APPENDIX 5

Landscape Concept Plans

California Juniper Juniperus califomica

Echinocereus sp9Ci9s

Opuntia species

Lycium andersonii

Yucca schidigera

h,'iiJ.\;WJ f.l INVIROHMINlll VI!ION 7-11-100II

Jojoba Simmondsia chinensis

Ephedra califomica

Landscape Concept The land5Cape concept for the ECO 5ubstatlon Involves the Installation of native plant material to replicate the vegetation

, ~;;;,=:;~~~~~~~;~~pattem seen In the surrounding landscape setting. landscaping will : restore the appearance of disturbed slopes to resemble the original

desert landscape. In keeping With the existing landscape character, proposed planting Will allow for areas of exposed SOil and rock to be VISible. In addition, small trees and larger shrubs will partially screen lower elements of the substation and thus Visually Integrate the structures' appearance With the desert landscape.

•

.I

NOTES:

voe 1GB7 I . In ~rek where construction requires v~etaI;lon de.ilnnog. m~ture. he.;llthy a'3aves ~nd other 5Ucculents WI~ I:>e transplanted Into contouners and retained With roo\:balls IMbct for later tran~plantlM'3 onto ~Iopct:> and dl5turbed ~0I1. PrlOl' to construction. a qualified flek;ll:>loio'3,st Wlilidenl:lfy an.!:! ta'3 ~peclmen~ to be tr.a~anted.

I'i:~ L 2. In..area~ where con~tructlon requl~ cle3nn'3 of ro~ andrU-- 1 ~ ~~I

I:>o~~ (apprCIXlm~tely I 2"-24' 1M diameter), these materialsI r "- r-::-:ll. - - - ~ shall I:>e stockpiled ~nd placed on disturbed s~pes.-1- --- -------1 L1 3. All plantln'3 Will I:>e COnslStertt With 5DG*E's operatlO/1OlI

requlrement5 for l~nd~~pln'3 1M prOlllmlty to elec::t:nc transmission f~cllrtles.II y en'3l!1eer pnor to

Installation. ~iltlon system Will I:>e operational for iI minimumI I two-year"-penod while new plilnt materlill becomes eatal:>h!>hed.

_~~L:..:j:.=.::.::..::.::..:=.:;t=:"=;.;:..::::..:::,:::.::~:.:::.:;=~--1 :~~~,.,::,: ,;, 'E;:':..___~~te ~~~~~~ ~d~~PIM'3 wllIl:>c: truck-watered dUrl"'3 - -- 2 0 4() 000 rE Ei 5: Owper Will -retain a landscape contractor to pl'OVlde periodiC--- - --~ .=-=c::- _. IT\illhtenance Includln'3 removal ilnd replilcement of dead plartt

( ~~terl~l. upkeep of II'rl'3atlOn system, and perIOdIC ev.ilu~tlOn of srte landscapiM'3 to determiMe additional (and:scap'"'3 and millr:rtenance needs.

N"'" o 800 ! ! ,...

FIGURE 4.1-2 EAST COUNTY SUBSTATION LANOSCAPE OVERVIEW East County Substation Project

PLANT PALETTE LEGEND APPROXIMATl: APPROX. MAXIMUM

5YMOOl mE QE rLANT QUANTITY 5UGGtSTI:D 5f'tCIE> CONTAlNER5IZE HEIGHTJ5P~

fver'!lree;n 25 Ac:Icla

RETENTION BASIN

B

~~?'Jg.fiJJ ,~ IMVIROH.I\INTAL VISION

"

D

" "

. ;

F. '.

-- ---- -.------SECTION B·B TYPICAL FILL SLOPE Not To Scale

crY N,'"'

0 150 I I

Foe!

For notes and Flant Falette l.e

.... 1/ ....

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·v .r- / 1-

/ .... \.' j"• 1/

r. • .r" I 1 1 ....

/

v~ I,

.r" I'H-l-H: / ...

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/ / .. .... ,

D~ /G..--:1 ....

... L / '

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1/

.1 1 ~ 1 ORIGINAL GROUND ----,

~ BURr-ACE

2:1 5LO"' .~

~ I ~011"" "'eId to:xiod""" to ",,

5clstlne m.;ture trees "Ione~ Hlehwil)' 80 to rem';ln. I' -,

, ) )

_f

PLANT PALETTE LEGENDAl"PRaXIMATI: CONTAlNI:~ SIze:5YMOOL TYPE OF PLANT QUANTITY 5UGGESIkD 5PECIES

~ "ro:ld u everereen tree

Quercus iI'3r1fo11i1 15 G.illion

0 UiT'iI~d on Il'IfonnnIon cont,lIned 111:

MAXIMUM HflGHTI5PREAD •

G5J'G5'

15Y~uill 25Y~uill G'-12Y~ual l'i-12Y~WlI

Gy~.,;I1 4'-G~equ~1

18"/18' 4-1 O'/eqWlI 2Y~u.a1

~Imer, Jeffrey L. ilnd W. Milr~. 'SelecTree:A Tree Selection GUide.' hl:t:p:J/~tectree.ca~.edw'

~..?J9NJ,~ INVIRDMMlNTAL VISION

onstme Boulevard 5ubsbtlon to be demoll3hed.

D

<

OlD HIGHWAY 00

-">()

I I' ,

~L 1_________1

5LOPE VARIES \ M..wr.: of tree!>, iaro:l" !ohI\JOo5, .nd ~"" .nn",,15 on I>

Appendix 5 Landscape Concept Plans