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Home My WebLink About20081334.tiff FAM City&County of Denver JOHN W. HICKENLOOPER Mayor April 30, 2008 Weld County Commissioners Weld County PO Box 758 Greeley, CO 80632 Dear Sir or Madame: Enclosed is the Cumulative Noise Report for January 1, 2008 through March 31, 2008 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 DENVER INTERNATIONAL AIRPORT Department of Aviation Airport Office Building 8500 Pena Boulevard Denver,Colorado 80249 :v _ 303.342.2200 www.FlyDenver.com e _ ni fluin/ r c h c1/7 s 2008-1334 5" 5 -c6 DO . � f✓ .J ti �J ti ti `'i ti 0 O 0- 0- 0- a s. ' J `'J `J 0, 0 t 2008 Cumulative Noise Repot ti ti tt � J ti ti ti ti ti ic DENVER INTERNATIONAL AIRPORT January 15,—March 31o,2008 Issued April 30,2008 x. . < 11,1114••••. • ..il� January 1st to March 31st, 2008 Cumulative Results The number of potential Class II NEPS violations registered during January 1st through March 31st, 2008 (1q08) is zero. During January 1st through March 31st, 2007 (1q07), there were zero potential Class II NEPS violations. Please see page 6 for DEN NEPS infor- inside this issue: mation. There was no potential 65 DNL noise contour violation for the time period. The 65 DNL DEN ANOMS 2 contour continued to be completely contained within the boundaries of the City and County of Denver. Please see page 5 for DEN contour map. ARTSMAP 2 There was a 8.6% increase in noise complaints received in 1q08, as compared to 1q07 rand use and Zoning 2 (162 vs. 148 in 1q07). The number of households registering at least one complaint in- creased by 17% (23 vs. 19 in 1q07). Five households registered a combined 74% of total DEN Noise Hotline Policy 3 complaints. The percentage of complaints received during Nighttime Aircraft Operations (10:00pm to 7:00am)for 1q08 was 15% of all complaints received for 1q08. Please see Glossary of Terms 3 pages 7 and 8 for complete complaint and operational data. NEPS and RMT Map 4 Rachel B. Noel Middle School Career Day IgosInformation 5-9 The staff of the DEN Noise Office were asked to participate in the Rachel B. Noel Middle School Career Day for eighth graders on Thursday, March 20, 2008. There were close to 20 participants in other job fields in attendance as well. The students asked questions about the education and skills needed to apply for a particular job, and also asked for sug- gestions for appropriate course selections . This event was an educational experience for Special points of the students, and provided them with valuable insight into possible career choices. Ap- interest proximately 350 eighth graders participated in the career day. • No NEPS Violation for 1Q08,page 6. The career day was organized by Community Resources, Inc., a non-profit that was started in 1972 by two mothers of Denver Public Schools (DPS) students. They believed • complaints are up 8.6% / \ that classroom learning could be enriched by bringing from 1Q07.page 7. community volunteers, from various work fields, into •Aircraft operations are the schools. They currently involve over 300 volun- up,page 7. _ teers to provide services through their four projects: •Complaint map.page 8. —, _ Classroom Speakers, Horizons-Family Involvement Pro- ject, Academic Mentors Project, and Special Events. •See page 9 for rum4-ay usage ;, ` „O• Scientists, artists, writers and professionals from nu- merous other fields are recruited and trained for the classroom and scheduled in the Denver Public (... \ . l - ,l, 1 } Schools. ti ti ti ti ti ti ti ti • o- o- c>.