{"id":10102,"date":"2025-11-13T09:58:48","date_gmt":"2025-11-13T09:58:48","guid":{"rendered":"https:\/\/allin.online\/standard\/drysau-trothwyon-a-lobiau\/"},"modified":"2026-10-14T11:17:11","modified_gmt":"2026-10-14T11:17:11","slug":"drysau-trothwyon-a-lobiau","status":"publish","type":"standard","link":"https:\/\/allin.online\/cy\/standard\/amgylchedd-adeiledig\/llwybrau-mynediad-a-gadael\/drysau-trothwyon-a-lobiau\/","title":{"rendered":"Drysau, Trothwyon, a Lob\u00efau"},"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\">2.01 Drysau, Trothwyon, a Lob\u00efau<\/h3><select aria-labelledby=\"page_sub_nav\" class=\"mobile_only\" id=\"nav_select\"><option value=\"#overview\">Trosolwg<\/option><option value=\"#examples\">Enghraifft 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=\"#linked_standards\">Safonau cysylltiedig<\/option><option value=\"#references\">Cyfeiriadau allanol<\/option><\/select><div class=\"action_links mobile_only\"><a href=\"https:\/\/form.jotform.com\/252393341563356?standard=Amgylchedd Adeiledig 2.01 Drysau, Trothwyon, a Lob\u00efau\" 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 i ddarparu drysau, pyrth a mannau mynediad hygyrch ar gyfer llwybrau mynediad ac allanfa.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Mae nodweddion y drws hygyrch 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 dilyn egwyddorion dylunio allweddol i ddefnyddwyr. Mae&#8217;r nodweddion hyn yn helpu ymwelwyr i adnabod, agor a mynd trwy ddrysau yn hawdd a heb wrthdrawiadau.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Mae&#8217;n bwysig fod drysau, trothwyon a lob\u00efau hygyrch yn cyd-fynd mor agos \u00e2 phosibl \u00e2&#8217;r manylebau yn y canllawiau. Mae&#8217;r lleoedd canlynol wedi&#8217;u cynnwys:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>drysau allanol a mewnol<\/li>\n\n\n\n<li>cynteddau mynediad a chynteddau mewnol<\/li>\n\n\n\n<li><span data-definition=\"trothwyon\" data-definition-id=\"9901\" title=\"Trothwyon\" data-definition-name=\"Thresholds\" class=\"ace-definition-inserter\"><\/span><\/li>\n\n\n\n<li>bw\u00e2u neu fylchau pasio drwodd lle byddai drws<\/li>\n\n\n\n<li>drysau cloi neu wedi&#8217;u codio (er enghraifft, i ardaloedd staff)<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Nid yw&#8217;r canllawiau&#8217;n cynnwys drysau cypyrddau na bw\u00e2u a sianeli diogelwch. Am ganllawiau ar ddrysau toiledau, gweler <a href=\"https:\/\/allin.online\/cy\/standard\/amgylchedd-adeiledig\/cyfleusterau\/501-toiledau\/\">Amgylchedd Adeiledig 5.01 Toiledau<\/a>. Am fanylebau drysau argyfwng a th\u00e2n, cyfeiriwch at <a href=\"https:\/\/allin.online\/cy\/standard\/amgylchedd-adeiledig\/llwybrau-mynediad-a-gadael\/gadael-mewn-argyfwng\/\">Amgylchedd Adeiledig 2.02 Gwac\u00e1u Brys<\/a>.<\/p>\n<\/div>\n\n\n\n<div id=\"examples\" class=\"wp-block-ace-standard-examples bg_grey inner-padding standard-examples\"><h3>Enghraifft 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-335-scaled.jpg\" alt=\"A wide internal automatic door with clear signage and a push pad on the wall beside to open it.\"\/><div class=\"alt_block\"><button class=\"alt_trigger\" aria-label=\"Amgen\">Amgen<\/button><div class=\"alt_modal\" id=\"image_block_5300\" role=\"dialog\" aria-label=\"Alt text\" aria-describedby=\"desc_image_block_5300\"><p id=\"desc_image_block_5300\">A wide internal automatic door with clear signage and a push pad on the wall beside to open it.<\/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 gr\u0175p o ymwelwyr yn gadael lleoliad. Yn eu plith mae defnyddiwr cadair olwyn, defnyddiwr ffon wen, a pherson sy&#8217;n gwisgo <span title=\"Sunflower lanyard\" data-definition-name=\"Sunflower lanyard\" data-definition=\"sunflower-lanyard\" data-definition-id=\"5571\" class=\"ace-definition-inserter\"><\/span>. Mae gan y porth llydan fynediad, , gyda matiau ar yr un lefel \u00e2&#8217;r arwyneb awyr agored. Mae&#8217;r drysau yn awtomatig ac mae ganddyn nhw <span title=\"Amlygiadau\" data-definition-name=\"Amlygiadau\" data-definition=\"amlygiadau\" data-definition-id=\"9669\" class=\"ace-definition-inserter\"><\/span> ar y gwydr er mwyn gwelededd.