Subarea Plan LF 2.3 Street Open 10-15-09.pdfFig.2.3.1. Corridor Definition of terms
2.3.1. street standards
The Street is defined as the area between the back-of-sidewalk lines. It includes the
moving lanes, parking lanes, and medians as well as the sidewalk and any sidewalk
landscape areas.
Street Standards determine the requirements for the provision, configuration and
design of new streets. They are established to enhance the connectivity of streets,
to create safe and attractive streetscape environments, and to encourage walking
throughout the Plan Area.
All new streets within the Plan Area shall be designed and configured according to
the following regulations.
1) Street Provisions
The construction of new publicly accessible streets is required in instances where:
i) The acreage of land to be developed exceeds the Maximum Block Size
development standard;
ii) The City’s Development Services Senior Engineer determines that a new
street must be constructed due to the impacts of the development on the
existing streets and traffic circulation.
New streets intended for public access may also be constructed voluntarily to fulfill
the design and development objectives of the private property owner. The provision,
location, design and configuration of new streets shall conform to the regulations
specified in the following sections.
2.3. st r e e t a n D Op e n
sp a c e re g U l a t i O n s
This section contains standards and guidelines designed to ensure that streets, blocks,
open spaces, and landscaping throughout the Plan Area are provided and built with
the quality and care necessary to enhance the transportation network, provide proper
accessibility, and ensure the development of a wide range of public places within
corridor as it intensifies.
In addition to regulatory policies for the provision, configuration, and design of
streets and open spaces, this section provides standards and guidelines for on-site
improvements such as the design and landscaping of all spaces including front, side,
and rear yards; screening for utility and service areas; as well as policies governing
the treatment of furnishings, plant materials, and lighting.
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iii) Step 3 – Introduce Alleys and Open
Spaces that will increase access to properties
and enhance their value and livability. Alleys
are recommended as the preferred means for
defining half-blocks.
iv) Step 4 – Introduce a preliminary master
plan showing layout of streets, buildings and
open space according to the development
regulations for the applicable district zones.
This diagram illustrates, step-by-step, how to introduce new streets and open
spaces on large parcels to help define smaller blocks.
i) Step 1 – Calculate the parcel size and
determine if new streets and blocks are
required.
ii) Step 2 – Introduce New Streets: Create
a layout for new streets according to the
principles detailed in Section 2.3. Street and
Open Space Regulations
Fig.2.3.1. 1) new streets and open spaces
provisions processBO
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2) Pre-located Streets
The pre-located street map (see Figure 2.3.1.2) above) shows preferred alignments
for future streets within the corridor. Required new streets shall be constructed in
the located shown on the pre-located street map. The new street alignments are also
considered future acquisition areas. To ensure that new streets can be constructed
in the future, buildings may not be constructed on a pre-located street and buildings
must be set back the minimum distance shown on the district zone charts located
in Section 2.1. The street or future alignment may be relocated at the discretion of
the Community Development Director/Designee if the applicant can show that the
proposed new configuration satisfies the same traffic requirements and establishes
an equivalent interconnected street network.
3) Maximum Block Size
Block size is a measure of the total area, in acres, bounded by the property lines that
define a parcel or assembled parcel. The Maximum Block Size specifically regulates
the total area of contiguous properties that ultimately form a city block. Maximum
Block Size regulations result in limitations on amount of contiguous property that
may be developed within the boundaries of publicly accessible streets.
Development increments - that is properties or assemblages of contiguous properties
to be developed - that exceed the specified Maximum Block Size standard (after
providing any required pre-located streets) must construct additional new publicly
accessible streets in locations that result in the creation of city blocks that do not
exceed the Maximum Block Size. New streets must be designed, configured, and
located in accordance with the standards specified in the following sections.
Maximum Block Size standards are specified for each District Zone in the
Development Standards charts.
In no case do alleys or passages qualify as defining edges of a block. For the
purposes of determining block size, alleys and passages must always be considered
as part of the interior of a block.
