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A. The applicant shall, with reasonable promptness and no later than twenty days after the work is finished, restore the surface of such streets, avenues, lanes, highways and public places.

B. The applicant shall satisfactorily restore all areas disturbed by construction activities to an equal or better condition than existed prior to construction. The following shall be considered the minimum acceptable depths of surfacing materials to be replaced dependent upon existing surfacing type:

1. Asphalt concrete pavement and/or bituminous surface treatment surfacing:

a. Three inches compacted depth asphalt concrete pavement, Class G, placed in two lifts;

b. Three inches compacted depth crushed surfacing top course (5/8″-0);

c. Eight inches compacted depth ballast (2½″-0).

2. Cement concrete sidewalk:

a. Four inches thickness in pedestrian areas, three thousand psi twenty-eight-day minimum compressive strength cement concrete;

b. Six inches thickness in vehicle areas, three thousand psi twenty-eight-day minimum compressive strength cement concrete;

c. Two inches compacted depth crushed surfacing top course (5/8″-0) under all cement concrete areas;

d. Refer to city sidewalk specifications.

3. Gravel Street:

a. Three inches compacted depth crushed surfacing top course (5/8″-0);

b. Nine inches compacted depth ballast (2½″-0);

c. Replace all ballast if mud or clay.

4. Gravel street shoulder:

a. Four inches compacted depth crushed surfacing top course (5/8″-0).

C. Cement concrete curb and gutter shall be replaced where disturbed with new cement concrete curb and gutter as shown on the city’s Standard Driveway Detail and the referenced APWA Specifications and Standard Plans.

D. Temporary crushed-rock trench restoration will be permitted for a maximum of two weeks following installation of facilities.

E. If adverse weather conditions exist, temporary asphalt concrete cold-mix patch will be permitted until weather conditions permit the required permanent restoration specified above.

F. All restoration materials and workmanship shall be in accordance with the most recent edition of the referenced APWA Specifications.

G. All trench backfill and restoration materials must be compacted to ninety-five percent of maximum density at a maximum of six-inch lifts.

H. All restoration work must be approved by the city.

I. A cash deposit or bond in an amount to be determined by the city engineer may be required prior to commencing work in order to guarantee materials and workmanship; provided, however, that self-insured public utilities shall be excluded from this requirement provided they have complied with Section 12.01.020(B) of this chapter.

J. All restoration materials and workmanship must be guaranteed for a one-year period following formal acceptance of same by the city. Any remedial work required during this guarantee period must be provided and performed by the applicant upon demand by the city.

(Ord. 957 (part), 1992)