31 59TH PL SW 2016-01-01 MF Import

pts ;t'tl `�Im�inttrs April 19, 1993 6cotc,lmicil. 6 corm iron mcnial anA 61 nlogic Ser%ices Select Homes 237 Elm Street Everett, Washington 98203 Attention: Mr. Randy Clark Building Setback Conditions Hanabrook Development Divisions Ill and IV Everett, Wa:.hington File No. 2670-005-1106 The purpose of this letter is to outline reduced budding setback conditions for location of homes at the tops of slopes on Divisions III and IV of the Hanabrook Development in Everett, Washington. This ba: t, t discussed with Mr. Randy Clark of Select Homes, Mr. Pat McCour, of Universal Brok=gu . rporation, and Mr. bticha!l Crowson of W&H Pacific. We have )bservtd ,w signs of instability o:. ative slopes in Divisions III 2nd IV. Fill slopes on Divisions III and IV were constructed with structural fill consisting of on-site granular soils ; ider full-time monitoring of a qualified individual from our firm. The suucntrai fill is keyed into existing firm native soils and fill placed to achieve the final slope grades has been properly benched into existing native materials and compacted to 95 percent of MDD (maximum dry density)according to the specifications of the ASTM D-1557 test procedure. In addition, the lots are graded to slope away from the tops of slopes and all slopes have been coverod with jute matting and hydroseeded fie: r tsion protection. In our opinion, where slopes have been placed, compacted, graded, and vegetated as describes+ above, the minirru¢ building setback distance can be reduced to 10 feet. The setback distance is the horaonA distance measured from tha front face of the footing to the face of the Slope. It should b: understood that if the setback distance is reduced to 10 feet, the risks of losing access, reducing the design life of the foundations and having slope movement impact the house foundations are 4tcreased.