Table X-2
Minimum Aisle Width
| ||
---|---|---|
Parking Angle
(degrees)
|
Minimum Aisle Width
(feet)
| |
0 (parallel parking)
|
12
| |
30
|
12
| |
45
|
13
| |
60
|
18
| |
90 (perpendicular parking)
|
24
|
Table X-3
Minimum Sight Distance From a Driveway
and Adjoining Street
| ||
---|---|---|
Allowable Maximum Speed on Roadway
(miles per hour)
|
Minimum Sight Distance
(feet)
| |
25
|
175
| |
30
|
250
| |
35
|
325
| |
40
|
400
| |
45
|
450
| |
50 or more
|
500
|
Table X-4
Driveway Widths, Depressed Curbs and Curb Return
Radius Standards
| ||||||
---|---|---|---|---|---|---|
One-Way Operation
|
Two-Way Operation
| |||||
Driveway Width
(feet)
|
Depressed Curb
(feet)
|
Curb Return Radius
(feet)
|
Driveway Width
(feet)
|
Depressed Curb
(feet)
|
Curb Return Radius
(feet)
| |
3- to 10-family residence
|
12 to 15
|
32 to 35
|
20 min.
30 max.
|
22 to 26
|
44 to 50
|
20 min.
30 max.
|
Over 10-family residence
|
15 to 16
|
35 to 38
|
20 min.
30 max.
|
24 to 30
|
46 to 52
|
25 min.
35 max.
|
Commercial and industrial
|
15 to 30
|
35 to 50
|
35 min.
45 max.
|
30 to 50
|
50 to 70
|
35 min.
45 max.
|
Service stations
|
20 to 30
|
35 to 50
|
20 min.
35 max.
|
40 to 50
|
50 to 60
|
20 min.
35 max.
|
NOTE:
|
---|
Driveways connecting to a public or private street at an angle
shall have the same widths as shown in Table X-4. The width of depressed
curb and the radius of curb returns shall provide for the sharpest
turning radii of vehicles using the driveway, keeping said vehicles
within their prescribed lanes.
|
Maximum Grade
(percent)
|
Minimum Grade
(percent)
| ||
---|---|---|---|
Parking stalls and service aisles
|
6%
|
1/2%
| |
Main approach walkways to buildings
|
4%
|
1/2%
| |
Collector or other service walkways
|
8%
|
1/2%
| |
Swales
|
10%
|
2%
| |
Principal circulation aisles
|
8%
|
1/2%
| |
Driveways; entrances and exits
|
6%*
|
1/2%
|
NOTE:
| ||
---|---|---|
*
|
For a distance of 100 feet from the street right-of-way line.
|
Table X-5
Off-Street Loading Requirements
| |||
---|---|---|---|
Land Use**
|
Floor Area at Which First Berth is Required
(square feet)
|
Floor Area at Which Second Berth is Required*
(square feet)
| |
Industrial, manufacturing
|
5,000
|
40,000
| |
Laboratory, research, commercial
|
5,000
|
40,000
| |
Retail
|
5,000
|
20,000
| |
Service establishments
|
5,000
|
40,000
| |
Commercial recreation
|
5,000
|
100,000
| |
Restaurants
|
2,000
|
25,000
| |
Office buildings
|
5,000
|
100,000
| |
Funeral home
|
10,000
|
100,000
| |
Residential apartment building
|
20,000
|
100,000
| |
Institutional, public schools
|
10,000
|
100,000
| |
Hospitals, nursing homes
|
10,000
|
100,000
| |
Auditoriums, arenas
|
10,000
|
100,000
|
NOTES:
| ||
---|---|---|
*
|
An additional berth shall be required for each additional amount
of square feet as indicated as required between the need for one-
and two-berth intervals.
| |
**
|
In the case of a multiple-use building, the amount of off-street
loading required shall be equal to the sum of the parts, unless same
can be demonstrated to be in excess as shall be subject to determination
by the approving authority.
|