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Home My WebLink About20071409.tiff City&County of Denver JOHN W.HICKENLOOPER Mayor May 10, 2007 Weld County Commissioners Weld County PO Box 758 Greeley, CO 80632 Dear Sir or Madame: Enclosed is the Noise Report for the 1st Quarter of 2007 (January 1, 2007 to March 31, 2007) from the Denver International Airport Noise Office. If you have any questions regarding this report, or if I can be of further assistance, please contact me at (303) 342-2360. Sincerely, • • Andrea C. Christensen Denver International Airport Aviation Noise Officer J DENVER INTERNATIONAL AIRPORT Department of Aviation 03A13031:3 Airport Office Building 8500 Pena Boulevard Denver,Colorado 80249 bE 1V I I AMl AI 303.342.2200 �1 www.FlyDenver.com S83 N Q I S S I WWO 3 Alt4003 013M Co ^ ; ,=mot 147f/7c/cc CC ; A/cue/ih 2007-1409 3 - I Co o7 1st Quarter 2007 Results it lr st �' it , i .-,.z= t; The number of potential Class II NEPS one complaint decreased by 42% (19 vs. ' ,, violations registered during the 1st Quar- 33 in 1q06). Five households registered a ter of 2007 (1q07) is zero. During the 1st combined 78% of total complaints. The r. Quarter of 2006 (1q06), there were zero percentage of complaints received during lit;t• t potential Class II NEPS violations. Please Nighttime Aircraft Operations (10:00pm to • —.. see page 6 for DEN NEPS information. 7:00am) for 1q07 was 6% of all com- plaints received for 1q07. Please see There was no potential 65 DNL noise pages 7 and 8 for complete complaint and u O contour violation for the quarter. The 65 operational data. DNL contour continued to be completely contained within the boundaries of the ico Cg City and County of Denver. Please see / page 5 for DEN contour map. '_, k,4,,, • There was a 1.2% increase in noise _1.^' k >f4' 'l t 1-4,,C.:,,. CD complaints received in 1q07, as corn- Co pared to 1q06(148 vs. 126 in 1q06). The a , number of households registering at least \‘,.' .. ' `4,AL Q ° Team Effort Helps Reduce Aircraft Noise f ti ti Since opening day in 1995, the DIA success depends not only on the coopera- ° Noise Abatement Office has worked to tion of airline management and crew identify and implement measures de- members, but also on the integrated ef- • k` signed to minimize aircraft noise impact in forts of DIA operations personnel in the p -C surrounding areas. These measures have ramp control tower as well as FM air traf- if re included a number of changes or addi- fic controllers in the FM control tower. tions to air traffic control procedures used r„ to route aircraft into and out of the airport, Through good team work, ramp control- lers and FM controllers coordinate with and to the assignment of runways to be k * 3 used by certain aircraft. one another to ensure that air crews at- '' '' tempting to follow the procedure by re- - One such procedure is designed to questing a preferred runway will be routed .f minimize the over-flight of noise-sensitive along the airfield in a manner that makes } areas west of DIA by the noisiest aircraft, it possible. This coordinated effort has defined for the purposes of the procedure contributed to a continuing reduction in A ,'',, e , as "Noise Critical Aircraft." Westbound the number of noise complaints received, Noise Critical Aircraft are requested to as well as a reduction in the number of ,, depart on the north/south runways, and to violations of the noise limits contained in continue along routes which keep them the