- o- o- o• or o- ti ti ti ti ti ti c>- ti DEN Airport Noise and Operations System The DEN Airport Noise and Opera- The system also records the move- tions Monitoring System (ANOMS) is a ment of all aircraft in the vicinity of state-of-the-art computer system de- DEN by utilizing FM air traffic control • signed to enable the City and County radar data. This makes it possible to of Denver to monitor aircraft noise in match actual flights with noise the vicinity of the airport. In addition events. i to monitoring noise levels, the system In addition, the ANOMS system calculates Noise Exposure Perform- ance Standards. (NEPS) at 101 grid records weather information from three remote stations, which include i points in Adams County (see map on a RACAL recording device to record ' page 4 for NEPS locations). pilot/controller radio transmissions. The DEN ANOMS system monitors noise levels at 27 permanent and 4 portable noise monitoring terminals. Remote Monitoring Terminal(RMT) wimaweatner collecting station. These terminals are located through- out the Denver metro area (see map / on page 4 for RMT locations). ARTSMAP ARTSMAP is a specially designed Currently, ARTSMAP is used at /// \\ noise modeling program that auto- several major airports nationally. It matically creates noise contours. allows the DEN Noise Abatement Of- ARTSMAP is designed to create con- fice to perform noise data analysis, tours from actual radar flight tracks generate daily automated noise con- ..— i 11 that our office receives from the FAA tours, receive detailed runway utiliza- S ARTS system which is sent via mo- tion, and airline fleet mix identifica- dem, eliminating the need for manual tion. data manipulation. The ARTSMAP software is installed on a computer in the Noise Abatement Office. The pro- gram analyzes, views, reports, and ARTSMAP Output stores the data. -/ Land Use and Zoning Urban growth and development in development should occur. the areas surrounding DEN, particu- The operational 65 Ldn noise con- larly non-compatible residential and tour for the airport, as created by other noise-sensitive land uses, is of ARTSMAP, is included in this report. utmost concern to the City and However,for DEN,the 60 Ldn noise County of Denver. contour is used for compatible land The Noise Office has developed use planning by the surroundingjuris- I noise contours surrounding the air- dictions, in accordance with guide- port, inside which certain types of lines promulgated by the Denver Re- land uses are not recom- gional Council of Governments and mended. The 65 Ldn noise contour the Denver/Adams County Intergov- .. (average decibel level with a 10 deci- ernmental Agreement. Additional Vttl•t t__V—.i 'r bel penalty applied to nighttime op- mapping for DEN that includes the erations) is a line inside which, under applicable noise contours is available Federal guidelines, no residential upon request. PAGE 2 2008 CUMULATIVE NOISE REPORT • ti ti �J ti ti ti ti ti ti ti ti ti '-J �J ti h J DEN Noise Hotline Policy The purpose of the DEN Noise Profanity will not be tolerated, and