<\/p><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n\n\n\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-5938-scaled.jpg\" alt=\"A wide internal automatic door with clear signage and a push pad on the wall beside to open it.\"\/><div class=\"alt_block\"><button class=\"alt_trigger\" aria-label=\"Amgen\">Amgen<\/button><div class=\"alt_modal\" id=\"image_block_5308\" role=\"dialog\" aria-label=\"Alt text\" aria-describedby=\"desc_image_block_5308\"><p id=\"desc_image_block_5308\">A wide internal automatic door with clear signage and a push pad on the wall beside to open it.<\/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> Drws awtomatig mewnol sy&#8217;n ddigon llydan i symud yn hawdd. Mae arwyddion clir ar y drws, a phad gwthio wedi&#8217;i leoli ar y wal wrth ei ymyl i&#8217;w agor.<\/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\">Mesuriadau allweddol<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Mae&#8217;n rhaid dylunio drysau a mynedfeydd i ganiat\u00e1u mynediad heb gyfyngiad, gan gynnwys i&#8217;r rhai sy&#8217;n defnyddio cymhorthion symudedd. Y mesuriadau allweddol i&#8217;w hystyried yw <span title=\"Lled clir effeithiol\" data-definition-name=\"Effective clear width\" data-definition=\"lled-clir-effeithiol\" data-definition-id=\"9596\" class=\"ace-definition-inserter\"><\/span> y drws, gan sicrhau digon o le i symud. Dylai fod digon o le ar y wal ar ochr agoriadol drws hefyd i ganiat\u00e1u symud yn hawdd i afael yn y ddolen, agor y drws, ei ryddhau a symud drwodd.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Dylai&#8217;r cryfder sydd ei angen i agor drws fod yn fach iawn. Dylid amseru drysau p\u0175eredig er mwyn cael mynediad llyfn. Dangoswch i ba gyfeiriad y mae&#8217;r drws yn siglo, fel gyda marciau llawr. Mae hyn yn helpu i atal syndod ac yn lleihau ymatebion brawychus. Mae hyn yn arbennig o ddefnyddiol ar gyfer drysau \u00e2 ph\u0175er.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ystyriwch lwybr y drws sy&#8217;n agor wrth osod botymau gwthio. Gwnewch yn si\u0175r y gall defnyddwyr barhau i fynd trwy&#8217;r drws heb orfod ail-leoli ar \u00f4l i&#8217;r botwm gael ei wasgu a&#8217;r drws agor.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Mae ffactorau pwysig eraill yn cynnwys uchder botymau gwthio, uchder y ddolen a&#8217;r clo, ac uchder y <span title=\"Trothwyon\" data-definition-name=\"Thresholds\" data-definition=\"trothwyon\" data-definition-id=\"9901\" class=\"ace-definition-inserter\"><\/span> i atal peryglon baglu. Lle mae cyntedd, dylai maint y gofod fod yn briodol ar gyfer dyluniad y drws er mwyn caniat\u00e1u symudiad cyfforddus.<\/p>\n\n\n\n<h4 class=\"wp-block-ace-heading\">Drysau allanol<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Gall drysau mynediad \u00e2 llaw gyda dyfeisiau hunan-gau fod yn anodd i lawer eu hagor. Mae hyn oherwydd eu bod yn gofyn am lawer o gryfder. Mae drysau \u00e2 ph\u0175er yn hanfodol ar gyfer mynedfeydd hygyrch oni bai bod ateb arall ar gael.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Nid yw drysau cylchdroi yn hygyrch, felly dylid darparu drws mynediad arall gerllaw bob amser. Dylai unrhyw ddrysau a weithredir gan b\u0175er, boed yn cael eu actifadu gan fotwm gwthio neu synwyryddion awtomatig, fodloni gofynion mesur allweddol <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>.<\/p>\n\n\n\n<h4 class=\"wp-block-ace-heading\">Drysau mewnol<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Dim ond lle bo angen y dylid defnyddio drysau mewnol, gan y gallant greu rhwystrau mynediad. Pan g\u00e2nt eu gosod, dylent fod \u00e2 ffenestr wylio i helpu atal gwrthdrawiadau. Dylai dolenni a ffitiadau fod yn gyferbyniadol yn weledol ac wedi&#8217;u gwneud o ddeunyddiau nad ydynt yn anghyfforddus o oer i&#8217;r cyffyrddiad.