HomeMy WebLinkAbout03/08/2022PLANNING COMMISSION AGENDA
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Tuesday, March 8, 2022
6:30 PM
PUBLIC ADVISORY:
Consistent with State Assembly Bill 361, members of the Planning Commission may be present
or participate telephonically. Members of the public are encouraged to participate and address
the Planning Commission during the public comment portion of the meeting either in per son or
via teleconference. If you would like to attend the meeting in person, please note that face
coverings are required to be worn at all times.
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How to Observe the Meeting From Home:
Members of the public can observe the meeting by calling +1 (415) 930 -5321 , Access Code: 248-356-191
or visiting https://attendee.gotowebinar.com/register/4478254106726506509 .
How to Submit Public Comment: The public may provide public comment by attending the meeting in person,
by sending an email, or by logging into the teleconference. Please send email public comments to
Planning@DiamondBarCA.gov by 5:00 p.m. on the day of the meeting and indicate in the Subject Line “FOR
PUBLIC COMMENT.” Written comments will be distributed to the Planning Commission members and read
into the record at the meeting, up to a maximum of five minutes.
Alternatively, public comment may be submitted by logging onto the meeting through this link:
https://attendee.gotowebinar.com/register/4478254106726506509 . Members of the public will be called
upon one at a time during the Public Comment portion of the agenda. Speakers are limited to five minutes per
agenda item, unless the Chairperson determines otherwise.
American Disability Act Accommodations:
Pursuant to the Executive Order, and in compliance with the Americans with Disabilities Act, if you need
special assistance to participate in the Planning Commission Meeting, please contact the Community
Development Office (909) 839-7030 within 72 hours of the meeting. Commission recordings will be available
upon request the day following the Planning Commission Meeting.
CHAIRPERSON WILLIAM RAWLINGS
VICE CHAIRPERSON MAHENDRA GARG
COMMISSIONER NAILA BARLAS
COMMISSIONER KENNETH MOK
COMMISSIONER RAYMOND WOLFE
City of Diamond Bar
Planning Commission
MEETING RULES
PUBLIC INPUT
Members of the public may address the Planning Commission on any item of business on the
agenda during the time the item is taken up by the Planning Commission. In addition, members
of the public may, during the Public Comment period address the Planni ng Commission on any
Consent Calendar item or any matter not on the agenda and within th e Planning Commission’s
subject matter jurisdiction. Any material to be submitted to the Planning Commission at the
meeting should be submitted through the Minutes Secretary.
Speakers are limited to five minutes per agenda item, unless the Chairperson determines
otherwise. The Chairperson may adjust this time limit depending on the number of people
wishing to speak, the complexity of the matter, the length of the agend a, the hour and any other
relevant consideration. Speakers may address the Planning Commission only once on an
agenda item, except during public hearings, when the applicant/appellant may be afforded a
rebuttal.
Public comments must be directed to the Planning Commission. Behavior that disrupts the
orderly conduct of the meeting may result in the speaker being removed from the meeting.
INFORMATION RELATING TO AGENDAS AND ACTIONS OF THE PLANNING COMMISSION
Agendas for regular Planning Commission meetings are available 72 hours prior to the meeting
and are posted in the City’s regular posting locations and on the City’s website at
www.diamondbarca.gov. The Planning Commission may take action on any item listed on the
agenda.
Copies of staff reports or other written documentation relating to agenda items are on file in the
Planning Division of the Community Development Department, located at 21810 Copley Drive,
and are available for public inspection upon request. If you have questions regarding an agend a
item, please call (909) 839-7030 during regular business hours.
HELPFUL CONTACT INFORMATION
Copies of Agenda, Rules of the Planning Commission, Recordings of Meetings (909) 839-7030
Email: info@diamondbarca.gov
Website: www.diamondbarca.gov
The City of Diamond Bar thanks you in advance for taking all precautions to prevent spreading the
COVID-19 virus.
CITY OF DIAMOND BAR
PLANNING COMMISSION
March 8, 2022
AGENDA
Next Resolution No. 2022-03
CALL TO ORDER: 6:30 p.m.
PLEDGE OF ALLEGIANCE:
1. ROLL CALL: COMMISSIONERS: Naila Barlas, Kenneth Mok, Raymond
Wolfe, Vice Chairperson Mahendra Garg, Chairperson William Rawlings
2. REORGANIZATION OF PLANNING COMMISSION: Selection of Chairperson
and Vice Chairperson.
3. APPROVAL OF AGENDA: Chairperson
4. PUBLIC COMMENTS:
"Public Comments" is the time reserved on each regular meeting agenda to
provide an opportunity for members of the public to directly address the Plannin g
Commission on consent calendar items or other matters of interest not on the
agenda that are within the subject matter jurisdiction of the council. Although the
Planning Commission values your comments, pursuant to the brown act,
members of the Planning Commission or staff may briefly respond to public
comments if necessary, but no extended discussion and no action on such
matters may take place. There is a five-minute maximum time limit when
addressing the Planning Commission. Please complete a speaker card and hand
it to the Minutes Secretary (completion of this form is voluntary). The city will call
on in-person speakers first and then teleconference callers, one at a time to give
their name and if there is an agenda item number they wish to speak on before
providing their comment. If you wish to speak on a public hearing item or
Planning Commission consideration item, you will then be called upon to speak
at that point in the agenda..
5. CONSENT CALENDAR:
The following items listed on the consent cale ndar are considered routine and
are approved by a single motion. Consent calendar items may be removed from
the agenda by request of the Planning Commission only:
5.1 Minutes of the Planning Commission Regular Meeting – February 22,
2022
6. OLD BUSINESS: None.
MARCH 8, 2022 PAGE 2 PLANNING COMMISSION
7. NEW BUSINESS:
7.1 General Plan Status Report for 2021
RECOMMENDATION: Staff recommends that the Planning Commission
approve the report and forward it to the City Council to receive and file.
8. PLANNING COMMISSION COMMENTS / INFORMATIONAL ITEMS:
9. STAFF COMMENTS / INFORMATIONAL ITEMS:
10. SCHEDULE OF FUTURE EVENTS:
TRAFFIC AND
TRANSPORTATION
COMMISSION MEETING:
Thursday, March 10, 2022, 6:30 pm
Windmill Community Room
Diamond Bar City Hall
21810 Copley Drive
Diamond Bar, CA 91765
CITY COUNCIL MEETING: Tuesday, March 15, 2022, 6:30 pm
Windmill Community Room
Diamond Bar City Hall
21810 Copley Drive
Diamond Bar, CA 91765
PLANNING COMMISSION
MEETING:
Tuesday, March 22, 2022, 6:30 pm
Windmill Community Room
Diamond Bar City Hall
21810 Copley Drive
Diamond Bar, CA 91765
PARKS AND RECREATION
COMMISSION MEETING:
Thursday, March 24, 2022, 6:30 pm
Windmill Community Room
Diamond Bar City Hall
21810 Copley Drive
Diamond Bar, CA 91765
FREE COVID-19 DRIVE-
THROUGH TESTING:
(Free PCR and Rapid Antigen
tests are available and required
appointments may be made by
visiting totaltestingsolutions.com)
Monday – Thursday, 7:30am-3pm
Diamond Bar Center
1600 Grand Avenue
Diamond Bar, CA 91765
MARCH 8, 2022 PAGE 3 PLANNING COMMISSION
11. ADJOURNMENT:
BREAKFAST WITH THE BUNNY:
(Contact Recreation Services for
details and to register for the
event at 909/839-7070)
Saturday, April 9, 2022, 9:30am
Diamond Bar Center
1600 Grand Avenue
Diamond Bar, CA 91765
MINUTES OF THE CITY OF DIAMOND BAR
REGULAR MEETING OF THE PLANNING COMMISSION
February 22, 2022
Consistent with State Assembly Bill 361, this meeting was conducted telephonically and
Members of the Planning Commission and staff participated via teleconference. There was no
physical meeting location for this meeting and members of the public were encouraged to
participate and address the Planning Commission during the public comment portion of the
meeting via teleconference.
CALL TO ORDER:
Chair/Rawlings called the meeting to order at 6:30 p.m.
PLEDGE OF ALLEGIANCE: Chair Rawlings led the Pledge of Allegiance.
1. ROLL CALL: Commissioners: Naila Barlas, Kenneth Mok, Vice
Chairman Mahendra Garg, Chairman William Rawlings
Commissioners Raymond Wolfe was excused.
Staff Present : Greg Gubman, Community Development Director; James
Eggart, Assistant City Attorney; Grace Lee, Senior Planner; Mayuko Nakajima, Associate
Planner; Daniel Kim, Planning Intern; Stella Marquez, Administrative Coordinator.
2. APPROVAL OF AGENDA: As presented
3. PUBLIC COMMENTS: None Offered
4. CONSENT CALENDAR:
4.1 Minutes of the Regular Meeting of November 9, 2021.
4.2 Continued use of teleconferencing in accordance with Assembly Bill 361 for
meetings of the Planning Commission subject to State open meeting laws.
C/Barlas moved, VC/Garg seconded, to approve the Consent Calendar as
presented with C/Mok abstaining on Item 4.1. Motion carried 4-0 by the following
Roll Call vote:
AYES: COMMISSIONERS: Barlas, Mok, VC/Garg,
Chair/Rawlings
NOES: COMMISSIONERS: None
ABSENT: COMMISSIONERS: Wolfe
5. OLD BUSINESS: NONE
6. NEW BUSINESS: NONE
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FEBRUARY 22, 2022 PAGE 2 PLANNING COMMISSION
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7. PUBLIC HEARING(S):
7.1 Conditional Use Permit Planning Case No. PL2021-97 – Under the authority
of Diamond Bar Municipal Code Section 22.58, the applicant and property owner
requested Conditional Use Permit approval to operate an 1 ,850 square foot
veterinarian clinic (Phillip An Veterinary Services) at The Ranch Shopping Center
where overnight boarding was not being offered. The subject property is zoned
Professional Office (OP) with an underlying General Plan land use designation
of Neighborhood Mixed Use (MU-N).
PROJECT ADDRESS: 838 N. Diamond Bar Boulevard
Diamond Bar, CA 91765
PROPERTY OWNER: Foremost Diamond Ranch, LLC
27271 Las Ramblas, Suite 100
Mission Viejo, CA 92691
APPLICANT: Phillip An, DVM
220 East Bonita Avenue #175
San Dimas, CA 91773
PI/Kim presented the staff report and recommended Planning Commission
approval of Conditional Use Permit Planning Case No. PL2021 -97, based on the
findings of fact and subject to the conditions of approval as listed within the
resolution.
VC/Garg asked if in the event of emergency would the clinic house the animal
overnight and PI/Kim responded that emergencies will be accepted only during
the proposed business hours. After hours, owners would be referred to an
existing neighboring animal hospital.
C/Mok thanked PI/Kim for his great presentation and stated that the proposed
clinic would be a good addition to the neighborhood and reminded
Commissioners that there is an emergency hospital around the corner to the
south of the bowling alley which is open after hours.
Chair/Rawlings opened the public hearing.
With no one wishing to speak on this item, Chair/Rawlings closed the public
hearing.
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FEBRUARY 22, 2022 PAGE 3 PLANNING COMMISSION
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Motion by VC/Garg, second by C/Mok to approve Conditional Use Permit
Planning Case No. PL2021-97, based on the findings of fact, and subject to the
conditions of approval as listed within the resolution.
AYES: COMMISSIONERS: Barlas, Mok, VC/Garg,
Chair/Rawlings
NOES: COMMISSIONERS: None
ABSENT: COMMISSIONERS: Wolfe
8. PLANNING COMMISSION COMMENTS/INFORMATIONAL ITEMS:
VC/Garg congratulated Mr. An on his business opening and was concerned about why
tonight’s meeting was virtual instead of in-person.
C/Barlas thanked PI/Kim for his presentation.
C/Mok noticed Mr. An was logged in and wondered if he was given an opportunity to
say anything about his business. Chair/Rawlings responded that Mr. An was offered
the opportunity to speak but did not raise his hand. C/Mok congratulat ed Mr. An on his
new business opening. He wished everyone a Happy New Year and commented that
today was 2-22-2022 and National Margarita Day.
Chair/Rawlings congratulated Mr. An on his new business and said he has missed in -
person meetings with his colleagues, said he was honored to serve as Chair during the
past year and asked everyone to support local businesses.
9. STAFF COMMENTS/INFORMATIONAL ITEMS:
CDD/Gubman reported that staff anticipates returning to an in -person hybrid meeting
format beginning with the March 8th Planning Commission meeting in the Windmill
Room. The agenda for the March 8th meeting includes reorganization of the Planning
Commission with selection of a new Chair and Vice Chair for the upcoming year as well
as, the presentation of the Annual General Plan Status report. The project report that
corresponds to this item in the agenda packet lists the Crooked Creek Residential
Subdivision as scheduled for hearing on March 8 th; however, the hearing date will be
moved forward to one of the April meetings.
10. SCHEDULE OF FUTURE EVENTS:
As listed in the agenda.
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FEBRUARY 22, 2022 PAGE 4 PLANNING COMMISSION
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ADJOURNMENT: With no further business before the Planning Commission,
Chair/Rawlings adjourned the Regular Planning Commission meeting at 6:52 p.m.
The foregoing minutes are hereby approved this 8th day of March, 2022.
Attest:
Respectfully Submitted,
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Greg Gubman, Community Development Director
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PLANNING COMMISSION
AGENDA REPORT
AGENDA ITEM NUMBER: 7.1
MEETING DATE: March 8, 2022
CASE/FILE NUMBER: General Plan Status Report for 2021
BACKGROUND:
State Law requires each city to prepare and adopt a comprehensive, long -term General
Plan to guide its physical development. The General Plan is a policy document
comprised of goals and policies for implementation. In the fall of 2016, the City
embarked on a comprehensive update to the General Plan to create a community vision
and blueprint for the City through 2040. The City Council adopted Diamond Bar
General Plan 2040 on December 17, 2019.
In accordance with California Government Code Section 65400(b), the City is required
to submit an annual General Plan status report to the local legislat ive body (City
Council), the State Governor’s Office of Planning and Research (OPR), and State
Department of Housing and Community Development (HCD) on the status of the
General Plan, its implementation progress, and how the City is meeting the region’s
housing needs. The attached report lists the City’s progress toward the implementation
of the updated General Plan for the period of January 1, 2021 to December 31, 2021.
RECOMMENDATION:
Staff recommends that the Planning Commission approve the report and forward it to
the City Council to receive and file.
PREPARED BY:
CITY OF DIAMOND BAR ~ 21810 COPLEY DRIVE ~ DIAMOND BAR, CA 91765 ~ TEL. (909) 839-7030 ~ FAX (909) 861-3117
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General Plan Status Report for 2021 Page 2 of 2
REVIEWED BY:
Attachments:
A. General Plan Status Report Matrix for 2021
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City of Diamond Bar General Plan Status Report 2021
Period beginning January 1, 2021, and ending December 31, 2021
OVERVIEW
On December 17, 2019, the City Council adopted Diamond Bar General Plan 2040, which is a State mandated document that the City uses to plan the framework for its future physical, socia l, and economic
development. The General Plan is considered a long-term document that projects development within a community for approximately 20 years. The General Plan serves as the foundation for all land use decisions
and provides a vision and blueprint about how a community will grow, reflecting community priorities and values while shaping the future.