Denver/Adams County Intergovern- A, away from noise-sensitive areas to the mental Agreement. �'^ c west. As this is a voluntary procedure, its it�yr.. Inside this issue: Special points of interest: DEN ANOMS 2 -E ARTSMAP 2 • No NEPS Violation for 1007,page 6. „g. .. Land Use and Zoning 2 • Complaints are up 1.2%from 1Q06,page 7. ". A DEN Noise Hotline Policy 3 (0).! ry • Aircraft operations are up.page 7. * Glossary of Terms 3 * t r • Complaint map.page 8. y NEPS and RMT Map 4 ? r • See page 9 for runway usage. -'��i$: ^.8 1g01 Information 5-9 DEN Airport Noise and Operations System The DEN Airport Noise and Opera- on page 4 for RMT locations). Lions Monitoring System (ANOMS) is a state-of-the-art computer system de- The system also records the move- ment of all aircraft in the vicinity of signed to enable the City and County of Denver to monitor aircraft noise in DEN by utilizing FM air traffic control • the vicinity of the airport. In addition radar data. This makes it possible to to monitoring noise levels, the system match actual flights with noise calculates Noise Exposure Perform- events. ! , , • ance Standards. (NEPS) at 101 grid In addition, the ANOMS system points in Adams County (see map on records weather information from page 4 for NEPS locations). three remote stations, which include a RACAL recording device to record 4 The DEN ANOMS system monitors _, noise levels at 27 permanent and 4 pilot controller radio transmissions. Remote Monitoring Terminal(RMT) portable noise monitoring terminals. with a weather collecting station. These terminals are located through- `� out the Denver metro area (see map ARTSMAP ARTSMAP is a specially designed gram analyzes, views, reports, and noise modeling program that auto- stores the data. % matically creates noise contours. ARTSMAP is designed to create con- Currently, ARTSMAP is used at tours from actual radar flight tracks several major airports nationally. It • that our office receives from the FAA allows the DEN Noise Abatement Of- ARTS system which is sent via mo- fice to perform noise data analysis, dem, eliminating the need for manual generate daily automated noise con- data manipulation. The ARTSMAP tours, receive detailed runway utiliza- software is installed on a computer in tion, and airline fleet mix identifica- the Noise Abatement Office. The pro- tion. ARTSMAP Output Land Use and Zoning Urban growth and development in The Noise Office has developed However,for DEN,the 60 Ldn noise the areas surrounding DEN, particu- noise contours surrounding the air- contour is used for compatible land larly non-compatible residential and port, inside which certain types of use planning by the surrounding juris- other noise-sensitive land uses, is of land uses are not recom- dictions, in accordance with guide- utmost concern to the City and mended. The 65 Ldn noise contour lines promulgated by the Denver Re- County of Denver. (average decibel level with a 10 deci- gional Council of Governments and • bel penalty applied to nighttime op- the Denver/Adams County Intergov- erations) is a line inside which, under ernmental Agreement. Additional Federal guidelines, no residential mapping for DEN that includes the development should occur. applicable noise contours is available upon request. ,_. r- The operational 65 Ldn noise con- - ..._- i tour for the airport, as created by ARTSMAP, is included in this report. Paget 1 st Quarter 2007 Noise Report DEN Noise Hotline Policy The purpose of the DEN