HomeMy WebLinkAbout05/19/1993CITY COUNCIL
AGENDA
Mayor — Gary G. Miller
Mayor Pro Tem — Phyllis E. Papen
Councilman — John A. Forbing
Councilman — Gary H. Werner
Councilman — Dexter D. MacBride
City Council Chambers
are located at:
South CoastAir QualityWnaggwwt DiisirktAuditodum
21865 East Copley Drive
son
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T.0(0
CALL TO ORDER: � p.m.
PLEDGE OF ALLEGIANCE: MAYOR MILLER
ROLL CALL: Councilmen MacBride, Forbing,
Werer, Mayor Pro Tem Papen, Mayor Miller
N! QI — -7
PUBLIC HEARING:
2.1 ADOPTION OF GENERAL PLAN: The General Plan is a
statement of goals, policies and implementing programs to
guide the long-range physical development of the City. The
Plan is required by State Law and determines the size, form
and character of the City over the next twenty years. It is
the most significant tool utilized by the community to ensure
a balanced, comfortable environment in which to live and work.
It represents the community's view of its future and serves as
the "blueprint" to define the long term character of the City.
In March of 1993 the City Council authorized the retention of
a consultant team to further develop the Draft General Plan.
Five community workshops have been conducted with residents to
identify key planning issues and discuss potential General
Plan policy options. The results have been summarized and
forwarded to the Council for consideration.
Recommended Action: It is recommended that the City Council
open the Public Hearing, receive presentation from the General
Plan consultant team, receive public testimony, forward
comments to City staff and continue the Public Hearing to May
26, 1993.
ANNOUNCEMENTS:
ADJOURNMENT:
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o io : 57:5
CITY OF DIAMOND BAR
AGENDA REPORT
AGENDA NO.
TO: Terrence L. Belanger, City Manager
MEETING DATE: May 19, 1993 . REPORT DATE: May 14, 1993
FROM: James DeStefano, Community Development Director
TITLE: Adoption of the General Plan
SUMMARY: The General Plan is a statement of goals, policies and implementing programs to guide the long range
physical development of the City. The Plan is required by State Law and determines the size, form and character
of the City over the next twenty years. It is the most significant tool utilized by the community to ensure a balanced,
comfortable environment in which to live and work. It represents the community's view of its future and serves as
the "blueprint" to define the long term character of the City. In March of 1993 the City Council authorized the
retention of a consultant team to further develop the Draft General Plan. Five community workshops have been
conducted with residents to identify key planning issues and discuss potential General Plan policy options. The
results have been summarized and forwarded to the Council for consideration.
RECOMMENDATION: It is recommended that the City Council begin the public hearing process on the adoption
of the General Plan, receive a presentation from the General Plan consultant team, receive public testimony, forward
comments to City Staff, and continue the public hearing to May 26, 1993.
ATTACHMENTS: Staff Report
Other
EXTERNAL DISTRIBUTION: Library
SUBMITTAL CHECKLIST:
1. Has the resolution, ordinance or agreement been reviewed _ Yes X No
by the City Attorney?
2. Does the report require a majority or 4/5 vote? MAJORITY
3. Has environmental impact been assessed? _ Yes X No
4. Has the report been reviewed by a Commission? _ Yes X No
Which Commission?
5. Are other departments affected by the report? X Yes _ No
Report discussed with the following affected departments:
REVIE D BY:
Te ence L. ger
City Manager
J&fies DeStefano
Community Develo ment Director
CITY COUNCIL REPORT
AGENDA NO.
MEETING DATE: May 19, 1993
TO: Honorable Mayor and Members of the City Council
FROM: Terrence L. Belanger, City Manager
SUBJECT: Adoption of the General Plan
ISSUE STATEMENT: May 19, 1993, begins the first of several public hearings
to review and consider adoption of the Diamond Bar General Plan. The General
Plan is a statement of goals, policies and implementing programs to guide the
long range physical development of the City. The Plan is required by State
Law and determines the size, form and character of the City over the next
twenty years. It is the most significant tool utilized by the community to
ensure a balanced, comfortable environment in which to live and work. It
represents the community's view of its future and serves as the "blueprint"
to define the long term character of the City.
In March of 1993 the City Council authorized the retention of a consultant
team to further develop the General Plan. Five community workshops have been
conducted with residents to identify key planning issues and discuss
potential General Plan policy options. The results have been summarized and
forwarded to the Council for consideration.
RECOMMENDATION: It is recommended that the City Council begin the public
hearing process on the adoption of the General Plan, receive a presentation
from the General Plan consultant team, receive public testimony, forward
comments to City Staff, and continue the public hearing to May 26, 1993.
BACKGROUND: Upon Incorporation one of the many responsibilities a new City
has is to develop a General Plan. Required by State Law, the General Plan is
a statement of goals, policies and programs that guide the long range
physical development of the City. The Plan determines the size, form and
character of the City and its population in both the near and distant future.
It sets forth the community's priorities on a myriad of issues, including
land use, transportation, housing, open space, conservation, noise and
safety.
State Law requires that each City prepare and adopt a "comprehensive, long
term General Plan for the physical development" of the community. This
General Plan must cover all incorporated territory and should go beyond the
City limits to include "any land outside its boundaries which bears relation
to its planning"- Government Code 65300. The General Plan before the Council
incorporates the seven mandatory elements State Law requires within a General
Plan. Each element addresses a particular area of planning.
1
The development of the General Plan began in late 1989 with the creation of
the City Council appointed General Plan Advisory Committee (GPAC). GPAC
shared its proposal with the Planning Commission in early 1992. Additional
input was provided to the Planning Commission by the Parks and Recreation
Commission, and the Traffic and Transportation Commission. The Planning
Commission held several public hearings and forwarded a General Plan for City
Council consideration. The Council, at the conclusion of a lengthy public
hearing process, adopted a General Plan on July 14, 1992.
A resident's group successfully petitioned the Council through the referendum
process, to reconsider the General Plan adoption. As a result, the Council
rescinded its prior resolution, which the adopted the General Plan, in March
of 1993 and directed the preparation of a workshop and public hearing process
to revise the General Plan document dated July 14, 1992.
The Draft General Plan, crafted after a three and a half year public process,
serves as the foundation for the adoption process.
PUBLIC WORKSHOPS:
Five community workshops have been conducted over the last few weeks with
Diamond Bar residents to identify key planning issues and discuss potential
General Plan policy options. A public participation program was utilized in
order for the, public workshops to be as productive as possible. An extensive
outreach program was initiated which included a display ad published in the
San Gabriel Valley Tribune, the Inland Valley Daily Bulletin, the Diamond Bar
and Walnut Highlander newspapers and the Windmill. Display posters were
permitted to be affixed to the front windows of over one hundred businesses
within the community. Notices were provided to every interested person or
organization appearing on our General Plan mailing list. A second display ad
was published in order to identify the fifth workshop and the revised public
hearing schedule. The City caused to publish approximately 40,000 copies of
each display ad in order to encourage public participation. Finally, a
public service announcement was aired over various cable television stations
promoting the workshops. Round I and II workshops identified the amount and
type of future development, open space preservation, reduction of traffic
congestion and the Tonner Canyon transportation corridor as the key planning
issues.
Potential General Plan policy options were discussed in the Round III
workshop, wherein several General Plan policy direction statements were
presented and discussed by residents. Attached to this report are summaries
of the workshop discussions. As a result of this series of workshops, public
hearings are being utilized to suggest revisions to the document, dated July
14, 1992, which serves as the Draft General Plan.
PUBLIC HEARING NOTIFICATION:
Public hearing notices were published within the San Gabriel Valley Tribune
and Inland Valley Daily Bulletin in accordance with State Law. In addition,
public notices were published within the Diamond Bar and Walnut Highlander,
and the Windmill. Posters announcing the General Plan workshop and public
hearing process have been circulated within the community. All General Plan
documents have been available for review at the workshops and City Hall.
2
PUBLIC SEARING PROGRAM:
The Staff and consultant team suggest that the May 19, 1993, Public Hearing
focus on the key planning areas (as a result of the workshop process)
identified within the attached memorandum. The General Plan consultants will
present an overview of the workshop process prior to review suggested
revisions.
PREPARED BY:
James DeStefano
Community Development Director
ATTACHMENTS:
1. Memorandum from Cotton/Beland/Associates dated 5/14/93
2. Preliminary Draft Revisions to the General Plan dated 5/7/93
3. Preliminary Summary of Round I Community Workshop Results
4. Preliminary Summary of Round II Community Workshop Results
5. Letter from William Gross dated Tuesday, May 4, 1993
6. Revised Land Use Goals, Objectives, Implementation Strategies
Gary Neely dated May 4, 1993
7. Memo to Mayor Gary Miller and City Council from Lydia Plunk
5/12/93
8. Letter from Max Maxwell received 5/12/93
9. Letter from Tom Van Winkle received 5/12/93
10. Letter from Don Schad received 5/12/93 re: Tree Ordinance
11. Comments from Todd Chavers received 5/12/93
12. Comments received anonymously at 5/12/93 workshop
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4.XZVMN TO "LAND USE", PAGE 14:
presently provides a number of 'short cuts' for rcgkwdv*;nuters
during' of freeway congestion. The City may choose to , condeft1w,
a;b:so!r*bIgJh traffic, and depend on other apneim sub as ft SIPWsw bike
appropriate measures to relieve regional conpstion which would vbimal* fn*,
up local roads for prr. aptly local use Hbwmr, the hr's v1sim at mai is
to reserve most of its streets for local traffir, mW it Amid qVlore the -
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6. REVISION TO "LAND USE", PAGE I-12: -
Strate.4.: "Encourage the rehabilitation, refurbishmtnl, amts f O CVOSM
of exis 'tis that generate sales tax revenue to the Cilyrdxahw,� with
other provisions of the - General Plan and Development Evade'
Encourage the r+et 't.
businesses that pwate sdkt tm mvema to tic Cfty, other
provisions of the Gen+ rd Pmt wW Development CAda
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9. REVISION TO 'CIRCULATION", PAGE V-15.-
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"Fu nt in Diamond Bar: The levels of devebmt would
be pe a under the proposed General Plan would result in on tcj►
6,235 dwelling units, 918,000 square feat of commOtbl 00 and
887,387 square feet of office and busiam park um :,,- se 044"d,
additional development offem uitW wi n As Chy, m -r ne
increased in traffic. E i w lin .. l to xease
from 348,632 average daily trspn j&_toi`,1�4,e daily tri Ah 2010.
This represents an increase of 33 pevcsa"
'Future Development in Dkv
permitted urudr the GWW
dwelling unity
Comments:
M IAMISION TO "CIRCULATION", PAGE V-21:
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City of Diamond Bar
General Plan Revision
Preliminary Summary of Round I Community Workshop
Results
A summary of comments received during Community Workshops - Round I held
April 21. and 24, 1993 as part of the City of Diamond Bar's General Plan Revision
process.
Prepared by
Moore lacofano Goltsman, Inc.
Berkeley/Los Angeles, CA
and
Cotton Beland Associates
Pasadena, CA
April 1993
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Pralmnary Summary of ;.ommun ry 60(nnops - I
I. OVERVIEW
Page 2
This document contains a preliminary summary of comments received during the
first round of Community Workshops held in conjunction with the City of Diamond
Bar General Plan Revision process. The first workshop in Round I was held at the
Golf Course on Wednesday, April 21 from 7 to 10 pm. Approximately twenty-five
(25) persons attended the workshop. The second workshop in Round I was held
Saturday, April 24 from 9am to 12 noon at Chaparral School. Approximately 30 per-
sons attended the workshop.
This summary is organized into two sections. Section II summarizes the April 21
workshop; Section II summarizes the April 24 workshop.
11. PRELIMINARY SUMMARY OF COMMUNITY WORKSHOP COMMENTS
FROM WEDNESDAY, APRIL 21,1993
Traffic/Circulation
General/Regional Coordination
• Be sure to take into account the regional transportation picture when planning
the City's transportation network.
• Consider some type of monorail system instead of making more
automobile -oriented transportation improvements.
• Emphasize the need for a "change in thinking" when in comes to transportation -
reduce the reliance on autos.
• Have the Transportation Commission staff respond to some of the workshop
participants' questions regarding transportation.
• Be sure to consult the previous studies completed on traffic/drculation in this
area Make these studies available to the public in advance of future meetings
(including DKS studies, maps, etc.)
• Increase efforts in coordinating regional transportation planning.
• Remember that while addressing regional transportation needs is important,
don't forget to address Diamond Bar residents' transportation needs.
• Gather more information ("hard facts") about existing traffic patterns in this area
(especially between Chino and Diamond Bar).
C.ry 0 Cramcro Bar :,ererai ?fan 9ers,on
a/y ary of Commurory Wontshops • I AL,lig
Page 3
• Review the plans for the 60/57 interchange project - how will this impact
Diamond Bar?
Tonner Canyon Roadway
• Identify and assess the costs and benefits of building the Tonner Canyon
roadway (e.g., traffic congestion relief, economic benefits versus environmental
impacts, growth inducing impacts, construction costs).
City Network
• Consider using signals to discourage through traffic along Grand Avenue.
• Rethink the Pathfinder connection to Fullerton Rd (e.g., what is the impact on
Diamond Bar Blvd.? Will it eventually end up in Whittier?)
• Maintain residential streets as residential streets - not collector or though streets.
• Improve freeway connections.
• Keep carpoolers out of shopping center lots.
• Determine what the Impact of a new Metrolink station may be on Diamond Bar,
especially on parking.
• Note the amount of existing traffic congestion, especially on Diamond Bar
Blvd.from the freeway to Grand.
Housing
Housing Intensity
• Review the allowable number of housing units.
• Note that the City Council has decided that the number of allowable units is
2,000 not 6,000, as was originally stated.
Housing Location
• Note that the General Plan did reduce the number of ridgeline homes.
• Conduct wildlife movement studies in conjunction with neighboring cities when
evaluaft potential housing development in sensitive hillside areas.
• Consider reducing units/acre if slope exceeds designated threshold.
• Need to protect existing communities (e.g., allowing large, new homes to be
built adjacent to smallet homes).
Housing Type
• Think about encouraging the construction of quality housing not housing
quantity.
:,y:':4a-crc Sar 3arera �,an aeos;cn
PTIMNI ry Summary of Commur,ty womshcps - r
Place more emphasis on building more senior housing and low cost housing
(for first time homebuyers).
Check the City of Novato for an innovative low cost housing design.
Identify the actual trips per day per new housing unit.
Open Space and Conservation
Open Space Preservation
• Preserve wildlife and wildlife habitat.
Page a
• Note that some open space areas need to be examined and mapped.
• Provide information on historic background of Tonner Canyon easement.
• Emphasize sensitive planning.
• Recognize the importance of the "interdependency" between environment and
humans. Ecological sensitivity/self sustaining community are critical issues for
today's residents and future generations
• Re-evaluate the use of land form grading ... don't tear up hills to re-form
existing hills
• Consider purchasing open space areas as one method State's requireof
preserving these lands - are residents prepared to carry tax loads?
• Identify other methods of financing open space acquisitions.
• Strike a balance between achieving economic needs and preserving Diamond
Bar's valued open space areas.
Parks and Recreation
• Provide more detailed information regarding parks and recreation standards.
• Clarify whether the City has an adequate number of parks - is the City meeting
the state's requirements?
Water
Study water supply issues - what are alternate water supply sources?
Note that water runoff is damaging the natural areas in Sandstone and Tonner
Canyons.
Noise
• Note that the residential area on the east side of the 57 freeway has decibel
readings which exceed State recommended levels - loud freeway noise
negatively impacts our residents' quality of life.
Gty of Diamond Bar Genera! Plan Revision Apar 29. 993
Prelimnary Summary of Communrry Workshops - ! Page 5
Consider preparing guidelines to help control noise levels.
• Note that the Peterson Park area experiences high noise levels (100-105
decibels).
Public Health And Safety
• Explore methods of controlling construction -generated. Consider some of the
new technologies being used (US Army) such as a tree -sap product.
Improve efforts to control toxic emissions - especially from other communities!!
Land Use
• Clarify the relationship between specific plans and General Plan.
• Consider adding a requirement that certain projects are reviewed by the
community.
• Determine how much more commercial development the City needs (note that
many commercial and office spaces are currently vacant). Assess the City's
commercial office/retail space needs.
• Consider encouraging a University of California campus to locate in Diamond
Bar.
• Factor in important economic development considerations when assessing the
need for future commercial development (e.g., capitalize on potential sales tax
dollars traveling through Diamond Bar).
• Identify ways of getting the "right" type of commercial businesses in the City
(need better shoe and television stores).
Other
• Be aware that the City of Industry is considering building a 120,000 acretfoot .
lake in Chino Hills - this will impact Diamond Bar.
• Note VW the revised General Plan must be substantially different than the July
1982 Version; it needs to address the four points described in the petition.
• Identify who will provide independent analysis for reviewing environmental
issues related to the General Plan.
• Consult the Santa Barbara General Plan regarding its sensitivity to
environmental and public participation issues.
