Environmental Standards
PV = 6.28 F x D |
Where: | ||
PV | = | Particle velocity, inches per second |
F | = | Vibration frequency, cycles per second |
D | = | Single amplitude displacement of the vibration, inches |
Table 14.02.D-1 Vibration Standards | |
|---|---|
Particle Velocity (inches per second) | |
Along Nonresidential District Boundaries | Along Residential District Boundaries |
0.10 | 0.02 |
0.20 | 0.02 |
Table 14.02.G-1 Noise Level Standards | ||
|---|---|---|
Use | Time | Sound Level (A-Weighted) Decibels [Db(A)] |
Residential | 7:00 a.m. to 7:00 p.m. | 60 |
7:00 p.m. to 10:00 p.m. | 55 | |
10:00 p.m. to 7:00 a.m. | 50 | |
Commercial, business, office, and mixed-uses | 7:00 a.m. to 7:00 p.m. | 65 |
7:00 p.m. to 7:00 a.m. | 50 | |
Industrial office and research office | Anytime | 65 |
Table 14.08.D-1 Heritage Tree Size | ||
|---|---|---|
Common Name | Botanical Name | Heritage Tree Size (DBH in inches) |
Ash | Fraxinus spp. (not cultivars) | 18 |
Basswood | Tilia spp. | 18 |
Beech | Fagus spp. | 18 |
Cherry, black | Prunus serotina | 18 |
Elm | Ulmus spp. (except pumila) | 18 |
Fir | Abies spp. | 18 |
Fir, douglas | Pseudotsuga menziesii | 18 |
Kentucky coffeetree | Gymnocladus dioicus | 18 |
Maple (silver) | Acer saccharinum | 18 |
Pine | Pinus spp. | 18 |
Spruce | Picea spp. | 18 |
Sycamore: London planetree/American | Platanus spp. | 18 |
Tulip poplar | Liriodendron tulipifera | 18 |
Walnut, black | Juglans nigra | 18 |
Hickory | Carya spp. | 16 |
Honeylocust | Gleditsia tricanthos | 16 |
Maple (red) | Acer rubrum | 16 |
Maple (sugar) | Acer saccharum | 16 |
Oak | Quercus spp. | 16 |
Arborvitae | Thuja occidentalis | 12 |
Bald cypress | Taxodium distichum | 12 |
Birch | Betula spp. | 12 |
Black tupelo | Nyssa sylvatica | 12 |
Cherry, flowering | Prunus spp. | 12 |
Crabapple | Malus spp. | 12 |
Dawn redwood | Metasequoia glyptostroiboides | 12 |
Ginkgo | Ginkgo biloba | 12 |
Hackberry | Celtis occidentalis | 12 |
Hawthorn | Crataegus | 12 |
Hemlock | Tsuga spp. | 12 |
Larch/tamarack | Larix spp. | 12 |
Magnolia | Magnolia spp. | 12 |
Pear | Pyrus spp. | 12 |
Persimmon | Diospyros virginiana | 12 |
Poplar | Populus (except p. deltoides, alba) | 12 |
Sassafras | Sassafras albidum | 12 |
Sweetgum | Liquidamber styraciflua | 12 |
Yellow wood | Cladrastis lutea | 12 |
Blue-beech/hornbeam | Carpinus caroliniana | 8 |
Cedar | Juniperus spp. and upright cultivars | 8 |
Cedar of Lebanon | Cedrus spp. | 8 |
Chestnut | Castanea spp. | 8 |
Dogwood, flowering | Cornus florida | 8 |
Hop-hornbeam/ironwood | Ostrya virginiana | 8 |
Maple, mountain/striped | Acer spicatum/pensylvanicum | 8 |
Paw paw | Asimina triloba | 8 |
Redbud, eastern | Cercis canadensis | 8 |
Serviceberry | Amelanchier spp. | 8 |
Butternut | Juglans cinerea | 6 |
Chestnut, American | Castanea dentata | 6 |
