HomeMy WebLinkAbout02_Annual Review of Hoag Hospital DA_PA2009-064 CITY OF NEWPORT BEACH
ZONING ADMINISTRATOR STAFF REPORT
a November 14, 2019
�qt/FoaN`� Agenda Item No. 2
SUBJECT: Annual Review of Hoag Memorial Hospital Presbyterian Development
Agreement (PA2009-064)
• Development Agreement No. 5
SITE LOCATION: 1 Hoag Drive
APPLICANT: Hoag Memorial Hospital Presbyterian
OWNER: Hoag Memorial Hospital Presbyterian
PLANNER: Chelsea Crager, Associate Planner
949-644-3227, ccrager@newportbeachca.gov
ZONING DISTRICT/GENERAL PLAN
• Coastal Land Use Category: PI-B Private Institutions (0.0 — 0.75 FAR)
• Coastal Zoning District: PC 38 (Hoag Hospital)
• General Plan: PI (Private Institutions)
• Zoning District : PC 38 (Hoag Hospital)
PROJECT SUMMARY
An annual review of Development Agreement No. 5 for Hoag Memorial Hospital
Presbyterian, pursuant to Section 15.45.080 of the Municipal Code and Section 65865.1
of the California Government Code.
RECOMMENDATION
1) Conduct a public hearing;
2) Find the annual review is exempt from the California Environmental Quality Act
("CEQA°) pursuant to Section 15321, Class 21 (Enforcement Actions by Regulatory
Agencies) of the CEQA Guidelines, California Code of Regulations, Title 14, Chapter 3;
3) Receive and file the Annual Report of Development Agreement for Hoag Memorial
Hospital Presbyterian (Attachment No. ZA 2); and
4) Find that the applicant has demonstrated good faith compliance with the terms of
Development Agreement No. 5.
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Annual Review of Hoag Hospital Development Agreement (PA2009-064)
Zoning Administrator, November 14, 2019
Page 2
DISCUSSION
Section 15.45.080 of the Municipal Code requires the City to periodically review
development agreements to determine if the applicant has complied with the terms of the
agreement. This review should be conducted at least once every 12 months and should
occur in April pursuant to the development agreement. The development agreement was
amended in July 2019, which delayed this year's consideration of the annual review.
The applicant is required to demonstrate good faith compliance with the terms of the
agreement, and should the Zoning Administrator find that the applicant has not complied
in good faith with the terms of the agreement; the Zoning Administrator should refer the
matter to the City Council.
Background
Development Agreement No. 5 (DA) was signed in 1994, and it relates to the long-term
development and expansion of Hoag Memorial Hospital Presbyterian ("Hoag"). In May
2008, the DA was amended to allow the hospital to increase the intensity of future
development on the upper campus with a commensurate reduction in intensity of future
development on the lower campus. The Hoag Planned Community Development Plan
was also amended in 2008 to reflect the amended DA and to require additional landscape
screening improvements and noise mitigation. In July 2019, the DA was amended to
provide additional public benefits' and to extend the term an additional 10 years, expiring
in 2029. The 1994 DA, the 2008 amendment, and the 2019 amendment are available
online at:
htti)://www.newi)ortbeachca.gov/develor)mentagreements.
The last annual review hearing was conducted on September 27, 2018. The Zoning
Administrator found Hoag to be in good faith compliance with the Development
Agreement.
Annual Review
On April 30, 2019, Hoag submitted its 2019 Development Agreement Annual Review
Report (Attachment No. ZA 2) and a noise compliance report prepared by ARUP Noise
Consultant. Staff reviewed and provided comments to Hoag. A noise report was
submitted on August 27, 2019. This most recent noise report, dated August 22, 2019, can
be found as Attachment No. ZA 3.
1 Additional public benefits include payments of$300,000 per year paid directly to one or more nonprofit
community partner(s)determined by the City Council upon recommendation of the Homeless Task Force
and the continued funding of the Melinda Hoag Smith Center for Healthy Living
Tmplt.01/12/18
Annual Review of Hoag Hospital Development Agreement (PA2009-064)
Zoning Administrator, November 14, 2019
Page 3
A summary of the Development Agreement Annual Review Report is as follows.
1. Proiect Status Report (Section 1 of the Annual Review Report):
A project status report includes various updates on the status of mitigation measure
compliance and construction activities within the past year. Construction this past year
has largely been limited to interior improvements with no significant new construction or
expansion of buildings within the Hoag campus. A list of improvement projects and
mitigation measure compliance is provided in the Project Status Report Section within
Attachment No. ZA 2.
2. Lower Campus Landscaping Areas (Section 2 of the Annual Review Report):
The submitted photos of the most recent annual review report show 2018 and 2019
conditions of various areas of the lower campus. On-going maintenance and watering
has resulted in continued coverage and health of all the plantings. The Co-Gen Plant
green screen wall has been adequately implemented through a combination of the raised
planters, vines, care, and watering. Staff found each of the landscape areas in compliance
and has no ongoing concerns about landscaping. Hoag shall continue their efforts going
forward.
Staff conducted a site inspection on October 17, 2019, and verified the health and
coverage of the plantings.
3. 2019 Acoustical Measurement Test Report (Section 3 of the Annual Review Report):
A summary of the August 22, 2019, Annual Noise Report prepared by ARUP Noise
Consultant is as follows:
A. Nighttime noise measurements were taken at adjacent properties of Versailles and
Villa Balboa to document the 2018/19 levels. Daytime measurements were not
conducted as previous years' measurements have suggested that mechanical
equipment is not audible above ambient noise conditions.
B. Nighttime ambient noise measurements were taken at three locations to determine
if ambient conditions had changed since last measured in 2016. The results show
that at two of the three locations, ambient noise levels have increased. Noise levels
at these two locations are primarily dominated by traffic pass-bys.
C. Newport Beach Municipal Code (NBMC) Section 10.26.025 states that the
measured ambient noise level shall be the noise limit if the ambient exceeds the
limits defined in the Code.
D. Nighttime measurements near both the main loading dock and dietary loading dock
were taken and found to be in compliance with applicable standards.
Tmpl[:01/12/18
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Annual Review of Hoag Hospital Development Agreement (PA2009-064)
Zoning Administrator, November 14, 2019
Page 4
E. Co-Gen Plant in proximity to residences at Villa Balboa:
1. The ARUP report shows that exterior noise measurements are in compliance
with the 50 db(A) nighttime standard.
2. The ARUP report shows that interior noise to the most affected unit can exceed
the nighttime 40 db(A) standard by 1 db(A). These levels were measured in a
dining room with an open window consistent with the interior noise
measurement requirements of the Community Noise Control Ordinance. ARUP
indicated that the dining room was furnished with minimal soft furnishings, and
that if more sound-absorbing finishes were installed noise levels could be
reduced. It is also important to note that the Co-Gen Plant was operated with
fans at full speed during the testing, which is not the normal operating condition.
Staff does not believe the Co-Gen Plant operated in violation, understanding
that the plant is normally operated close to 80 percent capacity and the unit in
question is minimally furnished. Staff recommends that noise from the plant be
tested before the next review while operating under normal conditions.
F. Upper Central Plant near the residences at Versailles Condominiums:
1. Exterior noise measurements at the location representative of the nearest
second floor balcony to the plant exceeds the exterior nighttime 50 db(A)
standard by 1 db(A). This is consistent with 2017 and 2018 measurements. The
particular location is approximately 15 feet east of the south facing balcony and
since it is easterly of the building itself, the measurement may not be entirely
indicative of the sound of the southerly facing elevation of the building. Staff
recommends that Hoag work more closely with Versailles before the next
review to take a measurement from the balcony itself.
