GCC North Campus Master Plan

              Archives LD6501.G55
G562 2006
Glendale Community College
Glendale Community College
North campus master plan 6.
JY'7'06
commun t Y college nor t h
6.2.06
glendale
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campus masterplan
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mission
_To address the higher education needs of
our community.
_To assist students in meeting their
educational goals.
_To prepare students to participate in a
culturally diverse, technological and global
society.
_To prepare students for successful transfer
to colleges and universities.
_To prepare students for employment and
advancement within their chosen careers.
vision statement
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_Glendale Community College will be
an innovative educational provider of
quality lifelong learning experiences for all
members of the community.
com m u n y c a e 9 e n o r t h I------ E
GCCN
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The natural setting of the GCCN site is spectacular with indigenous desert vegetation bisected diagonally by an arroyo that enters the site
from the northeast corner and exits at the southwest corner. This natural drainage system is populated with mature ironwood and mesquite
trees and forms a relatively lush green open space that will be respected with future site development.
The adjacent context is one and two story single family residential development at the east, south and west edges of the campus. At the
south property line there is an easement for an Arizona Public Service overhead power line and a below-grade Southwest Gas line. Directly
north of Happy Valley Road is a visually prominent natural feature, Ludden Mountain, which has been recently acquired by the City of
Phoenix.
Glendale Community College North is one of over 25 existing and proposed campuses I centers that serve the educational needs of the 2.8
million residents of Maricopa County. Glendale Community College North (GCCN) is an extension campus of Glendale Community College
which is located approximately 10 miles south in the City of Glendale, Arizona. The north campus will better serve the needs of a community
that is rapidly expanding the physical boundaries of metropolitan Phoenix.
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executive summary
At the end of the Phase One construction
the campus will be able to accommodate
a student headcount of 2,813 at 90,000
GSF. The total build-out of the campus will
accommodate a student headcount of 10,000
at 320,000 GSF. The phasing strategy for
the division of the ultimate campus build-out
was based upon the desire to minimize the
infrastructure costs (parking, utilities, services,
roadways etc.) in the first phase, and to
distribute it more equally among the later
phases.
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Glendale Community College North (GCCN) is comprised of 75 acres of predominantly undeveloped land located at the south edge of
Happy Valley Road between 61 st Avenue to the west and 57th Avenue to the east. The Maricopa County Community College District
(MCCCD) purchased this land parcel in the early 1984 and in the 2000 the district developed approximately 15 acres of the northeast corner
of the property with 10,000 GSF of single story modular buildings to house GCCN student programs. An additional 10,000 GSF of modular
buildings is owned and operated by the Deer Valley High School District under a temporary use agreement with GCCN.
Operationally and physically, the GCCN campus must be a "good neighbor" to the surrounding community in many respects. The
campus infrastructure, architecture and landscape character shall be designed to respect & compliment the natural desert site, climate
and surrounding neighborhood. The site should be open, yet safe for the surrounding community to use for academic and for the casual
neighborhood walks through the campus. Functions such as the community room, library and fitness center will available for the community
to use during the week and weekends.
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Campus vehicular ingress and egress will be restricted to Happy Valley Road. Consequentially, the pattern of future development will
progress from north to south. The arroyo will remain the significant green space on campus and will serve as an informal campus quad to
encourage pedestrian interaction. The arroyo and the two major campus courtyards will become the civic living room for the student body,
faculty and staff.
Phase One will establish the need for a major signalized campus entry at Happy Valley Road and the center of campus which is the
approximate geographical location of 59th Avenue. The proximity of Phase One to the existing modular buildings will establish a close
linkage to integrate these existing buildings into the new campus fabric. Future Phase Two will complete the development of the campus
north of the arroyo.
The split or dual central plants are to provide cost effective services for after hour programs. Academic programs that require extended or
"after hour" services for heating and cooling of the spaces will be located on the north side of the arroyo. Ultimately, the northern central
plant will be used to operate these after hour programs, while the southern central plant and building spaces will be non-operational during
the same hours.
To implement Phase Three and Phase Four development of the GCCN property will require two vehicular bridges capable of supporting
fire truck access at the loop road as it traverses the arroyo. A new Central Plant that will serve the facilities south of the arroyo will be
constructed in Phase Three and will expand to serve Phase Four.
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table of contents
cover
01 title page
02 executive summary
03 table of contents
04 statement of purpose
05 masterplan goals
06 existing campus
07 service area
08 context plan
09 functional program
10-13 masterplan guidelines
14 phase one
15 phase two
16 phase three
17 phase four (build-out)
18 access I circulation
19 traffic analysis summary
20 drainage plan summary
21 site adequacy
narratives
22 site I topography
23-24 landscape
25 utilities
26-27 mechanical
28-30 electrical
31 credits I references
32 appendix
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statement of purpose
_Develop the site in harmony with the unique Q)
natural attributes both on-site and on
surrounding land parcels
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The purpose of the Glendale Community
College North Master Plan is to create a
graphic framework and guidelines that
delineates an overall vision for the campus
to help guide future decision making. All of
the Maricopa County Community College
District campuses are funded through
bond elections which occur approximately
every 10 years. This master plan
document envisions four phases of facility
implementation to realize the potential
capacity of this land area. The ultimate
campus build-out will take many years, so
the master plan vision needs to be flexible
to anticipate change while creating a
concept that supports the academic mission
of the GCCN campus. The physical plan
must be appropriate for this unique site, and
based on sound planning principals that will
stand the test of time.
_Engage the community through
participation in the planning process and
encourage neighborhood involvement in
making this campus a vital part of the civic
fabric of metropolitan Phoenix
_Maximize the value of investment of public
funding for campus improvements through
planning efficacy
_Create a campus plan that supports the
academic mission of Glendale Community
College North as an extension of Glendale
Community College
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campus vision and goals
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Physical Environment
Plan for areas for concessions to reduce campus clutter.
Plan for areas for signage - monumental entry signage for campus.
Identity: this is an extension of GCC: The built campus does not have to relate to the existing GCC campus architectural or
landscape character. No palm trees!
Sustainability: no "LEED" process but desire to have sustainable design within the budget.
Create public use spaces to open up to the outside - possible use of large doors.
Operable windows will have to be reviewed with MCCCD - issue of control for the mechanical systems.
Design to be strongly influenced by the program needs, site influences, future flexibility, campus aesthetics and budget.
The new campus should incorporate the existing buildings into the master plan - separate but connected.
The existing campus with its classrooms and administrative spaces are part of the overall needs and growth strategies.
Deer Valley Unified School District space to be analyzed for future consideration - DVUSD signed new two-year lease in
March 2006.
Exterior Environment
The buildings should be integral with the site and follow the arroyo.
Smoke free campus - limited smoking areas.
It is a campus and community desire to preserve the desert - utilize natural pathways.
Use flood control management to correct and prevent flood and erosion damage and preserve natural habitat and wildlife
resources in the arroyo and floodprone areas.
Create a comfortable, cool oasis in the desert - create small green spaces.
Create easy transition from parking to building environment.
Convocations on the north campus is a desire for the future - provide large group area.
Teaching and Learning
Use the site for natural classrooms and labs.
There are no plans for sports programs for this campus.
Some of the faculty will be coming from the GCC main campus to teach at the North campus.
Some faculty will be full time and be located on the North campus.
Students should have easy access to faculty offices. Office layout to encourage student and faculty interaction.
Community
Lights, parking, entrances, noise: these are important issues to the community.
Desire walking paths for the community.
The use of the site by local off-road vehicles is a concern by the community.
Measures must be taken to stop all unwanted vehicles from using the site.
Engineering
Analyze impact of power lines for expansion constraints.
Need a flexible structure for future renovations - minimize load bearing walls.
Create a flexible technology infrastructure.
Location of central plant will be critical due to service component, excessive noise and water spray from units.
Size mechanical and electrical services to accommodate future expansion seemlessly.
Safety and Security
Conflict issues: vegetation and security cameras - careful placement of vegetation and cameras.
Planning Considerations
_Service area growth for GCC North is
rapid-projected to approach 440,000
residents by 2010 and 722,882 by 2020;
enrollment is expected to increase to 7,950
students by 2014.
_Master planning emphasizes strengthening
signature educational programs: general
education/transfer courses, Administration
of Justice Studies, Computer Information
Systems (CIS), Emergency Medical
Technicians (EMT), Fire Sciences and
General Business programs.
_Student Services will be improved through
the addition of on-site advisement,
enrollment services, library, bookstore,
fitness/wellness and food service facilities.
_Collaboration and co-use of Deer Valley
Unified School District facilities will continue
for the foreseeable future.
_Where possible, additional workspace for
adjunct faculty should be incorporated.
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Campus ingress and egress will be
restricted to Happy Valley Road.
Consequentially, the pattern of future
campus development will progress from
north to south.
The natural setting of the campus includes
indigenous desert vegetation complimented
by an arroyo that enters the site from the
northeast corner and exits at the southwest
corner. Overhead electrical power lines and
an underground gas line also engage the
site along the southern property line.
Partnerships
The Northwest Education Center (NEC),
a collaborative effort of GCC, Deer Valley
Unified School District, and Arizona State
University West, is located at GCC North.
The NEC offers high school juniors and
seniors a unique opportunity to bridge three
segments of their education: high school,
community college and university, 2+2+2.
Glendale Community College North is
located on a 75-acre site south of Happy
Valley Road between 57th and 61st
Avenues. The existing 15 acre campus
includes 20,000 gross square feet of
single-story classrooms and administrative
area (10,000 GSF belongs to DVUSD
and 10,000 GSF to GCCN). The 10,000
GSF that belongs to GCCN includes
7,000 GSF for classrooms and 3,000 GSF
for shared administrative space. Basic
student services such as course placement,
assessment, advisement, and registration
are available. The existing facilities blend
neighboring influences with planned desert
landscaping, making the campus an
attractive addition to the community.
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service area
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Glendale Community College North is an
extension of Glendale Community College.
GCC North is dedicated to serving the
higher educational needs of Northwest
Valley residents.
