18.54.070   Parking Design Tables and Figures
   Parking design tables and figures referred to elsewhere in this chapter are provided on the following pages.
Figure 1
Accessible Stalls, Double and Single
 
 
Figure 2
Accessible Stalls, Double Diagonal and Access Aisles
 
 
Figure 3
Parking Lot Layout
 
Table 3
Parking Lot Layout Dimensions for Uni-Class Parking Stalls A for Various Stall Widths (feet)
Dimension On Diagram (Figure 3
A
B
C
D/D
E
F
G
H
I
J
Paikmg Dimensions (Feetb)
Parking Angle and Vehicle Size
Stall Width
Stall Width Parallel to Aisle
Stall Length
Stall Depth to Waif
Stall Depth to Interlock
Aisle Width BetweenStall lines
Module Wall to Wall
Module Wall to interlock
Module, Interlockto Interlock
Dimension On Diagram (Figure 3
A
B
C
D/D
E
F
G
H
I
J
Paikmg Dimensions (Feetb)
Parking Angle and Vehicle Size
Stall Width
Stall Width Parallel to Aisle
Stall Length
Stall Depth to Waif
Stall Depth to Interlock
Aisle Width BetweenStall lines
Module Wall to Wall
Module Wall to interlock
Module, Interlockto Interlock
45 PARKING
8.5
12.0
24.4/21.2
17.25
15.00
13.0
48
46
43
9.0
12.7
24.4/21.2
17.25
15.00
12.0
47
45
42
9.5
13.4
24.4/21.2
17.25
15.00
11.0
46
44
41
60 PARKING
8.5
9.8
21.4/19.7
18.50
17.00
18.0
55
54
.. 52
9.0
10.4
21.4/19.7
18.50
17.00
16.0
53
52
50
9.5
11.0
21.4/19.7
18.50
17.00
15.0
52
51
49
75 PARKING
8.5 .
8.8
20.9/20.2
18.50
18.00
23.0
60
59
58
9.0
9.3
20.9/20.2
18.50
18.00
22.0
59
58
57
9.5
9.8
20.9/20.2
18.50
18.00
21.0
58
57
56
90 PARKING
8.5
8.5
17.5/17.5
17.50
17.50
25.0
60
60
60
9.0
9.0
17.5/17.5
17.50
17.50
24.0
59
59
59
9.5
9.5
17.5/17.5
17.50
17.50
23.0
58
58
58
 
   a.   The required stall widths shall be increased by 0.5 foot if a stall is immediately adjacent to a wall on one or both sides. If there are walls on both sides of a stall, the increase shall still be 0.5 foot.
   b.   Module widths rounded to whole foot.
Table 4
Driveway Dimensions For Multiple-Family Residential Uses of 3 to 10 Units
Dimension (Feet)
Urban
Rural
Dimension (Feet)
Urban
Rural
Width, excluding flares or curb radiusa,b
Minimum (one-way)
paved width
8
12
total widthc
10
12
Minimum (two-way)
paved width
14
24
total width c
16
24
Maximum (one-way)
20
30
Maximum (two-way)
33
35
Right turn radius d
Minimum
10
15
Maximum
30
50
Minimum Spacing e,f
From side property line
5
0
From street corner
10
15
Angle g
75°
75°
 
   a.   Two-way ramps for above or below ground parking facilities must meet the requirements of Figure 5 except that the minimum width may be 16 feet instead of 18 feet.
   b.   In special cases, the Uniform Fire Code, Section 10.207, may require two-way driveways to be a minimum of 20 feet wide.
   c.   The total width shall be free of obstacles to vehicular and pedestrian use.
   d.   On the side of driveway exposed to entry or exit by right-turning vehicles. Applicable only to driveways with curb radius.
   e.   Minimum spacing is measured along the front property line from the driveway throat to the side property line, or to a line passing through the intersection curb return (see Figure 5). For additional requirements regarding driveway location, including spacing between two driveways on the same property, refer to Section 12.08.060(9).
   f.   For driveways on collector or arterial streets, the chief transportation official may require increased spacing from the street corner.
   g.   Minimum acute angle measured from edge of pavement.
Table 5
Driveway Dimensions For Multiple-Family Residential Uses of 11 Units or More and For All Nonresidential Uses
Dimension (Feet)
Urban
Rural
Dimension (Feet)
Urban
Rural
Width, excluding flares or curb radius
Minimum (one-way)
12
15
Minimum (two-way)a
20
30
Maximum (one-way)
20
30
Maximum (two-way)
33
35
Right turn radius b
Minimum
10
15
Maximum
30
50
Minimum Spacing c, d
From side property line
5
0
From street corner
10
15
Anglee
75°
75°
 
   a.   For ramp width for above or below ground parking facilities, please refer to Figure 5.
   b.   On the side of driveway exposed to entry or exit by right-turning vehicles. Applicable only to driveways with curb radius.
   c.   Minimum spacing is measured along the front property line from the driveway throat to the side property line, or to a line passing through the intersection curb return (see Figure 5). For additional requirements regarding driveway location, including spacing between two driveways on the same property, refer to Section 12.08.060(9).
   d.   For driveways on collector or arterial streets, the chief transportation official may require increased spacing from the street corner.
   e.   Minimum acute angle measured from edge of pavement.
Table 6
Driveway Dimensions For Single Family and Two-Family Residential Uses
 
Dimension (Feet)
Urban
Rural
Width, excluding flaresa
Minimum
paved width
8
8
total widthb
10
10
Maximum
20
30
Anglec
75°
75°
 
   a.   Minimum driveway widths for flag lots in "Urban" and in "Rural" area shall be 15 feet.
   b.   The total width shall be free of obstructions to vehicular and pedestrian use.
   c.   Minimum acute angle measured form edge of pavement.
   Note: For additional requirements regarding driveway location, including spacing between two driveways on the same property, refer to Section 12.08.060(9).
Figure 4
Measurement of Minimum Spacing
 
Figure 5
Driveway Ramp Design
 
   1.   A distance of 5 feet shall be maintained at the same slope as the sidewalk from the back edge of the sidewalk to the starting point of the ramp.
   2.   The first and last 10 feet of the slope grade (transition length) shall not exceed 11 percent.
   3.   The remaining portion of the ramp shall not have a slope greater than 22 percent and the breakover angle (see Figure 5) shall not exceed ten degrees (100).
   4.   Minimum ramp width (two-way) for above or below ground parking facilities shall be 18 feet.
   5.   The slope of all parking areas shall not exceed seven percent.
Figure 6
Driveway Ramp Setback Zones
 
Figure 7
Motorcycle Parking Dimensions
(Ord. 5504 § 9, 2020)