12.04.080 Open cuts.
No open cut crossings of city streets shall be made without the approval of the director. Restoration of open cuts on city streets shall be as follows:
A. Existing surface to be precut two feet wider than top of trench width;
B. Backfilling and mechanical compaction to 95 percent of maximum density to be accomplished in a maximum of one-foot lifts immediately after installation of pipe;
C. Backfill material shall be completely granular and free draining, excavated material may be used for backfilling with the approval of the city engineer;
D. Immediately following compaction, a four-inch lift of compacted one-and-one-quarter-inch minus crushed rock, and three inches of cold mix asphaltic concrete shall be placed;
E. Final restoration of open cut shall be accomplished prior to final cleanup as follows:
1. Remove temporary cold patch.
2. Edges of existing road surface to be cut and trimmed to a neat line, tacked and a three-inch minimum compacted thickness of Class B asphaltic concrete installed in a manner satisfactory to the director.
3. Restoration shall conform to current city standards. (Ord. 2726 § 8, 2008; Ord. 462, 1969)