Matters ▸ Attachment
Roof Mounted Mechancials & Penthouses — File 211612
458
| SOMERVILLE ZONING ORDINANCE
04/04/21
10. Development Standards
Screening
10.8
SCREENING
1. Applicability
a. Real property within the Commercial Industry district is
exempt from the provision of this Section.
2. Loading Facilities
a. Outdoor loading facilities, including all docks and areas
used for the storage and staging of materials must
be screened from view by a wall or fully closed fence
between six (6) and twelve (12) feet in height, as
necessary to sufficiently screen delivery vehicles, and
constructed of materials that are compatible with the
principal building in terms of texture, quality, and color.
b. Exterior entrances and access to loading facilities
that are fully enclosed within a building must have an
opaque, self closing door constructed of materials that
are compatible with the principal building in terms of
texture, quality, and color.
c. Loading facility doors are only permitted to be opened
during loading and unloading activities.
3. Service Areas
a. Trash collection, trash compaction, recycling collection
and other similar service areas must be fully enclosed
within a building or located to the side or rear of the
buildings.
b. Exterior entrances and access to service areas that
are fully enclosed within a building must have an
opaque, self closing door constructed of materials that
are compatible with the principal building in terms of
texture, quality, and color.
c. Outdoor service areas that are visible from a public
thoroughfare (excluding an alley), civic space, or abutting
properties in the NR zoning district must be fully
screened by a wall or fully closed fence at least six
(6) feet in height with self-closing access doors and
constructed of materials that are compatible with the
principal building in terms of texture, quality, and color.
4. Mechanical Equipment
a. Roof-Mounted
i.
Mechanical equipment, except roof-mounted
sustainable energy systems, and elevator/stairwell
penthouses must be set back at least ten (10) feet
from the edge of the exterior wall of a building.
ii.
New buildings must provide a parapet wall or other
architectural element constructed of materials
that are compatible with the principal building in
terms of texture, quality, and color that screens the
visibility of roof-mounted mechanical equipment
from any a public thoroughfare (excluding an alley)
or civic space.
iii. Roof mounted mechanical equipment must be
screened with a parapet wall or enclosed within a
rooftop penthouse.
iv. Mechanical equipment sceening and mechanical
penthouses must be set back at least ten (10) feet
from the exterior walls of a building.
v.
The permitted height of mechanical equipment,
screening, and mechanical penthouses may be
limited for certain building types or for specific
zoning districts. See the provisions for each zoning
district for more information.
vi. Roof-mounted photovoltaic (PV) devices and
elevator or stairwell penthouses are exempt.
b. Wall-Mounted
i.
Mechanical equipment is not permitted on any
facade.
ii.
Mechanical equipment on any surface that is
visible from a public thoroughfare (excluding
an alley) or civic space must be screened by
landscaping or an opaque screen constructed of
materials that are compatible with the principal
building in terms of texture, quality, and color.
c. Ground-Mounted
i.
Mechanical equipment that is visible from a public
thoroughfare (excluding an alley) or civic space must
be screened by landscaping, a fence, or a wall
constructed of materials that are compatible with
the principal building in terms of texture, quality,
and color.
ii.
Screening must be of a height equal to or greater
than the height of the mechanical equipment being
screened.
134
| SOMERVILLE ZONING ORDINANCE
12/12/2019
4. Mid-rise Districts
Mid-Rise 3 (MR3)
4. Mid-rise Districts
Mid-Rise 3 (MR3)
14. Development Standards
a. General
i.
Development is subject to the provisions of Article
10: Development Standards of this Ordinance.
Where the provisions of this section conflict with
those of Article 10, the provisions of Article 10
apply.
b. Signs
i.
A sign, individual numerals or letters, or a
nonelectrical nameplate identifying the property
address is required for all real property as follows:
a). Each ground story non-residential use must
identify the street address either on the
principal entrance door or above or beside the
principal entrance of the use.
b). All residential building types must identify the
street address either on the principal entrance
door, above or beside the principal entrance, or
on a mailbox.
ii.
Address signs must be made easily visible through
the use of colors or materials that contrast with the
background material they are attached to and must
be conspicuously located to provide visibility from
the thoroughfare that the building faces.
iii. Address signs must be twelve (12) inches in height
or less and may include the name of the occupant.
c. Rooftop Mechanicals & Penthouses
i.
Roof mounted mechanical equipment, screening,
and mechanical pentouses may have a maximum
height of ten (10) feet above the roof surface.
Table 4.1.13 Permitted Uses (continued)
Use Category
Specific Use
MR3
Accessory Uses
Home Occupations (as noted below)
--
Creative Studio
N
Hobby Kennel
N
Home-Based Business
N
Home Day Care
N
Home Office
P
Urban Agriculture (as noted below)
--
Apiculture
P
Aviculture
P
Commercial Farming
P
Residential Gardening
P
Vehicle Parking, Accessory
(except as follows)
P
Home Business Vehicle Parking
N
P - Permitted SP - Special Permit Required N - Not Permitted
(P or SP) - Permitted as specified per §4.1.13.b
162
| SOMERVILLE ZONING ORDINANCE
12/12/2019
4. Mid-rise Districts
Mid-Rise 4 (MR4)
162
| SOMERVILLE ZONING ORDINANCE
4. Mid-rise Districts
Mid-Rise 4 (MR4)
14. Development Standards
a. General
i.
