{"id":10105,"date":"2025-11-13T09:59:59","date_gmt":"2025-11-13T09:59:59","guid":{"rendered":"https:\/\/allin.online\/standard\/goleuo-a-chyferbyniad\/"},"modified":"2026-10-14T14:51:53","modified_gmt":"2026-10-14T14:51:53","slug":"goleuo-a-chyferbyniad","status":"publish","type":"standard","link":"https:\/\/allin.online\/cy\/standard\/amgylchedd-adeiledig\/symud-o-gwmpas\/goleuo-a-chyferbyniad\/","title":{"rendered":"Goleuo a Chyferbyniad"},"content":{"rendered":"\n<div class=\"wp-block-ace-standard-fixed-content flex content-content bg_white padding indent two-column\"><div class=\"content_wrapper\"><h3 id=\"page_sub_nav\" class=\"mobile_only\">3.03 Goleuo a Chyferbyniad<\/h3><select aria-labelledby=\"page_sub_nav\" class=\"mobile_only\" id=\"nav_select\"><option value=\"#overview\">Trosolwg<\/option><option value=\"#examples\">Enghreifftiau ymarferol<\/option><option value=\"#key_considerations\">Ystyriaethau allweddol<\/option><option value=\"#definitions_list\">Diffiniadau ac acronymau<\/option><option value=\"#learning_resources\">Adnoddau dysgu<\/option><option value=\"#references\">Cyfeiriadau allanol<\/option><\/select><div class=\"action_links mobile_only\"><a href=\"https:\/\/form.jotform.com\/252393341563356?standard=Amgylchedd Adeiledig 3.03 Goleuo a Chyferbyniad\" class=\"feedback_link button bg_secondary white\">Rhowch adborth i ni ar y Safon hon<\/a><a href=\"https:\/\/allin.online\/cy\/standard\/amgylchedd-adeiledig\/\" class=\"return_link\">Yn \u00f4l i Amgylchedd Adeiledig<\/a><\/div>\n<div id=\"overview\" class=\"wp-block-ace-standard-overview standard-content\"><h3>Trosolwg<\/h3>\n<p class=\"wp-block-paragraph\">Mae&#8217;r canllaw hwn yn esbonio sut mae goleuadau&#8217;n effeithio ar hygyrchedd gofod.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">I bobl ddall neu \u00e2 nam ar eu golwg, mae lefelau golau digonol yn hanfodol. Maen nhw&#8217;n helpu i synhwyro siapiau gofod ac, i rai, gweld manylion yn gliriach. I bobl fyddar a&#8217;r rhai sy&#8217;n drwm eu clyw, mae goleuadau da yn cynorthwyo i ddeall iaith arwyddion a darllen gwefusau. Mae goleuadau hefyd yn effeithio ar ymwelwyr niwrowahanol, gan y gall goleuadau llym neu sy&#8217;n fflachio achosi anghysur synhwyraidd. Gall goleuadau sy&#8217;n fflachio neu effeithiau strob sbarduno meigryn, awr\u00e2u gweledol, neu drawiadau. Felly, mae dylunio goleuadau yn ofalus yn hanfodol ar gyfer hygyrchedd.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Mae goleuadau yn dylanwadu ar ba mor dda mae gwahanol arwynebau&#8217;n cyferbynnu. Os yw goleuadau artiffisial yn newid sut mae lliwiau&#8217;n ymddangos, gall ei gwneud hi&#8217;n anodd gwahaniaethu rhwng arwynebau, hyd yn oed os oes gan yr arwynebau <span title=\"Gwerth Adlewyrchiad Golau (LRV)\" data-definition-name=\"Light Reflectance Value (LRV)\" data-definition=\"gwerth-adlewyrchiad-golau-lrv\" data-definition-id=\"9660\" class=\"ace-definition-inserter\"><\/span>da. Gall hyn leihau gwelededd a rhwystro hygyrchedd.