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Dim ond pan fo angen y dylid defnyddio mecanweithiau hunan-gau. Dylai mecanweithiau dal magnetig neu fecanweithiau dal eraill gadw drysau ar agor oni bai fod larwm brys neu fethiant p\u0175er yn sbarduno cau. Dylai cliciedau fod yn hawdd eu defnyddio gyda dwrn cae\u00ebdig, fel dolenni lifer, i gynorthwyo&#8217;r rhai sydd \u00e2 symudiad dwylo cyfyngedig.<\/p>\n\n\n\n<h4 class=\"wp-block-ace-heading\">Drysau gwydr a sgriniau gwydrog<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Mae&#8217;n rhaid i ddrysau gwydr a sgriniau gwydrog gael <span title=\"Amlygiadau\" data-definition-name=\"Manifestations\" data-definition=\"amlygiadau\" data-definition-id=\"9669\" class=\"ace-definition-inserter\"><\/span> i sicrhau eu bod yn weladwy ac i atal gwrthdrawiadau damweiniol. Gall amlygiadau fod yn ddecalau, patrymau, logos, ffilm barugog neu siapiau cyferbyniol. Maen nhw&#8217;n arbennig o bwysig mewn adeiladau sydd ag arwynebeddau mawr o wydr. Dylai amlygiadau fod:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>wedi&#8217;u lleoli ar ddwy lefel uchder<\/li>\n\n\n\n<li>yn amlwg yn wahanol, gan gynnwys mewn gwahanol amodau goleuo ac yn erbyn gwahanol gefndiroedd&nbsp;<\/li>\n\n\n\n<li>wedi&#8217;u gwasgaru&#8217;n gyson<\/li>\n\n\n\n<li>gwydn a hirbharhaus<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Pan fydd drws gwydr ar agor, dylai fod yn hawdd gweld ble mae ymylon y drws o hyd. Os yw&#8217;r drws yn rhan o wal sydd wedi&#8217;i gwneud yn gyfan gwbl o wydr, dylai sefyll allan yn glir, er enghraifft, trwy ychwanegu ffin solet, cyferbyniol iawn o&#8217;i gwmpas.<\/p>\n\n\n\n<h4 class=\"wp-block-ace-heading\">Trothwyon<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Dylai <span title=\"Trothwyon\" data-definition-name=\"Thresholds\" data-definition=\"trothwyon\" data-definition-id=\"9901\" class=\"ace-definition-inserter\"><\/span>ganiat\u00e1u ar gyfer trawsnewidiadau llyfn rhwng mannau. Dylai arwyneb y mat fod yn wastad \u00e2&#8217;r llawr cyfagos er mwyn osgoi peryglon baglu. Defnyddiwch arwynebau sy&#8217;n gyfeillgar i olwynion fel lloriau llyfn, matiau \u00e2 chefn rwber neu garpedi pentwr isel. Darparwch fat cadarn. Osgowch fatiau coir neu ddeunyddiau eraill a allai rwystro symudiad. Gwnewch yn si\u0175r fod y newidiadau rhwng mathau o loriau yn llyfn i gynorthwyo&#8217;r rhai sy&#8217;n defnyddio cymhorthion symudedd.<\/p>\n\n\n\n<h4 class=\"wp-block-ace-heading\">Ystyriaethau ychwanegol<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Mae mannau creadigol a diwylliannol yn wynebu heriau unigryw gyda drysau a mynediad. Gall llygredd s\u0175n achosi i ddrysau hygyrch, fel allanfeydd brys, aros ar gau neu wedi&#8217;u cloi pan nad ydynt yn cael eu defnyddio. Osgowch yr arferion hyn drwy archwilio atebion amgen sy&#8217;n cynnal mynediad. Er enghraifft, er mwyn sicrhau nad oes neb ar \u00f4l y tu allan, gosodwch gloch drws neu system alw hygyrch a&#8217;i monitro&#8217;n iawn.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ar gyfer <span title=\"Drysau llwyfan\" data-definition-name=\"Stage doors\" data-definition=\"drws-llwyfan\" data-definition-id=\"9739\" class=\"ace-definition-inserter\"><\/span> lle mae cefnogwyr yn cwrdd ar \u00f4l sioe, mae gwelededd a hygyrchedd yn bwysig. Gall y drysau hyn fod yn anodd dod o hyd iddynt i rai pobl anabl, yn enwedig y rhai sydd \u00e2 nam ar eu golwg. Mae angen i ardaloedd i staff yn unig fod yn hygyrch hefyd. Dylai cloeon a systemau mynediad weithio i aelodau staff anabl. Gall cloeon is, codau syml, neu gardiau sweip electronig helpu.