Section 24-411. Removal of abandoned poles

a. All telegraph, telephone and
  electric light poles, wires or conductors which shall  hereafter  remain
  or  stand  disused,  or become disused or abandoned, in, or over or upon
  any street, shall be forthwith removed, but for sufficient  cause  shown
  the commissioner of transportation may extend the time for such removal,
  by one or more orders, for periods not exceeding one year each.
    b. The persons owning, operating, managing or controlling poles, wires
  or  appurtenances  which may have been so disused or abandoned, or which
  may be dangerous or unsafe, shall take down and remove  them,  and  upon
  their  failure to do so, the commissioner of design and construction, in
  accordance with chapter fifty-five  of  the  charter,  unless  otherwise
  directed  by  the  mayor pursuant to such chapter, shall remove the same
  forthwith, at the expense of such  persons.  Before  such  removal,  the
  commissioner  of  transportation  or  the  commissioner  of  design  and
  construction, except where a condition of danger exists,  shall  mail  a
  notice  thereof  to  the  last  known address of such persons, a copy of
  which shall be posted for a period of ten days on  each  of  such  poles
  prior to its removal.
    c.  Any  person  convicted  of a violation of any of the provisions of
  this section shall be punished by a fine of not less  than  two  hundred
  fifty nor more than five hundred dollars, imprisonment for not more than
  ten days, or both.