets or avenues within the city by placing or leaving thereon any brick, rock or any other material which will have a tendency to obstruct or blockade the free use of such streets or avenues; provided, however, that nothing herein contained shall prevent the city council or the street and alley committee of the city from authorizing the use of such portions of any street or avenue as may be necessary for the piling of lumber and building material to be used in the actual construction of buildings, or in the repair or alteration of existing buildings. (1983 Code § 12.04.080)