2. The ARUP report shows that all other exterior noise measurements are in
compliance with the 50 db(A) nighttime standard.
3. Noise levels were measured inside a unit at Versailles for the first time this
year. The noise levels were measured at 43 db(A) at a distance of 3 feet from
the open window, which exceeds the nighttime standard of 40 db(A). Short-
term measurements were made at multiple locations within the bedroom, and
compliance with the noise standard could be achieved at 10 feet from the open
window.
4. Since last year's review, Hoag has made improvements to the Upper Central
Plant to reduce noise levels. Staff recommends that Hoag continue exploring
and implementing methods of noise reduction.
Tmp1C.01/12/18
Annual Review of Hoag Hospital Development Agreement (PA2009-064)
Zoning Administrator, November 14, 2019
Page 5
G. Since the last annual review, Code Enforcement staff has received no noise
complaints related to Hoag Hospital. This is an improvement over years prior and
is evidence of Hoag's ongoing commitment to controlling their operations and
vendors appropriately.
4. Co-Gen Weather Plume Report (Section 4 of the Annual Review Report):
Hoag continues to operate the Co-Gen facility in concert with the weather station to
reduce the water vapor plume from the cooling towers. Plume reduction protocols
continue to operate between 7 a.m. and 7 p.m. starting November 1, 2018, through March
31, 2019.
STAFF RECOMMENDATION
After reviewing the attached annual report and its supplemental noise reports, Hoag's
willingness to continue to address its operational noise, and improvements to the planting
and maintenance of the lower campus's landscaping areas, staff believes that Hoag
Memorial Hospital Presbyterian has remained in good faith compliance with the terms of
Development Agreement No. 5.
ENVIRONMENTAL REVIEW
This annual review is exempt from the California Environmental Quality Act ("CEQA")
pursuant to Section 15321, Class 21 (Enforcement Actions by Regulatory Agencies) of
the CEQA Guidelines, California Code of Regulations, Title 14, Chapter 3, because it has
no potential to have a significant effect on the environment. This section exempts actions
by regulatory agencies to enforce or revoke a lease, permit, license, certificate, or other
entitlement for use issued, adopted, or prescribed by the regulatory agency or
enforcement of a law, general rule, standard, or objective, administered or adopted by the
regulatory agency.
PUBLIC NOTICE
Notice of this review was published in the Daily Pilot, mailed to all owners of property
within 300 feet of the boundaries of the site (excluding intervening rights-of-way and
waterways), including the applicant, and posted on the subject property at least 10 days
before the scheduled hearing, consistent with the provisions of the Municipal Code.
Additionally, the item appeared on the agenda for this meeting, which was posted at City
Hall and on the City website.
TmpIC 01/12/18
Annual Review of Hoag Hospital Development Agreement (PA2009-064)
Zoning Administrator, November 14, 2019
Page 6
APPEAL PERIOD:
An appeal or call for review may be filed with the Director of Community Development within
14 days following the date of action. For additional information on filing an appeal, contact
the Planning Division at 949-644-3200.
Prepared by:
Chelsea Crager
Associate Planner
GBR/cc
Attachments: ZA 1 Vicinity Map
ZA 2 April 30, 2019 Hoag Development Agreement Annual
Report
ZA 3 August 22, 2019 Noise Compliance Report
Tmplt:01/12/18
Attachment No. ZA 1
Vicinity Map
VICINITY MAP
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Annual Review of Hoag Memorial Hospital
Presbyterian Development Agreement
(PA2009-064)
1 Hoag Drive
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Attachment No. ZA 2
April 30, 2019 Hoag Development
Agreement Annual Report
9
Development Agreement
Annual Review
Hoag Memorial Hospital Presbyterian
April 1 , 2018 thru March 31 , 2019
Prepared for:
The City of Newport Beach
100 Civic Center Drive, Newport Beach, Calif. 92660
Prepared by:
Hoag Memorial Hospital Presbyterian
One Hoag Drive
Newport Beach, CA 92663
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(� � HOAG MEMORIAL HOSPITAL PRESBYTERiAN
®�/fy'7 One Haag Drive,PO Box 8100
�,.�lj/il Newport Beach,CA 92658-6100
April 30, 2019
Ms. Chelsea Crager
Associate Planner
City of Newport Beach
100 Civic Center Drive
Newport Beach, CA 92660
RE: Hoag Hospital — Development Agreement 11th Annual Review
Dear Ms. Crager:
Please find enclosed the required documentation to demonstrate Hoag's compliance
with the Development Agreement between Hoag Hospital and the City of Newport
Beach. As you are aware, this Development Agreement was adopted by the City Council
on April 22, 2008 by the Ordinance No.2008-10 and is known as the Amendment to
Restated Development Agreement No. 6. The Development Agreement was also
recently extended for 6 months by the City Council to work on a longer term extension.
Per Section 5.2 of the Development Agreement, "The Annual Review shall be conducted
at a public hearing noticed in accordance with the provisions of Chapter 15.45 of the
Newport Beach Municipal Code. Annual reviews should be scheduled in April of each
year."
However, as we discovered last year, due to the extreme testing parameter
requirements that have been previously requested by city staff, Hoag is not able to
conduct the acoustical testing based on weather conditions. Hoag is not able to ramp up
the plants to the heightened conditions that are requested to simulate worst case
scenario due to the weather conditions being too cold through the winter and spring.
Therefore, Hoag is submitting the DA report at this time without the acoustical testing
results, however, the first round of testing (for Central Utility Plant and Versailles) was
conducted by Arup on April 21, 2019. The second round of testing (Villa
Balboa/Cogeneration plant) is being scheduled for May 2019.
It is our understanding that Hoag would be targeting a May Zoning Administrator hearing
per the above noted requirement, but Hoag will await the direction from the City Planning
Commission on how to proceed for scheduling.
The enclosed Project Status Update is for the period of time from April 1, 2018 through
March 31, 2019.
Hoag Hospital Newport Beach Hoag Hospital Irvine
One Hoag Drive 16200 Sand Canyon Avenoe
Newport Beach,CA 92663 Irvine,CA 92618 1i xhoag.org
HDAG MEMDRIAL HOSPITAL PRE58YfERIAN
hoag One Hoag Dave PO Box
2658-0
Newport beach,CA 92688-6100
Sincerely,
HOAG MEMORIAL HOSPITAL PRESBYTERIAN
Sanford L. Smith
Senior Vice President,
Real Estate, Facilities and Construction
Enclosure: Project Status Update 4/1/18-3/31/19
Hoag Hospital Newport Beach Hoag Hospital brine
One Hoag Dave 162005and Canyon Avenue
Newport Beach,CA 92663 Irvine,CA 92618 :LW-44v11oag.org
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Development
Agreement Annual
Review
April 1, 2018 thru March 31, 2019
Hoag Memorial Hospital Presbyterian
1 . Project Status Report
2. Landscaping Photos
0 (Attachment 1)
3. Acoustical Measurement
Program Test Report
(Attachment 2)
4. Co-Gen Weather Plume
Reports (Attachment 3 and
Flash drive)
Prepared for:
The City of Newport Beach
100 Civic Center Drive
Newport Beach, CA 92660
Prepared by:
Hoag Memorial Hospital Presbyterian
One Hoag Drive
Newport Beach, CA 92663
14
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Project Status Report
Thru April 1, 2018 thru March 31, 2019
Tenth Annual Review of the Development Agreement
Between the City of Newport Beach
And Hoag Memorial Hospital Presbyterian
Introduction & Overview
On April 22, 2008, the City of Newport Beach ("City) approved an amended Development
Agreement between the city of Newport Beach and Hoag Memorial Hospital Presbyterian
("Hoag") which is known as the "Amendment to the Restated Development Agreement No. 6".
