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SD-1~ Site Design & Landscape Planning <br />Uesyri7ty iti'Lw Irtslrallafiores <br />Begin the (3e~~c~l(]p]nc:nt (af a plan fc)r tlxe: l4m(iscapc: unit tvittx attention t(] tlae f(]llot~~ilx~ ~;c~nt'ral <br />principles: <br />^ 1<orlnulate the Flan ()11 the basis of clearly articulated cotnnaunty goal. Carefully ideniify <br />conflicts and cl]c.)ices between xetainilxg al]d protecting desirexl resnllrces ax]d commllnitS- <br />grotvtll. <br />Iv1ap and ~tsscss lax]d suitability for urban rises. Ixiclude the follot~riltt; laxldscal~e featllre~ it] <br />the. xlssessment: wooded land, open unwooded land, steep slopes, erosion-prone :->oils, <br />foundati<)n suitabilitz~, Sail suitability far waste disposal, ar}uif('rs, agPlifer recliar~e ~Ircaa, <br />]4-etlands, Ilooelplains, surface tvatc~rs, agricultural. land:, and various c~lteg(aries of nrhan <br />land usca. ~tihe11 appl-opriate~, tl]c a5sc.ssment tan hi};hli~;ht outst<lndiltn l()cal (lr regic]nal. <br />1•esOtlrccs that the community rletermincs should bed protected (e.g., a scenic arc a, <br />recreational. ar€~~], threatened specit:s habitat, farmland, fish I-ult). i~'iapping and assessn]ent <br />should recogni« not only these resources but :also additionzil areas nct:dt~cl for their <br />suste]]allce. <br />Projee~t plan designs should conseltie natural are~ls to the extent possible, maximise natural <br />tti°ater storage and inflltrati(3n c]pportunities, and protect slopes rend channels. <br />f"t~nserz~E> ~'V~a~PP•a1 ~`trec~s clur•trlr~ ilc~nds(°czpe P1CIF1T7I71~ <br />If applicable, thej fc)11(xtivixlg items are re(.yuired alld must be ilriple:mexlted ixl the site 1av(7ut <br />during the subdivision design and apprc)val process, consistent ~~-ith applicable General Ulan and <br />I>c3c~ll area Plr]lt I7(aliC'It~4: <br />^ Cluster development on least-sensitive portions of s] sits; whip leap=ing tdle relnailling land i]x <br />a natural undisturbed c(>nditian. <br />>r Li111it cIcaring anal. gradint; c)f I•Pative vegetation at a site to the: mil-lznelnl amoxllzt needed. to <br />lnlild lots, allow access, and pr(avi~cle fire pr(ltectiOn_ <br />a 1~~slxi]]]ir.e tre(?5 ~]ncl t~the~r vegetati(~n at each site by plalttin}; additi(.)nal t`egetE]tion, (:ltls_erin; <br />tree areas, and pro]noting the, t]se of native and/t)r drought tolerrlnt pl.alxts. <br />• Promote natural vegetation by tlsilYg parking lc>t i4lancls and other lalldsc4lpc:cl areas. <br />^ Preserve ripariar] areas ~lnd tu('tlanc3s. <br />.'42'cPxirlxizel'~'utxPr°Cl.r I4 atcr:Stc3~•cPgc: ax]dlnfttr•cxtian (1p~~c)rtPlniluzs I~Y`itllirl thc~ flcln(lsc(lpc~ I.~izii <br />^ I'P•omote tllc: consenratiol] of :forest c()1•er. I3uildin~; on kir]cl that is alrcad}' cieForestcd affects <br />basin hydrology to a lessor extent. than c(}nverting ((]rested land. Lass of f()I°est cover recluses <br />interception storage, detention in the organic fz)rest t7oor lay'r.:r, an(l water losses by <br />ev<]})otrx].lzspiratic)n, resulting in Iarge peak runoff increases tilnd either their negative. effects <br />(.)r tl~e expense of c(~ul~tering tale°.rll tti~ith structural solutions. <br />^ l~.'Ialnt811] natural st()rage res~r~'()1rS and dralxlage C;OrrIC1C)rS, ]1]Cludln~T, depl'eStil()n~, are':3S of <br />permeable soils, swales, and interntittent streanxs. Develop and intplenlent Iaoliciezs a€acl <br />of ~# California 5tormwater BMA Nandbo~I( la~~~~dry zO03 <br />tve~~ E;av~lapn3enC an~i Re~evelc~~n-,ent <br />+rotiaw.cahrm~raarae~btyokg.~orn <br />20D-33 <br />