The obligations imposed upon the grantee by the express terms of the franchise, or implied by the terms of this chapter or any other ordinance affecting the same, shall be deemed to include every employee, nominee or independent contractor of the grantee performing work in the city streets, or other city property, under contract direction, request or authority of the grantee under this franchise, and the grantee, its agent, employee or independent contractor, severally, shall be responsible to the city for any injury or damage to city property or the expense incurred or suffered by the city in correcting defects in work replacing city streets or other improvements damaged by the acts or neglect of such servants, agents or independent contractors of grantee. (Ord. 5532 § 2, 2004.)