The City of Diamond Bar General Plan consists of the following eight elements (“Chapters”):
1) Land Use & Economic Development 2) Community Character & Placemaking 3) Circulation 4) Resource Conservation
5) Public Facilities & Services 6) Public Safety 7) Community Health & Sustainability 8) Housing
The following information summarizes the status of the goals and policies that the City has implemented for each chapter of the updated General Plan in 2020. Each chapter is organized by color scheme for
navigation.
1. Land Use & Economic Development
POLICY # CHAPTER GOALS & POLICIES STATUS DEPARTMENT
LAND USE & ECONOMIC DEVELOPMENT
This chapter provides the overall framework for the physical development of the community and the distribution and intensity of land uses upon which many of the goals and policies in other chapters are based.
GENERAL
Goals
LU-P-5 Land Use
Ensure that adequate public services, facilities, and infrastructure
are available or provided to support new development, including
water, wastewater, stormwater, solid waste, transportation, public
safety, and parks.
Safe, Clean Water Program (Measure W)
Staff prepared and submitted the City’s Measure W Annual Plan and
executed Fund Transfer Agreement to the County of Los Angeles for
processing as the final items required by the County to disperse the
local return funds to Diamond Bar. The Annual Plan outlined the
City’s proposed Measure W expenditures for the fiscal year including
CIP projects, routine maintenance, consultant costs, efforts to
pursue grant funding, and staff time. As a result, Diamond Bar
received $ 836,902.45 for FY 2021-2022.
Measure W funds were used to design a drainage solution for the
persistent groundwater that seeps onto public streets at Flapjack
Drive, creating algae and potential slip hazards.
Public Works
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POLICY # CHAPTER GOALS & POLICIES STATUS DEPARTMENT
Also applies to Community, Character, and Placemaking Chapter
policies CC-P-5 and CC-P-6, and Resource Conservation Chapter
goal RC-G-12.
RESIDENTIAL
Goals
LU-G-7 Land Use Promote a variety of housing and neighborhood types that respond
to a range of income, household sizes, and accessibility levels.
In November 2021, the City Council adopted the Housing Element
Update for the 2021-2029 planning period (sixth cycle) which
included analyses of the community’s housing needs, opportunities
and constraints, as well as policies and programs to facilitate the
construction, rehabilitation, and preservation of housing for all
economic segments of the community.
On July 20, 2021, the City adopted its Accessory Dwelling Unit
(ADU) Ordinance to comply with current ADU law pursuant to AB
3182 (2020) and SB 13, AB 68, AB 881, AB 587, AB 670, and AB
671 (2019). The City has been processing new ADUs in accordance
with the new State laws and continues to encourage ADUs and
JADUs which provides an affordable housing option for lower income
households.17 building permits for ADUs totaling 12,654 sq. ft. were
issued.
Community
Development
Policies
LU-P-8 Land Use
Ensure that new residential development be compatible with the
prevailing character of the surrounding neighborhood in terms of
building scale, density, massing, and design. Where the General
Plan designates higher densities, provide adequate transitions to
existing development.
All new residential development requires review and approval by the
Planning Commission through a Development Review application
process to assess a project’s compatibility, architectural design, size,
scale and massing with the neighborhood. The Planning
Commission reviews the design to ensure compliance with the City’s
General Plan policies and design guidelines, and to minimize
adverse effects of the proposed project upon the surrounding
properties and the City in general.
Community
Development
LU-P-9 Land Use
Incorporate architectural and landscape design features in new
development that create more pedestrian-friendly neighborhoods,
such as orientation to the street; set-back, or detached garages;
tree-lined streets; and landscaped parkways between streets and
sidewalks.
Through the development review process, all new development is
reviewed to promote high functional and aesthetic architectural and
landscape standards to complement and add to the economic,
physical, and social character of Diamond Bar.
Community
Development
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COMMERCIAL, OFFICE, AND INDUSTRIAL
Policies
LU-P-14 Land Use
Improve vehicular accessibility, traffic flow, and parking availability
as well as pedestrian and bicycle access and amenities within
office, commercial, and industrial areas.
During project review, staff ensures that all office, commercial, and
industrial areas provide improved vehicular accessibility, traffic flow,
and parking availability as well as review for opportunities to
incorporate pedestrian and bicycle access and amenities.
Adaptive Traffic Control System
The City's Adaptive Traffic Control System (ATCS) is a traffic
management strategy in which traffic signal timing changes or
adapts based on actual traffic demand. This is accomplished using
an adaptive traffic control system consisting of both hardware and
software. The system's deployment (hardware and software) was
completed in 2020. Considering the unusual fluctuations in the traffic
load in the City's main arterials during 2020 and parts of 202 1, the
system proved to be responsive to those changes by updating signal
timing in real-time. Staff continues to fine-tune the system for a
robust coverage of the traffic circulation on arterials.
Diamond Bar Boulevard/SR60 Eastbound Ramp Intersection
project (Diamond Bar Blvd dual left turn to SR-60 East onramp)
• In 2016, the Southern California Association of Governments
(SCAG), in partnership with Caltrans, Metro, and the cities of
Diamond Bar and Industry, initiated the SR57/SR60
Confluence Supplemental Needs Study to evaluate key
operational issues that were not fully addressed in the
feasibility study completed in 2010. This Study evaluated four
improvements component that would address congestion,
safety, weaving, traffic diversion, goods movement, freeway-
to-freeway traffic diversion onto local roadways, and other
related issues. Based on the evaluation results and the input
from the City of Diamond Bar City Council, the Study
recommended the City of Diamond Bar (City) should work
with Caltrans and Metro to advance the Component "1" local
intersection improvements at the Diamond Bar
Boulevard/SR60 ramp intersections.
• Per recommendations of the SR57/SR60 Confluence
Supplemental Needs Study, the City initiated the Diamond
Bar Boulevard/SR60 Eastbound Ramp Intersection project
(Diamond Bar Blvd dual left turn to SR-60 East onramp)
Community
Development
Public Works
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(Project) in cooperation with Caltrans and Metro. After
several iterations, in late 2021, the City submitted the 100%
design plans (PS&E) of the project and other Caltrans-
required documentation, e.g., environmental summary, Right-
of-Way documentation, Design Engineering Evaluation
Report (DEER), etc. to Caltrans for their final approval and
issuing their permit.
• Concurrently, in 2021, the City worked with Metro and San
Gabriel Valley Council of Governments (SGVCOG) to include
the funding request for the construction of the project
(currently estimated at around $1M) in the SGVCOG's
regional funding request (Measure M) to the Metro Board. The
SGVCOG Board approved the funding request to be
submitted to Metro Board for approval in 2022.
• The City designed and prepared this project to be constructed
concurrently with State Route 57/60 Confluence Chokepoint
Program (SR57/60 Project). Close collaborations have been
taken among Metro, Caltrans, and the City of Diamond Bar on
the two ongoing projects. Per the coordination between the
two projects and as part of the SR57/60 Confluence Project
design, the SR60 Eastbound onramp would widen to include
one HOV preferential lane and two mixed-flow lanes to
address the high demand at this onramp.
MIXED USE
Goals – General
LU-G-14 Land Use
Foster development of nodes or clusters of mixed-use centers to
promote city and neighborhood identity, improve accessibility to
stores, parks, natural open spaces, and services, and promote
walkable, pedestrian-scaled retail and dining destinations.
Staff prepared Request for Proposals for preparation of the Diamond
Bar Town Center Specific Plan for release in January 2022. The
Specific Plan will define the overall vision, policies, objectives, land
use regulations, development standards and design guidelines,
infrastructure and public realm improvements, and implementation
and financing strategies for the Town Center focus area.
Community
Development
Goals – Town Center Mixed Use
LU-G-22 Land Use
Promote and support the commercial area on both sides of
Diamond Bar Boulevard from Golden Springs Drive to SR-60 as a
vibrant, pedestrian-oriented Town Center that serves as Diamond
Bar’s primary specialty retail and dining destination and is
accessible to all Diamond Bar residents.
The City enlisted the assistance of the Urban Land Institute -Los
Angeles (ULI-LA), which convened a technical assistance panel
(TAP) in April 2021 to gain a better understanding of the market
possibilities, implementation strategies, and design frameworks to
consider as it plans the Diamond Bar Town Center. A Technical
Community
Development
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Assistance Panel Report was published in June 2021 and posted on
the ULI-LA and City websites.
PUBLIC FACILITIES, OPEN SPACE, AND HILLSIDES
Goals
LU-P-56 Land Use
Ensure that development on privately owned, residentially
designated land in hillside areas is compatible with surrounding
natural areas promoting the following design principles:
a) Minimize—as articulated by the landform grading criteria of
the Development Code’s Hillside Management
regulations—excavation, grading, and earthwork to retain
natural vegetation and topography;
b) Preserve existing vistas of significant hillside features such
as ridgelines, particularly from public places;
c) Do not create unsafe conditions;
d) Incorporate site and architectural designs that are sensitive
to natural contours and land forms and hydrological
features;
e) Preserve natural watersheds, including existing vegetation
within undeveloped hillside areas to the maximum extent
feasible, including mature trees and native plant materials;
f) Incorporate fuel modification as part of the Fire
Department’s approved fuel modification program;
g) Utilize planting palettes consisting of drought tolerant, fire
resistant, non-invasive plants that are native to or
compatible with those in the surrounding area; and
h) Group plants within swale areas to more closely reflect
natural conditions within landform graded slopes.
All new residential development requires review and approval by the
Planning Commission through a Development Review application
process to ensure compliance with the design principles listed.
Grading, Encroachment, Transportation Permits, and Violation
Prevention
Pursuant to the Municipal Code and the General Plan goals, in 2021,
the City reviewed plans for and issued 5 grading permits, 223
Encroachment Permits, 55 dumpster permits, and 35 Oversized
Load Transportation Permits. To preserve resources and prevent
code violations, the City issued 15 NPDES Notices of Violation that
mostly were related to illicit discharges into the storm drain system.
Also applies to Circulation Chapter policies CR-P-60, CR-P-62, and
CR-P-64, Resource Conservation Chapter goals and policies RC-G-
7, RC-P-23, and RC-P-33, and Public Safety Chapter policy PS-P-3.
Community
Development
Public Works
ECONOMIC DEVELOPMENT
Goals
ED-G-7 Economic Development Monitor and regularly evaluate economic conditions and economic
development goals.
Policies – Commercial Centers
ED-P-5 Economic Development
Work with existing commercial center owners and commercial real
estate professionals to enhance commercial development
opportunities that meet the needs of adjacent neighborhoods and
other nearby uses by facilitating communication between
developers and target populations, identifying additional
development or redevelopment sites in and around the centers, and
improving exposure along adjacent transportation corridors.
See Land Use goal LU-G-22 Community
Development
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Policies – Community-Serving Uses
ED-P-7 Economic Development Allow for home occupations where compatible with the privacy and
residential character of the neighborhood.
Home based businesses are allowed and required to comply with
the operating standards in Diamond Bar Municipal Code Section
22.42.070 where the business shall be incidental and secondary to
the residential use of the property. Businesses that alter the
character of residences or change the occupancy classification are
prohibited, as are activities that create nuisance such as levels or
glare, light, noise, solid waste, or other characteristics in excess of
that customarily associated with similar residential uses.
79 home based business licenses were issued.
On December 7, 2021, the City amended sections of the
Development Code pertaining to the regulation of family day care
homes, in compliance with SB 234. SB 234 requires cities to treat all
family day care homes as a residential use of property for purposes
of all local ordinances. A family day care home offers care for minor
children at the provider’s residential home.
Community
Development
2. Community Character & Placemaking
POLICY # CHAPTER GOALS & POLICIES STATUS DEPARTMENT
COMMUNITY CHARACTER & PLACEMAKING
This Chapter guides the physical form and character of the City by providing strategies to strengthen the City’s identity through both new development and public improvements. Placemaking elem ents include
features such as monuments and decorative treatments that define City entry points, public art installations, decorati ve streetscape elements at key intersections or districts, and landscaping that creates a
memorable and unified character. The Goals and Polices contained in this Chapter provide direction to incorporate such elements into both new development proj ects and public improvements. The majority of
the Goals and Policies are related to the new opportunities within the four mixed -use focus areas and encourage walkable and pedestrian -oriented neighborhoods.
OVERALL CHARACTER & DESIGN
Goals
CC-G-4 Community Character &
Placemaking
Preserve the scale and character of existing residential
neighborhoods and ensure sensitive transitions between densities
and uses.
All new residential development requires review and approval by the
Planning Commission through a Development Review application
process to assess a project’s compatibility, architectural design,
size, scale and massing with the neighborhood. The Planning
Commission reviews the design to ensure compliance with the City’s
General Plan policies and design guidelines, and ensure sensitive
transitions between densities and uses.
Community
Development
CC-G-5 Community Character &
Placemaking
Provide an expanded pedestrian and bicycle infrastructure network
to improve connectivity throughout the city where topography and
technology permit.
Diamond Bar Boulevard Complete Streets Corridor
The design of the Diamond Bar Boulevard Complete Streets Project
was completed in 2020. The construction cost for the project is
estimated to be around $6 million. The City has secured $3 million
Public Works
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POLICY # CHAPTER GOALS & POLICIES STATUS DEPARTMENT
in Metro grant funding for construction. In August, the City submitted
a letter of intent for MSP Funding through SGVCOG. While the
project was not selected for grant funding consideration, the
SGVCOG agreed to partner with the City or provide support letters
for future funding opportunities.
Diamond Bar Blvd from Pathfinder Road to Mountain Laurel
Way Rehabilitation
The City improved approximately 1 mile of bike lanes as a part of the
Diamond Bar Blvd Rehabilitation Project completed in August. The
existing Class II bike lanes were re-striped to add a 4’ wide buffered
zone, providing greater separation between bicyclists and vehicles.
This design is being incorporated into all future arterial rehabilitation
projects.
Also applies to Community Character & Placemaking Chapter goals
CC-G-7 and CC-G-10 and policies CC-P-5 through CC-P-7, CC-P-
9, and Circulation Chapter goal CR-G-2 and policies CR-P-4, CR-P-
14, and CR-P-29
Policies – City Identity
CC-P-1 Community Character &
Placemaking
Develop visual gateways at entry points to the city and at the
entrances to the Neighborhood Mixed Use, Town Center, Transit-
Oriented Mixed Use, and Community Core areas. Establish a
gateway design palette and guidelines consistent with the existing
gateway at Grand Avenue and Longview Drive, employing the
same or a similar elements of streetscape design, monument
signage, lighting, and building massing and setback.
57/60 Project Community Identifiers
The City continued working with the LA County Transportation
Authority (Metro) in 2021. The City’s community identifiers have
been included in the SR-57/60 Confluence Chokepoint Relief
Program Project (project) plans. That includes the City’s community
identifiers on about 100,000 sq. ft. of retaining walls, sound walls,
and the Grand Avenue bridge. It also includes an entry monument
on Grand at the Grand Ave on/off-ramp. The project will fully pay for
all of these improvements that have been negotiated with Metro.