F ig .2.3.1. 2) pre-located streets map
map legend
Plan Area Boundary
Parcel Line
Pre-located Streets
Pre-Located Core Street (see section 2.1.1. 1))
4) Street Configuration
a) Connectivity
i) All new streets shall connect with existing streets and be configured to
allow for future extension whenever possible.
ii) New private, internal streets and cul-de-sacs longer than two hundred (200)
feet are not permitted (dead end roads over one hundred and fifty (150) feet
need an approved fire apparatus turn-around).
iii) New dead-end streets are permitted so long as they are configured to allow
for future extension onto adjacent properties and could not otherwise
connect to an existing street.
b) Abandonment
In order to maintain the accessibility provided by the block structure of the
corridor, existing public streets or alleys may not be closed permanently unless
the closure is part of the provision of a network of new streets that satisfy all street
regulations.
5) Access Management Regulations for Sprague and Appleway
These regulations are intended to supplement those in the City’s adopted street
standards in order to preserve the functionality of these Principal Arterials and to
minimize conflicts between access points and future high-capacity transit in the
corridor. In the event of conflict between the sub-area plan and the street standards,
the more restrictive regulation will apply.
a) Appleway Avenue (one-way sections)
Access to Appleway Avenue one-way sections shall be regulated by access hierarchy
in the Parking Chapter, Section 2.4.2.3). Direct access to Appleway from properties
along either side of the right-of-way will be temporary and may be revoked if the
access conflicts with future high capacity transit alignment.
b) Appleway Boulevard (two-way sections)
Access to Appleway Boulevard two-way sections shall be regulated by the
hierarchy in the Parking Chapter, Section 2.4.2.3). Access shall be right in/right
out only. Direct access to Appleway from properties along the south side of the
right-of-way will be temporary and may be revoked if the access conflicts with
future high capacity transit alignment.
c) Sprague Avenue from Thierman to Tschirley:
Access to Sprague Avenue shall be regulated by the hierarchy in the Parking
Chapter, Section 2.4.2.3).
d) Commercial, industrial, and multifamily developments:
Shall provide parking lot travel lane connections consistent with SVMC 22.130.039
and grant easements to adjacent properties.
e) Restrictions on changing street access:
Applicants may not use land use actions, such as boundary line adjustments, short
plats, subdivisions or binding site plans, to eliminate access to a parcel from a side
street or alley in order to gain direct access from Sprague or Appleway.
B O
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6) Street Types
In instances where new streets are required (e.g. to satisfy the Maximum Block
Size Regulations) as well as in instances where new streets are voluntarily
provided by property developers, such new streets shall be designed in
accordance with the regulations provided in this section.
New streets shall be designed as illustrated in the following Street Type
Sections. An applicant may propose modifications to the accompanying Street
Types provided that it can be shown that the modified street design satisfies or
enhances the streetscape environment, subject to review by the Community
Development Director/Designee.
Designing all landscaped areas within the street right-of-way to be functional
stormwater treatment facilities is encouraged. Recommended configurations
for these facilities are shown in Section 2.3.3. Street and Open Space Guidelines
for where space is limited.
New streets within the Plan Area are also recommended to incorporate bike routes
that enhance the Comprehensive Plan’s Bike/Pedestrian System. Appropriate
pavement markings and signage shall be installed where appropriate. There
should also be bicycle parking facilities appropriately located in the City Center
District Zone.
a) Core Street
i) Purpose: Organize the primary public realm to create an environment
suitable for shopping and strolling along active retail, eating, and
entertainment uses. Core Street sidewalks should be wide and unobstructed
to provide ample room for pedestrians to walk, and to encourage activities
including outdoor dining, locations for kiosks, food carts, and flower stalls.
ii) Components
(1) On-street parking oriented parallel or at a forty five degree angle to the
curb.
(2) Each block shall have a single species of large, open-habit deciduous
trees with a maximum spacing of forty (40) feet on-center. Trees should
be located in tree grates that are flush mounted at the back of curb, or
may be located in islands within the parking lanes.
(a) Trees should be maintained in a way that provides
unobstructed views to showroom windows and building signage.
(3) Pedestrian-scale decorative street lighting in sidewalk with a maximum
spacing of eighty (80) feet on-center. Light source should be located
eleven to thirteen (11-13) feet above finished grade.
(4) Fire hydrants shall be located on both sides of the street and installed at
street corners wherever possible.
