All installation work or repair of connections to the water and sewer systems, including grades, bends, and backfilling, shall be performed under the direction and supervision of the plumbing inspector. No work shall be covered or backfilled until directed by the inspector. All work and excavations shall be protected by barricades and warning markers and lights reasonable and suitable to the purpose. The city shall be held harmless of any claim or loss as might otherwise arise for damage, loss, or injury caused by or arising by reason of the work being performed; and the applicant causing the work to be done shall give undertaking to the city with respect thereto.
(Prior Code, § 7-2-16)