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DRAFT <br />927.05 STREETS UTILITIES AND PUBLIC SERVICES CODE 66J <br />(10) Cut and fill slopes. Cut and fill slopes shall be designed and constructed <br />in a manner which will minimize erosion. Consideration shall be given to <br />the length and steepness of the slope, soil type, upslope drainage area, <br />groundwater conditions, and slope stabilization. <br />(11) Stabilization of outfalls and channels. Outfalls and construction or <br />modified channels shall be designed and constructed to withstand the <br />expected velocity of flow from a post-development, ten year frequency <br />storm without eroding. Velocitv dissination devices shall be nlaced at <br />discharLye locations and along the length of anv outfall channel to <br />provide non-erosive velocitv from the structure to a water cnurce -.n <br />(12) Storm sewer and other draina?e outlets All storm sewers, footer drains, <br />roof gutter drains and all other drains will be outletted at the bottom of the <br />slope. The slope below the outlet will be able to control the water being <br />drained through the storm sewer or other drains without causing erosion of <br />the stream or channel banks or channel bottom. If required due to the <br />velocity of the storm water from the outlet, rock channel protection shall <br />be placed for erosion control. <br />Storm Water Management and Urban <br />(13) Establishment of ermanent ve etation. A permanent vegetation cover <br />shall be established on denuded areas not otherwise permanently <br />stabilized. <br />Permanent vegetation shall not be considered established until ground <br />cover is achieved which, in the opinion of the City Engineer, provides <br />adequate cover and is mature enough to control soil erosion satisfactorily <br />and to survive adverse weather conditions. <br />(14) Disposition of temporarv practices. All temporary and pertnanent erosion <br />and sediment control practices shall be disposed of within thirty (30) days <br />after final site stabilization is achieved or after the temporary practices are <br />no longer needed, unless otherwise authorized by the Engineering <br />Division. Trapped sediment shall be permanently stabilized to prevent <br />further erosion. <br />(15) Maintenance. All temporary and permanent erosion and sediment control <br />practices and facilities shall be mamtained and repaired by the owner or <br />person in charge of the parcel of land on which such facilities are located <br />as needed to assure continued performance of their intended function. <br />(16) Special provision. Standard Number (5), Storm Sewer Inlet Protection, <br />and Standard Number (7), Construction Access Routes, apply to all earth- <br />disturbing activitv reiaardless of lnt c,7f-.