It shall be unlawful for any person to cut or dig into any street, alley or public ground of the city for any purpose, without first filing an application for a permit with the city Clerk-Treasurer, describing the location of the proposed excavation, its kind and dimensions and for what purpose and filing with the Clerk-Treasurer a bond in the sum of not less than $1,000 payable to the city, which bond shall be approved by the Mayor. Such bond shall be conditioned that the person bound thereby shall do the work in a workmanlike manner, shall properly fill in and tamp the excavation or opening made and properly relay any pavement, gutter or sidewalks displaced, and in all respects save the city harmless from any loss, cost or damage, by reason of such work or excavation and to keep such street, alley or public place in which the excavation has been made in repair and in as good a condition as it was before the excavation was made for the period of one year; provided, that a single or continuing bond may be given to embrace any or all work in this section mentioned which the petitioner may desire to do, in a period of one year from the filing of his bond. Such continuing bond shall be in the sum of not less than $5,000 and may be renewed at the end of each year upon application and the approval of such renewal by the Mayor.
('74 Code, § 13-12) Penalty, see § 95.99