This Amended Development Agreement was adopted by Ordinance No. 2008-10 on May 13,
2008.
Per Section 5.2 of the Amended Development Agreement:
"The Annual Review shall be conducted at a public hearing noticed in accordance with
the provisions of Chapter 15.45 of the Newport Beach Municipal Code. Annual Reviews
should be scheduled in April of each year'.
This Amended Development Agreement was part of Hoag's Master Plan Update which included
revised Development Agreement provisions, a revised Planned Community Text ("PC Text") and
associated standards, and certification of the Supplemental Environmental Impact Report
("SEIR") with mitigation measures.
The Supplemental Environmental Impact Report (SCH No. 1991071003) was certified by
adoption of City Council Resolution No. 2008-27. As part of the SEIR adoption, a Mitigation
Monitoring & Reporting Program was required which shall be utilized as the basis for the
Development Agreement Updates as it relates to mitigation measures.
For the purposes of this Development Agreement update, and those subsequent annual
updates, this update shall serve as the Tenth Annual Review for the Amendment to the Restated
Development Agreement No. 6
Project Status for the Eleventh Development Agreement Annual Review
As will be described in detail below, over the last year, Hoag has made a diligent, good faith
effort in completing as many of the mitigation measures and associated requirements for both
the Development Agreement & Planned Community Text as required in this timeframe.
Development Agreement Specific Terms & Obligations
In the separate terms of the Development Agreement requirements (not found in either
Mitigation Measures of PC Requirements), the following have been completed:
Section 5.4
"5.4 Mitigation Review—The annual review shall include a detailed report of
compliance with the various conditions and mitigation measures contained with the
mitigation monitoring plan. The report shall also include a noise regulation compliance
assessment that includes noise measurements prepared by a qualified noise consultant on
a yearly basis. The noise assessment shall identify noise regulation compliance issues
3 10
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and recommended measures to abate any noncompliance. The report shall include an
analysis of the view impacts of buildings constructed in comparison to the anticipated views
depicted in the EIR. Hoag shall be found in compliance with this Agreement unless the City
Council determines, based upon evidence presented at the Annual Review, that Hoag has
not complied with all mitigation measures and conditions including those imposed as a
result of subsequent environmental analysis, applicable to the grading of, or building on,
the Property as of the date of the Annual Review."
Hoag has complied with this section of the Amended Development Agreement with the submittal
of this detailed report which demonstrates good faith compliance with the various conditions and
mitigation measures contained within the mitigation monitoring plan, as noted below.
Additionally, Hoag has complied with annual noise regulation compliance assessments. Noise
analyses were performed on April 22, 2019 and May 29, 2019. Hoag was not able to have these
conducted prior to this timeframe because the weather was too cool to force the plant equipment
up to higher operating parameters that has been requested to simulate worst case scenario
conditions. The testing report will be known as Attachment 2.
No view analysis was necessary for this Annual Development Agreement review, as only interior
building remodels have occurred and there were no new additions on the Hoag Campus during
this timeframe.
2018-2019 Update
Construction activities have been largely limited to interior tenant improvements with no new O
buildings or expansions taking place in this year. These improvements have included the following
items:
Central Utility Plant Cooling Tower fan upgrade - Hoag replaced the motor, gearbox and
complete fan assembly for one cooling tower and replaced the fan assembly on the other.
The cooling tower fan assemblies were upgraded to a Quiet type as part of infrastructure
upgrades in March 2019. These are specially designed to reduce noise that is generated
while maintaining cooling efficiency.
Mechanical/Facility/Infrastructure Upgrades—Various projects scheduled throughout the
Newport Beach Campus addressing routine repairs, proper maintenance, planned
refurbishment, and upgrades of the infrastructure. Some projects include air handler
upgrades, flooring replacements, door replacements and building management system
upgrades.
Main Operating Room/Post Anesthesia Care Unit(PACU) Renovation — Provided 2 new
ORs and the replaced 14 bay PACU with the latest technologies suited for Brain and Spine
surgery and built a new PACU in an existing space in the hospital. PACU occupancy
started June 2018. OR replacement started July 2018 and was completed in February
2019.
Acute (Physical) Rehabilitation Unit- Provide a dedicated department for the acute physical
therapy needs of our patients in an existing area of the hospital. Therapy garden is being —
built between the Women's Pavilion and the North Building. Completed in May 2018. l
Women's Pavilion Cosmetic Interior Renovation: Refreshing all patient rooms and corridors
in the Women's Pavilion. Project completed in July 2019.
4
27
hoag
HHNB Nurse Call Replacement: Complete replacement of the Newport Beach nurse call
system/tracking system. The project completed in 2018.
HHNB Seismic Upgrades: Continue with the review of multiple on-campus buildings under
the guidelines of the OSHPD SPC 4-D seismic model, enabling the extension of building
use as acute care beyond 2030. Still in material testing phase.
Breast Center Renovation: Cosmetic upgrades and an MRI Replacement. Construction
started in August 2018. Project completed August 2019.
Medical Records relocation: Medical records will relocate to ease navigate for patients and
visitors to the Women's Pavilion lobby. Construction started August 2019 and will continue
through end of 2019.
Cancer Center Infusion: Renovation of 2nd and 31d floor of the Cancer Center. Currently is
in design phase. OSHPD review through 2019.
Cancer Center Tunnel Roof Replacement: Replaced highly visible roof to Villa Balboa in
the cancer center tunnel that was reaching life expectancy in 2019.
Section 8.5— Cogeneration Plant Energy Curtailment
"8.5 Hoag shall install a weather station capable of identifying ambient conditions
necessary in documenting cogeneration plant and cooling tower operations. The weather
station shall be tied into the cogeneration plant controls in order to maximize automatic
responses to prevailing weather conditions, assisting in managing the operation changes
and load shifting, as well as to provide periodic reports on plant operations. Hoag shall not
construct or erect additional cooling towers within the Hoag Lower Campus. Hoag shall
reduce the effective heat rejection by 33% at the existing cooling towers and such
reduction shall be measured from a baseline (to be measured at the cooling towers) of
operating three existing generators and absorption chiller at 100% of design capacity. This
reduced capacity operation shall be implemented daily between November 11 and April
301, between the hours of 7:00 AM and 7:00 PM when the relative humidity is equal to or
less than 55 degrees Fahrenheit."
2018-2019 Update: Hoag has complied with all requirements regarding the Cogeneration Plant
Energy Curtailment and has attached a letter from Hoag's chief engineer of record, Peter Moore,
Yorke Engineering, which certifies the plant has been in operation in accordance with curtailment
requirements as feasible. Daily Cogeneration Plant Reports for the dates of November 1, 2018
through March 31, 2019 are attached for your review. (Attachment 3)
On May 29, 2019, sound testing was conducted at Villa Balboa. In addition, sound testing was
conducted at various locations previously identified by previous noise consultant to measure
ambient noise. The results indicate that the ambient noise in surrounding areas was 56dB and
that all external measurements should be compared to 56dB, since the code references 50dB or
ambient, whichever is greater. In addition, all internal measurements should be compared to
46dB, since the code references 40dB, whichever is greater.
5 12
coag
Mitigation Measures and PC Text Requirements
In that no new major construction or additions has occurred over the last year, Hoag's focus is to
fulfill the requirements that were oriented to noise mitigation and aesthetic improvement. For your
reference, the relevant mitigation measures and PC Text requirements are addressed below.
