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HomeMy WebLinkAboutAppendix G_Noise ModelingCatavina Residential Development Draft Initial Study/Mitigated Negative Declaration September 2025 Appendix G Noise Modeling Catavina Residential Development Draft Initial Study/Mitigated Negative Declaration September 2025 This page intentionally left blank. Site Number: NM-1 Recorded By: Dennis Dinh, Oscar Escobar Job Number: 203638 Date: 1/30/2025 Time: 10:14 a.m. Location: Southwest corner of the Hollister Drive and Frank Sinatra Drive Source of Ambient Noise: Traffic along Frank Sinatra Drive Noise Data Leq (dB) Lmin (dB) Lmax (dB) 65.4 37.3 79.1 Equipment Category Type Vendor Model Serial No. Cert. Date Note Sound Sound Level Meter Brüel & Kjær 2250 3011133 06/04/2023 Microphone Brüel & Kjær 4189 3086765 06/04/2023 Preamp Brüel & Kjær ZC 0032 25380 06/04/2023 Calibrator Brüel & Kjær 4231 2545667 06/04/2023 Weather Data Est. Duration: 10 minutes Sky: Sunny Note: dBA Offset = 0.00 Sensor Height (ft): 5 ft Wind Ave Speed (mph / m/s) Temperature (degrees Fahrenheit) Barometer Pressure (inches) 4 67 29.96 Photo of Measurement Location Te5E$,0777E . TA g 5 tht.r®=mi ~8, I 3 ng-twc asSl © Or.frus38l0na8 4 O. 3Drsinanee sn:ajuhe “wsugand ; grmotSnin i Ssoudgm, ta dawns deuuse) 1 me Ser t‘% L ie1 Sa s, sle ae a “FamY -! freth— 1 ■ "oly. re - ----- -sauseveuz"* &G31tl EW =*i ) 2250 Instrument:2250 Application:BZ7225 Version 4.7.6 Start Time:01/30/2025 10:14:36 End Time:01/30/2025 10:24:36 Elapsed Time:00:10:00 Bandwidth:1/3-octave Max Input Level:142.15 Time Frequency Broadband (excl. Peak):FSI AC Broadband Peak:C Spectrum:FS Z Instrument Serial Number: 3011133 Microphone Serial Number: 3086765 Input:Top Socket Windscreen Correction:UA-1650 Sound Field Correction:Free-field Calibration Time: 01/30/2025 10:13:00 Calibration Type: External reference Sensitivity:43.4635318815708 mV/Pa CATA_001 Start End Elapsed Overload LAeq LAFmax LAFmin time time time [%][dB][dB][dB] Value 0.00 65.4 79.1 37.3 Time 10:14:36 AM 10:24:36 AM 0:10:00 Date 01/30/2025 01/30/2025 B K Cursor: (A) Leq=65.4 dB LFmax=79.1 dB LFmin=37.3 dB CATA_001 12.50 31.50 63 125 250 500 1000 2000 4000 8000 16000 A C 10 20 30 40 50 60 70 80 90 100 110 120 130 dB 01/30/2025 10:14:36 AM - 10:24:36 AM Hz LZeq LZFmax LZFmin Cursor: [78.2 ; 78.4[ dB Level: 0.0% Cumulative: 0.0% CATA_001 20 30 40 50 60 70 80 90 100 110 120 130 140 0 10 20 30 40 50 60 70 80 90 100 %Based on LAF , 10ms Class width: 0.2 dB 01/30/2025 10:14:36 AM - 10:24:36 AM dB L1 = 74.4 dB L5 = 71.6 dB L10 = 69.5 dB L50 = 60.8 dB L90 = 48.3 dB L95 = 44.4 dB L99 = 39.7 dB Level Cumulative B K T T T T T T T =-- - -f + + +- - Cursor: 01/30/2025 10:19:35 AM - 10:19:36 AM LAIeq=58.6 dB LAFmax=58.7 dB LCpeak=74.8 dB LAFmin=55.7 dB CATA_001 10:15:00 AM 10:17:00 AM 10:19:00 AM 10:21:00 AM 10:23:00 AM 20 40 60 80 100 120 140 dB LAIeq LAFmax LCpeak LAFmin CATA_001 Start Elapsed Overload LAIeq LAFmax LAFmin time time [%][dB][dB][dB] Value 