SR 520 Montlake Project Weekly Report Summary For Monday .

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SR 520 Montlake ProjectNoise Monitoring Weekly Report Summary forMonday, December 28, 2020toSunday, January 3, 2021PUBLISHED JANUARY 06, 2021Monitoring times: Weekdays, 10 p.m. to 7 a.m.; weekends, 10 p.m. to 9 a.m.How to use this report: This d cument summarizes the weekly nighttime n ise data f r the SR 520 M ntlake Pr ject. In it, y u’ll find: Page 1 ‐ Summary f n ise levels rec rded ab ve the limits all wed under the Maj r Public Pr jectC nstructi n N ise Variance, f r this week and thr ugh ut the pr ject. This includes n n ‐pr ject‐related n ise exceedances Page 2 ‐ Map f the pr ject limits and l cati ns f the seven stati nary m nit r l cati ns Pages 3 – 9 ‐ Night‐by‐night n ise rec rdings f r each f the pr ject n ise m nit rs, al ng with a descripti n f the w rk thatnight, c mments received fr m the public regarding Pr ject n ise, and explanati ns f r any n ise limit exceedances and acti nstaken in resp nse Page 10 ‐ L g f public c mments regarding nighttime n ise issues and res luti ns f r the weekWSDOT is sharing this information as per the terms of the Major Public Project Construction Noise Variance (Permit #3030792).MPPCNV start date:MPPCNV days to date:Friday, August 16, 2019507WEEKLY TOTALSNights worked this week (under the MPPCNV)Project related non-compliance this weekNighttime noise issue comments to the projectNon-project-related noise exceedances this week00038PROJECT TOTALS TO DATETotal Nights Worked (under the MPPCNV)Total Project related non-complianceTotal noise issue comments to the projectTotal non-project related exceedancesM ntlake Pr ject MPPCNV Weekly Rep rt1 348501998Page 1 f 10

EXHIBIT 5. CONSTRUCTION AREA AND NOISE MEASUREMENT LOCATIONSM ntlake Pr ject MPPCNV Weekly Rep rtNoise Monitoring Locations: the map bel w sh ws thew rk limits f the SR 520 M ntlake Pr ject and thel cati ns f the seven stati nary n ise m nit ring sitesPage 2 f 10

SR 520 Montlake ProjectMajor Public Project Construction Noise VarianceNOISE MONITORING - WEEKLY REPORTMonday, December 28, 2020toSunday, January 3, 202110 pm to 7 am (weekdays) / 9am (weekends)The table bel w includes data gathered fr m n ise m nit ring equipment l cated at seven stati nary and three p rtable l cati ns thr ugh ut the M ntlake Pr ject areaMonday, December 28, 2020SiteSite limit*10pm - 11pmSite 1 -2449 E. Lk WA Blvd753.4Site 2 - 2015 E. Roanoke St7857.8Site 3A - 3810 E. McGilvra St24 .9Site 4 - 2800 Montlake Blvd E4.1Site 5 - 25 5 22nd Av E.555.Site - 21 0 E. Hamlin St350.0Site 7 - 2209 E. Lake Wa Blvd52.2Site 8 - Portable Between Sites 4 and351.1Site 9 - Portable Between Sites 1 and 758.3Site 10 - Portable Between Sites 1 and 759.9*Hourly-Average Leq (dBA)11pm - 12am51.95 .14 .12.054.050.50.551.05 .757.912am - 1am49.852.844.59.51.049.447.948.953.95 .31am - 2am47.451.240.258.549.44 .45.747.051.053.42am - 3am47.551.940.558.849.747.745.347.550.052.33am - 4am48.352.542.058.850.548.34 .449.150.752.4am - 5am50.255.343.93.052.948.948.950.353.555.5am - am54.958.847.87.95 .453.553.54.32.12.2am - 7am58.80.749.971.58.755.857.255.55.7.37am - 8amN/AN/AN/AN/AN/AN/AN/AN/AN/AN/A8am - 9amN/AN/AN/AN/AN/AN/AN/AN/AN/AN/ANotes recorded by the on-site Independent Noise MonitorWork:N nighttime c nstructi n w rk perf rmed.Public Comments:N public c mments received related t nighttime n ise.Exceedances:Site(s) 4 and 10 are n t pr ject related. Exceedances are caused by public traffic driving by the n ise m nit rs.Non-Compliance:N ne.LegendLeq Leq means the equivalent s und level, which is the c nstant s und level in a given time peri d.N/A Time Peri d n t applicable t MPPCNVRed N ise Level Exceedance, pr ject relatedBlue N ise level exceedance, n t pr ject related N Data Available# N c ntract w rk . P rtable m nit rs are n t being used (n t needed).M ntlake Pr ject MPPCNV Weekly Rep rtPage 3 f 10

