1. Parking and Pedestrian Circulation ARCH 2006 Architectural Topics IV

2. Parking and Pedestrian Circulation ARCH 2006 Architectural Topics IV Parking Stall Dimensions Typical parking space: 9 ft x 18 ft to 10 ft x 20 ft Compact/small car space: 8 ft x 16 ft (These are not always permitted by zoning or development codes) Standard handicapped parking space: 96 inches plus 60 inch access aisle Van Accessible parking space: 96 inches plus 96 inch access aisle Four basic layouts of parking 1.90° two-way lot The smallest amount of wasted space (in corners and aisles) and is the most efficient 2. Angled one-way lot Three usual variations: 60°, 45°, and 30° ranging from the most efficient to the least efficient 3. Two-way angled parking lot Desirable because of its easy ingress and egress 4. Parallel parking Most difficult for people to negotiate & the least efficient method

3. Parking and Pedestrian Circulation ARCH 2006 Architectural Topics IV The 90° two-way lot configuration has the smallest amount of wasted space (in corners and aisles) and is the most efficient.

4. Parking and Pedestrian Circulation ARCH 2006 Architectural Topics IV Parking layouts less than 90° create two triangles of wasted area. The angled one-way lot has three variations: 60° (the most efficient), 45° and 30° (the least efficient)

5. Parking and Pedestrian Circulation ARCH 2006 Architectural Topics IV Angled one-way parking uses a narrower aisle width than any two-way system, and has advantages in situations where one- way systems are necessary or preferable

6. Parking and Pedestrian Circulation ARCH 2006 Architectural Topics IV 60 degree, one -way angled parking

7. Parking and Pedestrian Circulation ARCH 2006 Architectural Topics IV 45 degree, one -way angled parking

8. Parking and Pedestrian Circulation ARCH 2006 Architectural Topics IV 30 degree, one -way angled parking

9. Parking and Pedestrian Circulation ARCH 2006 Architectural Topics IV Parallel parking is the most difficult for people to negotiate and the least efficient parking layout. Generally parallel parking should not be mixed with any other parking layout, because it creates chances for a collision as a driver backs out of a space

10. Parking and Pedestrian Circulation ARCH 2006 Architectural Topics IV Single-loaded lots are a common parking strategy for limited or restricted sites and are very inefficient because of the larger-than-necessary isle widths that create a very low ratio of parked cars to paved area.

11. Parking and Pedestrian Circulation ARCH 2006 Architectural Topics IV Single-loaded parking on a narrow lot

12. Parking and Pedestrian Circulation ARCH 2006 Architectural Topics IV Generally parking should be adjacent to a building unless it is important to avoid the intrusion of headlights. Cars never have priority over people. The critical criterion is always the user's safety. Bollard used to protect a building or limit access

13. Parking and Pedestrian Circulation ARCH 2006 Architectural Topics IV Accessible Handicapped Parking Walking distances should be held to a minimum. Locate so it is not necessary to cross a circulation drive

14. Parking and Pedestrian Circulation ARCH 2006 Architectural Topics IV Minimum Number of Spaces Location Accessible parking spaces shall be located on the shortest accessible route of travel from adjacent parking to an accessible entrance, or in parking facilities that do not serve a particular building, accessible parking shall be located on the shortest accessible route of travel to an accessible pedestrian entrance of the parking facility. Accessible Handicapped Parking All requirements were taken from the ADA Accessibility Guidelines for 4.6 Parking and Passenger Loading Zones. http://www.adaportal.org/Facility_Access/ADAAG/ADAAG_TOC.html4.1.2(5)(a)

15. Parking and Pedestrian Circulation ARCH 2006 Architectural Topics IV Parking Spaces Accessible parking spaces shall be at least 96 in wide. Parking access aisles shall be a minimum of 60 in wide and must be part of an accessible route to the building or facility entrance. Two accessible parking spaces may share a common access aisle. Parking spaces and access aisles shall be level with surface slopes not exceeding 1:50 (2%) in all directions. Van Accessible Spaces The space must be at least 96 in wide with an access isle that is also 96 in wide. 1 out of every 8 Accessible spaces needs to meet the Van Accessible requirements. If only 1 accessible space is provided, then it must meet the van accessible requirements.

16. Parking and Pedestrian Circulation ARCH 2006 Architectural Topics IV 1. Accessible route. 2. Accessible parking with van accessible parking space. 3. Accessible entrance 4. Accessible parking spaces. www.ada.gov/pcatoolkit/chap7shelterchk.htm

17. Parking and Pedestrian Circulation ARCH 2006 Architectural Topics IV Vertical Clearance At van accessible parking spaces, provide minimum vertical clearance of 98 in at the parking space and along at least one vehicle access route to such spaces from site entrance(s) and exit(s). Provide minimum vertical clearance of 114 in at accessible passenger loading zones and along at least one vehicle access route to such areas from site entrance(s) and exit(s). Accessible Parking Spaces Showing Minimum Width of Vehicle Space and Access Aisle www.ada.gov/pcatoolkit/chap7shelterchk.htm www.ada.gov/pcatoolkit/chap7shelterchk.htm Signage Accessible parking spaces shall be designated as reserved by a sign showing the symbol of accessibility. Van accessible spaces shall have an additional sign "Van Accessible" mounted below the symbol of accessibility. Such signs shall be located so they cannot be obscured by a vehicle parked in the space.

18. Parking and Pedestrian Circulation ARCH 2006 Architectural Topics IV 1. Access aisle depth is at least 5 feet. 2. Access aisle length is at least 20 feet. 3. 3. Curb ramp connects the access aisle for the accessible drop-off area (which is at the level of the parking lot) to the accessible route to the accessible entrance. www.ada.gov/pcatoolkit/chap7shelterchk.htm Passenger Loading Zones Passenger loading zones shall provide an access aisle at least 60 in wide and 20 ft (240 inches) long adjacent and parallel to the vehicle pull-up space. If there are curbs between the access aisle and the vehicle pull-up space, then an accessible curb ramp shall be provided. Vehicle standing spaces and access aisles shall be level with surface slopes not exceeding 1:50 (2%) in all directions.

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