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Mae nodweddion y goleuo yn <span title=\"Dogfen Gymeradwy M (ADM)\" data-definition-name=\"Approved Document M ADM\" data-definition=\"dogfen-gymeradwy-m-adm\" data-definition-id=\"9511\" class=\"ace-definition-inserter\"><\/span>, <span data-definition=\"dogfen-canllawiau-technegol-m-tgd-m\" title=\"Dogfen Canllawiau Technegol M (TGD M)\" data-definition-name=\"Technical Guidance Document M (TGD M)\" data-definition-id=\"9807\" class=\"ace-definition-inserter\"><\/span>, a <span title=\"BS8300\" data-definition-name=\"BS8300\" data-definition=\"bs8300\" data-definition-id=\"8521\" class=\"ace-definition-inserter\"><\/span> yn seiliedig ar egwyddorion dylunio i sicrhau y gall ymwelwyr:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>lywio lleoliadau<\/li>\n\n\n\n<li>adnabod cyfleusterau allweddol, fel toiledau<\/li>\n\n\n\n<li>adnabod allanfeydd brys<\/li>\n\n\n\n<li>adnabod peryglon neu rwystrau<\/li>\n\n\n\n<li>gweld wynebau&#8217;n glir ar gyfer darllen gwefusau<\/li>\n\n\n\n<li>teimlo&#8217;n gyfforddus yn y gofod heb ofid synhwyraidd na thrawiadau a achosir gan strob<\/li>\n<\/ul>\n<\/div>\n\n\n\n<div id=\"examples\" class=\"wp-block-ace-standard-examples bg_grey inner-padding standard-examples\"><h3>Enghreifftiau ymarferol<\/h3>\n<div class=\"wp-block-ace-standard-example standard-example\">\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-8f761849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<div class=\"wp-block-ace-image content-image alt-block\"><figure class=\"fill block-image alt-block\"><img decoding=\"async\" src=\"https:\/\/allin.online\/wp-content\/uploads\/2025\/11\/ACE-All-In-254-scaled.jpg\" alt=\"A staff member serves a visitor at a well-lit cafe counter that supports accessible communication.\"\/><div class=\"alt_block\"><button class=\"alt_trigger\" aria-label=\"Amgen\">Amgen<\/button><div class=\"alt_modal\" id=\"image_block_5915\" role=\"dialog\" aria-label=\"Alt text\" aria-describedby=\"desc_image_block_5915\"><p id=\"desc_image_block_5915\">A staff member serves a visitor at a well-lit cafe counter that supports accessible communication.<\/p><button class=\"close\">Cau <span class=\"screen-reader-text\">Amgen<\/span><\/button><\/div><\/div><\/figure><\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<div class=\"wp-block-ace-content-blocks border-top\">\n<div class=\"wp-block-ace-intro content-intro\"><p><strong>Disgrifiad o&#8217;r ddelwedd:<\/strong> Mae aelod o staff yn helpu ymwelydd wrth gownter caffi llachar sydd wedi&#8217;i gynllunio ar gyfer cyfathrebu hawdd.<\/p><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<div id=\"key_considerations\" class=\"wp-block-ace-standard-key-considerations standard-key-considerations standard-content\"><h3>Ystyriaethau allweddol<\/h3>\n<p class=\"wp-block-paragraph\">Mae canllawiau dylunio a mesuriadau allweddol ar gyfer y nodweddion isod wedi&#8217;u manylu yn <span title=\"Dogfen Gymeradwy M (ADM)\" data-definition-name=\"Approved Document M ADM\" data-definition=\"dogfen-gymeradwy-m-adm\" data-definition-id=\"9511\" class=\"ace-definition-inserter\"><\/span>, <span data-definition=\"dogfen-canllawiau-technegol-m-tgd-m\" title=\"Dogfen Canllawiau Technegol M (TGD M)\" data-definition-name=\"Technical Guidance Document M (TGD M)\" data-definition-id=\"9807\" class=\"ace-definition-inserter\"><\/span>, a <span title=\"BS8300\" data-definition-name=\"BS8300\" data-definition=\"bs8300\" data-definition-id=\"8521\" class=\"ace-definition-inserter\"><\/span>.<\/p>\n\n\n\n<h4 class=\"wp-block-ace-heading\">Nodweddion cyffredinol<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Dylai fod <span title=\"Cyferbyniad gweledol\" data-definition-name=\"Visual contrast\" data-definition=\"cyferbyniad-gweledol\" data-definition-id=\"9779\" class=\"ace-definition-inserter\"><\/span> rhwng arwynebau o wahanol liwiau, gyda chymorth goleuadau.