The GCC North campus opened in Fall
2000 and has served over 6,533 students
to date. Fall 2002 and Spring 2003
illustrate the rapid growth of this site, with
headcount enrollments of 1,543 and 1,461
respectively. Analysis of growth statistics
indicates that the College must be prepared
to support a 30% increase in its student
population over the next 10 years.
This surge in student population within
the service area will greatly impact the
immediate need for additional facilities
required to better serve the expanding
community.
Glendale Community College North
Glendale Community College
Paradise Valley Community College
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context plan
The campus is located between Ludden
Mountain to the north and the Hedgpeth
Hills to the southwest. One and two story
residential communities surround the
site on the east, west and south sides.
The Deem Hills flank the campus to the
northeast.
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ludden mountain
1-17
Vehicular access to the campus will be
greatly increased with the expansion of
the Loop 303 freeway to the west. The
Loop 303 now extends for 25 miles from
Interstate 10 in Goodyear north to Pleasant
and Happy Valley roads in Peoria. In
five years, work will be completed on
another eight miles to the north, providing
a connection from Happy Valley Road
to Interstate 17 along roughly a Lone
Mountain road alignment.
The existing and proposed developments
that surround Glendale Community College
North have influence the increasing demand
for campus expansion. All forecasts predict
a continuation of community growth and a
substantial portion of that growth will occur
in the area served by GCCN.
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EXisting Phase I Phase II Phase III Phase IV
2002-2007 2007 - 20014 2015 - 2024 2025 - 2034 2035 - 2044 Total Total % of Total
Total FTSE 479 1,125 2,063 3,088 4,000 GSF/FTSE GSF per GSF at
Dav FTSE at General Final
Headcount 1,406 2,813 5,156 7,719 10,000 final Category Build
build-out Out
Program Facility/Use Category Existing'
sf% Total sf% Total sf% Total sf% Total sf%
1990
Computer Labl Library 0 0% 19,651 22% 0 0% 0 0% 10,000 3% 7 29,651 9%
Ubrary Media Center 10,951
Information Tech Service Area 1,180
Computer Commons Cyber Cafe 2,300
Net to Gross Factor 5,220
Administration 1,500 15% 350 0% 3,000 2% 0 0% 3,000 1% 2 7,850 2%
Administrative Area 250
Net to Gross Factor 100
Student Services 0 0% 18,264 20% 0 0% 9,000 4% 0 0% 7 27.264 9%
Student EnrollmenVAdmlssionsIBusiness 7,045
Bookstore 1,000
Food Service 1.650
Student Life 1,530
Community Meeting Room 2.200
Net to Gross Factor 4.839
Faculty Services 0 0% 0 0% 10,000 6% 10.000 4% 0 0% 5 20,000 6%
General Instructional Space 8,500 85% 19,350 22% 45,000 27% 30,000 12% 40,000 13% 36 142,850 45%
Instruction Space 10.000
Instruction Support Space 4,110
Net to Gross Factor 5,240
Applied Sciences/Occupational 0 0% 0 0% 0 0% 0 0% 0 0% 0 0 0%
Physical or Life Sciences 0 0% 8,220 9% 0 0% 18,000 7% 0 0% 7 26,220 8%
Science & Chemistry Labs 5,900
Net to Gross Factor 2.320
Physical Education, Athletics and 0 0% 6,095 7% 15,000 9% 0 0% 5,000 2% 7 8%
FitnesslWellness 26,095
Fitness & WeI/ness Center 4,445
Net to Gross Factor 1,650
Fine Arts 0 0% 0 0% 2,000 1% 10.000 4% 0 0% 3 12,000 4%
Support Services 0 0% 0 0% 0 0% 0 0% 15,000 5% 4 15,000 5%
Child Care 0 0% 0 0% 0 0% 0 0% 0 0% 0 0 0%
Maintenance, Operations and Central
0 0% 8,070 9% 0 0% 5,000 2% 0 0% 3 4%
Plant 13,070
Central Plant Equipment 2,750
Facilities Management 1,540
ShippinglReceiving 800
Coflege Safety 800
Net to Gross Factor 2,180
Other 0 0% 0 0% 0 0% 0 0% 0 0% 0 0 0%
new sf remodel sf new sf remodel sf newsf remoda/sf newsf remodel sf
80,000 0 75,000 0 82,000 0 73,000 0
Total GSF I Phase 10,000 80,000 75,000 82,000 73,000 80 320,000 100%
Cumulative Total Area (GSF) 10,000 90,000 165,000 247,000 320,000
oseats oseats oseats oseats oseats
Athletic Facilities Improvements o sflimprovements o Sf/improvements o sflimprovements o sf/Improvements
Parking I~urface 369 spaces 361 spaces 390 spaces 440 spaces 450 spaces 2010 spaces
Structure ospaces ospaces ospaces ospaces ospaces ospaces
Cumulative Parking 730 spaces 1120 spaces 1560 spaces 2010 spaces 2010 spaces
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functional program
This chart lists the existing square footage
of campus buildings by use, Future
campus expansion is categorized as
phased construction and type of facility to
meet enrollment needs. These areas are
set forth as a reference to determine the
ultimate physical size of the campus.
Note: 2007 and beyond Headcount and
FTSE numbers are based upon space
accommodation per the available GSF and
not projected growth.
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masterplan guidelines
The Master Plan Guidelines illustrate the
planning recommendations that are based
on an understanding of the existing site
influences. The following describe how
various campus systems can be influenced
to meet the needs and goals of the master
plan. These campus systems and the way
they relate to one another determine how
well the campus is organized as well as the
way it appears aesthetically.
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existing campus
The existing campus consists of 20,000 GSF of educational space and 369 parking spaces. All of the facilities on campus are
modular buildings which are inherently temporary buildings with a limited lifespan. GCCN owns and operates 10,000 GSF of facilities
(7,000 GSF for classrooms and 3,000 GSF for shared administrative space) and Deer Valley High School District owns and operates
an additional 10,000 GSF of educational buildings through a joint use agreement with the district. The initial development is located
at the northeast corner of the site adjacent to and north of the arroyo. Due to the critical need for classroom space on campus, the
modular buildings, although temporary, will remain in service into the foreseeable future. Eventually these buildings will be removed
when they exceed their efficacy and be replaced with a new building, potentially two-stories in height to match the proposed
commercial development north of Happy Valley Rd. The south edge of the existing parking lot has unfortunately encroached into
the natural drainage channel and existing storm runoff from the parking lot has disturbed the natural landscape. Phase One will
address the parking lot by removing the southern half of the paved area and placing the new Instruction Building at this location. The
natural drainage channel will be restored and re-vegetated. This new building will create a direct linkage to the modular buildings
incorporating them into the overall campus fabric.
The Glendale Community College North campus is a very unique parcel of land in that it is for the most part 75 acres of natural
desert. The land area is bisected with a natural arroyo that runs from the northeast corner of the property in a diagonal to the
southwest corner of the property. The arroyo has many fine examples of mature ironwood and mesquite trees and thick undergrowth
that shelters the embankment. This beautiful natural feature will appropriately become the heart of the campus and all future campus
development will respect this green belt and not impact it in a negative way.
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exterior courtyard created to encourage student and faculty interaction.
The community college campus is unique in that students do not live on campus but commute to campus everyday. Class schedules
are usually heaviest in the mornings and evenings to accommodate students that are working or are raising families. Students can
travel long distances to attend classes and most juggle busy schedules. Ease of access from major transportation corridors, optimum
ingress and egress for vehicular traffic and adequate and distributed parking directly adjacent to the educational facilities are
important issues.
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vehicular access _
vehicular ring road _
landscaped paths.--­signalized
intersection
masterplan guidelines
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development pattern
The Glendale Community College North campus has limited access only from Happy Valley Road at the north edge of campus.
GCCN will need multiple entry drives from Happy Valley Road and most importantly will need a signalized intersection for vehicles
exiting campus westbound. It appears feasible that a new signalized intersection at the alignment of 59th Avenue will be allowed by
the City of Phoenix. The campus diagram for vehicular circulation will have at build-out a ring road that accesses all parking areas
distributed at the perimeter of campus. Students will park and walk on landscaped paths to the educational facilities that will flank
either side of the arroyo without conflict with vehicles that are entering or exiting the campus.
Education and most importantly student and faculty interaction occur not only in the classroom but also in the in-between spaces on
campus. The GCCN campus plan strategically places buildings adjacent to each other so that courtyards and intimate outdoor rooms
are formed. These campus spaces will encourage people to sit and enjoy each others company or provide a quiet place to study. The
availability of food or coffee adjacent to exterior courtyards enhances the viability of forming a campus community meeting space.
Shade and sun depending on the time of year and sometimes the time of day is a crucial to making exterior environments livable.
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At both Phase One and Phase Two, in the evening the building courtyards will have the ability to be secured and pedestrian
circulation will be via internal building corridors. This will allow campus Safety the ability to monitor access to and from the campus.
Upon the completion of Phase Three and Phase Four the arroyo will be internalized into the overall campus, there will be more
pedestrian traffic on campus and the need for controlled access will be less important.
Split or dual central plants will provide cost effective services for after hour programs. Academic programs that require extended or
"after hour" services for heating and cooling of the spaces will be located on the north side of the arroyo. Ultimately, the northern
central plant will be used to operate these after hour programs, while the southern central plant and building spaces will be non­operational
during the same hours.
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exterior classroom integrated into the natural desert
building transparency along arroyo
masterplan guidelines
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development pattern (cont)
Locating the Central Plant at the geographical center of campus will provide the most efficient utility distribution for all facilities. The
Central Plant will be a phased implementation with Phase One and Phase Two being served by the north Central Plant, which will
be built initially to provide service for both Phases. A separate south Central Plant will be built to provide utilities for Phase Three and
Ultimately Phase Four.
The Central Plant and shipping and receiving functions are necessary service functions that are not only critical to the operation of
the facility, but depending on location of the facility and the amount of truck traffic, can also affect the overall collegiate experience as
well. With the only vehicular access from Happy Valley Road, effectively the front door to the campus will also have to accommodate
service traffic as well. This negative aspect can actually work to the advantage of the campus in that the central Plant and all of the
components on campus that require deliveries can be collocated and the service vehicles can be intercepted immediately upon
entering campus. The Central Plant and the cooling towers will be situated close to Happy Valley Road to minimize any noise issues.
