§ 12.02.140. Excavation restrictions—Restoration standards.

All excavations and backfilling shall be done in the following manner:

(1)

No excavation shall be made on any street in any way to constitute a traffic hazard, except as provided in Sections 12.02.150 and 12.02.160.

(2)

All excavated material shall be removed from the public right-of-way and disposed of off the public right-of-way or as directed by the superintendent of streets.

(3)

All excavation shall be filled with clean sand to within eight inches of the existing or established street surface elevation and shall be thoroughly flooded.

(4)

After flooded sand has become firm and sufficiently dry, the ditch shall be filled with six inches of aggregate base rock plus three inches of asphaltic plan mix surfacing.

(5)

All trenches shall be backfilled to meet city standards for compaction and all pavement and asphalt shall be restored.

(6)

A minimum of 30 inches of cover shall be provided over all pipes and conduits unless prior approval has been given by the superintendent of streets.

(7)

All material used as provided in this section shall conform to the applicable sections of the most recent issue of the State Division of Highways and Standard Specifications.

(Ord. 469B §1(part), 1985)