Complaint Hotline is to provide an will result in the complaint not being opportunity for individuals to express registered. Any attempt to deliber- their concerns regarding noise gener- ately tie-up or abuse the Hotline may ated by aircraft operating at DEN. result in police action. Phone harass- 4 - Citizens are asked to leave their ment is a state criminal offense and name, address and the date and time can carry a jail sentence and/or fine. ' • of their complaint on the hotline. Threats involving aircraft and/or the • ....3 Complaints are downloaded daily by airport are a very serious matter and our Noise Analysts and then tran- are a federal criminal offense. To scribed into the ANOMS system, make a threat, even jokingly,will re- where specific complaints can be suit in a notification to the Denver .� matched to individual flight tracks. It Police Department and may involve r'.. is essential for all information to be an FBI investigation. entered correctly in order for the sys- tem to be effective. Glossary of Terms sound: A rapid variation in air pres- and very low frequencies in order to Noise Contour A line surrounding an li sure,which is perceived by the ear mimic the response of the human airport that encloses a geographic and brain as sound. ear. Nearly all aircraft sound level region,which is exposed to a particu- measurement is conducted using A- lar Ldn level. These contour lines are weighting. nested in such a way that contours Noise: Generally considered to be closer to the airport generally sur- any sound,which is deemed undesir- round areas that experience higher able by an individual. Equivalent Continuous Sound Level noise levels than contours farther (Lea): A measurement of the average out. Annual Ldn contours are used to sound energy experienced over a pe- determine whether certain types of Decibel: Sound is measured by its hod of time. This average sound level zoning or land uses are compatible pressure or energy in terms of deci- is expressed in decibels, and includes with particular annual Ldn noise lev- bels. The decibel scale is logarithmic; a notation of the period of time, els. 65 Ldn is considered by many when the decibel level increases by 6 which it covers(such as Leq (24)for federal agencies to be the level at dB,the measured sound is twice as an average of the sound level over a which residential land use becomes loud. 24-hour period). incompatible. Noise Abatement: A measure or ac- Day Night Level(Ldn): Also referred Remote Monitoring Terminal (RMT): Lion that minimizes the amount or to as DNL. Similar to a Leq measure- Consists of a noise level analyzer, a impact of noise on the environs of an ment, but is conducted over at least a weatherproof microphone,a system airport. Noise abatement measures 24-hour time span and includes a controller,a power supply,and a include aircraft operating procedures 10dB nighttime penalty. For an Ldn dedicated telephone line to download and use or disuse of certain runways calculation, all noise that occurs at noise data to the ANOMS system, all or flight tracks. These operating pro- night(defined as 10:00 pm to 7:00 mounted in a weatherproof cabinet. cedures are controlled by the FM. am) is artificially increased for the public's increased sensitivity to noise during these hours. A-Weighted Sound Level(dBA): A type of sound level measurement • which reduces the effect of very high PAGE 3 2008 CUMULATIVE NOISE REPORT Noise Exposure Performance Standards ( NEPS) Grid Coordinates, IGA , Contour, and Remote Monitoring Terminal (RMT) Locations I I z -E 5 - i -, -. ' a c ---� . ._. yy 1, ,1 ^ ¢ c� T C7 C� Z U C7 .i 71 s • ta., --ri7 a • �} • ` t ' is C ... A : n ,_ 1. 