Environmental Standards
PV = 6.28 F x D |
Where: | ||
PV | = | Particle velocity, inches per second |
F | = | Vibration frequency, cycles per second |
D | = | Single amplitude displacement of the vibration, inches |
Table 14.02.D-1 Vibration Standards | |
|---|---|
Particle Velocity (inches per second) | |
Along Nonresidential District Boundaries | Along Residential District Boundaries |
0.10 | 0.02 |
0.20 | 0.02 |
Table 14.02.G-1 Noise Level Standards | ||
|---|---|---|
Use | Time | Sound Level (A-Weighted) Decibels [Db(A)] |
Residential | 7:00 a.m. to 7:00 p.m. | 60 |
7:00 p.m. to 10:00 p.m. | 55 | |
10:00 p.m. to 7:00 a.m. | 50 | |
Commercial, business, office, and mixed-uses | 7:00 a.m. to 7:00 p.m. | 65 |
7:00 p.m. to 7:00 a.m. | 50 | |
Industrial office and research office | Anytime | 65 |
Table 14.08.D-1 Heritage Tree Size | ||
|---|---|---|
Common Name | Botanical Name | Heritage Tree Size (DBH in inches) |
Ash | Fraxinus spp. (not cultivars) | 18 |
Basswood | Tilia spp. | 18 |
Beech | Fagus spp. | 18 |
Cherry, black | Prunus serotina | 18 |
Elm | Ulmus spp. (except pumila) | 18 |
Fir | Abies spp. | 18 |
Fir, douglas | Pseudotsuga menziesii | 18 |
Kentucky coffeetree | Gymnocladus dioicus | 18 |
Maple (silver) | Acer saccharinum | 18 |
Pine | Pinus spp. | 18 |
Spruce | Picea spp. | 18 |
Sycamore: London planetree/American | Platanus spp. | 18 |
Tulip poplar | Liriodendron tulipifera | 18 |
Walnut, black | Juglans nigra | 18 |
Hickory | Carya spp. | 16 |
Honeylocust | Gleditsia tricanthos | 16 |
Maple (red) | Acer rubrum | 16 |
Maple (sugar) | Acer saccharum | 16 |
Oak | Quercus spp. | 16 |
Arborvitae | Thuja occidentalis | 12 |
Bald cypress | Taxodium distichum | 12 |
Birch | Betula spp. | 12 |
Black tupelo | Nyssa sylvatica | 12 |
Cherry, flowering | Prunus spp. | 12 |
Crabapple | Malus spp. | 12 |
Dawn redwood | Metasequoia glyptostroiboides | 12 |
Ginkgo | Ginkgo biloba | 12 |
Hackberry | Celtis occidentalis | 12 |
Hawthorn | Crataegus | 12 |
Hemlock | Tsuga spp. | 12 |
Larch/tamarack | Larix spp. | 12 |
Magnolia | Magnolia spp. | 12 |
Pear | Pyrus spp. | 12 |
Persimmon | Diospyros virginiana | 12 |
Poplar | Populus (except p. deltoides, alba) | 12 |
Sassafras | Sassafras albidum | 12 |
Sweetgum | Liquidamber styraciflua | 12 |
Yellow wood | Cladrastis lutea | 12 |
Blue-beech/hornbeam | Carpinus caroliniana | 8 |
Cedar | Juniperus spp. and upright cultivars | 8 |
Cedar of Lebanon | Cedrus spp. | 8 |
Chestnut | Castanea spp. | 8 |
Dogwood, flowering | Cornus florida | 8 |
Hop-hornbeam/ironwood | Ostrya virginiana | 8 |
Maple, mountain/striped | Acer spicatum/pensylvanicum | 8 |
Paw paw | Asimina triloba | 8 |
Redbud, eastern | Cercis canadensis | 8 |
Serviceberry | Amelanchier spp. | 8 |
Butternut | Juglans cinerea | 6 |
Chestnut, American | Castanea dentata | 6 |