Mitigation Measure 3.4-9 Cogeneration Plant Noise
Although the last sound testing showed compliance at the cogeneration plant, Hoag continues its
diligence to operate and maintain the plant below the required sound levels. The Hoag team is
focused on continually reducing the noise levels in and around the plant. Some of the ongoing
improvements include:
• A custom built sound enclosure has been installed around the flare blower.
• Nightly rounds conducted by the operators outside the plant to ensure quiet operation.
• Shutting down any excess cooling tower fans and motors on cooler nights.
• Securing of engines when Hospital load decreases in the evenings.
• Slowing down the engine room supply fan on cooler nights or when engines are secured.
• Ensuring that scheduled maintenance is completed on time for all sound emitting
equipment.
• Ensuring that all cogen plant doors are properly sealed and closed tight.
Noise —West Hoag Drive
1
Mitigation Measure: Reduce noise levels around the Central Plant '
In the last year no new structure or structures on the Upper Campus were constructed requiring
the transfer of buildable square footage from the Lower Campus.
2018-2019 update: Central Utility Plant Cooling Tower fan upgrade - Hoag replaced the motor,
gearbox and complete fan assembly for one cooling tower and replaced the fan assembly on the
other. The cooling tower fan assemblies were upgraded to a Quiet type as part of infrastructure
upgrades in March 2019. These are specially designed to reduce noise that is generated while
maintaining cooling efficiency. Hoag continues to keep the roll down door that was installed last
year in the closed position as much as possible and only open during activities that require it to be
open for direct repair or maintenance.
Planned Community Requirements — Landscaping Lower Campus
Area 7a—West Parking Area Islands
2018-2019 update: All trees and increased island groundcover areas installed in the Sunset View
Lot has substantially increased the visual quality of this area and continue to thrive. Ongoing
landscape rounds identify any plants requiring replacement, treatment, irrigation adjustments, pest
management, etc.
Area 9— North Slope above Retaining Wall
2018-2019 Update: On-going maintenance of this area continues and remains compliant (See
photos Attachment 1).
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Area 12 Pacific Coast Highway Green Screen
This mitigation measure has been completely satisfied per the 2012 Development Agreement
Update.
2018-2019 Update: On-going maintenance of this area continues and has remained compliant
(See photos Attachment 1).
Area 13— Future Parking Lot at base of Wall behind ATP Building
2018-2019 Update: The grid arrangement of canopy shade trees intermixed with plant squares of
drought tolerant shrubs continues to thrive, while on-going maintenance of this area continues, this
area remains compliant (See photos Attachment 1). Hoag has found a colony of gophers so has
initiated pest management and will replace a few damaged plants.
Cogeneration Plant
2018-2019 Update: On-going improvements in the growth and coverage of the vines and the trees
that were planted last year have taken hold. The vines and trees are reaching full maturity and are
providing optimal coverage. A continued maintenance and monitoring program is in place, which
will continue to ensure the full maturity of the vines (See photos Attachment 1).
7 20
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ATTf�fi,N�tL�1T 3
HOAG MEMORIAL HOSPITAL PRESBYTERIAN
hoag One Hoag Drive, A9265O Box 100
61
Newport Beach,CA 92658-61 OD
August 14, 2019
Re: Plume Report
Dear Ms. Crager
The following pages are the annual plume reports, which normally automatically
comes through Crystal Report writing software. In some cases the Crystal report
writer did not run correctly, so we had to manually run the reports directly from the
system. Therefore, you may notice 2 variations in the way the report looks but Hoag
has not modified the data regarding the plume,heat rejection, outside temperature
and humidity.
Please do not hesitate to contact me should there be any questions. Thank you.
Best regards,
Roxanna Bryant, MPH, MCR, CHFM
Executive Director of Corporate Facility Services
Real Estate Facilities Construction & Operations (REFCO)
Hoag Memorial Hospital Presbyterian
direct 949/764-8010
roxanna.bryant(a)hoag.org I www.hoag.orq
Hoag Hospital Newport Beach Hoag Hospital Irvine
One Hoag Dnve 16200 Sand Canyon Avenue S�/
Newport Beach,CA 92663 Irvine,CA 92618 .�/"hoag.org
Y4Prke
ENGINEERING, LLC
www.YorkeEngr.com
April 15, 2019
Mr. Erik Lidecis
Manager of Utilities/Operations
Hoag Memorial Hospital Presbyterian
One Hoag Drive
Newport Beach, CA 92658
E-mail: Erik.Lidecisna Hoal:.org
Subject: City Mitigation Measure—Cogen Plume Review
Monitoring Period: November 1, 2018—March 31,2019
Hoag Memorial Hospital Presbyterian,Newport Beach, CA
Dear Mr. Lidecis:
Yorke Engineering, LLC (Yorke) reviewed the meteorological data and cooling tower operating
data for the subject period to evaluate Hoag Memorial Hospital Presbyterian's (Hoag's)
compliance with Section 8.5 of the Development Agreement("Agreement").
SUMMARY
Meteorological data was collected from the weather station located at the cogeneration plant for
the period starting November 1,2018, and ending March 31, 2019 ("Monitoring Period").
Cooling tower operating data is available for the period from November 1, 2018, through March
31, 2019. The data for this period shows that whenever the ambient temperature was less than or
equal to 55 degrees Fahrenheit ff)and humidity was greater than or equal to 60%n, cooling tower
heat rejection was reduced at least 33% from the maximum heat rejection capacity. According to
graphed data (see attachments), there were no instances during which the temperature and
humidity reached plume conditions and the cooling towers exceeded 46.4 million British thermal
units per hour(MMBtu/hr) (67%) heat rejection.
The meteorological station was out of service and temporarily replaced by the meteorological
station from the Upper Campus for the periods from January 23rd to February 13th, and February
276' to March 8". The data from the replacement station was provided, along with the regular
cooling tower heat rejection data.
Within the Monitoring Period, cooling tower heat rejection was reduced by a minimum of 33%
each day regardless of weather conditions,with only one exception(February 15, 2019).
Based on the available data, Hoag complied with the Agreement.
BACKGROUND
Hoag is party to a Development Agreement with the City of Newport Beach entitled Cogeneration
Plant Energy Curtailment in which it agrees to curtail cogeneration plant operations when certain
meteorological conditions exist that may result in the formation of a visible plume from the cooling
towers. Section 8.5 of the agreement requires Hoag to install a weather station and monitor
temperature and humidity. Between November 1st and April 30th, between the hours of 7:00 AM
I OS ,ANGELES/OR.ANGE COUNTY/RIVERSIDENENTURA/SAN DIEGO/FRESNO/BERKELEY/BAKERSFIELD
31726 Rancho Viejo Road, Suite 218 ♦ San Juan Capistrano, CA 92675 ♦ Tel: (949) 248-8490 ♦ Fax: (949) 248-8499
37
Mr. Erik Lidecis
April 15, 2019
Page 2 of 3
and 7:00 PM, whenever the relative humidity is greater than or equal to 60% and ambient
temperature is less than or equal to 55°F, Hoag shall reduce the effective heat rejection at the
cooling towers by 33%from maximum design capacity.
Cooling Tower Heat Rejection Calculation
Heat rejection for the cooling towers is calculated as follows:
Q = 500 x(Flow I I +Flow 12 +Flow 13 +Flow 14)x(Temperature In—Temperature Out)
Where:
• Q =heat rejection rate (Btu/hr);
■ Flows 11 to 14 are the water pump flow rates(gal hour)for each of the four cooling towers;
■ Temperature In is the water inlet temperature (°F)to the cooling towers; and
• Temperature Out is the water outlet temperature (°F)from the cooling towers.
Cooling Tower Maximum Capacity
Maximum cooling capacity is calculated assuming all four water pumps operate at 3,150 gallons
per minute and the maximum difference between inlet and outlet temperatures is l 1°F.