SR 520 Montlake ProjectMajor Public Project Construction Noise VarianceNOISE MONITORING - WEEKLY REPORTMonday, December 28, 2020toSunday, January 3, 202110 pm to 7 am (weekdays) / 9am (weekends)The table bel w includes data gathered fr m n ise m nit ring equipment l cated at seven stati nary and three p rtable l cati ns thr ugh ut the M ntlake Pr ject areaTuesday, December 29, 2020SiteSite limit*10pm - 11pmSite 1 -2449 E. Lk WA Blvd754.4Site 2 - 2015 E. Roanoke St780.5Site 3A - 3810 E. McGilvra St249.0Site 4 - 2800 Montlake Blvd E.0Site 5 - 25 5 22nd Av E.558.7Site - 21 0 E. Hamlin St353.0Site 7 - 2209 E. Lake Wa Blvd54.3Site 8 - Portable Between Sites 4 and355.2Site 9 - Portable Between Sites 1 and 70.0Site 10 - Portable Between Sites 1 and 70.5*Hourly-Average Leq (dBA)11pm - 12am53.70.050.370.58.552.354.55 .159.59.512am - 1am50.85 .84 .22.055.150.950.851.35 .555.71am - 2am49.957.151.11.5 .149.549.549.54.054.42am - 3am50.45 .48.50.755.051.049.51.853.553.43am - 4am50.5 .451.40.755.549.949.750.354.154.44am - 5am53.58.952.7.258.053.153.054.157.257.75am - am5 .91.854.170.90.355.55 .55 .2.93.4am - 7am0.53.955.272.22.457.0.058.97.98.07am - 8amN/AN/AN/AN/AN/AN/AN/AN/AN/AN/A8am - 9amN/AN/AN/AN/AN/AN/AN/AN/AN/AN/ANotes recorded by the on-site Independent Noise MonitorWork:N nighttime c nstructi n w rk perf rmed.Public Comments:N public c mments received related t nighttime n ise.Exceedances:Site(s) 4, 9 and 10 are n t pr ject related. Exceedances are caused by public traffic driving by the n ise m nit rs.Non-Compliance:N ne.LegendLeq Leq means the equivalent s und level, which is the c nstant s und level in a given time peri d.N/A Time Peri d n t applicable t MPPCNVRed N ise Level Exceedance, pr ject relatedBlue N ise level exceedance, n t pr ject related N Data Available# N c ntract w rk . P rtable m nit rs are n t being used (n t needed).M ntlake Pr ject MPPCNV Weekly Rep rtPage 4 f 10

SR 520 Montlake ProjectMajor Public Project Construction Noise VarianceNOISE MONITORING - WEEKLY REPORTMonday, December 28, 2020toSunday, January 3, 202110 pm to 7 am (weekdays) / 9am (weekends)The table bel w includes data gathered fr m n ise m nit ring equipment l cated at seven stati nary and three p rtable l cati ns thr ugh ut the M ntlake Pr ject areaWednesday, December 30, 2020SiteSite limit*10pm - 11pmSite 1 -2449 E. Lk WA Blvd75 .5Site 2 - 2015 E. Roanoke St780.2Site 3A - 3810 E. McGilvra St253.5Site 4 - 2800 Montlake Blvd E7.5Site 5 - 25 5 22nd Av E.559.2Site - 21 0 E. Hamlin St358.0Site 7 - 2209 E. Lake Wa Blvd5 .5Site 8 - Portable Between Sites 4 and358.1Site 9 - Portable Between Sites 1 and 71.8Site 10 - Portable Between Sites 1 and 71.8*Hourly-Average Leq (dBA)11pm - 12am53.58.052.25.357.455.453.55.559.459.812am - 1am51.555.452.22.554.952.951.52.35 .85 .91am - 2am50.5 .351.11.755.451.750.52.055.55.32am - 3am49.553.50.1.252.51.448.951.854.153.13am - 4am49.257.252.59.45 .851.550.553.053.052.14am - 5am52.05 .352.04.455.153.951.254.955.55.5am - am54.559.952.58.57.755.854.55.1.91.4am - 7am58.83.152.70.01.35 .858.557.2.0.57am - 8amN/AN/AN/AN/AN/AN/AN/AN/AN/AN/A8am - 9amN/AN/AN/AN/AN/AN/AN/AN/AN/AN/ANotes recorded by the on-site Independent Noise MonitorWork:N nighttime c nstructi n w rk perf rmed.Public Comments:N public c mments received related t nighttime n ise.Exceedances:Site(s) 4, 9 and 10 are n t pr ject related. Exceedances are caused by public traffic driving by the n ise m nit rs.Non-Compliance:N ne.LegendLeq Leq means the equivalent s und level, which is the c nstant s und level in a given time peri d.N/A Time Peri d n t applicable t MPPCNVRed N ise Level Exceedance, pr ject relatedBlue N ise level exceedance, n t pr ject related N Data Available# N c ntract w rk . P rtable m nit rs are n t being used (n t needed).M ntlake Pr ject MPPCNV Weekly Rep rtPage 5 f 10

