(A) Aggregate streets shall be restored with 8 inches of compacted aggregate surface course type B.
(B) Brick streets shall be restored with brick pavers salvaged from the excavation and according to the brick restoration standards set forth by the Department and as approved by the City Engineer.
(C) Unless otherwise approved by the City Engineer, bituminous surface streets with a patch area less than 20 square feet and with any patch dimension less than 4 feet shall be restored according to § 100.53(D) with the concrete darkened by mixing a mortar additive in the concrete mixer to match the adjacent surface color. All other bituminous surface street patches shall be restored with a portland cement concrete base with a thickness matching the existing concrete base or 8 inches whichever is greater; and, a bituminous prime coat and a hot mix asphalt surface course matching the existing asphalt thickness or 2 1/4 inches whichever is greater. The concrete base shall be dowelled into adjacent pavement according to the Illinois Department of Transportation Highway Standard for the type of patch installed.
(D) Portland cement concrete surface streets shall be restored with the greater of the existing pavement thickness or 10 inches of unreinforced portland cement concrete pavement dowelled to the adjacent pavement according to the Illinois Department of Transportation Highway Standard for the type of patch installed.
(E) Alleys shall be restored with 6 inches of compacted aggregate surface course type B and a surface matching the existing surface type and thickness.
(F) Pavement restoration around utility structures shall be according to § 100.53(D) with the concrete darkened by mixing a mortar additive in the concrete mixer to match the adjacent surface color.
(G) Surface restoration situations not described above shall be according to the standards set forth by the Department and as approved by the City Engineer.
(H) Streets repaired with hot mix asphalt surface and portland cement concrete base or surface shall meet the smoothness, density, and strength requirements as applicable of the current State of Illinois Standard Specifications for Road and Bridge Construction. Verification of conformance to these requirements shall be submitted to the City Engineer for approval prior to opening the repair area to traffic as follows:
(1) Verification shall be by an independent agent qualified for material testing by the Illinois Department of Transportation; and
(2) Concrete strength verification shall be by city staff, when available, as part of the permit fee set forth in § 100.65.
(Ord. 8659, passed 7-21-09; Am. Ord. 8941, passed 4-15-14)