All material and workmanship in connection with the installation of any side sewer and connection with a public sewer shall be as required by the City’s “standard plans and specifications” except as to modifications or changes approved by the City Engineer.

Whenever it becomes necessary to disturb pavement in connection with any work authorized under this chapter, the opening shall be not less than two feet by seven feet nor more than two and one-half feet by eight feet; provided, that the City Engineer may specify a different size of said opening and additional cuts to be made when needed to insure a proper backfill.

No excavation shall be made in any public area except at the times and in the manner prescribed by the City Engineer.

All backfill of excavation and tunnels under concrete or asphalt surfacing and the restoration of these surfaces in public areas shall be done by the contractor under supervision of the City Engineer. (Ord. 208 § 25, 1957).