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Mewn ystafelloedd gwyrdd, ystafelloedd gwisgo, ac ardaloedd cefn llwyfan, gall rhwystrau dros dro fel llenni, gleiniau llenni, a rhannwyr ystafelloedd greu problemau mynediad. Gall eitemau sy&#8217;n hongian i lawr gael eu dal yn olwynion cadair olwyn, tra gall rhannwyr dros dro fod yn berygl os ydynt yn cwympo wrth eu taro. Gall sicrhau bod mannau cefn llwyfan yn rhydd rhag y rhwystrau hyn wella hygyrchedd.<\/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>Amlygiadau<\/h4><div><p><span class=\"NormalTextRun SCXW242928369 BCX0\" data-ccp-charstyle=\"normaltextrun\" data-ccp-charstyle-defn=\"{&quot;ObjectId&quot;:&quot;ac0262f4-8a9e-5820-b908-2d943c5f7113|1&quot;,&quot;ClassId&quot;:1073872969,&quot;Properties&quot;:[201342446,&quot;1&quot;,201342447,&quot;5&quot;,201342448,&quot;1&quot;,201342449,&quot;1&quot;,469777841,&quot;Aptos&quot;,469777842,&quot;Arial&quot;,469777843,&quot;Aptos&quot;,469777844,&quot;Aptos&quot;,201341986,&quot;1&quot;,469769226,&quot;Aptos,Arial&quot;,268442635,&quot;22&quot;,469775450,&quot;normaltextrun&quot;,201340122,&quot;1&quot;,134233614,&quot;true&quot;,469778129,&quot;normaltextrun&quot;,335572020,&quot;1&quot;,469778324,&quot;Default Paragraph Font&quot;]}\">Marciau ar ddrysau neu waliau gwydr i wella cyferbynnedd ag amgylchiadau ac i atal gwrthdrawiadau.<\/span><\/p>\n<\/div><\/div><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>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>Drysau llwyfan<\/h4><div><p>Drws llwyfan yw&#8217;r fynedfa yng nghefn neu lawr ochr theatr a ddefnyddir gan berfformwyr, staff cefn llwyfan, ac aelodau staff eraill. Mae hefyd yn fan lle gall y cyhoedd aros i gyfarfod \u00e2&#8217;r cast ar \u00f4l y sioe.<\/p>\n<\/div><\/div><div class=\"ace-definition-item\"><h4>Lled clir effeithiol<\/h4><div><p><span class=\"NormalTextRun CommentStart SCXW7638280 BCX0\">Maint y bwlch y gellir symud drwyddo&#8217;n rhydd pan fydd drws wedi ei agor yn llawn<\/span><span class=\"NormalTextRun SCXW7638280 BCX0\">.<\/span><\/p>\n<\/div><\/div><div class=\"ace-definition-item\"><h4>Sunflower lanyard<\/h4><div><p>Laniard gwyrdd \u00e2 blodau&#8217;r haul melyn yw&#8217;r <a href=\"https:\/\/hdsunflower.com\/uk\/shop.html\" target=\"_blank\" rel=\"noopener\">laniard blodau&#8217;r haul<\/a>, sy&#8217;n dangos yn ddiffwdan bod gan rywun anabledd anweledig ac efallai angen amser, cymorth neu ddealltwriaeth ychwanegol. Cynllun rhyngwladol yw hwn a arweinir gan <a href=\"https:\/\/hdsunflower.com\/uk\/\" target=\"_blank\" rel=\"noopener\">Blodyn yr Haul Anableddau Cudd<\/a>.<\/p>\n<\/div><\/div><div class=\"ace-definition-item\"><h4>Trothwyon<\/h4><div><p><span class=\"TextRun SCXW240579780 BCX0\" lang=\"EN-GB\" xml:lang=\"EN-GB\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW240579780 BCX0\">Y llawr wrth y fynedfa i adeilad neu ystafell.<\/span><\/span><\/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\"><strong>Lloegr\u00a0<\/strong>\u00a0 <\/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\">Approved Document M (ADM)\u202f<\/a>\n<ul class=\"wp-block-list\">\n<li>Tudalen 24-25, Adran 2.8 &#8211; 2.13 (lled, gwrthsafiad\/cryfder, mathau o ddrysau, paneli gwylio)<\/li>\n\n\n\n<li>Tudalen 25-26, Adran 2.14 \u2013 2.17 (drysau \u00e2 llaw)<\/li>\n\n\n\n<li>Tudalen 26, Adran 2.18 \u2013 2.21 (drysau \u00e2 ph\u0175er)<\/li>\n\n\n\n<li>Tudalen 27, Adran 2.22 \u2013 2.24 (drysau gwydr)<\/li>\n\n\n\n<li>Tudalen 27, Adran 2.25 \u2013 2.29 (lob\u00efau)<\/li>\n\n\n\n<li>Tudalen 29-30, Adran 3.7-3.10 (drysau mewnol)<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><a href=\"https:\/\/www.gov.uk\/government\/publications\/protection-from-falling-collision-and-impact-approved-document-k\"><a href=\"https:\/\/www.gov.uk\/government\/publications\/protection-from-falling-collision-and-impact-approved-document-k\">Dogfen Gymeradwy K<\/a><\/a>\n<ul class=\"wp-block-list\">\n<li>Tudalen 39, Adran 7 (Drysau gwydr)<\/li>\n\n\n\n<li>Tudalen 48, Adran 10 (Drysau i fynedfeydd