SECTION:
13.75.010: Purpose Of Provisions
13.75.020: Critical Facilities
13.75.030: Applicability
13.75.040: Geologic Hazards Study Area Maps
13.75.050: Responsibility For Geologic Hazard Studies
13.75.060: Preliminary Sitework/Activities
13.75.070: Geologic Hazard Studies And Reports Required
13.75.080: Geologic Hazards Report
13.75.090: Review Of Reports; Approval Procedure
13.75.100: Disputes, Appeal Procedure
13.75.110: Active Fault Considerations
13.75.120: Disclosure When A Geologic Hazards Report Is Required
13.75.130: Disclosure When No Geologic Hazards Report Is Required
13.75.140: Warning And Disclaimer
13.75.150: Change Of Use
13.75.160: Conflicting Regulations
13.75.170: Appendix A: Geologic Hazards Study Area Maps
A. The purpose of this chapter is to promote the health, safety and general welfare of the citizens of Holladay and minimize the potential adverse effects of geologic hazards to public health, safety and property by encouraging wise land use of geologic hazard areas. (Ord. 2012-15,9-20-2012)
B. This chapter and its appendices address surface fault rupture, slope stability, liquefaction, and rockfall hazards, and present minimum standards and methods for evaluating geologic hazards.
C. Results of geologic hazard studies shall comply with this chapter and its appendices. The standards set forth in the appendices are minimum requirements and shall not supersede other more stringent requirements that maybe required by other regulatory agents
D. Appendix A of this chapter presents geologic hazards study area maps reflecting geological concerns pertaining to development within Holladay City. Site specific geologic hazard assessments performed by qualified engineering geologists shall be required prior to developing projects located within a geologic hazards study area. In the event known or readily apparent geologic hazards exist in an area subject to a development application, which area is not depicted on the geologic hazards study area maps, the developer shall submit the applicable study and follow the process as outlined in this chapter. (Ord. 2021-26, 10-14-2021)
For the purposes of this title, critical facilities are defined as:
A. Lifelines, such as major communication, utility and transportation facilities and their connection to emergency facilities; or
B. Essential facilities, such as:
1. Hospitals and other medical facilities having surgery and emergency treatment areas;
2. Fire and police stations;
3. Tanks or other structures containing, housing or supporting water or other fire suppression materials or equipment required for the protection of essential or hazardous facilities, or special occupancy structures;
4. Emergency vehicle shelters and garages;
5. Structures and equipment in emergency preparedness centers;
6. Standby power generating equipment for essential facilities;
7. Structures and equipment in government communication centers and other facilities required for emergency response; or
C. Hazardous facilities, such as structures housing, supporting or containing sufficient quantities of toxic or explosive substances to be dangerous to the safety of the general public if released; or
D. Special occupancy structures, such as:
1. Covered structures whose primary occupancy is public assembly (capacity greater than three hundred (300) persons);
2. Buildings for schools through secondary or daycare centers (capacity greater than two hundred fifty (250) students);
3. Buildings for colleges or adult education schools (capacity greater than five hundred (500) students);
4. Medical facilities with fifty (50) or more resident incapacitated patients, but not included above;
5. Jails and detention facilities;
6. All structures with occupancy greater than five thousand (5,000) persons;
7. Structures and equipment in power generating stations and other public utility facilities not included above, and required for continued operation. (Ord. 2012-15, 9-20-2012; amd. Ord. 2021-26, 10-14-2021)
These regulations are applicable to all lands within the geologic hazard special study areas in the city, as shown on the geologic hazards maps in this Appendix A. Such maps and all amendments thereto are made a part of this chapter as if fully described and detailed herein. Each change in the geologic hazards maps shall be subject to the amendment procedures set forth in Chapter 13.07 of this title. (Ord. 2012-15, 9-20-2012; amd. Ord. 2021-26, 10-14-2021)
A. The boundary lines of the special study areas shown on the geologic hazards' maps shall be determined by use of the scale appearing on the map. Maps intend to represent generalized scientific information designed to indicate areas where hazards may exist and where geologic hazards studies are required. Because the geologic hazards study area maps are prepared at a non-site specific scale, hazards may exist that are not shown on the geologic hazards study area maps. A site that is not shown in a geologic hazards study area for a particular hazard does not exempt the applicant from considering the hazard if evidence is found that it may exist. If it is subsequently determined that the site features a geologic hazard not represented on the geologic hazards study area maps, the review process will be pursuant to this chapter.
B. Geologic hazards study area maps may be updated and amended by the city as per Chapter 13.07 if found to be inaccurate or in error, or as new methods or data are developed to better define areas of potential hazards.
C. Where geologic hazards study area maps are thought by an applicant to be inaccurate or in error and require revision, the applicant shall submit to the city technical evidence by a qualified professional supporting the claim and showing the proposed revision. The city will review the information and render a decision. The applicant may appeal that decision to the city council. (Ord. 2021-26, 10-14-2021)
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