Qmax=500 (3,150 + 3,150+ 3,150+ 3,150) (11)/1,000,000=69.3 MMBtu/hr
Heat Rejection Percentage
C Heat rejection is calculated on an ongoing basis as the combined heat rejection of the four cooling
towers. The percentage reduction from maximum is calculated as:
Q°l reduction=(Q—Q—)/Qmax
CONCLUSION
1. Hoag operated weather stations that collected temperature and humidity data during the
Monitoring Period.
2. Temperature and humidity data were provided to the cogeneration system operators, who
are directed to reduce heat rejection from the cooling towers by at least 33% from
maximum capacity during the hours of 7:00 AM to 7:00 PM whenever temperature is less
than or equal to 55°F and humidity is greater than or equal to 60%.
3. For the period of available cooling tower data,from November 1,2018,through March 31,
2019, there were no incidents in which the cooling tower heat rejection was less than 33%
reduced from maximum when temperature and humidity both exceeded their trigger
thresholds.
1 orke Engineering,LLC
38
Mr. Erik Lidecis
April 15, 2019
Page 3 of 3
Should you have any questions or concerns, please contact me at(949) 248-8490 x226.
Sincerely,
4 V
Corina Chang
Senior Engineer
Yorke Engineering, LLC
C Chang_ckYorkeEngr.com
cc: Duane Suby,Hoag Hospital
Brian Yorke, Yorke Engineering, LLC
Peter Moore, Yorke Engineering, LLC
Corey Luth, Yorke Engineering, LLC
Cyril Jose, Yorke Engineering, LLC
Enclosures:
1. Attachment 1 —Section 8.5, Restated Development Agreement, Cogeneration Plant
Energy Curtailment
2. Attachment 2—Daily Reports: Temperature &Humidity& Cooling Tower Heat
Rejection (November 1, 2018—March 31, 2019)
Yorke Engineemng,LLC
3 C'
Attachment No. ZA 3
August 22, 2019 Noise Compliance Report
40
AT1ACHUtENT 2
Hoag Memorial Hospital Presbyterian Hoag Hospital Newport Beach Annual Noise Reporting
COGen Plant and Upper central Plant Noise Measurements
Vpur ref A RU P
Our net
File ref
12777 West Jefferson Boulevard Suite 100
Building D
Roxanna Bryant Los Angeles
Hoag.Memorial Hospital Presbyterian CA 90066
One Hoag Drive, United States of America
Newport Beach,CA 92658 t+I 310 578 4400
d+1 310 578 4592
f+1 310 8619029
matthew.willdnson/&arup,com
www.arup.com
22 August 2019
Dear Roxanna,
Hoag Hospital Newport Beach Annual Noise Reporting
As requested,please find attached a summary report detailing the recent nighttime
noise measurements at Hoag Hospital.
Please do not hesitate to contact us with any queries.
Yours sincerely
Matt Wilkinson PhD
Associate
Douglas Nordham
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Executive Summary
• As part of their development agreement with the city of Newport Beach;
Hoag Hospital performs yearly monitoring of the noise levels from the
hospital property.
• Arup has conducted nighttime noise measurements at the Hoag Memorial
Hospital Presbyterian and at adjacent properties (Versailles and Villa
Balboa Communities) in Newport Beach, CA to document the 2019 levels.
Daytime measurements were not conducted as previous year's
measurements (by others)have suggested that mechanical equipment is
not audible above traffic noise and other sources during the day.
• Measurements were performed on April 22id and May 29t', 2019. As part
of this year's measurements ambient noise level measurements were
repeated at locations previously measured in 2016 by others. The noise
levels measured at locations close to major roadways have increased.
• At the Upper Central Plant,external measurements were made at the
property line and at an elevated location at approximately 20ft above the
raised planter area. Measurements were also made at a location inside the
bedroom of unit#217.
• The level measured at the elevated external position at Versailles was
51dBA Leq. The level measured inside apartment#217 with the window O
fully open was 43dBA Leg.
• Noise measurements along the property line at 5ft above ground level
adjacent to the Upper Central Plant were all found to be compliant with
City Code Requirements.
• Noise measurements were made adjacent to the loading dock areas and
these measurements were all found to be compliant with the levels in the
development agreement.
• At Villa Balboa,measurements were conducted on the balcony and the
interior of a residence (013) located on the fagade facing the CoGen
Plant.
• The external level measured at Villa Balboa was 48dBA Leq. The interior
noise level measured at Villa Balboa was 41 dBA Leq.
• Since our measurements in 2018,the following upgrades have been made
to the equipment in the Upper Central Plant.
o Cooling Tower#1 —Motor, gearbox, fan assembly.
o Cooling Tower#2—fan assembly
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COGen Plant and Upper Central Plant Noise Measurements
1
1 Introduction
This report was prepared by Atop North America Ltd("Arup")at the request of and for
the benefit of Hoag Memorial Hospital Presbyterian("Hoag") in Amp's contractual
capacity as Acoustic Consultant to conduct nighttime noise measurements at the adjacent
residences for the purposes of Hoag's annual reporting obligation to the City of Newport
Beach("the Report"). The limited purpose of this Report is to present a summary of
recent ambient noise surveys conducted by Amp at Hoag Memorial Hospital Presbyterian
in Newport Beach, CA on April 22'and May 291h,2019. The Report takes into account
Hoag's particular instructions,requirements and priorities at this time and is meant to be
read as a whole.
As part of the development agreement(DA)between the hospital and the adjacent
residential developments,Hoag monitors the noise levels yearly from mechanical
equipment noise. The DA states that noise from the Hoag Hospital property must not
exceed the code requirements from Newport Beach City Municipal code.
The two most significant noise generating sources on the Hoag Hospital Campus are the
Upper Central Utility Plant Building and the CoGen Plant Building.
As shown in Figure 1 below,the Upper Central Plant building is located at the Northeast
of the Hoag Hospital Campus. It is bounded by Hospital Road to the North and the Hoag
Road to the West. The Versailles community is located to the west of Hoag Road and the
nearest residential building is highlighted below.
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Figure I -Location of the Upper Central Utility Plant Building(highlighted blue)and the
nearest noise sensitive receiver(highlighted in red). The red-dotted line shows the
approximate location of the property line. [Source:Google Earth]
The CoGen Plant is located to the southeast of the Hoag Hospital Campus adjacent to
Superior Avenue,Pacific Coast Highway.The most southeasterly building located at the
Villa Balboa development is the nearest noise sensitive receiver in this case. The relative
locations are shown in Figure 2 below.
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Figure 2 -Location of the CoGen Plant Building(Highlighted blue)and the nearest noise
sensitive receiver(highlighted in red). The red-dotted line shows the approximate
location of the property line. [Source: Google Earth]
2 City of Newport Beach Noise Standards
The most recent amendment to the development agreement between Hoag Hospital and
the City of Newport Beach states in clause 1.17 that the noise generated and originating
from the property be governed by the City Municipal Code. The relevant sections of
Chapter 10.26 of the City Municipal Code are quoted or described in Section 2.1 below.
2.1 Noise Criteria
Noise level criteria for external and internal areas of noise sensitive spaces established by
the City of Newport Beach Municipal Code are quoted below:
Section 10.26.025-Exterior Noise Standards
The following noise standards, unless otherwise specifically indicated, shall apply to all
property with a designated noise zone:
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Corson Plant and Upper Central Plant Noise Measurements
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NOISE TYPE OF LAND USE ALLOWABLE EXTERIOR NOISE
ZONE LEVEL E uivalent Noise Level.L,
7 a.m.to 10 .m. 10 .m.to 7 a.m.