Also applies to Community Character & Placemaking Chapter
policies CC-P-2 through CC-P-4
Grand Avenue/Golden Springs Drive Intersection
Improvements
The construction of the intersection improvements project
commenced in 2021 and will continue through 2022. Several
components of the work were completed in 2021, i.e., slope grading,
parts of the sidewalk work, decorative street lights, traffic signal
poles installation, decorative retaining walls. The relocation of the
golf course tunnel, storm drain improvements, pavement of the
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POLICY # CHAPTER GOALS & POLICIES STATUS DEPARTMENT
street widening, completion of the sidewalks, and landscaping on
medians and slops will be completed during 2022.
Also applies to Community Character & Placemaking Chapter
policies CC-P-4 through CC-P-7, CC-P-9, and CC-P-64 and
Circulation Chapter policy CR-P-27.
Street Name Sign Design
The new design for street name signs designed and approved in
2020 was installed in 2021 in pilot locations. Thew new design
incorporates the City’s new branding elements and patterns and will
be used for the illuminated signs at arterials. For the residential street
name signs, a draft design was prepared to be used in 2022.
Also applies to Community Character & Placemaking Chapter policy
CC-P-34
Also applies to Circulation Chapter policies CR-P-20 and CR-P-21.
CC-P-2 Community Character &
Placemaking
Incorporate prominent corner architectural features, such as
prominent entries or corner towers, on new development at key
intersections or gateways.
See Community Character & Placemaking Chapter policy CC-P-1 Public Works
CC-P-3 Community Character &
Placemaking
Encourage new mixed-use development to incorporate public art
that celebrates the history and character of Diamond Bar to
reinforce community identity, create unique places, and provide a
basis for community pride and ownership. Encourage diversity in
content, media, and siting to reflect an array of cultural influences.
See Community Character & Placemaking Chapter policy CC-P-1 Public Works
CC-P-4 Community Character &
Placemaking
Continue to support community identity with streetscape
improvement and beautification projects in both existing residential
areas and commercial centers, as well as new mixed-use areas that
incorporate unified landscaping and pedestrian amenities.
Amenities should include seating, bus shelters, pedestrian safety
treatments such as sidewalk bulb-outs and widening and improved
crosswalks, and city-branded decorative elements such as street
lighting, concrete pavers, tree grates, and theme rails.
See Community Character & Placemaking Chapter policy CC-P-1 Public Works
CC-P-5 Community Character &
Placemaking
Establish a landscaping palette made up of native, drought-tolerant
plants and stormwater management systems with a view to
enhancing beautification and sustainable landscaping practices.
See Land Use & Economic Development Chapter policy LU-P-5 and
Community Character & Placemaking Chapter goal CC-G-5 and
policy CC-P-1
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POLICY # CHAPTER GOALS & POLICIES STATUS DEPARTMENT
CC-P-6 Community Character &
Placemaking
Prioritize sustainability in site design. When incorporating on-site
stormwater management through the use of bioswales, rain
gardens, permeable pavement, and/or other available low-impact
development technologies, require such features to be aesthetically
integrated into the site design.
See Land Use & Economic Development Chapter policy LU-P-5 and
Community Character & Placemaking Chapter goal CC-G-5 and
policy CC-P-1
Sunset Crossing Park
The proposed Sunset Crossing Park is located adjacent to the
Diamond Bar Channel, which handles the drainage from
approximately 1,600 acres within the City of Diamond Bar. This
makes the park an excellent candidate for a water quality treatment
facility that can be incorporated into the proposed park’s design. To
further study the feasibility of such a treatment facility, staff submitted
an application to the LA County Flood Control District for funding
through their Measure W Technical Resources Program (TRP),
which funds the development of Project Feasibility Studies for water
quality purposes. The City was awarded $300,000 in TRP funding
that will be used to fund the feasibility study prepared by Technical
Assistance Teams from the County, add the Sunset Crossing Park
project to an eligible water quality plan, and address other
prerequisites to apply for the Infrastructure Program, which awards
construction funding to water quality projects.
Note that only the stormwater capture/treatment-related elements
and certain landscape elements would be eligible for Measure W
funding. While there are several steps before the opportunity to
apply for the Infrastructure Program, a successful TRP application is
the first step towards potential construction funding for several park
elements. The City is awaiting notification from the County to
schedule a kickoff meeting.
Also applies to Resource Conservation Chapter policy RC-P-22 and
Public Facilities & Services Chapter goal PF-G-1 and policies PF-P-
3 and PF-P-12
Public Works
Policies – Streetscapes & Building to Street Interface
CC-P-7 Community Character &
Placemaking
Ensure that new development provides an integrated pattern of
roadways, bicycle routes and paths, and pedestrian connections
within and between neighborhoods that are safe, comfortable, and
accessible sidewalks for people of all ages and abilities.
See Community Character & Placemaking Chapter goal CC-G-5 and
policy CC-P-1 Public Works
CC-P-9 Community Character &
Placemaking
Encourage pedestrian orientation in mixed-use development using
a variety of site planning and architectural strategies, such as
locating and orienting buildings to street frontages, plazas, or
pedestrian paseos; providing visual transparency through
See Community Character & Placemaking Chapter goal CC-G-5 and
policy CC-P-1 Public Works
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POLICY # CHAPTER GOALS & POLICIES STATUS DEPARTMENT
fenestration; entries and arcades close to the street edge and
sidewalk; and/or incorporating porches, patios, or outdoor spaces
that overlook or interact with front yards or sidewalks.
CC-P-11 Community Character &
Placemaking
In residential and mixed-use areas, use traffic calming measures
such as pavers, bollards, sidewalk bulb-outs, and speed humps to
slow travel speeds.
Neighborhood Traffic Management Program (NTMP)
In residential neighborhoods, the NTMP continues to be an effective
tool in providing a procedure to implement traffic calming devices in
neighborhoods that experience speeding and cut-through traffic. The
program’s goal is to improve the livability of neighborhoods by
empowering residents with the right calming devices to modify driver
behavior.
Staff completed the first two NTMP meetings with the North Del Sol
Lane neighborhood to introduce the program and review the initial
design with the community. Construction documents were prepared
for the suggested traffic calming measures for the community.
Staff collected traffic data for the Hawkwood Drive NTMP where
residents expressed concerns regarding speeding and driver
behavior. Speed radar trailers were placed in the neighborhood and
the Sheriff’s Department was asked to monitor the area to
temporarily reduce driver speeds. An introductory NTMP meeting
was scheduled to gather neighborhood feedback before design
plans are prepared.
Also applies to Circulation Chapter policies CR-P-22 and CR-P-23
and Community Health & Sustainability Policy CHS-P-29.
Public Works
Policies – Site Planning & Parking
CC-P-17 Community Character &
Placemaking
Encourage the aggregation of individual small lots into larger
development parcels within mixed-use areas that will support an
appropriately-scaled, cohesive and economically viable
development.
See Land Use goal LU-G-22 Community
Development
Policies – Building Massing and Design
CC-P-34 Community Character &
Placemaking
Update the City of Diamond Bar Citywide Design Guidelines as
needed to reflect the design guidance articulated in the General
Plan.
See Community Character & Placemaking Chapter policy CC-P-1
New City of Diamond Bar Transportation Study Guidelines for
Vehicle Miles Traveled (VMT) and Level of Service Assessment
Changes in state law have fundamentally redefined how project-
generated traffic impacts are measured under the California
Environmental Quality Act (CEQA). Rather than evaluating how a
project affects motorists, CEQA now requires the impact of project-
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POLICY # CHAPTER GOALS & POLICIES STATUS DEPARTMENT
generated traffic to be measured in terms of its contribution to
greenhouse gas (GHG) emissions. The new metric used to assess
such impacts is “Vehicle Miles Traveled” (VMT), replacing “Level of
Service” (LOS) as the measure of transportation impacts in
environmental impact reports and other CEQA documents.
To establish new baselines and thresholds of significance to
evaluate VMT impacts, the City Council, at its July 21, 2020 meeting,
adopted Resolution No. 2020-30. Subsequently, the City’s Traffic
Impact Analysis Guidelines (TIA, Rev. 2009) was updated to reflect
the change to the project evaluation process. The City, with the
assistance of a consultant, completed a comprehensive update of
the City’s TIA. The new document “City of Diamond Bar
Transportation Study Guidelines for Vehicle Miles Traveled, and
Level of Service Assessment” (TSG) will completely replace the TIA.
The TSG establishes the methodology for determining the baselines
from which VMT thresholds are measured.
Outside of the CEQA process, the City has the option to continue to
evaluate projects using the LOS metric and may continue to assess
fair share fees for intersection and other roadway improvements,
and Diamond Bar will continue to do so per General Plan Goals and
Policies, and the new TSG.
The new TSG has been used for at least one development project in
2021.
Meanwhile, during 2021, the City worked with the San Gabriel Valley
Council of Government and other cities in the region to establish a
framework for a regional VMT bank under which the cities and the
County can cooperate in using the VMT mitigation funds from
developments projects on projects that have a regional impact rather
than limiting the process to the jurisdiction’s boundaries. The study
is going to conclude in 2022 and will provide its recommendations
for such a framework to the policy-makers.
Also applies to Circulation Chapter goals CR-G-1, CR-G-2, and CR-
G-6 through CR-G-8 and policies CR-P-2, CR-P-5 through CR-P-7,
CR-P-12, CR-P-13, CR-P-16, CR-P-30, and CR-P-54
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NEIGHBORHOOD MIXED USE FOCUS AREA
Goals
CC-G-7 Community Character &
Placemaking
Create a well-designed, walkable, mixed-use neighborhood that
encourages community interaction, showcases the city’s identity,
and is integrated with residential uses to the east.
See Community Character & Placemaking Chapter goal CC-G-5 Public Works
CC-G-8 Community Character &
Placemaking
Promote vertical and horizontal mixed-use development along
Diamond Bar Boulevard. See Community Character & Placemaking Chapter goal CC-G-5 Public Works
Policies
COMMUNITY CORE FOCUS AREA
Policies
CC-P-64 Community Character &
Placemaking
Provide streetscape and intersection improvements along Golden
Springs Drive to enhance comfort and safety for all modes of travel
and increase accessibility to and from surrounding areas.
See Community Character & Placemaking Chapter policy CC-P-1
2021 IFRA and TCEP Grant Application for the SR-57/60
Confluence Chokepoint Relief Program
The City of Diamond Bar, in partnership with Caltrans, the San
Gabriel Valley Council of Governments (SGVCOG), and the City of
Industry, actively participated in the preparation of the grant
application FY 2021 Infrastructure for Rebuilding America (INFRA)
discretionary grant program for the SR-57/60 Confluence
Chokepoint Relief Program.
Working with the other project partners, in May 2021, the City hosted
a visit and briefing for Congressmember Young Kim and her
Legislative Director from Washington DC, Alex Cisneros, about the
57/60 project, at the Grand Avenue overpass. Congressmember Kim
made this Project one of her biggest priorities. She led a bipartisan
letter of support for LA Metro’s application for a $30 million U.S.
Department of Transportation INFRA grant, testified before the
House Transportation and Infrastructure Committee about the great
importance of the 57/60 Project to our region, California and the
entire Nation, and submitted a Member Designated Project request
for $18 million in funding to the House T&I Committee.
With all the efforts of the City and its local and regional partners, after
two unsuccessful attempts, in 2021, the application was successful,
and the project was awarded $30M in INFRA grant.
Previously the project was awarded $217.9 of SB1 funding from the
State of California SB1 grant program.
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Key project components include the construction of an additional
travel lane on the northbound SR-57, construction of a new
eastbound SR-60 bypass off-ramp of Grand Avenue, reconstruction
of the south half of the Grand Avenue Interchange, and construction
of new eastbound on-ramps from Grand Avenue. This project has a
total cost of $420 million which will be paid from the Metro Regional
fund, the State SB1, and the Federal INFRA grant fundings.
Construction work on this project is anticipated to start in 2022-23.
Also applies to Circulation Chapter policies CR-P-26, CR-P-27, and
CR-P-29
3. Circulation
POLICY # CHAPTER GOALS & POLICIES STATUS DEPARTMENT
CIRCULATION
This Chapter is aimed at improving the transportation network within the City, balancing the circulation needs with safety an d access across a variety of modes of transportation, including automobile travel,
public transit, non-motorized transportation and goods movement through a Complete Streets approach.
TRANSPORTATION NETWORK AND STREET DESIGN
Goals
CR-G-1 Circulation
Improve the operating efficiency of the transportation system by
reducing vehicle travel demand and providing opportunities for
other modes of travel. Before approving roadway improvements
that focus on increasing vehicle capacity, consider alternatives that
reduce vehicle volumes and prioritize projects that would reduce
single-occupancy vehicle use and greenhouse gas emissions.
See Community Character & Placemaking Chapter policy CC-P-34 Public Works
CR-G-2 Circulation
Maintain a street classification system that considers the broad role
of streets as corridors for movement but also reflects a Complete
Streets concept that enables safe, comfortable, and attractive
access for pedestrians, bicyclists, motorists, and transit users of all
ages and abilities, in a form that is compatible with and
complementary to adjacent land uses, including neighborhood
schools.
See Community Character & Placemaking Chapter policy CC-P-34 Public Works
CR-G-6 Circulation
Track the use of future transportation options such as
Transportation Network Companies (TNCs), ride sharing, and
autonomous vehicles (AVs), and adjust City requirements, such as
roadway design or parking standards as needed to ensure safety
and access for all users and modes.
See Community Character & Placemaking Chapter policy CC-P-34 Public Works
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POLICY # CHAPTER GOALS & POLICIES STATUS DEPARTMENT
Policies
CR-P-1 Circulation
When redesigning streets, plan for the needs of different modes by
incorporating elements such as shade for pedestrians, safe
pedestrian-friendly crossings/ intersections, lighting at the
pedestrian scale, bike lanes, signage visible to relevant modes,
transit amenities, etc.
Citywide Bus Shelter Replacement
In November 2021, the City Council approved the design concept for
replacing all bus shelters and the amenities at the unsheltered
locations. Using the City’s local Prop A fund, this project will replace
and install new bus shelters, benches, trash bins, and solar panels
(where feasible) at the bus stops. The approved design includes v -
shaped advertising panels. An RFP was issued for the construction
work in late 2021. The replacement and construction work is planned
to commence in 2022. Meanwhile, the City will be issuing an RFP
for the franchise and maintenance agreement with an advertisement
firm.
Additionally, in 2021, the Foothill Transit Grant program re-opened
its call for applications after one year delay. The City applied for a
grant to replace two bus shelters. If awarded in 2022, this project
grant will be coordinated with the citywide bus shelter replacement
project.
Also applies to Circulation Chapter goal CR-P-3, CR-G-13 and
policies CR-P-8 and CR-P-48
Public Works
CR-P-2 Circulation
Promote new street designs and efforts to retrofit existing streets in
residential neighborhoods minimize traffic volumes and/or speed as
appropriate without compromising connectivity for emergency
vehicles, bicycles, pedestrians, and users of mobility devices.