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Lleihewch y llewyrch o olau artiffisial a naturiol. Anelwch at ddosbarthiad golau cyfartal, gan osgoi smotiau llachar a chysgodion dwfn. Gwnewch yn si\u0175r fod goleuadau artiffisial yn gweithio&#8217;n dda gyda gosodiadau electronig ac amledd radio eraill. Lleihewch fflachio golau a newidiwch bylbiau diffygiol yn gyflym. Os na allwch chi roi golau newydd yn lle golau sy&#8217;n fflachio, ceisiwch ei dynnu. Hefyd, nodwch y gall goleuadau i fyny sydd wedi&#8217;u gosod yn isel neu ar lefel y llawr ddrysu rhai pobl ddall a phobl \u00e2 golwg rhannol.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Wrth ddefnyddio switshys pylu, osgowch ffitiadau sy&#8217;n hepgor s\u0175n grwnan neu hymian. Yn aml, gall pobl \u00e2 synnwyr clywedol cryfach ganfod y s\u0175n hwn, gan achosi poen, anghysur neu wrthdyniad.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Sicrhewch drawsnewidiadau ysgafn rhwng ardaloedd golau a thywyll i alluogi golwg ymwelwyr i addasu&#8217;n raddol.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Dylai goleuadau artiffisial ddefnyddio lampau sy&#8217;n darparu rendro lliw da. Argymhellir <span data-definition=\"mynegai-rendro-lliw-cri\" title=\"Mynegai rendro lliw (CRI)\" data-definition-name=\"Colour rendering index (CRI)\" data-definition-id=\"9798\" class=\"ace-definition-inserter\"><\/span> o leiaf 80 <span data-definition=\"gwerth-ra\" title=\"Ra\" data-definition-name=\"Ra value\" data-definition-id=\"9811\" class=\"ace-definition-inserter\"><\/span> ar gyfer ardaloedd cyffredinol, gan gynyddu i 90 Ra neu uwch lle mae ansawdd lliw yn hanfodol, fel stiwdios, orielau a mannau arddangos. Sylwch y gall golau uwchfioled (UV), meysydd electromagnetig, a golau glas achosi anghysur, yn enwedig i bobl \u00e2 meigryn neu sensitifrwydd synhwyraidd.<\/p>\n\n\n\n<h4 class=\"wp-block-ace-heading\">Mynedfeydd a lob\u00efau<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Defnyddiwch oleuadau trosiannol mewn cynteddau. Mae hyn yn helpu i greu cyferbyniad llyfn o&#8217;r tu allan i&#8217;r tu mewn.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Gwnewch yn si\u0175r fod y goleuadau&#8217;n glir ond nid yn rhy llachar mewn mannau sydd wedi&#8217;u dynodi ar gyfer dehongli iaith arwyddion, fel desgiau derbynfa. Sylwch y gall goleuadau i fyny greu cysgodion, gan ei gwneud hi&#8217;n anoddach cael mynediad at ddehongliad iaith arwyddion.<\/p>\n\n\n\n<h4 class=\"wp-block-ace-heading\">Cyfleusterau toiled<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Mewn cyfleusterau toiled, osgowch ddefnyddio goleuadau amseredig neu synhwyrydd symudiad. Os oes angen, ystyriwch oleuadau canfod is-goch goddefol (PIR) neu thermol yn lle hynny. Dylai&#8217;r synwyryddion fod wedi&#8217;u lleoli yn union y tu mewn i&#8217;r drws gan ddefnyddio oedi wrth sbarduno. Dylid gosod y goleuadau i lefel pylu isel (llai na 10% o ddwyster) pan nad ydynt wedi&#8217;u sbarduno, yn hytrach na bod yn hollol dywyll. Defnyddiwch drawsnewidiad o dair i bum eiliad o&#8217;r canfyddiad synhwyrydd cychwynnol ar gyfer unrhyw newidiadau i ddwyster golau. Pan fo amlder y defnydd yn fwy neu&#8217;n para&#8217;n hirach, ymestynnwch y pylu i mewn ac allan i 10 eiliad.