0.00 58.6 58.7 55.7 Time 10:19:35 AM 0:00:01 Date 01/30/2025 B K I AWpANM - - - Cursor: (A) Leq=57.5 dB CATA_001 12.50 31.50 63 125 250 500 1000 2000 4000 8000 16000 A C 0 20 40 60 80 100 120 140 dB 01/30/2025 10:19:35 AM - 10:19:36 AM Hz LZeq Cursor: 01/30/2025 10:14:36 AM - 11:14:36 AM LAIeq=66.7 dB LAFmax=79.1 dB LCpeak=102.7 dB LAFmin=37.3 dB CATA_001 Periodic reports 10:20:00 AM 10:30:00 AM 10:40:00 AM 10:50:00 AM 11:00:00 AM 11:10:00 AM 20 40 60 80 100 120 140 dB LAIeq LAFmax LCpeak LAFmin B K + CATA_001 Periodic reports Start Elapsed Overload LAIeq LAFmax LAFmin time time [%][dB][dB][dB] Value 0.00 66.7 79.1 37.3 Time 10:14:36 AM 0:10:00 Date 01/30/2025 Cursor: (A) Leq=65.4 dB LFmax=79.1 dB LFmin=37.3 dB CATA_001 Periodic reports 12.50 31.50 63 125 250 500 1000 2000 4000 8000 16000 A C 0 20 40 60 80 100 120 140 dB 01/30/2025 10:14:36 AM - 10:24:36 AM Hz LZeq LZFmax LZFmin B K T T T T T T T T T T T T T Cursor: [78.2 ; 78.4[ dB Level: 0.0% Cumulative: 0.0% CATA_001 Periodic reports 20 30 40 50 60 70 80 90 100 110 120 130 140 0 10 20 30 40 50 60 70 80 90 100 %Based on LAF , 10ms Class width: 0.2 dB 01/30/2025 10:14:36 AM - 10:24:36 AM dB L1 = 74.4 dB L5 = 71.6 dB L10 = 69.5 dB L50 = 60.8 dB L90 = 48.3 dB L95 = 44.4 dB L99 = 39.7 dB Level Cumulative B K -- -f 4=+ + +-+ Si t e N u m b e r : NM -2 Re c o r d e d B y : De n n i s D i n h , Os c a r E s c o b a r Jo b N u m b e r : 20 36 3 8 Da t e : 1/3 0 /2 0 2 5 Ti m e : 10 : 56 a.m . Lo c a t i o n : In f r o n t o f 3 9 0 1 1 C u d y C i r So u r c e o f Am b i e n t No i s e : Wi n d b l o w i n g a n d v e h i c l e s a l o n g D e s e r t G r e e n s D r i v e No i s e D a t a Leq (d B ) Lmi n (d B ) Lma x (d B ) 46 . 1 33 . 9 68 . 6 Eq u i p m e n t Ca t e g o r y Ty p e Ve n d o r Mo d e l Se r i a l N o . Ce r t . D a t e No t e So u n d So u n d L e v e l M e t e r Br ü e l & K j æ r 22 5 0 30 1 1 1 3 3 06 /04 /20 2 3 Mi c r o p h o n e Br ü e l & K j æ r 41 8 9 30 8 6 7 6 5 06 / 0 4 / 2 0 2 3 Pr e a m p Br ü e l & K j æ r ZC 0 0 3 2 25 3 8 0 06 / 0 4 / 2 0 2 3 Ca l i b r a t o r Br ü e l & K j æ r 42 3 1 25 4 5 6 6 7 06 / 0 4 / 2 0 2 3 We a t h e r D a t a Es t . Du r a t i o n : 10 mi n u t e s Sk y : Su n n y No t e : dB A O f f s e t = 0. 0 0 Se n s o r H e i g h t ( f t ) : 5 f t Wi n d A v e S p e e d ( m p h / m / s ) Te m p e r a t u r e ( d e g r e e s F a h r e n h e i t ) Ba r o m e t e r P r e s s u r e ( in c h e s ) 4 67 29 . 9 6 Ph o t o o f M e a s u r e m e n t L o c a t i o n \ 1 3 7 ng ‘ y h L sh e .3 “s IE I W d y ■ "" " I th e e u r m m m c h e do s e t t t me e e g o r e m u s n n - y e S3 k Ma I # F l 31 20 A n ■ ‘ 4 A . = = = = = = = - - 39 0 7 7 ‘s ii r . - Je u "l s - 2250 Instrument:2250 Application:BZ7225 Version 4.7.6 Start Time:01/30/2025 10:56:56 End Time:01/30/2025 11:07:02 Elapsed Time:00:10:00 Bandwidth:1/3-octave Max Input Level:142.15 Time Frequency Broadband (excl. Peak):FSI AC Broadband Peak:C Spectrum:FS Z Instrument Serial Number: 