See Community Character & Placemaking Chapter goal CC-G-5 and
policy CC-P-34
Local Road Safety Plan (LRSP)
Federal regulations require each state to develop a Strategic
Highway Safety Plan (SHSP) to reduce traffic accident fatalities and
serious injuries on all public roadways. While the SHSP is used as a
statewide approach for improving roadway safety, a Local Road
Safety Plan (LRSP) is the means for providing City-owned roads with
the opportunity to address unique highway safety needs in their
jurisdictions while contributing to the SHSP. The City applied for and
was awarded a grant by Caltrans to develop an LRSP. The City’s
LRSP was completed in 2021, and its findings were presented to the
City’s Traffic and Transportation Commission. The City will be using
the project opportunities recommended by the LRSP in its
application for the Caltrans HSIP grant application, on which LRSP
is considered a required document.
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POLICY # CHAPTER GOALS & POLICIES STATUS DEPARTMENT
Also applies to Circulation Chapter policies CR-P-19, CR-P-26, CR-
P-45, and CR-P-65, and Public Safety Chapter policy PS-P-35
CR-P-3 Circulation
Plan for and provide new connections within the Transit -Oriented,
Neighborhood, Town Center, and Community Core mixed-use
areas to create finer grained, pedestrian -scaled circulation
networks that support the development of connected and
accessible neighborhoods. Connections should facilitate the use of
alternatives to single-occupancy vehicles, such as walking,
bicycling, and transit by improving the safety and accessibility of
those modes.
See Circulation Chapter policies goal CR-P-1
See Circulation Chapter public transportation goal CR-G-13 Public Works
CR-P-4 Circulation
Develop traffic calming strategies for Diamond Bar Boulevard
between Temple Avenue and Golden Springs Drive in order to
provide a safe and comfortable pedestrian-friendly environment
along and through the Neighborhood Mixed Use and Town Center
Mixed Use areas.
See Community Character & Placemaking Chapter goal CC-G-5 Public Works
CR-P-5 Circulation
Necessary transportation improvements should be in place, or
otherwise guaranteed to be installed in a timely manner, before or
concurrent with new development. In evaluating whether a
transportation improvement is necessary, consider alternatives to
the improvement consistent with CR-G-1, and the extent to which
the improvement will offset the traffic impacts generated by
proposed and expected development.
57/60 Confluence Traffic Management Plan
As part of the City’s collaboration and participation in the design of
the 57/60 Confluence project with the other project partners (Metro,
Caltrans, SGVCOG), the City played an active role by commenting
and reviewing in the revision and improvement of the Project’s Traffic
Management Plan (TMP). The TMP is used during the project
construction to mitigate or minimize the project impact on local traffic,
including the traffic on the City streets. Among many improvements
that the City required and was addressed by the project team on the
TMP was changing the detour path for freight trucks during the
extended closures of the freeways during the construction of the
Project.
See Community Character & Placemaking Chapter policy CC-P-34
Public Works
CR-P-6 Circulation
Continue to implement congestion mitigation measures to ensure
that new projects do not significantly increase local City congestion
based on defined level of service (LOS) standards.
See Community Character & Placemaking Chapter policy CC-P-34 Public Works
CR-P-7 Circulation
Support the development of City street design standards that:
a) Address the needs of different modes according to roadway
classification
b) Reduce the potential for conflicts and safety risks between
modes; and
See Community Character & Placemaking Chapter policy CC-P-34 Public Works
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POLICY # CHAPTER GOALS & POLICIES STATUS DEPARTMENT
c) Support and manage the use of transportation options that
will become increasingly popular in the future, such as
TNCs, AVs, micro-transit (privately operated transit), and
other emerging transportation technologies.
CR-P-8 Circulation
Plan for passenger pick-up/drop-off locations within both public
right-of-way and on private properties for AVs, TNCs, and micro -
transit to limit traffic disruptions and increase safety by identifying
and designating specific locations for pick-ups and drop-offs.
See Circulation Chapter policy CR-P-1 Public Works
VEHICLE CIRCULATION
Goals
CR-G-7 Circulation
Ensure smooth traffic flows by maintaining or improving traffic levels
of service (LOS) that balance operational efficiency, technological
and economic feasibility, and safety.
See Community Character & Placemaking Chapter policy CC-P-34 Public Works
CR-G-8 Circulation Encourage reduction in vehicle miles traveled (VMT) as part of a
strategy to reduce greenhouse gas (GHG) emissions. See Community Character & Placemaking Chapter policy CC-P-34 Public Works
Policies – Level of Service (LOS) Standards
CR-P-12 Circulation
Balance meeting LOS standards with the need to reduce VMT
through maintaining and supporting multi-modal connectivity such
as transit, bicycling, walking, and by encouraging infill development
with a pedestrian-friendly urban design character.
See Community Character & Placemaking Chapter policy CC-P-34 Public Works
CR-P-13 Circulation
Maintain a standard of LOS D during peak hour conditions on all
streets in the City’s jurisdiction, with exceptions as noted below:
a) Brea Canyon Rd south of Diamond Bar Blvd (LOS F)
b) Brea Canyon Rd north of Diamond Bar Blvd (LOS E)
c) Grand Ave west of Country View Dr (LOS E)
d) Diamond Bar Blvd at SR-60 Eastbound Ramps (LOS F).
See Community Character & Placemaking Chapter policy CC-P-34 Public Works
CR-P-14 Circulation
Prioritize pedestrian movement and safety— through wider
sidewalks, more frequent pedestrian crossings, sidewalk bulbouts,
median pedestrian refuges etc.—rather than LOS in Community
Character Priority Areas, which are areas designated for higher
density mixed-use development in the General Plan.
See Section 4.4 for more detailed policies on bicycle and
pedestrian movement in mixed-use areas.
See Community Character & Placemaking Chapter goal CC-G-5 Public Works
CR-P-15 Circulation
Limit street right-of-way dimensions where appropriate to maintain
desired neighborhood character. Consider allowing narrower street
rights-of-way and pavement widths for local streets in new
residential subdivisions.
See Community Character & Placemaking Chapter policy CC-P-34 Public Works
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POLICY # CHAPTER GOALS & POLICIES STATUS DEPARTMENT
CR-P-16 Circulation
Allow exceptions to LOS standards upon findings by the City
Council that achieving the designated LOS would:
a) Be technologically or economically infeasible; or
b) Compromise the City’s ability to support other important
policy priorities, including but not limited to:
i. Promoting alternate modes of transportation;
ii. Ensuring pedestrian, bicycle and automobile safety,
comfort, and convenience;
iii. Reducing VMT and GHG emissions; and
iv. Preserving and enhancing character of the
community.
See Circulation Chapter policy CR-P-2 Public Works
Policies – Adaptive Traffic Control (ATCS) & Intelligent Traffic Systems (ITS)
CR-P-20 Circulation
Implement measures such as additional signal timing and
synchronization, speed limit regulations, and ITS techniques to
increase safety and reduce congestion. Maintain a pavement
management system and maintenance program for all public
roadways throughout the City.
See Land Use & Economic Development Chapter Policy LU-P-14
Pavement Rehabilitation Projects
Construction of the Diamond Bar Blvd Rehabilitation Project
between Pathfinder Road and Mountain Laurel Way was completed
in August 2021. The new project consists of a 2” - 4” pavement
grind/overlay and upgraded or newly constructed ADA curb ramps
where the existing ramps do not meet current ADA standards.
Design and preparation of plans specifications were completed for
the Area 1 Slurry Seal and Golden Springs Drive from Lemon
Avenue to Brea Canyon Road Pavement Rehabilitation Project
which will consists of a slurry seal on residential roads, a 2” - 4”
pavement grind/overlay and upgraded or newly constructed ADA
curb ramps where the existing ramps do not meet current ADA
standards.
Also applies to Circulation Chapter policy CR-P-43
Battery Back-Up and CCTV Replacement Program
Battery backup units are a critical part of the City’s public safety
efforts as they allow traffic signals to fully operate for a short period
then operate on red flash for several hours in an emergency resulting
in a power outage. CCTV cameras allow display live feeds of the
City’s most heavily used intersections, providing staff with the ability
to quickly view and diagnose any traffic or Public Safety concerns.
The City implemented a multi-year program to replace battery
backup systems that have reached their useful life on the City’s 66
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POLICY # CHAPTER GOALS & POLICIES STATUS DEPARTMENT
signalized intersections. The City is also implementing CCTV
cameras at intersections which do not already have them.
Also applies to Circulation Chapter policy CR-P-21
CR-P-21 Circulation
On an ongoing basis, examine opportunities to avoid delay,
spillover, or cut-through traffic onto Diamond Bar’s roadways
through techniques such as adaptive traffic control systems along
major corridors and traffic calming measures along cut-through
routes that would reduce speeds and discourage drivers from
electing to drive on them. Consider financial and technological
feasibility and community priorities to determine whether and how
strategies should be implemented.
See Land Use & Economic Development Chapter Policy LU-P-14
and Circulation Chapter policy CR-P-20 Public Works
Policies – Safety
CR-P-22 Circulation
Implement traffic calming measures to slow traffic on local and
collector residential streets and prioritize these measures over
congestion management where appropriate and feasible.
See Community Character & Placemaking Chapter Policy CC-P-11 Public Works
CR-P-23 Circulation
Maintain the integrity of existing residential areas and discourage
cut-through traffic by retaining cul-de-sacs and implementing other
traffic calming measures that promote safe driving at speeds
appropriate to the surrounding neighborhood, particularly at
Prospectors Road, Chaparral Drive, Sunset Crossing Road,
Lycoming Street, and Washington Street.
See Community Character & Placemaking Chapter Policy CC-P-11 Public Works
Policies – Inter-Jurisdictional Coordination
CR-P-26 Circulation
As opportunities arise, coordinate with other jurisdictions, including
neighboring cities, Los Angeles County, San Bernardino County,
and Caltrans, on improvements to street segments common to the
City of Diamond Bar and other jurisdictions.
Cooperative Agreement with Caltrans for Traffic Detour During
SR-57 Pavement Rehabilitation
Caltrans District 7 roadway resurfacing and restoration project along
the State Route 57 (SR-57) freeway (the "Project") between the
County line and near Grand Ave continued in 2021. Under California
Streets and Highways Code Section 93, Caltrans is authorized to
construct and maintain detours that may be necessary to facilitate
traffic movement where state highways are closed or obstructed by
construction or otherwise. The City of Diamond Bar roadways will be
affected during Project-related traffic detours. The Project estimates
16 extended weekend closure detours (over eight two -day
weekends) for the Project's duration, which will be scheduled to be
implemented during the low traffic hours. No long full closure was
scheduled in 2021, but two closures have been scheduled for early
2022. City staff and traffic consultants will be monitoring the traffic
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POLICY # CHAPTER GOALS & POLICIES STATUS DEPARTMENT
flow and adjusting the City traffic signals timing as needed to ensure
a steady flow of traffic during the detours. The City and Caltrans
negotiated a Traffic Detour Cooperative Agreement; the City will be
reimbursed for the traffic monitoring and signal adjustment and
additional Sheriff's Department services, as applicable. Per the
Agreement and upon completion of the Project, Caltrans, at its costs,
will restore the City streets impacted by the detours to their original
condition before the detours. To achieve that goal, Caltrans, in
coordination with the City staff, evaluated the condition of streets
before and after the Project.
The City is in discussion with the 57/60 Confluence project team for
a similar arrangement during that Project's construction
(commencing late 2022 or early 2023).
See Circulation Chapter policy CR-P-2 and Community Character &
Placemaking Chapter policy CC-P-64
CR-P-27 Circulation
Encourage improvements to regional routes and arterial streets to
account for environmental, aesthetic, and noise concerns, as well
as to provide adequate buffers to adjacent land uses.
See Community Character & Placemaking Chapter policies CC-P-1
and CC-P-64 Public Works
CR-P-29 Circulation Solicit State and Federal funds to improve area freeways and local
streets.
See Community Character & Placemaking Chapter goal CC-G-5 and
policy CC-P-64 Public Works
PEDESTRIAN AND BICYCLE CIRCULATION
Policies – Bicycle & Pedestrian Network
CR-P-30 Circulation
Use Figure 4-2: Proposed Bicycle Network as the overall guide for
undertaking bikeway and pedestrian improvements in the
community, with the Parks and Recreation Master Plan providing a
more detailed implementation strategy.
See Community Character & Placemaking Chapter policy CC-P-34 Public Works
Policies – Safety
CR-P-43 Circulation
When planning capital improvement programs, ensure that projects
incorporate measures that strengthen the protection of cyclists in
bike lanes by implementing improvements such as increasing
visibility of lane markings and signage, increasing bike lane widths,
raising lanes, designing safer intersection crossings and turns, and
buffering lanes from traffic wherever feasible, prioritizing bicycle
lanes along arterials.
See Circulation Chapter Policy CR-P-20 Public Works
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POLICY # CHAPTER GOALS & POLICIES STATUS DEPARTMENT
CR-P-45 Circulation
Routinely review pedestrian and cyclist collision data for type,
location, severity, and cause, and develop strategies to prevent
these collisions.
See Circulation Chapter policy CR-P-2 Public Works
PUBLIC TRANSPORTATION
Goals
CR-G-13 Circulation Support the availability, efficiency, and effectiveness of public
transit service.
SGV Public Transit Feasibility Study
In 2021, the San Gabriel Valley Council of Governments (SGVCOG)
– in partnership with Los Angeles Metro (Metro) – started conducting
a feasibility study to evaluate and improve mobility in the San Gabriel
Valley. The City has been actively participating in the Technical
Advisory Committee of the study. After the study provided its project
concepts, the City, in coordination with the other cities in the region,
reviewed the alternatives and provided its feedback on the
alternatives in an official letter.
Also applicable to Circulation Chapter policy CR-P-3
See Circulation Chapter policy CR-P-1
Public Works and City
Manager’s Office
Policies
CR-P-48 Circulation
As opportunities arise, work with Foothill Transit to maintain and
improve bus stops and shelters, as well as identify areas where
service can be improved or expanded to increase system use.
See Circulation Chapter policy CR-P-1 Public Works
PARKING
Policies
CR-P-54 Circulation Incorporate criteria in the Development Code to allow reductions in
parking requirements in exchange for VMT reduction measures. See Community Character & Placemaking Chapter policy CC-P-34 Public Works
GOODS MOVEMENT
Policies – Truck Routes
CR-P-60 Circulation Use Figure 4-4: Goods Movement as the guide for designating truck
routes in the City. See Land Use & Economic Development Chapter policy LU-P-56 Public Works
CR-P-62 Circulation
Maintain truck routes with signage between industrial areas and
freeway interchanges to discourage truck travel through residential
neighborhoods, and provide truck route information to truck routing
software providers.
See Land Use & Economic Development Chapter policy LU-P-56 Public Works
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CR-P-64 Circulation
Continue prohibiting trucks heavier than 5 tons from operating on
designated residential streets, except for emergency, maintenance,
residential moving trucks, and transit vehicles, to maintain
pavement integrity.
See Land Use & Economic Development Chapter policy LU-P-56 Public Works
CR-P-65 Circulation
Periodically review collision data for type, location, severity, and
cause. Develop countermeasures for sites with recurrent truck -
involved collisions.