hygyrch)<\/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\">Approved Document M (Wales)<\/a>\n<ul class=\"wp-block-list\">\n<li>Tudalennau 35-39, Adran 2 (Mynediad i adeiladau heblaw anheddau)<\/li>\n\n\n\n<li>Tudalen 43, Adran 3 (Drysau mewnol)<\/li>\n\n\n\n<li>Tudalen 45, Adran 3 (Lob\u00efau mewnol)<\/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\">Llawlyfr Technegol Annomestig (Yr Alban)<\/a>\n<ul class=\"wp-block-list\">\n<li>Tudalennau 377-379, Adran 4.17 i 4.19<\/li>\n\n\n\n<li>Tudalennau 383-384, Adran 4.2.5 i 4.2.6<\/li>\n\n\n\n<li>Ffig. 4.2 (tudalen 378)<\/li>\n\n\n\n<li>Tabl 4.1 (tudalen 383)<\/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.gov.uk\/government\/publications\/protection-from-falling-collision-and-impact-approved-document-k\">Llyfryn Technegol R (Gogledd Iwerddon)<\/a>\n<ul class=\"wp-block-list\">\n<li>Tudalennau 20-25, Adran 3<\/li>\n\n\n\n<li>Tudalen 28, Adran 4 (Drysau mewnol)<\/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:\/\/www.gov.ie\/en\/department-of-housing-local-government-and-heritage\/publications\/technical-guidance-document-m-access-and-use\/\" target=\"_blank\" rel=\"noreferrer noopener\">Technical Guidance Document M (TGD M) Access and Use 2022 (Dolen allanol yn Saesneg)<\/a>\u00a0\n<ul class=\"wp-block-list\">\n<li>Tudalen 50-51, Adran 1.2.4 (Drysau Mynediad Hygyrch: pwysau, dolenni, paneli gwylio)<\/li>\n\n\n\n<li>Tudalen 52-53, Tabl 3 &amp; Diagram 10 (gofod symud, lled drysau a phaneli gwelededd)<\/li>\n\n\n\n<li>Tudalen 54, Adran 1.2.4.1 (Drysau Gwydr Hygyrch)<\/li>\n\n\n\n<li>Tudalen 55, Adran 1.2.4.2 (Drysau Hygyrch \u00e2 Llaw)<\/li>\n\n\n\n<li>Tudalen 56, Adran 1.2.4.3 (Drysau Hygyrch a Awyrir gan B\u0175er)\u00a0<\/li>\n\n\n\n<li>Tudalen 57-59, Adran 1.2.5 &amp; Diagram 11 (Lob\u00efau Mynediad)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-ace-heading\">More resources<\/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\">BS8300 \u2013 Part 2 (Dolen allanol yn Saesneg)<\/a> (Gellir prynu safonau BSI ar-lein. Mae cop\u00efau cyfeirio ar gael mewn llyfrgelloedd lleol.)\n<ul class=\"wp-block-list\">\n<li>Tudalen 13, Adran 8.1.4 (Trothwyon)<\/li>\n\n\n\n<li>Tudalen 14, Adran 8.2 (Drysau Mynediad a Lob\u00efau)<\/li>\n\n\n\n<li>Tudalen 19, Adran 8.3 (Drysau Allanol a Mewnol)<\/li>\n\n\n\n<li>Tudalen 24, Adran 8.4 (Ffitiadau drysau)<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>PAS 6463\n<ul class=\"wp-block-list\">\n<li>Tudalen 50, Adran 9.4, arwydd siglo drws<\/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>Datblygu cymorth a sgiliau<\/h3>\n<h4 class=\"wp-block-ace-heading\"><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Bydd yr adran hon yn cael ei hehangu. Bydd ein t\u00eem Cymorth a Sgiliau yn rhannu adnoddau yma, fel canllawiau i ddechrau, awgrymiadau gwych, neu astudiaethau achos.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Angen help i benderfynu ar eich camau nesaf? Trefnwch alwad gydag <a href=\"https:\/\/allin.online\/cy\/dangosfwrdd-sefydliad\/cymorth-a-sgiliau\/\">All In Access Specialist (Dolen allanol yn Saesneg)<\/a> i archwilio sut allwch chi roi&#8217;r Safonau ar waith.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Oes gennych chi enghraifft o arfer da yn eich sefydliad, neu adnodd sy&#8217;n ddefnyddiol i chi? Rhowch wybod i ni yn eich adborth a gallw ei rannu yma ag eraill yn y sector.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Gallwch chwilio&#8217;r <a href=\"https:\/\/allin.online\/cy\/all-in-ar-gyfer-y-sector\/dod-o-hyd-i-sefydliad-cymorth\/\">All In Support Directory (Dolen allanol yn Saesneg)<\/a> i ddod o hyd i arbenigwyr a all eich cynorthwyo \u00e2&#8217;ch nodau mynediad.