3011133 Microphone Serial Number: 3086765 Input:Top Socket Windscreen Correction:UA-1650 Sound Field Correction:Free-field Calibration Time: 01/30/2025 10:13:00 Calibration Type: External reference Sensitivity:43.4635318815708 mV/Pa CATA_003 Start End Elapsed Overload LAeq LAFmax LAFmin time time time [%][dB][dB][dB] Value 0.00 46.1 68.6 33.9 Time 10:56:56 AM 11:07:02 AM 0:10:00 Date 01/30/2025 01/30/2025 B K Cursor: (A) Leq=46.1 dB LFmax=68.6 dB LFmin=33.9 dB CATA_003 12.50 31.50 63 125 250 500 1000 2000 4000 8000 16000 A C 10 20 30 40 50 60 70 80 90 100 110 120 130 dB 01/30/2025 10:56:56 AM - 11:07:02 AM Hz LZeq LZFmax LZFmin Cursor: [78.2 ; 78.4[ dB Level: 0.0% Cumulative: 0.0% CATA_003 20 30 40 50 60 70 80 90 100 110 120 130 140 0 10 20 30 40 50 60 70 80 90 100 %Based on LAF , 10ms Class width: 0.2 dB 01/30/2025 10:56:56 AM - 11:07:02 AM dB L1 = 55.7 dB L5 = 50.1 dB L10 = 48.0 dB L50 = 41.9 dB L90 = 38.1 dB L95 = 36.8 dB L99 = 34.7 dB Level Cumulative B K T T T T T T - - -+ + +- - Cursor: 01/30/2025 11:01:56 AM - 11:01:57 AM LAIeq=51.2 dB LAFmax=51.5 dB LCpeak=68.5 dB LAFmin=45.0 dB CATA_003 10:58:00 AM 11:00:00 AM 11:02:00 AM 11:04:00 AM 11:06:00 AM 20 40 60 80 100 120 140 dB LAIeq LAFmax LCpeak LAFmin CATA_003 Start Elapsed Overload LAIeq LAFmax LAFmin time time [%][dB][dB][dB] Value 0.00 51.2 51.5 45.0 Time 11:01:56 AM 0:00:01 Date 01/30/2025 B K I - - Cursor: (A) Leq=48.9 dB CATA_003 12.50 31.50 63 125 250 500 1000 2000 4000 8000 16000 A C 0 20 40 60 80 100 120 140 dB 01/30/2025 11:01:56 AM - 11:01:57 AM Hz LZeq Cursor: 01/30/2025 10:56:56 AM - 11:00:00 AM LAIeq=56.2 dB LAFmax=68.6 dB LCpeak=80.9 dB LAFmin=33.9 dB CATA_003 Periodic reports 11:00:00 AM 11:10:00 AM 11:20:00 AM 11:30:00 AM 11:40:00 AM 11:50:00 AM 12:00:00 PM 20 40 60 80 100 120 140 dB LAIeq LAFmax LCpeak LAFmin B K 1 l + + + +- CATA_003 Periodic reports Start Elapsed Overload LAIeq LAFmax LAFmin time time [%][dB][dB][dB] Value 0.00 56.2 68.6 33.9 Time 10:56:56 AM 0:03:04 Date 01/30/2025 Cursor: (A) Leq=47.8 dB LFmax=68.6 dB LFmin=33.9 dB CATA_003 Periodic reports 12.50 31.50 63 125 250 500 1000 2000 4000 8000 16000 A C 0 20 40 60 80 100 120 140 dB 01/30/2025 10:56:56 AM - 11:00:00 AM Hz LZeq LZFmax LZFmin B K T T T T T T T T T T T T T Cursor: [78.2 ; 78.4[ dB Level: 0.0% Cumulative: 0.0% CATA_003 Periodic reports 20 30 40 50 60 70 80 90 100 110 120 130 140 0 10 20 30 40 50 60 70 80 90 100 %Based on LAF , 10ms Class width: 0.2 dB 01/30/2025 10:56:56 AM - 11:00:00 AM dB L1 = 60.9 dB L5 = 50.6 dB L10 = 46.9 dB L50 = 41.8 dB L90 = 36.3 dB L95 = 35.1 dB L99 = 34.4 dB Level Cumulative B K - - -T + + +-+ Site Number: NM-3 Recorded By: Dennis Dinh, Oscar Escobar Job Number: 203638 Date: 1/30/2025 Time: 10:39 a.m. Location: In front of 38020 Cabin Cir Source of Ambient Noise: Wind blowing and vehicle passing along Desert Green Drive Noise Data Leq (dB) Lmin (dB) Lmax(dB) 47.2 36.9 60.9 Equipment Category Type Vendor Model Serial No. Cert. Date Note Sound Sound Level Meter