Service vehicles will be removed from pedestrian traffic areas and be screened from view. Delivery trucks will drive in a clockwise
pattern and maneuvering in the loading dock area will be at a minimum. Vehicles will proceed to leave the dock in the same
clockwise pattern to exit the campus.
The natural arroyo is the focal point on campus because it inscribes a green vegetated line through the desert. At Phase One and
Phase Two development of the campus, the arroyo will form a natural south edge to the educational facilities. A pedestrian path will
be developed along the north edge of the arroyo to encourage walking along the desert wash. Outdoor areas will be developed to
be used as exterior classrooms or event spaces. The south facing building elevations that flank the wash will be transparent to bring
in natural daylight and views. It will be important that any south facing glass is protected from direct sunlight during the hot months
of the year. This overhang will serve a double purpose in shading the glass and providing a covered place to walk during hot or
inclement weather.
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Low site walls that will define patios or screen parking areas shall use local stone in ashlar coursing
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stones found on-site showing
natural desert palette.
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architectural guidelines
The Central Plant and all delivery functions will be visually screened utilizing Gabion constructed walls which are steel mesh baskets
filled with local rocks. These elements will become an integral part of the site and will also act as entry signage to the campus.
winery in California utilizing gabion wall construction as screening element.
The predominant architectural materials will be sympathetic to the existing buildings on campus and of the homes in the adjacent
neighborhoods. Three coat stucco on masonry back-up, tilt-panel concrete walls with a stucco finish coat and in limited quantity
exposed masonry walls of standard or ground-face integral colored block are acceptable. Steel will be used for canopies, gates and
transparent fences and will be fabricated of Corten Steel or galvanized steel for durability and low maintenance. Avoid painted steel
due to maintenance issues.
Exterior glass will be low-e double pane glazing for good energy performance. Glass shall be transparent for good visibility
characteristics. Shading of exterior glass depending on the orientation is important for energy conservation and interior comfort.
The color palette will be predominantly muted earth tones and warm grays that are present in the natural desert. The natural color
palette of the desert is quite rich in hue and saturation so the term earth tone is intended to be an inclusive range of colors and not
restricted to brown and tans. Accent colors will be used sparingly and will denote or celebrate a special place or function.
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site development
Main Campus Entry
Secondary Campus Entry
Service Entrance
Improvements along Happy Valley Rd
Existing Surface Parking 50 spaces
Surface Parking 680 spaces
Campus Loop Road
Centralized Courtyard
Pedestrian Bridge across Arroyo
buildings
Existing Facilities 10,000 GSF
Deer Valley Unified School District (10,000 GSF)
Instructional Building
Library / Media Center
Enrollment Building / Fitness / Campus Safety
Bookstore/Kitchen/Loading Dock
Central Plant
note: All phase one buildings assumed to
be one-story structures.
phase one 2006-2014
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campus gsf 90,000
parking spaces 730
headcount 2,813
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Campus Building 25,000 GSF
Campus Building 25,000 GSF
Campus Building 25,000 GSF
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campus gsf 165,000
parking spaces 1,120
headcount 5,156
ftse 2,063
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Surface Parking 440 spaces
Complete Campus Loop Road
Pedestrian Bridge(s) across Arroyo
Centralized Courtyard
buildings
• Observatory (optional - not included in GSF)
Campus Building 25,000 GSF
Campus Building 25,000 GSF
Campus Building 25,000 GSF
Central Plant 7,000 GSF
note: All phase three buildings assumed to
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campus gsf 247,000
parking spaces 1,560
headcount 7,719
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Campus Building 25,000 GSF
Campus Building 25,000 GSF
Campus Building 25,000 GSF
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replaces existing buildings
potentially two-stories
site development
Surface Parking 450 spaces
note: phase four buildings p,q,and r
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phase four 2034-2044
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The GCCN campus is limited to Happy
Valley Road for vehicular access into and
exiting the site. The expected student
growth for the campus will require multiple
access drives along Happy Valley Road,
as well as a centralized major entry/exit
drive that is signalized. The signalized
intersection will provide a safe means
for faculty and students to access and
exit the campus. When Phase Three is
implemented, a vehicular circulation ring
road will be completed, providing easy
perimeter access to all of the distributed
parking areas. Students will park and walk
on landscaped paths to the educational
facilities without conflict with vehicles that
are entering or eXiting the campus. A
separate service entrance will be designed
to serve the central plant and campus
delivery needs.
Phase Three development of the GCCN
property will require two vehicular bridges
capable of supporting fire truck access at
the loop road as it traverses the arroyo
to complete the campus loop road. A fire
access lane to the buildings will also be
required.
A pedestrian path will be developed along
the north and south edge of the arroyo to
encourage walking along the desert wash.
Outdoor gathering areas will be developed
to be used as exterior classrooms or event
spaces.
access I circulation
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loop road ­service
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The south loop road should be two lanes
wide with a center turn lane on the south
half of the site. The north loop road
should be four travel lanes.
The loop road should be aligned
approximately 200 feet south of Happy
Valley Road at the intersection with
the main entrance road. This provides
adequate exiting queuing and improving
traffic circulation on the loop road during
peak travel times.
Vehicular and pedestrian bridges across
the arroyo should be planned for in
phase three and phase four.
e The truck entrance should be separate
from the main entrance due to the
conflicts between large vehicles and
pedestrian traffic. The west entrance is
more appropriate to truck traffic.
a Three access points are recommended
on Happy Valley Road, one main
entrance on the 59th Avenue alignment,
one 300 feet east of 61 st Avenue, and
one 900 feet east of the main entrance.
C A transit stop should be planned at the
main entrance loop turn-around for
future bus service.
Emergency access is recommended
on both 61stAvenue and 57th Avenue.
These can be chained off with Knox
boxes or other systems to allow quick
emergency access.
*refer to traffic analysis report by dibble E
and associates - may 23, 2006 for comPlete ,.
analysis
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Though located several miles from the nearest freeway, Glendale CC has a strong roadway network accessing the site. Interstate 17
and the Loop 101 Freeway are the principal arterial routes that access the Glendale CC North Campus. Students and faculty use 67th
Avenue and 35th Avenue as the major north-south arterial routes and Happy Valley Road as the primary east-west major arterial route
to access the site. 61 st Avenue is a minor collector serving the residential subdivisions. 57th Avenue is a local residential road.
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Several alternatives for improvement of
the wash for development are considered
in the Master Drainage Plan Report.
The preferred alternative establishes an
unofficial floodway outside the erosion
setback limits of the wash. This approach
maintains the natural feature of the wash
as a centerpiece of the campus, while
minimizing the need for embankment
protection and other structural elements.
The floodway approach will also allow
the greatest flexibility in phasing
the development, since all planned
development has a relatively low impact.
However, each development phase will
need to be analyzed in detail to ensure that
the development of that phase will not force
the wash to overtop its banks and flood into
adjacent properties.
The GCCN site is traversed by a major
unnamed wash, flowing from the northeast
corner of the property to the southwest
corner of the property. This wash has been
included in several studies of the area,
including the Little Deer Valley Conceptual
Drainage Plan prepared for the City of
Phoenix and the Glendale/Peoria Area
Drainage Master Plan prepared for the
Flood Control District of Maricopa County.
The floodplain for this wash is designated
as "Shaded Zone X" by FEMA, and
mandatory flood insurance is not required.
This wash also falls under the jurisdiction
of Section 404 of the Clean Water Act, and
any physical work within the jurisdictional
limits will require a permit from the US Army
Corp of Engineers.
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Developed Conditions Floodway - No ultimate development or fill can occur within this line. ­Erosion
Setback - Recommended setback based on developed conditions floodway. - *refer to master drainage plan report by
Natural floodway - Natural setback limit in existing conditions. r-- dibble and associates - may 22, 2006 for
complete analysis
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*65' right-of-way along Happy Valley Rd
**setbacks:
front yard 40'
side yards 30'
rear yards 30'
site adequacy
The following diagram tests the adequacy
of the proposed site and graphically
indicates the total land coverage required
for the entire campus.
The final diagram indicates that the site can
accommodate the campus as planned.
78.23 gross acres
74.38 net acres* (with right-of-way)
68.61 net acres ** (with setbacks)
8-1 zoning (District Ranch or Farm Residence)
The 'BUILDING ZONE' combines the
building area requirements with open
space of equal area. For these studies the
building area assumed to be entirely at one
story.
Land has also been allocated for student,
faculty, staff and visitor parking.
Site Characteristics
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The existing campus facilities were constructed on the northeast corner of the site and include a retention area to capture runoff
from the building and parking areas before being released back into the natural wash. The build-out development of the campus
will require extensive retention facilities to retain the 100 year, two-hour storm water runoff from the site according to City of Phoenix
standards. New retention facilities are anticipated to consist of multiple small basins in landscaped areas and will be dispersed
throughout the building and parking areas for each phase. In addition to smaller retention basins dispersed throughout the parking
and building areas, larger basins may be located in the southwest and southeast corners of the site. A portion of an existing power
line easement on the southern border of the site may also be used for retention basins.
Grading, Drainage and Retention
The development of the campus will incorporate grading concepts that generally follow the existing slope and grade of the land.
Each phase of the campus development will be designed independently, while maintaining the overall grading and drainage concept.
Each phase should take into account the impact of grading, drainage, retention and earthwork on future phases, and resolve to
implement a design that will function accordingly. Finished floor elevations shall be set a minimum of 1 foot above the floodplain
elevation of the existing wash to protect the buildings from flooding. Significant earthwork is anticipated for each phase to raise the
building pads accordingly and to incorporate drainage facilities throughout the parking areas.
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The development of the campus will require
special attention to the natural grades of
the property and must try to incorporate the
slopes of the existing terrain to the greatest
extent possible. The drainage wash is
intended to remain in place and will be utilized
as a landscape amenity through the campus.
