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<br />These minimums would apply within the setback if the variance. is granted. . .
<br />, (bb)-. The Director. may grant an administrative variance to wa;ve,t~e setback from adjoining
<br />, property i" a Sand, Gravel and ,Rock Products Zone, ifno flood hazard will result.
<br />(ee) The setback ar~a may b~ excavated to reduce the elevation thereof to the grade of an
<br />adjoining public street or road. . ,
<br />(dd) Excavation may be conducted. within the setback area under'Q plan approved by the Director
<br />. 'through 'an administrative variance whereby the excavated area will ~e reftlled with- other,
<br />, materials which. ~ill neither deco",p~sen(Jr pollute underground ,waters. ,
<br />, The ~pplicant proposes to' constmct the low p~eability bame~ within the. seiba~k, proceeding
<br />ahead' of the ininingextraction to the west,at a di~ of 400 f~t ahea~ .of any exca~tion
<br />actiyity. : The banier ,is proposed to be at least 12 feet, wide- at. the bottom (topJ>f the cemented
<br />alluvial layer that stops.the do~nward f1~w of water) and slope upward through ~ upper aquifer,
<br />at a slope ratio that can vary from l:S to 2: 1 to the original ground s~ace. , .
<br />
<br />,ne request'forplacement within Ute setb~ck ~ to'is to insure Its'separation from the excavated'
<br />aggregate pit an(l'to place. the banier's ~uter edge, as close' as ,possible to the 8\IIT9UI1ding off-site ,
<br />shallow 'aquifer. The barrier .will' be 'created' by replacmg' excavated material. with low
<br />permeability clay soil exCavated from an~ther area of Delta property. Clay' soil. will not
<br />decoinpose nor pollute undergro\ind water. - Other clean'iinpenneable material may be ~in the
<br />'aquaclude, and clay .y. be brought ~oin outside the property from other j~s for~U8e in the
<br />aquaclud~." ' ,
<br />
<br />(ee) . Whenexcayation is. d,mpleted adjoining a. setback, the setback area shall be Smoothed, all
<br />excavation.debris.~emoved,. and-~ll trees which are in an unsafe condition removed. Howev.er;
<br />such se(back areas may be usedfor permitted uses under LC16..217(3)(b)"and (c). above.
<br />The Reclamation . Plan wo~d includ~ this requirement.
<br />
<br />l.;C 16.211 (7) (b) Vtlrltl"ca. Variances to dimensionaJ.sttindards'sUch,as setbac~ and slope ratios within
<br />this zone are subject ,to approval ,bY the Director pursuant to' LC 14.100 and must .cOnfo~" to ,the
<br />following criteria:" , .
<br />(I) The variance is not in ,conflict with the general purpose qnd intent of the ~one. . ' ,
<br />(II) There are exceptional or extraordinary circumstances appUcable to the prop'my involved.
<br />(Ill) The denial. of the request would result 'in un4ue and unreasonable property .lois 'to the
<br />~~~t .
<br />'(I,,) The variance will1f!)t be detriniental to 'the public .welfare or conveni~nce, - nor injurious to
<br />, , the property or impro~meiJts .of othe,r owners of other propertY. ,
<br />Qravel extraction' is not ordinarily COD:ducted, in ~lose proximiw tQ' urban populated areas. The
<br />expansi9l1 area site ,is ,in extension' of the existing Pelta site, and without a ~~ce to the
<br />setback req\ii(ements, some property available, for miningwowd be, lost. The 4etriment to public
<br />welf~ as indicate4 in th~ neighborhood testimony in the record is considerable.
<br />
<br />, STEP 7: PROGRAM; TO ALLOW MINING
<br />
<br />OAR 66D-023-180(S)(e): Where mining is allowed, the plan and 'impleinenting'ordinances'.sh411 b,e '
<br />amended to allow such m.ining. Any required measures to minimize cotiflicts, inclf4(/ing' special
<br />co"ditJons and procedures, regUlating mining, shall be. cle,!r and objective~ Additional 'laM use review'
<br />'(e.g., site Plan reView), .'if req~ired by ~he local government, shall not exce~ the minimum review
<br />
<br />.BoardICounCn Heirina - OnIiDance No; P A 1238 .
<br />Agenda Cover Memo
<br />
<br />Delta Sad cl,Gmvel BxpaDsion
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