• Please make available copies of the draft General Plan Document.
• Answer the question whether the City has a board of ethics.
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PrBumnary Summary of Community Wonvshops -
aG m '� 9 ' �5;
Page 5
• Make available information/materials associated with the General Plan (e.g.,
studies, the Plan itself, environmental documentation, etc.).
• Be sure that the Environmental Impact Report is reviewed.
• Look at the cumulative impact of adjoining cities' projects (e.g., regional
development projects, the new city of EI Prado).
• Take a more proactive approach to educating the community about planning
issues.
• Move towards a more self -sustained community.
• Consider new and different ways of protecting valuable natural areas (e.g.,
assigning a dollar amount to parcels which reflects their resource value).
• Thank you for providing the opportunity to express our views.
• Let's work together to address Diamond Bar problems.
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Preimnary summary or :01rmundry Worxshops !
_ Page
Ill. PRELIMINARY SUMMARY OF COMMUNITY WORKSHOP COMMENTS
FROM SATURDAY, APRIL 24,1993
Traffic/Circulation
Tonner Canyon
• Be wary of the planned Tonner Canyon roadway - concerned that this will
generate significant amount of traffic and not necessarily help to reduce traffic
congestion.
• Consider alternative roadways (e.g., Soquel and Carbon Canyon areas) to
handle overall city traffic congestion issues, especially Grand Avenue, instead
of Tonner Canyon - preserve this ecologically sensitive area.
• Note that no real decision has been made on the final alignment of the Tonner
Canyon roadway (be sure to correct the text on page 4 of the General Plan
handout language - it is incorrect)
• Do not allow the Tonner Canyon roadway - keep Grand Avenue congested so
Chino Hills people do not use it.
• Require the roadway to be built sensitively - allow no development in the canyon.
• Focus our efforts on improving Tonner Canyon to reduce Grand Avenue traffic -
this is an area that the City has some control over it.
• Make the improvements to Tonner Canyon. Note that we currently have five
road segments which currently exceed capacity. If no improvements are made,
the total number of congested road segments jumps to 28. With Tonner
Canyon, congested roadway segments drops to 3; with Grand Avenue
widening, this number drops to. 0.
• Preserve the rural, natural element of our community - if the roadway must
occur, then be sure that language is included in the General Plan that protects
our community - the signature of the community is the beautiful green hills,
natural environment; let's protect it.
• Check to see if the Tonner Canyon connection will benefit the City of Diamond
Bar. In addition, a high speed highway is not going to protect some of the
animals, namely the cougar, which live in this area. Can a roadway be
constructed which is environmentally sensitive, which takes into account
protec*V the cougars habitat?
• Confirm that adequate traffic studies have analyzed the Tonner Canyon
situation.
0 Consider that the Tonner Canyon roadway may in fact create more congestion.
C,'y :i C, a-,CrC Sar Ce�era i --,a,, ,geos. C"
Prelmnary Summary of Communrry Womsncps • I
A« ^j 2S ' 45.3
Page 8
City Street Network
• Recognize that allowing congestion on City streets also impacts city residents
circulation patterns.
• Work with other cities to address traffic congestion problems.
• Provide access from Diamond Bar into the Tres Hermanos area o allow good
ingress/egress into the high school.
• Re -think the concept of solving traffic congestion problems with the construction
of more roads - consider some alternative transportation solutions to help
reduce auto trips ("get people out of their automobiles").
• Emphasize the construction of bicycle lanes (safe) which connect Diamond Bar
to Brea (along Diamond Bar Blvd). Use language in the Plan which
encourages and protects the rights of bicyclists.
Funding Transportation Improvements
• Check into the status of Proposition A money - why hasn't this be used for
transportation improvements and why has it been put into the General fund?
• Consider alternative traffic regulation mechanisms to control the flow of traffic
(take advantage of technology). Study other mechanisms.
• Identify alternative financing mechanisms for traffic improvements, especially
the notion of establishing a redevelopment agency (this needs more study).
Housing
Housing Intensity
• Note that the original GPAC General Plan included info regarding the densities,
types, and number of housing units residents wanted to see in the community.
This information was not included in the City's final document.
Reduce the number of future housing units from 6000 to 2000 in the General
Plan.
Housing Type
• Explain what future percentages of condos/townhouses vs single family homes
the City desires.
• Determine the demand for multi -family housing.
Note that the original GPAC document called for apartments at a density of 12
units per acre primarily because of traffic concerns.
:,Y't:4a-Jr'_ Bar :*rea; O/a"'iev,$,cI
PreiNnnary Summary o/ Community woncsnops i
Page 9
Housing Location
• We need a set of guidelines which lays out absolute maximums of development,
compatibility concerns, especially for hillside areas.
• Strengthen the City's hillside development standards and guidelines - the City
should be an innovator in the design/implementation of hillside ordinances.
Open Space/Conservation
• Encourage the purchase of developer's land for open space - pay them fair
market value for their land.
• Encourage the City to support citizens' efforts to protect open space areas -
especially, the open space conservancy.
• Include minimum setback requirements for ridgeline development to protect the
community interests.
• Consider including language in the General Plan which says that the City should
vigorously oppose any development in adjacent cities which affects Diamond
Bar's public health and safety.
• Preserve Sandstone Canyon as a valuable City resource; consider some
a conservancyto type of
protect this area.
• Preserve what we do have and explore options for maintaining areas as they
currently are.
• Rethink community parks as community gathering places to encourage more
use. Think about a broader range of park activities. This could also result in
increased dollars via user fees.
• Please include the letter written by Don Shad to the Parks and Recreation
department regarding alternatives for open space/parks and neon. There
are a lot of alternatives outlined in the letter, especially regarding children's use
of the canyon areas. The canyons are really a laboratory which the City should
use, but also a regional resource that other school districts might be interested
in paying to use.
(Land Use
Retail/Commemr'U Devrelbpment
• Note that a significant number of residents shop in communities other than
Diamond Bar, such aas Chino resulting in a loss of sales tax dollars .Given this
leakage, the City may not want to reconsider keeping residents from other
communities out of Diamond Bar. The City should identify the type of
businesses needed in Diamond Bar.
• Consider including language/policies in the General Plan which supports local
businesses needs - the City needs to be more business friendly.
C+ry Bar Ge "t Plan=e+ns;on
Prelrnnary Summary of Community womsnops • l
Apr; 19. * Xj
Page 10
• Consider not allowing any more new commercial development - there is no
demand currently for additional commercial services. There's too many
vacancies right now.
• Note that developers can be our friends - work with the business community in a
collaborative-decisionmaking process.
• Include programs in the General Plan which make Diamond Bar a more
attractive place to shop - an internal city transit system could help facilitate more
Diamond Bar shopping. Identify ways to encourage residents to shop in the City.
• Note that the primary reason for businesses leaving Diamond Bar is because of
high and increasing rents. Property owners may be causing businesses to
leave. This requires more study.
• Note that traffic congestion may be contributing to declining businesses.
Other
• Define "specific plans" (SP) in the General Plan. Cleary describe in the GP,
definitions, parameters of specific plans.
• Consider attracting a university to this area.
• Be sure that reports which have been prepared are made available to the public
- the General Plan and Master Environmental Assessment. The City needs to
be more responsive to the community issues and concerns.
• Be sure that the General Plan process is flexible.
• Be sure that we don't purposely de-emphasize library, cultural amenities,
activities and facilities in the City. The General Plan should strongly support
these activities.
• Review the GPAC General Plan document as part of this General Plan Revision
process - this document better reflects the community's concerns and issues;
the City Council/Planning Commission document does not.
• Note that a lot of the comments made at this workshop were addressed in the
GPA0* General Plan document.
• While the 91 page General Plan summary document sent our residents was
interesift, most people really should have received the complete General Plan
document.
• Consider that more time may be needed to work through this planning process.
• Place more emphasis on economic development; consider the Economic
Development Committee idea mentioned by City Council - the community needs
to be involved in this process.
• Redefine what it means to encourage "country -living" - re -think ways of
translating country living into guidelines.
;.ry V :4arr X:3a, aerera: "ar -7eNs;cn AGr; 29 '3S,
Prelrnnary Summary of Commun,ry Workshops - 1 Page
Focus more energy on getting information out to the public.
• Include language in the Plan which lays out the vision for the community. This
eliminates the need for residents to second guess the Council.
• Be sure that the results of these two first workshops reflect the fact that some of
the same people attended both workshops • there are other views which have
not been discussed here tonite.
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City of Diamond Bar
General Plan Revision
Preliminary Summary of Round II Community Workshop
Results
A summary of comments received during Community Workshops - Round II held
April 28 and May 1, 1993 as part of the City of Diamond Bar's General Plan Revi-
sion process.
Prepared by
Moore lacofano Goltsman, Inc.
Berkeley/Los Angeles, CA
and
Cotton Boland Associates
Pasadena, CA
May 1993
City Of Diamond Bar General Plan Revision
Preliminary Summary of Community Workshops - !!
I. OVERVIEW
May 12. 1993
Page 1
This document contains a preliminary summary of comments received during the
second round of Community Workshops held in conjunction with the City of Dia-
mond Bar General Plan Revision process. The first workshop in Round II was held
at the Golf Course on Wednesday, April 28 from 7 to 10pm. Approximately thirty
(30) persons attended the workshop. The second workshop in' Round II was held
Saturday, May 1 from 9am to 12 noon at Chaparral School. Approximately twelve
(12) persons attended the workshop.
The purpose of this workshop was to review and discuss background information
and potential General Plan policy directions prepared by the consultant team which
addressed some of the key issues identified by Diamond Bar residents during
Round I Community Workshops. Workshop Facilitator Daniel lacofano greeted
workshop participants, thanked for attending the workshop, and provided a brief
overview of the workshop purpose and agenda. After reviewing some of the key
themes which emerged from Round I workshops, he introduced Dale Beland, also of
the consultant team, to review background information and potential policy direc-
tions for the three most frequently discussed issues: level of development, vacant
land/open space, and traffic and circulation. Workshop participants' comments and
questions regarding the background information and potential policy directions have
been summarized and categorized below.
This summary is organized into three sections. Section II summarizes the April 28
workshop comments and Section III summarizes the May 1 workshop comments.
Section IV provides a synthesis of the potential policy directions which evolved out
of the two workshop sessions.
City Of Diamond Bar General P(an .9evison May 12 '993
Prelmnary Summary of Community Workshops - Il Page 2
II. PRELIMINARY SUMMARY OF COMMUNITY WORKSHOP
COMMENTS FROM WEDNESDAY, APRIL 28, 1993
A. Level of Development
Existing Single Family Areas
• Clarify what happens if the General Plan designation remains just as it is today.
The consultant team explained that it is possible that someone could acquire the
properties, tear down the existing building, and build at higher density.
• Be aware of what has happened in Alhambra - the apartment buildings are
located right in the middle of single family housing neighborhoods.
• Keep the existing development pattern - note that a lower density maintains the
uncrowded, "country living" feeling. Allowing 6 units would detract from the
country living feel.
• Note that residents in Alhambra have seen numerous single family housing
units raised and replaced by higher density development - higher density
developments are not desired in Diamond Bar.
• Explain how the clustered housing concept impacts development densities.
• Explain how Upper Sycamore was developed the way it was.
• Clarify whether or not the General Plan can include language which limits the
intensity of development. The consultant team explained that California, law
stipulates that the General Plan can address intensity and is only constrained by
protection of private property rights.
• Explain what the 3 units/ac designation does to properties which are currently 6
units/ac, 2 units/ac. or 4 units/ac. The consultant team explained that
non -conforming uses are eventually grandfathered, that is, allowed to remain as
they are.
• Be aware that Tonner Canyon can still be incorporated by the City of Brea, the
County of San Bernardino or the County of Orange. The consultant team
explained VW the City of Brea is currently trying to establish a joint powers
agreement to plan for this area.
• Answer the question: doesn't the City of Industry own a large quantity of land on
Grand Avenue?
• Explain how developers can be held to the requirements made under clustering
agreements - how can the City protect itself against developers abusing
clustering projects?
• Note that the GPAC version of the General Plan addressed the clustering
protection issue; however, this language was changed by City Council and
Planning Commission.
Clry of Diamond Bar General Plan Revision
Preliminary Summary o/ Community Workshops • 11
Vacant Lands
May 12, 1993
Page 3
• Find out why Sandstone Canyon is not included on the County's map as a
significant biological resource area.
• Consider linking open space areas together to remove the problem of "islands"
of open space areas.
• Clarify whether or not golf courses are included as open space areas.
• Recognize the importance of agreeing to a definition of open space (are golf
courses included? What is considered "usable" open span space?).
• Protect this green belt that is currently provided by the golf course.
• Explain how ownership is maintained and access is provided to lands which are
dedicated to open space as part of a clustered housing development. The
consultant responded that the City would have to assume responsibility for the
maintenance and care of the land.
• Please make available copies of the Master Environmental Assessment (MEA).
The consultant team brought additional copies of the MEA and passed them out
to participants requesting them.
• Consider packaging the lake and the college together as one way of protecting
Tonner Canyon. Additional discussion is needed to examine the impact of the
proposed lake in Chino Hills.
• Preserve our "country" living here in Diamond Bar.
• Provide information as to what is currently protected in terms of open space
undercurrent CC&R's.
B. Traffic and Circulation
Terry Austin provided an overview of some of the City's traffic problems and outlined
several possible policy options.
• Describe the potential impact of the hauling operation(trucks traveling up and
down on Grand Avenue). What mitigation measures are being undertaken to
offset some of the negative impacts?
• Clarify your (Terry Austin's) comment that the Tonner Canyon roadway may not
be financially feasible.
• Consider the use of reverse traffic lanes - this appears to be a good idea.
• Rethink the traffic improvement process - make the improvements first to reduce
traffic congestion, then assess the situation and proceed with additional
improvements. Route 60/57 improvements can happen if the City really pushes
and works closely with Caftrans to make it happen. City leadership is needed to
move forward.
City of Diamond Bar General Plan Revision
Prehmnary Summary of Community Workshops -11
A42y 12, /993
Page a
• Be sure that the Revised General Plan includes the Tonner Canyon roadway -
guidelines should be prepared so it's eventual construction is done in a very
sensitive manner.
• Consider creative ways of paying for the Tonner Canyon roadway (toll roads,
builders/developers contributions). Preserve the option to build this roadway - it
is needed to help absorb traffic from future development.
• Look at adding carpool lanes and ramp metering to help reduce congestion at
the 60/57 interchange and reduce traffic on Diamond Bar Blvd. Work with
Caltrans and other agencies to make these improvements.
• Consider funding the Tonner Canyon roadway with proceeds from the lake
construction - why not tie the vision together (college, lake, roadway) to make it
happen.
• Describe ways of restricting certain types of traffic on our roads. ...can we
require larger trucks to travel only on the freeway and not use city streets.
• Note how difficult it is to back out of driveways for homes near Pathfinder -
consider a traffic signal in this area.
• Consider an aftemative route for the high school access road - the road could
start from Golden Springs, paralleling the freeway, off of Carpio and go up to the
high school
• Consider establishing a policy that this road will be built before Tres Hermanos
is completed.
Cay o/Diamond Bar General Plan Revision A&y 17, 1993
Prelimilary summary of Community Workshops • II
Page 5
III. PRELIMINARY SUMMARY OF COMMUNITY WORKSHOP
COMMENTS FROM SATURDAY, MAY 1,. 1993
General
• Clarify the relationship between the General Plan and a specific plan. The
consultant team explained that the overall plan provides a designation; specific
plan is more specific to the types of uses, activities.
• Rethink the schedule for the General Plan Revision process - it shouldn't be
rushed and more communication between the City and the community is
needed. The City Council needs to increase its outreach/education effort with
the community.
• Extend notification of pending projects to include residents/properties which are
a minimum of 1,000 feet from project site; Additional notice should be provided
at least 2 weeks before meetings.
• Encourage the City to provide more opportunities for the residents to work
through these difficult issues - more workshops are needed.
A. Level of Development
• Be aware that many workshop participants believe that the City does not need
any more commercial development - there are too many vacancies now in
commercial centers. Any future commercial development would generate new
services (police, street maintenance) and the City can't afford that right now.
• Develop a coherent, well -articulated vision for the future which addresses the
economics of the City. Given that 50% of business conducted in Diamond Bar
is conducted at homes, doesn't it make sense to support these cottage
businesses/home businesses.
• Note that additional city revenue is needed in order to improve the quality of
servcies the City currently provides. Given the lack of state funds to support the
City, consider improving the quality of commercial develpment and get the kind
of development and services we want.
• Encourage the City to work more closely with the business community to
stimulate more, desired retail businesses. Pursue a targetted strategy of getting
the "businesses rersidents want." (Several workshop partidpants supported the
idea of a more strategic, targetted economic development strategy)
• Consider a restaurant row somewhere in the AOMD property.
• Consider a conference center in this area.
• Encourage the City to work with the Chamber of Commence and property
owners to help needed businesses get started. City staff explained that there is
Cory of Diamond Bar General Plan Rewsoon
Preliminary Summary of Community Workshops - It
Aty 12, 1493
Page 6
movement under way now to help bridge the gap between the city's desire to fill
the empty space, and businesses trying to make it.