Noise Corn- Profanity will not be tolerated,and plaint Hotline is to provide an oppor- will result in the complaint not being tunity for individuals to express their registered. Any attempt to deliber- concerns regarding noise generated ately tie-up or abuse the Hotline may by aircraft operating at DEN. Citizens result in police action. Phone harass- are asked to leave their name, ad- ment is a state criminal offense and dress and the date and time of their can carry a jail sentence and/or fine. ,e 't'; complaint on the hotline. Complaints Threats involving aircraft and/or the are downloaded daily by our Noise airport are a very serious matter and Analysts and then transcribed into are a federal criminal offense. To the ANOMS system, where specific make a threat, even jokingly,will re- F' complaints can be matched to indi- suit in a notification to the Denver ?V vidual flight tracks. It is essential for Police Department and may involve ` , all information to be entered correctly an FBI investigation. in order for the system to be effec- tive. Glossary of Terms Sound: A rapid variation in air pres- ear. Nearly all aircraft sound level lar Ldn level. These contour lines are sure, which is perceived by the ear measurement is conducted using A- nested in such a way that contours and brain as sound. weighting. closer to the airport generally sur- round areas that experience higher Noise: Generally considered to be Equivalent Continuous Sound Level noise levels than contours farther any sound,which is deemed undesir- (Lea): A measurement of the average out. Annual Ldn contours are used to able by an individual. sound energy experienced over a pe- determine whether certain types of riod of time. This average sound level zoning or land uses are compatible Decibel: Sound is measured by its is expressed in decibels, and includes ev- pressure or energy in terms of deci- s. 65Lni particular co annual Ldnby noise y a notation of the period of time, els. 65 Ldn is considered many bels. The decibel scale is logarithmic; which it covers (such as Leq (24)for when the decibel level increases by 6 which l denies to e utse level at an average of the sound level over a which residential land use becomes dB,the measured sound is twice as 24-hour period). incompatible. loud. Day Night Level (Ldn): Also referred Remote Monitoring Terminal(RMT): Noise Abatement: A measure or ac- to as DNL. Similar to a Leq measure- Consists tion that minimizes the amount or her of noise level analyzer, a ment, but is conducted over at least a weatherproof microphone,a system impact of noise on the environs of an 24-hour time span and includes a airport. Noise abatement measures controller, and a 10d6 nighttime penalty. For an Ldn dedicated a power supply,telephone do wnload to download include aircraft operating procedures calculation, all noise that occurs at and use or disuse of certain runways noise data to the ANOMS cabintem, ta.l night(defined as 10:00 pm to 7:00 mounted in a weatherproof cabinet. or flight tracks. These operating pro- am) is artificially increased for the cedures are controlled by the FAA. public's increased sensitivity to noise A-Weighted Sound Level (dBA): A during these hours. type of sound level measurement Noise Contour: A line surrounding an which reduces the effect of very high airport that encloses a geographic and very low frequencies in order to region,which is exposed to a particu- mimic the response of the human Page 3 1st Quarter 2007 Noise Report Noise Exposure Performance Standards (NEPS) Grid Coordinates, IGA Contour, and Remote Monitoring Terminal (RMT) Locations I r i i c I la V o o c cco J ' a E 0 0 `o F z z c o r• J o ,�; Q CO CO �, a t- - D(J`_ J (4(...