When the owner has received notice to repave or repair the sidewalk as provided by Section 903.03, and if the owner of any such lot fails to repave the sidewalk abutting upon his lot within twenty days after the service of such notice upon him, or fails to repair such sidewalk within five days after notice to do so has been served upon him, Council may have such sidewalk repaved or repaired as soon as practicable.
No owner of any property abutting upon any sidewalk for the relaying or repairing of which notice has been given him pursuant to a resolution of Council, provided for by Section 903.03, shall fail to so relay or repair the sidewalks, as the case may be, within the time specified in such resolution and notice. (1947 Code §25.43)