Brüel & Kjær 2250 3011133 06/04/2023 Microphone Brüel & Kjær 4189 3086765 06/04/2023 Preamp Brüel & Kjær ZC 0032 25380 06/04/2023 Calibrator Brüel & Kjær 4231 2545667 06/04/2023 Weather Data Est. Duration: 10 minutes Sky: Sunny Note: dBA Offset = 0.00 Sensor Height (ft): 5 ft Wind Ave Speed (mph / m/s) Temperature (degrees Fahrenheit) Barometer Pressure (inches) 4 67 29.96 Photo of Measurement Location eegm AEO s s*!tet al at rdy222 C. 2“IEM r. 5)Y74 ?w.wr.1 ! M t _ I /j s1AxAss.is...Kl071nglYT(r522 ERANK SINATRA DR J O. ow Ttea'dS mee. 2.7 DBi di "anllg E. i argise oon’ . •ld •. efd-eges XttC "Me se o ia y — aga ‘simu 6if stes= iie 44- o.9at d’l- ,, T* 4 e 5 2250 Instrument:2250 Application:BZ7225 Version 4.7.6 Start Time:01/30/2025 10:39:15 End Time:01/30/2025 10:49:15 Elapsed Time:00:10:00 Bandwidth:1/3-octave Max Input Level:142.15 Time Frequency Broadband (excl. Peak):FSI AC Broadband Peak:C Spectrum:FS Z Instrument Serial Number: 3011133 Microphone Serial Number: 3086765 Input:Top Socket Windscreen Correction:UA-1650 Sound Field Correction:Free-field Calibration Time: 01/30/2025 10:13:00 Calibration Type: External reference Sensitivity:43.4635318815708 mV/Pa CATA_002 Start End Elapsed Overload LAeq LAFmax LAFmin time time time [%][dB][dB][dB] Value 0.00 47.2 60.9 36.9 Time 10:39:15 AM 10:49:15 AM 0:10:00 Date 01/30/2025 01/30/2025 B K Cursor: (A) Leq=47.2 dB LFmax=60.9 dB LFmin=36.9 dB CATA_002 12.50 31.50 63 125 250 500 1000 2000 4000 8000 16000 A C 10 20 30 40 50 60 70 80 90 100 110 120 130 dB 01/30/2025 10:39:15 AM - 10:49:15 AM Hz LZeq LZFmax LZFmin Cursor: [78.2 ; 78.4[ dB Level: 0.0% Cumulative: 0.0% CATA_002 20 30 40 50 60 70 80 90 100 110 120 130 140 0 10 20 30 40 50 60 70 80 90 100 %Based on LAF , 10ms Class width: 0.2 dB 01/30/2025 10:39:15 AM - 10:49:15 AM dB L1 = 55.3 dB L5 = 51.2 dB L10 = 49.8 dB L50 = 45.6 dB L90 = 42.5 dB L95 = 42.0 dB L99 = 40.8 dB Level Cumulative B K T T T T T T T - ---+ + +- - Cursor: 01/30/2025 10:44:14 AM - 10:44:15 AM LAIeq=49.7 dB LAFmax=48.9 dB LCpeak=76.2 dB LAFmin=43.4 dB CATA_002 10:40:00 AM 10:42:00 AM 10:44:00 AM 10:46:00 AM 10:48:00 AM 20 40 60 80 100 120 140 dB LAIeq LAFmax LCpeak LAFmin CATA_002 Start Elapsed Overload LAIeq LAFmax LAFmin time time [%][dB][dB][dB] Value 0.00 49.7 48.9 43.4 Time 10:44:14 AM 0:00:01 Date 01/30/2025 B K I AAMW-MOMoWLMoopo - - - - Cursor: (A) Leq=47.0 dB CATA_002 12.50 31.50 63 125 250 500 1000 2000 4000 8000 16000 A C 0 20 40 60 80 100 120 140 dB 01/30/2025 10:44:14 AM - 10:44:15 AM Hz LZeq Cursor: 01/30/2025 10:39:15 AM - 11:39:15 AM LAIeq=50.7 dB LAFmax=60.9 dB LCpeak=84.1 dB LAFmin=36.9 dB CATA_002 Periodic reports 10:40:00 AM 10:50:00 AM 11:00:00 AM 11:10:00 AM 11:20:00 AM 11:30:00 AM 20 40 60 80 100 120 140 dB LAIeq LAFmax LCpeak LAFmin B K + + + CATA_002 Periodic reports Start Elapsed Overload LAIeq LAFmax LAFmin time time [%][dB][dB][dB] Value 0.00 50.7 60.9 36.9 Time 10:39:15 AM 0:10:00 Date 01/30/2025 Cursor: (A) Leq=47.2 dB LFmax=60.9 dB