Resolutions-1997-021

4 – ALLEYS 4.01 APPROVALS, PERMITS, AS-BUILTS AND MAINTENANCE BONDS A. Plans and specifications for public alley improvements must be certified by a professional engineer registered in the State of Iowa and utilize the BGVD of 1929, except for annual maintenance projects. B. Plans and specifications for public alley improvements must be reviewed and approved by the City Engineer prior to construction. C. Other local, state and federal permits may be required, depending on the circumstances. It shall be the responsibility of the Engineer of Record to acquire all applicable permits. A copy of all permits shall be provided to the City Engineer before construction. D. The Engineer of Record is responsible to submit "Record of Construction" drawings to the City on reproducible vellum or mylar and in AutoCAD based digital format. E. A five-year maintenance bond covering defective materials and workmanship is required for all alley improvements. 4.02 ALLEY CLASSIFICATION A. A Residential Alley is a route located between local streets used primarily for access to the rear of residential property. B. A Commercial Alley is a route located in commercial areas used primarily for access to the rear of commercial property. 4.03 RIGHT-OF-WAY WIDTH A. The right-of-way width shall be 20 feet for all alleys. 4.04 PAVEMENT WIDTH A. Residential alleys shall have a minimum pavement width of 16 feet. B. Commercial alleys shall have a minimum pavement width of 20 feet. 4.05 ALLEY GRADES A. The maximum grade for alleys shall be 8% for residential and 5% for commercial alleys. The minimum grade shall be 0.5% for all types of alleys. 4.06 ALLEY PAVEMENT CROSS SECTION A. The pavement shall have a 4% Inverted crown cross-section, or as approved by the Engineer.