A medium-sized natural drainage wash,
originating at a newly constructed box culvert
under Happy Valley Rd and the 57th Avenue
alignment, splits the property diagonally from
the northeast to the southwest and carries
storm water runoff through the site. The wash
is normally dry and consists of a sandy bottom
with shallow side slopes. During storms, the
wash conveys a significant amount of flow
through the site. The majority of the site
slopes toward the wash with the exception
of a small area in the southeast corner which
is relatively flat and slopes gently toward
the south. A berm has been constructed in
the southeast portion of the site to redirect
overflows from the wash back into the
historical drainage path and prevent flood
waters in the residential area to the south.
The project site is located at the base
of Ludden Mountain to the north and
generally slopes to the southwest. There is
approximately 22 feet of elevation difference
from the high point to the low point of the
site, resulting in average slopes between
approximately 0.8% and 1.8%. The eastern
portion of the site, consisting of the existing
buildings and parking area, is characterized by
a relatively gentle slope to the south and west,
while the western portion consists of a greater
variation and undulation in slope from the
north to the south. A small natural hill resides
at the northwest corner of the site.
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Providing shade and amenities for pedestrian comfort is crucial to the success of the outdoor spaces on this campus.
Adjacent Ludden Mountain to the north portrays the character of the area surrounding the campus.
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The Glendale Community College North
Campus is a desert garden - an arid
pedestrian-oriented environment tempered
and enhanced by native and naturalized
desert plants. The campus is surrounded
by the desert landscape of the north
Phoenix mountains with great views of
Ludden Mountain to the north, and a lush
desert arroyo that traverses the campus.
The development, implementation, and
care of the outdoor spaces are crucial to
the character, coherence, and comfort
of the campus. The goal of these design
guidelines is to direct the creation of
comfortable outdoor environments that
celebrate our desert surroundings while
mitigating the sometimes harsh climate.
This allows students, faculty and visitors to
enjoy the garden spaces of the campus and
transition smoothly to the indoor comfort of
buildings. The use of formal plantings along
with natural desert and arid gardens will be
fundamental to establishing the campus
and will be encouraged. The gardens and
outdoor spaces will be exemplary in their
character and techniques of environmental
sustainability. The built and natural
landscape of the beautiful existing arroyo
will be the strongest element that helps
to create the unique campus identity, and
sense of place whether it is a streetscape,
pedestrian mall, courtyard, quad or secret
quiet garden.
landscape design guidelines
Visitors from around the country know that
Arizona is the place to be to enjoy mild
winters and outdoor activities. However, the
summer weather is brutal on pedestrians
and often limits the amount of time people
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landscape design guidelines
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a comfortable campus
Incorporate shade in many forms, such as trees, vegetation and shade structures, for all outdoor areas, and design planting areas
that will allow for the growth of large, healthy shade trees. Human comfort is of the utmost importance in outdoor spaces in the
Arizona deserts. Designers will need to consider many ways to create shady, cool spaces for students, faculty and visitors to the
campus.
the unparalleled desert garden
Building on the desert garden theme, celebrate the path of water, both man-made and natural, through this desert site to create
a unique identity for the campus. This campus is defined by the natural arroyo that bisects it. The presence of the desert's most
precious resource should be celebrated with gathering spaces, focal points, the judicious use of water features, and campus
identity markers that signify the importance of the natural landform. Native vegetation should be augmented with colorful desert­adapted
plants that help create a lush environment while still conserving water.
places for people
Create a variety of spaces and gardens in which people can gather or sit independently, paying special attention to the
opportunities of microclimates created by buildings. Students, faculty and visitors to college campuses make use of the space in
myriad ways. Designers must plan for a variety of spaces including large, open gathering areas; small, quiet areas for individual
study and everything in between.
materials for the southwest
Choose materials that are appropriate for sun exposure and orientation to reduce the amount of glare, reflected heat, and hot
metal surfaces, while reinforcing the contemporary, upbeat feel of the campus. Materials and furnishings on the campus will have
to be chosen carefully because the relentless sun often makes benches unusable and plazas too bright.
sustainability in the desert
Investigate ways to celebrate this modern campus as a model of sustainability. As both an educational institution and a desert
inhabitant, the campus of Glendale Community College North has a great opportunity to lead the community in environmental
awareness through the use of recycled materials, rainwater and condensate harvesting and proper plant maintenance techniques.
want to spend outside. Design decisions
on the Glendale Community College North
campus must center on ways to mitigate
the hot and dry summer conditions that are
often uncomfortably warm. Our Sonoran
Desert location makes it imperative that
designers choose appropriate materials
for seating and amenities, create shade in
many forms, and reduce glare and reflected
heat.
These guidelines set forth the basic tenets
that must accompany future development
and renovations on the campus of Glendale
Community College North. This is the
framework for a college campus which
is cohesive, safe, easily-navigable and
comfortable for all users. The campus
design will be successful when designers
consider the five basic landscape design
principles.
The existing arroyo filled with native specimen Ironwoods is
the defining campus characteristic.
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Natural Gas Service
Southwest Gas Corporation provides natural gas service in the area. There is an existing 4-inch line in Happy Valley Rd.
Sewer Service
The City of Phoenix provides sanitary sewer service in the area. There is an existing 10" stub out in 61 st Ave at the southwest corner of the
site. The existing 8" force main in Happy Valley Road is being abandoned and will not be available for a sewer tap. Alternatively, there is an
8" line in 57th Avenue in the subdivision to the southeast, but is not recommended for use for this site.
Domestic Water and Fire Line Service
The City of Phoenix provides water service in the area. There are existing lines available from Happy Valley Road (12" and 24") or 61 st
Ave (12"). An evaluation will be conducted to determine the routing of domestic water and fire line services throughout the campus and
how it will be phased. The City of Phoenix requires separate fire service lines and domestic water service lines, unless the combined line is
dedicated as a public line in an easement. It is anticipated that an 8-inch water line will be sufficient for each/both domestic water and fire
service requirements.
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site utilities
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Arizona Public Service (APS) provides electrical service in the area. Existing lines are both overhead and underground in Happy Valley
Road. Some or all of the overhead service may be underground with current or future roadway improvements.
I Roadway Improvements
The City of Phoenix will require half-street roadway improvements on the surrounding streets.
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Happy Valley Road:
Will be required to match the City standard for that road (3 lanes w/ median island, bike lane, curb &gutter, and sidewalk). The existing 55
foot right-of-way will need to be widened to 70 feet and dedicated to the City to match the existing right-of-way on each side of the property
and accommodate the improvements.
51st Avenue:
Half-street roadway improvements are along the length of the property (curb & gutter and sidewalk). This is a standard residential collector
street, that may be required to be completed, depending on City input.
Southeast Corner:
There is also a portion of unimproved roadway (part of the subdivision to the southeast) that may be required to be half-street, depending on
City input and the final scheme.
Driveway Entrances
The City of Phoenix will review the proposed entrance locations with the Pre-Application submittal. Two new driveway entrances are
proposed on Happy Valley Road along with the existing entrance for a total of three. No entrances are currently proposed on 61 st Avenue
or 57th Avenue.
Traffic Signals
Traffic signals are planned at 55th Avenue (with the subdivision development to the north) and 64th Avenue (under construction). A new
signal is anticipated at approximately the middle of the site (59th Ave alignment), as long as it is warranted by the traffic study or other
extraordinary circumstances.
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mechanical
Phase Two
The Phase Two expansion will require
that a third 300-Ton chiller be added to the
central plant. The underground chilled water
distribution system will be extended from the
west valve box installed under Phase One to
serve the new Phase Two buildings.
Phase One
It is the intent that the central cooling plant
constructed for Phase One will also serve the
future Phase Two expansion and the Phase
Four expansion north of the arroyo. It is also
the intent that a future central plant will be
constructed on the south side of the campus
site to serve the future Phase Three expansion
and Phase Four expansion south of the arroyo.
In addition, accommodations would be made
in the pipe sizing for the Phase One central
cooling plant that would allow it to serve
additional campus construction located south
of the arroyo if feasible. Under Phase One,
the central cooling plant will be provided with
two (2) electric chillers with an approximate
capacity of 300 tons each, resulting in a
minimum redundant cooling capacity of
approximately 80%. Underground chilled water
piping will be routed from the Phase One
central plant to serve the Phase One buildings
and will also be stubbed out with a valve box
to the west for future extension to serve Phase
Two expansion and a valve box to the east to
serve the Phase Four expansion north of the
arroyo. In addition, a separate valve box will be
installed from the main chilled water piping to
potentially serve campus construction beyond
the Phase Two expansion located south of the
arroyo. All underground chilled water piping
will be pre-insulated schedule 40 welded steel
provided with a high- density polyethylene
(HOPE) jacket.
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three
phase
four (build-out)
mechanical (cont)
Phase Three
It is the intent to construct a new central
cooling plant on the south side of the
campus at the time of the Phase Three
expansion. This new central plant
would also serve the future Phase Four
expansion. Under Phase Three, the new
central cooling plant would be provided with
two (2) electric chillers with an approximate
capacity of 300 tons each, resulting in a
minimum redundant cooling capacity of
approximately 80%. Underground chilled
water piping will be routed from the Phase
III central plant to serve the Phase Three
buildings and will also be stubbed out with
a valve box for future extension to serve the
Phase Four expansion.
Phase Four (build-out)
The Phase Four expansion will require
that a third 300-ton chiller be added to
the south central plant. The underground
chilled water distribution system will be
extended from the valve box installed under
Phase Three to serve the new Phase Four
buildings south of the arroyo. In addition
the underground chilled water distribution
system will be extended from the east valve
box installed under Phase One to serve
the Phase Four expansion north of the
arroyo. The north central plant's capacity
is 235,000 GSF which would allow for an
expansion of up to 50,000 GSF in lieu of the
existing facilities.
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Phase One:
SES-A will provide power to Phase Two classroom/general buildings.
The existing service entrance section serving the existing campus will be maintained until the fourth phase of construction, which at
that time will be back fed from proposed service "SES-A", and the existing APS utility power source will be removed.