2.3.1.5) st r e e t ty p e se c t i O n s
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b) City Street
i) Purpose: Provide an attractive, urban street to serve as a primary
travel corridor within and between neighborhood districts. The City Street
is intended to serve urban residential and office development and should
provide a desirable setting for development.
ii) Components
(1) Each block shall have a single species of large, open-habit deciduous
trees with a maximum spacing of forty (40) feet on-center. Trees should
be located in tree grates that are flush mounted at the back of curb.
(2) Pedestrian-scale decorative street lighting in sidewalk with a maximum
spacing of eighty (80) feet on-center. Light source should be located
twelve to fourteen (12-14) feet above finished grade.
(3) An optional eight (8) foot minimum wide planted, center median may be
provided. This median can be narrowed approaching major intersections
to accommodate left turn lanes.
(4) Fire hydrants shall be located on both sides of the street and installed at
street corners wherever possible.
c) Neighborhood Street
i) Purpose: Provide an attractive street to serve as a primary travel
corridor within and between neighborhood districts. The Neighborhood
Street is intended to serve residential and office development and should
provide a desirable setting for development.
ii) Components
(1) Each block shall have a single species of large, open-habit deciduous
trees with a maximum spacing of forty (40) feet on-center. Trees should
be located in continuous planting strips a minimum of six (6) feet wide
located along the back of curb.
(2) Pedestrian-scale decorative street lighting in sidewalk with a maximum
spacing of eighty (80) feet on-center. Light source should be located
twelve to fourteen (12-14) feet above finished grade.
(3) An optional eight (8) foot minimum wide planted, center median may be
provided. This median can be narrowed approaching major intersections
to accommodate left turn lanes.
(4) Fire hydrants shall be located on both sides of the street and installed at
street corners wherever possible.
2.3.1.5) st r e e t ty p e se c t i O n s
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2.3.1.5) st r e e t ty p e se c t i O n s
e) Service Street
i) Purpose: Provide a secondary street for internal circulation within the
Gateway Commercial Districts to serve truck loading, parking access, and
fleet storage.
ii) Components
(1) Single species of large, open-habit or upright deciduous or evergreen
trees in planting strips with a maximum spacing of forty (40) feet on-
center.
(2) Street lighting located within the planting strip shall illuminate both the
thoroughfare and sidewalk environment. Maximum spacing shall be
one hundred and twenty (120) feet on-center.
(3) Fire hydrants shall be located on both sides of the street and installed at
street corners wherever possible.
f) Alley
i) Purpose: New Alleys may be constructed to provide vehicular and
pedestrian access to rear yard garages, carriage homes and service areas.
ii) Components
(1) Alley right-of-way shall be a minimum of twenty (20) feet and the entire
width must be paved.
(2) Street lights must be provided with a maximum spacing of every one
hundred and twenty (120) feet on-center. Lighting fixtures may be
freestanding, or may be attached to adjacent structures.
d) Neighborhood Green Street
i) Purpose: Provide a centrally-located o pen space for public gatherings,
surrounded by a streetscape environment that enhances the value of its
surroundings.
ii) Components
(1) Large, open-habit deciduous trees in planting strips with trees planted
with a maximum spacing of forty (40) feet on-center.
(2) Pedestrian-scale decorative street lighting within the sidewalk and
neighborhood green with a maximum spacing of eighty (80) feet on-
center. Light source should be located twelve to fourteen (12-14) feet
above finished grade.
(3) A Neighborhood Green open space comprised primarily of grassy open
space shall include public seating.
(4) Fire hydrants shall be located on both sides of the street and installed at
street corners wherever possible.
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2.3.1.5) st r e e t ty p e se c t i O n s
g) Passage
i) Purpose: New Passages may be constructed to provide a pedestrian
connection between sidewalks or front yards and rear yards, rear residential
garages, carriage homes, and service areas.
ii) Components
(1) Passage rights-of-way shall be a minimum of twenty (20) feet. The right-
of-way must consist of a pedestrian walkway with a maximum six (6)
foot width and continuous planting areas on both sides of the walkway.
(2) Passage setback is defined as the required distance from the passage
right-of-way to the primary building. The minimum required setback
shall be five (5) feet.