LFmin=36.9 dB CATA_002 Periodic reports 12.50 31.50 63 125 250 500 1000 2000 4000 8000 16000 A C 0 20 40 60 80 100 120 140 dB 01/30/2025 10:39:15 AM - 10:49:15 AM Hz LZeq LZFmax LZFmin B K T T T T T T T T T T T T T Cursor: [78.2 ; 78.4[ dB Level: 0.0% Cumulative: 0.0% CATA_002 Periodic reports 20 30 40 50 60 70 80 90 100 110 120 130 140 0 10 20 30 40 50 60 70 80 90 100 %Based on LAF , 10ms Class width: 0.2 dB 01/30/2025 10:39:15 AM - 10:49:15 AM dB L1 = 55.3 dB L5 = 51.2 dB L10 = 49.8 dB L50 = 45.6 dB L90 = 42.5 dB L95 = 42.0 dB L99 = 40.8 dB Level Cumulative B K - ---+ + +-+ Roadway Construction Noise Model (RCNM),Version 1.1 Report date: 01/23/2025 Case Description: Catavina_Demolition **** Receptor #1 **** Baselines (dBA) Description Land Use Daytime Evening Night ----------- -------- ------- ------- ----- Residential Residential 60.0 60.0 60.0 Equipment --------- Spec Actual Receptor Estimated Impact Usage Lmax Lmax Distance Shielding Description Device (%) (dBA) (dBA) (feet) (dBA) ----------- ------ ----- ----- ----- -------- --------- Concrete Saw No 20 89.6 650.0 0.0 Excavator No 40 80.7 650.0 0.0 Excavator No 40 80.7 650.0 0.0 Excavator No 40 80.7 650.0 0.0 Dozer No 40 81.7 650.0 0.0 Dozer No 40 81.7 650.0 0.0 Results ------- Noise Limits (dBA) Noise Limit Exceedance (dBA) ---------------------------------------------- ---------------------------------------------- Calculated (dBA) Day Evening Night Day Evening Night ---------------- -------------- ------------- -------------- -------------- -------------- -------------- Equipment Lmax Leq Lmax Leq Lmax Leq Lmax Leq Lmax Leq Lmax Leq Lmax Leq ---------------------- ------ ------ ------ ------ ------ ------ ------ ------ ------ ------ ------ ------ ------ ------ Concrete Saw 67.3 60.3 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A Excavator 58.4 54.5 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A Excavator 58.4 54.5 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A Excavator 58.4 54.5 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A Dozer 59.4 55.4 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A Dozer 59.4 55.4 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A Total 67.3 64.2 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A Roadway Construction Noise Model (RCNM),Version 1.1 Report date: 01/23/2025 Case Description: Catavina_Grading **** Receptor #1 **** Baselines (dBA) Description Land Use Daytime Evening Night ----------- -------- ------- ------- ----- Residential Residential 60.0 60.0 60.0 Equipment --------- Spec Actual Receptor Estimated Impact Usage Lmax Lmax Distance Shielding Description Device (%) (dBA) (dBA) (feet) (dBA) ----------- ------ ----- ----- ----- -------- --------- Excavator No 40 80.7 650.0 0.0 Excavator No 40 80.7 650.0 0.0 Grader No 40 85.0 650.0 0.0 Dozer No 40 81.7 650.0 0.0 Scraper No 40 83.6 650.0 0.0 Scraper No 40 83.6 650.0 0.0 Backhoe No 40 77.6 650.0 0.0 Backhoe No 40 77.6 650.0 0.0 Results ------- Noise