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<br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />II <br />I <br /> <br />I <br /> <br />a. P,dding water to the site. <br />b. Removing the toe of the slope without providing adequate <br />mechani ca I support. <br />c. Increasing the weight load on the top of the slide. <br />d. Removing vegetation from the site. <br />e. Over-steeping the existing slope of the slide. <br /> <br />Development in landslide areas shall be discouraged. Any structural development <br />in such al'eas bears an extremely high risk and shall only be permitted if the pro- <br />posed action assumes the high cost of engineered design and construction stabili- <br />zation measures. <br /> <br />3. GROUND SUBSIDENCE: <br /> <br />Areas which may experience ground subsidence can be found in the study area. Such <br />areas exist where there has been extensive underground mining activity, While cer- <br />tain mitigating measures may be taken, it would generally be best to prohibit de- <br />velopement of such areas. <br /> <br />Ground Subsidence is defined in H. B. 1041 as follows: <br /> <br />"Ground subsidence means a process characterized by downward displace- <br />ment of surface material caused by natural phenomena such as removal of <br />underground fluids, natural consolidation, or dissolution of underground <br />minerals, or by manmade phenomena such as underground mining." <br /> <br />4. TALUS SLOPES: <br /> <br />Talus slopes are formed by the accumulation of rock fragments which have weathered <br />loose and fallen or slid down slope. Hazards associated with talus slopes are the <br />continual movement of rock fragments and the potential for rapid down slope move- <br />"lent if disturbed, The following is recommended: <br /> <br />a. Any structural construction associated should be prohibited in <br />talus slope areas, <br />b. Utility lines and roads should be designed to withstand down slope <br />movement. <br />c. Site disturbance should be minimized to avoid inducing instability <br />in the slope, <br />d. The toe of the talus slope shall not be removed without providing <br />adequate mechanical support. <br /> <br />5. FAULTS: <br /> <br />Uevelopment should be prohibited on active faults or under cliffs or overhangs in <br />heavily faulted regions, <br /> <br />6. FLOOO HAZARD: <br /> <br />It is beyond the scope of th is study to identify the extent of the fl oodpl a in. It <br />is the responsibility of those considering development to evaluate the relationship <br />of the proposed action against a potential flood. <br /> <br />qeference may be made to the Zoning Regulations for Lake County, Section 7.5 enti- <br />tled "Flood Control Regulations" )'egarding procedures for designation of a flood- <br />plain area. The ordinance permits construction within the floodway fringe area by <br />special permit. <br /> <br />4 <br />