— 41i, _ Q Q O Om Z E c a Q (T iflIIT (DwI4, L. :, • O rn o Zi 0'. e .'...."-':i' we U \ , � ► i _ o � r ,�— to • *r. .,- ..\:,7 ?`� r' ' I --- --- N CS ��: w_ .�. :—. /FLU W N ter," r ', y i! " --- / ® ® 2 8 CO - \ . ° <7--"Cr. - CID 1-.,. Q t f.-.."' --rt(1 2 s i .1.''\ ce, t (#) Zi (1,)4rt o a /645m w O �ciJ - ® t © 3, �73 . 3 13/.((* .. . ---- - i /I -� t'-'",.; ; g p r--\ 1 i 1 ---_T• lees \ v v Q 1 +a / 6 1 a ,•• � 1 b4 OT Page4 1st Quarter 2007 Noise Report 1st Quarter 20O7—DEN 65 LDN Contour Q a 0 o 0 op t o z o N o a o d ,Weld a� W -50- E o o 4 a I n S �i .\4 0 t1 r J/ 0 _ a \ J V aQc N Q .,, N., �,P \JrJ • .6° yh o , ' 3 < *0 � a Adams ✓ L,?'-' l^ Adams - — / __.-k., - 0 r, w > Rocky Mountain r--- ", Arsenal "- C a oo _a L I Denver I e, 9 Adams Legend IGA65 LDN Contour kt ° 1007 65 LDN Contour Arapahoe DEN Property Line i ; County Boundary .j DEN 1Q07 65 LDN Contour 00.5; 2 3 QMiles Page 5 1st Quarter 2007 Noise Report 1st Quarter 2007--Denver/Adams County IGA REPS Values Area 2 Area I 1Q07 1Q07 Grid IGA Annual Calculated Difference Grid IGA Annual Calculated Difference Points Leq(24) Leq(24) Leq Points Leq(24) Leq(24) Leq • A,1 38.6 36.4 -2.2 C,4 44.2 34.8 -9.4 A,2 37.6 37.5 -0.1 C,S 36.7 33.6 -3.2 A,3 42.3 38.9 -3.5 C,6 36.0 _ 33.0 -3.0 A,4 45.3 40.0 -5.3 D,4 41.1 34.5 -6.6 A,5 43.9 40.4 -3.5 D,5 34.2 34.4 0.2 _ A,6 37.5 38.6 1.1 D,6 36.0 34.5 -1.5 A,7 37.7 36.8 -0.9 D,7 41.4 35.3 -6.1 A,8 36.5 35.5 -1.0 E,4 38.3 34.0 -4.3 A,9 36.3 35.2 -1.2 E,5 34.8 34.8 0.0 A,10 37.6 35.1 -2.5 E,6 36.7 34.3 -2.4 A,11 39.2 34.6 -4.6 E,7 41.4 34.7 -6.7 A,12 41.2 33.6 -7.6 F,2 51.7 36.9 -14.8 _ _ B,2 39.5 37.8 -1.8 F,3 43.7 _ 33.8 -9.9 B,4 42.5 40.7 -1.8 F,5 37.3 32.6 -4.7 8,5 43.1 41.4 -1.8 F,6 38.5 33.2 -5.3 B,6 39.0 39.2 0.2 F,7 42.1_ 34.1 _ -8.0 6,7 39.0 37.1 -1.9 G,2 51.2 37.7 -13.5 6,8 38.0 36.1 -1.9 G,3 42.1 33.7 -8.4 _ 8,9 38.3 36.4 -1.9 G,4 40.2 32.1 -8.1 6,10 39.0 36.4 -2.6 H,2 50.1 39.2 -10.9 B,11 40.4 35.6 -4.8 H,3 46.0 34.7 -11.3 6,12 42.6 34.7 -7.9 H,4 46.1 33.3 -12.9 C,2 41.0 38.4 -2.7 C,3 43.3 39.4 -3.9 Area 3 C,4 43.5 41.3 -2.2 1Q07 C,5 43.4 42.4 -1.0 Grid IGA Annual Calculated Difference C,6 43.3 39.8 -3.5 Points Leq(24) Leq(24) Leq C,7 43.3 37.3 -6.0 A,-1 38.9 32.0 -6.9 C,8 42.6 36.9 -5.7 A,0 39.6 32.2 -7.4 C,9 42.2 37.8 -4.4 A,1 43.2 32.7 -10.5 C,10 41.6 37.4 -4.2 A,2 45.7 33.8 -11.9 C,11 42.5 36.1 -6.4 A,3 45.6 35.2 -10.4 C,12 44.3 34.8 -9.5 B,-1 37.9 32.1 -5.8 D,2 41.7 39.0 -2.7 6,0 39.2 31.8 -7.4 D,3 46.2 39.8 -6.4 B,1 42.6 32.3 -10.4 _ D,4 48.4 41.9 -6.5 6,2 45.8 33.0 -12.8 D,5 48.2 43.5 -4.7 B,3 45.7 34.3 -11.4 _ _ D,6 46.2 40.4 -5.8 C,-1 36.7 _ 32.3 -4.4 D,7 44.2 37.7 -6.5 C,0 37.1 32.4 -4.7 D,8 43.7 38.0 -5.7 C,1 39.5 32.5 -7.0 D,9 43.1 38.8 -4.3 C,2 44.8 33.0 -11.8 0,10 _ 44.9 37.6 -7.3 C,3 46.5 34.1 -12.4 D,11 44.5 35.9 -8.6 D,-1 32.6 32.9 0.3 _ D,12 45.1 34.4 -10.7 D,0 33.3 32.8 -0.5 E,1 42.4 38.9 -3.6 0,1 37.3 32.5 -4.8 E,2 42.2 40.0 -2.2 D,2 43.0 32.6 -10.4 E,3 46.7 40.4 -6.4 E,-1 31.4 32.6 1.2 i E,4 51.2 42.6 -8.6 E,0 33.1 32.0 -1.1 E,S 51.0 44.7 -6.3 E,1 36.2 31.6 -4.7 _ E,6 44.6 41.0 -3.6 E,2 40.6 31.6 -9.1 E,9 43.1 39.5 -3.7 F,1 36.5 _ 31.1 -5.4 _ E,10 43.1 37.4 -5.7 F,2 39.4 31.9 -7.5 - E,11 46.1 35.4 -10.7 G,1 42.5 33.2 -9.3 aa+gaavcIIMaIN. AMICINEMII Page 6 1st Quarter 2007 Noise Report 