1502 100TH ST SW 2016-01-01 MF Import

2. EXISTING CONDITIONS SUMMARY The sde covers approximately 0 20 acres All of the proposed disturbance area oi the existing site contams bare soil, g•3sses and some brush Approximately 0 06 acres of the site wdl be impacted by new impervious surfaces wdh approzimately 0 14 acres c( the s�te bemg disWrbed as needed for the cleanng/grubbing and restoration of the ex�shng sde This site has been previously cieared and grade� The proposed area of disturbance �s in an area that drains to the south and southwest with some oH-site runoff entenng Ihe site along the eastern property line The existmg roadway contams Flows within the R O W Since ihis pro�ect does not propose ro collect or concentrate flows, it appears all offsde flows will not aHect this pro�ect No erosion or capacity issues were observed nn or around this sde All runoH from the proposed developed portion of this site leaves over the southern property I�ne as sheet (low and is collected oftsite in an existmg sirearti channel that then direcis runoft to the west The sods have been revlewed and found to be Alderwood-Urban Land Complex type soils. In addition, site grad�ng has occurred under a previous permit so the ma�onty of the site soils have been disturbed and compacted The general site slopes in the area of disturbance are flat at approximately 4°6 or less. Based on the existing sod information ano the setbacks of the proposed improvements from any of the property 6nes there is 6ttle potential (or eros�on or sedimentation during construction assuming the bas�c BMPs included in the SWPPP are installed and mamta�ned properly Refer ro Figure 2 for an existing basin map � Adan 100"Lot 7 SFR 12�1205-i �I ' �I Uer. 2D 12 Pe9e 4 \ / � .