Development is subject to the provisions of Article
10: Development Standards of this Ordinance.
Where the provisions of this section conflict with
those of Article 10, the provisions of Article 10
apply.
b. Signs
i.
A sign, individual numerals or letters, or a
nonelectrical nameplate identifying the property
address is required for all real property as follows:
a). Each ground story non-residential use must
identify the street address either on the
principal entrance door or above or beside the
principal entrance of the use.
b). All residential building types must identify the
street address either on the principal entrance
door, above or beside the principal entrance, or
on a mailbox.
ii.
Address signs must be made easily visible through
the use of colors or materials that contrast with the
background material they are attached to and must
be conspicuously located to provide visibility from
the thoroughfare that the building faces.
iii. Address signs must be twelve (12) inches in height
or less and may include the name of the occupant.
c. Rooftop Mechanicals & Penthouses
i.
Roof mounted mechanical equipment, screening,
and mechanical pentouses may have a maximum
height of ten (10) feet above the roof surface.
Table 4.2.13 Permitted Uses (continued)
Use Category
Specific Use
MR4
Accessory Uses
Home Occupations (as noted below)
--
Creative Studio
N
Hobby Kennel
N
Home-Based Business
N
Home Day Care
N
Home Office
P
Urban Agriculture (as noted below)
--
Apiculture
P
Aviculture
P
Commercial Farming
P
Residential Gardening
P
Vehicle Parking, Accessory
(except as follows)
P
Home Business Vehicle Parking
N
P - Permitted SP - Special Permit Required N - Not Permitted
(P or SP) - Permitted as specified per §4.2.13.b
190
| SOMERVILLE ZONING ORDINANCE
12/12/2019
4. Mid-rise Districts
Mid-Rise 5 (MR5)
190
| SOMERVILLE ZONING ORDINANCE
4. Mid-rise Districts
Mid-Rise 5 (MR5)
Table 4.3.13 Permitted Uses (continued)
Use Category
Specific Use
MR5
Accessory Uses
Home Occupations (as noted below)
--
Creative Studio
N
Hobby Kennel
N
Home-Based Business
N
Home Day Care
N
Home Office
P
Urban Agriculture (as noted below)
--
Apiculture
P
Aviculture
P
Commercial Farming
P
Residential Gardening
P
Vehicle Parking, Accessory
(except as follows)
P
Home Business Vehicle Parking
N
P - Permitted SP - Special Permit Required N - Not Permitted
(P or SP) - Permitted as specified per §4.3.13.b
14. Development Standards
a. General
i.
Development is subject to the provisions of Article
10: Development Standards of this Ordinance.
Where the provisions of this section conflict with
those of Article 10, the provisions of Article 10
apply.
b. Signs
i.
A sign, individual numerals or letters, or a
nonelectrical nameplate identifying the property
address is required for all real property as follows:
a). Each ground story non-residential use must
identify the street address either on the
principal entrance door or above or beside the
principal entrance of the use.
b). All residential building types must identify the
street address either on the principal entrance
door, above or beside the principal entrance, or
on a mailbox.
ii.
Address signs must be made easily visible through
the use of colors or materials that contrast with the
background material they are attached to and must
be conspicuously located to provide visibility from
the thoroughfare that the building faces.
iii. Address signs must be twelve (12) inches in height
or less and may include the name of the occupant.
c. Rooftop Mechanicals & Penthouses
i.
Roof mounted mechanical equipment, screening,
and mechanical pentouses may have a maximum
height of twenty (20) feet above the roof surface.
222
| SOMERVILLE ZONING ORDINANCE
12/12/2019
4. Mid-rise Districts
Mid-Rise 6 (MR6)
4. Mid-rise Districts
Mid-Rise 6 (MR6)
15. Development Standards
a. General
i.
Development is subject to the provisions of Article
10: Development Standards of this Ordinance.
Where the provisions of this section conflict with
those of Article 10, the provisions of Article 10
apply.
b. Signs
i.
A sign, individual numerals or letters, or a
nonelectrical nameplate identifying the property
address is required for all real property as follows:
a). Each ground story non-residential use must
identify the street address either on the
principal entrance door or above or beside the
principal entrance of the use.
b). All residential building types must identify the
street address either on the principal entrance
door, above or beside the principal entrance, or
on a mailbox.
ii.
Address signs must be made easily visible through
the use of colors or materials that contrast with the
background material they are attached to and must
be conspicuously located to provide visibility from
the thoroughfare that the building faces.
iii. Address signs must be twelve (12) inches in height
or less and may include the name of the occupant.
c. Rooftop Mechanicals & Penthouses
i.
Roof mounted mechanical equipment, screening,
and mechanical pentouses may have a maximum
height of twenty (20) feet above the roof surface.
Table 4.4.14 Permitted Uses (continued)
Use Category
Specific Use
MR6
Accessory Uses
Home Occupations (as noted below)
--
Creative Studio
N
Hobby Kennel
N
Home-Based Business
N
Home Day Care
N
Home Office
P
Urban Agriculture (as noted below)
--
Apiculture
P
Aviculture
P
Commercial Farming
P
Residential Gardening
P
P - Permitted SP - Special Permit Required N - Not Permitted
(P or SP) - Permitted as specified per §4.4.14.b