Vacant Land
• Please explain why deed restrictions attached to development projects are not
enforced. Consider deed restriction enforcement as a third option for preserving
open space. Identify ways of upholding land development limitations and open
space dedication set forth in deed restrictions which have been established for
many of the vacant parcels in the City.
• Reassess the type of development the City is allowing and the impact it has on
the open space/hillside areas within the City. This type of development is
carving up hillsides and creating "islands" of housing development in the City's
valued hillsides. Work with the adjoining cities to develop cooperative
agreements to create a network of open space in order to preserve and protect
it.
• Consider encouraging more "self-sustaining" clustered housing developments.
The consultant team cited the Village Homes project in Davis, Califomia
(Northam Califomia) as very successful "clustered community housing" project
which the City should look into.
• Pursue the cluster development concept but be sure that the open space
requirements/provisions are adhered to by developers. City staff responded
that some developers disrogald some of the deed restrictions/map notations
made on properties.
• Consider preparing residential design guidelines which allow for more space
between homes (increased side and backyards). Use landscaping as a way to
create an increases sense of "open space."
• Review each parcel to assess the status of the deed restrictions.
B. Transportation/Circulation
• Note that Grand traffic congestion ("through" traffic) is due primariy to the poor
interchange design at 57/60. Resources should be directed towards improving
this interchange. Consider widening Grand Avenue and looking into carpool
management as a way to help minimize future high school traffic issues.
• Consider preparing a policy direction to encourage close coordination with
Caltrans to address the 57/60 interchange. Staff responded that a series of
Improvements are currently under consideration as part of a MTA proposal
(including signalization of Grand Avenue traffic lights and HO lanes on 57/60).
• Look at the Grand Avenue report and the Parsons Report for information
regarding potential traffic solutions. The Tonner Canyon roadway must go
through - it's a question of when and how the funding is secured.
• Consider establishing Tonner Canyon roadway as a toll road to help finance its
City of Diamond Bar General P1en Revision At y 12 1993
Prokmnary Summary o/ Community Workshops -11 Page 7
construction.
• Study the possibility of pooling funding together among several cities to address
roadway improvements.
• Note that some workshop participants feel that the Tonner Canyon road should
not go through because of geologic constraints and fire hazards.
• Consider building an additional freeway lane and having the Ciity contribute
funds to improving the interchange. The traffic consultant explained that the
interchange improvements would tend to help Diamond Bar "freeway"
avoidance problems, not Grand Avenue traffic congestion.
• Establish some type of agreement with developers that they help in reducing
traffic that they are in part causing.
• Check the feasibility of requiring Chino Hills to pay a fee for highway/roadway
improvements to help mitigate the impacts created by traffic generated in their
city. The traffic consultant explained that it is a good time to talk to Chino Hills
because they are currently working on their General Plan.
• Identify alternative alignments for the Tonner Canyon roadway - can it be built
somewhere else?
• Refrain from worrying about Chino Hills residents - make it more difficult for
them to travel through Diamond Bar.
• Encourage the City to organize a tour of Tonner Canyon to realize its beauty.
• Be sure that if the Tonner Canyon roadway does goes through that no
development be allowed.
• Study the feasibility of building a freeway off -ramp on Golden Springs - this may
take people off of Grand Avenue.
Community Outreach
Several workshop participants suggested ways of increasing workshop attendance:
putting up announcement banners along major roadways and putting together infor-
mational videos on the first four workshops.
City of Diamono Bar General Plan Revision Wy r2. 1993
Pmlannary Summary of Community Workshops -11 Page 8
IV. POTENTIAL POLICY DIRECTION STATEMENTS
The following text is a synthesis of those items which seemed to surface from the
second round of workshops.
Single Family Residential Areas
• Any future single family residential development must be compatible with the
existing development pattern.
Economic Development
• The City should consider developing a targeted development strategy, that is,
determine what type of commercial development is most desirable and prepare
policies to attract that type of development to the City.
Open Space
• Consider enforcing deed restrictions as a method of preserving or acquiring of
open space, in addition to acquisition, priority acquisition, and transfer of
development rights (as discussed at the community workshops).
• Encourage clustered housing developments, where feasible and desired, in
order to slow down the "carving" up of the City's hills. Require developers to
adhere to open space requirements or provisions. Provide future guarantees
that developers will comply with the requirements.
Transportation/Clrculation
• Work closely with Caltrans and other local agencies and cities to improve the
57/60 interchange.
• Continuo to study the construction of an "environmentally sensitive" Tonner
Canyon Roadway. Work closely with surrounding city and country governments
to fund the construction of this much needed roadway with the necessary
safeguards to ensure that it is done sensitively. Also consider alternatives to the
Tonner Canyon solution.
• Consider a high school access road which begins from Golden Springs,
Parallels the freeway, runs off of Carpio and then up to the High School.
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Diamond Bar Citizens to Protect
Country Living
Post Office Box 4209
Diamond Bar, Califoria 91765
(909) 861-8825 FAX (909) 861-2323
Tuesday, May 04, 1993
Terry Belanger
City of Diamond Bar L L'
21660 East Copely Drive ,
Suite 100 ^,
Diamond Bar, California 91765
Subject: General Plan Input
Dear Terry:
Due to prior scheduled commitments, I will be unable to attend the four
workshops on the General Plan. I did, however, wish to have some written input
into the process.
Based on my experience as a resident of Diamond Bar and input from many
citizens, I feel that the primary goals of the General Plan should be:
1) Mitigating the current traffic and preparing for future traffic increases. We
already are impacted, and proposed developments will only add to the problem
at the critical points in our city. The General Plan needs to insure that any
additional developments will provide for methods to mitigate the increased traffic
they will inevitably create.
2) Proactively preserving open spaces. Our city has been vigorously pursuing
development as a proposed solution to an anticipated revenue shortfall.
Mortgaging our quality of life, however, should not preceed designing a future for
our comnvj*. Planning a future Diamond Bar should allow developments that
enhance the community, and the city needs to be convinced of the need of a
project rather than seeking additional revenues. Additionally, our city should not
participate as a developer as our country is full of white elephants that cities
received in exchange for developments that should not have been built. Our city
should encourage and support citizens creating economic development as the
free market is always the best determinator of worthwhile projects. Our city is
blessed with two major environmental assets in Tonner Canyon and Sandstone
Letter to City of Diamond Bar
Re: Gerwal Plan Input, Pape 2
Canyon, and our city's previous and current efforts to create economic
opportunities will shorchange generations to come.
Thank you for the opportunity to participate in this process. I feel strongly that
the previous General Plan proposal was gutted in the final stages by our City
Council. I hope this process will give the citizens a chance to again make their
concerns clear and force the council to write a plan for our future that protects
our community and our quality of life.
Sincerely,
William J. Gross
Chairman
WJG:mc
E. LAND USE GOALS, OBJECTIVES AND
IMPLEMENTATION STRATEGIES
(Revised)
IT IS THE OVERALL GOAL OF THE PLAN FOR THE COMMUNITY
DEVELOPMENT TO ENSURE THAT THE LAND USES AND DEVELOPMENT
DECISIONS OF DIAMOND BAR ENHANCE THE QUALITY OF LIFE FOR ITS
RESIDENTS."
(No Changes)
GOAL 1. Require a mix of land uses which enhance the quality of life of Diamond Bar
residents, consistent with its desire to maintain its quality and distinctiveness
as a planned community. (No Changes,
Objective 1.1 Establish a land use classification system to guile the public and private use of land within
the City and its sphere of influence. (No changes)
Strategies:
1.1.1 identify residential land use categories to provide an appropriate range of housing
types for residential development within the City and its Sphere of Influence.
(No Changes)
a. Designate currently developed hillside residential areas with an average slope
greater than 25 percent as Rural Residential (RR) on the Land Use map.
The maximum gross density of Rural Residential. will be 1.0 dwelling unit
per gross acre (1 du/ac).
b. Designate currently undeveloped hillside residential areas with an average slope
greater than 25 percent as Low Rural Residential (LRR) on the Land Use map.
The ntaxinium gross density of Rural Residential will be 1.0 dwelling unit per
25 gross acres (0.4 du/ac). (Added)
C. Designate single family detached residential areas with a slope less than 25
percent as Residential (R) on the Land Use Wrap. The maximum density of
Residential areas will be 3.0 dwelling units per gross acre (3 du/ac).
(Added to rgkce RL & RLM designations.)
d. Designate currently developed townhome, condominium, apartment,
mobilehome and other multiple family residential properties as High Density
Residential (RH) on the Land Use neap. The maximum gross density of High
Density Residential will be 160 dwelling units per gross acre (16 du/ac).
e. Designate C107•ently undeveloped townhome, condominium, apartment,
mobilehome and other multiple/itntily residential properties as Medium Density
Residential (RM) on the Land Use map. The maximunt gross densiry of
Medium Density Residential will be 12.0 dwelling units per gross acre
(12 dulae). (added)
f. In conjunction with this plan's stated desire to bring a new limited enrollment
institution of higher learning (c. University of California) campus to that
undeveloped area of the City known as Tres Hermanos Ranch, designate a
combination Residential/RetaillC'ommercial land use category of Mixed Use
(MIX) to be available for an as vet undefined area surrounding the associated
142 acre reclaimed water lake. As such, housing projects within this area could
be built at densities higher than 16 units per acre and at densities that would
provide housing for all income segments of identified need (Added)
1.1.2
(No Changes)
1.1.2. a.
(No Changes)
b.
(No Changes)
1.1.3
(No Changes)
1.1.4
(No Changes)
1.1.5
(No Changes)
1.1.6
(No Changes)
1.1.7
(No Changes)
1.1.8
(No Changes)
1.1.9
(No Changes)
Objective 1.2 Preserve and maintain the quality of existing residential neighborhoods while offering a -
variety of housing opportunities. (No Changes)
Strategies:
1.2.1
(No Changes)
1.2.2
(No Changes)
1.2.3
(No Changes)
1.2.4
(No Changes)
1.2.4. a. _
(No Changes)
b.
()Vo Changes)
1.2.5
(No Changer, bid correct the spacing)
1.2.6 Broaden the range of, and encourage innovation in, housing types when
possible. Require development within residential (LIM RR, R, RM, RH &
MIX) areas to provide amenities such as common usable, active open space
and recreational areas.
1.2.7
(No Changes)
1.2.8
(No Changs)
1.2.8 a.
(No Chiang-)
b.
(No Changes)
1.2.9
(No Changes)
Objective 1.3 Designate adequate land for retail and service commercial, professional services and other
employment -generating uses in sufficient quantity to meet the City's needs. (No Changes)
Strategies:
1.3.1 (No Changes)
1.3.1 a. (No Changes)
b. (No Changes)
C. In conjunction with this plan's stated desire to bring a new limited entV&M
insntution of higher learning (e.g., University of California) campus to that
undeveloped area of the City known as Tres Hermanos Ranch, a combination
Residential/Retail/Commercial land use category of Mired Use (MIX) will be
available for an as yet undefined area surrounding the associated 142 acre
reclaimed water lake. As such, commercial projects which compliment and
supplement these other planned projects within this area (e.g., Hote4 conference
center, etc.) will be pursued (Added)
1.3.2 (No Changes)
1.3.2 a. (No Changes)
1.3.3 (No Changes)
1.3.3 a. (No Changes)
b. Typical uses for the commerciabretail section of the mired use center planned
for Tres Hermanos Ranch include general retai4 specialty retail, food and drug
stores, restaurants, financial institutions, lake front recreational or educational
oriented businesses. (Added)
1.3.4 (No Changes)
1.3.5 (No Changes)
1.3.5 a. (No changes)
b. (No Changes)
C. (No Changes)
d. (No Changes)
e. Actively promote plans to locate a limited enrollment institution of h i g h e r
learning (e.g., a University of California campus) and its associated mired
use "Ciiv within a City" center on Tres Hermans Ranrh in Diamond Bar.
(Ad,W)
13.6 (No Changes)
Objective 1.4 Designate adequate land for educational, cultural, recreational and public service activities
to meet the needs of Diamond Bar residents. (No Changes)
Strategies:
1.4.1
(No Changes)
1.4.2
(No Changes)
1.4.3
(No Changes)
1.4.4
(No Changs)
1.4.5 Pursue a cooperative program with the Pomona Unified School District to
constrict a high school in the City of Diamond Bar on Tres Hermanos Ranch.
(Added)
a. As part of the high school development, pursue development of major joint use
meeting & recreational facilities (e.g., auditorium, pool, ball fields, tennis
courts, footballlsoccer stadium, gyninasium, etc.). (Added)
1.4.6 Actively promote plans to locate a limited enrollment institution of h i g h e r
learning (e.g., a University of California campus) on Tres Hermanos Ranch
in Diamond Bar. (Added) -
a. As part of the school development, pursue development of major joint use
meeting & recreational facilities (e.g., auditorium, conference center, poo4 ball
fields, tennis courts, footballlsoccer stadium, gymnasium, etc.). (Added)
b. Coordinate these plans with other plans for this property (Le., The 1200 acre
potable water lake, the 142 acre reclaimed water lake, the High School and
Tonner Canyon Scenic Highway). (Added)
1.4.7 Actively promote plans by the Metropolitan Water District and the City of
Industry's Urban Development Agency to locate a 1200 acre potable water lake
on lower Tres Hermanos Ranch in Chino Hills and Diamond Bar. (Added)
a. Coordinate these plans with other plans for this property (Le., The 142 acre
reclaimed water lake, the University, the High School and Tonner Canyon
Scenic Highway). (Added)
b. Promote the inclusion of public recreational access and activities in this lake's
plans. (Added)
1.4.8 Actively promote plans by the City of Industry's Urban Development Agency
to locate a 142 acre reclainted water lake on Tres Hermanos Ranch in
Diamond Bar. (Adder)
a. Coordinate these pians with other plans for this property (Le., The 1" age
potable water lake, the University, the High School and Tonner Canyon Scenic
Highway). (Added)
b. Promote the inclusion of public recreational access and activities in this lake's
plans. (Adds)
C. Promote the inclusion of mixed use zoning (retaillresidentiallcommereial) on
property surrounding the lake. (Addd)
Objective 1.5 Maintain a feeling of open space within the community by identifying and preserving an
adequate amount of open space. (No Changes)
Strategies:
1.5.1 Maintain an inventory Of previous dedications, designations or decisions
regarding open space made by the County of Los Angeles and the City.
(Second sentence moved to 1.S.1 a.)
1.5.1 a. Require developers of vacant land to provide appropriate title or other ownership
documents to identify any development restrictions on the property. (see above)
b. Development rights on these properties are limited by the covenants recorded
when these tracts were subdivided During that subdivision process, the owners
covenanted (Le., promised) that, notwithstanding any zones on these properties,
these lands would not be developed or, in some specific cases, developed with
only one residential unit. It is the City s policy to not renegotiate these prior
commitments unless, after a separate public hearing it is so deemed that doing
so would benefit the community. (Added)
1.5.2 (No Changes)
1.5.2 a. Investigate the possibility of participation in a State-wide park bond issuance
in order to purchase open space not already protected by open space
restrictions.
b. (ORIGINAL CONCEPT DELETED)
C. (ORIGINAL CONCEPT DELETED)
b. Areas that should be considered for future park.facilities include, but are not
limited to, Sandstone Canyon, Upper Sycamore Canyon, and Tonner Canyon.
(Added)
Objective 1.6 Provide flexibility in the planning of new development as a means of encouraging
design
superior
(Ne chanes)
Strategies:
1.6.1
(No. Changes)
L6.2
(No Charges)
1.63
(No Chang")
1.6.4
(Ne Changes)
1.6.5
(rte Changes)
1.6.6
(No Charges)
1.6.6
a. (No Chanes)
b. (No Changes)
R
Objective 1.7 Stimulate opportunities for a population which is diverse in terms of age, occupation,
income, race, interests and religion to interact, exchange ideas, establish and realize common
goals. (No changes)
Strategies:
1.7.1
(No Changes)
1.7.2
()Vo Changes)
1.7.2. a.
(No Changes)
b.
(No Changes)
1.7.3
(No Changes)
1.7.4
(No Changes)
GOAL 2. Manage land use with respect to the location, density and intensity, and
quality of development in order to maintain consistency with the capabilities
of the City and special districts to provide essential services, and to achieve
sustainable use of environmental and manmade resources. (No change)
Objective 2.1 Require land use patterns and densities within the city and encourage land use patterns and
densities adjacent to Diamond Bar which are consistent with the Plan for Resource
Management.
