Performance Standards
(1) | Total site area | = | _____ acres. |
– | _____ acres. | ||
(2) | Base site area | = | _____ acres. |
Resource | Open Space Ratio | Acres of Land in Resources | Resource Protection Land (acres x open space ratio) | |
|---|---|---|---|---|
Floodplains | 1.00 | |||
Steep slopes | ||||
15% to 25% | 0.70 | |||
25% or more | 0.85 | |||
Forested areas | ||||
No other resource | 0.50 | |||
With other resource | 0.80 | |||
Ponds | 1.00 | |||
Pond shore areas | 0.80 | |||
Water of the commonwealth | 1.00 | |||
Wetlands | 1.00 | |||
Wetland margins | 0.80 | |||
Land with resource restrictions | _____ acres | |||
Resource protection land | _____ acres | |||
Base site area | _____ acres |
Subtract resource protection land | – _____ acres |
Net buildable acres | = _____ acres |
Number of dwelling units. Calculate the maximum number of dwelling units: | |
(For nonresidential uses, skip to Subsection D.) | |
Net buildable site area | _____ acres |
Multiply by maximum density | x _____ (see applicable district regulations) |
Number of dwelling units (do not round up) | = _____ dwelling units |
Net buildable site area | _____ acres |
Multiply by maximum impervious surface ratio | x _____ (See applicable district regulations) |
= _____ acres |
Table I Continuous Sound Levels by Receiving Land Use | ||
|---|---|---|
Receiving Land Use Category | Time | Sound Level Limit |
I. Residential, public space, open space, agricultural or institutional | 1) 7:00 a.m. to 10:00 p.m. | 55 dBA |
2) 10:00 p.m. to 7:00 a.m., plus Sundays and legal holidays | ||
II. Office, commercial or business | 1) 7:00 a.m. to 10:00 p.m. | 65 dBA |
2) 10:00 p.m. to 7:00 a.m., plus Sundays and legal holidays | 60 dBA | |
III. Industrial | At all times | 70 dBA |
Total Sound Level Minus Ambient Sound Level | Correction Factor to be Subtracted from Total Sound Level |
|---|---|
10 | 0 |
9 | 1 |
8 | 1 |
7 | 1 |
6 | 1 |
5 | 2 |
4 | 2 |
3 | 3 |
2 | 4 |
1 | 7 |
Footcandle (Fc) Standards by Zoning District | ||||
|---|---|---|---|---|
Land Use | Commercial | Industrial | Residential | |
Pedestrian areas | ||||
Sidewalks | 0.9 | 0.6 | 0.2 | |
Pedestrianways | 2.0 | 1.0 | 0.5 | |
Roadways | ||||
Arterials | 2.0 | 1.4 | 1.0 | |
Collectors | 1.2 | 0.9 | 0.6 | |
Local streets | 0.9 | 0.6 | 0.4 | |
Alleys | 0.6 | 0.4 | 0.2 | |
Parking areas | ||||
Self parking | 1.0 | |||
Attendant parking | 2.0 | |||
Buildings | ||||
Entrance and doorway area | 5.0 | |||
General grounds | 1.0 | |||
Parking Stall | Driveway | |||
|---|---|---|---|---|
Angle of Parking | Width (feet) | Depth (feet) | One-Way (feet) | Two-Way (feet) |
90° | 10 | 20 | 22 | 22 |
45° | 10 | 20 | 13 | 13 |
Parallel | 8 | 22 | 12 | 11 |
Use | Floor Area | Required Berths/Spaces |
|---|---|---|
Business and professional offices or public administration buildings | First 10,000 square feet | 1 |
Next 40,000 square feet | 1 | |
Each additional 50,000 square feet or fraction thereof | 1 | |
Food stores and retail department stores | First 5,000 square feet | 2 |
Next 5,000 square feet | 1 | |
Each additional 20,000 square feet or fraction thereof | 1 | |
Wholesale and other uses | First 2,000 square feet | 1 |
Next 8,000 square feet | 1 | |
Each additional 10,000 square feet or fraction thereof | 1 |