<\/p>\n<\/div>\n\n\n\t<div id=\"linked_standards\" class=\"wp-block page-links wp-block-ace-linked-standards \">\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\t\t\t\t\t\t\t\t<div class=\"flex_item post_item bg_grey--dark\">\n\t\t\t\t\t\t\t<picture class=\"featured-img alt-block\">\n\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/allin.online\/wp-content\/uploads\/2025\/11\/ACE-All-In-6209-1024x683.jpg\" class=\"attachment-large size-large wp-post-image\" alt=\"Man lloches ar risiau gydag arwydd glas &#039;Lloches - Cadwch yn Glir&#039;, cadair ymadael a botwm intercom hygyrch.\" srcset=\"https:\/\/allin.online\/wp-content\/uploads\/2025\/11\/ACE-All-In-6209-1024x683.jpg 1024w, https:\/\/allin.online\/wp-content\/uploads\/2025\/11\/ACE-All-In-6209-300x200.jpg 300w, https:\/\/allin.online\/wp-content\/uploads\/2025\/11\/ACE-All-In-6209-768x512.jpg 768w, https:\/\/allin.online\/wp-content\/uploads\/2025\/11\/ACE-All-In-6209-1536x1024.jpg 1536w, https:\/\/allin.online\/wp-content\/uploads\/2025\/11\/ACE-All-In-6209-2048x1365.jpg 2048w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/>\t\t\t\t\t\t\t\t<div class = \"alt_block\">\n\t\t\t\t\t\t\t\t\t<button class=\"alt_trigger\" aria-label=\"Open the Image Description\">Amgen<\/button>\n\t\t\t\t\t\t\t\t\t<div class=\"alt_modal\" id=\"5489\" role=\"dialog\" aria-label=\"Image Description\" aria-describedby=\"desc_10103\">\n\t\t\t\t\t\t\t\t\t\t<p id=\"desc_10103\">Man lloches ar risiau gydag arwydd glas &#8216;Lloches &#8211; Cadwch yn Glir&#8217;, cadair ymadael a botwm intercom hygyrch.<\/p>\n\t\t\t\t\t\t\t\t\t\t<button class=\"close\">Cau <span class=\"screen-reader-text\">Disgrifiad Delwedd\n<\/span><\/button>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/picture>\n\t\t\t\t\t\t\t<div class=\"linked_standard--content inner-padding card\">\n\t\t\t\t\t\t\t\t<h4>2.02 Gadael mewn Argyfwng<\/h4>\n\t\t\t\t\t\t\t\t<p>Darparwch lwybrau gadael brys heb risiau, wedi&#8217;u marcio&#8217;n glir \u00e2 rhybuddion brys clywadwy a gweledol.<a href=\"\/login\" class=\"locked card_target\"><span aria-hidden=\"true\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"14.999\" height=\"18\" viewBox=\"0 0 14.999 18\">\n  <path id=\"unlock\" d=\"M13.507,7.5H3.75V5.249A3.741,3.741,0,0,1,11.022,4l1.133-1.133a5.234,5.234,0,0,0-9.9,2.378V7.5H1.493A1.5,1.5,0,0,0,0,9V16.5A1.5,1.5,0,0,0,1.493,18H13.507A1.5,1.5,0,0,0,15,16.5V9a1.5,1.5,0,0,0-1.492-1.5\" transform=\"translate(0)\" fill=\"#472961\" fill-rule=\"evenodd\"\/>\n<\/svg><br \/>\n<\/span>This content is only available to logged in users.<\/a><\/p>\n\t\t\t\t\t\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"31.832\" height=\"24\" viewBox=\"0 0 31.832 24\">\n  <path id=\"arrow\" d=\"M33.728,24.848l-10.2-10.2a1.773,1.773,0,1,0-2.508,2.508l7.189,7.189H4.272a1.772,1.772,0,0,0,0,3.545H28.178L21.022,35.08a1.755,1.755,0,0,0,0,2.508,1.827,1.827,0,0,0,1.271.536,1.747,1.747,0,0,0,1.271-.536L33.8,27.355a1.827,1.827,0,0,0,.536-1.271,2.283,2.283,0,0,0-.6-1.237Z\" transform=\"translate(-2.499 -14.123)\" fill=\"#472961\"\/>\n<\/svg>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t<div class=\"flex_item post_item bg_grey\">\n\t\t\t\t\t\t\t<picture class=\"featured-img alt-block\">\n\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/allin.online\/wp-content\/uploads\/2025\/09\/Accessible-toilets-example-1-scaled-1-1024x683.jpg\" class=\"attachment-large size-large wp-post-image\" alt=\"Toiled hygyrch gyda throsglwyddo i&#039;r chwith, rheiliau gafael ar y naill ochr a larwm llinyn tynnu coch sy&#039;n hongian i&#039;r llawr.\" srcset=\"https:\/\/allin.online\/wp-content\/uploads\/2025\/09\/Accessible-toilets-example-1-scaled-1-1024x683.jpg 1024w, https:\/\/allin.online\/wp-content\/uploads\/2025\/09\/Accessible-toilets-example-1-scaled-1-300x200.jpg 300w, https:\/\/allin.online\/wp-content\/uploads\/2025\/09\/Accessible-toilets-example-1-scaled-1-768x512.jpg 768w, https:\/\/allin.online\/wp-content\/uploads\/2025\/09\/Accessible-toilets-example-1-scaled-1-1536x1024.jpg 1536w, https:\/\/allin.online\/wp-content\/uploads\/2025\/09\/Accessible-toilets-example-1-scaled-1-2048x1366.jpg 2048w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/>\t\t\t\t\t\t\t\t<div class = \"alt_block\">\n\t\t\t\t\t\t\t\t\t<button class=\"alt_trigger\" aria-label=\"Open the Image Description\">Amgen<\/button>\n\t\t\t\t\t\t\t\t\t<div class=\"alt_modal\" id=\"4168\" role=\"dialog\" aria-label=\"Image Description\" aria-describedby=\"desc_8519\">\n\t\t\t\t\t\t\t\t\t\t<p id=\"desc_8519\">Toiled hygyrch gyda throsglwyddo i&#8217;r chwith, rheiliau gafael ar y naill ochr a larwm llinyn tynnu coch sy&#8217;n hongian i&#8217;r llawr.