{"id":20617,"date":"2022-05-25T15:22:44","date_gmt":"2022-05-25T13:22:44","guid":{"rendered":"https:\/\/www.phoenixcom.cz\/press\/?p=20617"},"modified":"2022-05-25T15:23:44","modified_gmt":"2022-05-25T13:23:44","slug":"chcete-v-kancelari-dokonalou-akustiku-ridte-se-iso-normou-22955","status":"publish","type":"post","link":"https:\/\/www.phoenixcom.cz\/press\/chcete-v-kancelari-dokonalou-akustiku-ridte-se-iso-normou-22955\/","title":{"rendered":"Chcete v kancel\u00e1\u0159i dokonalou akustiku? \u0158i\u010fte se ISO normou 22955"},"content":{"rendered":"

A\u017e 70 % zam\u011bstnanc\u016f v kancel\u00e1\u0159\u00edch nen\u00ed spokojeno s akustick\u00fdmi podm\u00ednkami na sv\u00e9m pracovi\u0161ti[1]<\/a>. Bohu\u017eel jsou to ale pr\u00e1v\u011b tyto prostory, kter\u00e9 jsou pro architekty a projektanty z hlediska akustiky o\u0159\u00ed\u0161kem. Proto\u017ee nen\u00ed kancel\u00e1\u0159 jako kancel\u00e1\u0159. Jin\u00e9 akustick\u00e9 podm\u00ednky panuj\u00ed v call centru a jin\u00e9 nap\u0159\u00edklad v pobo\u010dce banky. Na\u0161t\u011bst\u00ed loni vznikla ISO norma 22955, kter\u00e1 tuto problematiku konkr\u00e9tn\u011b \u0159e\u0161\u00ed. Jasn\u011b <\/strong>definuje akustick\u00e9 podm\u00ednky vhodn\u00e9 do r\u016fzn\u00fdch kancel\u00e1\u0159sk\u00fdch prost\u0159ed\u00ed podle jejich vyu\u017eit\u00ed. A n<\/strong>av\u00edc p\u0159in\u00e1\u0161\u00ed p\u0159ehledn\u00e9 instrukce, jak t\u011bchto akustick\u00fdch hodnot dos\u00e1hnout.<\/strong><\/p>\n

Hluk v kancel\u00e1\u0159\u00edch n\u00e1m velmi pravd\u011bpodobn\u011b nezp\u016fsob\u00ed trval\u00e9 n\u00e1sledky, ale rozhodn\u011b nen\u00ed v\u00edtan\u00fdm spole\u010dn\u00edkem. Zp\u016fsobuje toti\u017e \u00fanavu, podr\u00e1\u017ed\u011bnost i ztr\u00e1tu koncentrace a ka\u017ed\u00e9 vyru\u0161en\u00ed m\u00e1 vliv na na\u0161i v\u00fdkonnost. Podle kalifornsk\u00fdch v\u011bdc\u016f trv\u00e1 zam\u011bstnanci v pr\u016fm\u011bru 33 minut, ne\u017e se po p\u0159eru\u0161en\u00ed dok\u00e1\u017ee vr\u00e1tit na p\u016fvodn\u00ed \u00farove\u0148 koncentrace[2]<\/a>. \u201eRozd\u00edly v produktivit\u011b jsou markantn\u00ed. Zejm\u00e9na pokud jde o slo\u017eit\u011bj\u0161\u00ed \u00fakoly, u nich\u017e je v\u00fdkonnost v hlu\u010dn\u00e9m prost\u0159ed\u00ed a\u017e o 50 % m\u00e9n\u011b p\u0159esn\u00e1,\u201c <\/em>vysv\u011btluje Iveta Kr\u00e1lov\u00e1, Key Segments Manager ze spole\u010dnosti Ecophon, kter\u00e1 bezm\u00e1la \u010dty\u0159icet let vyv\u00edj\u00ed a prod\u00e1v\u00e1 akustick\u00e9 syst\u00e9my na absorpci hluku.<\/p>\n

Akustika \u0161esti r\u016fzn\u00fdch typ\u016f kancel\u00e1\u0159sk\u00fdch prostor<\/strong><\/p>\n