(3) Fenced Edge, Terraced Edge, or Flush Edge shall be constructed at the
edge of Passage.
(4) Street lights compatible with those required on Neighborhood Street
must be provided with a minimum spacing of every one hundred and
twenty (120) feet on-center.
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2.3.2. open space standards
All new open spaces within the Plan Area, whether or not they are required by
Open Space Provision regulations, shall be designed and configured according to
the following sections.
Open Space regulations set forth requirements for the provision and design of
open spaces and landscaping elements in the Plan Area.
These regulations are established to ensure a wide range of public spaces that
complement the primary public streets and open spaces in each district.
1) Open Space Provision
a) Public Open Space
Public Open Space is required as specified in the Figure 2.3.3. Open Space
Provision Chart.
Public Open Space shall be built by developers as development occurs.
All new streets, whether or not they are required by Street Provision
Regulations, may be counted toward Public Open Space requirements.
3) Landscaping
a) Trees
Street trees shall be kept trimmed back from roadway travel lanes and shall maintain
twenty (20) feet clear between tree crowns to maintain fire access apparatus access and
operation.
b) Stormwater Management
All development shall adhere to Spokane Valley Municipal Code – SVMC 22.150.
c) Setback Areas
Front Setback areas shall be treated in accordance with the following standards in
addition to the standards stated in Private Frontage Standards as specified in Section
2.2.6.
i) Front setback areas in front of all Shopfront or Arcade frontages shall be paved
as extensions of the public sidewalk
ii) Front setback areas that are not along Shopfront or Arcade frontages shall
provide pathways connecting the public sidewalk to the front door and to any
parking areas, and shall otherwise be planted across the entire property frontage
(in addition to other edge treatments required per Private Frontage Standards for
that District Zone).
4) Lighting
i) Street lighting shall use decorative poles and fixtures.
ii) Lighting and planting plans shall be coordinated to avoid light pole and tree
conflicts.
5) Walls and Fences
a) Frontage Walls and Fences
i) Overall height of fences and walls located in the front yard shall not exceed
three (3) feet.
ii) Chain link fencing, barbed-wire, razor-wire, and corrugated metal fencing shall
not be permitted.
6) Utility and Service Area Screening
i) Utility, Trash, Recycling, Food Waste and Service Equipment, including satellite
receiving dishes, transformers, and backflow devices, shall be located away
from streets and enclosed or screened from view by landscaping, fencing or
other architectural means.
(1) For safety, screening devices shall be designed to maintain visibility of movement
behind the screen.
ii) Trash facilities and recycling containers must always be within structural
enclosures.
iii) Rooftop equipment must be set back a minimum of ten (10) feet from building
walls, screened on all sides, and integrated into the overall building design.
Public Open Space
(minimum)
Active/Private
Open Space
(minimum)
Location of Required
Public Open Space
1 - Retail 50 sf/1000 sf
for development over
50k sf
N/A On-site or Off-site if
located within 500 feet of
project2 - Civic & Cultural N/A N/A N/A
3 - Office 100 sf/1000 sf
for development over
50k sf
N/A On-site or Off-site if
located within 500 feet of
project
4 - Lodging 100 sf/room
for development over
50 rooms
N/A On-site
5 - Live-Work 150 sf/unit for
development over 20 DU
N/A On-site
6 - Residential:150 sf/unit for
development over 20 DU
60 sf/unit On-site
1) OPEN SPACE PROVISION
Use Categories
2) Open Space Design
a) Public Open Space
All Public Open Spaces shall be publicly accessible and shall be provided
in the form of parks, greens, and plazas. They shall be bounded on at
least three (3) sides by streets, shall be connected to public sidewalks,
and shall be open to the public twenty-four hours a day.
b) Active Open Space
An active open space is any side yard, courtyard, or other open space that
is accessed directly by a primary entrance(s) to housing units or office
spaces. Active Open Spaces shall be defined as illustrated by Figure
2.3.4. Active Open Space Definition and shall consist of the following
components:
i) A single Active Open Space may not exceed a size of 1/5 acre.
ii) Entrances located along Active Open Spaces shall select from
private frontage types as permitted for the property by the
applicable District Zone.
iii) A minimum five (5) foot wide sidewalk(s) or pathway(s)
connecting all building entrances to the public sidewalk shall be
located within the Active Open Space.
iv) The minimum dimension of Active Open Spaces shall be thirty
(30) feet when the long axis of the Active Open Space is oriented
East/West and twenty (20) feet when the Active Open Space is
oriented North/South.
v) Courtyards and other Active Open Spaces located over garages
shall be designed to avoid the sensation of forced podium
hardscape through the use of ample landscaping.
c) Private Open Space
Private Open Space shall be provided in the form of yards, balconies,
or patios whose primary access is from the dwelling served.