<\/p>\n\t\t\t\t\t\t\t\t\t\t<button class=\"close\">Cau <span class=\"screen-reader-text\">Disgrifiad Delwedd\n<\/span><\/button>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/picture>\n\t\t\t\t\t\t\t<div class=\"linked_standard--content inner-padding card\">\n\t\t\t\t\t\t\t\t<h4><a href=\"https:\/\/allin.online\/cy\/standard\/amgylchedd-adeiledig\/cyfleusterau\/501-toiledau\/\" class=\"card_target\">5.01 Toiledau<\/a><\/h4>\n\t\t\t\t\t\t\t\t<p>Darparwch amrywiaeth o gyfleusterau toiled hygyrch, defnyddiol a gweithredol sy\u2019n bodloni egwyddorion dylunio defnyddwyr allweddol. <\/p>\n\t\t\t\t\t\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"31.832\" height=\"24\" viewBox=\"0 0 31.832 24\">\n  <path id=\"arrow\" d=\"M33.728,24.848l-10.2-10.2a1.773,1.773,0,1,0-2.508,2.508l7.189,7.189H4.272a1.772,1.772,0,0,0,0,3.545H28.178L21.022,35.08a1.755,1.755,0,0,0,0,2.508,1.827,1.827,0,0,0,1.271.536,1.747,1.747,0,0,0,1.271-.536L33.8,27.355a1.827,1.827,0,0,0,.536-1.271,2.283,2.283,0,0,0-.6-1.237Z\" transform=\"translate(-2.499 -14.123)\" fill=\"#472961\"\/>\n<\/svg>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\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><span class=\"TextRun SCXW78535657 BCX0\" lang=\"EN-GB\" xml:lang=\"EN-GB\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW78535657 BCX0\">Approved Document K: Protection from falling, collision and impact (2013). <\/span><span class=\"NormalTextRun SCXW78535657 BCX0\">Available at:<\/span><span class=\"NormalTextRun SCXW78535657 BCX0\">\u00a0<\/span><\/span><a class=\"Hyperlink SCXW78535657 BCX0\" href=\"https:\/\/www.gov.uk\/government\/publications\/protection-from-falling-collision-and-impact-approved-document-k\" target=\"_blank\" rel=\"noreferrer noopener\"><span class=\"TextRun Underlined SCXW78535657 BCX0\" lang=\"EN-GB\" xml:lang=\"EN-GB\" data-contrast=\"none\"><span class=\"NormalTextRun SCXW78535657 BCX0\" data-ccp-charstyle=\"Hyperlink\">Approved Document K<\/span><\/span><\/a><span class=\"TextRun SCXW78535657 BCX0\" lang=\"EN-GB\" xml:lang=\"EN-GB\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW78535657 BCX0\">\u00a0<\/span><\/span><span class=\"TextRun SCXW78535657 BCX0\" lang=\"EN-GB\" xml:lang=\"EN-GB\" data-contrast=\"none\"><span class=\"NormalTextRun SCXW78535657 BCX0\">[Accessed 10 June 2025]<\/span><\/span><span class=\"EOP SCXW78535657 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>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\t\t<li class = \"references-list-item\"><p><span class=\"TextRun SCXW209199491 BCX0\" lang=\"EN-GB\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW209199491 BCX0\">Building Regulations (Northern Ireland) Technical Booklet R Access to and Use of Buildings<\/span><\/span><span class=\"TextRun SCXW209199491 BCX0\" lang=\"EN-GB\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW209199491 BCX0\"> (2012) [online] Available at: <\/span><\/span><a class=\"Hyperlink SCXW209199491 BCX0\" href=\"https:\/\/www.buildingcontrol-ni.com\/assets\/pdf\/TechnicalBookletR2012.pdf\" target=\"_blank\" rel=\"noreferrer noopener\"><span class=\"TextRun Underlined SCXW209199491 BCX0\" lang=\"EN-GB\" data-contrast=\"none\"><span class=\"NormalTextRun SCXW209199491 BCX0\" data-ccp-charstyle=\"Hyperlink\">Technical Booklet R (Northern Ireland)<\/span><\/span><\/a><span class=\"TextRun SCXW209199491 BCX0\" lang=\"EN-GB\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW209199491 