Strategies:
2.1.1 (No Changes)
2.1.1 a. (No Changes)
b. (No Changer)
C. The City will actively encourage the development of the Tres Hermanos Water
Resource Project's potable water reservoir in Chino Hills and pursue a project
that will benefit and correspond with the other projects on Tres Hermans and
Tonner Canyon in Diamond Bar. (,added)
d As the City pursues possibility of locating a limited enrollment institution of
higher learning (e.g., University of California) in that portion of Tres Hermanos
Ranch in Diamond Bar, it will discuss with the Ciry of Chino Hills the
possibility of that campus extending into a portion of Tres Hermans Ranch
in Chino Hills. (Added)
e. City will coordinate its efforts to construct Tonner Canyon (Road) Scenic
Highway with the City of Chino Hills, the City of Industry's Urban Development
Agency, the Counties of San Bernardino and Orange, as well as the
Metropolitan Water District. (Added)
f. The City will monitor the progress of development proposals within the Ciry
of Brea's northern sphere of influence and will coordinate the planning for
Diamond Bar's sphere of influence with the City of Brea. (Added)
I!
g. The City will pursue discussions with the City of Industry regarding Industry's
plans for their presently undeveloped property west of the 60157 freeway
interchange, north and south of Grand Avenue. With superior mutually
beneficial planning this site has unique potential for stimulating economic
development throughout the region. Correspondingly, without due diligence in
the planning process, this site's potential of negatively impacting the City of
Diamond Bar's residents' living environment is significant. (,added)
2.1.2 (No Changes)
2.1.3 (No Changes)
Objective 2.2 Maintain an organized pattern of land use which minimizes conflicts between adjacent land
uses. (No Changes)
Strategies:
2.2.1
(No Changes)
2.2.2
(No Changes)
2.2.3
(No Changa)
2.2.4
(No Changes)
Objective 2.3 Ensure that future development occurs only when consistent with the availability and
adequacy of public services and facilities. (No Ganges)
Strategies:
2.3.1 (.No Clangesl
2.3.2 (No Clanger)
2.3.2 a Pursue a variety of funding mechanisms for new development in addition to
developer fees and construction by developers, including tax increment
(redevelopment) fatancing. (AddM)
GOAL 3 Maintain recognition within Diamond Bar and the surrounding region as
being a community with a well planned and aesthetically pleasing physical
environment. (No changes)
Objective 3.1 Create visual points of reference, both within the community and on its boundaries, as a
means of highlighting community identity. (No changes)
Strategies:
3.1.1 (No Changs)
3.1.2 (No C7wVa)
3.1.3 (No awnw)
3
3.1.4 With the approval of a majority vote of the City's electorate, pursue the
establishment and expansion of landscape maintenance districts as a means
of ensuring the ongoing maintenance of medians and community entry
statements, as well as maintenance of landscaping of hillsides along major
roadways.
3.1.4 a. Ensure that the costs and benefits associated with such maintenance districts
are equitably distributed to the property owners and residents who benefit from
the amenity. (Added)
3.1.5 (No Changes)
Objective 3.2 Ensure that new development and modifications to existing development yield a pleasant
living, working or shopping environment as the result of consistent exemplary design.
(R- ded)
Strategies:
3.2.1
(No Changes)
3.2.2
(No Changes)
3.2.3
(No Changer)
3.2.4
(No Changes)
3.2.4 a.
(No Changes)
b.
(No Changes)
C.
(No Changes)
d.
(No Changes)
3.2.5
(No Changer)
3.2.6
(No Changer)
3.2.7
(No Cianges)
3.2.8
(No Changes)
3.2.9
(No clanger)
Objective 3.3 Protect the visual quality and character of remaining natural areas and ensure that hillside
development does not create unsafe conditions. (Reworded)
Strategies:
3.3.1
(No Chances)
33.2
(No Chanties)
3.3.3
(No Changes)
33.4
(No Changer)
33.5
(No Changes)
3.3.5 a.
(Ne Changs)
b.
(No Changes)
9
GOAL 4. Encourage long-term and regional perspectives in local land use decisions,
but not at the expense of the quality of life for Diamond Bar residents.
_ (No Changes)
Objective 4.1 Promote and cooperate with efforts to provide reasonable regional land use and
transportation planning programs. (No changes)
Strategies:
4.1.1 (No Chances)
4.1.2 (No Changes)
4.1.3 (No Changes)
Objective 4.2 Maintain City boundaries which are reasonable in terms of existing service capabilities, social
and economic inter -dependencies, citizen desires, and City costs and revenues. (No Changes)
Strategies:
4.2.1 (No Changes, but this really is saying the same thing as 4.2.2)
4.2.2 Seek annexation of unincorporated areas west of the City, including expansion
of the adopted Sphere of Influence, where the following findings can be
made:
4.2.2 a. (No Changm)
b. (No Changes)
C. (No Changer)
d. (No Changes)
4.2.3 Pursue discussions with the City of Industry regarding annexing their Urban
Development Agency -owned acreage (Tres Hermanos Ranch) in Chino Hills.
(Added)
ADDiT"ONA�--TIMPSE ADDMOM TO THE PLAN FOR LAND USE ARE
REQUESTED.
Insert on Page 1.4 Land Use Mi4 b. Economics:
Inasmuch as Diamond Bar is centrally located between the three existing University of California
campuses in the Los Angeles Basin and is in the unique position of having undeveloped property available
within its boundaries of sufficient size (Tres Hermans Ranch) to house such a campus, a long term effort
to secure the next Southern California U.C. campus has been under discussion for some time. Although
the State's present economic situation has currently forced the U.C. system to put its plans to build new
campuses on hold, this delay can be seen as beneficial because it provides the opportunity for the City to
better coordinate long range plans for the property surrounding the proposed campus.
R
10
The economic development potential associated with becoming a U.C. host city is enormous. The
positive effect this proposed University would have on the quality of education at the K-12 schools
throughout the City is beyond estimation. Should this proposed project become a reality, mann of the other
issues facing the City and detailed in this document (e.g., stabilizing municipal revenues, expediting the
maturation of the Corporate Center, strip center vacancies, improving recreational facilities and housing
needs, etc.) can be solved.
Additionally, the mixed use center proposal alone, meant to act as a "city within a city" and which
would house and service the needs of the estimated 7000 student population and their visitors, could provide
a revenue source for the City rivaling any mall in the country. This is a revenue source the scale of which
the City could not get otherwise.
Although the majority of the Tres Hermanos Water Resource Project, which includes both the 142
acre reclaimed water lake and the 1200 acre potable water lake, actually is located in neighboring Chino
Hills, the potential impact this project would have on the City in terms of economic development and new
recreational opportunities can not be understated. The reclaimed water lake, wholly located within the
City's borders, will provide a source of water that would directly effect the viability of other potential
developments in the City. The reduction of fire hazard in the area as a result of this project would be
dramatic. The potential increase of property values in the City as a direct result of the lakes' construction
is profound.
PLAN FOR HOUSING:
Page 1142, Section D.l. (last paragraph currently reads:)
The reason for a lack of detail in the Diamond Bar land use inventory is that most of the large
vacant properties remaining in the City are hilly with little infrastructure in place or immediately adjacent.
The largest vacant parcel, called "Tres Hermanos", is designated as a "Specific Plan" because there are no
firm development or improvement plans at present. It is intended that specific housing projects within Tres
Hermanos could be built at densities higher than 16 units per acre, at densities that would provide housing
for all income segments of identified need.
Revised to read.-
The
ead.The reason for a lack of detail in the Diamond Bar land use inventory is that most of the large vacant
properties remaining in the City are hilly with little infrastructure in place or immediately adjacent The largest
vacant parcel, called "Tres Hermanos", is designated as a "Specific Plan" because there are no approved
development or improvement plans at present It is intended that specific housing projects within Tres Hermanos
be built in conjunction with this plan's stated desire to bring a new limited enrollment institution of higher
leaming (e.g., University of California) campus and its associated mixed use area surrounding the 142 acre
reclaimed water lake to this property. As such, housing projects within Tres Hermanos could be built at densities
higher than 16 units per acre and at densities that would provide housing for all income segments of identified
need
Page 11-15, Section D.?c. (last paragraph currently reads:)
It is much more realistic and cost effective for the City to plan that the majority of affordable
housing built in Diamond Bar will be built on the Tres Hermanos Ranch, where there is sufficient land of
modest topography to make the construction of affordable housing, both single family and detached units.
The City of Diamond Bar believes that the combination of density bonuses and a City housing in lieu fund,
along with use of State and federal programs will be sufficient to meet its proportionate share of low and
moderate income housing needs.
Revised to read:
It is much more realistic and cost effective for the City to plan that the majority of affordable housing
to be built in Diamond Bar will be built on the Tres Hemtanos Ranch in conjunction with this plan's stated
desire- to bring a movhigher leenw+� fc$; er�7' of
its associated mired use area suffounding the 142 acre reclaimed water{lilake to this property. The City of
Diamond Bar btftm, that the combination_ of density bonuses and a City housing in lieu fund, along with use
of State and fed&W programs will be sufficient to meet its proportionate share of low and moderate income
housing needs
��
-t
PLAN FOR HOUSING: (Continued)
ADDITIONALLY, THIS ADDITION TO THE PLAN FOR HOUSING IS REQUESTED:
Strategy 1.1.12 (new)
Actively promote plans to locate a limited enrollment institution of higher learning (e.g., a
University of California campus) and the City of Industry's Urban Development Agency's plan to locate a
142 acre reclaimed water lake on Tres Hermanos Ranch in Diamond Bar.
a. Coordinate these plans with other plans for this property (i.e., The 1200 acre
potable water lake, the High School and all major highways).
C. Promote the inclusion of mixed use zoning (retail/residential/commercial) on
property surrounding the lake in order to promote economic development of the City while helping the City
meet its existing housing needs as well as those associated with the new institution of higher learning.
PLAN FOR RESOURCE MANAGEMENT
Insert on Page III -7, 2. Parks & Recreation:
Inasmuch as Diamond Bar is centrally located between the three existing University of California
campuses in the Los Angeles Basin and is in the unique position of having undeveloped property available
within its boundaries of sufficient size (Tres Hermanos Ranch) to house such a campus, a long term effort
to secure the next Southern California U.C. campus has been under discussion for some time. Although
the State's present economic situation has currently forced the U.C. system to put its plans to build new
campuses on hold, this delay can be seen as beneficial because it provides the opportunity for the City to
better coordinate long range plans for the property surrounding the proposed campus.
The economic development potential associated with becoming a U.C. host city is enormous. The
positive effect this proposed University would have on the quality of education at the K-12 schools
throughout the City is beyond estimation. Should this proposed project become a reality, many of the other
issues facing the City and detailed in this document (e.g., stabilizing municipal revenues, expediting the
maturation of the Corporate Center, strip center vacancies, improving recreational facilities and housing
needs, etc.) can be solved.
Additionally, the mixed use center proposal alone, meant to act as a "city within a city" and which
would house and service the needs of the estimated 7000 student population and their visitors, could provide
a revenue source for the City rivaling any mall in the country. This is a revenue source the scale of which
the City could not get otherwise and could well provide the resources necessary to improve parks &
recreation facilities throughout the City.
Insert on Page III -7, 3. Water.
Although the majority of the Tres Hermans Water Resource Project, which includes both the 142
acre reclaimed water lake and the 1200 acre potable water lake, actually is located in neighboring Chino
Hills, the potential impact this project would have on the City in terms of economic development and new
recreational opportunities can not be understated. The reclaimed water lake, wholly located within the
City's borders, will provide a source of water that would directly effect the viability of other potential
developments in the City. The reduction of fire hazard in the area as a result of this project would be
dramatic. The potential increase of property values in the City as a direct result of the lakes' construction
is profound.
ADDITIONALLY, THESE ADDITIONS TO THE PLAN FOR RESOURCE
MANAGEMENT ARE REQUESTED:
Strategy 1.3.9. (new)
Pursue a cooperative program with the Pomona Unified School District to construct a high school
in the City of Diamond Bar on Tres Hermans Ranch.
a. As part of the high school development, pursue development of major joint use
meeting & recreational facilities (e.g., auditorium, pool, ball fields, tennis courts, football/soccer stadium,
gymnasium, etc.).
I
PLAN FOR RESOURCE MANAGEMENT (Continued)
Strategy 1.3.10: (new)
Actively promote plans to locate a limited enrollment institution of higher learning (e.g., a
University of California campus) on Tres Hermanos Ranch in Diamond Bar.
a. As part of the school development, pursue development of major joint use meeting
St recreational facilities (e.g., auditorium, conference center, pool, ball fields, tennis courts, football/soccer
stadium, gymnasium, etc.).
b. Coordinate these plans with other plans for this property (i.e., The 1200 acre
potable water lake, the 142 acre reclaimed water lake, the High School and all major highways).
Strategy 1.3.11: (new)
Actively promote plans by the Metropolitan Water District and the City of Industry's Urban
Development Agency to locate a 1200 acre potable water lake on lower Tres Hermanos Ranch in Chino
Hills and Diamond Bar.
a. Coordinate these plans with other plans for this property (i.e., The 142 acre
reclaimed water lake, the University, the High School and all major highways).
b. Promote the inclusion of public recreational access and activities in this lake's plans.
Strategy 1.3.12: (new)
Actively promote plans by the City of Industry's Urban Development Agency to locate a 142 acre
reclaimed water lake on Tres Hermanos Ranch in Diamond Bar.
a. Coordinate these plans with other plans for this property (i.e., The 1200 acre
potable water lake, the University, the High School and all major highways).
b. Promote the inclusion of public recreational access and activities in this lake's plans.
PLAN FOR PUBLIC SERVICES AND FACILITIES:
Insert on Page 1/I-3:
Inasmuch as Diamond Bar is centrally located between the three existing University of California
campuses in the Los Angeles Basin and is in the unique position of having undeveloped property available
within its boundaries of sufficient size (Tres Hermanos Ranch) to house such a campus, a long term effort
to secure the next Southern California U.C. campus has been under discussion for some time. Although
the State's present economic situation has currently forced the U.C. system to put its plans to build new
campuses on hold, this delay can be seen as beneficial because it provides the opportunity for the City to
better coordinate long range plans for the property surrounding the proposed campus.
The economic development potential associated with becoming a U.C. host city is enormous. The
positive effect this proposed University would have on the quality of education at the K-12 schools
throughout the City is beyond estimation. Should this proposed project become a reality, many of the other
issues facing the City and detailed in this document (e.g., stabilizing municipal revenues, expediting the
maturation of the Corporate Center, strip center vacancies, improving recreational facilities and housing
needs, etc.) can be solved.
Additionally, the mixed use center proposal alone, meant to act as a "city within a city" and which
would house and service the needs of the estimated 7000 student population and their visitors, could provide
a revenue source for the City rivaling any mall in the country. This is a revenue source the scale of which
the City could not get otherwise.
Although the majority of the Tres Hermanos Water Resource Project, which includes both the 142
acre reclaimed water lake and the 1200 acre potable water lake, actually is located in neighboring Chino
FI'Ilr sihe potentTaT Impact this project would have on the City in terms of economic -development -and new
recreational opportunities can not be understated. The reclaimed water lake, wholly located within the
City's borders, will provide a source of water that would directly effect the viability of other potential
developments in the City. The reduction of fire hazard in the area as a result of this project would be
dramatic. The potential increase of property values in the City as a direct result of the lakes' construction
is profound.
ADDITIONALLY, THESE ADDITIONS AND REVISIONS TO THE PLAN FOR PUBLIC
SERVICES AND FACILITIES ARE REQUESTED:
Strategy 1.1.5.a: (raised)
1. Actively promote plans by the Metropolitan Water District and the City of Industry's Urban
Development Agency to locate a 1200 acre potable water lake on lower Tres Hermanos Ranch in Chino
Hills and Diamond Bar.
2. Coordinate these plans with other plans for this property (i.e., The 142 acre reclaimed water
lake, the University, the High School and all major highways).
3. Promote the inclusion of public recreational access and activities in this lake's plans.
s
PLAN FOR PUBLIC SERVICES AND FACILITIES: (Continued)
Strategy 1.1.5.b: (new)
1. Actively promote plans by the City of Industry's Urban Development Agency to locate a 142
acre reclaimed water lake on Tres Hermanos Ranch in Diamond Bar.
2. Coordinate these plans with other plans for this property (i.e., The 1200 acre potable water
lake, the University, the High School and all major highways).
3. Promote the inclusion of public recreational access and activities in this lake's plans.
4. Promote the inclusion of mixed use zoning (retail/residential/commercial) on property
surrounding the lake.
Strategy 1.3.1: (revised)
Pursue a cooperative program with the Pomona Unified School District to construct a high school
in the City of Diamond Bar on Tres Hermanos Ranch.
a. As part of the high school development, pursue development of major joint use
meeting & recreational facilities (e.g., auditorium, pool, ball fields, tennis courts, football/soccer stadium,
gymnasium, etc.).
Strategy 1.4.2: (revised)
Actively promote plans to locate a limited enrollment institution of higher learning (e.g., a
University of California campus) on Tres Hermanos Ranch in Diamond Bar.
a. As part of the school development, pursue development of major joint use meeting
& recreational facilities (e.g., auditorium, conference center, pool, ball fields, tennis courts, football/soccer
stadium, gymnasium, etc.).
b. Coordinate these plans with other plans for this property (i.e., The 1200 acre
potable water lake, -the -142 -acre -reclaimed water- lake, the- Higb-&hool and -All- major- highways)
(2111Memo to Mayor Gary Miller and City Council
Re: Land Use: Open Space
Policy regarding open space preservation needs to be set.