Hluk v kancel\u00e1\u0159\u00edch tedy p\u0159edstavuje re\u00e1ln\u00fd probl\u00e9m. A\u017e do lo\u0148sk\u00e9ho roku ov\u0161em neexistoval p\u0159esn\u00fd n\u00e1stroj, kter\u00fd by definoval, jak\u00e9 akustick\u00e9 podm\u00ednky by m\u011bly v r\u016fzn\u00fdch typech kancel\u00e1\u0159\u00ed panovat i jak jich doc\u00edlit. Nov\u00e1 norma ur\u010duje celkem \u0161est r\u016fzn\u00fdch typ\u016f kancel\u00e1\u0159sk\u00fdch prostor:<\/p>\n

    \n
  1. Prostory, kde \u010dinnost je\u0161t\u011b nen\u00ed zn\u00e1ma<\/li>\n
  2. Prostory pro tele a videokomunikaci (nap\u0159. call centra, st\u0159ediska podpory)<\/li>\n
  3. Prostory pro spolupr\u00e1ci mezi osobami na nejbli\u017e\u0161\u00edm pracovn\u00edm m\u00edst\u011b (nap\u0159. marketingov\u00e1 odd\u011blen\u00ed)<\/li>\n
  4. Prostory pro \u010dinnost zalo\u017eenou na spolupr\u00e1ci v mal\u00e9m rozsahu (nap\u0159. HR, \u00fa\u010detn\u00ed odd\u011blen\u00ed)<\/li>\n
  5. Prostory pro kontakt se z\u00e1kazn\u00edkem (nap\u0159. recepce, po\u0161ty a banky)<\/li>\n
  6. Prostory pro sm\u00ed\u0161en\u00e9 \u010dinnosti (kombinace v\u00fd\u0161e uveden\u00e9ho)<\/li>\n<\/ol>\n

    Kl\u00ed\u010dov\u00fd povrch z pohledu akustiky? Strop!<\/strong><\/p>\n

    Za nejd\u016fle\u017eit\u011bj\u0161\u00ed povrch v prostoru otev\u0159en\u00fdch kancel\u00e1\u0159\u00ed z hlediska prostorov\u00e9 akustiky pova\u017euje ISO norma 22955 jednozna\u010dn\u011b strop. Ten by m\u011bl b\u00fdt v ide\u00e1ln\u00edm p\u0159\u00edpad\u011b opat\u0159en celoplo\u0161n\u00fdm podhledem. Co se t\u00fd\u010de povrchov\u00e9 \u00fapravy zd\u00ed, ta nen\u00ed tak efektivn\u00ed. Nicm\u00e9n\u011b zvuk pohlcuj\u00edc\u00ed povrchovou \u00fapravu st\u011bn norma pova\u017euje za dobr\u00fd zp\u016fsob, jak sn\u00ed\u017eit dobu dozvuku a omezit \u0161\u00ed\u0159en\u00ed zvuku prostorem v m\u00e1lo za\u0159\u00edzen\u00fdch otev\u0159en\u00fdch kancel\u00e1\u0159\u00edch. \u201eVyu\u017e\u00edvaj\u00ed se nap\u0159\u00edklad akustick\u00e9 st\u011bny a podhledy vyroben\u00e9 ze skeln\u00e9 vaty, kter\u00e1 m\u00e1 v\u00fdjime\u010dnou schopnost absorbovat zvuk. N\u011bkter\u00e9 syst\u00e9my, jako je nap\u0159\u00edklad akustick\u00e1 om\u00edtka Fade, je tak\u00e9 mo\u017en\u00e9 aplikovat na r\u016fzn\u00e9 povrchy v\u010detn\u011b klenut\u00fdch \u010di zak\u0159iven\u00fdch strop\u016f,\u201c <\/em>\u0159\u00edk\u00e1 Iveta Kr\u00e1lov\u00e1.<\/p>\n

    Z\u00e1sadn\u00ed vliv na prostorovou akustiku kancel\u00e1\u0159\u00ed nemaj\u00ed podle normy ani povrchov\u00e9 \u00fapravy podlah. \u201eAby tomu tak bylo, muselo by se jednat o vysoce specializovan\u00e1 \u0159e\u0161en\u00ed, jako jsou perforovan\u00e9 podlahy s dutinami. M\u011bkk\u00e9 podlahy pouze lehce zvy\u0161uj\u00ed absorpci hluku ve vy\u0161\u0161\u00edch frekven\u010dn\u00edch p\u00e1smech. Hlavn\u00edm akustick\u00fdm p\u0159\u00ednosem koberc\u016f je minimalizace zvukov\u00fdch odraz\u016f,\u201c <\/em>prozrazuje Iveta Kr\u00e1lov\u00e1.<\/p>\n

