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4.5 Bridges, roads, and trails near salmon s <br /> treams, including for on-going <br /> maintenance practices <br /> j Potential Issues <br /> Constructing, maintaining, or using inadequate bridges, roads, or trails on stream ba <br /> slopes adjacent to or above salmon habitat may cause on-goin sedi nks or unstable hill <br /> owns property adjacent to some streams and rivers, and holds gonservatioproblems. In addition, the City <br /> along others. To facilitate on-going maintenance of these Ovate n or maintenance easements <br /> equipment), the City sometimes constructs paved roads adjacen <br /> to the wateing access by large, heavy <br /> i use of these roads by heavy equipment can negatively impact ri Ve may' The construction and <br /> p getation and compact soils. <br /> I Key Question <br /> Question <br /> 1 Is a bridge, road, or trail being constructed within the ~°cs~No <br /> Guidelines Area? Salmon <br /> i <br /> <br /> ~ 2 Will n1ee1 <br /> access to a waterbody in the <br /> Area be required for maintenance vehicles and hea Salmon Guidelines <br /> purposes? ~'Y equipment or for other <br /> If you answered `YES', proceed with the Potential Requirements and Solutions t <br /> .answered `NO', move to Section 4.6. able below. If you <br /> .Potential Re uirements and Solutions <br /> Requirement or Solution <br /> 1 Examine the too a h r <br /> p ~ p y and slope stability to determine if there are alternative <br /> locations that have few potential risks for sedimentation roble <br /> ~ Re-route environmentally sensitive sections p ms. ~ <br /> nsk-prone areas. You may need to consult one or more~specdialis b to dete less <br /> where the sensitive areas are located. nnine <br /> i <br /> 3 For construction of any trails, roads, or bridges near salmons <br /> Erosion Control Permit from the City. Creams, obtain an <br /> i <br /> 4 If a bridge is proposed, ensure that the bridge design allows fo <br /> stream and bed materials (such as r free passage of the <br /> emba ~'avel and cobbles), with no approach ' <br /> nkment into the main channel. <br /> 5 Minimize the amount of impervious surface in the ri i <br /> i <br /> methods such as pervious concrete and bioswales to mnimze stormwaterlrun_off <br /> 5 Utilize existing or proposed recreation paths for maintenance access, instead <br /> constructing new paths. of ~ <br /> 1 <br /> 6 Limit the need for mechanical equipment and maintenance altogether. ` <br /> Guidelines for Salmon 4-19-04 <br /> i <br /> Page 15 <br /> <br />