<\/p>\n<\/div>\n\n\n\n<div id=\"specification_table\" class=\"wp-block-ace-specification-table bg_white specification_table hide\"><h3>Safonol &#8211; manylebau<\/h3><div class=\"bg_grey inner-padding\"><table class=\"specification-table\"><tbody><\/tbody><\/table><\/div><\/div>\n\n\n\n<div id=\"influencing_accessible_practice\" class=\"wp-block-ace-standard-influencing-accessible-practice standard-influencing-accessible-practice standard-content hide\"><h3>Dylanwadu ar arfer hygyrch<\/h3>\n<h4 class=\"wp-block-ace-heading\"><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n<\/div>\n\n\n\n<div id=\"definitions_list\" class=\"wp-block-ace-definitions-list bg_white\"><h3>Diffiniadau ac acronymau<\/h3><div class=\"ace-definitions-list bg_grey inner-padding\"><div class=\"ace-definition-item\"><h4>BS8300<\/h4><div><p>Mae hyn yn cyfeirio at \u201cBS 8300:2018 Dylunio amgylchedd adeiledig hygyrch a chynhwysol\u201d. Mae\u2019n god ymarfer a ddarperir gan y Sefydliad Safonau Prydeinig. Tra bo ADM yn rhan o reoliadau adeiladu, mae BS8300 yn safon arferion gorau.<\/p>\n<\/div><\/div><div class=\"ace-definition-item\"><h4>Cyferbyniad gweledol<\/h4><div><p>Gwahaniaeth gweledol rhwng lliw neu arlliw arwynebau.<\/p>\n<\/div><\/div><div class=\"ace-definition-item\"><h4>Dogfen Canllawiau Technegol M (TGD M)<\/h4><div><p>Yn cyfeirio at \u2018<a href=\"https:\/\/www.gov.ie\/en\/department-of-housing-local-government-and-heritage\/publications\/technical-guidance-document-m-access-and-use\/\">Technical Guidance Document M (Ireland) Access and Use<\/a>\u2019, sy&#8217;n helpu i sicrhau y gall pobl gael mynediad at adeiladau a&#8217;u cyfleusterau.<\/p>\n<\/div><\/div><div class=\"ace-definition-item\"><h4>Dogfen Gymeradwy M (ADM)<\/h4><div><p>Mae hyn yn cyfeirio at \u201cDdogfen Gymeradwy M: Mynediad i adeiladau a\u2019u defnyddio, Cyfrol 2\u201d. Fe\u2019i hadwaenir weithiau fel Rhan M a dyma\u2019r prif reoliad adeiladu yn Lloegr i sicrhau bod pobl yn gallu cael mynediad i adeiladau a\u2019u cyfleusterau a\u2019u defnyddio.<\/p>\n<\/div><\/div><div class=\"ace-definition-item\"><h4>Gwerth Adlewyrchiad Golau (LRV)<\/h4><div><p>Mesuriad o faint o olau gweledol y mae arwyneb yn ei adlewyrchu yw Gwerth Adlewyrchiad Golau (LRV). Fe&#8217;i mynegir fel canran o 0% (cwbl ddu, yn amsugno&#8217;r holl olau) i 100% (cwbl wyn, yn adlewyrchu&#8217;r holl olau).<\/p>\n<\/div><\/div><div class=\"ace-definition-item\"><h4>Mynegai rendro lliw (CRI)<\/h4><div><p>Mesuriad o ba mor dda y gall golau penodol ddangos gwir liwiau gwrthrych yw&#8217;r Mynegai Rendro Lliw (CRI). Mae&#8217;n defnyddio graddfa o 0 i 100, lle mae sg\u00f4r o 100 yn gyfystyr \u00e2 chywirdeb lliw di-wall. Y gwerth Ra yw&#8217;r enw ar y rhif ar y raddfa hon.<\/p>\n<\/div><\/div><div class=\"ace-definition-item\"><h4>Ra<\/h4><div><p>Mesuriad yw gwerth Ra golau o ba mor dda mae&#8217;n dangos gwir liw gwrthrych, ar gyfartaledd. Mae&#8217;n defnyddio graddfa o 0 i 100, lle mae sg\u00f4r o 100 yn golygu bod y golau yn dangos gwir liwiau gwrthrychau yn gywir.<\/p>\n<\/div><\/div><\/div><\/div>\n\n\n\n<div id=\"learning_resources\" class=\"wp-block-ace-standard-learning-resources standard-content\"><h3>Adnoddau dysgu<\/h3><div class=\"links-on-newtab-text\"><\/div>\n<h4 class=\"wp-block-ace-heading\">Lloegr<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/assets.publishing.service.gov.uk\/media\/66f6c5eec71e42688b65ee11\/ADM__V2_with_2024_amendments.