Packet: Tiffin City Council Work Session (09/15/2026)

CHAPTER 158 SUDAS The pavement shall have a two percent to four percent inverted crown cross-section, or as approved by the City Engineer. (7). 7. Pavement Material and Thickness A. The pavement slab may be constructed of the following materials: 1. Non-reinforced or reinforced Portland cement concrete conforming to the IDOT specifications C-3 mix or M-3 mix as applicable. 2. Full depth asphaltic concrete hot mix conforming to the IDOT specifications for Type “B” base and Type “A” surface course. B. Minimum alley pavement thickness: Type Residential Commercial Portland cement 6 inches 7 inches concrete Full Depth 7 inches. 8 inches Asphalt (8). Subgrade Requirements. The subgrade shall have the same requirement as local streets. (9). Subbase Requirements. The subbase shall have the same requirement as local streets. E. 5C-1 E. Add the following section. “E. Other Jurisdictional Requirements. 1. Minimum Criteria. In general, roadway elements shall conform to SUDAS Design Standards, however, Table 5C-1.06, Minimum Criteria for Roadway Elements, shall apply. 2. Signage. Developers shall pay the City the costs of, or install at their own cost, all initial street and traffic signal or signage for all new developments. The costs shall be determined on a unit cost per sign or signal basis for the type and number of signs or signals required as determined by the City Engineer and approved by Council action. CODE OF ORDINANCES, TIFFIN, IOWA - 1368 -