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ENGEO <br /> <br />Erosion and Sedimentation <br /> <br />INCORPORATED <br /> <br />The GHAD will address erosion and sedimentation in the Covered Area. Hilly terrain open <br />space, either in a natural condition or particularly on excavated slopes can be subject to erosion. <br />Landslide deposits, which are sometimes in a loosened condition, are particularly prone to <br />erosion. Earth flow-, debris flow- and mud flow-type landslides typically have areas of <br />deposition or accumulation (sedimentation areas) at their bases. Graded slopes in the Covered <br />Area, particularly those in excess of 20 feet in vertical height or those not sufficiently vegetated, <br />can be subject to erosion and, therefore, a source of transported sediment. <br /> <br />E. Definitions <br /> <br />Lot: A plot of land, as shown upon the recorded subdivision map of Tract 7176, that is <br />designed and intended for the construction of a single-family residence, including all <br />improvements constructed thereon and any adjustments which may be made from time to <br />time by a recorded lot line adjustment. A lot does not include land owned in fee by the <br />homeowners' association, nor does it include Open Space. <br /> <br />2. Undeveloped Property: A Lot that has been rough graded, but on which a single-family <br /> residence has not received a certificate of occupancy. <br /> <br />Open Space: Property which is located within the GHAD boundary, but which is not a Lot <br />or Undeveloped Property. "Open space" includes land owned in fee by the homeowners' <br />association. <br /> <br />Surface Rupture: Surface rupture occurs when movement on a fault deep within the earth <br />breaks through to the surface. Not all earthquakes result in surface rupture. Fault rupture <br />almost always follows preexisting faults, which are zones of weakness. Rupture may occur <br /> <br />4992.5.001.01 <br />February28, 2003 7 DRAFT2 <br /> <br /> <br />