Criteria needs to be set by which the relative importance of each
piece of property can be intelligently discussed. I respectful)
request that the following criteria be included in such a policy: size
and buffering from development; animal corridor and quality habitat
(food, water, shelter and nesting). Recreational opportunity, public
access and the aesthetics need also be considered.
Policy regarding acquisition needs to link funding to the
appropriate level of importance. For example, a piece of property
whose main importance is to a local neighborhood should consider an
assessment district. City money should pay for areas important to the
whole city. State money should pay for areas of state importance.
I would also like to respectfully submit the following concept
for your consideration. We should work with neighboring jurisdictions
to link the Carbon Canyon , Chino Hills State Park and the most
environmentally significant portions of the Tonner Canyon region as
permanent open space. There is significant opportunity for animal
movement and habitat. Because this location enjoys lower light levels
at night than in our suburban areas, if an observatory is ever built,
this would be a good site.
Because I believe the public would enjoy the visual relief of the
natural area, I would support an environmentally responsible roadway.
Properly done, not only could relief. for the traffic on Grand be
provided; but if Mr. Schad is correct, the same feelings as driving
and visiting the Grand Canyon could be enjoyed close to home.
I thank you for your time,
God bless,
Lydia E. Plunk
City of Diamond Bar:
Workshop chair person(s)
Jim DeStefano, Diamond Bar Planning
Moore Lacofano Goltsman, Inc.
Cotton Beland Associates,
Pasadena
Director,
L'���
May 12, 1993
The following are my concerns about the General Plan. The key
issue is: We the people of Diamond Bar need to address each line
and the total content of this draft be formeiby presenting it to
the City Council or other body such as the Panning Commission.
After ten to twelve hours of public input, over the last few weeks,
the workshops seem to be overly general with no specific details in
relationship to the public's input that I have recorded on video
tape at each and every meeting. It is inconceivable to proceed any
further without a page by page, line by line approach to creating
the new General Plan. Using the previous draft (July 14, 1992) is
one approach, however the General Plan that was presented to the
Planning Commission and City Council just prior to their review,
the one GPAC created would be much more representative of the
desires of the citizens of Diamond Bar.
Since we are starting over again, those two documents should be
made available and referenced during the public's input at these
meetings. It is out of place to proceed in the same manner as we
have been doing without getting to the specifics and details.
Your conclusions are NOT getting to the issues in an acceptable
manner to give the people what they want!
I do hope the goal is to give a plan that is the people's goals and
not just a facade or white wash ending up with a supposedly
"reworked" plan that meets the Council's desires.
I have full intention to legally pursue directing you and the City
of Diamond Bar in a direction to give the public what they want.
It may be advisable for you to seek legal advice from your own
attorney's and state your position at this time. You are currently
treading on thin ice.. The workshops have gone too long and have
not addressed the point of getting the facts in writing to give the
public ample time to proof read the final draft before it goes to
the City Council.
Max Maxwell
1
Max Maxwell General Plan Concerns
May 12, 1993
Land Use
To better express my concerns I have started from page one and gone
a few pages, page by page using the July, 1992 Genral Plan for a
few pages to explain the above points and made the following notes.
These issues are to be discussed in open forum and final decisions
written and agreed, with your expereise guianance.
Page 1-3: �-
These pages must reviewed and be reflective of any updates.
Page 4, Item. 1, Land Use:
This statement should state the efforts to perserve the open spaces
in a more positive manner. ie
2nd para "...hillsides left in the City that COULD represent
significant open space resources for residents." COULD, should be
changed to: "it is the desire of the people to".
The following statement of: ...views from residential hillsides
lots, and not necessary what views were like of the hillsides.
This stsatement is not appropriate. The statement should read: It
is the desire of the people who moved here to retain a rural
atmosphere of views of the hills and open space and limit
development and preserve these views."
Also, the continuing statement: "Many choices are needed as to if
or how the City wants its remaining open land to develop,
especially land that may have been designated to restriced as open
space by previous development approvals through the County."
This statement should read: This General Plan refelects the
desires of the people to keep all the original restrictions on land
and parcels initiated by the County to further enhance the desire
to keep Diamond Bar open space policies of limiting any further
development that destroyf► the NATURAL beauty and shape of the
hillsides and pr erve the ridge lines etc...."
Page 4, Item 2. Circulation (first Para)
The para starting with: "Diamond Bar's location gives residents
excellent access..." needs to be totally reworked.
The statement: "The City's location MEANS means that it does'nt
need as many amenities (such as libraries and museums) within the
town, but it also mneans that residents o tem must drive aout of
town to go shopping for entertainment."
2
This issue doesn't address the real facts. What about shopping at
locations where the prices are more competetive, etc? Also, the
need of library and museums are 1-pproperly addressed. Who says we
don't need them, especially since we are a community on it's own
and centerally located to be the hub for research and cultural
events for the valley.
Pg. 4, last para:
The statement about Tonner Canyon is inconclusive and out of place
here. First who concluded that it has been proposed for a regional
Highway? Is this just a thought or a CALTRANS previous agreement?
Yes, the highly disputed Grand Ave. Agreement has a paragraph in it
stating a road should be there, but remember, a road through Tonner
Canyon is not the only location and a major issues of the of those
who signed the referendum and had environmental concerns. To
conclude that this bypass would allow traffic from the Chino Hills
to connect into Oarnge County... has no meaning without addressing
the full concerns of cost, environmental concerns, and the many
concerns about other issues.
Page 5, Item 3. Economics last para:
"The sphere of infulence area, as well as several parcels in and
around town, represent potential fiscl resources in terms of
municipal revenue." This statement on it's own is totally out of
place. ELIMINATE IT! If it were to remain, it should be stated
that: Peoples concerns about economics must be seriously addressed
with the concerns of preservation of the remaining natures open
spaces left in the City and total respect for Significant
Ecological Area no. 15, that dominates a majority of our sphere of
influence, Tonner Canyon, and development in this canyon be
prevented to maintain this natural area.
These are just a few examples of how I expect the discussions to
proceed in open forum. If I were to continue in writing with all
of my approximently 45 markers in land use, It would take an
extreemly long time to convey the point to you or anyone. I
recommend that we quit all the unecessary input ad get to the
actual reading and corrections of each and every sentence.
Max Maxwell, 3211 Bent Twig Ln., Diamond Bar, CA, 91765
909 861-4121
Tom Van Winkle
21103 Gerndal St.
Diamond Bar, CA. 91789
909-595-0839
CITY OF DIAMOND BAR GENERAL PLAN REVISION
I have been interested in the General Plan -for
several years. In June and July of 1992 I got up before
the City Council with several concerns.
CONCERN #1:
The language in the new General Plan promotes
thousands of new homes.
General Plan Final ... Page V-16, Sec. C., #1, Future
Development in Diamond Bar... reads as follows: THE
LEVELS OF DEVELOPMENT WHICH WOULD BE PERMISSIBLE UNDER
THE.PURPOSED GENERAL PLAN WOULD RESULT IN APPROXIMATELY
6,235 ADDITIONAL DWELLING UNITS; 918,000 SQ. FT. OF
COMMERCIAL USES; AND 887,387 SQ. FT. OF OFFICE AND
BUSINESS PARK USES. THESE ESTIMATED ADDITIONAL
DEVELOPMENT OPPORTUNITIES WITHIN THE CITY WILL RESULT IN
CORRESPONDING INCREASES IN TRAFFIC. ESTIMATED TRIPMAKING
WITHIN THE CITY IS PROJECTED TO INCREASE FROM 348,632
AVERAGE DAILY TRIPS IN 1991 TO 471,174 AVERAGE DAILY
TRIPS IN 2010. THIS REPRESENTS AN INCREASE OF 33% ...
...THE ENVIRONMENTAL IMPACT REPORT FINAL ON PAGE V-16
SAYS: ADDITIONAL TRAFFIC THAT WOULD BE GENERATED UNDER
THE MEDIUM AND MAXIMUM DEVELOPMENT ALTERNATIVES COMPARED
TO THE PROPOSED PROJECT, AS PRESENTED IN THE CIRCULATION
ELEMENT UNDER ALTERNATIVES ANALYSIS. THESE TABLES
INDICATE THAT MORE VEHICLE TRIPS WOULD BE GENERATED DUE
TO THE HIGHER POPULATION, MORE EMPLOYEES AND GREATER
EXTENT OF LAND USE UNDER THESE ALTERNATIVES.
APPROXIMATELY 524,089 AVERAGE DAILY TRIPS AND 7,546,439
VEHICLE MILES WOULD BE GENERATED UNDER THE MEDIUM DENSITY
ALTERNATIVE, WHILE 588,185 DAILY TRIPS AND 8,453,290
VEHICLE MILES WOULD BE GENERATED UNDER THE MAXIMUM
DEVELOPMENT ALTERNATIVE. THESE FIGURES COMPARE TO AN
ESTIMATED 528,427 TRIPS AND 6,926,812 MILES UNDER THE
PROPOSED PROJECT (GENERAL PLAN ALTERNATIVE) AND 347,542
TRIPS AND 5,033,549 MILES UNDER EXISTING CONDITIONS.
THEREFORE, BOTH THE MEDIUM AND MAXIMUM DENSITY
ALTERNATIVES REPRESENT INCREASED CIRCULATION IMPACTS IN
COMPARISON TO THE GENERAL PLAN ALTERNATIVE, WHILE THE NO
PROJECT ALTERNATIVE WILL HAVE CORRESPONDINGLY FEWER
IMPACTS. LEVELS OF IMPACT:
NO PROJECT: DECREASED -- MEDIUM AND MAXIMUM DEVELOPMENT:
INCREASED.
1
CONCERN #2: (see attached table)
This general plan changes land use designations.
See page III -10 of the Final Environmental Report—in
table # III -6 the existing and proposed land uses are
shown very clearly. This information appears again on
page IV -12,
CONCERN #3:
The road through Tonner Canyon.
In the General Plan on page #4 under Land Use, the last
paragraph: THE MIDDLE PORTION OF TONNER CANYON,
REPRESENTING THE CITY'S SPHERE OF INFLUENCE, CONTAINS
SIGNIFICANT OPEN SPACE AND BIOLOGICAL RESOURCES, BUT HAS
BEEN PROPOSED FOR A REGIONAL BYPASS ROADWAY.
... we see the road again under Circulation on the same
page.
...The roadway is mentioned again in the Final
Environmental Impact Report, page V-2, under 03 MAXIMUM
DENSITY ALTERNATIVE.
...On page II -E-16 of the Draft Master Environmental
assessment, the first paragraph indicates the roadway may
not help at all.
NOTE: There is NO protection of Tonner Canyon or
any other canyon in this final copy of the General Plan.
At this stage of the game I am beginning to feel
good about the REFERENDUM and I haven't covered all of my
concerns yet.
CONCERN #4:
TAXES--TAXES--TAXES--TAXES--TAXES and more taxes....
To take just one place in the new General Plan, look
at page I-6 under LAND USE. In the second paragraph it
reads, AS A MEANS OF INCREASING REVENUES, THE CITY COULD
ATTEMPT TO INCREASE PROPERTY TAX BY ESTABLISHING DIAMOND
BAR AS AN EXCLUSIVE COMMUNITY. It goes on and on, but for
now go to the last paragraph, THE THIRD SOURCE OF
ADDITIONAL REVENUES FOR THE CITY WOULD BE NEW OR HIGHER
FEES, TAXES, OR SERVICES ASSESSMENTS. THERE ARE A
VARIETY OF SUCH CHARGES AVAILABLE TO CITIES THAT CAN BE
APPLIED TO EITHER RESIDENTS AND/OR BUSINESSES.
2
Why does our General Plan encourage more glass, more
steel, more traffic, more noise, and higher taxes any
time the City wants to do something... I do not agree
with this.
The concerns that I have noted here are only a few
of the things that I do not like. I have heard people at
the General Plan Workshops say many of the same things.
I have also heard new concerns from the residents/people
at these workshops. These Workshops are good, but please
take note, they are only a good start these ideas should
go to a committee that represents everyone before it goes
to the City for public hearings.
The language in the Diamond Bar General Plan should
be reflective of everyone in Diamond Bar, not just the
Planning Commission or the City Council.
There are over 4,000 registered voters in Diamond
Bar that were totally against the language that was in
the General Plan, and I am one of them. I feel we can do
much better, and if one or two developers in the area do
not like what we want, then so be it. The people of
Diamond Bar make the rules, the elected officials simply
execute them.
I hope the Diamond Bar City Council once again will
show its wisdom and willingness to do the will of the
people. (Copies of the pertinent material referred to in
the General Plan are attached.)
tvw
attachments
3
Tom Van Winkle
6. GOODS MOVEMENT
Goods movement within the City of Diamond Bar occurs primarily through the use of trucks. The City
has established a designated truck route plan. Truck routes direct heavy truck traffic onto arterial and
collector facilities and away from local (residential) streets. This plan helps control noise and air pollution
in residential areas of the City and protects local streets from significant surface damage that might result
from heavy truck traffic. Notch of the combined section of the Omage/Pomona Freeway, it is necessary
for freeway traffic to exit onto Diamond Bar Boulevard when traveling southbound on the Orange Freeway
en route to the eastbound Pomona Freeway; and westbound Pomona Freeway traffic bound for the
northbound Orange Freeway. The section of Diamond Bar Boulevard between the eastbound Pomona
Freeway ramps and the northbound Orange Freeway ramps to the north, and Sunset Crossing Road
between Diamond Bar Boulevard and the southbound Orange Freeway ramps are designated truck routes.
To enable access to the heavy industrial areas of the City of Industry and the City of Diamond Bar north
of Lyeoming Street, truck routes are designated in western Diamond Bar along Colima Road between
Lemon Avenue and Brea Canyon Road, along both Biea Canyon Road and Lemon Avenue north of
Colima Road, and along Walnut Drive. Entrances into the City notify drivers of a five -ton weight
restriction for trucks within the City (except for designated truck routes), in addition to parking restrictions
which limit commercial vehicles over five tons to 30 minutes.
C. PHYSICAL MOBILITY ISSUES
I. FUTURE DEVELOPMENT IN DIAMOND BAR
Ca'p1p,,roximatel
e levels of development which would be permissible under the proposed General Plan would result in
y 6,235 a-WUooal dwelling units, 918,000 square feet of commercial uses and 887,387 square
of ofltee ata business pack treses. These estimated additional development opportunities within the City
resultincorresponding incrases in traffic. Estimated tripmaking within the City is projected to
inc� verage daily trips in 1991 to 471,174 average daily trips in 2010. This represents
increasakpf 33
ISSUE ANALYSIS. The Cily needs policies to address impam to all streeu in Diamond Bar
and establish roadway level -of -service standards.
2• PROJECTED GROWTH IN THE REGION
In addition b iacreasea in traffic attributable toro
Itself, the mill be �cW g wth and development within the City of Diamond Bar
P•by future growth and development in surrounding communities and the
region. Imeased trafiRC in the region will impact Diamond Bar through increased trafRe volumes along
the reg'ood WWRMtsgoa bcilities including Routes 57 and 60 and Grand Avenue. Estimates of future
through tmft ung these facilities were obtained from SCAG model data and incorporated into the City's
travel demand model.
ISSUE ANALYSIS: The City needs policies to address impacts to all stress in Diamond Bar
and establish roadway level -of -service standards.
I
DIAMOND BAR GENERAL PLAN: CIRCULATION
July 14, 1992 V-16
t]
a
0
4
4
4
e
w
CI
u
20. CIRCULATION
Additional traffic that would be generated under the Medium and Maximum Development
alternatives Compared to the proposed project, as presented in the Circulation Element under
alternatives analysis. These tables indicate that more vehicle trips would be generated due to the
higher population, more employees, and greater extent of land uses under these alternatives.
Approximately 524,089 average daily trips and 7,546,439 vehicle miles would be generated under
the Medium Density Alternative. while 588,185 average daily trips and 8.453,290 vehicle miles
would be generated under the Maximum Development Alternative. These figures compare to an
estimated 528,427 trips and 6.926.812 miles under the proposed project (General Plan Alternative)
and 347,542 trips and 5,033,549 miles under existing conditions. Therefore, both the Medium and
Maximum Density Alternatives represent increased circulation impacts in comparison to the General
Plan Alternative, while the No Project Alternative will have correspondingly fewer impacts.
