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<br />C\'JCll j"LOOJ) 1;7\:1,[1"') l:EVJi-:i': SUI',ill\HY <br />l\spccn Vi1J2<;:: Subdivision <br />Pi'c];}], County <br /> <br />July J(j, 1979 <br /> <br />6ub;;d.. L t-.u J.b <br /> <br />Memorandum dated JWle 14, 1979 and General Submission and Growth <br />Managoncnt application prepared by Design Workshop, Inc., dated ~ay 31, <br />1979. <br /> <br />Refc>,cnees <br /> <br />In addition to the above, we referred to the report cnti~lcd "Floo~- <br />plain Information I~eportt Roarillq Fork Ri.ver. Aspen to Basalt, l'itl(jn <br />~unty, CoJorndolr prepClrcd by h'right-McLauqhlin Enqin88rs in l..UCfust 197G. <br />ThlS report was design2ted and approved by our board on January 4, 1977. <br /> <br />The 2pp1icnnt's Non-Buildable Lands Summary on page 9 of the <br />application does not reference the abo~ereport as a source of thcjr <br />floodplain informa~:_ion. 1\:0 flooc1plD.iE is shoi..rn on the mop on p.:'1ge 10 <br />for the unnamed tributary draining approximately 1.3 square miles ~nd <br />purallel to \}~t_son Divide road~. An app:co:.:imation h70uld probably suffice. <br /> <br />Base r--1cl}JJ)i!2~ <br /> <br />The source of th0 <)lmlicant's base r:1u'J, scale'l ineh '= 1)00 -feet <end <br />5 foot contenr intervul, is not identified. The elevations cited in <br />this review corrc5?ond to t}le maPi)ing p~cpared for the Wrigllt-~lcLau~hlin <br />FlOOdplain Informa ti.on Rc'port. No study VIas made to see if the tHO ,"ups. <br />are co,apc:tab1e. <br /> <br />!i):"dr?logy <br /> <br />The 100-year discharge in the Roarin'] Fork River is 8,300 cfs for <br />thi.s rccch accordi!)g to the floodplLl.in study.. The drz.inage arc2. be:,_o'.-.' <br />Woody Creek is about 420 "quare miles. <br /> <br />'Flood Hazilrd <br /> <br />Fourteen of the 20 proposed single fa~ily hom2sites are planned <br />along tlle "base of a hillside" south-\'.'cst of Colorado State Highway <br />82. None of these sites appear to be in u 100- car flooQplain. HO\I- <br />ever, il geo agist's o0inlon lS recommended for the potentlal azard <br />from rock or mud slides i.n these areas. <br /> <br />six of th(, 2(1 proposed homesites are planned along the Hoar in'] Fork <br />River ilnd arc to be serviced by individual wells ~nd septic systems. <br /> <br />In trnnsferr~.ng the floodplain bounderies frGm the Wright-McLa'ghlin <br />report to the app:.icant's Lnn'd Use Plan, we find all six of these sites <br />are in or sufficient] . close to the flood boundary line to \.;arrant. !norc <br />careful stuoy. 'fLc fOl.lm.;ing tabl.e of lr:O"ye:1r floo eleviltlons ",: <br />been lnterprcted from informution published in the floodpl~in report. <br /> <br />, -._~ <br /> <br />;j'r.'" .~+ <br /> <br />, <br />i-; <br /> <br />--~J- - <br />