See Circulation Chapter policy CR-P-2 Public Works
4. Resource Conservation
POLICY # CHAPTER GOALS & POLICIES STATUS DEPARTMENT
RESOURCE CONSERVATION
A conservation element is required to provide guidance for the conservation, development, and utilization of natural resource s, including water quality and hydraulic force, forests, soils, rivers and other waters,
harbors, fisheries, wildlife, minerals, and others as applicable to each jurisdiction. An open space element is intended to ensure that cities an d counties recognize that open space land is a limited and valuable
resource, and that they prepare and carry out open space plans to guide the comprehensive long-range preservation and conservation of open space land. The Resource Conservation Chapter provides policies
to guide the City’s stewardship of its resources, ensuring the conservation and enhancement of open spaces, biologic al resources, water and air quality, and cultural resources.
OPEN SPACE
Goals
RC-G-1 Resource Conservation
Create and maintain a balanced open space system that will
preserve scenic beauty and community identity, protect important
biological resources, provide open space for outdoor recreation and
the enjoyment of nature, conserve natural resources, and ensure
public health and safety.
The City worked with an environmental consultant (Michael Baker
International) to complete an Initial Study/Mitigated Negative
Declaration for the Canyon Loop Trail renovation project. Additional
surveys and mitigation measures are required in order to best protect
the trail and surrounding open space.
Parks & Recreation
Policies
BIOLOGICAL RESOURCES
Goals
RC-G-6 Resource Conservation
Utilize native and drought-tolerant vegetation in landscaping, site
stabilization and restoration where practical to prevent the spread
of invasive plant species into natural open spaces.
During project review, the Planning Division ensures that the plant
palette is diverse, Southern California native and drought-tolerant
vegetation is utilized, and that planting and irrigation plans are
designed and installed in compliance with the City’s Water Efficient
Landscaping Ordinance.
Community
Development
Policies
RC-P-9 Resource Conservation
Require, as part of the environmental review process prior to
approval of discretionary development projects involving parcels
within, adjacent to, or surrounding a significant biological resource
area, a biotic resources evaluation of the site by a qualified biologist.
Staff is processing entitlements for a residential project that includes
the development of seven new single-family residences. As part of
the CEQA process, the applicant submitted a biological resources
assessment and arborist report. The biological resources
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Focused plant surveys shall be conducted at the appropriate time
of year, and local reference populations checked to ensure
detectability of the target species. Wildlife shall also be evaluated
by a qualified biologist through appropriate survey or trapping
techniques necessary to determine presence. Such evaluation shall
analyze the existing and potential natural resources of a given site
as well as the potential for significant adverse impacts on biological
resources. The report shall identify measures to avoid, minimize, or
mitigate any impacts to species that have been observed or have
the potential of being present on the site. In approving any permit
based on the evaluation, the City shall require implementation of
mitigation measures supported by the evaluation, or work with the
applicant to modify the project if mitigation is determined not to be
adequate to reduce the impacts to a non-significant level.
assessment included a general biological survey and a focused
botanical survey. The City was provided a list of recommended
mitigation measures to avoid, minimize, or mitigate any impacts to
species that have been observed or have the potential of being
present on the site.
The Planning Commission and City Council will consider the
environmental findings and recommended mitigation measures
during the public hearings for the proposed project.
RC-P-10 Resource Conservation
Require, to the greatest extent feasible, new development to
preserve mature native trees including oak and walnut, and trees of
significant cultural or historical value such as sycamore and arroyo
willow, etc., as set forth under the Diamond Bar Tree Preservation
and Protection Ordinance. Review the ordinance periodically and
update it as necessary to reflect current best practices.
The Planning Division reviews each project to evaluate if a protected
tree can be preserved or retained on site. If preservation is not
feasible, trees are required to be replanted at a minimum 3:1 ratio
pursuant to the City’s Tree Preservation and Protection Ordinance.
Currently, the Planning Division is processing entitlements for a
residential project which includes the development of seven single-
family residences. As part of the project, a Tree Permit is being
requested for the removal of 62 existing protected trees consisting
of 58 Southern California black walnuts and four coast live oaks.
Consistent with the City’s Tree Preservation and Protection
Ordinance, the applicant is proposing to replant mitigation trees on
site with 201 Southern California black walnuts and 12 coast live
oaks. All other protected trees that are not within the development
area are being retained and preserved in place.
Community
Development
WATER RESOURCES
Goals
RC-G-7 Resource Conservation
Protect waterways—including creeks, riverines, artesian springs,
seeps, and wetlands—and watersheds in Diamond Bar from
pollution and degradation as a result of urban activities.
See Land Use & Economic Development Chapter policy LU-P-56
and Public Safety Chapter goal PS-G-4 Public Works
RC-G-12 Resource Conservation Pursue methods to control, capture, and reuse stormwater runoff
for the purposes of groundwater recharge and local water recovery. See Land Use & Economic Development Chapter policy LU-P-5 Public Works
Policies – Water Quality
RC-P-22 Resource Conservation Protect and, where feasible, enhance or restore the City’s
waterways and drainages, preventing erosion along the banks, See Community Character & Placemaking Chapter policy CC-P-6 Public Works
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removing litter and debris, and promoting riparian vegetation and
buffers.
RC-P-23 Resource Conservation
Ensure that post-development peak stormwater runoff discharge
rates do not exceed the estimated predevelopment rate and that dry
weather runoff from new development not exceed the pre-
development baseline flow rate to receiving water bodies.
See Land Use & Economic Development Chapter policy LU-P-56 Public Works
AIR QUALITY
Policies
RC-P-24 Resource Conservation
Encourage new development to minimize impacts on air quality
through the following measures: a. Use of building materials and
methods that minimize air pollution. b. Use of fuel -efficient heating
equipment, and other appliances, such as water heaters, swimming
pool heaters, cooking equipment, refrigerators, furnaces, boiler
units, and low or zero-emitting architectural coatings. c. Use of
clean air technology beyond what is required by South Coast Air
Quality Management District (SCAQMD), leveraging State and local
funding sources.
• Building & Safety implements the California Green Building
Code (CALGreen). Whenever a building permit is issued for
construction, CALGreen requires the building inspector to
verify the reduction of dust and volatile organic compounds
(VOCs). Dust control measures include watering of dirt on
projects that are moving earthwork and VOCs are limited in
quantity by requiring materials with certified lower VOCs be
used.
• Through the implementation of the California Energy Code
and CALGreen, more efficient equipment and reduced VOC’s
are required respectively. The CA Energy Code requires
highly efficient heating and cooling systems through requiring
high seasonal energy efficiency ratings and energy efficient
materials such as low-E (low emissivity) windows. The CA
Energy Code also requires high efficacy lighting, energy
efficient switching and sensors, certified cooktop hoods,
rooftop solar installations in new construction, and mostly
instantaneous water heaters for new construction. CALGreen
requires low emitting architectural coatings through limiting
the VOC’s and requiring certified listed low-emitting products
including paints and sealants.
• CALGreen requires clean air within buildings including
through requiring higher minimum efficiency reporting value
(MERV) filters and minimum outdoor air circulation. Higher
filtration removes contaminants and outdoor air circulation
reduces carbon dioxide levels within structures.
Community
Development
RC-P-26 Resource Conservation
Ensure that new development projects are designed and
implemented to be consistent with the South Coast Air Quality
Management Plan.
The Building & Safety Division follows various SCAQMD rules
including requiring SCAQMD proof of notification before some
projects are demolished, preventing wood burning fireplaces from
being installed, prevention of excessive dust on construction sites,
and requiring notification of SCAQMD for char-broilers.
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Development
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POLICY # CHAPTER GOALS & POLICIES STATUS DEPARTMENT
RC-P-28 Resource Conservation
Cooperate with the ongoing efforts of the U.S. Environmental
Protection Agency (EPA), SCAQMD, the Southern California
Association of Governments (SCAG), and the State of California Air
Resources Board in improving air quality in the regional air basin.
The Building & Safety Division requires all construction projects to
provide proper mechanical ventilation systems pursuant to the
California Mechanical Code. The California Building Code limits
the amount of hazardous materials on a site which could lead to
further toxic air contaminants. During construction, dust mitigation
and erosion control are required and enforced by the building
inspector on any construction project. The remainder of this work
is conducted through the Public Works Department.
EV Charging Stations at City Hall
Five (5) public Level 2 EV Charging stations were installed at the
City Hall in 2021 by using grant funding received from AQMD.
Community
Development
Public Works
RC-P-30 Resource Conservation
For new or modified land uses that have the potential to emit dust,
odors, or TACs that would impact sensitive receptors, require the
business owners to obtain all necessary SCAQMD clearances or
permits prior to business license or building permit issuance.
Sensitive receptors include residences, schools, childcare
centers, playgrounds, parks and other recreational facilities,
nursing homes, hospitals, and other medical care facilities.
The Public Works Department requires an erosion control plan to be
provided prior to permit issuance which would include sandbags
around the property and intermittent watering of a grading site. Prior
to any demolition, the Building & Safety Division requires that AQMD
to be notified before permits are issued.
Community
Development and
Public Works
RC-P-33 Resource Conservation
Require construction and grading plans to include State and
AQMD-mandated measures to the maximum extent possible
fugitive dust and pollutants generated by construction activities and
those related to vehicle and equipment cleaning, fueling and
maintenance as well as mono-nitrogen oxides (NOx) emissions
from vehicle and equipment operations.
Public Works implements all dust control measures during grading
with assistance from Building & Safety during construction.
See Land Use & Economic Development Chapter policy LU-P-56
Community
Development and
Public Works
CULTURAL AND HISTORIC RESOURCES
Policies – Tribal Cultural Resources
RC-P-46 Resource Conservation
Conduct project-specific Native American consultation early in the
development review process to ensure adequate data recovery and
mitigation for adverse impacts to significant Native American sites.
Ensure that City staff and local developers are aware of their
responsibilities to facilitate Native American consultation under
Senate Bill 18 and Assembly Bill 52.
On September 22, 2020, the City sent notification letters via certified
mail and email to the designated representatives of eight California
Native American tribes to identify tribal cultural resources in or near
the proposed 12.9-acre seven-lot residential subdivision project site
located between the southern terminus of Crooked Creek Drive and
the southern City limits and east of the SR-57 Freeway and Brea
Canyon Road.
On September 23, 2020, the City received a letter from the
Gabrieleño Band of Mission Indians (Kizh Nation), indicating that the
Project area lies in an area where the ancestral territories of the Kizh
(Kitc) Gabrieleño villages adjoined and overlapped and requested
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consultation. The City met with representatives of the Kizh Nation on
December 9, 2020. If the project is approved, the project will comply
with the tribe's request to retain a culturally-affiliated Native
American monitor to observe earthmoving activities for the purpose
of identifying the potential presence of any significant historic or
prehistoric cultural resources.
5. Public Facilities and Services
POLICY # CHAPTER GOALS & POLICIES STATUS DEPARTMENT
PUBLIC FACILITIES & SERVICES
This Chapter sets forth the policy framework for the City to manage infrastructure and services, identify areas for improvement, and ensure that public utilities, services, and programs can meet the needs of the community
into the future.
PARKS & RECREATION
Goals
PF-G-1 Public Facilities &
Services
Maintain and expand the system of parks, recreation facilities, open
spaces, and trails that meet the active and passive recreational
needs of residents of all ages and abilities.
The Parks and Recreation Department, along with Public Works
Department, continues to update outdoor court lighting, youth
playgrounds, and design Canyon Loop Trail renovations.
Facility Maintenance Software
The City transitioned its maintenance software to a cloud -based
system which will facilitate using the software at all parks and
facilities regardless of access to the City Hall network and Wi-Fi.
Heritage Park Building Roof
In 2021, the City completed retrofitting of the roof of the Heritage
Park building, which will extend the life of an important City facility.
See Community Character & Placemaking Chapter policy CC-P-6
Parks and Recreation
Public Works
Policies – General
PF-P-3 Public Facilities &
Services
Identify and pursue funding and financial resources to acquire land
for parks and to continue providing high quality maintenance of
parks, trails, and recreational facilities.
Staff applied for Proposition 68 State funding, Measure A and
Measure W funding to improve and create parks and open space. Parks and Recreation
PF-P-12 Public Facilities &
Services
Routinely review existing funding mechanisms and seek new
funding opportunities to support additional parks and recreation Landscape Assessment Districts Public Works
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facilities and programs, such as State and federal grants, Park
Bonds and property tax assessments, Community Facility Districts,
and Lighting and Landscape Assessment Districts.
Landscape Assessment District Nos. 39 and 41 have been
subsidized by the City’s General Fund for over ten years. After an
unsuccessful balloting process to increase the assessment amount,
in 2019, the City initiated the process to dissolve both districts in
2021. Subsequently, in response to the request by the communities
in both districts, the City postponed the dissolution for District 39 to
2022 and moved forward with the dissolution and another round of
balloting for District 41. As a result, District 41 was dissolved in
2021, and District 41-2021 was formed to replace the dissolved
district with an identical service area. Due to the higher assessment
(with the option to increase by CPI up to 3% annually), District 41 is
self-supporting again after over a decade. This eliminated the need
to subsidize the district by General Fund. It’s a success story of
cooperation between the community and the City. Building on the
same experience and lessons learned for community outreach and
involvement, the City initiated a similar process for District 39 in
2021. The balloting process for District 39 is scheduled for March
2022.
Also see Community Character & Placemaking Chapter policy CC-
P-6
PF-P-16 Public Facilities &
Services
Continue to provide programming and services for seniors,
including active programs, classes, and activities and outings,
adjusting programming based on needs and preferences,
particularly as Diamond Bar’s residents age.
The Parks and Recreation Department has modified many programs
to include virtual delivery methods and implemented Covid-19 safety
measures to re-open safely per guidelines issued by LA County
Department of Public Health.
Parks and Recreation
Policies – Trails
PF-P-21 Public Facilities &
Services
Seek grants and alternative funding mechanisms for trail
development and maintenance.
Staff applied for Proposition 68, Measure A, Measure W, and Habitat
Conservation Grant funding. Parks and Recreation
UTILITIES
Goals
PF-G-6 Public Facilities &
Services
Ensure that public facilities and services, including water,
wastewater, sewage, electricity, natural gas, and solid waste, are
provided in a safe, efficient, and timely manner to meet the current
and future needs of the city.
Sewer Pump Stations Refurbishment
In 2019, a wastewater system master plan was prepared. In 2020,
the County of Los Angeles Department of Public Works hired a
consultant to design two of the pump stations that were assigned the
highest priority for refurbishment in the master plan. In 2021, the City
assisted the County in field investigations and stakeholder meetings
to prepare conceptual design alternatives for two pump stations in
the City.
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New Underground Utility District
In 2021 the City studied different project alternatives to create a new
Underground Utility District (UUD) by using the City’s $1.6M Rule
20A undergrounding work credit. Subsequently, the City worked with
Southern California Edison (SCE) to evaluate financial feasibility and
constructability for each option. Eventually, the most feasible
alternatives were shared were the City Council. The City Council
approved Brea Canyon Dr. UUD to go through the formation
process. The City Council established the UUD by adopting a
Resolution after a public hearing and an approval letter from SCE.
The Resolution was shared with SCE to activate the City’s Rule 20A
program. The project is currently under design by SCE’s consultant.
The Design work is anticipated to complete by mid-2022.
Also applies to Public Facilities & Services Chapter policies PF-P-37
and PF-P-38
Policies – Water & Wastewater
PF-P-37 Public Facilities &
Services
As opportunities arise, work with the Los Angeles County Public
Works Department (LACPWD) and Los Angeles County Sanitation
District (LACSD) to ensure that wastewater treatment conveyance
systems and treatment facility capacity is available to serve planned
development within Diamond Bar.
