§ 17.46.270. Ramps

A.

Profile required. All parking plans involving ramps shall be accompanied by a profile showing the ramp, ramp transitions, and overhead and adjacent wall clearances.

B.

Length of ramp defined. The length of a ramp is defined as that portion of the ramp from the beginning of the transition at one end of the ramp to the end of the transition at the opposite end of the ramp.

C.

Maximum grade for ramps 65 feet or less in length. For ramps 65 feet or less in length, the ramp grade shall not exceed 16 percent, with the first and last 10 feet of the ramp not exceeding eight percent.

D.

Maximum grade for ramps longer than 65 feet. For ramps longer than 65 feet, the ramp grade shall not exceed 12 percent, with the first and last eight feet of the ramp not exceeding six percent.

E.

Maximum parking area slope. The slope of all parking areas shall not exceed five percent, excluding ramps.

F.

Standards for ramps within multi-family developments. Ramps within multi-family projects utilizing development standards of Section 17.22.060 (RM District General Development Standards) shall comply with the following:

1.

Maximum grade for ramps. The maximum grade of ramps shall be 16 percent. Any deviation shall first be approved by the City Traffic Engineer.

2.

Minimum width of ramps. The width of ramps shall conform to the requirements for the widths of driveways identified in Section 17.46.150 (Driveway Design, Widths, and Clearances), above.

G.

Exceptions. The Director of Transportation may modify the ramp grade requirements.