{"id":54,"date":"2021-05-24T09:00:06","date_gmt":"2021-05-24T08:00:06","guid":{"rendered":"https:\/\/www.monagroup.wales\/2021\/05\/24\/maentwrog-hydroelectric-power-station-pipeline-repair\/"},"modified":"2025-11-15T16:57:45","modified_gmt":"2025-11-15T16:57:45","slug":"maentwrog-hydroelectric-power-station-pipeline-repair","status":"publish","type":"post","link":"https:\/\/www.monagroup.wales\/cy\/2021\/05\/24\/atgyweirio-piblinell-yng-ngorsaf-bwer-trydan-maentwrog\/","title":{"rendered":"Atgyweirio Piblinell yng Ngorsaf B\u0175er Trydan Maentwrog"},"content":{"rendered":"<p>Mae&#8217;r orsaf 30 megawat ar lannau Aber Dwyryd wedi bod yn gweithredu ers dros 90 mlynedd ac mae&#8217;n cael ei rhedeg gan Magnox.<\/p>\n<p>Mae&#8217;n cynhyrchu trydan gan ddefnyddio d\u0175r, sy&#8217;n cwympo fel glaw yn yr ardal gyfagos ac yn cael ei gasglu mewn cyfres o afonydd, &#8216;lledr&#8217; a nentydd sy&#8217;n bwydo i mewn i lyn Trawsfynydd.<\/p>\n<p>Mae&#8217;r d\u0175r yn cael ei gario gan biblinell i yrru dau dyrbin, sy&#8217;n cynhyrchu digon o drydan i bweru tua 12,000 o gartrefi lleol bob blwyddyn.<\/p>\n<p>Yn ddiweddar, ymrwymodd Mona Lifting gontract cynnal a chadw ar gyfer Magnox ar gyfer y gofyniad i atgyweirio ardaloedd y tu mewn i&#8217;r Biblinell Pwysedd Isel, trwy weldio darnau i du mewn y biblinell. Mae&#8217;r biblinell yn ddiamedr enwol 9.5 tr (2.9m) ac mae o wneuthuriad pl\u00e2t dur ysgafn rhybedog.<\/p>\n<p>Gan weithio i gynllun diogelwch y cytunwyd arno, parat\u00f4dd Mona Lifting y safle anghysbell gyda chyfleusterau lles, gyda generaduron a setiau weldio, a weldio storfa traul.<\/p>\n<p>Sefydlodd Mona Lifting system Awyru Gwac\u00e1u Lleol yn yr ardal waith a oedd yn lleihau amlygiad mygdarth i&#8217;r holl weithwyr a ddaeth ar y gweill.<\/p>\n<p>Fe wnaethom baratoi a weldio platiau atgyweirio i strwythur mewnol y biblinell, i weithdrefnau sydd wedi&#8217;u hachredu i BSEN15614 a gweithwyr weldio sy&#8217;n gymwys i BSEN9606. Fe wnaethom hefyd ddarparu NDT i 100% o&#8217;r weldiadau newydd.<\/p>\n<p>Roedd yr holl berson\u00e9l yn gymwysedig yn gweithredu gofod cyfyng gan weithio i ddull a gafodd ei fonitro&#8217;n llym ac atgyweiriwyd oddeutu 100m o biblinell yn yr ymgyrch hon.<\/p>\n<p>Dilynwch ni ar <a href=\"https:\/\/www.linkedin.com\/company\/mona-lifting-ltd\/\">LinkedIn<\/a> a <a href=\"https:\/\/twitter.com\/MonaLifting\">Twitter<\/a> i gael y wybodaeth ddiweddaraf am fwy o brosiectau, fel hyn, sydd gan Mona Engineering ar y gweill!<\/p>\n<div id=\"attachment_180\" style=\"width: 1010px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-180\" class=\"size-full wp-image-180\" src=\"https:\/\/www.monagroup.wales\/wp-content\/uploads\/2022\/07\/IMG_20200827_212342.jpg\" alt=\"Atgyweirio Piblinell yng Ngorsaf B\u0175er Trydan Maentwrog\" width=\"1000\" height=\"667\" \/><p id=\"caption-attachment-180\" class=\"wp-caption-text\">Atgyweirio Piblinell yng Ngorsaf B\u0175er Trydan Maentwrog<\/p><\/div>\n<div id=\"attachment_176\" style=\"width: 677px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-176\" class=\"size-full wp-image-176\" src=\"https:\/\/www.monagroup.wales\/wp-content\/uploads\/2022\/07\/IMG_20200827_104848.jpg\" alt=\"Atgyweirio Piblinell yng Ngorsaf B\u0175er Trydan Maentwrog\" width=\"667\" height=\"1000\" \/><p id=\"caption-attachment-176\" class=\"wp-caption-text\">Atgyweirio Piblinell yng Ngorsaf B\u0175er Trydan Maentwrog<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Mae&#8217;r orsaf 30 megawat ar lannau Aber Dwyryd wedi bod yn gweithredu ers dros 90 mlynedd ac mae&#8217;n cael ei rhedeg gan Magnox. Mae&#8217;n cynhyrchu trydan gan ddefnyddio d\u0175r, sy&#8217;n cwympo fel glaw yn yr ardal gyfagos ac yn cael [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":136,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[45],"tags":[76],"class_list":["post-54","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-peirianneg","tag-ynni-adnewyddadwy"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Atgyweirio Piblinell yng Ngorsaf B\u0175er Trydan Maentwrog - Mona Group<\/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:\/\/www.monagroup.wales\/cy\/2021\/05\/24\/atgyweirio-piblinell-yng-ngorsaf-bwer-trydan-maentwrog\/\" \/>\n<meta property=\"og:locale\" content=\"cy_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Atgyweirio Piblinell yng Ngorsaf B\u0175er Trydan Maentwrog - Mona Group\" \/>\n<meta property=\"og:description\" content=\"Mae&#8217;r orsaf 30 megawat ar lannau Aber Dwyryd wedi bod yn gweithredu ers dros 90 mlynedd ac mae&#8217;n cael ei rhedeg gan Magnox. 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