place where such house or structure is to be erected; < and it shall be the daty of the Engineer to file In ' the Chamberlain's office a duplicate of said certifi- i cate. If any person shall build, or erect, or at tempt to builder erect, any house or other structure ' upon the line of any such street or alley without having first obtained such certificate, be shall be ined not loot than arc nor more than twenty dol lars." de tl—lt