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Subtitle A—Office of the Secretory
<br />Choices will be consisfenl with these
<br />standards.
<br />(d) Technical assistance. 'L'rchnic:ll
<br />assistance in the measurement., esti-
<br />mation, i'it erl,retation, or prediction
<br />Of noise exposure is available from the
<br />Office of Conurttlnity Planning; and
<br />Developnlerll and the Office of Policy
<br />DtivelupnM•nt and Research. Field
<br />offi('c qlu:titions shall be forwarded
<br />1,111•otlt;fl the Itel;tortal Office I the As-
<br />:.:•;t:u1( ;Secretary lilt- Community Plan-
<br />ning; and I )eeelopinent or his designee.
<br />(e) /?IL rvlcl,orinu'ntal coordination.
<br />I.:cl;ional Adr;iaw;Iralors sll:til foster
<br />al'1lroprla1r roordinatJoel between field
<br />offices :old other departments and
<br />agencies, parlil•lllat-ly Lhe 1•Invirottnten.
<br />Lal Prolve ion Agency, the I)eg>at•t-
<br />Ioenl of '1'r-MISPor1at•ion. Departmeul
<br />of Uefensr repre:cenlafivl:s. and Ilw
<br />Vvitir:tu:: Adminisinition. IIIIU stall
<br />shall utilize Lhe acceplahilily sland
<br />arils in c•onillivill irig on the pro:;gu•cl h c
<br />iln;xtcls of transportation twilihe�%
<br />anti other solst• w,neralors ill the 1•.11•
<br />vu•onmetit:tl Ilnp:tel Slalenlenl revle.t'
<br />!i 5I.141:1 4'rill•ria and hand:u•ds.
<br />'11:41se slwk'Lilds apply to all pro.
<br />i.farlo.i :;:. indivaled o► : 5!. fill.
<br />_ cc,l) :1lrrtsurr "� c.lYcrnu! rtotsc cfrei-
<br />ron 'Rents. Thr Ill: 1!1ifI u;
<br />ll' of I is ex-
<br />t� In:II uoi::r ,-ironlliviii it a site is
<br />lel r,nuncll b� Illc value of IIre dav_
<br />loran :,ler::tae sounl) level produced as
<br />_—
<br />0W rrsull of the .l(•l 11111ul1lotoise
<br />trc,nt all CI;l1rc1 :S cont runt*-) to f _
<br />l ::fernal l/el:•r environmew al he site.
<br />Day -night aver:ive sound level, abbre.
<br />Viated as W11. and S1'mbollzi d ' s L,,,, ,
<br />.s Cie 24 hour acerae s6tifij lei t,1. in
<br />Ai TI .-k. obtained after addition of 10
<br />:hrihel> to sound levels ht file nighl.
<br />from 11) g,.nt. to 4 a.,,,. Mathemallcal
<br />g,resion • for average sound level
<br />§ 51.103
<br />alld day nighf atfr;lge solind Icvlrl arc
<br />slated in Ih,.. Appi ildix.
<br />(b) Luuri sort►tlls. On an
<br />i iLrlrit iia r%., w'I� a I�nul irnpul:ave
<br />sounds. such as exl•losions or sonic
<br />boosts. are exguv'ieuced at. a Sil.e, [lit -
<br />(I .1ysig;llt_ atl•rr, ,nlntd level pro. -
<br />duced by lu•1d n)►ulsive sounds
<br />alone shall ll:tvi• 11-deribcl:; added to i
<br />_fn atiscssing; the -t!:Lv tahitil.v of the
<br />site. (see Appendix ). Alternatively, 1 he
<br />C-weivilled &IS 1111:111 average sotll►d
<br />level (L,,,„) slay h.• usrd wil.hotlt. the tf
<br />decibel addihon. :t:. inllicaled in See -
<br />lion 51.1OG1;111;t) Me I hod% for ass.••;s•
<br />iDg; the eonlrlbll!,:In of !old inl.,utsitr
<br />sounds to (1;1> 11:011. average :sound
<br />If•vf'I al a :;it(- x1,11 lliathcntatiral ex
<br />pression.” lot* ,lel. ! nonir►Ic whether a
<br />sound i:, cla,:;sed at "loud impulsive..
<br />:ire providf.t to Ihl Ac,in•ndix.
<br />(c) A*.•'!.•,tor •tWidlilds. (l) '1114•
<br />degree of teee11(al'ilify of the Iroise ell-
<br />viroluoenl ::1 a siir i, determined by
<br />lilt, soured !e•,l+, rxferlial to imildings
<br />of of hlv f;w11ll les contailltttic lloise ;,-If-
<br />::itit, The:a;llld<udsshall usualiv
<br />:1>�,ly n1,a Io<:Lliou 'l lneters (fi.5 feet)
<br />11'utll 1111 11111tAlla; IIUIItiII1R Itllltie tientil-
<br />tltl Ili till' direction of Ohl!
<br />Irl <i1�11�iici!�1_ noitie _:Duret. Where the
<br />building local loll Is ull�determined, Ile
<br />Amidards :h::ll ;apply 2 meters (6.5
<br />Ili"" Iron) the b;llldinl; setback like
<br />rival 1st Io the pirdominaltl. poise
<br />sollt-ee. 'f lel• :Aa nI'll d:; :.I►all also apply
<br />at other local i:m:: tk here it is
<br />ttliurd (1::11 (Iulel :. A000r spare is re.
<br />(Iuirt'd in :u1 al. a ;: il'lll;lly lu the pliu
<br />Opal lea• 1111 1,114 ::11,•
<br />buildini; t:; con>allrrl d :ucepi:ogle if: (i)
<br />The ►loisr enviloilloom exl.ernal to the
<br />building; c.,ntg,lies with these Static;
<br />arils, aial (it) lilt, hutl(ling is consU'uct
<br />e(1 in a nimowl ruuunun to the area or.
<br />if of ulle(IM lett constidelion, has at
<br />least, the e(luivalenf noise attenuation
<br />characterim ivs.
<br />SIZE AccEPTABIIIfV STANDARD:;
<br />Day -14711 o,waite a.)und gavel (III rl.y •l,•dsr SP -11 'at appnwal5 and
<br />11!IIUIrU1M91tS
<br />Af.CMp1:N,10
<br />NO u.ply: hr•p til Jf9(1) fJ �.••
<br />Nonnn('y Undo,,::td,lo I Abovu bS (1,U bol (cl u,lcra.d.np P. q cmf Approvals (P)
<br />1 ""H'uu..• ..ial flow"W ('l)
<br />Mlors,aUun (4)
<br />tlnnt...,ploblo AW -75 illi:ll App. oval. (:1)
<br />225
<br />AL
<br />/vI /t if �- // - /�-/ - �- `-1
<br />71,m /i ,I r L�
<br />/vI /t if �- // - /�-/ - �- `-1
<br />71,m /i ,I r L�
<br />
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