The minimum dimensions for private open space in any single direction
shall be four (4) feet if provided as part of a porch or balcony, and
eight (8) feet if provided as a deck, yard, terrace, or patio.
b) Active Open Space
Active or Private Open Space is required as specified in the Figure 2.3.3.
Open Space Provision Chart.
Active Open Space shall be provided along the front of all office or residential
buildings not located along and oriented towards streets. Active Open Space
shall be built by developers as development occurs.
Front Street or Side Street Setback areas shall not be designated as Active
Open Spaces.
c) Private Open Space
Private or Active Open Space is required as specified in the Figure 2.3.3.
Open Space Provision Chart.
Private Open Space shall be built by developers as development occurs.
Required setback areas shall not be counted towards Private Open Space
Provision requirements.Fig.2.3.2.2) Active open space DefinitionBO
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2.3.3. street and open space guidelines
1) Public Spaces
i) Public spaces should provide a variety of seating options, areas of sun
and shade for year-round climatic comfort, shelter, and night lighting to
encourage public activity and ensure safety.
ii) Public spaces should be visible from pub lic streets and side walks.
2) Walls and Fences
a) Frontage Fences and Walls
i) Front yard fences should employ a combination of thick and thin
structural elements with thicker ele ments for supports and/or panel
divisions. Fence posts and/or support columns should be defined using
additional trim, caps, finials, and/or moldings.
ii) All walls should have a cap and base treatment.
iii) Frontage walls may occur as garden walls, planter walls, seat walls, or
low retaining walls.
iv) Entrances and pedestrian “gateways” should be announced by posts
or pilasters, and may be combined with trellises, special landscaping,
decorative lighting, public art or other special features.
b) Screening Fences and Walls
i) Side yards - defined as the portion of side setback areas behind the front
setback area - and rear yards may contain landscape features that protect
the privacy of the property’s occupants such as landscaping, trees and
screening walls. Screening walls may not exceed a height of five (5)
feet, and must be constructed of materials that are compatible with
the architecture and character of the site. Natural colors, a cap or top
articulation, and related dimensional post spacing increments should be
used at screening fences to enhance compatibility.
ii) Design elements should be used to break up long expanses of
uninterrupted walls, both horizontally and vertically. Walls should
include design elements such as textured concrete block, interlocking
“diamond” blocks, formed concrete with reveals, or similar materials.
Landscape materials should also be used to provide surface relief.
c) Security Fences
i) Use of security fences should be minimized, and limited to special
locations where additional security is necessary, such as adjacent to the
railroad tracks. Such security fences should not exceed eight (8) feet in
height.
ii) Security fences should be designed to maintain a visually open character
to the extent possible. This may be accomplished by using metal picket
or open grille fencing or by mounting metal picket or open grille fencing
on top of a low masonry wall.
d) Piers
i) Piers are architectural elements of fences or walls that can add interest to
and break up long expanses.
ii) Piers are recommended to have a base, shaft and cap composition. Larger
piers may be specially designed for gateway or other special locations,
and these may incorporate ornamental plaques or signs identifying the
building or business; public art such as panels or sculptural elements;
and /or light fixtures. Piers may be topped by ornamental finials, light
fixtures, or roof caps.
iii) Recommended dimensions for masonry piers are approximately eighteen
(18) inches per side or diameter, and the maximum spacing between piers
should be twenty (20) feet. Metal posts should be a minimum of four (4)
inches per side or diameter.
e) Materials and Colors
i) All fences and walls should be built with attractive, durable materials that
are compatible with the character of Spokane Valley (see Section 2.5).
ii) Appropriate fence materials include wood, masonry, and metal.