Level of Impact Compared to the Proposed General Plan:
No Proiect: Decreased Medium and Maximum Development: Increased
CITY OF DIAMOND BAR FINAL ENVIRONMENTAL IMPACT REPORT
Add 9.1992
V-16
W'111012mor-.— j
Table III -6
Existing and Proposed Land Uses
Comparison of Population and Employment
7.r.l ,rI
RESIDENTIAL
PROPOSED
Single Family
12,589
19,157
Multi -Family
5,075
4,742
Total Housing Units
17,664
23,899
Pin 1
53,672
72,414
NON-RESIDENTIAL 2
Commercial Acres
181.8
183.5
Square Feet
1.901.000
1,919,010
Employees
3,042
3,070
Office Acres
138.5
192.7
Square Feet
2,293,000
3,190,387
Employees
4,680
6,381
Business Park Acres
83.6
76.4
Square Feet
1,165,000
1,064,955
Employees
1,553
1,384
Parks/Recr/OS Acres
464.2
850.57
Other Uses Acres
998.8
268.14
Vacant/Open Land Acres
2.736.7
0
CI1Y WDE TOTAL
Housing
17,664 units
23.899 units
Population
53,672 people
72,414 people
Buildings
5,359,000 sf
6.174,352 sf
Employees
9,275 workers
10,835 workers
1 popukW4n of proposed rues es W W9d by mulMp"V the total number of units by
ttte currant number of persons per dwelling unit, basad on PfO tk"Y 1990
cerw and Depor~d of Finance data.
2 Number of employees esrimoted bV mufflp"V the building square toofage times
M» number of employees per square foot. For Olarttond flar. $Quare foot per
employee vdue are eMmated of 625 for commercial. 490 for of @, and 750 for
budrt Park.
CITY OF DIAMOND BAR FINAL ENVIRONMENTAL IMPACT REPORT ��
Table 112
Existing Land Uses
(City-wide)
RESIDEMIAL
LAND USES 1
EXISTING USES
ACRES
UNITS
Rura Hillside
855.5
616
Single Family
3656.8
11,973
MuBi-Family,440.1
Business Park
5,075
Condominiums
350.2
4,132
Apartments
67.8
649
Mobile Homes
22.1
294
Subtotal
4,952.4
17.664
NON-RESIDEMIALEXISTING
LAND USES 2
USES
ACRES
SC: FT. "
Commercial
181.8
1,901,000
Office
138.5
2,293,000
Business Park
83.6
1,165,000
Public Facilities
211.7
Pa Recr/0S
464.2
bobpe. Acct/aN dab at load FARs was d0culf to MOP* , because one
FmWMalor Roads
787.1
Subloi+ai
1,866.9
5,359,000
Vacant en Land
2,763.7
TOTAL
9,583.0
CITY OF DIAMOND BAR FINAL ENVIRONMENTAL IMPACT REPORT
J* 9.1992 III -6
1 Dab an resider " war carne kom the Caltomia Deparknent of Finance and
1 "0 Cormut dole. Plortrt V NNwanr also conducted a survey of ffAA-
uNls to dtlenrrir» Specift numbers of urea by type.
r exislhp
2 For non{edderdal umL square feet (io. FLI a bu/dkq area sl+ovm =4"99
oontoweid,
office. and bu*ws poAc uses wen cato*ftd based on
npnserMONne somplss o sltoppirtq centers, ofllee parks, and ktdtskial part wNhh
Olanta+d Bar addMond dab. see the Lord Use Appendix of the Master
fluiidktq area can be esMmalednd baon Floor Ana
bulk6rp ono In square %W divided bV the tad
area
of lite sflr on square be* Far er 1 a 1: ie. a bullcift wM 17.500 square feel an a
1 am sMs (13.640 square " hos an FAR of M40 (17.300 dNWed by 43.3601.
Load bosM►0 oar tpanies wen oaMaeted to oblaln tool sbe and buYd W square
bobpe. Acct/aN dab at load FARs was d0culf to MOP* , because one
>hopD OW cerM may support a mbdun o cal lm1m al, ofAee. and M*xI buskass
pPaarrkk uses. However. 1M k*DwiFARs can be oonsldend nprweruortve ror
p q paper: Catwneroid - .24; Office - 0.33: and eulk�ess Park - 0.32
CITY OF DIAMOND BAR FINAL ENVIRONMENTAL IMPACT REPORT
J* 9.1992 III -6
I. SOCIOECONOMICS (HOUSING)
1. E)mmw SETING
The City of Diamond Bar provided quality affordable housing for the Los Angeles basin during the
1960's and early 70's. As land value increased, especially in hillside areas, housing became more
expensive and supported affluent (upper income) families. Over the 30 years of its development ! I +
history, Diamond Bar has become a modest -sized and ethnically diverse community. Preliminary
1990 census figures indicate that 47 percent of the City's population (53,672) is now represented
by minorities, primarily from various Asian culture. Local housing is primarily single family detached,
although 29 percent of the 17.664 total units are multi -family units. For additional information on
socioeconomics, refer to Section II -1 on Socioeconomics in the Master Environmental Assessment.
2. IMPACTS
Development of the City according to the proposed General Plan will increase the City's population
by 18,742 residents. up to 72.414 (see Table III -6 of the Project Description). The amount of housing
will increase to 23,899 units over. the existing 17,664 units and its composition will remain
predominately single family (80 percent). For additional data on the extent of potential population
or housing impacts within the City, see the Issues and Opportunities portion of Section II -1 on
Socioeconomics in the Master Environmental Assessment.
CITY OF DIAMOND BAR FINAL ENVIRONMENTAL IMPACT REPORT
JW 9, 1992 N-12 i
F. MAJOR ISSUES
Planning for Diamond Bar is driven by three overriding issues which have a multitude of implications
on the City's future:
Land use (including open space)
Circulation
The economics of municipal financing.
While the following sections briefly describe each of these issues in more detail, it must be
remembered that they are inexorably woven together to form the fabric of the City.
1. LAND USE
Diamond Bar is primarily residential, which contributes to the overall rural atmosphere of the City.
However, this condition creates a lack of land to provide needed goods, services, and jobs, so that
residents are forced to drive to other communities to shop and work.
White much of the City is already developed, there are still some undeveloped canyons and
hillsides left in the City that could represent significant open space resources for residents.
Development over the post 30 years has concentrated on creating views from residential hillside
lots, and not necessarily what views were like of the hillsides. Many choices are needed as to if or
how the City wants its remaining open land to develop, especially land that may have been
designated or restricted as open space by previous development approvals through the County.
a
The mLgg aport` of Tonner Canyon, representing the City's sphere of influence, contains
significant open space and biological resources, but has also been proposed for a regional bypass
roadway.
2. CIRCULATION
Diamond Bar's location gives residents excellent access to regional resources. However, it also
causes several of its local streets to be used as freeway bypasses by commuter traffic. The City's
location meant that it doesn't need as many amenities (such as libraries and museums) within the
town, but R alto means that residents often must drive out of town to go shopping or for
entertainment.
C
nner Canyon (the City's sphere of influence), has been proposed as the location for a regional
pass roadway, which would connect State Route 71 to Route 57. This bypass would allow traffic
m the Chino Hills to connect into Orange County without going through the congested 57/60
erchange, and without using local streets within Diamond Bar.
CITY OF DIAMOND BAR GENERAL PLAN INTRODUCTION
July 14, 1992 d
4
No PROJECT ALTERNATIVE
The first alternative, the "No Project' Alternative, is required by CEQA. In this EIR, the "No Project"
Alternative has been defined as maintaining the presently existing land uses and buildout
assumptions, and were obtained from the Master Environmental Assessment for the Diamond Bar
General Plan (July 1991). This alternative does not include provision for a regional roadway within
Tonner Canyon, the City's sphere of influence.
2. MEDIUM DENsrrY ALTERNATIVE
Alternative 2, the Medium Development Alternative, would allow more housing units in the City (as
compared to the proposed General Plan) by increasing the development intensity on remaining
vacant and open lands. In addition, commercial and office development would be increased in
comparison to the General Plan Alternative. This alternative also does not include provision for a
regional roadway within Tanner Canyon.
/ 3. MAXIMUM DENsrrY ALTERNATIVE
Alternative 3, the Maximum Development Alternative, includes the most intense land use and
development options, converting much of the remaining open land to low to moderate intensity
urban development, in comparison to the General Plan Alternative. Several areas would be
developed into mixed-use areas, and a mobile home park would be relocated to allow
development of a business park. In addition, several small condominium developments and some
church parcels would be designated for commercial development, and some older single family
residential areas would be designated for higher intensities (from 4-5 units per acre to 6 units per
acre). This alternative includes the provision for a regional roadway in Tonner Canyon, the City's
,schere of influence.
CITY Of DIAMOND BAR FINAL ENVIRONMENTAL IMPACT REPORT V-2
rr.a lam
CITY OF DIAMOND BAR GRAFT MASTER ENVIRONMENTAL ASSESSMENT
"2
U -E-16
here of influence also represents a significant challenge to the City in terms of balancing the
�siblWy of protecting regional open
space and biological resources versus the need for
al transportation solutions and development that could provide
additional City revenues. The
major issue regarding the sphere Of influence is a regional connector roadway. Although
s roadway would provide temporary
Lfeencea'sc
relief In terms of traffic congestion within Diamond Bar,
traffic, generated by growth east of the City, wiU naffic mate°rnlong-term
benefits. It is I kelt'
congestion would be back fo existin
ay However, it Is 0 levels within 5 years after opening the new
possible to build
such a roadway outside of Tonner Canyon fo the east,
hino HIU$. This would provide traffic relief as weU as help preserve the sensitive
er Canyon,
resources
_
-
The City should also consider annexing some additional open lands along the west side of Brea
Canyon Cutoff. The most likely areas are the canyons
7and ridges adjacent to Brea Cutoff and the
AAway. around the Arciero Business Park The natural slopes and canyons surr
Arclero prolect should be preserved.
as weU as the heavily wooded canyons along Br'
eaCutof .
Additional residential development could be planned for the ridges, while some freeway
commercial development could be added near the on-off ramp
areas.
However, the City should NOT consider annexing any of the existing residential development west
from the 37 Freeway over to Nogales in Rowland Heights.
This area (west of the current City
boundary) contains mainly residential uses and very little freeway commercial uses that could be
self-Supporting In terms of City finance$.
This area Is also within the
boundaries of Rowland Heights• and the Los Angeles County Local
has
Agency Formation Commission
Previously denied the City inclusion of this area Into Us Sphere
of influence.
CITY OF DIAMOND BAR GRAFT MASTER ENVIRONMENTAL ASSESSMENT
"2
U -E-16
a
D. COMMUNITY DEVELOPMENT ISSUES
The four major land use issues identified in the Master Environmental Assessment are: 1) land use mix
(including open space and economic implications); 2) capacities of the natural and man-made environment to
accommodate growth (infrastructure and service costs); 3) City image, including community design and land
use compatibility); and 4) local versus regional needs and shots -term versus long-term solutions (especially
concerning circulation).
1. LAND USE MIX
a. Disposition of Remaining Open Lands
Determining the status of remaining open lands within hillside areas is a major policy decision facing the
City. As put of the General Plan, an "Open Land Survey" was conducted to identify possible development
restrictions that might have previously been approved by the County. The survey found that various types
of notations and restrictions had been placed by the County on the subdivision maps cheating these open lands.
In some case, deed restrictions were imposed to ensure that development would not occur on open lands;
however, many other notations and "restrictions" were ambiguous.
ISSUE ANALYSIS: Those open lands which have been deed restricted should be considered to
be permanent open space, even if no dedication to a public agency has
occurred In the absense of clear deed restrictions, the lands analyzed in
the Open Land Survey should be considered to be vacant land.
b. Economics
The City presently has a modest budget with a small operating reserve. Municipal costs generally tend to
increase faster than revenues, and service needs can be expected to increase faster than services can be
provided. Therefore;, the City should control service costs while seeking ways to increase City revenues. City
governments have two ultimate sources of revenue: local residents and businesses.
As a means of increasing revenues, the Cit ►_ y% d attempt to rt+ tax revenues by establishing-
' and Bar as an exclusive comm"" This might be accomplished by significantly lowering allowable
densities on remaining vacant land and encouraging development of remaining vacant lands as guard -gated
communities. While reale and new houses in the City command fairly high prices (slightly over $300,000),
market research slows that home prices must exceed half a million dollars before property tax revenues
approach mnnieipal costs for service. In addition, after the passage of Proposition 13 in 1978, cities receive
a much lower jimportion of their revenues from local property taxes. Available data also indicates that lower
priced single !'briny, condominiums, and other attached multi -family housing cost proportionately more for
services than *ay Sonoma revenues.
A second source of additional revenue to the City would be in sales taxes generated by expanded or new local
businesses. In general, market research shows that retail commercial uses generate significantly positive
municipal revenue$ compared to costs. By comparison, business park uses generally "break even," while
office used cost more to serve than the revenues they produce for a City.
. The third source of additional revenues for the City would be new or higher user fees, taxes, or service
asae$sments. There are; a variety of such charges available to cities that can be applied to either residents
and/or businesses.
DIAMOND BAR GENERAL PLAN: LAND USE
L.1 - 1A 209n _- TIC
r��W✓�l/11-f- LV�Tree vrd_r_n_` _eor Ea -
Su
Cit; oL,y-:crd =a-
Subm'tted by
ion Schad 71' ,cc
Tree Ordinance for the City of Diamond Sar
----Ordinance To. 66 ----
Coals
The prine importance -f a tree ordinance is to establish a set of recog±ized standards
pertaining to the preservation of all trees regardless of their species fror.. damage, removal
or endangerment from any cause.
Sa 8814 by Senator Hart, has clearly indicated the importance of a balanced interde?endent
ecosytem for even the human race, as at this present time, mankind, primarily by large 1 -gid
developments, fires and timbering are destroying perRantely one species of Ilfe, either plant
or animal at the rate of one,(1), per day. Please note, this is forever. "If this trerii
continues into the next decade, many scientists warn the rate of extinction nay increase at
the estimated rate of one per day. ""Uncontrolled and indiscriminate destrictior of trees WIT
have a detrimental effect on the ge-erz1 public".
The prime source of oxygeon on thi; planet is from vegitatior., esrecially trees. ;s_le fro: -
their beauty, they contribute also to the comforts of man, conserve energ%:, soil erosion control,
Protect wild life, and enhance the beauty of homes and the community as a whole. City and
hone values are also improved due to trees and other plant for,ns.
7herefors, this ordnance, under the control or the City of D aTor_d Bar s`:all inforce V —
follor,in- units of tree : re3er,raticn, care, planting, re;-.cvai and other controls as raV. L.=
recuirsf, a^ per follow:rd outlines, ds',._.R=ti•^.._ 8'1 EX:lc_I:atiOn�.
66 -In 'iP.;ch tree, or .:hattsees.
All trees, whether the,, be Oak, Sycar:ore, Slic;: %'alnut, eucalyptus, Pines, Cedars,
Caltal- a and others, as exampl:r, will fall under the guide lines o: this ordinance.
66-11 Protection, Preservation, Care and Utilization.
a. Any area from the trunk of a tree to fifteen (15) feet bey-onl the drip line of
t!le folia.`e at the greatest reach of the limbs will ndt be distured in any manner, whether:i
grading, storags of substances, spillage o_` substances, pipe lines, black top, concrete or
any construction grading requiring digging will require an evaluation of each and every tree
under consideration before any permits are rendored. also no tree houses or obstruction to
natural water and nutrients. Defacing by any manner will be outlawed.
b. Preservation and care must be adamant at all times. Spraying for diseases will be
under the guidance of a knowledgeable botinest. Feeding and fertilizing as required rust
also be carefully controlled.
Ce Utilization pertains to area changes around trees. Will they fit into lardscapino
for natural beauty? Will they become a hazard to the public, power companies, travel or
other factors that may influence human habitation? Project developments where existing trees 2 -re
will require every effort to accept the trees without removal.
d. Pruning must not exceed 20% on any tree with the exception of any species of Ca',,
unless permitted by inspection of responsible parties, andJ;it is determined hazards may b,2
present to the puclic, structures and or utilities. Cat's will be limited to 10`4. Any
will require -,)err.its if fola,;ze and limbs exceed 20?. extent. rakc U, -A r , MTP tri t. __ _
All nature of the work must be visually insrected by the responsible cite derart--?.,t
before work is commenced. Requirement of ner^ite wil. be determined at this tire.
of dead brances will not require a .er-it, nor :ill t:: ^.e re-_oval of a dee-. tree. _sea
with the possibility of infecting others will not require a pe =. t taut evalu`tion by
competan t authority is required. Any tree re-roved due to disease will require treat:, nt
of the soil effected in the imme!iate area of the tree.
e. Any tree damaged by an act of (:cd will be carefully surveyed for repair, braci:-
or prLnirg as necessary unless the damn a is to such extreme as to cause the deet!•: o:
the tree or dar.g=r to the public, utilit'_es or structures. Rer.oval, after r_s-,ect-0!7
under these conditions nay be by 7r`_vate party or the City 0= DiaTerd =2r. ;,e,•-it
will be required.
66-12 Disease' Trees.
a. :`seased trees centainin„ any of the folowin�-, as an ex=_ -:ie, Heart r.ot,
exfoliatior., s -'--e Flux, crc:,rn rot, eXUc:=':.ions, le_.f scorth and root f:zn7a C%1c'-, 1c
ar•^illaria 7i:st be revalued and treated in a. effort to restore or save then.
b. Lnfestations or insect rests such a!,
parasites, bores, galls and twig girdlers wM
spraying or treatment as required.
