(A) Any person making an excavation in a street, avenue, alley, public sidewalk, or other public ground shall replace the earth removed from the surfaced roadway and for a distance of two feet on each side of the surfaced roadway or sidewalk with trench backfill. Trench backfill shall consist of filling such excavation within the limits prescribed, with fine aggregate consisting of sand, stone sand, stone screenings, or chats conforming to the following requirements.
(B) Graduation of fine aggregate shall be uniformly graded, and when tested by laboratory sieves, shall conform to the following limits:
(1) Passing three-eights inch sieve: 100%;
(2) Passing No. 4 sieve: 85-100%;
(3) Passing No. 100 sieve: 0-30%; and
(4) Amount of material passing through No. 22 sieve shall not exceed: 10%.
(C) Surplus earth removed from such excavation and replaced with trench backfill shall not be allowed to remain in the street after completion of trench backfilling.
(D) Placement and compaction of the trench backfill shall be in conformance with the “Standard Specifications for Road and Bridge Construction” adopted by the state’s Department of Transportation, and the latest revision thereof.
(Ord. 349, passed 5-21-1996)