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Arizona Public Service (APS)
Qwest Communications
COX Communications
Serving Utility Companies:
electrical
Power
Telephone
Cable TV
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1,155KVA
1,540KVA
900KVA
2,440KVA
2,936Amps
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1,260KVA
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power site distribution
Phase Three:
Estimated load:
82,500 SF @ 14VAlSF
Existing:
Total
A new service entrance section "SES-B" will be provided to serve Phase Three classroom/general buildings. This "SES" will be a
3,000A, 277/480V, 3-phase, 4-wire service. 277/480V panels and distribution boards will supply the lighting and HVAC equipment.
Step-down transformers with associated panels will supply 120/208V, 3-phase, 4-wire power to receptacles and low voltage
equipment.
Estimated load:
Phase One load
75,000 SF @ 12VAlSF
Phase Two:
A new service entrance section "SES-A" will be provided to serve the new North Central Plant and the classroom/general buildings.
This "SES" will be a 3,000A, 277/480V, 3-phase, 4-wire service. 277/480 volt panels and distribution boards will supply the lighting
and HVAC equipment. Step-down transformers with associated panels will supply 120/208V, 3-phase, 4-wire power to receptacles
and low voltage equipment.
Estimated load:
90,000 SF @ 14VAlSF =
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SES-B will provide power to Phase Four classroom/general buildings.
Phase Four:
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electrical (cont)
Special Systems
Fire Alarm System
Exterior Fixtures:
Parking 1.0fc
Building Perimeter 0.5fc
5. The same source used for emergency egress illumination will be used for night and security lighting inside the buildings, unless
noted otherwise. (Night and security lighting will be unswitched and energized indefinitely).
Note:
The estimated loads for SES-A and SES-B are assumed averages at this point in time. Phases One and Three include additional
loading capacity for the central plant requirements. As the design progresses, Phase One may require (2) 2,000A services in-lieu of
the proposed (1) 3,000A service.
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Telephone System
New voice, data, video, security (intrusion/
access control/CCTV) inter-building duct­banks
will be provided for all four phases.
Fiber optics as well as low voltage copper
cabling will be utilized to provide a robust
communications and security network for
the campus. Fire alarm control panels will
be networked via fiber optic cabling, and all
system components will be addressable.
Site Distribution:
An addressable analog Class-A (fully
automated) fire alarm system will be
provided consisting of, but not limited to, a
main fire alarm control panel with integral
battery back-up, remote fire alarm panels,
smoke detectors, heat detectors, manual
pull station, and combination audible horn/
light signals. System shall be non-coded,
supervised and in accordance with ADA,
State Fire Marshal and local fire codes.
Empty conduit(s) for the main entrance of
service will be stubbed out from the main
mounting board to the property line or as
directed by the local serving telephone
company.
= 1,155KVA
900KVA
2,055KVA
2,472Amps
=
=
=
Total
Estimated load:
Phase Three load
75,000 SF @ 12VAlSF
1. All exterior area lighting will be high-pressure sodium, high efficiency HID lamps and ballasts, using cut-off type luminaries with
high impact lens.
2. Vandal resistant type fixtures will be used to supplement the area lighting where reqUired and to prevent dark areas around
building perimeters.
3. Exterior lighting control will be accomplished with digital programmable controller including astronomical dial, skip-a-day and
reserve power.
4. Average Maintained Lighting levels shall be as follows:
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SES-A (CENTRAL PLANT)
3,OOOA. 277/480V, 391, 4W
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PHASE 1 (FUTURE)
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cred its I references
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references
Glendale Community College Strategic Plan 2006-2009
Educational Specifications - Glendale Community College North, July 2005
Glendale Community College Research Services updated Mar 21, 2005
Source: IROW, Students
Glendale Community College Research Services updated Oct 5, 2005
Source: IROW, Students and Student_Sections
Master Planning Updates 1-6 (Mar 13, 2006) - Glendale Community College Bond Projects Schedule 2004-2014
Charles F. Jeffery, Dean of Institutional Planning
2005-2006 Glendale Community College General Catalog and Student Handbook
Glendale Community College North Website
www.gc.maricopa.edu/gccnorth
GCC North Planning Team Members:
Deedee Denslow, Assoc. Dean, GCC North
Alberto Sanchez, VP Student & Community Services
Charles Jeffery, Dean of Institutional Planning
AI Gonzales, Director of Facilities
Brett Garwood, Facilities Planning and Development
Connie Labuhn, Chair Fitness and Wellness
David M. Rodriguez, Librarian
Donna White, Dean of Student Life
Debra Palok, Director College Safety
Dianna Dwyer, Department Chair
Eileen Johnston, Chair Social Sciences
Eric Lodge, Chair Chemistry
John L. Sazama, AlA, Project Manager, FP&D
Kent Davis, Superintendent Deer Valley
Mary Lou Massal, Dean Enrollment
Russell Sears, Library Services
Stephen Williams, Dean of Instruction/Chair Biology
Susan Bedker, Lead Network Tech
GCC North Planning Team Members:
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Carlos Nunez-Noriega
Carmela Arnoldt
Connie Sherman
David Raffaelle
Denise Digianfilippo
Doug Desanti
F. Camou
Frank Gonzalez
Gary Bond
George Martinez
Herman Gonzalez
Jim Reed
John Grima
Joseph Bednorz
Julie Waskow
KC Hundere
Ladonna Lewis
Larry Bohlender
M Ferris
Mary Brooks
Randy Kimmens
Regis Della-Calce
Richard Shortridge
Robert Albury
Ryan Sawby
Scott Kozakiewicz
Susan Mayer
Todd Armstrong
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Construction Manager at Risk Team Members:
Merv Giles, Core Construction, Project Manager
Dan Hohulin, Core Construction, Sr. Estimator
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end a e c 0 m m u n y c 0 e 9 e n 0 r t h I ~
table of contents
a. a comfortable campus
pedestrian comfort in a hot, arid land
b-d. the unparalleled desert garden
campus identity and wayfinding
e-m. places for people
campus sites
a. variety of spaces
b. campus plazas
c. paths
d. courtyards & building entries
GCCN e. water features
f. lawns
a p p e n d x g. streetscapes and campus edges
h. entries and gateways
i. parking
j. bike storage
k. safety
I. universal access
n-q. materials for the southwest 0
design specifics 0..
a. pedestrian paving
b. comfortable site furniture
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d. other site amenities c
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I. a comfortable campus
The biggest factor that influences design in the Sonoran Desert is climate modification for human comfort. The principles of the guidelines
are further enhanced by directly making reference to the desert garden concept - a place for respite and shelter that celebrates the diversity
and unique quality of the Sonoran Desert plant palette. Of the two Glendale Community College campuses, it is the North campus that will be
the most characterized by Sonoran Desert plants in contrast to the agricultural garden feel of the central Glendale Campus. The enjoyment of
the campus will be directly related to providing human comfort of both body and spirit in outdoor environs.
Shade is precious and every opportunity to provide it is welcomed on all campus. The desert garden character of the North campus must
provide environmental respite through the creation of shade with desert trees and other plants. The provision of shade should be developed
in as many ways as possible - using desert trees, fabric awnings, building portals, living walls covered with vines, and shadows cast by
building masses to name a few.
Walkways should be developed with generous adjacent planting areas to provide tree establishment, longevity of growth, and vitality.
Emphasis should be placed on integrating groves and linear gardens of canopy trees into paved walkways, courtyards, patios, seating areas
and other gathering places. Particular emphasis is placed on providing shade at gathering areas and transitions from interior to exterior
spaces. Building entries and seating areas should be the primary focus for providing shade when new campus developments are considered.
Consider a variety of ways to incorporate shade, from trees and other vegetation to fabric awnings and entry coverings.
Include ample planting areas next to walkways and paved areas to allow for the growth of shade trees.
Pay particular attention to building entries as these are important areas that often require extra shade to make the transition from inside
to outside easier on pedestrians.
Develop building entry zones that accommodate inviting gathering, sitting and eating.
Plant trees in groves in plazas and in linear bosques along walkways.
Take advantage of microclimates created by buildings to create shaded gardens.
Investigate shade in many forms to
create comfortable gathering places.
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Native desert bajada plant palette
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II. the unparalleled desert garden
The desert wash that flows through the site is a major feature that defines the campus. The natural waterway provides a great starting point
for the creation of a lush, desert garden and its presence should be celebrated. Gathering spaces, focal points and water harvesting features
that tie in to the natural arroyo will help create a strong identity for the campus centered around its most prominent feature.
A strong campus character helps students and visitors navigate the grounds. This incorporates everything from gateway markers at
pedestrian and vehicular entries to specific plant choices that help define spaces. Glendale signature banners, lighting, markers and signs,
as well as enhanced and identifiable plantings, will emphasize the edges. Consistency of design choices across the campus will unify the
grounds through materials, paving patterns, and site amenities. The existing character and history of the campus, that of a desert garden, will
be maintained.
Follow the College's accepted styles for all signage and markers.
Place identity markers at Happy Valley Road entry for large scale focal point.
Plan smaller scale entry gateways at campus pedestrian entry points.
Locate navigational aids at all major pedestrian nodes, key intersections and campus entries.
Include unique focal points such as fountains and sculpture to celebrate mall intersections.
Design consistency in Sonoran Desert plant material on internal campus courtyards and plan mall plantings that create designed,
identifiable, unique malls.
Create consistency in hardscape materials throughout the campus for unity.
Incorporate the selected site furnishings and lighting to match the rest of the campus.
This photograph shows the dense vegetation that
occurs naturally along desert waterways.
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This map of the campus shows the landscape zones that will make up the
campus. Planting density and plant species will vary according to zone.
See the chart of plant species per zone in the plant species appendix.
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perimeter planting
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As an important natural element, the wash through the campus
must be protected. This sketch shows a delicate bridge that sits
lightly on the land and doesn't block the natural views.
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III. places for people
Open spaces on the campus take a variety of forms. In this section, the guidelines address these spaces individually and provide design
examples and sketches. In addition, there is a hierarchy of gateways, entry points, and courtyards that will influence design factors. Not only
must the form of the open space be considered, designers must also take into account the way in which users will access the space and how
they will travel through it.