BCX0\"> [Accessed 24 June 2025]<\/span><\/span><span class=\"EOP SCXW209199491 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 SCXW1082671 BCX0\" lang=\"EN-GB\" xml_lang=\"EN-GB\" data-contrast=\"none\"><span class=\"NormalTextRun SCXW1082671 BCX0\">Non-Domestic Technical Handbook <\/span><\/span><span class=\"TextRun SCXW1082671 BCX0\" lang=\"EN-GB\" xml_lang=\"EN-GB\" data-contrast=\"none\"><span class=\"NormalTextRun SCXW1082671 BCX0\">(January 2024 edition) [online] Available at: <\/span><\/span><a class=\"Hyperlink SCXW1082671 BCX0\" 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\"><span class=\"TextRun Underlined SCXW1082671 BCX0\" lang=\"EN-GB\" xml_lang=\"EN-GB\" data-contrast=\"none\"><span class=\"NormalTextRun SCXW1082671 BCX0\" data-ccp-charstyle=\"Hyperlink\">Non-Domestic Technical Handbook (Scotland)<\/span><\/span><\/a><span class=\"TextRun SCXW1082671 BCX0\" lang=\"EN-GB\" xml_lang=\"EN-GB\" data-contrast=\"none\"><span class=\"NormalTextRun SCXW1082671 BCX0\"> [Accessed 24 June 2025]\u00a0<\/span><\/span><\/p>\n<\/li>\n\t\t\t\t\t<\/ol>\n\t<\/div> \n<\/div><aside class=\"sidebar flex-item\"><h3>2.01 Drysau, Trothwyon, a Lob\u00efau<\/h3><nav class=\"sub-nav\"><ul><li><a href=\"#overview\">Trosolwg<\/a><\/li><li><a href=\"#examples\">Enghraifft 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=\"#linked_standards\">Safonau cysylltiedig<\/a><\/li><li><a href=\"#references\">Cyfeiriadau allanol<\/a><\/li><\/ul><\/nav><div class=\"hide fixed scroll_menu\" aria-live=\"polite\"><h3>2.01 Drysau, Trothwyon, a Lob\u00efau<\/h3><ul><li><a href=\"#overview\">Trosolwg<\/a><\/li><li><a href=\"#examples\">Enghraifft 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=\"#linked_standards\">Safonau cysylltiedig<\/a><\/li><li><a href=\"#references\">Cyfeiriadau allanol<\/a><\/li><\/ul><a href=\"https:\/\/form.jotform.com\/252393341563356?standard=Amgylchedd Adeiledig 2.01 Drysau, Trothwyon, a Lob\u00efau\" 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 2.01 Drysau, Trothwyon, a Lob\u00efau\" 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":5300,"parent":9997,"menu_order":1,"template":"","class_list":["post-10102","standard","type-standard","status-publish","has-post-thumbnail","hentry"],"acf":{"short_description":"Gwnewch yn si\u0175r fod eich mynedfa yn groesawgar, yn ystyriol ac yn hygyrch. Dylai ymwelwyr adnabod, agor a mynd trwy ddrysau yn hawdd a heb wrthdrawiadau","make_visible_to_taster_account":false},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Drysau, Trothwyon, a Lob\u00efau - All In<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/allin.online\/cy\/standard\/amgylchedd-adeiledig\/llwybrau-mynediad-a-gadael\/drysau-trothwyon-a-lobiau\/\" \/>\n<meta property=\"og:locale\" content=\"cy_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Drysau, Trothwyon, a Lob\u00efau - All In\" \/>\n<meta property=\"og:url\" content=\"https:\/\/allin.online\/cy\/standard\/amgylchedd-adeiledig\/llwybrau-mynediad-a-gadael\/drysau-trothwyon-a-lobiau\/\" \/>\n<meta property=\"og:site_name\" content=\"All In\" \/>\n<meta property=\"article:modified_time\" content=\"2026-10-14T11:17:11+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/allin.online\/wp-content\/uploads\/2025\/11\/ACE-All-In-335-scaled.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"2560\" \/>\n\t<meta property=\"og:image:height\" content=\"1707\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"8 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/allin.online\\\/cy\\\/standard\\\/amgylchedd-adeiledig\\\/llwybrau-mynediad-a-gadael\\\/drysau-trothwyon-a-lobiau\\\/\",\"url\":\"https:\\\/\\\/allin.online\\\/cy\\\/standard\\\/amgylchedd-adeiledig\\\/llwybrau-mynediad-a-gadael\\\/drysau-trothwyon-a-lobiau\\\/\",\"name\":\"Drysau, Trothwyon, a Lob\u00efau - 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