See Public Facilities & Services Chapter goal PF-G-6 Public Works
PF-P-38 Public Facilities &
Services
Continue to monitor and assess wastewater and sewer system
operations to identify and subsequently address system
deficiencies.
See Public Facilities & Services Chapter goal PF-G-6 Public Works
6. Public Safety
POLICY # CHAPTER GOALS & POLICIES STATUS DEPARTMENT
PUBLIC SAFETY
The purpose of this Chapter is to identify the natural and man -made public health and safety hazards that exist within the City, and to establish preventative and responsive policies and p rograms to mitigate
their potential impacts, particularly in light of our unique environmental, seismic, and topographic conditions. This Chapter also addresses the excellent public safety services provided by the L.A. County Sheriff’s
and Fire Departments, and endorses the continuation of the contract model of government for the continuation of these services. Lastly, the Public Safety Chapter addresses noise and serves to limit the exposure
of the community to excessive noise levels. The Goals and Policies emphasize partnerships with local, regional and State agencies to ensu re the City’s readiness for public safety threats through action plans
and educational efforts.
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SEISMIC AND GEOLOGIC HAZARDS
Goals
PS-G-1 Public Safety
Partner with the Los Angeles County Fire and Sheriff’s Departments
in community education efforts aimed at preventing potential loss of
life, physical injury, property damage, public health hazards, and
nuisances from seismic ground shaking and other geologic hazards
such as landslides and mudslides.
The City and its public safety partners continue outreach efforts to
residents on safety, including earthquake, fire, emergency
preparedness topics, and most importantly the COVID-19 pandemic.
The City’s public safety partners work in coordination with the City’s
Public Information Division to communicate time-sensitive
information to residents through the City’s website, as well as the
Neighborhood Watch Program. The City also distributes outreach
materials via print and electronic media that focuses on public safety
and emergency preparedness related topics, such as earthquake
preparedness, as well as important and timely public health orders
and social distancing guidelines.
Also applies to Public Safety Chapter policy PS-P-5 and goal PS-G-
5
City Manager’s Office
Policies
PS-P-2 Public Safety
Require areas identified as having significant liquefaction potential
(including secondary seismic hazards such as differential
compaction, lateral spreading, settlement, rock fall, and landslide)
to undergo site-specific geotechnical investigation prior to
development and to mitigate the potential hazard to a level of
insignificance or, if mitigation is not possible, to preserve these
areas as open space or agriculture.
Figure 7-3 (Page 7-8 of the Public Safety Element) shows
areas where historical occurrence of liquefaction, or local
geological, geotechnical, and groundwater conditions
indicate a potential for permanent ground displacements.
Through the development review process, all projects proposing
development on lands with known geotechnical and/or geological
issues, including lands identified as Restricted Use Area (RUA), are
required to prepare a Geotechnical Study, acceptable to the City
Engineer, pursuant to Municipal Code requirements as provided in
Diamond Bar Municipal Code Section 15.00.320.
Public Works
PS-P-3 Public Safety
Periodically update the grading standards to supplement the State
and local building and construction safety codes with detailed
information regarding rules, interpretations, standard specifications,
procedures requirements, forms, and other information applicable
to control excavation, grading, and earthwork construction, and
provide guidelines for preparation of geotechnical reports in the city.
See Land Use & Economic Development Chapter policy LU-P-56 Public Works
PS-P-4 Public Safety
Carry out a review of City-owned critical facilities that may be
vulnerable to major earthquakes and landslides and develop
programs to upgrade them.
Diamond Bar Center Slope Stabilization Project
The City became aware of concrete separations along the northern
side of the Diamond Bar Center. A decision was made to take
preventative measures to ensure long-lasting slope stability and
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prevent any potential risk to the facility. Therefore in 2020, the City
conducted a geotechnical investigation and sampled the soil
conditions of the northern slope at the facility. All geotechnical
characterization and lab analyses of the subsurface soil conditions
were complete. This data was utilized to prepare a formal soil report
to develop design plans and project specifications. The design of a
slope stabilization engineering solution was completed in 2021. The
construction work will be recommended to be included in the CIP for
FY 2022/23.
Also applies to Public Safety Chapter policy PS-P-6
PS-P-5 Public Safety
Develop a City-based public awareness/ earthquake preparedness
program to educate the public about seismic hazards and what to
do in the event of an earthquake.
See Public Safety Chapter goal PS-G-1 City Manager’s Office
PS-P-6 Public Safety
Prevent and control soil erosion and corresponding landslide risks
on public property and in conjunction with new private development
through hillside protection and management.
See Public Safety Chapter policy PS-P-4 Public Works
Department
FLOOD HAZARDS AND PROTECTION
Goals
PS-G-2 Public Safety
Implement measures aimed at preventing the potential for loss of
life, physical injury, property damage, public health hazards, and
nuisances from the effects of a 100- year storm and associated
flooding.
The City has prepared a comprehensive update to the City’s Natural
Hazard Mitigation Plan (Plan) with the assistance of a Federal
Emergency Management Agency (FEMA) grant. The Plan Update
includes an all-hazards summary of potential risks to the City from
earthquakes, fires, floods, severe storms, and other natural
disasters. The Plan will provide information to assist the City in
planning for 100-year floods, significant earthquakes, all with the
ultimate goal of minimizing the loss of life and damage to property.
The Plan, in concert with the City’s Emergency Operations Plan
(EOP), can eventually be used to support resilient planning,
mitigation, reconstruction strategies, and response efforts to climate
conditions and incidents impacting the community. The Plan review
process included a public comment period in late 2021, with
submission of the Plan to CalOES and FEMA in early 2022. Very
High Severity Fire Zones have been mapped throughout the City
hillside areas requiring new construction to be fire-resistant at
exterior surfaces exposed to wildland areas.
Also applies to Public Safety Chapter goals PS-G-3 and PS-G-8 and
policies PS-P-7, PS-P-38, PS-P-39, and PS-P-44.
City Manager’s Office
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Policies
PS-P-7 Public Safety
Work with the Federal Emergency Management Agency (FEMA) as
needed to ensure that the City’s floodplain information is up to date
with the latest available hydrologic and hydraulic engineering data.
See Public Safety Chapter goal PS-G-2 City Manager’s Office
FIRE HAZARDS
Goals
PS-G-3 Public Safety
Partner with the Los Angeles County Fire Department and affiliated
agencies to implement hazard mitigation plans and community
education efforts aimed at preventing the potential for loss of life,
physical injury, property damage, public health hazards, and
nuisances from wildland and urban fires.
See Public Safety Chapter goal PS-G-2 City Manager’s Office
Policies – General
PS-P-14 Public Safety
Educate the public about fire hazards and fire prevention. Work
with the County of Los Angeles Fire Department and CAL FIRE to
disseminate information on fire weather watches and fire risks and
encourage all Diamond Bar residents to engage in risk reduction
and fire preparedness activities.
The Los Angeles County Fire Department maintains
information on family fire preparedness plans and risk
reduction measures such as vegetation management.
The City continues to expand upon public education and outreach
efforts to educate residents, including the COVID-19 pandemic, fire
and weather-related hazards, through a variety of platforms such as
City’s website, monthly DBConnection newsletter, public
presentations, emergency alert system, and informational videos.
The information, in collaboration with City and Public Safety partners
with Los Angeles County Sheriff and Fire Departments, is aimed at
improving public safety preparedness efforts, increase resident
awareness, and ensure compliance with State and County Public
Health Orders.
Also applies to Public Safety Chapter goal PS-G-9 and policies PS-
P-18 and PS-P-42
City Manager’s Office
PS-P-16 Public Safety
For privately-owned property within areas designated for
development that are subject to high wildfire risk, condition approval
of development upon the implementation of measures to reduce
risks associated with that development, including, but not limited to,
fuel modification plans and Fire Code requirements in effect at the
time of project approval.
Prior to building permit issuance, all residential projects located in
the High Fire Hazard Severity Zone are required to submit landscape
plans designed to comply with the requirements of the Los Angeles
County Fire Department’s Fuel Modification Plan Guidelines in terms
of plant selection, placement and maintenance. The final landscape
and fuel modification plans are submitted to the Los Angeles Fire
Department for review and approval.
Community
Development
PS-P-18 Public Safety
Work cooperatively with the County of Los Angeles Fire
Department, CAL FIRE, and fire protection agencies of neighboring
jurisdictions to address regional wildfire threats.
See Public Safety Chapter policy PS-P-14 City Manager’s Office
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HAZARDOUS MATERIALS AND OPERATIONS
Goals
PS-G-4 Public Safety
Support the enforcement of applicable local, County, State, and
federal regulations pertaining to the manufacture, use,
transportation, storage and disposal of hazardous materials and
wastes in the City with the primary focus on preventing injury, loss
of life, and damage to property resulting from the poten tial
detrimental effects (short- and long-term) associated with the
release of such substances.
NPDES Business Inspections
Per the State Water Board’s NPDES MS4 permit, the City of
Diamond Bar is required to perform stormwater inspections every 5
years for certain commercial/industrial facilities identified in the
permit. Diamond Bar has roughly 200 applicable facilities which
include restaurants, auto repair shops, and retail gasoline outlets,
among others. The City prepared all required information and
coordinated with a consultant, who performed these inspections on
the City’s behalf. The inspector visited each business in person,
educated the business owners on permit requirements, and
performed inspections identifying any NPDES compliance
issues. The first round of inspections for about 100 businesses was
completed between January – March 2021.
Also applies to Resource Conservation Chapter goal RC-G-7
Public Works
Policies
PS-P-28 Public Safety
Promote public awareness and participation in household
hazardous waste management, solid waste, and recycling
programs.
For additional policies related to household hazardous waste
management, solid waste, and recycling programs, see
Chapter 8: Community Health and Sustainability Element.
The City’s contracted residential and commercial waste haulers
continue to offer comprehensive waste collection and curbside
recycling services citywide. Curbside recycling services include
collection of green waste; bulky items; and household hazardous
waste, including electronic waste, used oil, paint products, batteries,
garden chemicals, household chemicals and hypodermic needles.
All City and LA County environmental programs are promoted
through a wide variety of outlets, and on an ongoing basis. Program
specific flyers and post cards are distributed at City Hall, the
Diamond Bar Library, Diamond Bar Center, Heritage Park, during
events, and as billing inserts. City media outlets include the annual
EnviroLink newsletter, the monthly City newsletter DB Connection,
an extensive website, and DBTV Channel 3. Additionally, each of the
City's waste haulers maintains a website that highlights available
programs and instructions for participation. Used motor oil recycling
kits (containing a drain container, funnel, filter bags, shop towels,
and a filter wrench) were distributed to interested do -it-yourselfers
community events, and from City Hall.
The City also works with Los Angeles County Public Works to
provide a Household Hazardous Waste (HHW) event in the City
once a year. The HHW event takes most forms of electronic and
hazardous waste including paint, batteries, and other toxic materials
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that are recycled and do not enter the waste stream. The City
promotes the Los Angeles County Public Works HHW events
throughout the year in addition to promoting the County’s hotline 1 -
888-CLEAN LA and their dedicated website.
SHERIFF, FIRE, AND EMERGENCY SERVICES
Goals
PS-G-5 Public Safety
Maintain safety services that are responsive to citizens’ needs to
ensure a safe and secure environment for people and property in
the community.
See Public Safety Chapter goal PS-G-1 City Manager’s Office
PS-G-6 Public Safety
Support community-based policing partnerships to enhance public
awareness of crime prevention and strengthen the relationship
between the Los Angeles County Sheriff’s Department and
neighborhoods throughout the city.
The City continued to distribute information through its “Let’s Talk
Public Safety” program in a socially distanced format, primarily
through law enforcement safety blogs and videos. This is a
collaboration between the City, the Los Angeles County Sheriff’s
Department, and the Los Angeles County Fire Department, and is
an extension of the existing Neighborhood Watch and Business
Watch programs. The “Coffee with a Cop” meetings were placed
were held when possible, and placed on hiatus when necessary
under public health guidelines.
Also applies to Public Safety Chapter policy PS-P-30
City Manager’s Office
PS-G-7 Public Safety Provide effective emergency preparedness and response
programs. See Public Safety Chapter policy PS-P-37 City Manager’s Office
Policies
PS-P-35 Public Safety
Work cooperatively with the Los Angeles County Fire Department,
CAL FIRE, and fire protection agencies of neighboring jurisdictions
to ensure that all portions of the Planning Area are served and
accessible within an effective response time.
Wildfire Prevention in Assessment Districts
The City continues to provide fire brush and other wildfire
prevention related maintenance at the Landscape Assessment
Districts 39 and 41-2021.
See Circulation Chapter policy CR-P-2
Public Works
PS-P-37 Public Safety
Maintain area-wide mutual aid agreements and communication
links with adjacent governmental authorities and other participating
jurisdictions.
The City continues to expand upon its emergency preparedness and
response capabilities through testing and exercises. The dedicated
EOC provides the City with added flexibility to coordinate and
respond to emergencies, provide redundant communications to
public safety agencies, and enable added communications to
residents. City Hall also has a backup power generator to ensure
critical systems are operational in the event of a prolonged
emergency outage, with redundant communications capabilities
including the Sheriff’s Department and County Office of Emergency
Management (OEM). Since the onset of the COVID-19 pandemic,
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the City EOC has been activated virtually to monitor impacts to the
City and coordinate response efforts with County Office OEM, local
school districts, and adjoining municipalities.
Also applies to Public Safety Chapter goal PS-G-7 and policies PS-
P-40, PS-P-41, and PS-P-43
EMERGENCY AND DISASTER MANAGEMENT
Goals
PS-G-8 Public Safety
Use the Local Hazard Mitigation Plan and Emergency Operations
Plan to address mitigation and response for local hazards, including
seismic hazards, flood hazards, fire hazards, hazardous materials
incidents, and hazardous sites, and to plan for the protection of
critical facilities (i.e., schools, hospitals), disaster and emergency
response preparedness and recovery, evacuation routes, peak load
water supply requirements, and minimum road width and clearance
around structures.
See Public Safety Chapter goal PS-G-2 City Manager’s Office
PS-G-9 Public Safety
Conduct emergency and disaster management planning in a
collaborative manner with State and local agencies and neighboring
jurisdictions, while striving for self-sufficiency in City-level
emergency response.
See Public Safety Chapter policy PS-P-14 City Manager’s Office
Policies
PS-P-38 Public Safety
Maintain, review, and update Diamond Bar’s Local Hazard
Mitigation Plan as needed to take into account new hazard
conditions in the Planning Area and new emergency management
techniques.
See Public Safety Chapter goal PS-G-2 City Manager’s Office
PS-P-39 Public Safety
Adopt, implement and update as necessary the Local Hazard
Mitigation Plan to develop strategies to address changing risks from
flood, drought, fire, landslides, seismic activity, hazardous
materials, and other potential hazards, including strategies related
to monitoring, emergency preparedness, development policies,
conservation, vulnerable populations, and community resilience.
See Public Safety Chapter goal PS-G-2 City Manager’s Office
PS-P-40 Public Safety
Continue to coordinate the City’s emergency preparedness and
response plans and operations with the State Office of Emergency
Management, Los Angeles County, schools, and other neighboring
jurisdictions.
