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A. Dimensions of Parking Areas. Parking area dimensions shall be described in terms of the following symbols and definitions:

1. U.P.D. (unit parking dimension): the combined dimension of two (2) rows of parking plus an aisle, measured perpendicular to the aisle;

2. D (depth of stall): the depth of a row or bay of parking, perpendicular to the aisle;

3. A (aisle width): width of backout and flow space between parking rows;

4. W (width of stall): clear width of individual stall, perpendicular to the stall;

5. L (layout dimension of stall): distance from stall to stall on centers measured parallel to the aisle – useful in laying out a parking lot;

6. Angle of parking: angle between aisle and stall line;

7. Confined stall: a stall which has any structure higher than a six-inch curb on both stall lines, including walls, railings, stairwells, columns or fences but excepting columns located more than seven (7) feet from aisles;

8. End stall: a stall which has any structure (including curbs) on either of its stall lines;

9. Permissible bumper overhang: the area beyond parking lot curbs where it is safe and legally permissible for front bumpers to extend. Public sidewalks and landscaped areas are not areas of permissible bumper overhang;

10. High-turnover parking: parking where stalls change occupancy six (6) or more times per day;

11. Stall dimensions:

a. Clear stall widths shall be nine (9) feet for all end stalls, shopping centers, grocery stores, restaurants, drive-ins, retail uses, banks, public buildings, professional offices, short-term or shopper parking or parking for any high-turnover use. Clear stall widths shall be eight and one-half (8.5) feet for employee parking lots, long-term parking in commercially operated parking lots or garages, parking for low-turnover recreation or amusement areas, and parking for other low-turnover uses. Clear stall widths shall be nine (9) feet for all residential uses;

b. All confined stalls shall have a width of twelve (12) feet, except that an existing legal nonconforming residential garage with minimum interior dimensions of at least ten (10) feet in width by eighteen (18) feet in depth, clear of any obstructions, shall be considered to meet this requirement;

c. Relationship of stall dimensions to aisle dimensions and parking scale shall be as outlined in Tables 18.56-I and 18.56-II;

12. Compact car stalls: substandard stalls may be permitted as compact car stalls under the following conditions:

a. The dimensions must be as outlined in Table 18.56-III;

b. No substandard stall may be counted as a compact stall in lots having less than twenty (20) cars. After the first twenty (20) cars, compact stalls may be permitted at a rate not to exceed one compact stall for each four (4) stalls;

c. Further, compact stalls may be provided at a rate of three (3) additional compact stalls for each twenty (20) stalls; provided, that the difference in area between the standard stall and the compact stall will be utilized for landscaping in addition to landscaping that is otherwise required;

d. Compact car stalls shall be clearly marked: “SMALL CARS ONLY”;

13. Designated Parking for Electric Vehicles. Designated parking shall be provided in compliance with the adopted California Green Building Standards Code, Title 24, Part 11, CALGreen.

TOTAL NUMBER OF PARKING SPACES

NUMBER OF REQUIRED SPACES

0 – 9

0

10 – 25

1

26 – 50

3

51 – 76

6

76 – 100

8

101 – 150

11

151 – 200

16

201 and over

At least 8 percent of total

Parking Stall Marking. Paint, in the same paint as used for stall striping, the following characters such that the lower edge of the last word aligns with the end of the stall striping and is visible beneath a parked vehicle: “CLEAN AIR VEHICLE.”

B. Dimensions of Aisles and Driveways.

1. Aisles shall be at least twelve (12) feet wide for one-way traffic flow; twenty (20) feet wide for two-way traffic flow;

2. Aisle widths at turns may be governed by minimum turning radii (see subsection (C) of this section);

3. Aisles parallel and adjacent to public sidewalks are not recommended. They should be one vehicle length removed;

4. One-way aisles shall alternate direction, or otherwise provide logical circulation possibility. Circulation requiring use of the street is unacceptable;

5. Aisles shall provide for noncongestive flow from and into the street by logical relationships with the driveways. A two-way driveway shall lead into a two-way aisle. Reversal of the “right-hand rule” of driving for two-way aisles or closely adjacent one-way drives is not acceptable;

6. One-way aisles shall not dead end. Dead ends of two-way aisles with ninety (90) degree parking are permissible if back-around space is provided for last two (2) stalls.

C. Turning Radii, Turn-Around Requirements.

1. With the exception of sites containing only one single-family dwelling or one duplex, all parcels providing parking for three (3) or more cars must provide turn-around space for all stalls on site and backouts onto a public street shall not be permitted;

2. Aisles, ramps, turn-arounds and curves shall be designed with the following minimum radii:

a. Radius to curbs lower than nine (9) inches (wheel radius) shall have a minimum radius of twenty-eight (28) feet to the outside of the ramp and a minimum radius of twenty (20) feet to the inside of the ramp;

b. Radius to walls, columns or structures (body overhang radius) shall have a minimum radius of thirty (30) feet to the outside of the ramp and a minimum radius of sixteen (16) feet to the inside of the ramp;

3. Turning aisles or ramps with two-way traffic must have radii and aisle widths sufficient for two (2) cars to pass on the turn except in small parking lots of low turnover. (Ramps passing two (2) or more cars per minute in each direction during the peak hour of an average day require two-car passing widths on ramps). Ramp widths on turns shall be as follows:

a. Minimum one-way ramp width shall be twelve (12) feet from curb to curb and fourteen (14) feet from wall to wall;

b. Minimum two-way ramp width shall be twenty-four (24) feet from curb to curb and twenty-eight (28) feet from wall to wall.