I Single-.two-or multi le-famil -residential 55 dBA 50 dBA
II Commercial 65 dBA 60 dBA
III Residential poniotIS of mired-use ro erties 60 dBA 50 dBA
IV Industrial or M an UffiCUITing 1 70 dBA 70 dBA
If the ambient noise level exceeds the resulting standard,the ambient shall be the
standard.
B. It is unlawful for any person at any location within the incorporated area of the City
to create any noise,or to allow the creation of any noise on property owned, leased,
occupied or otherwise controlled by such person,which causes the noise level when
measured on any other property,to exceed either of the following:
1. The noise standard for the applicable zone for any fifteen-minute period;
2. A maximum instantaneous noise level equal to the value of the noise standard
plus twenty(20) dBA for any period of time(measured using A-weighted slow
response).
C. In the event the ambient noise level exceeds the noise standard,the maximum O
allowable noise level under said category shall be increased to reflect the maximum
ambient noise level.
R The Noise Zone III standard shall apply to that portion of residential property falling
within one hundred(100)feet of a commercial property, if the intruding noise originates
from that commercial property.
E. If the measurement location is on boundary between two different noise zones, the
lower noise level standard applicable to the noise zone shall apply.(Ord.95-53 § 1, 1995;
Ord. 95-38 § 11 (part), 1995)
Section 10.26.030Interior Noise Standards.
A. The following noise standard,unless otherwise specifically indicated,shall apply to
all residential property within all noise zones:
NOISE TYPE OF LAND USE ALLOWABLE INTERIOR NOISE
ZONE LEVEL lE uivalent Noise Level,La
7 a.m.to 10 .m. 10 .m.to 7 a.m.
I Residential 45 dBA 40 dBA
III Residential portions of mixed-use properties 45 dBA 40 dBA
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CoGen Plant and Upper Central Plant Noise Measurements
If the ambient noise level exceeds the resulting standard,the ambient shal I be the
standard.
B. It shall be unlawful for any person at any location within the incorporated area of the
City to create any noise or to allow the creation of any noise on property owned, leased,
occupied or otherwise controlled by such a person which causes the noise level when
measured on any other property, to exceed either of the following:
I. The noise standard for the applicable zone for any fifteen-minute period:
2. A maximum instantaneous noise level equal to the value of the noise standard
plus twenty(20)dBA for any period of time(measured using A-weighted slow
response).
C. In the event the ambient noise level exceeds the noise standard,the noise standard
applicable to said category shall be increased to reflect the maximum ambient noise level.
D. The Noise Zone III standard shall apply to that portion of residential property falling
within one hundred(100)feet of a commercial property, if the intruding noise originates
from that commercial property.
E. If the measurement location is on a boundary between two different noise zones,the
lower noise level standard applicable to the noise zone shall apply. (Ord. 95-53 §2, 1995;
Ord.95-38 § 1 I (part), 1995)
The measurement methodology described in the municipal code states that`the location
selected for measuring interim noise levels shall be made within the affected residential
(� unit. The measurements shall be made at a point at least four feet from the wall, ceiling
or floor, or within the frame of a window opening, nearest the noise source. The
measurements shall be made with widows in an open position. (Ord 95-38§ 11 (part),
1995)'
10.26.015 Decibel Measurement Criteria.
Any decibel measurement made pursuant to the provisions of this chapter shall be based
on a reference sound pressure of twenty(20)micropascals as measured with a sound level
meter using the A-weighted network(scale)at slow response.(Ord.95-38 § 11 (part),
1995).
The ratio of sound pressures which we can hear is a ratio of 106:1 (one million:one).For
convenience,therefore,a logarithmic measurement scale is used. The resulting parameter
is called the [sound pressure level' (Lp)and the associated measurement unit is the
decibel(dB). As the decibel is a logarithmic ratio,the laws of logarithmic addition and
subtraction apply.
dBA is the unit used to define a weighted sound pressure level,which correlates well with
the subjective response to sound. The `A' weighting follows the frequency response of
the human ear,which is less sensitive to low and very high frequencies than it is to those
in the range 500Hz to 4kHz.
In some statistical descriptors the `A' weighting forms part of a subscript,such as LAaq for
the 'A' weighted equivalent continuous noise level.
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CoGen Plant and Upper Central Plant Noise Measurements
The Newport City Code uses a typical index for assessment for overall noise exposure, O
this is the equivalent continuous sound level,Lq. This is a notional steady level which
would, over a given period of time,deliver the same sound energy as the actual time-
varying sound over the same period. Hence fluctuating levels can be described in terns of
a single figure level.
2.2 Site Ambient Noise Level
In section 10.26.010 of the city code,the ambient noise level is defined as 'the all-
encompassing noise level associated with a given environment, being a composite of
sounds from all sources, excluding the alleged offensive noise, at the location and
approximate time at which a comparison with the alleged o,�ensive noise is to be made.'
In this case the ambient noise level would be affected by sources such as traffic, aircraft
and mechanical services equipment(from all buildings other than those located on the
Hoag Hospital Campus). To determine the 'ambient noise' level representative
measurements would need to be made at locations with representative levels of traffic and
other such noise sources but with minimal contribution from hospital equipment and
operations.
Site ambient noise measurements were conducted(by others)during the 2016
measurements ('2016Acouslical Measurement Test Report'-RSAcoustics). Locations
were chosen to minimize the contribution from hospital equipment. The locations are
shown in Figure 3 below together with the locations of the CUP and CoGen Plant
buildings.
l
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` e 3
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Figure 3 -Locations for Ambient Noise Measurements(Measurements conducted by
others,March 2016).
Nighttime measurements were made at these locations on May 29`h, 2019 between the
hours of tam and 4am to determine whether the ambient conditions have changed since
the reported levels measured in 2016.
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CoGen Plant and Upper Central Plant Noise Measurements
Loc ltion' Location_description. ._ Measured Noise Gevel;01 A Leg tsm;n ;.
Daytime Nighttime Nighttime
- (2016) (2016) (2019)
1 Superior Ave&Sunset
58 50 56
View Park
2 Hoag Rd& Sunset View 62 54 46
Park
3 Old Newport Blvd& 69 54 59
Catalina Dr
Table I -Measured'Ambient'Noise levels dBA Lg(2016 measurements by RS
Acoustics)
At location 1,the ambient noise was dominated by traffic pass-bys,where cars were
noted passing by approximately one per minute. The cooling towers from the CoGen
plant were audible between car pass-bys. Noise was also noticeable from an exhaust fan
at what we understand is a vault housing AT&T equipment,approximately 50ft from the
measurement location. The noise level measured at this location is higher than that
measured in 2016.
Location 2 is very close to the hospital grounds,the noise levels at this location are
dominated by mechanical noise from the hospital H VAC equipment with occasional
contributions from cars exiting the Parking structure. The sprinklers from the adjacent
Villa Balboa grounds also turned on during the measurement.
Noise levels at location 3 were dominated by noise from traffic on Old Newport Road and
Newport Blvd. This location was also affected by helicopter pass-bys.
Section 10.26.025 of the municipal code(See Chapter 2.1) states that the maximum
measured ambient noise level shall be the noise limit if the ambient exceeds the limits
defined in the code.
The measured ambient noise levels exceeded the prescriptive code limits at the two
locations exposed to the most traffic.
It can be argued that the noise levels closest to the Villa Balboa unit(Location 1)should
be used as the ambient noise level in this case, setting a limit of 56dBA for external
measurements.
