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tIVT£�t33A1`� <br />cai��aaat�1-880 SOUTHBOUND <br />�W HOV LANE EXTENSION PROJECT <br />From 0.3 mile south of Marina Blvd. Interchange to Hegenberger Road Interchange <br />NOISE MEASUREMENT; <br />The noise Tileter is placed ,cit 5 <br />Common Outdoor <br />Noise Level Common indoor <br />feet in height to simulate a " " <br />Activities <br />(dBA) <br />Activities <br />normal receptor' height. The <br />raHeavy T#ftc at 90 m (300 ft), <br />_ <br />`� Rock <br />_ _.._ <br />noise meter is placed at -a knows <br />Jet Fly-oVerat3(10M 0000ft); <br />Quiet Urban Daybme <br />distance from thecenterline of <br />Gas Lawn Mower at 1 m (3 ft) : <br />_ . _. _. <br />dl perd� ' I led on a. <br />he �d re� an <br />the near lane cif :raff%c, It is then <br />Desel Tn�k at 15 m (50 ft), <br />Food Blender at 3 ft) <br />1 m ( <br />. <br />relativelyt 3 predict thie <br />at BO km (SO mph <br />Noisy Urban Atha, Daytime: <br />_ _. w <br />Garbage DAosaE at t m (3 it) <br />° <br />Library <br />Bedroom at Not, <br />l a i � z paysUaRecording <br />. <br />7 _ # <br />i e level . at �'r ! di't't4n, 0�i om <br />Gas Lawn Mower. 30 m (1001 fti: <br />Vacuum Cleaner at 3 m (1O Of[) <br />C rmereu tArea <br />Normal Speech at 1 m (3 ft) <br />' <br />noise <br />raHeavy T#ftc at 90 m (300 ft), <br />_ <br />!rye <br />_ _.._ <br />, <br />Quiet Urban Daybme <br />Bum Office <br />Dishwasher Next, am <br />Room <br />dl perd� ' I led on a. <br />he �d re� an <br />Quiet Urban Nighttime <br />Suburban Nghthme <br />" <br />Theater, Large Conference <br />Room (Background) <br />„ �' '✓ <br />Quiet Ruth Nighttime <br />Library <br />Bedroom at Not, <br />l a i � z paysUaRecording <br />. <br />ConcWp <br />Studio <br />xA� 'h 'no� <br />ed: t�"! <br />Lowest Threshold otHuman <br />LoweslThresiwld of Human <br />MR <br />Hearing <br />C� OF r�d <br />y <br />