Site Design Standards
Table IV-1 Sign Regulations | ||||
|---|---|---|---|---|
Sign Type | Number Allowed | Sign Area (Maximum) | Sign Height (Maximum, feet) | Where Allowed |
Ground | 1 per street yard | 1 square foot per linear foot of lot frontage | 10 | Street yard |
Wall | No maximum so long as the total square feet of signage per facade does not exceed 1 square foot per linear foot of building facade | N/A | Street-facing building facade | |
Projecting | 1 per business | 12 square feet | N/A | Within 6 feet of entrance |
Wayfinding | No limit | 6 square feet | 5 | No limit |
Sandwich Board | 1 per building, business, or tenant space as applicable | 12 square feet | 4 | Street yard or public sidewalk within 10 feet of business entrance |
Table IV-2 Minimum Vehicle Parking Spaces Required | |
|---|---|
Uses | Minimum Parking Spaces Required |
R Uses | 1.0 per unit |
B, E, F, H, I, S Uses | 1.0 per 1,000 square feet of building area |
A, M Uses | 2.0 per 1,000 square feet of building area |
HO, O, U Uses | No minimum |
Table IV-3 Shared Parking Ratios | ||||
|---|---|---|---|---|
R Uses | B, E, F, H, I, S Uses | A, M Uses | HO, O, U Uses | |
R Uses | 1.0 | 1.6 | 1.4 | 1.0 |
B, E, F, H, I, S Uses | 1.6 | 1.0 | 1.4 | 1.0 |
A, M Uses | 1.4 | 1.4 | 1.0 | 1.0 |
HO, O, U Uses | 1.0 | 1.0 | 1.0 | 1.0 |
Table IV-4 Parking Stall Dimensions | |||
|---|---|---|---|
Stall Angle | Stall Width | Stall Length | Aisle Width |
0° Off Street | 9.0 | 20.0 | 12.0 |
45° | 9.0 | 17.0 | 11.0 |
60° | 9.0 | 17.0 | 15.0 |
75° | 9.0 | 17.0 | 20.0 |
90° | 9.0 | 17.0 | 22.0 |
Table IV-5 Vehicular Use Area Street Frontage Screening Options | |||
|---|---|---|---|
Regulation | Option A | Option B | Option C |
Minimum width of landscaped area (feet) | 10 | 5 | — |
Minimum number of trees and shrubs per 50 linear feet | 2 | 2 | 1 |
Flowers and grasses | Remaining landscaped area | ||
Screening required | — | Ornamental metal fence | Masonry wall |
Screening height (feet) | Must install and maintain maximum allowed per Subsection B(2)(a) | ||
Table IV-6 Vehicular Use Area Side and Rear Screening Options | |||
|---|---|---|---|
Regulation | Option A | Option B | Option C |
Minimum width of landscaped area (feet) | 10 | 5 | — |
Minimum number of trees and shrubs per 50 linear feet | 10 | 5 | — |
Flowers and grasses | Remaining landscaped area | ||
Screening required | — | Opaque fence or wall | Masonry wall |
Screening height (feet) | Must install and maintain maximum allowed per Subsection B(2)(a) | ||
Table IV-7 Outdoor Storage and Work Area Screening Options | |||
|---|---|---|---|
Regulation | Option A | Option B | Option C |
Minimum width of landscaped area (feet) | 20 | 10 | 5 |
Minimum number of trees and shrubs per 50 linear feet | 10 | 5 | 0 |
Flowers and grasses | Remaining landscaped area | ||
Screening required | — | Opaque fence or wall | Masonry wall |
Screening height (feet) | Must install and maintain maximum allowed per Subsection B(2)(a) | ||
Table IV-8 Trash, Recycling, and Mechanical Equipment Area Screening Options | |||
|---|---|---|---|
Regulation | Option A | Option B | Option C |
Minimum width of landscaped area (feet) | 10 | 5 | — |
Minimum number of trees and shrubs per 50 linear feet | 10 | 5 | — |
Flowers and grasses | Remaining landscaped area | ||
Screening required | — | Opaque fence or wall | Masonry wall |
Screening height (feet) | Must install and maintain maximum allowed per Subsection B(2)(a) | ||
Table IV-9 Minimum Planting Sizes | |||
|---|---|---|---|
Plant Type | Minimum Container Size at Time of Planting (gallons) | Minimum Height at Time of Planting (feet) | Minimum Caliper Size at Time of Planting (inches) |
Flowers and grasses | 1 | 1 | — |
Low shrubs | 3 | 1.5 | — |
Tall shrubs | 3 | 4 | — |
Deciduous trees | — | 6 | 2.5 |
Coniferous trees | — | 6 | — |
Table IV-11: Maximum Lighting Output Levels | |
|---|---|
Type | Total Site Output (includes landscape lighting) |