0 rli CV iii al '' Q t» t c e C 0 .• (�ry1 - I S qq j c. �� 4^ G W (- l�-,• lW' t,�[ re) (8) ab (;' (3) (.k (.)_.<yQ;-&a 1)-- :a L<l.i i`�, • (Si'r" .04) tg1--t41 -.- --) C� `Q . CI! j i j ►n (a :3 3, . .� i( .' `,<) .\≤1 g} ,i; co d` it c • tp ---k ��t_ \ Q �,.. I �? , (W 1 !•IL• O.1."--:"` .ems.` • • 4 W 'Y W {y' W l'—i.W Z 4^ i IF S' i O .V. O. (a) :o-'t�It O o {Ni J e h- 7 -.., _ o :i .i. cw ;U)`x Q1 ''3' 8 •,\ ii".. -0�:....:`.j 0 • ui- ..-.. . 9,{ • it s ( c•m_ ig, 'gym di 8 m ,a a' .1. —'- a'. c.ixi~^� t� (Q. a4 i °� i 4 c '4 N ' 1 q N f r • I L i Se_ • ' • ,.. :.ii < U i Ii ..,... i ,_. __, _ _____ . i __________ • _ PAGE 4 2008 CUMULATIVE NOISE REPORT January 1 - March 31, 2008—DEN 65 LDN Contour • Welk: ` w,`` J---N\ , +I I. A• 11 1 i ._. s0 / �., f is /i E 1 t • / I . f Adams I 7- i ! 1 ..___—_—_---------\„...------ .-____,) '! e - 1-\,)_--------,........,_____ 4, .,,,„„, s , l ......a Ii`• '� 1 I r. I t `--- .--`— • . ` 1 i c •\\ f J i t :leaver i l '� I 4 I Legend 1 i Jan Mat.2008 65 i ON;:ontji;. L..__ I it;A 65 1..(1N eoriunl! I r Cot ay Boundary i • —January ttw;-i, �'�r M+Ire D►�hi March. 2008 Cumi.t at ye Contour v 2 I PAGE 5 2008 CUMULATIVE NOISE REPORT • January 1 - March 31, 2008—Denver/Adams County IGA NEPS Values Area 2 Area 1 1Q08 1Q08 Grid IGA Annual Calculated- Difference Grid IGA Annual Calculated Difference i Points Leg(24) Leq(24) Leq Points Leq(24) Leg(24) Leg A,1 38.6 38.0 -0.6 C,4 44.2 35.9 -8.3 '- A,2 37.6 38.1 0.S C,5 36.7 34.0 •2.7 A,3 42.3 37.6 -4.7 C,6 36.0 33.4 -2.6: A,4 45.3 38.2 -7.1 D,4 41.1 35.1 -6.0 : . A,5 43.9 38.6 -S.3 D,5 34.2 34.4 0.2 A,6 37.5 37.3 -0.2 D,6 36.0 34.3 -1.7 A,7 37.7 36.4 -1.3 D,7 41.4 35.1 -6.3. - A,8 36.5 36.1 -0.4 E,4 38.3 34.5 -3.8 A,9 36.3 36.5 0.2 E,5 34.8 35.0 0.2 A,10 37.6 36.2 -1.4 E,6 36.7 34.0 -2.7 A,11 39.2 35.1 -4.2 E,7 41.4 34.1 -7.3 A,12 41.2 34.1 •7.1 F,2 51.7 39.3 -12.4 B,2 39.5 38.9 -0.6 F,3 43.7 35.8 -7.9 6,4 42.5 38.9 -3.6 F,5 37.3 33.2 -4.1 B,5 43.1 39.6 -3.6 F,6 38.5 33.2 -5.3 6,6 39.0 37.9 -1.1 F,7 42.1 33.5 -8.6 6,7 39.0 37.1 -1.9 G,2 51.2 39.8 -11.4 B,8 38.0 37.0 -1.1 G,3 42.1 35.1 -7.0 8,9 38.3 37.6 -0.7 G,4 40.2 32.8 -7.4 8,10 39.0 37.1 -1.9 H,2 50.1 40.1 -10.0 6,11 40.4 35.9 -4.6 H,3 46.0 35.0 -11.0 6,12 42.6 35.0 -7.6 H,4 46.1 33.7 -12.4 C,2 41.0 39.9 -1.2 C,3 43.3 38.9 -4.4 Area 3 C,4 43.5 39.5 -4.0 1Q08 C,5 43.4 40.5 -2.9 Grid IGA Annual Calculated Difference C,6 43.3 38.5 -4.8 Points Leg(24) Leq (24) Leq C,7 43.3 37.4 -5.9 A,-1 38.9 32.5 -6.4 C,8 42.6 37.9 -4.7 A,0 39.6 32.7 -6.9 C,9 42.2 38.7 -3.5 A,1 43.2 33.6 -9.7 C,10 41.6 37.7 -3.9 A,2 45.7 34.7 -11.0 C,11 42.5 36.2 -6.3 A,3 45.6 36.3 -9.3 C,12 44.3 35.2 -9.1 8,-1 37.9 32.4 -S.5 D,2 41.7 40.8 -0.9 6,0 39.2 32.5 -6.7 D,3 46.2 39.8 -6.4 6,1 42.6 33.1 -9.5 D,4 48.4 40.2 -8.3 6,2 45.8 34.2 -11.6 D,5 48.2 41.6 4.6 B,3 45.7 35.6 -10.1 0,6 46.2 39.1 -7.1 C,-1 36.7 33.0 -3.8 D,7 44.2 38.0 -6.2 C,0 37.1 32.9 -4.3 D,8 43.7 39.2 -4.5 C,1 39.5 33.2 -6.3 D,9 