No portion of a circular ramp may be considered as aisle for cars in adjacent bays;

4. For all structures other than single-family and duplex dwellings, vehicular access for Fire Department service must be provided with aisles and ramps with turning radius of eighty (80) feet to the outside edge of the ramp or aisle.

D. Truck and Loading Standards.

1. All loading shall take place on site, and freight-handling doors and facilities shall be oriented to legal off-street loading spaces, not to street or curb parking;

2. For the uses listed in Table 18.56-I, off-street loading berths shall be provided on the basis of gross floor area of the building or portions thereof devoted to such uses in the amounts shown herein;

3. Freight-handling docks shall be so located as to permit free use of aisles, drives and sidewalks during freight operation;

4. Adequate screening of loading areas is required;

5. Wherever the soil conditions permit, subsurface loading berths shall be constructed for buildings with gross leaseable floor areas in excess of one hundred thousand (100,000) square feet;

6. Period of deliveries of goods may be established by the Community Development Director for each commercial establishment.

E. Handicap Stalls. Parking stalls for the use of the physically handicapped must be provided in accordance to the standards set herein:

1. Handicapped stalls shall have a minimum width of twelve (12) feet;

2. Stalls for the handicapped must be located adjacent to pedestrian walks of the development to facilitate access to the buildings of the development;

3. These parking spaces must be opened on one side to allow room for individuals in wheelchairs or on braces and crutches to get in and out of an automobile onto a level surface suitable for wheeling and walking;

4. The stalls for the handicapped must be located such that handicapped individuals are not compelled to wheel or walk behind parked cars;

5. Parking stalls set aside for the physically handicapped must be denoted by the physically handicapped symbol adopted by the state. A sign stating “parking for handicapped persons” or some wording to that effect may be included;

6. Curbs adjacent to handicap stalls must be provided with ramps.

F. Pedestrian Aisles. In all parking lots with fifty (50) spaces or more a pedestrian aisle or aisles shall be provided to protect pedestrians.

1. The aisles shall extend from the building entrances to the extreme limits of the parking lot;

2. The pedestrian aisle should have a minimum width of four (4) feet. This area is not a permissible area for bumper overhang and shall be designed so as to protect the pedestrian from automobile traffic.

G. Lighting. Any lighting used to illuminate any off-street parking or loading areas shall be arranged so as to direct the light away from the adjoining premises in any R and A-P Districts.

H. Covering of Parking Spaces. In all R Districts, one-half of the required parking spaces (not guest parking spaces) must be covered.

I. Physical Construction.

1. Any off-street parking or loading area shall be surfaced with an asphaltic or Portland cement concrete pavement or other paving unit acceptable to the City Engineer which shall be so graded and drained as to dispose of all surface water accumulated within the area, and shall be so arranged and marked as to provide for the orderly and safe loading, parking and storage of self-propelled vehicles.

2. Parking lots and garages shall be adequately drained. The minimum slope for drainage shall be 0.75 percent unless there are physical limitations of construction in which event the minimum slope may be reduced to 0.50 percent. The maximum slope allowable in the storage areas of parking lots is five (5) percent.

3. Stall markings shall be installed and maintained in conformance with approved plans.

4. Bumper curbs, walls, fences or planting areas shall be provided at the back of sidewalks and along property lines or other lines delineating the parking area.

5. Ramp design in multilevel garages shall provide for slopes mild enough to ensure driver visibility of the pavement at all times.

6. Planted areas are encouraged, and shall be of adequate size and shall be sprinkled to ensure continued maintenance (refer to parking landscaping standards).

7. Aisle and stall marking should be double lines of striping at least four (4) inches wide and separated by at least nine (9) inches.

Table 18.56-I. Required Loading Spaces

Use

Gross Floor Area in Sq. Ft.

No. of Berths

A. Hospitals, Sanitariums and Other Institutional Uses.

Below 100,000

For each additional 100,000 or fraction, add

1 12' × 25'

1 12' × 25'

B. If Hotels, Clubs and Lodges Contain Any of the Following: Retail Shops, Restaurants, Convention Halls, Auditoriums, Exhibition Halls or Business or Professional Offices.

Below 20,000

20,000 to 150,000

For each additional 150,000 or fraction, add

1 12' × 25'

2 14' × 50'

1 14' × 50'

C. Retail Stores.

Establishments Dispensing Food or Beverage for Consumption on the Premises.