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">Approved Document M (ADM)<\/a>\n<ul class=\"wp-block-list\">\n<li>Tudalen 33, Adran 3.26<\/li>\n\n\n\n<li>Tudalennau 38-39, Adran 4.9<\/li>\n\n\n\n<li>Tudalennau 44-45, Adran 4.30<\/li>\n\n\n\n<li>Tudalen 45, Adran 4.34<\/li>\n\n\n\n<li>Tudalen 46, Adran 4.36<\/li>\n\n\n\n<li>Tudalennau 47-48, Adran 5.4<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-ace-heading\">Cymru<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/www.gov.wales\/sites\/default\/files\/publications\/2019-05\/building-regulations-guidance-part-m-access-to-and-use-of-buildings.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">Approved Document M (ADM) Wales (Dolen allanol yn Saesneg)<\/a>\u202f\n<ul class=\"wp-block-list\">\n<li>Tudalen 47, Adran 3.26\u00a0<\/li>\n\n\n\n<li>Tudalen 54, Adran 4.9\u00a0<\/li>\n\n\n\n<li>Tudalen 60-61, Adran 4.30\u00a0<\/li>\n\n\n\n<li>Tudalen 61, Adran 4.34\u00a0<\/li>\n\n\n\n<li>Tudalen 63, Adran 5.4\u00a0<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-ace-heading\">Yr Alban<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/www.gov.scot\/binaries\/content\/documents\/govscot\/publications\/advice-and-guidance\/2024\/11\/building-standards-technical-handbook-january-2025-non-domestic\/documents\/building-standards-technical-handbook-january-2025-non-domestic\/building-standards-technical-handbook-january-2025-non-domestic\/govscot%3Adocument\/Building%2BStandards%2B-%2BCore%2BDocuments%2B-%2BNon-domestic%2BTechnical%2BHandbook%2B-%2BJanuary%2B2025%2B-%2BFor%2BPublication.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">Non-Domestic Technical Handbook (Scotland) (Dolen allanol yn Saesneg)<\/a>\u202f\u00a0\n<ul class=\"wp-block-list\">\n<li>Tudalen 411-412, Adran 4.8.6<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-ace-heading\">Gogledd Iwerddon<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/www.buildingcontrol-ni.com\/assets\/pdf\/TechnicalBookletR2012.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">Technical Booklet R (Northern Ireland) (Dolen allanol yn Saesneg)<\/a>\u202f\n<ul class=\"wp-block-list\">\n<li>Tudalen 46, Adran 5.38-5.40<\/li>\n\n\n\n<li>Tudalen 46-47, Adran 5.43-5.45<\/li>\n\n\n\n<li>Tudalen 48, Diagram 5.8<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-ace-heading\">Iwerddon<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/assets.gov.ie\/static\/documents\/technical-guidance-document-m-access-and-use-2022.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">Technical Guidance Document M (TGD M) 2022 (Dolen allanol yn Saesneg)<\/a>\u00a0\n<ul class=\"wp-block-list\">\n<li>Tudalen 28, Section 1.1.3.1, goleuadau ar rampiau, grisiau a glaniadau<\/li>\n\n\n\n<li>Tudalen 49, Section 1.2.3, mynedfeydd hygyrch<\/li>\n\n\n\n<li>Tudalen 66, Section 1.3.3.3, Lefelau Lux mewn coridorau a thramwyfeydd<\/li>\n\n\n\n<li>Tudalen 72, Section 1.3.4.2, Manylion lifft teithwyr \u2013 gorffeniadau wal\u00a0<\/li>\n\n\n\n<li>Tudalen 85, Section 1.4.4, rheolyddion goleuo a lefelau lux mewn toiledau<\/li>\n\n\n\n<li>Tudalen 108, Section 1.4.10, Newid Lleoedd \u2013 ystyriaethau lleoliad ac amseru<\/li>\n\n\n\n<li>Tudalen 123-124, Section 5.7, uchderau rheoli, arddull<\/li>\n\n\n\n<li>Tudalen 125, Diagram 32 Uchderau i Ganol Socedi, Switshys a Rheolaethau<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-ace-heading\">Rhagor o adnoddau<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/www.thenbs.com\/PublicationIndex\/documents\/details?Pub=BSI&amp;DocID=320547\" target=\"_blank\" rel=\"noreferrer noopener\">BS8300 \u2013 Part 2 (Dolen allanol yn Saesneg)<\/a>\u202f(Gellir prynu safonau BSI ar-lein. Mae cop\u00efau cyfeirio ar gael mewn llyfrgelloedd