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<br />k lot z ~~~ ass 0 cia t e s <br /> <br />3.1.1.3 Street Ponding Levels <br /> <br />Ponding levels in local public streets used as drainage facilities when the 1 DO-year storm <br />event occurs are not to exceed the minimum of top curb and top of roadway crown for <br />new roadways or new developments. <br /> <br />3.2 Classification of Watercourses <br /> <br />To conduct various hydraulic and hydrologic analyses with the available data, three types <br />of watercourses were recognized, as follows: <br /> <br />. Primary Channels: Larger channels and bayous and similar watercourses which <br />form the backbone of the City's drainage system. These channels are all owned <br />by HCFCD. <br /> <br />. Major Tributaries: Channel, ditches, bayous and similar watercourse of moderate <br />size which are tributary to primary channels. These tributaries are all owned by <br />HCFCD. <br /> <br />. Other Channels: Small to moderate channels and ditches which are tributary to <br />primary channels or major tributaries. All channels and ditches which are not <br />classified as primary channels or major tributaries are classified as "other <br />channels. " <br /> <br />Hydraulic analysis in the development of this CWDS was performed only for primary <br />channel and major tributaries. Primary chmmels and major tributaries are identified in <br />Table 3-1 and shown in Exhibit 3-1. <br /> <br />3-3 <br /> <br />Klotz Associates Project No. 0127.008.000 <br />January 2009 <br /> <br />La Porte Citywide Drainage Study <br />City of La Porte <br />