Motor Vehicle and Machinery Sales.

Wholesale Establishments (but not including warehouse and storage buildings other than accessory).

Below 12,000

12,000 to 25,000

25,000 to 40,000

40,000 to 100,000

For each additional 100,000 or fraction, add

1 12' × 25'

2 12' × 25'

2 14' × 50'

3 14' × 50'

1 14' × 50'

D. Auditoriums, Convention Halls, Exhibition Halls, Sports Arenas, Stadiums.

Bowling Alleys.

Below 20,000

20,000 to 100,000

For each additional 100,000 or fraction, add

1 12' × 25'

1 14' × 50'

1 14' × 50'

E. Banks and Offices – Business, Professional and Governmental.

Below 100,000

For each additional 100,000 or fraction to 500,000, add

1 12' × 25'

1 12' × 25'

F. Establishments Engaged in Production, Processing, Cleaning, Servicing, Testing or Repair of Materials, Goods or Products.

Warehouses and Storage Buildings.

Below 10,000

10,000 to 40,000

40,000 to 100,000

For each additional 100,000 or fraction, add

1 12' × 25'

1 14' × 50'

2 14' × 50'

1 14' × 50'

G. Theatres.

Below 25,000

For each additional 50,000 or fraction, add

1 12' × 25'

1 12' × 25'

H. Funeral Homes.

Below 50,000

For each additional 50,000 or fraction, add

1 12' × 25'

1 12' × 25'

Table 18.56-II. Minimum Dimensions – Parking Lot Layout

L

Layout Dimension of Stall Parallel to Aisle

D

Depth of Stall Perpendicular to Aisle

A

Aisle Width Perpendicular to Aisle

UPD

Unit Parking Dimension Perpendicular to Aisle Standard | Herringbone

W

Stall Width

8.5

9

12@

9' Std.

#9' Herr.

8.5*

9+12@

8.5

9+12@

8.5

9+12@

° ANGLE OF PARKING

0

24.0

24.0

24.0

9.0

9.0

12.0

12.0

30.0

30.0

30.0

30.0

30

17.0

18.0

24.0

16.8

12.9

12.0

12.0

45.6

45.6

37.8

37.8

35

14.8

15.7

20.9

17.7

14.0

12.0

12.0

47.4

47.4

40.0

40.0

40

13.2

14.0

18.7

18.5

15.0

13.0

13.0

50.5

50.0

43.0

43.0

45

12.0

12.7

17.0

19.1

15.9

15.1

14.0

53.3

52.2

46.9

45.9

50

11.1

11.5

15.7

19.6

16.7

16.2

15.1

55.4

54.3

49.6

48.5

55

10.4

11.0

14.7

19.9

17.3

17.6

16.3

57.8

56.5

52.2

50.9

60

9.8

10.4

13.9

20.1

17.8

18.9

17.5

57.8

57.8

54.5

53.1

65

9.4

9.9

13.2

20.1

18.2

20.3

18.8

60.3

58.8

56.7

55.2

70

9.1

9.6

12.8

20.0

18.5

21.8

20.2

61.8

60.2

58.8

57.2

75

8.8

9.3

12.4

19.7

18.5

*23.3

21.6

*62.7

61.0

*58.8

57.2

80

8.6

9.1

12.2

19.3

18.5

25.0

*23.1

63.6

*61.7

58.8

*57.2

85

8.5

9.0

12.1

18.7

18.3

26.5

24.5

63.9

61.9

63.1

61.1

90

8.5

9.0

12.0

18.0

18.0

28.0

26.0

64.0

62.0

64.0

62.0

@12-foot stall width required for confined stall.

#Depth of Stall, D, may be reduced 2 feet on standard layout if bumper overhang is permissible.

*Minimum aisle widths are 12 feet for one-way traffic flow; 22 feet for two-way flow.

Table 18.56-III. Compact Car Minimum Parking Lot Dimensions

L

D

A

U.P.D.

0

21.0

7.0

13.0

27.0

30

15.0

15.0

10.0

40.0

35

14.0

15.5

10.0

41.0

40

12.5

16.0

10.0

42.0

45

11.3

17.0

11.0

45.0

50

10.4

17.0

12.0

46.0

55

9.8

17.0

13.0

47.0

60

9.2

17.0

14.0

48.0

65

8.8

17.0

15.0

49.0

70

8.5

17.0

16.0

50.0

75

8.3

17.0

18.0

52.0

80

8.1

17.0

19.0

53.0

85

8.0

17.0

21.0

55.0

90

8.0

17.0

22.0

56.0

(Ord. 1070 § 11, 2023; Ord. 1062 § 14, 2022; Ord. 1030 § 2(12), 2018; Ord. 977 § 1(6), 2011; Ord. 953 § 1(64, 65), 2007; Ord. 929 § 63, 2004; Ord. 513 § 1 (part), 1975)