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SEA Part 150 Noise Compatibility Study
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Part 150 Presentation
Technical Review Committee April 15, 2010
Part 150 PresentationPart 150 Presentation
Technical Review CommitteeTechnical Review Committee April 15, 2010April 15, 2010
Seattle Tacoma International Airport
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Welcome and IntroductionsReview of February 24th Public WorkshopReview of Baseline Operating Data Feedback from Committee
AgendaAgenda
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Review of February 24Review of February 24thth WorkshopWorkshop
Held at Mt. Rainier High School in Des Moines- Approximately 150 people attended- Began with a presentation on Part 150 - 15 Breakout stations where people were invited to provide direct input to assist in refining the scope
- Breakout summary provided instant feedback- Ended with a Q&A session
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Breakout Session SummaryBreakout Session SummaryWays to Reduce Noise
• Limits on Cargo• Deal with Runups• New ways to fund mitigation outside 65 DNL• Better community planning effort• Increase altitudes on arrival• Curfews on flights• Noise Berms/vegetation• Buyout or sales assistance• Sound insulation• Move airport• Implement noise abatement• Insulation by homeowners• Quieter aircraft at night• Hush house• Home improvements the Port can make• Share more information about new technology• New monitors for 3rd runway• Transparency about 3rd runway• Flight scheduling during nighttime• Better advertising of outreach events• Place tax on nighttime passengers• Look at taxiway exits• Allowing data collected to be shared with Port/airlines• Insulating to 55 DNL
0 2 4 6 8
Nighttime Noise
3rd Runway
Runups/ground noise
Health issues
65 DNL not valid
Property Values
Multiple Aircraft
Single-events
Most people were concerned about...
Single event noise vs. multiple aircraft...
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Review of February 24Review of February 24thth WorkshopWorkshop
Feedback on Main Concerns- What concerns people - What information they want to come from the Study- Suggestions on ways to reduce noise- Ways to better communicate with them
Action Items- Developed a Meeting Summary- Reviewing the input to determine what can or can’t be implemented and reporting back to the public
- Publish on the website and discuss at the next workshop (June 9th)
Feedback on Meeting Format- Overwhelmingly positive- Later start time and increase advertising/notification
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Existing Conditions: - Scenario 1: Actual 2009 Conditions
- Combination of 2 and 3 runway configurations- Represents what actually occurred during 2009
- Scenario 2: 2009 Extrapolated 3 Runway Configuration- Represents what would have happened in 2009 with a 3
runway configuration- Provides a better indication of what the ‘typical’ operating
mode will be
Future Baseline Conditions:- 2016 Operating levels and aircraft types- Other factors, such as location of flight tracks and how
often each runway is used, will be the same as existing- Provides a 3 runway baseline with future operating levels to
begin developing ways to reduce noise.
Baseline Operations DataBaseline Operations Data
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Existing Conditions: - Source: Calendar year 2009 data from Airport Noise and
Operations Monitoring System (ANOMS) and FAA- Annual Operations: 318,600 (873 average annual day)- Fleet Mix:
- Boeing 737 “Next Gen” are the most common aircraft- Boeing 747-400 is the largest aircraft
Future Baseline Conditions:- Forecast of Aviation Activity underway- Will include changes in operating levels and fleet mix
Baseline Data: OperationsBaseline Data: Operations
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Baseline Data: OperationsBaseline Data: Operations
0 50 100 150 200 250 300
Total Operations in 2009: 318,600Average Operations per Day: 873
Boeing 737-200
Boeing 717-200
McDonnell Douglas DC10/MD10/11
Boeing 777-200/300ER
Boeing 747-100/200/300/400
McDonnell Douglas MD-82/83/87
Boeing 767-200/300/400
Airbus A300/306/332/333/343
McDonnell Douglas MD-90
De Havilland Dash 8/Embraer 120
Airbus A318/319/320/321
Boeing 757-200/300
Business Jet and Propeller
Boeing 737-300/400/500
Embraer 190/Canadair 100-900
Boeing 737-700/800/900
Operations per Day
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Flight Tracks: - Source: Flight track data of a typical day from ANOMS• North Flow• South Flow• Three-Runway• Two-Runway- Analysis: 2009 flight tracks will be analyzed for location
and flight density by various aircraft types- Initial Findings:
- The majority of aircraft are following the existing noise abatement procedures
- Early turns on departure are being conducted by smaller turbo-propeller aircraft
Baseline Data: Flight TracksBaseline Data: Flight Tracks
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Baseline Data: Flight Tracks Baseline Data: Flight Tracks –– 2 Runways in North Flow2 Runways in North Flow
close-up map
