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From THE UULCRN RANCH C0 ~ PHONE No. 303 984 3601 • Dec. 09 1994 12:52PM P12 <br />-t7- <br />CuG and fill slopes should be revegetated or protected <br />against erosion by other means. In general, revegetation Of <br />Slopes steeper than about 1 1/2 horizontal to 1 vArtieal will be <br />difficult, To help rcvcpetate very steep cut and fill slopes a <br />geogrid ur mesh to help the root eyatem of the vegetation begin <br />can be useJ. In addition to revegetation to he1D prevent <br />erosion, surface water should not be allowed to discharge uncnn_ <br />trollvd onto the cut and fill elopes. Uncontrolled runoff r.an he <br />pr'evcnted by use of ditches at the tops of slopes anA lined or <br />riprap ditches on the slopes to handle discharge down the slopes. <br />::ur•face water should not be allowed to pond within 10 feet of <br />buildings or structures, Moieture imfiltrotion could adversely <br />impact foundation end floor slab members. Perimeter baekfill <br />~lrould be compacted to the fob Epecifioations and have a surface <br />slope of at leost 5x (non-paved areas) away from strur.turPS. <br />Vegetation requiring regular watering should not he located <br />within 10 feet of the building perimeter. <br />BUILDING At1D 3ITE MAINTENANCG <br />!'roper Duilding and site maintenance becomes the ouner~s <br />responsibility after completion of the construction. A preven- <br />tive maintenance program should be establishetl for certain <br />geoteehnieal aspects of tFre surface facility site. The mainte- <br />nance program should identify and curreot problems related to: <br />1) Poor surface drainage; 2) Swelling or settling ;,oils; 3> Slope <br />erosion and 4) Instability of graded slopco. <br />Chen &,~ssociates <br />