    ISO norma 22955 naopak p\u0159ikl\u00e1d\u00e1 velk\u00fd v\u00fdznam dispozi\u010dn\u00edmu \u0159e\u0161en\u00ed pracovn\u00edch stanic nebo geometrii prostoru: \u201eNorm\u00e1ln\u00ed v\u00fd\u0161ka stropu v otev\u0159en\u00fdch kancel\u00e1\u0159\u00edch s velkou plochou zvy\u0161uje soukrom\u00ed pro rozhovor. Norma proto doporu\u010duje vyh\u00fdbat se vy\u0161\u0161\u00edm ne\u017e standardn\u00edm strop\u016fm. Tak\u00e9 doslova uv\u00e1d\u00ed, \u017ee je t\u0159eba se vyvarovat dlouh\u00fdch a \u00fazk\u00fdch tvar\u016f kancel\u00e1\u0159sk\u00fdch prostor, proto\u017ee podporuj\u00ed \u0161\u00ed\u0159en\u00ed zvuku,\u201c <\/em>\u0159\u00edk\u00e1 Iveta Kr\u00e1lov\u00e1.<\/p>\n

    Nov\u00fd parametr: Akustick\u00fd \u00fatlum mezi pracovi\u0161ti<\/strong><\/p>\n

    Norma ISO 22955 zav\u00e1d\u00ed zcela nov\u00fd parametr pro hodnocen\u00ed akustick\u00e9 kvality kancel\u00e1\u0159\u00ed \u2013 tzv. akustick\u00fd \u00fatlum mezi pracovi\u0161ti (DA,S<\/sub>). Na rozd\u00edl od mnoha dal\u0161\u00edch parametr\u016f prostorov\u00e9 akustiky (nap\u0159. doby dozvuku nebo hladiny hluku na pozad\u00ed) ud\u00e1v\u00e1 DA,S<\/sub> rozd\u00edl hlukov\u00e9 hladiny mezi jej\u00edm zdrojem a p\u0159\u00edjemcem. Pro vyhodnocen\u00ed akustiky ve v\u011bt\u0161in\u011b prostor otev\u0159en\u00fdch kancel\u00e1\u0159\u00ed bude tedy t\u0159eba n\u011bkolik hodnot DA,S<\/sub>.<\/p>\n

    Jak uv\u00e1d\u00ed tabulka n\u00ed\u017ee, tento ukazatel poskytuje akustik\u016fm n\u00e1stroj k vyhodnocen\u00ed, jestli jsou \u010dinnosti odd\u011bleny dostate\u010dn\u00fdm stupn\u011bm akustick\u00e9ho tlumen\u00ed. Hodnocen\u00ed akustick\u00e9ho designu na z\u00e1klad\u011b tohoto parametru je mo\u017en\u00e9 vyu\u017e\u00edt pro specifikov\u00e1n\u00ed rozd\u00edlu \u010dinnost\u00ed mezi dv\u011bma pracovi\u0161ti z hlediska poklesu hlu\u010dnosti.<\/p>\n

    Norma nejen pro odborn\u00edky<\/strong><\/p>\n

    ISO normu 22955 bezezbytku ocen\u00ed akustici, architekti, projektanti a dal\u0161\u00ed profesion\u00e1lov\u00e9. Zaj\u00edmav\u00e9 ov\u0161em je, \u017ee nov\u00e1 norma je vhodn\u00e1 i pro laiky. To je mimo\u0159\u00e1dn\u011b d\u016fle\u017eit\u00e9, proto\u017ee nap\u0159\u00edklad v p\u0159\u00edpad\u011b rekonstrukc\u00ed \u010dasto o investici do prostorov\u00e9 akustiky nerozhoduje profesion\u00e1l, ale z\u00e1stupce veden\u00ed firmy.<\/p>\n