See Public Safety Chapter policy PS-P-37 City Manager’s Office
PS-P-41 Public Safety
Maintain and expand as necessary community emergency
preparedness resources including personnel, equipment, material,
specialized medical and other training, and auxiliary
communications.
See Public Safety Chapter policy PS-P-37 City Manager’s Office
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PS-P-42 Public Safety
Continue to disseminate public information and alerts regarding the
nature and extent of possible natural and manmade hazards,
resources identifying measures residents and businesses can take
to prepare for and minimize damage resulting from these hazards,
citywide response plans, and evacuation routes.
• The City and its public safety partners continue outreach
efforts on safety topics, including earthquakes, wild fires,
weather-related impacts, and emergency preparedness.
Information and education resources are made available to
residents and businesses through a variety of print and
electronic platforms, including the City’s monthly newsletter-
Diamond Bar Connection and City website.
• The City launched a new Emergency Alert notification system
and continues to promote registration of residents and
businesses to receive time-sensitive notices by email, text or
voicemail regarding emergency situations, such as
evacuations or roadway closures.
• In response to the Coronavirus Pandemic (COVID-19), the
City continues to manage a dedicated resource hub on the
City web to provide COVID-19 prevention and education,
information regarding temporary changes to City operations,
virtual programs and meetings. Additionally, information is
distributed to residents and businesses via print, electronic
notices and signage posted at City facilities.
Public Information
PS-P-43 Public Safety
Require all City staff to be adequately trained to respond to
emergency situations, and conduct regular emergency
preparedness drills with local organizations including the Los
Angeles County fire and Sheriff’s departments.
See Public Safety Chapter policy PS-P-14 City Manager’s Office
PS-P-44 Public Safety
Leverage pre- and post-disaster assistance programs to support
resilient planning, mitigation, and reconstruction strategies that
consider future climate conditions, such as the California
Governor’s Office of Emergency Services’ Hazard Mitigation Grant
Program and California Disaster Assistance Act.
See Public Safety Chapter policy PS-P-37 City Manager’s Office
NOISE
Policies
PS-P-51 Public Safety
Coordinate with the Union Pacific Railroad and other agencies and
private entities to consider the implementation of a railroad quiet
zone and other methods of reducing railroad noise impacts on
surrounding noise-sensitive uses along the Union Pacific Railroad
line adjacent to the city.
Lemon Ave Railroad Quiet Zone
The City has been working with the City of Industry and Union Pacific
Railroad (UPRR) to establish a quiet zone on Lemon Ave and the
railroad intersection area. In a quiet zone, railroads have been
directed to cease the routine sounding of their horns when
approaching public highway-rail grade crossings. An agreement
with UPRR was developed and is anticipated to be signed in 2022
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for the design and construction of the quiet zone establishment pre -
requisites. The City of Industry is the lead agency on this project.
PS-P-52 Public Safety
Ensure that noise attenuation facilities are installed as feasible in all
noise-sensitive areas impacted by County, State, or federal
highways through coordination with Caltrans and the Federal
Highway Administration.
See Community Health & Sustainability Chapter Public Health And
Environmental Justice policies goal CHS-P-29 Public Works
7. Community Health & Sustainability
POLICY # CHAPTER GOALS & POLICIES STATUS DEPARTMENT
COMMUNITY HEALTH & SUSTAINABILITY
The Goals and Policies in this Chapter identify strategies to facilitate healthy and active lifestyles, social connections an d celebrating diversity, access to healthy food, and climate change resilience. Many of
these strategies could be incorporated into existing or future City programs and Development Code standards.
ACTIVE LIFESTYLE
Policies
CHS-P-2 Community Health &
Sustainability
As resources become available and appropriated through the
municipal budget process, improve signs directing residents and
visitors to public parks and recreational facilities from all parts of the
community. Integrate parks and recreation signage with bikeway
and pedestrian-oriented signage systems throughout Diamond Bar.
Staff revised and implemented the Healthy DB program which
encourages residents to participate and complete in monthly healthy
challenges. This program encourages residents to utilize City parks
or their own homes to discover new opportunities that promote well-
rounded health and a sense of comradery.
Parks and Recreation
CHS-P-3 Community Health &
Sustainability
Promote physical activity and active transportation programs
through events sponsored by the City, particularly the Parks &
Recreation Department.
During the COVID-19 pandemic, the City created a virtual recreation
webpage to encourage social distancing while continuing to actively
participate in Parks and Recreation programs, events and services.
These events included exercise classes, cooking demonstrations,
and Tiny Tot educational experiences to name a few.
Parks and Recreation
SOCIAL CONNECTION
Policies
CHS-P-7 Community Health &
Sustainability
Continue to support and promote citywide events that integrate
families, schools, and the greater community.
City-wide, outdoor special events were implemented again
beginning Summer of 2021. Parks and Recreation
PUBLIC HEALTH AND ENVIRONMENTAL JUSTICE
CHS-P-29 Community Health &
Sustainability
Incorporate noise mitigation measures, which could include buffers,
noise barriers, or natural open space, and vegetation, between new
sensitive uses such as residential units and schools, and major
noise polluters such as SR-57 and SR-60, the Metrolink Riverside
rail line, and heavy industry.
57/60 Confluence Sound Walls
The 57/60 Confluence project design was completed by Metro in
2021 and is being reviewed for final approval by Caltrans. The City
was participated in the design process and ensured the new project
included adequate noise barriers and sound walls.
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POLICY # CHAPTER GOALS & POLICIES STATUS DEPARTMENT
Also applies to Public Safety Chapter policies goal PS-P-52
See Community Character & Placemaking Chapter Policy CC-P-11
CHS-P-30 Community Health &
Sustainability
Support a better informed and civically engaged community by
making information available both in print and electronic format,
and, to the extent possible, provide this information in the
languages predominantly spoken in the community.
• The City continues to use a variety of print, electronic and
online communication tools to provide information about local
and regional programs and services that may affect resident
quality of life. Information is made available to residents via
the City website, electronic newsletters, social media
platforms, the City’s printed monthly newsletter (Diamond Bar
Connection), and virtual presentations.
• In response to COVID-19 safety guidelines restricting in-
person gatherings, the City continues to offer all City Council
and Commission meetings in a teleconference format t o
ensure public participation.
• The City hosted its inaugural Citizen’s Academy in May 2021.
Due to COVID-19 health and safety guidance, the series was
held virtually using live video and a prepared presentation.
Participants learned about a wide variety of topics, including
how the City was formed, how the City is governed and the
role of the City Council, City Manager, and staff, how the City
operates and the services each department provides, and
finally, how the City is funded.
• The City launched a new and updated mobile application,
Diamond Bar Connected, which provides residents with
comprehensive City information via any mobile device. The
app allows users to request services, access various
interactive maps, search a directory of phone numbers and
emails to contact staff, and view the latest news releases from
city hall.
• A new Citizen Request Manager, or online public service
request platform, was implemented offering a streamlined,
user-friendly way for residents to contact city hall via a
desktop computer and mobile device. The system,
SeeClickFix, allows users to communicate directly with staff
responsible for the request and allow them to receive updates
via email, text or view on an online map.
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POLICY # CHAPTER GOALS & POLICIES STATUS DEPARTMENT
• New Appointment System was put into place to address
COVID-19 in-person service restrictions. Those wishing to do
business with the City may go online and request an
appointment for a variety of services, including business
license applications, construction permits or facility
reservation tours. Users may select to have their
appointment take place over video, through a phone call, or
in-person.
• The City has launched a new Open Data Portal to provide
various city service data sets. The first data set is public
safety-focused and contains statistics on calls for service,
arrests, and incidents of serious offenses, known as Part 1
crimes, that took place within city limits and were reported to
the local sheriff’s station. Additional data sets about other City
services and operations will be made accessible as the
information becomes available.
CLIMATE CHANGE AND GREENHOUSE GASES
Goals
CHS-G-14 Community Health &
Sustainability
Encourage waste reduction and diversion practices to meet State
targets and reduce GHG emissions.
The City is compliant with State Laws, which regulate waste
management and recycling. The City continues to offer various
economic incentives that encourage source reduction and recycling:
1) Residential refuse rates are based on a pay-as-you-throw system.
Three refuse cart sizes are available (35, 64, and 96 gallon), and
cost increases with cart size; 2) one additional recycling cart, and
one additional green waste cart, are available to each residence at
no cost; 3) residents may earn a yard waste discount equal to 12%
if they implement backyard composting, and agree to relinquish their
green waste cart; 4) a recycling rebate is issued to residents in any
year that the residential waste hauler earns recycling revenues that
exceed a specified threshold; 5) all commercial and multi-family
waste is processed at the hauler's MRF, however recycling bins are
available at a greatly discounted price; 6) used oil drain containers
and reusable shopping bags are distributed to residents at no c ost,
and; 7) businesses and schools may apply for the City's Recycling
Bins Grant, which provides free recycling receptacles (7 to 50 gallon
capacity) to qualifying applicants.
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Policies – Energy Efficiency & Conservation
CHS-P-39 Community Health &
Sustainability
Support Southern California Edison (SCE) and Southern California
Gas Company's (SoCalGas) efforts to increase public awareness
of energy conservation technology and best practices.
The City has partnered with the San Gabriel Valley Council of
Governments (SGVCOG) and the Southern California Regional
Energy Network (SoCalREN) to increase public awareness of
energy conservation technologies and best practices from Southern
California Edison and the Gas Company. Information is distributed
through the City’s Envirolink newsletter, as well as direct
communication from partner agencies and utility providers.
City Manager’s Office
CHS-P-43 Community Health &
Sustainability
Explore participating in new high efficiency technology programs
such as LED lighting for City facilities, safety lighting in parks and
other public spaces, and LED street lighting conversion for all City-
owned street lights.
In December, staff applied for Prop. 68 funding to renovate Pantera
Park parking lot lights with LED lighting for enhanced safety and
efficiency.
Parks and Recreation
CHS-P-44 Community Health &
Sustainability
Promote energy conservation and retrofitting of existing buildings
through the implementation of the Green Building Codes.
The Building & Safety Division implements CALGreen by requiring
all construction projects to meet State requirements. This is done
through requiring all waste hauling by the City’s franchise hauler or
to a recycling facility, requiring low emitting vehicle parking for new
commercial projects, limiting VOCs, inspecting erosion control, and
requiring low water suage in plumbing.
Community
Development
Policies – Waste Reduction & Recycling
CHS-P-46 Community Health &
Sustainability
In order to achieve compliance with the source reduction goals set
forth under Assembly Bill (AB) 939 amendments thereto,
incorporate solid waste diversion goal performance standards into
the contracts with the City’s franchise waste haulers, and enforce
the City’s Construction and Demolition Waste Ordinance.
The City made significant tonnage improvements to meet the State
Recycling mandates, including AB1826, aimed at diverting organic
food waste from the landfills. The City will continue outreach efforts
to ensure large generators including Diamond Bar schools and large
grocery stores are in compliance with State recycling laws. The City
will continue to build on the successful implementation of food waste
diversion programs, with targeted outreach by providing technical
assistance for businesses wishing to start a food recycling, recovery,
or donation program. Eventually, the program will be expanded to
include residential accounts as directed by CalRecycle and in
compliance with future State laws.
The City's waste haulers are required by contract to divert at least
75% of all C&D debris, including inert material. 100% of
concrete/asphalt dirt is diverted by both waste haulers. Residential
and Commercial haulers have met and exceeded the C&D
requirement. The City worked with the haulers to identify specific
projects that fall under the C&D requirement including roof projects,
demolitions, additions, new construction and remodels. The
residential waste hauler operates a C&D facility in Los Angeles, this
location began processing more projects and resulted in an 83.3%
diversion in the C&D category. City ordinance requires that for all
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C&D projects of at least 1,000 square feet, a diversion deposit and
a Recycling and Waste Reduction Application be submitted before
work begins; a Final Compliance Report and associated weight
tickets must be submitted after project completion.
Also applies to Community Health & Sustainability Chapter policy
CHS-P-50
CHS-P-47 Community Health &
Sustainability
Reduce the disposal of household hazardous wastes in landfills
through continued cooperation with waste pick-up service
providers, the County Sanitation Districts, and the Los Angeles
County Department of Public Works in the provision of curbside
pick-up and annual household waste round up events.
The City’s contracted residential and commercial waste haulers
continue to offer comprehensive waste collection and curbside
recycling services citywide. Curbside recycling services include
collection of green waste; bulky items; and household hazardous
waste, including electronic waste, used oil, paint products, batteries,
garden chemicals, household chemicals and hypodermic needles.
The City also works with Los Angeles County Public Works to
provide a Household Hazardous Waste (HHW) event in the City
once a year in February. The HHW event takes most forms of
electronic and hazardous waste including paint, batteries, and other
toxic materials that are recycled and do not enter the waste stream.
The City promotes the Los Angeles County Public Works HHW
events throughout the year in addition to promoting the County’s
hotline 1-888-CLEAN LA and their dedicated website.
The City continues to contract with Waste Management, At Your
Door Special Collections, to provide curbside recycling of HHW
materials. The City participates in and promotes the LA County
Household Hazardous Waste Roundup program. LA County
sponsored its annual HHW roundup in Diamond Bar. The listed
events were advertised by the City through the distribution of flyers
and/or placement of event information on its online event calendar.
Numerous schools and non-profit organizations hold e-waste
collection events throughout the year as a fundraising effort.
Also applies to Community Health & Sustainability Chapter policy
CHS-P-48
City Manager’s Office
CHS-P-48 Community Health &
Sustainability
Continue to promote the safe disposal of household hazardous
waste through public education and incentives.
See Community Health & Sustainability Chapter policy CHS-P-47
The City’s contracted residential and commercial waste haulers
continue to offer comprehensive waste collection and curbside
recycling services citywide. Curbside recycling services include
collection of green waste; bulky items; and household hazardous
waste, including electronic waste, used oil, paint products, batteries,
garden chemicals, household chemicals and hypodermic needles.
Information on these programs is distributed by the haulers, as well
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as City resources including website, social media, mail and email
distribution.
Also applies to Community Health & Sustainability Chapter policy
CHS-P-52
CHS-P-49 Community Health &
Sustainability
Continue to educate residential, commercial, and industrial
generators about source reduction and recycling programs and
encourage their participation in these programs through
promotional campaigns and incentives.
See Community Health & Sustainability Chapter policy CHS-P-47 City Manager’s Office
CHS-P-50 Community Health &
Sustainability
Encourage generators of edible food to have contracts or
agreements with food rescue organizations to minimize edible food
from being disposed of or destroyed.
Albertsons, Sprouts, Target and Walmart have internal food waste
recycling programs that include donation and composting. All
franchise green waste collections, as well as third-party green waste
collections are taken to facilities that process this material into soils
products.
The City is currently exploring options to contract with a food
recovery organization.
See Community Health & Sustainability Chapter policy CHS-P-46
City Manager’s Office
CHS-P-51 Community Health &
Sustainability
Encourage residents and businesses to compost leaves, grass
clippings, food waste, and other organic materials by promoting
existing food waste pickup services, residential waste hauler rate
composting discounts, and residential backyard composting.