lleol)\u202f\n<ul class=\"wp-block-list\">\n<li>Tudalennau 65-66 (adran 14 i 14.4)<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><a href=\"https:\/\/knowledge.bsigroup.com\/products\/lighting-for-buildings-code-of-practice-for-daylighting\" target=\"_blank\" rel=\"noreferrer noopener\">BS8206-2: 2008 Goleuadau ar gyfer adeiladau (Dolen allanol yn Saesneg)<\/a>\u00a0<\/li>\n\n\n\n<li><a href=\"https:\/\/www.thenbs.com\/PublicationIndex\/documents\/details?Pub=RGIE&amp;DocId=283530\" target=\"_blank\" rel=\"noreferrer noopener\">Gr\u0175p Ymchwil ar gyfer Amgylcheddau Cynhwysol. Lliw, cyferbyniad a chanfyddiad.<\/a>\u00a0\u00a0<\/li>\n\n\n\n<li><a href=\"https:\/\/www.bsigroup.com\/en-GB\/insights-and-media\/insights\/brochures\/pas-6463-design-for-the-mind-neurodiversity-and-the-built-environment\/\">PAS6463 Dylunio ar gyfer y meddwl<\/a>\n<ul class=\"wp-block-list\">\n<li>Tudalen 65, Adran 11.6, s\u0175n o ffitiadau<\/li>\n\n\n\n<li>Tudalen 65, Adran 11.7, rendro lliw<\/li>\n\n\n\n<li>Tudalen 67, Adran 11.9 canfod, safle, lefelau trawsnewid<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/div>\n\n\n\n<div id=\"skills_development\" class=\"wp-block-ace-standard-skills-development standard-skills-development standard-content hide\"><h3>Cymorth a datblygu sgiliau<\/h3>\n<h4 class=\"wp-block-ace-heading\"><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n<\/div>\n\n\n\t<div id=\"linked_standards\" class=\"wp-block page-links wp-block-ace-linked-standards hide\">\n\t\t\t<h3 class=\"block-title\">\n\t\t\t\tSafonau cysylltiedig\t\t\t<\/h3>\n\t\t\t\t\t\t<div class='flex flex_50 link_blocks'>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\n\n\t<div id=\"references\" class=\"wp_block references wp-block-ace-standard-references \">\n\t\t<h3 class=\"block-title\">\n\t\t\tCyfeiriadau allanol\t\t<\/h3>\n\n\t\t<div class=\"links-on-newtab-text\"><\/div>\n\t\t<ol class=\"references-list\">\n\t\t\t\t\t\t\t<li class = \"references-list-item\"><p><span class=\"TextRun SCXW240679425 BCX0\" lang=\"EN-GB\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW240679425 BCX0\">Access to and use of buildings, Approved <\/span><span class=\"NormalTextRun SCXW240679425 BCX0\">Document M <\/span><\/span><span class=\"TextRun SCXW240679425 BCX0\" lang=\"EN-GB\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW240679425 BCX0\">(2004 edition, incorporating 2010 amendments) [online] Available at: <\/span><\/span><a class=\"Hyperlink SCXW240679425 BCX0\" href=\"https:\/\/www.gov.wales\/sites\/default\/files\/publications\/2019-05\/building-regulations-guidance-part-m-access-to-and-use-of-buildings.pdf\" target=\"_blank\" rel=\"noreferrer noopener\"><span class=\"TextRun Underlined SCXW240679425 BCX0\" lang=\"EN-GB\" data-contrast=\"none\"><span class=\"NormalTextRun SCXW240679425 BCX0\" data-ccp-charstyle=\"Hyperlink\">Approved Document M (Wales)<\/span><\/span><\/a><span class=\"TextRun SCXW240679425 BCX0\" lang=\"EN-GB\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW240679425 BCX0\"> [Accessed 24 June 2025]<\/span><\/span><span class=\"EOP SCXW240679425 BCX0\" data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559740&quot;:360}\">\u00a0<\/span><\/p>\n<\/li>\n\t\t\t\t\t\t\t<li class = \"references-list-item\"><p><span class=\"TextRun SCXW89917099 BCX0\" lang=\"EN-GB\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW89917099 BCX0\">Access to and use of buildings, Approved Document M, Volume 2, Buildings other