Z-2 District | 5,000 initial lumens per lot |
Z-1, Z-3, Z-4, and M-1 Districts | 70,000 initial lumens per net acre |
Table IV-12: Maximum Light Levels at Property Lines | |
|---|---|
Use Type | Maximum Level at Property Line (foot-candles) |
Z-1 District | 0.0 |
Z-2 District | 0.1 |
Z-3, Z-4, and M-1 Districts | 0.5 |
Table IV-13: Maximum Fixture Height From Ground Level | |
|---|---|
Lighting Class | Maximum Fixture Height From Ground Level (feet) |
1 | 30 |
2 | 20 |
3 | 20 |
Table IV-14 Maximum Noise Levels | |
|---|---|
Zone | Maximum Decibel (dBA) Level |
Z-1, Z-2 | 70 |
Z-3 | 75 |
Z-4, M-1 | 80 |
Table IV-15 Maximum Vibration Levels | ||
|---|---|---|
Frequency (Cycles per second) | Outside the Premises | Displacement (inches) Outside the District |
0 to 10 | 0.0020 | 0.0004 |
10 to 20 | 0.0010 | 0.0002 |
20 to 30 | 0.0006 | 0.0001 |
30 to 40 | 0.0004 | 0.0001 |
40 to 50 | 0.0003 | 0.0001 |
50 and over | 0.0002 | 0.0001 |
Table IV-16 TSS Reduction Standards | |
|---|---|
Development Type | TSS Reduction |
New development | 80% |
In-fill development | 80% |
Redevelopment | 40% of load from parking areas and roads |
Table IV-17 Maximum Pre-Development Runoff Curve Numbers | ||||
|---|---|---|---|---|
Runoff Curve Number | Hydrologic Soil Group | |||
A | B | C | D | |
Woodland | 30 | 55 | 70 | 77 |
Grassland | 39 | 61 | 71 | 78 |
Cropland | 55 | 69 | 78 | 83 |
Table IV-18 Separation Distance and Soil Characteristics | ||
|---|---|---|
Source Area | Separation Distance | Soil Characteristics |
Industrial, commercial, institutional parking lots and roads | 5 feet or more | Filtering layer |
Residential arterial roads | 5 feet or more | Filtering layer |
Roofs draining to subsurface infiltration practices | 1 foot or more | Native or engineered soil with particles finer than coarse sand |
Roofs draining to surface infiltration practices | Not applicable | Not applicable |
All other impervious source areas | 3 feet or more | Filtering layer |
Site Design Standards
Table IV-1 Sign Regulations | ||||
|---|---|---|---|---|
Sign Type | Number Allowed | Sign Area (Maximum) | Sign Height (Maximum, feet) | Where Allowed |
Ground | 1 per street yard | 1 square foot per linear foot of lot frontage | 10 | Street yard |
Wall | No maximum so long as the total square feet of signage per facade does not exceed 1 square foot per linear foot of building facade | N/A | Street-facing building facade | |
Projecting | 1 per business | 12 square feet | N/A | Within 6 feet of entrance |
Wayfinding | No limit | 6 square feet | 5 | No limit |
Sandwich Board | 1 per building, business, or tenant space as applicable | 12 square feet | 4 | Street yard or public sidewalk within 10 feet of business entrance |
Table IV-2 Minimum Vehicle Parking Spaces Required | |
|---|---|
Uses | Minimum Parking Spaces Required |
R Uses | 1.0 per unit |
B, E, F, H, I, S Uses | 1.0 per 1,000 square feet of building area |
A, M Uses | 2.0 per 1,000 square feet of building area |
HO, O, U Uses | No minimum |
Table IV-3 Shared Parking Ratios | ||||
|---|---|---|---|---|
R Uses | B, E, F, H, I, S Uses | A, M Uses | HO, O, U Uses | |
R Uses | 1.0 | 1.6 | 1.4 | 1.0 |
B, E, F, H, I, S Uses | 1.6 | 1.0 | 1.4 | 1.0 |
A, M Uses | 1.4 | 1.4 | 1.0 | 1.0 |
HO, O, U Uses | 1.0 | 1.0 | 1.0 | 1.0 |
Table IV-4 Parking Stall Dimensions | |||
|---|---|---|---|
Stall Angle | Stall Width | Stall Length | Aisle Width |
0° Off Street | 9.0 | 20.0 | 12.0 |
45° | 9.0 | 17.0 | 11.0 |
60° | 9.0 | 17.0 | 15.0 |
75° | 9.0 | 17.0 | 20.0 |
90° | 9.0 | 17.0 | 22.0 |
Table IV-5 Vehicular Use Area Street Frontage Screening Options | |||
|---|---|---|---|
Regulation | Option A | Option B | Option C |
Minimum width of landscaped area (feet) | 10 | 5 | — |
Minimum number of trees and shrubs per 50 linear feet | 2 | 2 | 1 |
Flowers and grasses | Remaining landscaped area | ||
Screening required | — | Ornamental metal fence | Masonry wall |
