(1) Sounds that originate from aircraft in flight, and sounds that originate at airports and are directly related to flight operations; provided, that such operations are in compliance with all applicable regulations;

(2) Sounds created by fire alarms;

(3) Sounds created by emergency equipment and emergency work necessary for law enforcement or the health, safety and welfare of the community;

(4) Sounds created by the discharge of firearms: (a) in the course of recreational activities during the time of year and time of day prescribed by state law for such activity when the time of day shall begin one half-hour after sunrise and end one-half hour after sunset; (b) on authorized shooting ranges; and (c) in the course of protecting life, limb or property. However, there shall be no exemption for any discharge of firearms that is in violation of any other provisions of law;

(5) Sounds originating from forest land management activities or agriculture activities;

(6) Sounds created by equipment or motor vehicles used for road and drainage maintenance;

(7) Sounds created by off-road vehicles; provided, that all such vehicles are operated with noise-suppression equipment. For purposes of this section, noise-suppression equipment means either: (a) factory equipped and installed noise-suppression devices; or (b) the equivalent thereof. Sounds created by individual off-road vehicles, whether noise-suppression equipment is installed or not, while being used at, but not in transit to or from, officially designated off-road vehicle parks and race tracks shall be exempt from this chapter so long as the off-road vehicle park or race track, as a whole, meets the noise standards of Chapter 70.107 RCW and any regulations thereunder;

(8) Sounds created by warning devices not operated continuously for more than 30 minutes;

(9) Sounds created by the operation of equipment or facilities of surface carriers engaged in commerce by railroad;

(10) Sounds that originate from public works projects;

(11) Sounds created by construction, other than public works projects, between 7:00 a.m. and 10:00 p.m.;

(12) Sounds created by refuse removal equipment;

(13) Sounds originating from officially approved parades and other public events;

(14) Sounds originating from fireworks authorized pursuant to Chapter 70.77 RCW and not in violation of any other ordinance of the town;

(15) Sounds originating from ordinary maintenance of real or personal property during the daylight hours. Such activities include, but are not limited to, landscape maintenance, house painting, firewood cutting, gardening;

(16) Sounds originating from normal travel on roads. However, this exemption does not apply to the operation of any motor vehicle in excess of 10,000 pounds gross combined weight rating within 200 feet of any residence and with a dynamic braking device engaged, unless such device does not increase the sound level emitted by the vehicle under power;

(17) Sound originating from commercial or industrial activities, provided such activities are conducted in conformance with Chapter 70.107 RCW and any regulations thereunder. (Ord. 340 § 3, 1990)