Performance Standards
(1) | Total site area | = | _____ acres. |
– | _____ acres. | ||
(2) | Base site area | = | _____ acres. |
Resource | Open Space Ratio | Acres of Land in Resources | Resource Protection Land (acres x open space ratio) | |
|---|---|---|---|---|
Floodplains | 1.00 | |||
Steep slopes | ||||
15% to 25% | 0.70 | |||
25% or more | 0.85 | |||
Forested areas | ||||
No other resource | 0.50 | |||
With other resource | 0.80 | |||
Ponds | 1.00 | |||
Pond shore areas | 0.80 | |||
Water of the commonwealth | 1.00 | |||
Wetlands | 1.00 | |||
Wetland margins | 0.80 | |||
Land with resource restrictions | _____ acres | |||
Resource protection land | _____ acres | |||
Base site area | _____ acres |
Subtract resource protection land | – _____ acres |
Net buildable acres | = _____ acres |
Number of dwelling units. Calculate the maximum number of dwelling units: | |
(For nonresidential uses, skip to Subsection D.) | |
Net buildable site area | _____ acres |
Multiply by maximum density | x _____ (see applicable district regulations) |
Number of dwelling units (do not round up) | = _____ dwelling units |
Net buildable site area | _____ acres |
Multiply by maximum impervious surface ratio | x _____ (See applicable district regulations) |
= _____ acres |
Table I Continuous Sound Levels by Receiving Land Use | ||
|---|---|---|
Receiving Land Use Category | Time | Sound Level Limit |
I. Residential, public space, open space, agricultural or institutional | 1) 7:00 a.m. to 10:00 p.m. | 55 dBA |
2) 10:00 p.m. to 7:00 a.m., plus Sundays and legal holidays | ||
II. Office, commercial or business | 1) 7:00 a.m. to 10:00 p.m. | 65 dBA |
2) 10:00 p.m. to 7:00 a.m., plus Sundays and legal holidays | 60 dBA | |
III. Industrial | At all times | 70 dBA |
Total Sound Level Minus Ambient Sound Level | Correction Factor to be Subtracted from Total Sound Level |
|---|---|
10 | 0 |
9 | 1 |
8 | 1 |
7 | 1 |
6 | 1 |
5 | 2 |
4 | 2 |
3 | 3 |
2 | 4 |
1 | 7 |
Footcandle (Fc) Standards by Zoning District | ||||
|---|---|---|---|---|
Land Use | Commercial | Industrial | Residential | |
Pedestrian areas | ||||
Sidewalks | 0.9 | 0.6 | 0.2 | |
Pedestrianways | 2.0 | 1.0 | 0.5 | |
Roadways | ||||
Arterials | 2.0 | 1.4 | 1.0 | |
Collectors | 1.2 | 0.9 | 0.6 | |
Local streets | 0.9 | 0.6 | 0.4 | |
Alleys | 0.6 | 0.4 | 0.2 | |
Parking areas | ||||
Self parking | 1.0 | |||
Attendant parking | 2.0 | |||
Buildings | ||||
Entrance and doorway area | 5.0 | |||
General grounds | 1.0 | |||
Parking Stall | Driveway | |||
|---|---|---|---|---|
Angle of Parking | Width (feet) | Depth (feet) | One-Way (feet) | Two-Way (feet) |
90° | 10 | 20 | 22 | 22 |
45° | 10 | 20 | 13 | 13 |
Parallel | 8 | 22 | 12 | 11 |
Use | Floor Area | Required Berths/Spaces |
|---|---|---|
Business and professional offices or public administration buildings | First 10,000 square feet | 1 |
Next 40,000 square feet | 1 | |
Each additional 50,000 square feet or fraction thereof | 1 | |
Food stores and retail department stores | First 5,000 square feet | 2 |
Next 5,000 square feet | 1 | |
Each additional 20,000 square feet or fraction thereof | 1 | |
Wholesale and other uses | First 2,000 square feet | 1 |
Next 8,000 square feet | 1 | |
Each additional 10,000 square feet or fraction thereof | 1 |