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(1) The purpose of this chapter is to provide regulations for the protection of public safety, health and welfare pursuant to the Growth Management Act (chapter 36.70A RCW), in geologically hazardous areas, including: erosion hazard, landslide hazard, seismic hazard, mine hazard, volcanic hazard, and tsunami hazard areas.

(2) This chapter applies to:

(a) Development activities, actions requiring project permits, and clearing except for the following:

(i) Non-ground disturbing interior or exterior building improvements;

(ii) Routine landscape maintenance of established, ornamental landscaping;

(iii) Non-ground disturbing normal maintenance or repair;

(iv) Removal of noxious weeds conducted in accordance with chapter 16-750 WAC;

(v) Maintenance or replacement that does not expand the affected area of the following existing facilities:

(A) septic tanks and drainfields;

(B) wells;

(C) individual utility service connections; and

(D) individual cemetery plots in established and approved cemeteries;

(vi) Data collection and research by nonmechanical means if performed in accordance with state-approved sampling protocols or Endangered Species Act (ESA) Section 10(a)(1)(a), Section 7 consultation (16 USC § 1536);

(vii) Nonmechanical survey and monument placement;

(viii) Soils testing or topographic surveying of slopes for purposes of scientific investigation, site feasibility analysis, and data acquisition for geotechnical report preparation provided it can be accomplished without road construction; and

(ix) Quasi-judicial rezones not accompanied by another permit or approval.

(b) Agricultural activities, which are subject only to Part 500 of this chapter. (Added by Amended Ord. 06-061, Aug. 1, 2007, Eff date Oct. 1, 2007; Amended by Amended Ord. 13-042, July 10, 2013, Eff date July 22, 2013; Amended by Amended Ord. 15-034, Sept. 2, 2015, Eff date Nov. 1, 2015).