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Gco�Enginccn <br />Sclect Homes <br />237 Elm Strcct <br />�vcrett, Washington 98203 <br />Anention: Mr. Randy Clark <br />-�' r -, , -, .� <br />, ; , � <br />. �ti��) <br />AFR ^ �' IS93 �—'' <br />April 19� 1993.._....__... ........_...._ .............-_ <br />CITY OF EVERETfi0a1rdmital, <br />Putli[ WOrks DepLGeceneironmcmaland <br />finilngic Stn'Ices <br />IIuilding Setbnck Conditions <br />Nanabrook Development <br />Divisions III and IV <br />L•vcrett, Wazhington <br />Pilc No. 2670-0OS•R06 <br />7tie puqwse o( L'�is letter is to oulline reAucal building setback wndi�ions for location o( <br />homes at thc tops of slopes on Divicions III and IV of the H�nabroak Development in Everett, <br />Washington. 'Ibis haz bcen discussal with Mr. Randy Clark ot Select Homes, Mr. Pat McCoun <br />ot Universal Brokerage Comoration, and Mr. Michacl Crowson o( W&H Pacific. <br />Wc 6ave obscrved no signs of insWM1ility on native slopes in Divisions III and IV. Fill <br />slopes on Divisions IR and IV were conswclod with swctural fill wnsisting of o�•-site granular <br />soils under PoII-time monitoring of a qualified individual from aur firai. 7'he steucmral fill is <br />key�d inm existing firm native soiis and fill placed to achiev: uie final slope grades hac been <br />properly benchod into existing native materials and companed to 95 percent of EfDD (mazimum <br />dry Aensity) according to the spceificationt oCthe ASTht D-1557 test procedure. In addition, thc <br />Iots are graded to slope away Rom �he tops oC slopcs and all s:opes haee been coverai wi�h jute <br />maning a�d hydrosecdcd to� erosion protation. <br />In our opinion, where slopes have been piaced, compacted, graded, and vegetated az <br />ducribcd abovc, thc minimum building sciback di<_tancc can be raluccd to ]0 tcet. 'iLc sctback <br />distance is thc hor'vnntal dis�ance meazural from the front facc o[ Ihc footing to thc tacc of thc <br />slope. It should be understoal that if the setback diswnce is reduced to IO feet, ihc risks of <br />losing acerss, reducing the design life of the foundations and F.aving siope movement impzc[ tl�c <br />house founJations are increased. <br />Gn�F.nNnma, Inc. <br />.WIO 153th Aecnue 6'.F.. <br />ki.Lwrv1,U'A 9N052 <br />�@Ie�Aiwie (3116) AGIGWD <br />FaN Q(G) YUI1�0>O <br />Av�.M> rnµ�J ryin <br />