SR 520 Montlake ProjectMajor Public Project Construction Noise VarianceNOISE MONITORING - WEEKLY REPORTMonday, December 28, 2020toSunday, January 3, 202110 pm to 7 am (weekdays) / 9am (weekends)The table bel w includes data gathered fr m n ise m nit ring equipment l cated at seven stati nary and three p rtable l cati ns thr ugh ut the M ntlake Pr ject areaThursday, December 31, 2020SiteSite limit*10pm - 11pmSite 1 -2449 E. Lk WA Blvd757.0Site 2 - 2015 E. Roanoke St7859.5Site 3A - 3810 E. McGilvra St248.5Site 4 - 2800 Montlake Blvd E5.9Site 5 - 25 5 22nd Av E.557.7Site - 21 0 E. Hamlin St35 .0Site 7 - 2209 E. Lake Wa Blvd5 .5Site 8 - Portable Between Sites 4 and35 .9Site 9 - Portable Between Sites 1 and 772.5Site 10 - Portable Between Sites 1 and 7.4*Hourly-Average Leq (dBA)11pm - 12am54.358.447.55.25 .55.953.955.959.51.112am - 1am54.758.449.0.45 .55 .455.35 .40.21.01am - 2am55.9.445.770.25.058.358.35 .80.40.52am - 3am0.54.743.457.54.552.72.252.58.28.3am - 4am49.53.842.854.252.749.549.849.955.95 .94am - 5am49.253.44.155.852.451.048.851.452.853.55am - am49.155.043.42.753.349.49.550.854.54.8am - 7am51.757.45.9.855.551.151.852.557.758.17am - 8amN/AN/AN/AN/AN/AN/AN/AN/AN/AN/A8am - 9amN/AN/AN/AN/AN/AN/AN/AN/AN/AN/ANotes recorded by the on-site Independent Noise MonitorWork:N nighttime c nstructi n w rk perf rmed.Public Comments:N public c mments received related t nighttime n ise.Exceedances:Site(s) 4, 5, 9 and 10 are n t pr ject related. Exceedances are caused by public traffic driving by the n ise m nit rs.Non-Compliance:N ne.LegendLeq Leq means the equivalent s und level, which is the c nstant s und level in a given time peri d.N/A Time Peri d n t applicable t MPPCNVRed N ise Level Exceedance, pr ject relatedBlue N ise level exceedance, n t pr ject related N Data Available# N c ntract w rk . P rtable m nit rs are n t being used (n t needed).M ntlake Pr ject MPPCNV Weekly Rep rtPage 6 f 10