(1) Wood picket fences are only recommended along residential streets. For
wood picket fences, a paint finish or vinyl coating should be applied.
(2) For iron or metal fences, recommended materials include wrought iron,
cast iron, welded steel, tubular steel, or aluminum. Metal fences should
be mount ed on a low masonry wall, and /or between masonry piers.
iii) Appropriate wall materials include stone, brick, precast concrete, textured
concrete block, or formed concrete with reveals. A stucco finish may be
used over a masonry core.
(1) Exposed block walls should be constructed with a combination of varied
height block courses and/or varied block face colors and textures (e.g.
a combination of split-face and precision-face blocks). Plain gray
precision-face con crete block walls are not recommended. Design
treatments and finishes previously described should be applied to these
walls for improved visual compatibility with building architecture.
(2) An anti-graffiti coating is recommended for exposed masonry wall
surfaces.
iv) Piers and posts should be constructed of the same or a com patible material
as the principal building(s).
v) Support post or pier materials may differ from fence materials; e.g. met-
al fence panels combined with masonry piers. Recommended materials
include brick, terra cotta, and stone, colored or decoratively treated cast-
in-place concrete, precast concrete or concrete block, or stuc co-faced
concrete or concrete block.
vi) Bollards are recommended to be cast iron, cast aluminum, and precast
concrete. An anti-graffiti protective coating is recommended for precast
concrete.
vii) Colors and finishes of mechanical enclosures and equipment should be
coordinated with colors and finishes of streetlights, fencing and other
painted metal surfaces to be used on site, or with the associated building’s
material and color scheme.
viii) Street and building-mounted metal furnishings should be powdercoated
or painted with Waterborne Acrylic Polyurethane, such as Tnemec
Series 1080 or similar product. For powdercoated finishes, a chemically
compatible UV-protectant clear coat is recommended for prevention of
color fading.
3) Site Furnishings
i) Public gathering places and other publicly accessible areas should
be detailed with decorative, pedestrian-scaled site furnishings and
equipment.
ii) Seating, freestanding planters, ornamental trash and recycling receptacles,
bike racks, drinking fountains, pergolas, trellises, heaters, umbrellas,
wind screening, and decorative bollards are recommended.
(1) When designing seat walls with straight edges of more than six (6) feet
in length, consider how detailing can prevent skateboard damage.
iii) Landscape structures and sculptural objects should reference the human
scale in their overall massing and detailing.
iv) Components should be made of durable high quality materials such as
painted fabricated steel, painted cast iron, painted cast aluminum, and
integrally colored precast concrete. Recycled materials should be used
so long as the finish or look of the material is consistent with or similar to
the finishes prescribed above. Masonry surfaces shall be treated with an
anti-graffiti coating. Metal surfaces should be coated with highly durable
finishes such as aliphatic polyurethane enamel. An ultraviolet protectant
clear coating is strongly recommended for dark or fugitive colors.
4) Plant Materials
i) Plant materials should always be incorporated into new development site
design to provide “softening” of hard paving and building surfaces.
ii) Mature, existing trees should be preserved whenever possible.
iii) Tree sizes should be suitable to lot size, the scale of adjacent structures,
and the proximity to utility lines.
iv) The use of structural soil planting beds for street trees within paved areas
is strongly recommended in order to maximize the ability of the tree to
thrive and perform well in the urban environment.
v) Both seasonal and year-round flowering shrubs and trees should be used
where they can be most ap preciated - adjacent to walks and recrea tional
areas, or as a frame for build ing entrances and stairs.
vi) In general, deciduous trees with open branching struc tures are
recommended to ensure visibility to retail establishments. More
substantial shade trees are recommended in front of private residences.
vii) Evergreen shrubs and trees should be used for screening along rear
property lines, around trash/recycling areas and mech anical equipment,
and to obscure grillwork and fencing associat ed with subsur face parking
garages. However, screening should also be designed to maintain clear
views for safety.