than dwellings (<\/span><\/span><span class=\"TextRun SCXW89917099 BCX0\" lang=\"EN-GB\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW89917099 BCX0\">2015 edition, incorporating 2020 and 2024 amendments). Available at: <\/span><\/span><a class=\"Hyperlink SCXW89917099 BCX0\" href=\"https:\/\/assets.publishing.service.gov.uk\/media\/66f6c5eec71e42688b65ee11\/ADM__V2_with_2024_amendments.pdf\" target=\"_blank\" rel=\"noreferrer noopener\"><span class=\"TextRun Underlined SCXW89917099 BCX0\" lang=\"EN-GB\" data-contrast=\"none\"><span class=\"NormalTextRun SCXW89917099 BCX0\" data-ccp-charstyle=\"Hyperlink\">Approved Document Part M<\/span><\/span><\/a><span class=\"TextRun SCXW89917099 BCX0\" lang=\"EN-GB\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW89917099 BCX0\"> [Accessed 24 June 2025]<\/span><\/span><\/p>\n<\/li>\n\t\t\t\t\t\t\t<li class = \"references-list-item\"><p>British Standards Institute, BS 8206-2:2008 Lighting for buildings \u2013 code of practice for daylighting (2008)<\/p>\n<\/li>\n\t\t\t\t\t\t\t<li class = \"references-list-item\"><p>British Standards Institute, BS8300-2:2018, Design of an accessible and inclusive built environment, Part 2: Buildings \u2013 Code of practice (2018). BSI standards can be purchased online. Reference copies are available at local libraries.<\/p>\n<\/li>\n\t\t\t\t\t<\/ol>\n\t<\/div> \n<\/div><aside class=\"sidebar flex-item\"><h3>3.03 Goleuo a Chyferbyniad<\/h3><nav class=\"sub-nav\"><ul><li><a href=\"#overview\">Trosolwg<\/a><\/li><li><a href=\"#examples\">Enghreifftiau ymarferol<\/a><\/li><li><a href=\"#key_considerations\">Ystyriaethau allweddol<\/a><\/li><li><a href=\"#definitions_list\">Diffiniadau ac acronymau<\/a><\/li><li><a href=\"#learning_resources\">Adnoddau dysgu<\/a><\/li><li><a href=\"#references\">Cyfeiriadau allanol<\/a><\/li><\/ul><\/nav><div class=\"hide fixed scroll_menu\" aria-live=\"polite\"><h3>3.03 Goleuo a Chyferbyniad<\/h3><ul><li><a href=\"#overview\">Trosolwg<\/a><\/li><li><a href=\"#examples\">Enghreifftiau ymarferol<\/a><\/li><li><a href=\"#key_considerations\">Ystyriaethau allweddol<\/a><\/li><li><a href=\"#definitions_list\">Diffiniadau ac acronymau<\/a><\/li><li><a href=\"#learning_resources\">Adnoddau dysgu<\/a><\/li><li><a href=\"#references\">Cyfeiriadau allanol<\/a><\/li><\/ul><a href=\"https:\/\/form.jotform.com\/252393341563356?standard=Amgylchedd Adeiledig 3.03 Goleuo a Chyferbyniad\" class=\"feedback_link button bg_secondary white\">Rhowch adborth i ni ar y Safon hon<\/a><a href=\"https:\/\/allin.online\/cy\/standard\/amgylchedd-adeiledig\/\" class=\"return_link\">Yn \u00f4l i Amgylchedd Adeiledig<\/a><\/div><a href=\"https:\/\/form.jotform.com\/252393341563356?standard=Amgylchedd Adeiledig 3.03 Goleuo a Chyferbyniad\" class=\"feedback_link button bg_secondary white\">Rhowch adborth i ni ar y Safon hon<\/a><a href=\"https:\/\/allin.online\/cy\/standard\/amgylchedd-adeiledig\/\" class=\"return_link\">Yn \u00f4l i Amgylchedd Adeiledig<\/a><\/aside><\/div>\n","protected":false},"featured_media":5915,"parent":9991,"menu_order":3,"template":"","class_list":["post-10105","standard","type-standard","status-publish","has-post-thumbnail","hentry"],"acf":{"short_description":"Cr\u00ebwch fannau sydd \u00e2 lefelau goleuo cyfartal, nad ydynt yn tynnu sylw. Defnyddiwch oleuadau yn eich mannau i gefnogi atal peryglon, creu amgylcheddau cyfforddus a chefnogi symudiad a chyfathrebu. 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