Screening height (feet) | Must install and maintain maximum allowed per Subsection B(2)(a) | ||
Table IV-6 Vehicular Use Area Side and Rear Screening Options | |||
|---|---|---|---|
Regulation | Option A | Option B | Option C |
Minimum width of landscaped area (feet) | 10 | 5 | — |
Minimum number of trees and shrubs per 50 linear feet | 10 | 5 | — |
Flowers and grasses | Remaining landscaped area | ||
Screening required | — | Opaque fence or wall | Masonry wall |
Screening height (feet) | Must install and maintain maximum allowed per Subsection B(2)(a) | ||
Table IV-7 Outdoor Storage and Work Area Screening Options | |||
|---|---|---|---|
Regulation | Option A | Option B | Option C |
Minimum width of landscaped area (feet) | 20 | 10 | 5 |
Minimum number of trees and shrubs per 50 linear feet | 10 | 5 | 0 |
Flowers and grasses | Remaining landscaped area | ||
Screening required | — | Opaque fence or wall | Masonry wall |
Screening height (feet) | Must install and maintain maximum allowed per Subsection B(2)(a) | ||
Table IV-8 Trash, Recycling, and Mechanical Equipment Area Screening Options | |||
|---|---|---|---|
Regulation | Option A | Option B | Option C |
Minimum width of landscaped area (feet) | 10 | 5 | — |
Minimum number of trees and shrubs per 50 linear feet | 10 | 5 | — |
Flowers and grasses | Remaining landscaped area | ||
Screening required | — | Opaque fence or wall | Masonry wall |
Screening height (feet) | Must install and maintain maximum allowed per Subsection B(2)(a) | ||
Table IV-9 Minimum Planting Sizes | |||
|---|---|---|---|
Plant Type | Minimum Container Size at Time of Planting (gallons) | Minimum Height at Time of Planting (feet) | Minimum Caliper Size at Time of Planting (inches) |
Flowers and grasses | 1 | 1 | — |
Low shrubs | 3 | 1.5 | — |
Tall shrubs | 3 | 4 | — |
Deciduous trees | — | 6 | 2.5 |
Coniferous trees | — | 6 | — |
Table IV-11: Maximum Lighting Output Levels | |
|---|---|
Type | Total Site Output (includes landscape lighting) |
Z-2 District | 5,000 initial lumens per lot |
Z-1, Z-3, Z-4, and M-1 Districts | 70,000 initial lumens per net acre |
Table IV-12: Maximum Light Levels at Property Lines | |
|---|---|
Use Type | Maximum Level at Property Line (foot-candles) |
Z-1 District | 0.0 |
Z-2 District | 0.1 |
Z-3, Z-4, and M-1 Districts | 0.5 |
Table IV-13: Maximum Fixture Height From Ground Level | |
|---|---|
Lighting Class | Maximum Fixture Height From Ground Level (feet) |
1 | 30 |
2 | 20 |
3 | 20 |
Table IV-14 Maximum Noise Levels | |
|---|---|
Zone | Maximum Decibel (dBA) Level |
Z-1, Z-2 | 70 |
Z-3 | 75 |
Z-4, M-1 | 80 |
Table IV-15 Maximum Vibration Levels | ||
|---|---|---|
Frequency (Cycles per second) | Outside the Premises | Displacement (inches) Outside the District |
0 to 10 | 0.0020 | 0.0004 |
10 to 20 | 0.0010 | 0.0002 |
20 to 30 | 0.0006 | 0.0001 |
30 to 40 | 0.0004 | 0.0001 |
40 to 50 | 0.0003 | 0.0001 |
50 and over | 0.0002 | 0.0001 |
Table IV-16 TSS Reduction Standards | |
|---|---|
Development Type | TSS Reduction |
New development | 80% |
In-fill development | 80% |
Redevelopment | 40% of load from parking areas and roads |
Table IV-17 Maximum Pre-Development Runoff Curve Numbers | ||||
|---|---|---|---|---|
Runoff Curve Number | Hydrologic Soil Group | |||
A | B | C | D | |
Woodland | 30 | 55 | 70 | 77 |
Grassland | 39 | 61 | 71 | 78 |
Cropland | 55 | 69 | 78 | 83 |
Table IV-18 Separation Distance and Soil Characteristics | ||
|---|---|---|
Source Area | Separation Distance | Soil Characteristics |
Industrial, commercial, institutional parking lots and roads | 5 feet or more | Filtering layer |
Residential arterial roads | 5 feet or more | Filtering layer |
Roofs draining to subsurface infiltration practices | 1 foot or more | Native or engineered soil with particles finer than coarse sand |
Roofs draining to surface infiltration practices | Not applicable | Not applicable |
All other impervious source areas | 3 feet or more | Filtering layer |