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learning in the heart of nature
shaded seating with desert color
This flexible desert plaza can be used for
many types of events.
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provide plenty of comfortable space for groups to gather
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a. variety of spaces
The campus has a special quality because of the garden spaces that are interwoven throughout. Particular attention should be paid to
microclimates created by building juxtapositions and solar orientation. Include a variety of different space types to provide interesting
gathering areas and more secluded locations for quiet study.
Integrate private/surprise gardens throughout the campus.
Create shaded seating opportunities around the arroyo and jogging trail/pedestrian path.
Provide places in the courtyards and along the arroyo for groups to study together in comfort.
Provide usable lawn spaces in key campus gathering areas.
b. pedestrian plazas
At the major intersections and along the edges of pedestrian malls are enlarged paved areas we identify as plazas. Plazas serve the
purposes of providing gathering spaces for students. They are natural places for social activities and are the logical choice for amenities
like fountains and kiosks. Design considerations should include paving and lighting that allow for easy wayfinding, and site furnishings that
create comfortable spaces for gathering, resting, reading, studying, and formal assembling. Attention to placement of site furnishings, shade
and accessibility is essential for this space to function. Nodes created at the arroyo intersections can provide visual cues for wayfinding and
identity. These landmark spaces could be developed with unique bridges at every crossing.
Design of pedestrian plazas and nodes must:
Incorporate different types of seating at plazas, such as tables with chairs,
and moveable seating, to allow for many types of uses.
Address the conflicting needs of users wishing to pass through the site
uninterrupted and the desires of those coming to the plaza as a gathering
space
Integrate directional kiosks and water features appropriate to the significance
of the particular plaza.
Use matte finish non-reflective paving materials, such as 3/8" minus crushed
exposed aggregate paving or stabilized decomposed granite.
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Visitors to the Desert Botanical Garden can not miss
this prominant vehicular gateway.
c. primary &secondary paths
The pedestrian paths on campus help to move a large number of students quickly around campus. In addition, they serve as access for
emergency and service vehicles. Fire truck access to the campus without interference must be considered. As the major passageways of the
campus, paths shall be broad with ample shading and plenty of places to sit and rest. Desert canopy trees will be used at major walkways
from parking lots to create consistency and identification of these important entry points. Paving and signage will encourage universal access
and ease of wayfinding. Amenities shall be matched and grouped together in the formation of "outdoor rooms" to delineate and organize the
space without prohibiting movement. When designing pedestrian paths:
Refer to the tree species plan for designated tree varieties.
Gather benches, lighting, signage and other site amenities to make them easily accessible without disrupting pedestrian traffic flows.
Provide shaded seating at regular intervals
Refer to the Paving section of the guidelines for information on materials and paving patterns in pedestrian paths.
Use consistent matte finish paving for paths, such as exposed aggregate 3/8" minus concrete or acid etched integral color concrete, to
reduce glare.
d. vehicular gateways
Campus gateways are very important to visitors and motorists as visual indicators that they are entering the campus. These thresholds to
the campus shall be emphasized with unique markers/lighting features and a continuation of the eXisting low, simple sign walls that mark the
campus corners and vehicular entries. Sculptural desert trees will mark the transition from city street to campus. Special paVing will indicate
the entry points and plant massing will speak of the desert garden oasis.
Place campus markers and sign monuments at vehicular entry points.
Use sculptural desert trees to provide shade and provide a formal recognition of the campus threshold.
Incorporate mass plantings of colorful desert accents to have a big impact on visitors passing through in a vehicle.
Begin banners at furthermost points to lead in to campus.
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e. pedestrian portals
Pedestrian portals into campus from the parking lots should be shaded, attractive and welcoming. Because of the proximity of residential
development to the east, south and west of the campus, the importance of the pedestrian entry points at these perimeter areas will grow
as the campus grows and attracts more students from adjacent neighborhoods. Plant material at these entry locations should be low and
colorful to entice visitors and emphasize the desert garden of the campus. Glendale Community College North's signature markers will help
demarcate the campus entries.
When designing pedestrian portals:
Position markers at major pedestrian portals to create strong gateways.
Provide shaded seating.
Refer to the plant lists in the appendix for colorful, desert-adapted plant choices.
If required, gather newspaper racks in an organized system to eliminate clutter at these important entries.
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The creation of the pedestrian environments on these edges will be a critical step in enhancing the campus. This will need to be closely
coordinated with the City of Glendale. The goal for modification of the campus edge is to create an environment of tree-shaded detached
sidewalks, comfortable seating opportunities, and pedestrian safety in the beauty of the Sonoran Desert.
The detached pedestrian walks shall be separated from the travel lanes by a continuous planting bed along the curb edge. The planting bed
must be sufficient in width to provide a viable medium for robust tree growth and longevity. Low, colorful plantings will entice visitors without
impairing visual access to traffic and lush shrubs emphasize the desert garden character.
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Street trees in wide planters provide plenty of shade
over this detached sidewalk, making pedestrians feel
Designate detached sidewalks and allow more comfortable and removed from the path of traffic.
for wide planters between sidewalks and
traffic lanes. Minimum 8' wide planters II
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should be incorporated to encourage 11 ~H
large, healthy trees. -x '1
Provide for colorful, lush plantings that will ..t
not interfere with traffic visibility. ~
Incorporate the campus signature banners
and lighting to identify the edges.
1. campus edges/streetscape
Although the existing campus maintains its desert feel, the City of Glendale will grow in density in the area around the campus. The campus
boundaries and streetscapes will act as the face of the campus to the larger community. The presentation of the campus along these
streetscapes is very important to its identity as a special place in the fabric of Glendale. The image and character presented should be
inviting and physically and visually accessible. I
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g. bike lanes and bike storage
The major design considerations for bike lanes are safety and climate modification. Bike storage areas of varying size should be located
around the campus. While key locations outside of prominent buildings should have large areas for storage of 30-40 bikes, smaller racks
for 10-15 bikes can be located throughout the campus. They should be convenient to bike paths and located close to building entrances.
They will be well-lit and designed with appropriate screening, such as planting or green fencing, that helps blend them into the surrounding
landscape without compromising the safety of users when locking up their bikes.
Use low plantings around bike storage areas to blend them into the surroundings without blocking visual access.
Incorporate lighting to illuminate bike storage racks.
Position bike storage racks as close as possible to building entries.
h. courtyards/building entries/mall nodes
These are the spaces between the pedestrian path edges and the entries to campus bUildings. They are crucial to the success of the existing
and new development on campus because it is also in these spaces that students and professors gather, meet and socialize more informally
before and after classes. Building courtyards, entries and patios act as transitional spaces between the heat of the exterior and the cool
interiors of buildings. They also serve to blur the hard lines between indoors and out, and provide spaces that can be used year-round in the
desert. As courtyards and building entries are often shaded, they are ideal places for specimen plants that thrive in the microclimates created
by the buildings. Comfortable seating and trash receptacles are other elements that add to these outdoor rooms. Incorporating paving that
indicates the significance of the building's entrance.
Design planting plans that emphasize the building's entrance.
Consider using unique specimen plantings in appropriate entry locations.
Augment the building's shade with trees or vegetative screening as needed
Position trash and ash receptacles close to building entrances.
Include ample seating in the form of benches and seat walls.
Design paving that leads visitors to building entrances.
Light, unobtrusive bike rack that fits seemlessly
into the overall design of the plaza.
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rainwater harvesting garden
runnels convey storm water to a pond
an elegent, brimming fountain irrigation seep as an ephemeral water feature
i. water features
As in any desert, water is precious and should not be used carelessly. However the psychological cooling that water features provide is
important. Water's soothing effect is needed on campus and it is recommended that water be present at major gathering areas, where the
masses can enjoy it. Small gathering areas, courtyards and outdoor rooms are also excellent places for well-designed fountains. All fountain
mechanical systems must include high quality pumps and filters. These systems shall be designed by fountain mechanical engineers.
The designer is encouraged to be creative when designing water features for the Sonoran desert. As a progressive learning facility, the
Glendale Community College North campus has a special opportunity to provide a living-laboratory of using waste water such as storm
water and condensate in the urban landscape. There are a variety of sustainable water feature systems that can be developed on campus
in addition to the traditional methods of using potable water for fountains. These include harvesting and reuse of storm water runoff, HVAC
condensate, gray-water recycling and other resources. These resources can then be used in fountains and water features that not only
provide enhancements of visual quality, sound quality, and cooling but create demonstration gardens that scrub the water of impurities,
augment the landscape irrigation systems, and potentially recharge the local water table.
Locate fountains at important campus locations where they will have the biggest impact.
Use water features in courtyards and outdoor rooms where appropriate to create cooling
microclimates for protected gathering spaces.
Incorporate sustainable practices into water feature design by considering rainwater
harvesting and reuse, collection of air conditioner
condensate and gray-water recycling.
Consider small or subdued, brimming fountains to provide a cooling, soothing effect while
minimizing evaporation.
Use high quality pumps and filters.
Celebrate the path of stormwater as it traverses the campus with special paving and
grading for runnels and swales that hold and carry the water.
j. lawns
As the Glendale Community College North Campus is developed, central lawns in key spots will help create a lush character for the college
setting. However, the predominant character of this campus is a desert oasis, so turf should not be the prevailing groundcover. Aside from the
key campus gathering spots, lawns should be minimized in favor of desert-adapted xeric vegetation. Judicious use of lawn areas will provide
students with a cool, green place to relax and gather with friends. These areas should be kept relatively open, allowing for visual enjoyment
as well as recreational and gathering space.
Locate trees around the perimeter of lawn areas to allow maximum usable space for events, gatherings and recreation.
Provide benches and seatwalls at lawn edges to take advantage of shade for seating.
Avoid breaking up lawn areas with paving and numerous walkways.
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permeable paving
stormwater filtration in desert planters
large planters encourage healthy shade trees
This parking lot features permeable paving stalls, large planters for healthy tree growth, and
grading that directs stormwater to bio swales.
k. parking
As with any college campus, surface parking on the Glendale Community College North campus will take up a good percentage of land.