Ambient noise levels were not measured at a location representative of the measurement
location at the Versailles fapade. Further measurements are required to determine
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Hoag Memorial Hosptal Presbyterian Hoag Hospital Newport Beach Annual Noise Repseng
CoGen Plant and Upper Central Plant Noise Measurements
whether ambient noise levels have increased at this location as a composite of all noise O
sources.
3 Survey Methodology
3.1 Dates and Times
3.1.1 Daytime Noise Levels
Noise levels measured by others during the 2016 noise assessment note that they
,observed the majority of ambient noise was due to traffic on Superior Avenue and
Pacific Coast Highway, ocean waves, and noise from the underground transformer on
Superior Avenue was also slightly audible. Noise from the cooling lowers and
cogeneration facility were inaudible during the daytime tests.'(`2016 Acoustical
Measurement Test Report'-RSAcoustics)The contribution from the mechanical
equipment could not be effectively isolated from the ambient noise sources during
daytime measurements.
As the traffic systems do not appear to have been altered since these measurements were
made,it is assumed that the contribution from traffic,the most dominant source,remains
the same. In addition, the typical operation of the central plant has not increased over the
last year,and all efforts have been made to reduce noise levels where possible. It was
therefore concluded that the mechanical equipment could still not be isolated from the
daytime ambient noise,and the focus of the noise measurements should be limited to the O
nighttime noise levels.
3.1.2 Nighttime Noise Levels
The most recent nighttime measurements were conducted by Joey Panlertkitsakul,
Matthew Wilkinson and Jeffrey Friedlander from Arup on Monday,April 22"2019 from
12am to 4:00am,with further measurements on May 29°i 2019 between 2am and 4am.
These are typically the time periods with the lowest expected ambient/background noise
(from traffic activity and other sources)to isolate equipment noise.
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3.2 Survey locations and Methodology
3.2.1 Upper Central Plant measurements
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Figure 4-Nighttime measurement locations at Upper Central Plant[Source: Google
Earth].
C� Attended measurements were conducted around the Upper Central Plant site(see Figure
4) at the property line. These locations were chosen to be representative of the property
line measurement locations measured in previous years. Measurements were also made at
an elevated position near the center of the fagade of the nearest residential building in the
adjacent Versailles gated community. This measurement location is representative of the
levels which may be experienced at the nearest balcony area. These measurements were
at least 15 minutes or more in duration,to extract the background noise levels of Hoag
Hospital equipment without the contribution from transient events such as ambulance and
traffic pass-bys.
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Hoag Memorial Hospital Presbyterian Haag Hospital Newport Beach Annual Noise Reporting
CoGen Plant and Upper Central Plant Noise Measurements
3.2.2 COGCn Plant Measurements
Location 9-
pti.. Closest fagode at
Unit 4313.
Attended measurements were made in accordance with the guidance in the City of
Newport Beach Municipal Code Section 10.26.030 at Unit 9313 in the Villa Balboa
complex.A measurement was made at the balcony and within the dining room(as
previously measured) in the unoccupied unit on the fayade facing the CoGen Plant
Bui]ding and representative of the unit with the worst case exposure to noise.
0
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Attended measurements were made along the west road at the hospital to measure
the noise levels generated by mechanical equipment associated with the loading
docks and the hospital buildings. Locations were chosen to be in line with the
measurements made in 2016 by RS Acoustics. Elevated positions were used to
measure at a location closer to the elevation of the noise source.
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3.3 Egnipment Settings
The following settings were applied to the equipment at each site during the
measurements:
CoGen Plant.
• 4 Cooling Towers running,with 3 fans running. The fans were set to manual
during the measurement period and the drives set to full speed. These operating
conditions would only occur at extreme conditions and not typical.
Upper Central Plant
• The following equipment was operational during the tests. These operating
conditions are representative of all year round conditions and will not be
exceeded barring emergencies.These are the maxhnum nighttime operating
conditions which were adopted as a result of the previous hearings.
0 2 Chillers
0 2 Cooling Towers—Fans set to manual at 80% speed
0 3 Condenser pumps at 80%duty
o Sand Filter off
o Boiler room door closed
'the Center for Medicare/Medicaid Services(CMS),Title 22 Health and Safety Code
(state) and Title 24(building code)requires hospitals to maintain proper temperature and O
humidity within the hospital and for special areas such as procedural areas, operating
rooms,sterile storage, sterile instrument processing, labor and delivery rooms, critical
care rooms,preop,recovery areas(which is almost the entire hospital). CMS and
California Department of Public Health references ASHRAE,NFPA and AORN to
ensure tight parameters for temperature which vary by type of area and humidity between
30-60%.
To maintain these narrow ranges of temperature and humidity, Hoag must utilize the
central utility plant and cogeneration plant to stay in compliance. Hoag has stated their
commitment to managing these utility plants to the highest efficiency and minimizing
equipment usage (and therefore noise)as much as possible while maintaining compliance.
3.4 Equipment
The equipment used for the measurements was as follows:
• Rion NL-52 Sound Level Meter
• Rion Preamplifier NH-21
• Rion Microphone UC-59
• Rion Calibrator type NC-74
• Rion Microphone Extension Cable EC-04B(3011.)
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CoGen Plant and Upper Central Plant Noise Measurements
• Rion AS-70 waveform software
• Bruel and Kjaer 2270
• Bruel and Kjaer Calibrator type 4231
The sound level meters and microphones used for these measurements were calibrated
before and after use,to confirm there was no significant drift in meter response.The
meters are regularly calibrated and this calibration is traceable to international standards.
The noise levels were recorded as real time calibrated uncompressed audio(*.wav tiles)
and post processed using the `Slow' weighting required by the Newport Beach Municipal
code-
4 Sound Level Results
4.1 Post Processing
To isolate the steady noise levels generated by the equipment,measurements were taken
to be longer than the required 15 mins and post processed to determine the level without
transient events such as traffic. This is effectively the same process as manually
"pausing"the measurement during these events but reduces the influence of manual
measurement error to better isolate the steadier mechanical equipment noise source.
Figure 5(i)below shows an example un-processed measurement with the transient events
in the time history. The time history shown in Figure 5(ii) below is the same
measurement with the transient events removed-
Once the transient events have been removed the equivalent sound level(dBA Lag) is re-
calculated to determine the noise level generated by the mechanical equipment.
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CoGen Plant and Upper Central Plant Noise Measurements
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as traffic pass-bys lll��Vllli/�111
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Figure 6—Villa Balboa Unit 9313 Balcony measurement-before and after transient
events (marked with red circles)have been removed
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Figure 7 -Elevated measurement at Versailles approximately 20ft above raised planter
area before and after transient events (marked with red circles)have been removed
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22 August 2019 Hoag Hospital Newport Beach Annual Noise Reporting
CoGen plant and Upper Central Rant Noise Measurements
4.2 Subjective Observations O
The background noise levels during the measurement periods were dominated by the noise
from mechanical services in both the CoGen plant area and the Upper Central Plant area.
As can be seen from Figure 5 and 6 there were several traffic passbys during
measurements.
The dominant noise source along the west road was mechanical noise from hospital
buildings. Other noise sources included distant aircraft noise, hospital activity and
occasional distant site traffic.
4.3 Noise measureinents
4.3.1 Upper Cartral Plant
_ Measured Newport City
Noise Level, Code
dBA L,y Requirement;'
Location Date/T ne - dBA L:a.
Location 1,Elevated microphone 529/19- 51 50 or measured
position at 20ft above raised planter 359a1n ambient noise
area,34it from the fagade, level
representative of the nearest 2aa
floor balcony.
