%Y1. V�eN� � FrmrmmemN Nmu Madlsm:-laem, CA
<br />V r AreMix; VApmNtt No. ]eni05a
<br />Xmembs ]1, 201]-Pg6
<br />WVeneldaun Azs.aates
<br />VMIa^.n Axalktes 'a lxdxelw bns PmlavlU
<br />60 SUMNR-
<br />reeaalpwingwmmanresmealwrtiwNtem. regairea m.pMtlw na.Imena a. dew,ibea in mis
<br />FMeam Use
<br />• The preditted noise level inthewtdom useareas do nm I—d the GW of Santa All
<br />General Plan th,Sl a 65 CNEL. No mhhgXb,,, is re Ild.
<br />Re M<nna
<br />Nochangeaare requiree,Dtnerypical mof tlesign.
<br />• sviMowsaM glass doors I.egw.dm$TC rmings antl wall upgrade as shown in Table3
<br />Al-.1e in ApwrMis d.heuiretl.
<br />Ml uni[sare relommentlea[oho. sTC 30glazing minimum, even when narequiretl by
<br />Iotle.
<br />• Residential mechanical ventilation, or ahermwns.l natuhl ventilation, shall be provided
<br />for all units within Zones A and 8.
<br />NwAesldential
<br />• Thep dfiled manimum hourly Lm zouM tenet along-1. Park Onve was fwntl h be less
<br />than the 65 IRA thlIhold per the URN -Green Building Code that would require
<br />analyns Therefore, no fun -analysis is required tod-91te wmD11— ,ith
<br />the CALGreen—.,bml requirements.
<br />Various noise mitigation mmhodsmaV be udli[ed Ip.11srythe.a. criteria des[nbed inthis report.
<br />on amiNwti.n methotls[M1a[ tleviahhom requirements snaultl be reviewetl by tM
<br />arourticel ronsulhnG
<br />If you here any questions., Imnmen-.p,diM this report, plea. d. rest hesitate to I.. —III
<br />Sin[erely,
<br />VeneFlmen Asspaa[m,IM.
<br />Rid H. SH.
<br />Senio//rjAssAocia
<br />(�t—e
<br />I
<br />John LOVeMe
<br />PH'cipal
<br />Z.e` veneklaun Assoaates frmrtnmmW Hwx Matrys; vn Projnt�hAbl, a
<br />�Y XPtembe L201]—Page]
<br />APPENDIX I- GLALNG REQUIREMENTS
<br />In order ro meet IM1e preditted interior.a. levels 1116W in Section 5.0, the glazing shall meet the
<br />f lI-ng requirements:
<br />Table 4. Acoustical Gletmg Requirements: Minimum Octave Band Trenzmizzbn....d STGRating
<br />the Tmmmisslon toss
<br />ominal Tbkkness Bwl Penis Fre4Uemy(Hn
<br />125 is0 500 100p 3pOD arpp Ratlrg
<br />1" dual
<br />1"laminated-insulated
<br />1" insulated+sash
<br />Thethwn ss on loss values'. the table oboe wn I kety bemet whh the tallow ngglaz rig assembl es:
<br />1 STC 30.1/B" I'h' 3/ aim--1/8"—.1ithl
<br />1 SM35.7/32"I ed ]9/32'arswce 3/I6"mw.IRM1c
<br />3 STC M:1/B• Ih%2•airwace 1/8"mwDlhl arspace 3/8"storm sash
<br />Xo.111 tsn. b—Mithrtan a..,l- ,W antlI aWmay)mRIne wdormance of the
<br />overallsystem Theas.mbles Oven above are proneedasa bas s &Ir,—tbut regaNless th
<br />ronrtruchon, the.aave band tranm ss on loss of the DX.IN, system sekned murtmeetthe
<br />values n Table 4 abo. slur lady, [ s Derm wbk[. use an alternate assemblyromvwt on
<br />f [m. vanzm ss on loss requ remen[x Nate thathe ryrtems shall not be.lsrc[etlan the bans
<br />a STC ratbN nB alone
<br />Indep —tlabmatory..urtiwl test ep— h..Id be provided far review by the design team to
<br />canDliance with glazing aro 0.1 wdmm..requirements. Ubshall be a member& the
<br />NVIAP Dm6,am fur aroretlttafion. hb,epmts shall be in compliance with ASTM IN.— ESD antl be
<br />rwMIXE
<br />than 10 years dd(from dale of submission.naft Xjed). The Net, shall U;II—a
<br />o. the entire assembly, maudirighame and seal.. If to -pbhU are not a»ilable for the asumblh,
<br />VA w.ultl requiretnattneassembly be testetl at a thiM W M intlepentlentlab auretlited tbraugh
<br />NVLAP far the ASFM E90.