Thoughtful, intelligent design can help parking lots become attractive, efficient spaces instead of the large expanses of heat and glare.
Shade trees will help to reduce the heat island and keep cars cooler, making them more comfortable for drivers as well as reducing the
amount of harmful VOCs (Volatile Organic Compounds) they emit. Lush desert vegetation will help blend the parking areas into the
landscape, and the use of slightly sunken planted islands can harvest storm water runoff for filtration and cleansing before it returns to
underground aquifers. Permeable paving softens the visual impact of parking lots and encourages better drainage, aquifer recharge and
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I This is not an all-inclusive list. Prior to designing and planning more technical information and detail should be acquired from the City of
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I. safety
College campuses should always exhibit and ensure a safe and comfortable environment for all throughout the 24-hour day. In order to
promote this goal, it is recommended that all developments on campus follow the rules and guidelines set forth in the Crime Prevention
Through Environmental Design (CPTED) guidelines. CPTED guidelines follow the principle that "The proper design and effective use of
the built environment can lead to a reduction in the fear and incidence of crime, and an improvement of the quality of life." Designers and
planners may reference the international CPTED organized website at http://www.cpted.net.
The three relevant overlapping CPTED strategies are as follows:
Natural Surveillance
This design concept is directed primarily at keeping intruders easily observable and is promoted by features that maximize visibility of people,
parking areas and building entrances: doors and windows that look out on to streets and parking areas; pedestrian friendly sidewalks and
streets; adequate nighttime lighting.
Territorial Reinforcement
Physical design can create or extend a sphere of influence. Users then develop a sense of territorial control while potential offenders,
perceiving this control, are discouraged. This is promoted by features that define property lines and distinguish private spaces from public
spaces using landscape plantings, pavement designs, gateway treatments, and 'CPTED" fences.
Natural Access Control
This design concept directed primarily at decreasing crime opportunity by denying access to crime targets and creating in offenders a
perception of risk. Gained by designing streets, sidewalks, building entrances and neighborhood gateways to clearly indicate public routes
and discouraging access to private areas with structural elements.
In addition to CPTED guidelines, designers must also consider designing for access of emergency vehicles. This is a critical factor that
must be successful at every level. The Glendale Community College North campus has its fire protection provided by the City of Glendale,
therefore the campus and all of its susceptible areas must be accessible by Glendale's fire and emergency vehicles. The basic criteria for
emergency and fire truck use on campus are as follows:
Incorporate a minimum 20' wide path on all malls to allow for emergency access.
Do not locate objects in the mall that would conflict with a fire truck's 25' inner turning radius and 50' outer turning radius or impede their
ability to turn from one mall onto another.
Provide space for fire trucks to get within 150' of a building.
Allow fire truck access to at least 3 sides of building, or all 4 sides if there is an entrance on all sides.
Provide ample space for fire trucks to continue through without having to reverse if the access path to a building entry is more than 150'.
Design vehicle paths that can support the required 55,000 Ib load.
Where possible use alternative paving in interesting combinations to reduce the visual impact of large paving expanses.
This firelane incorporates an attractive paving
pattern combination of inlaid stone,
stabilized granite and concrete.
A camera surveillance plan can be
implemented for added campus safety.
The surveillance plan would indicate the
locations of security cameras and the
projected surveillance radius of those
cameras. The security cameras can also
be remotely controlled to pan, tilt, zoom
and rotate; have day and night vision
capabilities, and wireless technologies.
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All new and renovated constructions are required by law to adhere to the standards set forth in the Americans with Disabilities Act (As
published in the Title III regulations (28 CFR Part 36, revised July 1, 1994) issued by the Department of Justice. The ADA Standards for
Accessible Design). I Projects on the Glendale Community College North campus will require more stringent standards than those established by ADA. The
standards proposed ensure universal accessibility to all users of all areas of the campus and are as follows:
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Ensure that all points of development for active exterior use are universally accessible (e.g., lawns, quads, walks, ramps, courtyards,
patios, malls and entry ways)
Ensure that sloped walks shall not exceed 5% and may not maintain a continuous slope for more than 30' (thirty linear feet) without
providing a 60" x 60" min. landing interval. The landing area may not exceed 1% slope in any direction.
Avoid creating slopes greater that 2% on any walkway, ramp, or inclined access.
Place a minimum 5 foot landing for every 30' of run on all sloped entry ramps 5% or greater.
Include handrails that meet the requirements of the ADA on all ramps.
Reduce use of overly coarse, textured paving surfaces.
Design stairs that have a uniform and comfortable riser to tread relationship.
Incorporate tactile paving and audible crosswalk signals at all pedestrian street interfaces.
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The pedestrian malls on the Glendale Community College North campus which provide principal access for students, faculty and staff must
include methods to guide visually impaired users. Walks that feature a textured band on the edges provide a warning signal that can be felt
and heard by the walking canes of the visually impaired. Designers must take care to standardize the use of this tactile warning system and
not it get lost in other paving patterns.
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a desert plaza softened by the look of E
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IV. materials for the southwest
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a. pedestrian paving
Primary, secondary and tertiary walkways can be distinguished with cost effective, non-reflective paving materials that are matched
with aesthetically pleasing accents. Designers should consider a variety of alternatives in both pattern and finish, and make a special
consideration to define a consistent surface treatment that provides a detectable surface for the visually impaired.
As the Glendale Community College North campus grows, a wide variety of materials, colors and finishes will likely be proposed for future
campus development. In the Arizona sun, one of the most important aspects to consider is the reflective quality of the paving surfaces. Glare
from highly reflective pavements is uncomfortable and distracting. Surface finishes for concrete pavements should be matte finishes such as
sandblasted, acid-etched, broom-finished, or exposed aggregate. All of these methods will reduce the reflectivity of the material, regardless
of color.
The concept for using an aggregate edge treatment is sound, but its execution must be standardized and limited. These are described in
the alternatives illustrated. An alternative method for treating the edge of pavement condition may include use of a raised curbing along the
outside edge of the pavement. If the curb alternative is used, regularly placed scuppers or weep apertures
should be located in the curbing to allow storm water runoff from the walkways to be diverted to adjacent
landscape planting areas. Also it may be advantageous to use a field of the smaller 3/8" exposed aggregate
material with smooth, light sandblasting on the edges as a contrast to reduce the immense glare from
smooth concrete.
Incorporate surface finishes to reduce the glare from reflective, smooth paving.
Design patterns that do not conflict with the pavement edge warning.
Choose light integral color paving over darker colors to reduce heat absorption.
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The paved surfaces on campus will have
a hierarchy of materials and styles.
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b. comfortable site furniture
Designers must take great care when selecting site furniture (seating, benches, tables, trash receptacles, etc.) for environments in the desert
southwest. Not only is the intense heat and radiation from the sun hard on people, it also affects materials and their longevity. Human comfort
is also of the utmost importance as no one wants to sit on an overheated metal bench in the summer. In addition, a large volume of users can
be destructive to the materials and elements selected through skate boarding, skating, biking, and general abuse. Site furniture should be
attractive and designed to blend into the landscape. The furniture that has been selected is light, airy and visually simple. Gathering spaces
on campus include a variety of seating options including shaded tables with moveable chairs so that users can make themselves comfortable
for eating, studying, or visiting with friends.
A series of coordinated pieces of like materials is provide here to help unify the campus. The elements have been selected for their proven
durability, sustainable use of materials and relative simplicity, which lessens the probability that the style becomes outdated. These same
principles should be taken into consideration when identifying site elements not found in these guidelines.
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tables from Landscape Forms This bench from Escofet creates ample
seating at a central gathering area.
attractive benches from Landscape Forms
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d. other site amenities
Other pieces chosen for the campus should be clean, modern and exciting. When exact models are not specified, keep to the character
described in these guidelines.
c. lighting
The selection of site lighting must address safety and follow a consistent and logical family of fixtures, materials and aesthetics. While lighting
must be bright enough to be effective, the use of soft, downlighting is encouraged to reduce light pollution. Fixtures must be shielded to meet
the standards of Dark Sky ordinances.
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low voltage landscape lighting
Largent fixture from Architectural
Area Lighting
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e. planting
The plant palette for the desert garden theme of this campus includes a variety of colorful, interesting and attractive choices. The location in
Glendale, Arizona is the perfect setting for a university campus showcasing the beauty of desert-adapted plants. The plant palette is made
up of predominantly Sonoran Desert natives, but supplemented by additional drought-tolerant, low water use varieties. See the plant list for
acceptable plant species.
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v. sustainability in the desert
Glendale Community College North is a unique learning environment, providing a virtual urban design laboratory within its campus. One of
the wonderful opportunities available in this setting is the development of sustainable measures for large institutions in arid landscapes. The
landscape development guidelines include working models for rainwater harvesting on the campus. These models should investigate both
low-tech and innovative methods, such as storm water reuse, gray-water recycling and collection of air conditioner condensate for water
features and irrigation systems. Designers can incorporate simple plans such as manipulating paved surfaces to direct runoff to planters or
more elaborate ideas that involve collaborating with a design team to plan for a condensate collection system on new building construction.
In addition, the implementation of proven practices to encourage vigorous tree growth by providing ample planter space is another way in
which the campus can strive to be sustainable. Techniques that support healthy tree growth and long life spans help to improve air quality
and environmental quality for pedestrians. As a learning institution, the College has a unique opportunity to model best practices and
showcase sustainable design.
Therefore:
Incorporate techniques for water harvesting, such as collecting condensate from HVAC systems, reusing rainwater runoff, and recycling
gray-water.
Specify low water use plants. Refer to the list of plant species in these guidelines.
Specify low maintenance plants. Allow room on planting plans for plants to reach their mature size without extensive pruning.
Use irrigation techniques known to save water, such as installing drip irrigation systems and watering in the early morning.
Practice/develop techniques for improved tree growth with the use tree planting trenches near hardscape elements.
Direct water runoff towards trees and planting beds.
Use furnishings that have recycled and post-consumer recyclable materials.
Investigate many applications of permeable paving.
Locate shade trees to block the sun and provide natural cooling for buildings.
Specify long-lived trees.
