Laserfiche WebLink
%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. <br />y � <br />Q <br />9 <br />Aumdeak Owall6eme Pne MetlHanAwnmmp230,0,-Ektlhan Nh.M <br />G2.20 <br />