<br />Table 1-TmMI [aunts ant Ulalatetl U1ELabng Clmm propeMUneto Mdkautl Roatl Source
<br />teed- TMllic Count Umen[CNEL imureCNFL1202fi1
<br />-5 3)6,Ofi0 79 ]90
<br />Ubrilbpark Drive 9,123 61.6 62
<br />OmMII FHerbr EWmure
<br />Based on the -ter model, VA <,I,I,t,d the noise level at dlfferem Iowtlons a0oss the Drojett
<br />'te. To simplifythepreuntmionoltheerterior noise keels, VA has se,,I thesite into klbw s
<br />based on the wuM eawsureand required mitigation. The Dredkted wand levels ateap zone,
<br />shown in Figure 2, are listed in Table 2 below.
<br />XDtember 11, 2017
<br />UlNomla FE, RF Homes, Inc
<br />30 Bake parkway, Suite 2
<br />Irvine, Ulif rib. 92618-0310
<br />Attention: Rl'olpsr
<br />s.bjea: The madly
<br />FnMronmenWl Nolu A.1holl-NXIbi gaud Noise Mhg-I. Rero—Mallons
<br />VA Project ND.J.—
<br />G Chip:
<br />ne III, Asswiarez CIA) Ill romple,ee.ur model one awlyF,Ifthe wbje[', proje,t Inwled in San,a Ana,
<br />(alifornia. This report represents the —it, M our findings:
<br />14 IrgIROD—ON
<br />This s[utly was condumedtotletermine the imwn ache environmental noise on The MMlwn mixed-
<br />projectlnSanta Ana, UINlmia.VA's swpeawork included reviewing Me dteterrain antl near by
<br />_hemodeling m...d tleaN.-..la .assessing the nos. levels imwding the site,
<br />aM derermining themethoe, If any, regdrMto redwe the iMenoraM eaterim wand levels ro meet
<br />the aDdi[able cotle requiremems ofthe 5hte o1UlRornia and the Chyof Sama All.
<br />Thee I, c.nppl asmi.tl-use 11lbb,.dId cmnmerdalswces on IM1e ground level and
<br />residences on upper levels. Thedte Is bwneedbyDdhe gbs,ory parking svutturesro[he noOM1 and
<br />south, Inters,ate 1-Slothe west, ant Ubrillo Park Dnvero the ease.
<br />2.0 NOISEdLIrERIA
<br />Community Noise Equivalent Leve11CNEL)isltee 24-homequivalentlaverage)saund pressure level in
<br />wM1theevenlrg I]ly-30pm)ant Iml.Sbe(Opm-)am) noiselevel boft,i gbo.byatlelrg5
<br />and 10I,rezpectively,o thehourly Ie , Nncethis Ise24.h.urmetrl[, snort-0uration noise events
<br />((ruck pass -by, bus, [rains, ev.)arenm as prominent in theanalyns.
<br />Leq Iequ-1—Iorbm ssound 1.1) Is defined as the s,eatly souM pressure level which, overa
<br />glue.perlod of time, bas the ume,Malenergy as the acWM ft—ing ndu.