Incorporate ample shade in parking lots to shade cars thereby reducing VOC emissions that contribute to poor air quality.
Specify material from local sources.
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permeable paving
natural retention basin
low-water-use plants
wall made of recycled concrete from a sidewalk on site
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proposed plant list
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Landscape Zone
Trees Bloom Bloom Native Enhanced Arroyo Enclosed Perimeter Parking
Color Season Arroyo Desert Gathering Courts Planting Lot/Ret
Acacia smallii Sweet Acacia Yellow Spring x x x x
Acacia willardiana Palo Blanco White Spring x x x
Celtis reticulata Canyon Hackberry Green, Insignifi- x x x x
cant
Chilopsis Iinearis 'Lucretia Hamilton' Desert Willow Pink Spring/Fall x x x x x x
Parkinsonia microphyllum Foothills Palo Verde Yellow Spring x x x x x x
Parkinsonia floridum Blue Palo Verde Yellow Spring x x x x x x
Parkinsonia praecox Palo Brea Yellow Spring x x x x x
Olneya tesota Ironwood Lavender Spring x x x x x x
Parkinsonia 'Desert Museum' Hybrid Palo Verde Yellow Spring x x x x
Pithecellobium flexicaule Texas Ebony Creamy Yellow Spring - early Summer x x x
Prosopis alba Argentine Mesquite Yellow Spring x x x x x
Prosopis chilensis Chilean Mesquite Yellow Spring x x x x x
Prosopis phoenix Phoenix Mesquite Yellow Spring x x x x x
Prosopis velutina Uuliflora) Native Mesquite Yellow Spring x x x x x x
Sophora secundiflora Texas Mountain Laurel Purple Spring x x x x
Shrubs Bloom Bloom Native Enhanced Arroyo Enclosed Perimeter Parking
Color Season Arroyo Desert Gathering Courts Planting Lot/Ret
Ambrosia deltoidea BursagelTriangle Leaf Bur- insignificant x x x x x
sage
Atriplex lentiformis Quail Bush Green Winter-Spring x x x x
Bauhinia lunarioides Chihuahuan Orchid Shrub White or Pink Spring-Summer x x x
Bauhinia macranthera Chihuahuan Orchid Tree Pink Spring x x x
Buddleia marrubifolia Wooly Butterfly Bush Orange Spring & Summer x x x
Caesalpinia gilliesii Mexican Bird of Paradise Lemon Yellow Sprinq-Fall x x x x
Caesalpinia mexicana Yellow Bird of Paradise Bright Yellow Spring-Fall x x x
Caesalpinia pulcherrima Red Bird of Paradise Orange-Red Summer x x x
Calliandra californica Red Fairy Duster Red Spring-Fall x x x x x
Calliandra eriophylla Pink Fairy Duster Pink Spring & Fall x x x x x x
Celtis pallida Desert Hackberry insignificant x x x x
Chrysactinia mexicana Damianita Bight Yellow Fall & Spring x x x x x
Cordia parvifolia Littleleaf Olive White Spring-Fall x x x x
Cordia boissieri Texas Olive White Spring-Fall x x
Dalea frutescens 'Sierra Negra' Black Dalea Purple Fall x x x x x
Dalea pulchra Indigo Bush Violet Winter & Spring x x x x
Dodonaea viscosa Hopbush Yellow Feb-Oct x x x x x
Encelia farinosa Brittlebush Bright Yellow Spring & Summer x x x x x x
Mature
Height Litter (High, Medium,Low)
25' High, flowers, leaves, seed pods
20' Medium, leaves, seed pods
25' Medium, deciduous
25' Medium, leaves, seed pods
20' Medium, leaves, flowers, seed pods
30' Medium, leaves, flowers, seed pods
30' Medium, leaves, flowers, seed pods
30' Medium, leaves, flowers, seed pods
25' Medium, leaves, flowers, seed pods
25' Medium, leaves, flowers, seed pods
30' Medium, leaves, flowers, seed pods
30' Medium, leaves, flowers, seed pods
30' Medium, leaves, flowers, seed pods
25' Medium, leaves, flowers, seed pods
15' Low, leaves, seed pods
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Shrubs (cont.) Bloom Bloom Native Enhanced Arroyo Enclosed Perimeter Parking
Color Season Arroyo Desert Gathering Courts Planting Lot/Ret
Ericameria laricifolia Turpentine Bush Yellow Fall x x x x x
Eriogonum spp. Buckwheat spp. White to Pink Summer-Early Fall x x x x x
Justicia californica Chuparosa Red Spring & Fall x x x x x x
Justicia candicans Red Mexican Honeysuckle Bright Red-Or- Spring & Fall x x x x
ange
Justicia spicigera Mexican Honeysuckle Orange Nearly All Year x x x x
Larrea tridentata Creosote Bush Yellow Spring x x x x x x
Leucophyllum laevigatum Chihuahuan Sage Lavender Intermittant Spring x x x x x
& Fall
Leucophyllum pruinosum Sierra Bouquet TM Purple Late Spring - Early x x x x x
Fall
Leucophyllum spp. Texas Sage spp. Varies Varies x x x x x
Lycium fremontii Wolfberry White Spring x x x x x
Plumbago scandens Summer Snow White Spring-Fall x x
Psilostrophe cooperi PaperfJower Yellow Late Spring - Early x x x x x x
Fall
Ruellia brittonia Barrio Ruellia Dark Purple Summer x x x x x
Ruellia peninsularis Baja Ruellia Dk Purple-Blue Spring & Early Sum- x x x x x
mer
Salvia chamaedryoides Sage Blue Spring & Early Fall x x
Salvia clevelandii Chaparral Sage Blue-Violet Spring-Summer x x x x
Salvia coccinea Scarlet Sage Red Spring & Fall x x
Salvia greggii 'Sierra Linda' TM Autumn Sage Fuschia Intermittant all year x x x x
Salvia leucantha Mexican Bush Sage Purple Summer& Fall x x x
Sambucus mexicana Mexican Elderberry insignificant x x x
Simmondsia chinensis Jojoba insignificant x x x x x x
Stachys coccinea Texas Betony Red Spring-Summer x x x
Tagetes lemmoni Mt. Lemon Marigold Yellow Fall x x x x x
Tecoma stans 'Orange Jubilee'TM Orange Tecoma Stans Orange-Red Summer x x x x
Tecoma stans 'Gold Star' Yellow Tecoma Stans Yellow Spring-Fall x x x x
Trixis californica Trixis Yellow Feb-Oct x x x x x x
Vigueria deltoidea Goldeneye Yellow Spring & Fall x x x x x x
Grasses Bloom Bloom Native Enhanced Arroyo Enclosed Perimeter Parking
Color Season Arroyo Desert Gathering Courts Planting Lot/Ret
Bouteloua curtipendula Sideoats Grama x x x
Bouteloua gracilis Blue Grama x x x
Muhlenbergia spp. x x x x x
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Accents Bloom Bloom Native Enhanced Arroyo Enclosed Perimeter Parkin!)
Color Season Arroyo Desert Gathering Courts Planting Lot/Ret
Agave spp. Agave Varies varies x x x x x
Aloe spp. Aloe Varies Early Fall-Late Spring x x x
Asclepias subulata Desert Milkweed Spring Pale Yellow x x x x x
Bulbine frutescens Yellow Bulbine Yellow Fall-Spring x x
Carnegiea gigantea Saguaro White Late Spring x x x x x x
Cereus spp Varies varies x x x x x
Dasylirion longissimum Grass Tree Late Spring Intermittant Stalk x x x x x
Dasylirion wheeleri Desert Spoon Late Spring Intermittant Stalk x x x x x
Echinocereus engelmannii Hedgehog Cactus Pink Late Spring x x x x x
Euphorbia antisyphilletica Candellia White-light pink Spring x x x x
Euphorbia biglandulosa Gopher Plant Chartreuse Yellow Spring x x x x x
Ferocactus wislizenii Native Barrel Cactus Yellow Spring x x x x x x
Fouquieria splendens Ocotillo Orange Spring x x x x x x
Hesperaloe parvifiora Hesperaloe Coral Red May-September x x x x x
Hesperaloe funifera Giant Hesperaloe Cream Summer x x x x x
Nolina spp. Beargrass Greenish Summer x x x x x x
Opuntia englemannii Engelmann's Prickly Pear Yellow Spring x x x x x x
Opuntia bigelovii Teddy Bear Cholla Yellow Spring x x x
Pedilanthus macrocarpus Slipper Plant Orange Red Fall & Spring x x x
Stenocereus thurberi Organ Pipe Cactus Pink Late Spring x x x x
Yucca spp. Yucca White Late Spring x x x x x
Vines Bloom Bloom Native Enhanced Arroyo Enclosed Perimeter Parking
Time Season Arroyo Desert Gathering Courts Planting Lot/Ret
Antigonon leptopus Queen's Wreath Vine Red Late Summer x x x
Mascagnia macroptera Yellow Orchid Vine Yellow Summer x x x
Mascagnia liIiceana Purple Orchid Vine Pale Purple Summer x x x
Clematis drummondii Native Clematis White March-September x x x x
Parthenocissus quinquifolia Virginia Creeper insignificant x x
Podranea ricasoliana Podranea Pink Late Summer x x x
Perennials & Bloom Bloom Native Enhanced Arroyo Enclosed Perimeter Parking
Groundcovers Time Season Arroyo Desert Gathering Courts Planting Lot/Ret
Baileya multiradiata Desert Marigold Yellow Intermettiant Spring- x x x x x x
Fall
Dyssodia acerosa Shrubby Dogweed Yellow Spring x x x x x x
Dyssodia pentachaeta Golden Fleece Yellow Spring x x x x x x
Lantana 'New Gold' Bright Gold x x x x
Lantana montevidensis 'Purple Trail- Purple Trailing Lavender Summer x x x x
ing'
Sphaeralcea ambigua Globemallow orange, pink,white Spring-Fall x x x x x x
Verbena gooddingii Sandpaper Verbena Pale Purple Spring x x x x x x
Verbena pulchella Moss Verebena Purple Spring x x x x
Zephryanthes candida White Rain Lily White Early Fall x x
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