Location I(a)—inside the bedroom 4/22/19— 43(approx.3ft 40'
of apartment 217 in Versailles with 2:23am from the open
the window filly open. window)
42(approx.5ft
—2 min
measurement)
40(approx.
loft-2 min
measurement)
Location 4—microphone 5ft above 4/22/19- 49 50 or measured
ground level at the property line 3.09am ambient noise
between the tennis courts and the level
Upper Central plant.
Location 3—microphone 5ft above 4/22/19- 46 50 or measured
-.round level at the property line 3.46am ambient noise
location located between the fagade level
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22 August 2019 Hoag Hospital Newport Beach Annual Noise Reporting
CoGen Rare ar d Hipp.,Central Rant Noise Measurements
- Measured Newport-CRY
- - _ - Nmsc Level, Code -
- - dBA-L__.g _Requirement; -'
Location - _ Date%Time dBA Lsq
of the Versailles condominiums and
the Upper Central Plant.
Location 2—microphone 5ft above 4/22/19 48 50 or measured
ground level at the property Irate 3.28am ambient noise
close to the intersection of Hoag Rd level
and Hospital Road.
Table 2 -Measured Noise Levels, 15 minute dBA Ley(re 20µPa)
*lfthe e.viernal noise criterion is increased based on the measured ambient level. the internal criterion should increase
by the same anion.
4.3.2 CoGen Plant Building
- - Measured NewporPURY
Noise Level, 'Code
- - _ - dBA Ley Requirement;
Locatlon . Date/TIare - - dBA 1,q -
Location 9(a)-Villa Balboa,Unit 5/29/19- 48 50 or measured
4313,Outdoor Balcony 2:OOam ambient noise
level
Location 9(b)-Villa Balboa,Unit 5/29/19- 41 40*
#313,Inside dining room with large 2.58am
sliding window hilly open
(microphone at4ft from window
opening)
Table 3-Measured Noise Levels in Unit 9313, 15 minute Ley, dBA(re 20µPa)
"Lj1he external noise criterion is increased based on the measured ambient level,the internal criterion should lnerease
by the same amount.
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CoGen Plant and Upper Central Plant Noise Measurements
4.3.3 West Road/Loading Dock Measurements
' - ,Measured Development
Noise Level; �Agreement
- ABA G,y 12e4uireagent,
Location Date/TLme dBA Ley
Location 5,microphone 511 above 4/22/19— 49 55
ground level opposite the dietary 1.45am
loading dock
Location 6—Microphone located at 4/22/19- 50 55
elevated position on telescoping 1.22am
tripod opposite the ancillary building
Location 7—Microphone located at 4/22/19- 51 55
elevated position on telescoping 0.43anr
tripod opposite West Tower
Location 8—Microphone located at 4/22/19- 51 55
elevated position on telescoping 0.22am
tripod opposite the main loading dock
4.4 Discussion O
4.4.1 Ambient noise measurements
Ambient noise measurements were repeated this year at the locations measured by the
previous acoustic consultant. These measurements show that ambient noise levels have
increased at the locations exposed to the major traffic routes and has reduced at the
location closest to the hospital grounds.
The noise levels measured at the exterior location across the site due to the mechanical
equipment only are significantly lower than the contribution from the major traffic routes
at the quietest time of night.
4.4.2 CoGen Plant
Noise levels measured at the external location at Villa Balboa are below the 50dBA Le,1
nighttime criterion required by the Newport Beach City Noise Code.
Noise levels measured at the interior location at Villa Balboa exceed the nighttime internal
noise code requirements by 1 dB. It should be noted that these measurements were taken in
a furnished dining room and with the large sliding window in this area fully open. This
measurement was made at the minimum required distance from the window. Noise levels
further from the opening are likely to be below this level and compliant with the noise code
requirements.
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22 August 2019 Hoag Hospital Newport Beach Annual Noise RepoNng
CoGen Plant and Upper Central Plant Noise Measurements
It should be noted that the dining room was fully famished with hard flooring, gypsum
board walls and ceilings and minimal soft furnishings. If more sound absorbing finishes
were installed in this space this could potentially halve the reverberation time. Although
the level at 4ft from the open window may be dominated by the direct noise level,the
reverberant noise level build up would be reduced with the soft furnishings and it is
reasonable to expect that a 1 dB reduction could be achieved.
The dining room location was chosen as the worst case with a window facing the CoGen
plant. The bedroom, as the apartment is currently set out, has a window which does not
overlook the CoGen plant building and as such would likely experience lower noise levels
if this space was tested.
In our experience, both the exterior and interior measurements would not both be measured
to determine compliance. The external measurement is generally set to ensure that the
internal level can be achieved.
In addition, it was noted in section 2.2 that the ambient noise level from all sources
measured at this location has increased and that it could be argued that 56dBA should be
used as the external noise criterion. As such, if the external criterion is increased, the
internal criterion should also be increased to 46dBA.
4.4.3 Upper Central Plant
Noise levels from the Upper Central Plant measured at the Versailles property line adjacent
to the residential fagade at street level are below the 50dBA Leq nighttime criterion required
by the Newport Beach City Noise Code.
The Noise level measured opposite the entrance to the Upper Central plant and adjacent to
the tennis courts now achieves code requirements after the installation of the roll up door at
the entrance to the Central Plant.
The Noise level measured at the elevated position at the Versailles fagade exceeds the
nighttime requirements by 1dB.
This 1 dB exceedance of City of Newport Beach Municipal Code, is not subjectively
audible. The human ear does not generally perceive decibel differences of less than 3dB.
Noise levels were measured inside a unit at Versailles for the first time this year. Due to
the layout of furniture within the bedroom, it was not possible to locate the meter at 4ft
from the open window, therefore the location was marginally closer at 3ft. This
measurement was 43dBA which exceeds the city code requirements. Short term (2 min)
measurements were made at other locations within the bedroom, at 5ft from the window,
slightly off axis, and at loft from the window on the other side of the bed. A reduction in
level was noted as the distance from the window increased and at 1 Oft from the window,
the code requirements could be achieved.
Hoag Hospital has made material changes at the Upper Central Plant to reduce noise levels
at the property line and fagade. These upgrades have been completed since last years'
measurements. These include:
• Cooling Tower#I —Replacement of motor, gearbox and fan assembly.
• Cooling Tower 42—Replacement of fan assembly.
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22 August 2019 Hoag Hospital Newport Beach Annual Noise Reporting
Cease Plant and Upper Central Rant Noise Measurements
A comparison of the noise levels measured at the Versailles facade location in 2016, 2017
and 2018 is shown in Figure 8 below(It should be noted that the operating conditions for
the 2016 values were slightly different from the following years,the CTs were both
running at 75%).
65.0 - - - - - - -
60.0
55.0 .—
0
45.0 -
I
40.0 - — - -
35.0
'o
30.0
25.0
20.0
63 125 250 500 lk 2k 4k 8k
Octave Band Center Frequency(Hz)
—2018-atfa6ade —2017-at facade —2016-atfa4ade —2019-at farade V
Figure 8-Spectral noise levels treasured at the Versailles fapade
There is a slight increase in level at high frequency, however, the low frequency elements
have reduced, potentially due to the cooling tower fan upgrade. This low frequency
element is audible at the Versailles location due to the line of sight to the CT fans.
4.5 Garit5cations
Arup's services are performed within the limits of the project as prescribed by Hoag
Memorial Hospital Presbyterian in a manner consistent with the level of skill and care
currently exercised by members of the same profession practicing in similar conditions in
the same locality. No other warranty, either expressed or implied, is included hereunder.
The Report has been prepared for the exclusive benefit of Hoag and no other party. No
responsibility is undertaken to any third party in relation to the Report and Arup assumes
no liability to third parties with respect to the use of any information, opinions or findings
disclosed in the Report.
END OF REPORT
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