Limits (dBA) Noise Limit Exceedance (dBA) ---------------------------------------------- ---------------------------------------------- Calculated (dBA) Day Evening Night Day Evening Night ---------------- -------------- ------------- -------------- -------------- -------------- -------------- Equipment Lmax Leq Lmax Leq Lmax Leq Lmax Leq Lmax Leq Lmax Leq Lmax Leq ---------------------- ------ ------ ------ ------ ------ ------ ------ ------ ------ ------ ------ ------ ------ ------ Excavator 58.4 54.5 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A Excavator 58.4 54.5 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A Grader 62.7 58.7 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A Dozer 59.4 55.4 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A Scraper 61.3 57.3 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A Scraper 61.3 57.3 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A Backhoe 55.3 51.3 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A Backhoe 55.3 51.3 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A Total 62.7 64.8 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A Roadway Construction Noise Model (RCNM),Version 1.1 Report date: 01/23/2025 Case Description: Catavina_Building Construction **** Receptor #1 **** Baselines (dBA) Description Land Use Daytime Evening Night ----------- -------- ------- ------- ----- Residential Residential 60.0 60.0 60.0 Equipment --------- Spec Actual Receptor Estimated Impact Usage Lmax Lmax Distance Shielding Description Device (%) (dBA) (dBA) (feet) (dBA) ----------- ------ ----- ----- ----- -------- --------- Crane No 16 80.6 650.0 0.0 Man Lift No 20 74.7 650.0 0.0 Man Lift No 20 74.7 650.0 0.0 Man Lift No 20 74.7 650.0 0.0 Generator No 50 80.6 650.0 0.0 Backhoe No 40 77.6 650.0 0.0 Backhoe No 40 77.6 650.0 0.0 Backhoe No 40 77.6 650.0 0.0 Welder / Torch No 40 74.0 650.0 0.0 Results ------- Noise Limits (dBA) Noise Limit Exceedance (dBA) ---------------------------------------------- ---------------------------------------------- Calculated (dBA) Day Evening Night Day Evening Night ---------------- -------------- ------------- -------------- -------------- -------------- -------------- Equipment Lmax Leq Lmax Leq Lmax Leq Lmax Leq Lmax Leq Lmax Leq Lmax Leq ---------------------- ------ ------ ------ ------ ------ ------ ------ ------ ------ ------ ------ ------ ------ ------ Crane 58.3 50.3 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A Man Lift 52.4 45.4 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A Man Lift 52.4 45.4 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A Man Lift 52.4 45.4 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A Generator 58.4 55.3 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A Backhoe 55.3 51.3 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A Backhoe 55.3 51.3 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A Backhoe 55.3 51.3 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A