Before issuing the permit, the City Engineer shall require that the applicant for a permit, or his contractor, file a certificate satisfactory to the City Attorney showing that he is insured against claims for damages for personal injury as well as claims for property damage, including damage to the City by deposit or washing of material onto City streets, which may arise from or out of the performance of the work whether such performance be by himself, his subcontractor or any person directly or indirectly employed by him. (Ord. 3411 § 2 (part); April 1, 1975.)