66-13 Da -,aged trees.
ter-.ites, pit scale, caterpillars, -'ant
require carrfull evaluation an,! .)rc:jer
Any tree damaged, other than an act of God, will be replaced by the person or persons
responsible for the damage. unless corrects.)le. Any man made vehicle, conveyance, or
mechanical device operated by man that causes damage or death to any tree will be res-cr,s'_b
for the damage as to be required to replace or repair as determired•by the City of Dia'Ic"d
Bar's office of responsibility. Should replacement be required, a two for one will be
adheared to and the size of the tree will be determined from the chart in section. 66-2^.
Species will be determined by the authority of the controllin;r nrfica of the city.. All
decisions will be firalunless hearings prove otherwise, and as directed y the office
of the City Nanarer and or his recomendations.
66-14 Penalties.
Any persons danaging any tree, or removing any tree without a permit will be subject to
a misdeamer charge and fined as followsc
a. Damage to a tree beyond care and prsnin7 to restore its original apearance
will be cause for a fine of $1000.00, or 6 months in jail or both:; for each instance.
b. Removal of any tree without a pern'_t or for any reason not previously
covered will be fined $2000.00, and or 6 month in jail or both for each instance and
also require a three to 1 replacement by the city department responsible.
66-1.5 Heritage Tree.
a. A Heritage tree, or group of trees with a historical value and may pertain
to a specific event in the community history, or is a natural feature of the community,
or of national historic significance, as determined by the City Council, or,
b. is significant in the period of the City's growth, or,
c. is a historic or a cultural resource, or,
d. has been designated forprotection under the endangered species act, which
also sets standards for precise plains or designs for simular development approval, c-
----Crdinance :do, 66---- j
C, • << _ ,
66-16 Multi -trunked tree shall mean any tree with a division of its main trunk at less
than 4 feet from the highest grade point, where 2 or more trunks equal 8 inches or mcre.
66-17 Any tree located on city property that may cause local concern by removal shall
require a hearing 15 days before any action can be tsken. The City Manager may make the
final decission.
66-18 Private property shall mean land that is not owned by a government agency.
66-19 Significant Tree.
a. A significant tree shall mean any tree that is located on private property
that falls into the following catagorys:
1. Has a height of 20 feet at least and a diameter of 8 inches or more as measured
4 feet from the highest slope of the ground at the trunk of the tree.
2. Has a height of 10 feet at least and a diameter of 4 inches or more as measured
from the highest slope of the ground at the trunk of the tree.
3. Lot size or effect to property use of each situation will require a written
report to the City Council for final determination, should any permit be required.
4. Lot size should be determined by the City Council based on square footage
regtirements of structures versis land uses. Recomend that a significant tree be deleated
from property of less than one acre, subject to review of the department of the city
covering landscaping.
22-20 Tree replacement Chart.
Width -of tree
removed:
6" and smaller
6-14"
15-29"
30" & over
66-21 Removal.
Number
Repalce
Kinimum
Removed:
With:
Size:
1
4
24" box
1
4
36" box
1
4
48" box
1
4
60" box
Removal pertains to severance of the main trunk, trunks, up rooting cutting or
any action as per 66-13 which causes the tree to die.
66-22 Protection.
Protection shall pertain to the complete safeguarding of any tree, as per section
66-19, during a construction project, maintenance, fertilizing, pruning and treatments
as per section 66-11, a and b.
66-23 Removal of any Heritage or Significant trees or as spelled out in chart 66-20.
66-24 Permits, Conditions and Approval.
a. Tree removal permits shall include such conditions as are appropiate to effect
t!.e rurooses of this tree ordinance. These conditions may include, but are not limited
to the follcwi ng:
----Ordinance No. 66----
b. Relocation of a significant or heritage tree that is to be relocated on tr.e
building site, the owner or applicant shall submit a letter from a licensed professional
describing the relocation method to be used for all trees slated for relocation, and sl -.all
provide the City with a five, (5), year survival guarantee. Should the tree(s) not
survive the five (5) year period, replacement shall occur in accordance with 22-20.
66 -?5 Required Protective Measures.
a. No grading construction, or construction related activities shall occur
within the drip line of a heritage tree or a significant tree as defined by this ordinance.
See, 66-11. This includes but is not limited to storage of materials, grade cgan_es,
or attachment of wires to or around tree trunks, stems or limbs. There will be no nailinz
of supports, lumber or forms of any kind.
b. No structure or impervious paving shall be located within the drizline or
within a six (6) foot radius of the trunk perimeter., whichever is greater, of any
heritage or significant tree. Atree with a trunk of 30 inches or moreshall require
additional soace considerations as determined by the City landscape. architectural
consultant or Dar'. {s director.
c. Heritage and significant trees shall be shielded from danafre during any
construction projects a chain link fence enclosing the entire dripline area. All exposed
roots shall be inside the fence or barrier, and shall have aheiirht of 6 feet as r.easured
from the Grade level. In all cases where a protection barrier is ro be used arounc a
protected tree, the t rrier shall be installer prior to commencement of any develc man'_ cn
t`a site and shall remain in place thrpug~out the construction period.
d. Eranches that could be injured by vehicles or that interfere -cy b,: 7r-un�4-
to the satisfaction of ti,e City landscape arcnitectu'= l consultant or '_esi=ncc.
,/,,7',6-26 Application Contents.
,. The Commu,=ity Develop^.ent Director may, before aaceptir,, a aprlicatior:- for
a tree re.r.oval perm for development review as compete, may require t"e followir,_ s
b. A ccmpreshensive survery of all trees subject to this ordinance, including
but not limited to species, number, height, size, age and diameter. Also condition,
historic significance, and location, including possible effects to the comr,,.inity. Sal:
plan, shall include both tables and a s_te plan at a scale determined by the City
landscape architectural consultant. Said plan shall further tabulate the nurber cf trees
to be removed and also contain a written justification for removal.
c. Any other items required by the Community Development Director or his
designee appearing on the application checklist.
66-27 Appeals.
a. Any interested party may appeal any determination of the CoTmunity
Development Director or his designee made under this ordinance to the Plarnin:,
Commission or other office having jurisdiction, by filing a written notice of appeal
with the proper office within 10 days of the issuance of the notice of determination.
b. Upon receipt of a timely appeal from a decision of the Community Developme:;t
Director or his designee, The Community Development Director shall set a hearing on the
matter before the Planning Commission or the City Council. Not less than ter. (10) d-ays
prior to the hearing date, notice of time, date, and placeof the hearing shall be mailed
to the arrollant, a llant, and the property owners residing within 300 feet of the
property ib question After the hearing on an appeal, the commission may reverse, affir:'.,
ormodify the decision of the Hommunity Development Director.
----0rdinance No. 6C----
66-28 Penalties.
Each and every violation of this ordinance shall be a vitiation of this ordinance
in every instance and each person or persons shall be guilty of a seperate offense for
each and every heritage and significant tree illegally damaged or removed. See 66-14.
66-29 Severability.
a. If any provision, section, clause or phrase of this ordinance, or the
application of the same to any person or set of circumstances is for any reason held
to be unconstitutional, void or invalid, the validity of the re maining portion of this
ordinance shall not be effected thereby. The City Council hereby declares that it would hav
passed this ordinance, and each section, subsection, sentance, clause and phrase hmreof,
irrespective of the fact that one or more of the sections, subsections, clauses or-phras=_s
hereof be declared invalid or unconstitutional.
b. Twelve. (12) months after the effective date of adoption of this ordnance,
the Community Development Department shall conduct a review of the standards and
procedures set forth in this ordinance to determine their effectiveness and shall report
to the City Council whether further revisions to the ordinance ore appropriate.
c.. The Mayon shall sign and the City Clerk shall certify to the passage of this
ordinance and shall cause it to be published and posted pursuant to the provisions of
law in that regard, and this ordinance shall take effect thirty(30) days after its
final passage.
APPROVED AND ADOPTEZ-) THIS ------day of ------ ,------
Mayor of the City of Diamond Bar
Attest:
City Clerk
Please note. In an effort to assist our new City of Diamond Bar, I have taken it upon
myself to prepare a Tree Ordinance to become part of your general plan. Several Cities
have assisted me in providing copies of their tree plansand ordinances which have been
most usefull. The City of La Vern, The City of San Marino, and the City of Los Angeles
have been most helpfull and my sincere thanks go out to them. Also making recoemdations
were several persons of the U.S. Dept. of Fish and Game along with several professors
of botany in local colleges. Please feel free to make any changes you deem fit, however
in view of so many projects looming, I feel rapid adoption is paramount to save what is
remaining of,the beautifyl trees and canyons in our new city. Thank you.
DovAi .4K0CR
714 595 631
Page 5
Tonner Canyon
Wilderness Conservancy
1824 Shaded Wood Road, Diamond Bar, CA 91789 - 909 595-6316
City Of Diamond Bar
Parks and Recreation Commission
21660 East Copley Drive, Ste. 100
Diamond Bar, CA 91765
Dear Park Commissioners:
December 29, 1992
It has been quite some time since I have attended one of your meetings that have
always been cordial and enjoyable. Your courteous attentiveness to the citizenry is
appreciated when expressing their ideas and concepts toward a better city and it's
recreational needs.
Your meeting of December 17, 1992 surpassed past meetings due to your logical and
farsighted recognition for the future of this City. Particularly emphasis on this point
was obvious with Commissioner David Schey's excellent research and documentation
of many other City's park and recreational needs that he presented at this meeting.
Commissioner Schey's presentation was of special interest to me in regards to the
open space and hiking trail requests of citizens in outlying communities. These results
as indicated in the graph and charts exceeded all other recreational activities in every
category. A survey in our city will probably provide the same information on
recreational needs.
Fortunately, we have in our City an incredible wilderness area known as "Sandstone
Canyon". This canyon is easily accessible to everyone and would provide a wide
range of additional recreational activities. I'm sure this canyon can expand the
recreational programs beyond the level of any community for miles around. This is
our "Grand Canyon"
Please note my recommendation submitted to the EIR for the South Pointe Master
Plan project.
Mr. Hardy Strozer's comments were well done as he has exceptional qualifications
however, he failed to address the aesthetic and recreational values that exist in this
canyon. Also, the tour that the Planning Commission took to evaluate this wilderness
was inconclusive as 30 minutes is insufficient time to see 171 acres of some 3,000
trees in this wilderness area.
The values are so enormous as to be beyond verbal expression, so I wish to suggest
you view this canyon for your own analysis. There is no other way to determine this
valuable natural asset in our own city which incidently requires no maintenance. This
Le
CITY OF DIAMOND BAR
Preliminary Draft Revisions to the General Plan:
Based upon input received three the Community Workshops- Rounds I & II;
Held April 21, 24, 28, and May 1, 1993.
r
Prepared by:
Cotton/Beland/Associates, Inc.
Pasadena/ San Diego, CA
Austin -Foust Associates, Inc.
Santa Ana, CA
Moore Iacofano Goltsman, Inc.
Berkeley/Los Angeles, CA
May 7, 1993
Prepared for use at the May 12, 1993 Policy Direction Workshop
I. OVERVIEW:
The following material consists of suggested revisions to the General Plan
document dated July 14, 1992. This document serves as the draft General Plan
which will be the subject of public hearings before the Diamond Bar City Council
next month.
The revision process has been designed in response to City Council direction to
review four major areas:
1) Amount and type of future residential development;
2) Open space preservation;
3) Reduction of traffic congestion on local roadways; and
4) The Tonner Canyon transportation corridor.
The Community Workshop Series has provided an opportunity for interested
residents of Diamond Bar to offer comments and suggestions for this revision
process. Over 200 individual comments have been recorded, reviewed and
analyzed by a team of planning and transportation consultants. These
preliminary revisions are offered for review and discussion at the next
Community Workshop to be held on May 12, 1993.
These proposed revisions are organized to conform to the structure of the draft
General Plan. Both "existing" and revised language are shown to illustrate
proposed changes. (For the sake of clarity in the Workshop discussion, such
changes are illustrated only for the major appropriate section of the General
Plan. Related text in other sections would be revised to conform to selected
language).
After community discussion, these revisions will be changed or confirmed as
needed to provide appropriate "fine tuning" of the General Plan.
II. COMMUNITY WORKSHOP DIRECTION TO DATE:
The output of the Community Workshop series illustrates a focus of participant
concern about several main issues:
C Definition of "open space" lands and means of acquisition;
o Potential build -out density for existing single family detached
neighborhoods;
e Regional traffic congestion impacts on local streets such as Grand
Avenue and the Sphere of Influence area; and
• Underutilized "commercial strip" facilities and lack of desired retail
shops to meet residents' need and to increase City sales tax revenue.
Although there is an obvious divergence and diversity among participants, the
results to date suggest several areas of clear direction which can be used to form
revisions to the Draft General Plan. Accordingly, the consultant/staff team has
prepared the following suggested changes for review and consideration
Additional changes are expected to result from Workshop discussions, and will be
presented at the public hearings.
L REVISIONS TO "INTRODUCTION", PAGE 3:
'The community participation process also includes public hearings before the
Planning Commission and City Council prior to General Plan adoption."
Following the GPAC process, public hearings before the Planning Commission and
City Council; and adoption of an initial version of the General Plan, the City
Council established a Community Workshop process to allow participation in further
Plan revision prior to public hearings.
Comments:
2
2. REVISIONS TO "MAJOR ISSUES% PAGE 4:
"The middle portion of Tonner Canyon, representing the City's sphere of
influence, contains significant open space and biological resources, but has also
been proposed for a regional bypass roadway".
The Diamond Bar Sphere of Influence (3,591 acres), a portion of Tonner Canyon,
contains significant open space and biological resources The Firestone Boy Scout
Ranch and oil production activities to the south have been the only intrusive uses.
However, regional circulation studies have proposed a transportation corridor.
"Toner Canyon (the City's sphere of influence), has been proposed as the
location for a regional bypass roadway, which would connect State Route 71 to
Route 57".
Studies for a transportation corridor in the Sphere of Influence/Tonner Canyon area
suggest a start at Grand Avenue east of the Diamond Bar City limits, connecting to
Route 57 near the City of Brea in .Orange County.
Comments:
3
3. REVISIONS TO "LAND USE", PAGE I-6:
"a. Disposition of Remaining Open Lands"
a Determination of Deed Restriction Status
"ISSUE ANALYSIS: Those open lands which have been deed restricted should
be considered to be permanent open space, even if no dedication to a public
agency has occurred. In the absence(sic) of clear deed restrictions, the lands
analyzed in the Open Land Survey should be considered to be vacant land".
(ADD) There is a need for clarification and confirmation of existing deed
restrictions which affect vacant land proposed for development.
b. Open Space Definition and Preservation (added)
There are many different types of open space. Natural types include undisturbed
hillsides, ridges and canyon bottoms Man-made open space can range from graded
hillsides that appear lhatural ", to active recreational areas such as parks and golf
courses The City must determine which lands will be defined as "open space' which
would preclude development, and thereby require acquisition of private property
rights.
Techniques and tools used for open space acquisition range from outright purchase
to transfer of development rights or exchange of entitlements to shift allowable
development to non -open space areas. Other options involve use of benefit
assessment districts, grants from other agencies and conservation groups, etc
ISSUE ANALYSIS: There is a need to define and map selected "open space"
within the City and to implement a feasible open space acquisition program.
Comments:
4
4. REVISION TO "LAND USE", PAGE I-8:
"Diamond Bar presently provides a number of 'short cuts' for regional commuters
during periods of freeway congestion. The City may choose to continue to
absorb' through traffic, and depend on other agencies, such as the State, to take
appropriate measures to relieve regional congestion which would ultimately free
up local roads for predominantly local use. However, the City's vision or goal is
to reserve most of its streets for local traffic, and it should explore the �-
opportunities".
Duma eptly impacted by regio eters who seek to avoid
freeway congestion by using recognizes than effective G�
circulation solutions regional cooperation y cies:
/LIt4�1'� �yl .dlftall� 7rYtC!1��1 !?
7,
S. REVISION TO "LAND USE% PAGE I-9:
Strategy 1.1.1.c "Designate existing single family detached residential
subdivisions are (sic) Low Medium Density Residential (RLM) on the Land Use
map. The maximum density of Low Medium Residential areas will be 6.0
dwelling units per gross acre (6 du/ac) within these areas."
'Designate existing single family detached residential subdivisions as Low Density
Residential (RL) on the Land Use map. The madmum density of such Low
Density Residential areas will be 3.0 dwelling units per gross acre (3 du/ac).