1st Quarter 2007--DEN Complaint and Operational Statistics 1Q07 Noise Complaint Calls by Community* No.of No.of No.of No.of Total Calls for 1q07 by Community* Community* Calls Callers Calls Calls 1Q07 1Q07 1Q06 1Q05 Westminster Aurora Arvada 0 0 2 0 30% 37% Watkins \ Aurora 55 3 50 71 1% Boulder Bennett 0 0 0 1 `\ 1% Boulder 1 1 1 11 Thornton \ __ Brighton 7 2 0 88 1% Brighton ig rz Commerce City 10 2 17 85 Parker Elizabeth \ Commerce Cfty° Denver 3 2 5 13 7% 9% - 7% Denver Elizabeth 14 3 13 89 2% Evergreen 0 0 0 8 Fort Lupton 0 0 1 0 Lafayette 0 0 1 0 Top Five Complainants Vs. All Others Lakewood 0 0 6 16 22% 31% Lochbuie 0 0 4 0 Northglenn 0 0 2 5 ` 5%-- r Parker 11 3 3 32 _t Thornton 1 1 1 34 Watkins 1 1 10 3 6% 4 Westminster 45 1 10 49 22% 14% Wheatridge 0 0 0 1 Overall Total 148 19 126 506 •See map on next page for location of known noise complaints. Monthly Comparison: 1Q07 Noise Complaint Calls - Daytime vs. Nighttime N Time Complaint 2 m d D M t ro 2. a 0 ° o 1Q07 t a c c ft, r° m 2007 Received w iv n = ,(0 < c 3 Q B January to March Total ,2 s rr ru co cll Total Day Hours 8 59 72 139 139 (7:00 am to 9:59 pm) Night Hours 2 2 5 9 9 (10:00 pm to 6:59 am) Total 10 61 77 148 148 Monthly Comparison: 2006 Total Operations vs. 2007 Total Operations 60000 60000 55000 55000 50729 "53432 50000 50000 460.6 msoa 452O3 48230 45000 44643 40000 I i , — + I -- , I ---I 40000 Jan Feb Ma Apr Ma/ Jul al kg Sep at Nov Dec ♦2006 —k—2W7 Page 7 1st Quarter 2007 Noise Report 1st Quarter 2OO7--DEN Complaint and Operational Statistics I H t: 4, :n 1 r Z N rr • ,/ I Q 0. - II 1 p • . 0 01 • j (.) 11 I t • • • 0 — .• Q _ i 4. • -,- -mot �; c.• { y • 1 -._",� • • Ai.._._- r u . • , `' • .F' :r A;;. ;1- I. l.�' it .1-. ._ 'S. , .f. .ta.. .. •.-.y.nie 1 `\ " ' i.l II I • \ r. . i'' • T ; • a O O - V ,r r t tL X o ff _ •i. r } - r 1 UZ W I. p f / \ ♦ a h I 2 1 i t O7 , ! `• 0 .�Y r -- 1* -'i' ` • I ; . . . �� . 1 BIM rrrNINsa Page 8 1st Quarter 2007 Noise Report 1st Quarter 2007--DEN Runway Utilization and Day/Night Statistics ri ARR \61t 15.5% --“-- ARR I , DEP I DEP ARR P ARR 0______-- 0.0% 26.8% ri 0.0% 6.1% 5 0.7% 25.8% -J,‘ X 7 V DEP 17- 0.1% 17L/ ARR 5.7% ` ARR J DEP 0.1% 8.8% 14.8% 15.9% - ;- DEP DEP DEP S'L .L 4.9% 0.0% 2.9% ARR ARR 1.3% 34L 13481 DEP 0.1% 25.5% DEP SL 07O7 148% ARR v 0.0P I , DEP ARR ARR.4%[`�"0.1% 25 ARR 3.3% 0.0% 26 351\ 35R 2006 vs. 2007 DEN Daytime Arrivals & Departures 54000 -- - 54000 Y! L 49000 V r rn - 49000 rn LL LL 0 44000 - 44000 aat 39000 -, i i i I I i I 39000 Jan Feb Mar Apr Ma Jun Jul Au Se Oct Nov De Lt 2006 t-2007 2006 vs 2007 DEN Nighttime Arrivals & Departures 4000 4000 - a _-`O, 3500 - - 3500 rn LL LL 6 3000 . -- 3000 w * 2500 I f I I I I I I I 2500 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec -- —4-2007 i=-2006 Page 9 1st Quarter 2007 Noise Report Working @ DEN is GREAT! VISION Working together, we will be the world's finest airport. MISSION Enhancing economic prosperity and quality of life in the Denver region by connecting its people and products to the world. Leading the aviation industry in safety, service, convenience, efficiency, innovative practices, aesthetics and financial strength. L_ ___saL>v 7-7,41, Denver International Airport Noise Office 8500 Pena Boulevard AOB.6th Level.NW Corner Mail Code 285 Denver.CO 80249-6340 Phone:303.342.2000 Noise Hotline:303.342.2380 Toll Free Noise Hotline:800.417.2988 Fax:303.342.2366 £-mail:Noise.Office@diadenver.net We're on the Web! www.f!vdenver.com Hello