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5) Lighting
a) Design
i) Lighting fixtures should generally be directed downward from the
horizontal plane of the light source to preserve a dark sky and prevent
unnecessary light pollution. Exceptions may be made for uplit trees and
architectural lighting.
ii) Pedestrian-oriented areas, including walkways and paths, plazas, parking
lots, and parking structures shall be illuminated to increase safety and
provide clear views both to and within the site.
iii) All on-site and building-mounted lighting fixture design should be
architecturally compatible with building design and with the character
of the corridor.
iv) Unnecessary glare from unshielded or undiffused light sources should
be avoided. Commercial buildings and landscaping can be illuminated
indirectly by concealing light features within buildings and landscaping
to highlight attractive features and avoid intrusion into neighboring
properties.
b) Material and Color
i) Color and finish of lighting metalwork should match that of other site
furnishings, and/or of the building’s metalwork or trim work.
ii) A chemically compatible UV-protectant clear coat over paint or
powdercoat on metalwork is recommended for prevention of fading of
dark or fugitive colors.
iii) Color of lighting source types: in pedestrian-intensive areas, warm
white, energy efficient source types (with color temperatures specified
as 2700 degrees Kelvin to 3200 degrees Kelvin) such as metal halide,
induction lighting, compact fluorescent, and light-emitting diode (LED)
are strongly encouraged.
c) Luminaire Types
i) New area lighting fixtures shall be of the cutoff type to prevent light
from being emitted above a horizontal line relative to the point of light
source.
ii) New fixtures should use a reflector and/or a refractor system for efficient
distribution of light and reduction of glare.
iii) New fixtures should not cause glare or transmit it to upper stories of
buildings. House-side shields and internal reflector caps should be used
to block light from illuminating residential windows.
iv) Small decorative “glow” elements within a luminaire are permitted to
emit a low amount of light above the horizontal.
d) Height
i) For building-mounted lights, maximum mounting height should be
approximately twelve (12) feet above finished grade.
ii) For pole-mounted lighting at pedestrian plazas, walkways, and entry
areas, a pedestrian-height fixture ten (10) to fourteen (14) feet in height
from grade to light source should be used.
iii) Bollard mounted lighting and stair lighting are also recommended for
low-level illumination of walkways and landscaped areas.
iv) Bollard illumination should be shielded or kept at a sufficiently low level
to prevent glare impacts for passing motorists.
v) In general, height of light sources should be kept low to maintain
pedestrian scale and prevent spill light from impacting adjacent
properties.
e) Uplighting
i) Building facade uplighting, roof “wash” lighting, and landscape
uplighting should be operated on timers that turn off illumination entirely
after midnight nightly.
ii) Shielding and careful placement should be used to prevent spill light
from being visible to pedestrians, motorists, and nearby residential
dwelling windows.
iii) Adjacent to single family homes, a combination of lower mounting
height and luminaire shields should be used to protect residences from
spill-light and glare.
iv) Illumination levels of facade uplighting, roof wash lighting and landscape
uplighting should use lower brightness levels where the illuminated
facades, roofs or landscaping face residential buildings, except across
wider streets or boulevards with landscaped medians and street trees.
6) Sustainability
a) Materials
i) Use local and recycled building materials whenever possible.
b) Paved Areas
i) The grading of all paved areas and adjacent non-paved areas, the selection of
paving materials, and the design of drainage facilities should consider paving
permeability and be configured to allow water run-off to percolate back into
native soil to the degree possible.
ii) Paved areas shall incorporate best management practices to control stormwater
as outlined in the Spokane Regional Stormwater Manual.
c) Landscaped Areas
i) All landscaped areas should be designed to allow aquifer filtration and
minimize stormwater run-off utilizing bio-swales, filtration strips, and
bio-retention ponds where appropriate.
ii) As part of new street construction or sidewalk improvements, landscaped
areas within the street right-of-way should be designed to be functional
stormwater treatment facilities.
(1) Rain gardens configured as follows are recommended in urban locations
where space is limited.
iii) The use of drip irrigation, gray water systems and other water-conserving
methods of plant irrigation are strongly encouraged.
iv) Plant and landscape materials should be selected from native species
as well as non-native/non-invasive species that are well adapted to the
climatic conditions of Spokane Valley. They should be resistant to local
parasites and plant diseases. Turf is highly discouraged.
Fig.2.3.3. 6) stormwater treatment facilityBO
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