    \u201eManagement zkr\u00e1tka vyc\u00edt\u00ed pot\u0159ebu s nevyhovuj\u00edc\u00ed akustikou n\u011bco ud\u011blat, ale nev\u00ed, na z\u00e1klad\u011b \u010deho se rozhodovat. T\u00edmto \u00fakolem b\u00fdv\u00e1 \u010dasto pov\u011b\u0159en finan\u010dn\u00ed \u0159editel, kter\u00fd ov\u0161em jen z\u0159\u00eddka tu\u0161\u00ed, co od dodavatel\u016f popt\u00e1vat. Toto nov\u00e1 norma m\u011bn\u00ed,\u201c<\/em> vysv\u011btluje Kr\u00e1lov\u00e1 a pokra\u010duje: \u201eObsahuje toti\u017e p\u0159ipraven\u00fd detailn\u00ed dotazn\u00edk, kter\u00fd m\u016f\u017ee management rozdat sv\u00fdm zam\u011bstnanc\u016fm. Na z\u00e1klad\u011b odpov\u011bd\u00ed veden\u00ed l\u00e9pe pochop\u00ed, jak\u00e9 zvuky nebo jak\u00e9 prostory jsou z pohledu akustiky pro pracuj\u00edc\u00ed nejv\u00edc problematick\u00e9 a jak\u00e9 maj\u00ed v t\u00e9to oblasti preference. Popt\u00e1van\u00fd dodavatel stavebn\u00edch \u00faprav pak bude p\u0159esn\u011b v\u011bd\u011bt, jak\u00e9 priority p\u0159i zak\u00e1zce \u0159e\u0161it. Norma tedy z\u00e1sadn\u011b usnad\u0148uje \u017eivot jak zadavatel\u016fm, tak dodavatel\u016fm, co\u017e z n\u00ed \u010din\u00ed doslova revolu\u010dn\u00ed n\u00e1stroj v oblasti prostorov\u00e9 akustiky kancel\u00e1\u0159\u00ed.\u201c<\/em><\/p>\n

    [1]<\/a> Leesman Index \u2013 Global Workplace Survey, 2020<\/p>\n

    [2]<\/a> The effect of noise absorption variation in open-plan offices: A field study with a cross-over design, Seddigh A. a kol., Journal of Environmental Psychology 44 (2015)<\/p>\nSt\u00e1hnout tiskovou zpr\u00e1vu<\/a>\nSt\u00e1hnout tabulku<\/a>\nngg_shortcode_0_placeholder\n","protected":false},"excerpt":{"rendered":"

    A\u017e 70 % zam\u011bstnanc\u016f v kancel\u00e1\u0159\u00edch nen\u00ed spokojeno s akustick\u00fdmi podm\u00ednkami na sv\u00e9m pracovi\u0161ti[1]. Bohu\u017eel jsou to ale pr\u00e1v\u011b tyto prostory, kter\u00e9 jsou pro architekty a projektanty z hlediska akustiky o\u0159\u00ed\u0161kem. Proto\u017ee nen\u00ed kancel\u00e1\u0159 jako kancel\u00e1\u0159. Jin\u00e9 akustick\u00e9 podm\u00ednky panuj\u00ed v call centru a jin\u00e9 nap\u0159\u00edklad v pobo\u010dce banky. Na\u0161t\u011bst\u00ed loni vznikla ISO norma 22955, kter\u00e1 tuto problematiku […]<\/p>\n","protected":false},"author":3,"featured_media":20615,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"ngg_post_thumbnail":0},"categories":[252],"tags":[],"_links":{"self":[{"href":"https:\/\/www.phoenixcom.cz\/press\/wp-json\/wp\/v2\/posts\/20617"}],"collection":[{"href":"https:\/\/www.phoenixcom.cz\/press\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.phoenixcom.cz\/press\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.phoenixcom.cz\/press\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.phoenixcom.cz\/press\/wp-json\/wp\/v2\/comments?post=20617"}],"version-history":[{"count":2,"href":"https:\/\/www.phoenixcom.cz\/press\/wp-json\/wp\/v2\/posts\/20617\/revisions"}],"predecessor-version":[{"id":20619,"href":"https:\/\/www.phoenixcom.cz\/press\/wp-json\/wp\/v2\/posts\/20617\/revisions\/20619"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.phoenixcom.cz\/press\/wp-json\/wp\/v2\/media\/20615"}],"wp:attachment":[{"href":"https:\/\/www.phoenixcom.cz\/press\/wp-json\/wp\/v2\/media?parent=20617"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.phoenixcom.cz\/press\/wp-json\/wp\/v2\/categories?post=20617"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.phoenixcom.cz\/press\/wp-json\/wp\/v2\/tags?post=20617"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}