<br />Li ShteaWife-and city fS—kh, llmedgr)
<br />TheState ofCalifornia Pudding Ude(-120),°Sound Transmission")and the 15W fSt, nta Ma
<br />General Plan It, II IhIt Interior ONE It., la residential land uses are not to etteed AS CNEL in any
<br />habitable roam. if the windows must be clod ro meet an Interim level of 45 CNEL, then a mecnanicel
<br />eMlla,ii R system m aths means.. —I ventilationshall be pr.vieetl. The following hWefrom
<br />the Ge.-I t4I,,—ly lndls'aar the. requirements:
<br />[,` venekbsen Assonates Enxmnmemd xd. v rojea xa. ]Ba3054 �.A Vanaklarm A,w[btea EnxronmentalNa. nsvAMProjeHa.1
<br />`Za XSF4ember11, 30]]-0;e4 ���w MSeplmiM11, 303]-PW2agel
<br />,,JxxJ ,,J{{J ��JJrrjf�fy}}t1�YtTfl�y1,1 !y7�fF} ��jfr� °•
<br />L�LTI..LTLLI.�Llfjl .
<br />T� •.
<br />© • % '' , S 'g • g 9
<br />ZoneA ram,., �--�L ° 4 t � �9� •: � •' O
<br />Z.wO +7
<br />4.1 Predidt! OMdom Noise Level.
<br />There areoutdoor amenitvareas li.e. courryaN ant woll aswellM Dudidy a[cesuae open space. All
<br />re sNelded from the 1-5 freeway by the Drowsed mixed -use building. Theemt end will be open to
<br />0,11,011, Park Drive. The predicted sound levels within theeu[dow areas are below CNEL 65; theremre,
<br />no mlhget on is requiretl.
<br />SA INTERIORNONECA1c 011
<br />S.1 Eehriar le.deUmWaiw
<br />For the wIll,ti... t,Horm,d by VA, the emerior wall was assumed to be ron—t with the
<br />utilized for other similar wojects: metal shirgor 3cwt cement planer w th gypsum
<br />board m plywootl heaping on single— wall W. bettinsula[ion filling the rtutl l'ot , antl a ft.
<br />I— a5/&inch gypwm board on the interior.
<br />VA utilized theglaiing longs(glass, frame and seals) shown in Appen&s 1.
<br />Table 1
<br />Interior antl ENeripr Noise S.M.,&
<br />ReslNngO SII,R.lairvly."pl. nap.lamq 45r EE
<br />haANBoINI Hmglx. unollflassmoMwygrmn.s 45 M
<br />Clurh.Yday 45
<br />Open Sp —
<br />Code uates that resdencs shall rece ve aroust c 11INti beyond WIWI ronnr.ttion In areas
<br />greats Ile. 60 CNEL
<br />2.2 OryofXMaAw(ENuam)
<br />l of Me Santa Ana General Plan shown lnstttion 3.l, ind[aleslM1m the sound level in Itelior ry rig III— should not exceed 65 CNEL
<br />23 UlR-1. Green Building CMe(Interlm)
<br />The Ulff—ue Green 80ding CMe stipulahsm W., interim sound levels from —ill wurces
<br />within non-residential..pied spacl I. the project.Interior wand levelsare- Irmitted t.
<br />erceee 50,1BA Leq. TM1lswoula applYtD amenities areas, leasing offices, retell, eh.
<br />3.0 ERTERIOR NOISE ENVIRONMENT'
<br />3.1 UmpMer Modeling
<br />VA has utilitetlhml4— measurements at the projectster Annual Daily Trafic counts for I — le
<br />-5 and Ubrillo Park Onve proWeed by,he Orange Counryiranzportatiw Allhmiry (OCTA), and
<br />fN modainginordertowetliavehi[ular'Iite levels at venous Iwmionsaround the Drojemsite.
<br />A site Dlan showing nearby wise sources can be ue' in figure 1.
<br />Se e Table1belowforInerevertedtrafficcountsandcalwlated CNEL,10 theproperty Iines doses,
<br />t. the inic—mad wurces. FIX Mare traffic ronditi , a esirting roads, VA Ira.assumet! 11%
<br />increau in trafic wryear. This ylelesan inveau.f OA tlB rarer IOyears. NmethAthe natural
<br />sM1leltling proWtletl byexlsting parking rtrultures will retlucewuntl levels from I-5.
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