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t. <br /> Oren. <br /> PUBLIC WORKS <br /> Requested changes to page 11: <br /> Not all the roof downspouts can be dispersed so the remaining downspouts will be tight <br /> lined together and directed to a perforated stubout connection. The runoff generated by <br /> this portion of the roof surfaces will then outfall to the existing storm drainage system <br /> within the right-of-way. The pipes will be connected to a yard drain,which will connect to <br /> a catch basin set on the existing storm line within the right-of-way. <br /> 01 <br /> t Other Hard Surfaces: <br /> lea t As noted above due to the fill soils found on this project and since they were not placed _i-� <br /> �' under the supervision of a geotechnical engineer the soils are not feasible for,.nfiltration.SNSLZ . <br /> {?/� Therefore,the following LID options are not feasible: (cinlenff c7oi' <br /> 0 t FullDispersion:(This was maximized using the Roof surfaces) <br /> 1 Permeable Pavement: Due to the shallow depth of the pavement and gravel course for <br /> 1 \`'\ permeable pavement this LID BMP is feasible for this project. As a result the on-site <br /> 1 tV driveway areas will be constructed as permeable pavement and the standard City detail <br /> L. " 0 has been included on the plans. <br /> ��U' Bio-retention:(Infiltration LID BMP ) z- <br /> Sheet Flow Dispersion: <br /> Not selected since higher option used. <br /> Lawn and Landscaped Areas: <br /> Finally, lawn and landscaped areas must implement post-construction soil quality and <br /> depth in accordance with BMP T5,13. Therefore,BMP T5.13 will be applied to all areas of <br /> lawn/landscaping on this site to further provide filtration and some evapotranspiration of <br /> site pervious runoff. a <br /> Wentz SP 17-1004 <br /> Nov.2018 Page 11 <br /> Page 3 of 3 <br />