The City’s contracted residential and commercial waste haulers
continue to offer comprehensive waste collection and curbside
recycling services citywide. Organics collection is provided by the
City’s commercial provider Valley Vista Services, with residential
service scheduled to take place middle 2022.
City Manager’s Office
CHS-P-52 Community Health &
Sustainability
Collaborate with the City’s contract waste haulers to educate and
encourage residents and businesses about waste reduction
strategies.
See Community Health & Sustainability Chapter policy CHS-P-48 City Manager’s Office
CHS-P-53 Community Health &
Sustainability
Support and cooperate with County and State regulatory agency
efforts to require commercial and industrial gene rators to develop
and implement a source reduction and recycling plan tailored to
their individual waste streams.
See Community Health & Sustainability Chapter policy CHS-P-47 City Manager’s Office
Policies – Climate Change Resiliency
CHS-P-57 Community Health &
Sustainability
Encourage water conservation, drought-tolerant landscaping and
the use of greywater and reclaimed and recycled water, where
appropriate, with a view to reducing water use.
During project review, staff ensures that the plant palette is drought-
tolerant vegetation to minimize irrigation and reduce the area of turf
and sod ground cover planting.
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8. Housing – 2013-2021 Housing Element Program Evaluation
PROGRAM # OBJECTIVES STATUS
HOUSING
The Housing Element, which has been certified by the California Department of Housing and Community Development (HCD), identifies and makes provisions for existing and future housing needs. While most of these
enabling policies require the participation of the private sector, the City also actively participates in implementation by budgeting a portion of its annual Community Development Block Grant (CDBG) allocation to fund the
City’s Home Improvement Program (HIP). The HIP provides zero-interest deferred loans of up to $20,000 to eligible low-income households to perform essential home repairs and improvements. Low-income households
are also eligible to participate in the Los Angeles County Community Development Commission’s CDBG-funded Home Ownership Program (HOP) for first-time homebuyer assistance.
The City filed the Housing Element Annual Progress (APR) with HCD and Office of Planning and Research (OPR) on March 26, 2021, which outlined progress on the implementation of the adopted 2013-2021 Housing
Element. The table below summarizes the 2013-2021 Housing Element housing programs offered through the Community Development Department along with program objectives, accomplishments, and implementation
status.
1. Residential Neighborhood Improvement
Program
Proactive program conducts neighborhood inspections on a regular basis
throughout the entire city/focused code enforcement linked with rehabilitation
assistance to correct code violations.
The City continues to operate the code enforcement program. This program is
successful and is being continued.
2. Home Improvement Program
Improve neighborhoods evidencing deferred maintenance through property
maintenance and rehab. Provide minor repair and rehabilitation to 10 units
annually.
The HIP is continued at available funding levels.
Five (5) building permits for new single-family residences totaling 24,335 sq. ft.
and twenty-seven (27) building permits for residential additions totaling 12,939
sq. ft. were issued.
3. Single-Family Rehabilitation Program Provide ongoing advertisement of loans available through the County for
qualified homeowners. The program has been merged with Program 2 (HIP).
4. Section 8 Rental Assistance Program Direct eligible households to the County Section 8 program. The City continues to coordinate with the County on the Section 8 program. The
program is being continued.
5. Preservation of Assisted Housing Preserve 100 percent of the 149 low- and moderate-income units in The
Seasons Apartments.
The Seasons Senior Apartments continued its affordability covenant throughout
the planning period. This program will be continued.
6. Mobile Home Park Preservation
Support preservation of City's two mobile home parks as important affordable
housing resources. Maintain residential zoning, and enforce State closure
requirements as necessary.
Zoning for mobile home parks is being continued. No proposals to close the
parks were submitted. The program is being continued.
7. First-time Homebuyer Assistance
Programs
Advertise County's Home Ownership Program (HOP) and Mortgage Credit
Certificate (MCC) and provide information to interested homebuyers. In addition,
the City will work with realtors to make them aware of these programs.
Continue to provide information on this County program. The program is being
continued.
8. Senior and Workforce Housing
Development
Identify and evaluate sites suitable for new senior and workforce housing. The
City will post information on the City website during the first year of the planning
period regarding the City's interest in assisting in the development of senior and
workforce housing, provide information on available regulatory and financial
incentives, and assist developers in applying for funds. The City will also contact
This program is being continued.
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PROGRAM # OBJECTIVES STATUS
local colleges and universities annually to identify potential partnership
opportunities for affordable housing.
9. Land Use Element and Zoning Maintain adequate sites commensurate with the Regional Housing Needs
Allocation (RHNA).
The City has maintained adequate sites for housing development at all income
levels and ensure compliance with No Net Loss requirements. This program is
being continued.
10. Mixed Use Development
The City will prepare a handout and marketing materials encouraging mixed use
development where appropriate and make it available to interested developers
during the first year of the planning period. A review of potential areas that may
be appropriate for mixed-use development will be initiated by 2015 as part of a
comprehensive General Plan update.
In December 2019, the City adopted the Comprehensive General Plan Update
that created community visions and blueprint for growth and development in the
City through 2040.
In April 2021, the City enlisted the assistance of the Urban Land Institute -Los
Angeles (ULI-TAP) to commence a technical assistance panel (TAP) to gain a
better understanding of the market possibilities, implementation strategies, and
design frameworks to consider as it plans the Diamond Bar Town Center. A
Technical Assistance Panel Report was prepared and posted on the City’s
website.
11. Second Units
Continue to encourage construction of accessory dwelling units pursuant to the
provisions of its Accessory Dwelling Unit (ADU) Ordinance, and make an
informational handout available for distribution at the public counter.
Seventeen (17) building permits for ADUs totaling 12,654 sq. ft. were issued.
12. Emergency Shelters and Transitional/
Supportive Housing
Continue to facilitate emergency shelters and transitional/supportive housing,
and continue participating in the San Gabriel Valley Council of Governments
(SGVCOG) homeless study to address homelessness.
This program is being continued.
13. Redevelopment of Underutilized Sites Encourage interested property owners to pursue redevelopment of underutilized
properties though the provision of incentives and concessions.
The City has continued to encourage the redevelopment of underutilized sites.
This program is being continued.
14. Affordable Housing Incentives/ Density
Bonus
Encourage the production of affordable housing through the use of density
bonus, and provide a handout summarizing the benefits and requirements of
affordable housing incentives/density bonus provisions.
This program is being continued.
15. Efficient Project Processing Continue to offer streamlined development processin g, and periodically review
departmental processing procedures to ensure efficient project processing.
The City continues to offer efficient permit processing. This program is being
continued.
16. Fair Housing Program
Continue to promote fair housing practices, provide educational information on
fair housing to the public, and cooperate with the Greater Los Angeles
Apartment Association in providing fair housing information to landlords and at
libraries, senior centers, recreation centers, and Social Security and
employment offices. Continue to refer fair housing complaints to the San Gabriel
Valley and Long Beach Fair Housing Foundation, and maintain an open
dialogue with the Foundation regarding the nature of complaints received.
This program is being continued.
17. Reasonable Accommodation for
Persons with Disabilities
Continue to implement reasonable accommodation procedures for persons with
disabilities in compliance with SB 520. This program is being continued.
7.1.a
Packet Pg. 53
Page 43 of 43
Climate Action Plan
CAP POLICIES AND ACTIONS IMPLEMENTATION GENERAL PLAN GOALS & POLICIES
CLIMATE ACTION PLAN (“CAP”)
A Climate Action Plan is a comprehensive inventory of specific activities a public agency should undertake to reduce greenhou se gas (“GHG”) emissions that originate within its jurisdiction. The City of Diamond Bar
adopted a Climate Action Plan concurrently with the General Plan Update to document how it will be able to reduce its GHG emissions in compliance with State mandates and goals to the year 2040, which is the horizon
year for the General Plan Update. The table below lists the General Plan Update goals and policies that have been implemented to reduce GHG emissions, quantifies emissions reductions, and explains how these
policies and actions will be implemented and organized according to the following categories: 1. Pedestrian Improvements and Increased Conne ctivity; 2. Bikeway System Improvements; 3. Traffic Calming; 4. Electric
Vehicle Infrastructure; 5. Parking Facilities and Policies; and 6. Transportation Improvements.
1. Pedestrian Improvements and
Increased Connectivity
The General Plan Update includes policies that create more walkable, livable neighborhoods by expanding the multi -
modal transportation system and creating a safe, pedestrian -oriented environment. Providing an improved pedestrian
network and increasing connectivity encourages people to walk more and results in people driving less, causing a
reduction in vehicle miles traveled (VMT).
LU-P-9: See status above.
LU-P-14: See status above.
CC-G-5: See status above.
CC-P-4: See status above.
CC-P-7: See status above.
CC-P-9: See status above.
CC-P-64: See status above.
2. Bikeway System Improvements
The General Plan Update provides strategies for maximizing multi -modal accessibility to and connectivity within mixed
use areas, including the Metrolink Station and new Town Center. With the total bicycle improvements listed in the General
Plan Update, there would be approximately 2.4 miles of bike lanes per square mile. Diamond Bar currently has
approximately 2,840 people per square miles. This corresponds to a 0.06 percent reducti on in VMT emissions.
LU-P-14: See status above.
CC-G-5: See status above.
CC-P-7: See status above.
CR-G-2: See status above.
CR-P-30: See status above.
CR-P-43: See status above
3. Traffic Calming
A 0.25 percent reduction in VMT was assumed to occur from the traffic calming improvements to make streets safer and
more comfortable for pedestrian travel. Traffic calming devices include roundabouts, corner bulb -outs, speed cushions,
surface textures, raised pavement, road narrowing, and other devices that encourage people to drive more slowly or to
walk or bike instead of using a vehicle, especially for short trips in and around residential neighborhoods.
CR-P-4: See status above.
CR-P-21: See status above.
CR-P-22: See status above.
CR-P-23: See status above.
4. Electric Vehicle Infrastructure
A 0.05 percent reduction in VMT was assumed to occur from installation of electric vehicle infrastructure, which will
encourage Diamond Bar residents, businesses, and the City vehicle fleet to switch to c lean fuel and electric vehicles in
order to reduce energy use and cost and transportation related GHG emissions.
RC-P-28: See status above.
5. Parking Facilities and Policies
Parking policies reflect both the necessity of providing for adequate and appropriately located vehicle and bicycle parking
in existing and new development, and priorities related to safety, urban design, and transportation management. Reduced
parking standards and other policies reducing parking availability have an estimated 5 to 12.5 percent VMT reduction.
Conservatively assuming the effect of General Plan parking reduction strategies would result in the lower end of VMT
reduction, the cumulative reduction from implementations would result in a 5 percent VMT reduction.
N/A
6. Transportation Improvements
Transit service can provide an alternative to automobile travel and is a critical mode of transportation for those who cannot
drive or do not have access to a vehicle. The General Plan policies support Metrolink ridership by improving bus, bicycle,
and pedestrian connections to the station and by introducing Transit-Oriented Mixed-Use development around the station.
Conservatively assuming the combined effect of these strategies, summing the low end of the VMT reduction rang es
gives a 0.62 percent reduction in VMT emissions.
CR-G-13: See status above.
CR-P-48: See status above.
7.1.a
Packet Pg. 54
Project Status Report CITY OF DIAMOND BAR
March 8, 2022 COMMUNITY DEVELOPMENT DEPARTMENT
LEGEND PH = PUBLIC HEARING
X = NON PUBLIC HEARING
AP = ASSIGNED PLANNER
PC = PLANNING COMMISSION
CC = CITY COUNCIL
PROPERTY LOCATION
PLANNING COMMISSION REVIEW File # AP Applicant PC
3/8/22
CC
3/15/22
PC
3/22/22
CC
4/5/22
PC
4/12/22
CC
4/19/22
General Plan Status for 2021 GL Citywide X X
850 Brea Canyon Rd.
(Modification to hotel and office project)
TPM/CUP/DR/PP/CSP
PL2017-169
GL Philip Lee PH
ADMINISTRATIVE REVIEW
Property Location AP Applicant
None
PENDING ITEMS
Property Location File # AP Applicant Status
1625 Bears Den Rd.
(Addition to single family residence)
DR PL2021-01 MN Pete Volbeda Second incomplete letter sent 8/31/21 – waiting for additional information
2020 Brea Canyon Rd.
(2-Lot Subdivision)
TPM PL2022-07 GL Nathaniel Williams First Incomplete Letter Sent 02/22/22 – waiting for additional information
1198 Chisolm Trail Dr.
(New single-family residence)
DR PL2021-51 JT/DT Michael Wu First incomplete letter sent 7/21/21 – waiting for additional information
2939 Crooked Creek
(Addition and remodel to single family
residence)
DR PL2022-16 DT Walt Patroske Under Review
Crooked Creek
(7-unit subdivision)
VTTM, DR, CUP, TP
PL2017-203
MN New Bridge Homes Under Review
20221 Damietta Dr.
(Addition and remodel to single-family
residence)
DR PL2021-83 MN/
DK
Chen Lee Under Review
2001 Derringer Ln.
(2-lot subdivision)
TPM 83036/DR
PL2021-46
MN
Gurbachan S. Juneja Under Review
Gentle Springs Ln. and
S. Prospectors Rd.
GPA, ZC, VTTM, DR
PL2021-23
GL Tranquil Garden LLC First incomplete letter sent 4/16/21 – waiting for additional information
2234 Indian Creek Rd.
(New single-family residence)
DR PL2020-159 MN Jeffrey Sun Second incomplete letter sent 9/30/21 – waiting for additional information
9.1
Packet Pg. 55
Project Status Report CITY OF DIAMOND BAR Page 2
March 8, 2022 COMMUNITY DEVELOPMENT DEPARTMENT
PENDING ITEMS (continued)
Property Location File # AP Applicant Status
22909 Lazy Trail Rd.
(Addition and remodel to single family
residence)
DR, MCUP PL2021-05 JT/DT Walt Patroske Second incomplete letter sent 9/8/21 – waiting for additional information
23121 Ridge Line Rd.
(New single-family residence)
DR PL2020-31 MN Pete Volbeda Third incomplete letter sent 8/13/21 – waiting for additional information
23712 Ridge Line Rd.
(New single-family residence)
DR PL2022-01 GL/
DT
Peng Jiang Under review
Walnut Valley Unified School District
(Billboard Ordinance)
PL2021-43 GL/
MN
WVUSD Under review
9.1
Packet Pg. 56
CITY OF DIAMOND BAR
NOTICE OF PUBIC MEETING
AND AFFIDAVIT OF POSTING
STATE OF CALIFORNIA
COUNTY OF LOS ANGELES
CITY OF DIAMOND BAR
I, Stella Marquez, Administrative Coordinator for the City of Diamond Bar, CA, declare as
follows:
I hereby certify, under penalty of perjury under the laws of the State of California that
on March 4, 2022, 1 posted the March 8, 2022, Planning Commission Agenda, pursuant
to Government Code Section 54950 et.seq. at the following locations:
Diamond Bar City Hall, 21810 Copley Drive
SCAQMD/Government Center, 21865 Copley Drive
Heritage Park, 2900 Brea Canyon Road
Diamond Bar Library, 21800 Copley Drive
City website: www.diamondbarca.gov
Executed on March 4, 2022, at Diamond Bar, California.
Lt
Stella Marquez
Community Developm ept.
y1\s\andaviryosf ng.doc