43.1 39.6 -3.5 C,2 44.8 34.0 -10.8 D,10 44.9 37.6 -7.3 C,3 46.5 35.4 -11.1 D,11 44.5 35.9 -8.6 D,-1 32.6 33.5 0.9 D,12 45.1 35.0 -10.1 D,0 33.3 33.1 -0.2 1,1 42.4 40.0 -2.5 D,1 37.3 33.2 -4.1 E,2 42.2 42.0 -0.2 D,2 43.0 33.5 -9.5 E,3 46.7 41.2 -5.5 E,-1 31.4 33.4 2.0 E,4 51.2 40.8 -10.4 E,0 33.1 32.7 -0.5 E,5 51.0 42.8 -8.2 E,1 36.2 32.1 -4.1 E,6 44.6 39.7 -4.9 E,2 40.6 32.3 -8.3 E,9 43.1 39.9 -3.2 F,1 36.5 31.8 -4.7 E,10 43.1 37.1 -6.1 F,2 39.4 31.8 -7.6 E,11 46.1 35.4 -10.7 G,1 42.5 32.3 -10.2 PAGE 6 2008 CUMULATIVE NOISE REPORT January 1 - March 31, 2008—DEN Complaint and Operational Statistics • 1O08 Noise Complaint Calls by Community* Total Calls for 1q08 by Community* No.of No.of No.of No.of Community* Calls Callers Calls Calls 1Q08 1Q08 1Q07 1Q06 Parker Thornton Watkins Arvada 0 0 0 2 Hudson 4% 1% 1% ° 2% Aurora Aurora 62 5 55 50 Vi 38% Bennett 1 1 0 0 Elizabeth Boulder 8 2 1 1 9% Brighton 12 1 7 0 / Bennett Commerce City 14 2 10 17 flenver J/ 1% Denver 40 2 3 5 25% / Boulder Commerce Qty Brighton 5% Elizabeth 14 4 14 13 9% 7% Fort Lupton 0 0 0 1 Hudson 1 1 0 0 Top Five Complainants Vs. All Others Lafayette 0 0 0 1 27% 724% , Lakewood 0 0 0 6 Lochbuie 0 0 0 4 Northglenn 0 0 0 2 Parker 7 3 11 3 Thornton 0 0 1 1 X24% Watkins 3 2 1 10 / Westminster 0 0 45 10 8% 10% Overall Total 162 23 148 126 *See map on next page for location of known noise complaints. Monthly Comparison: 1O08 Noise Complaint Calls- Daytime vs. Nighttime ,,, Z o `, m 3 > 9 0 0 n 1Q08 Time Complaint 'c is w -o a g c_ 5o m o m 2 January to March 2008 Received m w s = -< m - Q g_ 3a Total Total Day Hours 26 27 84 137 137 (7:00 am to 9:59 pm) Night Hours 5 0 20 25 25 (10:00 pm to 6:59 am) Total 31 27 104 162 162 Monthly Comparison: 2007 Total Operations vs. 2008 Total Operations 60000 -_.._ _. _.-- _____. - - _ --.- ----- 60000 54347 555000 9:00051247 494 X000 0 ' .� X000 X729 400 CO3 - -- -- 460'6 40000------l—_. --_._ _l. —__ —- i ---_—•-- -_. 1. __ ---- --- -r---__.. , i 40000 Jai Feb Ma Apr May Jim Jtf Aig SEP Cct Nov Dac --e-2007 A 2008 PAGE 7 2008 CUMULATIVE NOISE REPORT January 1 - March 31, 2008—DEN Complaint Location Map `/ • • . , ,...„..... (1) 1_ r a 0- I ' O • • 0 • • I i C.) i z i OO •O w m } W • I-- • j I s .I 0 i _ Q • • X • t • n. • 1 ! I-1). i iii; I:„.• ,.........___........_... . . _ . ..;--- I O i n �� f a. J47:,. a ,;1 V 7i. t• K: 4 ,. Z w • m s O tv T Cr F- II i ' � 1.r I Ix.-) • ,t O i PAGE 8 2008 CUMULATIVE NOISE REPORT January 1 - March 31, 2008 DEN RWY Utilization and Day/Night Statistics • I 1SR' LRF 161,, ;['F. 08 r R4 L `t J r: a 26 �_._ Ii-F Ann 0. F 5 17Rf 17L e e I 6 34L'\\. 34R'. .:E r lc r ( 1,"o. L 35L', 35R', 2007 vs. 2008 DEN Daytime Arrivals & Departures us 54000 ?� 49000 -;-• -- 49000 of w 44000 - �� - 44000 w 15 0 * 39000 I I i I i I I I I 39000 u Sao Leo �a� ?.9'‘ 4<z)\ �o° �J� P°° 5eQ •o°ti •-‘°4 De° -e-2007 a 2008 2007 vs 2008 DEN Nighttime Arrivals & Departures 4500 4500 rn 4000 - 4 - 4000 rn a 3500 a d - 3500 if Is 3000 i - 3000 c * 2500 I I I I I I I I I 2500 * Sao Fo° �a� PQc �a� °c •�J\ ‘,- .05as 0°� �o, Oo° t 2007 e 2008 J PAGE 9 2008 CUMULATIVE NOISE REPORT - • 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 E-mail:Noise.Offce@diadenver.net We're on the Web! vwvvv.flydenver.com 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. Hello