SR 520 Montlake ProjectMajor Public Project Construction Noise VarianceNOISE MONITORING - WEEKLY REPORTMonday, December 28, 2020toSunday, January 3, 202110 pm to 7 am (weekdays) / 9am (weekends)The table bel w includes data gathered fr m n ise m nit ring equipment l cated at seven stati nary and three p rtable l cati ns thr ugh ut the M ntlake Pr ject areaFriday, January 1, 2021SiteSite limit*10pm - 11pmSite 1 -2449 E. Lk WA Blvd753.9Site 2 - 2015 E. Roanoke St7857.9Site 3A - 3810 E. McGilvra St249.7Site 4 - 2800 Montlake Blvd E4.8Site 5 - 25 5 22nd Av E.55 .8Site - 21 0 E. Hamlin St355.5Site 7 - 2209 E. Lake Wa Blvd53.4Site 8 - Portable Between Sites 4 and35 .3Site 9 - Portable Between Sites 1 and 759.1Site 10 - Portable Between Sites 1 and 759.8*Hourly-Average Leq (dBA)11pm - 12am51.55 .347.52.454.953.251.753.157.257.712am - 1am50.254.149.10.52.752.151.151.355.95 .11am - 2am50.052.348.458.351.350.548.451.454.253.92am - 3am45.749.94 .757.248.447.845.347.250.550.53am - 4am47.50.449.557.549.448.445.749.351.549.14am - 5am49.052.548.358.51.51.048.551.152.451.85am - am52.35 .048.84.355.151.952.552.958.458.7am - 7am53.958.851.8.157.754.954.155.10.10.27am - 8am5 .159.753.47.58.85 .955.757.51.41.48am - 9am5 .80.351.78.059.058.05 .957.83.53.9Notes recorded by the on-site Independent Noise MonitorWork:N nighttime c nstructi n w rk perf rmed.Public Comments:N public c mments received related t nighttime n ise.Exceedances:Site(s) 4 are n t pr ject related. Exceedances are caused by public traffic driving by the n ise m nit rs.Non-Compliance:N ne.LegendLeq Leq means the equivalent s und level, which is the c nstant s und level in a given time peri d.N/A Time Peri d n t applicable t MPPCNVRed N ise Level Exceedance, pr ject relatedBlue N ise level exceedance, n t pr ject related N Data Available# N c ntract w rk . P rtable m nit rs are n t being used (n t needed).M ntlake Pr ject MPPCNV Weekly Rep rtPage 7 f 10

SR 520 Montlake ProjectMajor Public Project Construction Noise VarianceNOISE MONITORING - WEEKLY REPORTMonday, December 28, 2020toSunday, January 3, 202110 pm to 7 am (weekdays) / 9am (weekends)The table bel w includes data gathered fr m n ise m nit ring equipment l cated at seven stati nary and three p rtable l cati ns thr ugh ut the M ntlake Pr ject areaSaturday, January 2, 2021SiteSite limit*10pm - 11pmSite 1 -2449 E. Lk WA Blvd758.9Site 2 - 2015 E. Roanoke St784.7Site 3A - 3810 E. McGilvra St20.2Site 4 - 2800 Montlake Blvd E8.3Site 5 - 25 5 22nd Av E.52.7Site - 21 0 E. Hamlin St355.7Site 7 - 2209 E. Lake Wa Blvd58.9Site 8 - Portable Between Sites 4 and357.8Site 9 - Portable Between Sites 1 and 73.7Site 10 - Portable Between Sites 1 and 74.7*Hourly-Average Leq (dBA)11pm - 12am57.22.80.4.11.05 .757.557.2.02.212am - 1am52.957.953.93.05 .352.953.351.857.558.41am - 2am50.354.148.71.252.351.50.550.00.35 .92am - 3am49.53.145.958.551.49.248.250.853.754.93am - 4am4 .751.542.859.549.948.84 .448.550.951.74am - 5am48.52.743.59.51.150.448.550.352.254.15am - am49.854.945.22.753.251.149.451.854.055.0am - 7am52.257.349.1.455.554.852.753.957.358.17am - 8am53.058.749.3.05 .755.353.755.059.359.78am - 9am57.40.852.27.859.757.05 .957.33.34.4Notes recorded by the on-site Independent Noise MonitorWork:N nighttime c nstructi n w rk perf rmed.Public Comments:N public c mments received related t nighttime n ise.Exceedances:Site(s) 4 are n t pr ject related. Exceedances are caused by public traffic driving by the n ise m nit rs.Non-Compliance:N ne.LegendLeq Leq means the equivalent s und level, which is the c nstant s und level in a given time peri d.N/A Time Peri d n t applicable t MPPCNVRed N ise Level Exceedance, pr ject relatedBlue N ise level exceedance, n t pr ject related N Data Available# N c ntract w rk . P rtable m nit rs are n t being used (n t needed).M ntlake Pr ject MPPCNV Weekly Rep rtPage 8 f 10

SR 520 Montlake ProjectMajor Public Project Construction Noise VarianceNOISE MONITORING - WEEKLY REPORTMonday, December 28, 2020toSunday, January 3, 202110 pm to 7 am (weekdays) / 9am (weekends)The table bel w includes data gathered fr m n ise m nit ring equipment l cated at seven stati nary and three p rtable l cati ns thr ugh ut the M ntlake Pr ject areaSunday, January 3, 2021SiteSite limit*10pm - 11pmSite 1 -2449 E. Lk WA Blvd754.9Site 2 - 2015 E. Roa