Welder / Torch 51.7 47.7 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A Total 58.4 60.1 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A Roadway Construction Noise Model (RCNM),Version 1.1 Report date: 01/23/2025 Case Description: Catavina_Paving **** Receptor #1 **** Baselines (dBA) Description Land Use Daytime Evening Night ----------- -------- ------- ------- ----- Residential Residential 60.0 60.0 60.0 Equipment --------- Spec Actual Receptor Estimated Impact Usage Lmax Lmax Distance Shielding Description Device (%) (dBA) (dBA) (feet) (dBA) ----------- ------ ----- ----- ----- -------- --------- Paver No 50 77.2 650.0 0.0 Paver No 50 77.2 650.0 0.0 Paver No 50 77.2 650.0 0.0 Paver No 50 77.2 650.0 0.0 Roller No 20 80.0 650.0 0.0 Roller No 20 80.0 650.0 0.0 Results ------- Noise Limits (dBA) Noise Limit Exceedance (dBA) ---------------------------------------------- ---------------------------------------------- Calculated (dBA) Day Evening Night Day Evening Night ---------------- -------------- ------------- -------------- -------------- -------------- -------------- Equipment Lmax Leq Lmax Leq Lmax Leq Lmax Leq Lmax Leq Lmax Leq Lmax Leq ---------------------- ------ ------ ------ ------ ------ ------ ------ ------ ------ ------ ------ ------ ------ ------ Paver 54.9 51.9 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A Paver 54.9 51.9 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A Paver 54.9 51.9 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A Paver 54.9 51.9 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A Roller 57.7 50.7 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A Roller 57.7 50.7 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A Total 57.7 59.3 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A Roadway Construction Noise Model (RCNM),Version 1.1 Report date: 01/23/2025 Case Description: Catavina_Architectural Coating **** Receptor #1 **** Baselines (dBA) Description Land Use Daytime Evening Night ----------- -------- ------- ------- ----- Residential Residential 60.0 60.0 60.0 Equipment --------- Spec Actual Receptor Estimated Impact Usage Lmax Lmax Distance Shielding Description Device (%) (dBA) (dBA) (feet) (dBA) ----------- ------ ----- ----- ----- -------- --------- Compressor (air) No 40 77.7 650.0 0.0 Results ------- Noise Limits (dBA) Noise Limit Exceedance (dBA) ---------------------------------------------- ---------------------------------------------- Calculated (dBA) Day Evening Night Day Evening Night ---------------- -------------- ------------- -------------- -------------- -------------- -------------- Equipment Lmax Leq Lmax Leq Lmax Leq Lmax Leq Lmax Leq Lmax Leq Lmax Leq ---------------------- ------ ------ ------ ------ ------ ------ ------ ------ ------ ------ ------ ------ ------ ------ Compressor (air) 55.4 51.4 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A Total 55.4 51.4 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A