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Baseline Data: Flight Tracks Baseline Data: Flight Tracks –– 3 Runways in North Flow3 Runways in North Flow
close-up map
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Baseline Data: Flight Tracks Baseline Data: Flight Tracks –– 2 Runways in South Flow2 Runways in South Flow
close-up map
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Baseline Data: Flight Tracks Baseline Data: Flight Tracks –– 3 Runways in South Flow3 Runways in South Flow
close-up map
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Runway Use: - Source: Runway use data in yearly percentage used from
ANOMS- Analysis: 2009 runway use will be analyzed for various
conditions- Day versus night- By aircraft type- By north versus south flow- By 2 runway versus 3 runway conditions
- Initial Findings: - South flow (arrivals from the north and departures to the
south) is the predominant flow at the airport (approx. 69% in 2009)
- When 3 runways were available, the runway use was consistent with projections from the Third Runway EIS
- When 2 runways were available, Runway 16R/34L was used approximately 40% of the time
Baseline Data: Runway UseBaseline Data: Runway Use
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Baseline Data:Baseline Data: Runway Use Runway Use –– 2 Runways2 Runways
-Includes 2-runway use during Apr-Sep 2009
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Baseline Data:Baseline Data: Runway Use Runway Use –– 3 3 RunwaysRunways
-Includes 3-runway use during Jan-Mar 2009 and Oct-Dec 2009
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Baseline Data:Baseline Data: Runway Use Runway Use –– Annual 2009Annual 2009
-Includes 6 months of 2-runway use and 6 months of 3-runway use
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Baseline Data:Baseline Data: Ground RunGround Run--UpsUps
Source: - Noise Abatement Office
Run-Up logs
Findings: - Most jet run-ups occur
during day- Day run-ups are most
commented on- Most run-ups occur at
south airfield pad
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Baseline Data:Baseline Data: Noise Monitor LocationNoise Monitor Location
Noise Monitors: - Port has 25
permanent noise monitor sites
- Collect data 24/7- Algorithms to
identify aircraft versus community noise
- WebTrak - online website available to view flight tracks and real- time noise levels
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Baseline Data:Baseline Data: Measured Noise Levels DNLMeasured Noise Levels DNL
- Monitors 1 & 2 are used to capture noise from run-ups- DNL is a yearly average
Monitors 1 and 2 are on the airfield
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Baseline Data:Baseline Data: Measured Single Event Noise LevelsMeasured Single Event Noise LevelsNoise Levels:
- Source: ANOMS• Lmax is the highest noise level measured during a flyover• Scale is constant• There are 25 total permanent sites• The following shows a sample of the data collected at 4 sites- Findings: Noise levels will depend on NMT location
relative to flight pattern
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Baseline Data:Baseline Data: Measured Noise Levels Measured Noise Levels LmaxLmax
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Baseline Data:Baseline Data: Measured Noise Levels Measured Noise Levels LmaxLmax
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Baseline Data:Baseline Data: Measured Noise Levels Measured Noise Levels LmaxLmax
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Baseline Data:Baseline Data: Measured Noise Levels Measured Noise Levels LmaxLmax
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Supplemental Measurement Program: - Part 150 will conduct monitoring at up to 12 additional sites
- Purpose of the program is to augment the 25 permanent sites- Sideline propagation and topographic effects
- Anticipated schedule is Summer 2010- Two sites are dedicated to ground/run up noise west of
airport- Up to ten sites to address public comments and concerns
- Gather technical data to support the modeling- Responding to specific concerns brought up by the public that
are not already covered by one of the 25 permanent sites- Results of the programs will be shared
- TRC- Public- Website
Baseline DataBaseline Data
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Provide input on the following:1. Questions/Comments about the public
workshops?2. Are there other data sources that we should
utilize to supplement what we have already?3. Suggestions for noise measurement locations
or conditions?4. Suggestions for improving the way we are
displaying/presenting data?
Committee FeedbackCommittee Feedback
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Continue data collection
Review/incorporate suggestions into Part 150 Study
Next Public Workshop- June 9th 2010- Report back from previous meeting and continue to
seek direct input
Next Technical Review Committee Meeting- July 2010- Present Draft Noise Exposure Maps- Begin discussion of potential noise abatement options
Next StepsNext Steps
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Questions/AnswersQuestions/Answers
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