Comments:
6. REVISION TO "LAND USE", PAGE I-12:
Strategy 1.3.4.: "Encourage the rehabilitation, refurbishment, and/or expansion
of existing uses that generate sales tax revenue to the City, where consistent with
other provisions of the General Plan and Development Code."
j
e e rete rehabilitation, refurbishment, andlor expansion of existing
siness rhr este 'sales tat revenues to the City, where consistent with other
provisions of the General Plan and Development Code-
Comments:
ode
Comments:
-��ewlr'I
l^��<�'�
7. REVISION TO "USE', C -«L
LAND PAGE 1.13: CH
46 e,ens
(AD Strategy 1.3.7.: Undertake an economic development action plan to targe(
�s2491
I expand the range of goods and services available
' to local residents and to generate needed sales tax revenue
Comments:
-Fx���� C�lftlE�f!l!L/i�y�f�ll01/O .sem r�1
6
8. REVISION TO "LAND USE", PAGE I-14:
Strategy 1.5.1: "Maintain an inventory of previous dedications, designations, or
decisions regarding open space made by the County of Los Angeles and the City
(sic) require developers of vacant land to provide appropriate title or other
ownership documents to identify any development restrictions on the property."
Establish and maintain a public record of best available information concerning
development restrictions on existing vacant land Require potential developers to
provide a title report or other acceptable documentation of deed restrictions as part
of the development application process
Strategy 1. 5.3 (added): Define "open space" lands as vacant, undeveloped properties
to be retained for purposes of visual amenity, environmental resource protection, and
fire/slope stability hazard abatement Such open space land will require public
acquisition or private owner dedication for public stewardship. Recreational
facilities, both active and passive, which incorporate undeveloped land are. not
included in this deftnition.
Comments:
r
,ale� P_C j7L� �� •
'2�
' <c•7' 7'j C'Q
C�rt�llGx< lTi%l� Q 11 /2?%1CCl�/Zt .
Vi
9. REVISION TO "CIRCULATION", PAGE V-15:
"Future Development in Diamond Bar: The levels of development which would
be permissible under the proposed General Plan would result in approximately
6,235 additional dwelling units, 918,000 square feet of commercial uses and
887,387 square feet of office and business park uses. These estimated
additional development opportunities within the City will result in corresponding
increased in traffic. Estimated tripmaking within the City is projected to increase
from 348,632 average daily trips in 1991 to 471,174 average daily trips in 2010.
This represents an increase of 33 percent."
'Future Development in Diamond Bar. The levels of development which could be
permitted under the General Plan could result in approximately additional
dwelling units, sq. ft. of commercial uses, and sq. ft of
oljlce/bunness 7Z Fuseit Estimated tn'p generation within is projected to
increase from roughly to average..daily trips-- an increase of
about _ percent.
Comments: ,,�
4 - re
/ � 1
10. REVISION TO "CIRCULATION", PAGE V-19:
Add new Exhibit V-4 to illustrate Master Plan of Circulation (consistent with Table
V-6).
Comments:
0
11. REVISION TO "CIRCULATION", PAGE V-21:
Strategy 1.1.4: "Identify a transportation corridor through Tonner Canyon. The
environmental impacts of transportation facilities within the corridor must be
minimized and must demonstrably benefit the City of Diamond Bar. The City
will further require that any proposed transportation facilities be explicitly
demonstrated as acceptable to the City (see also Land Use Strategy 1.6.3)."
Strategy 1.1.4: Work with adjacent jurisdictions in the evaluation of regional
transportation linkage options through the easterly portion of the Sphere of Influence
area which recognize environmental sensitivity (see alsa Land Use Strategy 1.6.3).
Comments:
12. REVISION TO -CIRCULATION', PAGE V-23:
Strategy 2.2.2.: " Through the roadway system, ensure that new development
within the Tres Hermans Ranch property is integrated into the community of
Diamond Bar."
Enswe that the proposed high school site within the Tres Hermans Ranch property
is physically integrated into the community of Diamond Bar by appropriate roadway
alignment and design.
Comments:
13. REVISION TO ADOPTED LAND USE MAP:
Add designation to Tres Hermanos Ranch area to reflect new high school site,
Alma, need to revise map to reflect proposed reduction in land use intensity for
existing single family subdivisions.
Comments:
10
i
CITY OF DIAMOND BAR
Preliminary Draft Revisions to the General Plan:
Based upon input received thru the Community Workshops- Rounds I & II,
Held April 21, 24, 28, and May 1, 1993.
Prepared by.
Cotton/Beland/Associates, Inc.
Pasadena/ San Diego, CA
Austin -Foust Associates, Inc.
Santa Ana, CA
Moore Iacofano Goitsman, Inc.
Berkeley/Los Angeles, CA .
May 7, 1993
Prepared for use at the May 12, 1993 Policy Direction Workshop
I. OVERVIEW:
The following material consists of suggested revisions to the General Plan
document dated July 14, 1992. This document serves as the draft General Plan
which will be the subject of public hearings before the Diamond Bar City Council
next month.
The revision process has been designed in response to City Council direction to
review four major areas:
1) Amount and type of future residential development;
2) Open space preservation;
3) Reduction of traffic congestion on local roadways; and
4) The Tonner Canyon transportation corridor.
The Community Workshop Series has provided an opportunity for interested
residents of Diamond Bar to offer continents and suggestions for this revision
process. Over 200 individual comments have been recorded, reviewed and
analyzed by a team of planning and transportation consultants. These
preliminary revisions are offered for review and discussion at the next
Community Workshop to be held on May 12, 1993.
These proposed revisions are organized to conform to the structure of the draft
General Plan. Both "existing" and revised language are shown to illustrate
proposed changes. (For the sake of clarity in the Workshop discussion, such
changes are illustrated only for the major appropriate section of the General
Plan. Related text in other sections would be revised to conform to selected
language).
After community discussion, these revisions will be changed or confirmed as
needed to provide appropriate "fine tuning" of the General Plaa
II. COMMUNITY WORKSHOP DIRECTION TO DATE:
The output of the Community Workshop series illustrates a focus of participant
concern about several main issues:
e Definition of "open space" lands and means of acquisition;
e Potential build -out density for existing single family detached
neighborhoods;
e Regional traffic congestion impacts on local streets such as Grand
Avenue and the Sphere of Influence area; and
0 Underutilized "commercial strip" facilities and lack of desired retail
shops to meet residents' need and to increase City sales tax revenue.
Although there is an obvious divergence and diversity among participants, the
results to date suggest several areas of clear direction which can be used to form
revisions to the Draft General Plan. Accordingly, the consultant/staff team has
prepared the following suggested changes for review and consideration.
Additional changes are expected to result from Workshop discussions, and will be
presented at the public hearings.
1. REVISIONS TO "INTRODUCTION", PAGE 3:
'The community participation process also includes public hearings before the
Planning Commission and City Council prior to General Plan adoption."
Following the GPAC process, public hearings before the Planning Commission and
City Council; and adoption of an initial version of the General Plan, the City
Council established a Community Workshop process to allow participation in further
Plan revisionprior to public hearings.
Comments:
t 'Xn-�
.:1 LA `fCJ�Y
/` G
v
Y! e/
2. REVISIONS TO "MAJOR ISSUES% PAGE 4:
"The middle portion of Tonner Canyon, representing the City's sphere of
influence, contains significant open space and biological resources, but has also
been proposed for a regional bypass roadway".
The Diamond Bar Sphere of Influence (3,591 acres), a portion of Tonner Canyon,
contains significant open space and biological resources The Firestone Boy Scout
Ranch and oil production activities to the south have been the only intrusive uses.
However, regional circulation studies have proposed a transportation corridor.
"Tonner Canyon (the City's sphere of influence), has been proposed as the
location for a regional bypass roadway, which would connect State Route 71 to
Route 57".
Studies for a transportation corridor in the Sphere of Influence/Tonner Canyon area
suggest a start at Grand Avenue east of the Diamond Bar City limits, connecting to
Route 57 near the City of Brea in Orange County.
Comments: All�-
i J �^
497 te-el
I
1 n
��' , 1, 1. �3
3. REVISIONS TO "LAND USE", PAGE I-6:
"a. Disposition of Remaining Open Lands"
a. Determination of Deed Restriction Status
"ISSUE ANALYSIS: Those open lands which have been deed restricted should
be considered to be permanent open space, even if no dedication to a public
agency has occurred. In the absence(sic) of clear deed restrictions, the lands
analyzed in the Open Land Survey should be considered to be vacant land".
(ADD) There is a need for clarification and confirmation of existing deed
restrictions which affect vacant land proposed for development.
b. Open Space Definition and Preservation (added)
There are many different types of open space. Natural types include undisturbed
hillsides, ridges and canyon bottoms. Man-made open space can range from graded
hillsides that appear "natural' to active recreational areas such as parks and golf
courses. The City must determine which lands will be defined as "open space" which
would preclude development, and thereby require acquisition of private property
rights.
Techniques and tools used for open space acquisition range from outright purchase
to transfer of development rights or exchange of entitlements to shift allowable
development to non -open space areas Other options involve use of benefit
assessment districts, grants from other agencies and conservation groups, etc -
ISSUE ANALYSIS: There is a need to define and map selected "open space"
within the City and to implement a feasible open space acquisition program.
Comments:
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VJ3
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4
4. REVISION TO "LAND USE", PAGE 1-8:
"Diamond Bar presently provides a number of 'short cuts' for regional commuters
during periods of freeway congestion. The City may choose to continue to
absorb through traffic, and depend on other agencies, such as the State, to take
appropriate measures to relieve regional congestion which would ultimately free
up local roads for predominantly local use. However, the City's vision or goal is
to reserve most of its streets for local traffic, and it should explore the
opportunities".
Diamond Bar is presently impacted by regional commuters who seek to avoid
freeway congestion by using local streets. The City recognizes that effective
cbmdation solutions will require regional cooperation by all agencies
c
Comments:
n
t7
5. REVIS)ON TO "LAND USE", PAGE I-9:
trategy l.l.l.c: "Designate existing single family detached residential
subdivisions are (sic) Low Medium Density Residential (RLM) on the Land Use
map. The maximum density of Low Medium Residential areas will be 6.0
dwelling units per gross acre (6 du/ac) within these areas."
'Designate existing single family detacized residential subdivisions as Low Density
Residential (RL) on the Land Use mai The maximum density of such Low
Density Residential areas will be 3.0 dwelling units per gross acre (3 du/ac).
Comments:
v
5
6. REVISION TO "LAND USE", PAGE I.12:
Strategy 13.4.: "Encourage the rehabilitation, refurbishment, and/or expansion
of existing uses that generate sales tax revenue to the City, where consistent with
other provisions of the General Plan and Development Code."
Encourage the retention, rehabilitation, refiirbishment, and/or expansion of existing
businesses that generate sales tax revenues to the City, where consistent with other
provisions of the General Plan and Development Code
Comme
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7. REVISION TO "LAND USE", PAGE 1-13:
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(ADD) Strategy 1.3.7.: Undertake an economic development action plan to target
selected commercial uses needed to expand the range of goods and services available
to local residents and to generate needed sales tax revenue
Comments: ^
S�4
6
S. REVISION TO "LAND USE", PAGE I-14:
Strategy 1-5_1: "Maintain an inventory of previous dedications, designations, or
decisions regarding open space made by the County of Los Angeles and the City
(sic) require developers of vacant land to provide appropriate title or other
ownership documents to identify any development restrictions on the property."
Establish and maintain a public record of best available information concerning
development restrictions on existing vacant land Require potential developers to
provide a title report or other acceptable documentation of deed restrictions as part
of the development application process
Strategy 1. 5.3 (added): Define "open space "lands as vacant, undeveloped properties
to be retained for purposes of visual amenity, environmental resource protection, and
fire/slope stability hazard abatement. Such open space land will require public
acquisition or private owner dedication for public stewardship Recreational
facilities, both active and passive; which incorporate undeveloped land are not
included in this definition.
Comments:
1Z r
Y
7
9. REVISION TO "CIRCULATION", PAGE V-15:
"Future Development in Diamond Bar: The levels of development which would
be permissible under the proposed General Plan would result in approximately
6,235 additional dwelling units, 918,000 square feet of commercial uses and
887,387 square feet of office and business park uses. These estimated
additional development opportunities within the City will result in corresponding
increased in traffic. Estimated tripmaking within the City is projected to increase
from 348,632 average daily trips in 1991 to 471,174 average daily trips in 2010.
This represents an increase of 33 percent."
"Future Development in Diamond Bar: The levels of development which could be
permitted under the General Plan could result in approximately additional
dwelling units, sq. ft of commercial uses, and sq. ft of
offce/business-Fw Fuses. Fstimated trip generation within tg-G y is projected to
increase from roughly to average daily trips-- an increase of
about percent.
Comments:
10. REVISION TO "CIRCULATION", PAGE V-19:
Add new Exhibit V-4 to illustrate Master Plan of Circulation (consistent with Table
V-6).
Comments:
E-1
11. REVISION TO "CIRCULATION", PAGE V-21:
Strategy 1.1.4: "Identify a transportation corridor through Tonner Canyon. The
environmental impacts of transportation facilities within the corridor must be
minimized and must demonstrably benefit the City of Diamond Bar. The City
will further require that any proposed transportation facilities be explicitly
demonstrated as acceptable to the City (see also Land Use Strategy 1.63)."
Strategy 1.1.4: Work with adjacent jurisdictions in the evaluation of regional
transportation linkage options through the easterly portion of the Sphere of Influence
area which recognize environmental sensitivity (see also Land Use Strategy 1.6.3).
Comments:
12. REVISION TO "CIRCULATION", PAGE V-23:
Strate2v 2.2.2.: " Through the roadway system, ensure that new development
within the Tres Hermans Ranch property is integrated into the community of
Diamond Bar."
Ensure that the proposed high school site within the Tres Hermanas Ranch propeny
is physically integrated into the community of Diamond Bar by appropriate roadway
alignment and design.
Comments:
9
01
13. REVISION TO ADOPTED LAND USE MAP:
Add designation to Tres Herrmanos Ranch area to reflect new high school site,
Also, need to revise map to reflect proposed reduction in land use intensity for
existing single family subdivisions.
Comments:
k
A, f
10
City of Diamond Bar
General Plan Revision
Community Workshops
Round III
Wednesday, May 12,1993
Agenda
7:00 I. Welcome/Introduction
• Workshop Purpose
• Agenda Overview
7:10 II. Review of the General Plan Revision Process
• The General Plan Revision Process
• Round H Workshops Summary
7 -10:00 pm
7:20 III. Presentation and Review of Potential Revisions to the Diamond
Bar General Plan
A. General
1. Introduction (Page 3)
2. Major Issues (Page 4)
B. Land Use
3a. Determination of Deed Restriction Status (Page I-6)
3b. Open Space Definition and Preservation (Page I-6)
4. Regional Cooperation to Address Regional Traffic (Page 1-6)
5. Maximum Density of Low Density Residential Areas (Page I-9)
6. Retention of Existing Businesses (page I-12)
7. Economic Development Action Plan (1-13)
8. Public Record of Development Restrictions (1-14)
C. Circulation
9. Future Development in Diamond Bar (V-15)
10. Circulation Master Plan (V-19)
11. Regional Linkage Options (V-21)
12. High School Site Access (V-23)
D. Adopted Land Use Map
13. Tres Hermanos Ranch
9:55 IV. Next Steps in the General Plan Revision Process
10:00 Close
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CITY OF DIAMOND BAR GENERAL PLAN REVISION
WE WANT TO 1141AR FROM YOU
Take part in Diamond Bares
G4wrairl Plan Revision
Join us at the
'
lei De%09 �c%n
upcoming nay on
POLICY DIRICTION WORKS CSR
PUBLIC HEAR MOS
and tell us aboutM
• Future Residential Development
• Open Spade Preservation
Policy Direction Workshop
Wednesday, May 12
• Commercial Development
South Coast Air Quality Management District
Cafeteria
• Transportation Improvements
21865 E. Copley Drive, Diamond Bar
7-10 p.m.
General Plan Revision Process Updates
Four community workshops have been conducted over
F�ubiic_ Hearings
the last two ; weeks with Diamond Bar residents to
identify key planning issues and discuss potential
The City Council -sponsored hearings will
General Plan policy options. Based on comments
provide an additional opportunity for residents
received, City staff and the consultant team have
to address specific policy options and
prepared several General Plan policy direction
directions. Hearings will begin at 7 p.m. and
statements which will be presented and discussed by
will be held at the South Coast Air Quality
residents at the May 12 workshop. Results will be
Management District Auditorium.
forwarded to the City Council for their review and
consideration prior to the public hearings as part of the
Land Use
General Plan Revision process.
Wednesday, May 19
Please attend the workshop and upcoming Public
Circulation
Wednesday, May 26
Hearings and let the City know that you cares about
Diamond Bar's futurel
Additional General Plan Topics
Wednesday, June 2
For additional information, please contact Jim DeStefono, Community Development Director, at 909/396-5676
or send written comments to City Hall, 21660 E.
Copley Drive, Diamond Bar, 91765
City of Diamond Bar General Plan Revision
Community Participation Program
Community Community Community Public Public Public Adopted
Workshops (2) Workshops Workshops Hearing #1 Hearing #2 Hearing #3 General Plan
(Round 1) (Round II) (Round Ili)
Identify Issues Review and Discuss Review and Land Use Circulation Additional
to be addressed Policy Options Discuss Potential General Plan
in the General Plan Revisions to the Topics
General Plan
April 21 & 24 April 28 & May 1 May 12 May 19 May26 June 2
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