{"id":2576,"date":"2021-12-25T14:35:43","date_gmt":"2021-12-25T07:35:43","guid":{"rendered":"https:\/\/bestray.com\/blog\/?p=2576"},"modified":"2024-02-27T16:36:18","modified_gmt":"2024-02-27T09:36:18","slug":"tcvn-92082012","status":"publish","type":"post","link":"https:\/\/bestray.com\/blog\/tcvn-92082012\/","title":{"rendered":"TCVN 9208:2012 &#8211; Ti\u00eau chu\u1ea9n l\u1eafp \u0111\u1eb7t c\u00e1p d\u00e2y \u0111i\u1ec7n c\u00f4ng tr\u00ecnh c\u00f4ng nghi\u1ec7p"},"content":{"rendered":"<p style=\"text-align: justify;\">M\u1ed7i c\u00f4ng tr\u00ecnh \u0111\u1ec1u c\u1ea7n ph\u1ea3i tu\u00e2n th\u1ee7 theo ti\u00eau chu\u1ea9n <strong>TCVN 9208:2012<\/strong> v\u1ec1 vi\u1ec7c l\u1eafp \u0111\u1eb7t d\u00e2y c\u00e1p trong h\u1ec7 th\u1ed1ng \u0111i\u1ec7n. B\u1edfi ti\u00eau chu\u1ea9n n\u00e0y s\u1ebd gi\u00fap vi\u1ec7c thi c\u00f4ng th\u1ef1c hi\u1ec7n \u0111\u00fang theo ti\u00eau chu\u1ea9n trong c\u00e1ch b\u1ed1 tr\u00ed, b\u1ea3o v\u1ec7 \u0111\u01b0\u1eddng d\u00e2y \u0111i\u1ec7n, c\u00e1p v\u00e0 gi\u00fap b\u1ea1n hi\u1ec3u r\u00f5 c\u00e1c quy \u0111\u1ecbnh chung trong qu\u00e1 tr\u00ecnh l\u1eafp \u0111\u1eb7t c\u00f4ng tr\u00ecnh.<\/p>\n<p style=\"text-align: justify;\">H\u01a1n n\u1eefa, <strong>TCVN 9208:2012<\/strong> s\u1ebd cho b\u1ea1n th\u1ea5y r\u00f5 \u0111\u01b0\u1ee3c t\u1ea7m quan tr\u1ecdng c\u1ee7a h\u1ec7 th\u1ed1ng thang m\u00e1ng c\u00e1p trong vi\u1ec7c b\u1ea3o v\u1ec7 \u0111\u01b0\u1eddng d\u00e2y \u0111i\u1ec7n, d\u00e2y c\u00e1p c\u1ee7a c\u00f4ng tr\u00ecnh c\u00f4ng nghi\u1ec7p. Trong b\u00e0i vi\u1ebft sau \u0111\u00e2y, Bestray s\u1ebd gi\u00fap b\u1ea1n hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1 ti\u00eau chu\u1ea9n TCVN 9208:2012.<\/p>\n<h2 style=\"text-align: justify;\"><strong>1. Ph\u1ea1m vi \u00e1p d\u1ee5ng TCVN 9208:2012<\/strong><\/h2>\n<p style=\"text-align: justify;\"><strong>Ti\u00eau chu\u1ea9n TCVN 9208:2012<\/strong> \u0111\u01b0a ra quy \u0111\u1ecbnh v\u1ec1 c\u00e1c y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt trong l\u1eafp \u0111\u1eb7t c\u00e1p v\u00e0 d\u00e2y d\u1eabn \u0111i\u1ec7n d\u00f9ng v\u1edbi \u0111i\u1ec7n \u00e1p xoay chi\u1ec1u l\u00ean \u0111\u1ebfn 24kV v\u00e0 \u0111i\u1ec7n \u00e1p m\u1ed9t chi\u1ec1u \u0111\u1ebfn 1500V cho c\u00e1c c\u00f4ng tr\u00ecnh c\u00f4ng nghi\u1ec7p. Ngo\u00e0i ra, c\u00e1c d\u00e2y \u0111i\u1ec7n v\u00e0 c\u00e1p \u0111i\u1ec7n trong c\u00e1c c\u00f4ng tr\u00ecnh \u0111\u01b0\u1ee3c \u0111\u1eb7t trong khay c\u00e1p, thang m\u00e1ng c\u00e1p, h\u1ed9p ch\u1ee9a c\u00e1p, \u1ed1ng lu\u1ed3n d\u00e2y, r\u00e3nh c\u00e1p, h\u1ea7m c\u00e1p, kh\u1ed1i \u1ed1ng c\u00e1p hay ch\u00f4n d\u01b0\u1edbi \u0111\u1ea5t ho\u1eb7c c\u00f3 th\u1ec3 treo l\u00ean d\u00e2y th\u00e9p \u0111\u1ee1 c\u00e1p.<\/p>\n<p style=\"text-align: justify;\">Ti\u00eau chu\u1ea9n TCVN 9208:2012 s\u1ebd kh\u00f4ng \u00e1p d\u1ee5ng cho vi\u1ec7c l\u1eafp \u0111\u1eb7t d\u00e2y d\u1eabn tr\u1ea7n c\u1ee7a nh\u1eefng tr\u1ea1m \u0111i\u1ec7n ngo\u00e0i tr\u1eddi, \u0111\u01b0\u1eddng d\u00e2y t\u1ea3i \u0111i\u1ec7n \u1edf tr\u00ean kh\u00f4ng v\u00e0 c\u00e1c c\u00f4ng tr\u00ecnh kh\u00e1c nh\u01b0: c\u00f4ng tr\u00ecnh ng\u1ea7m, h\u1ea3i c\u1ea3ng t\u1ea1i s\u00e2n bay, khu ch\u1ebf bi\u1ebfn d\u1ea7u m\u1ecf, h\u1ec7 th\u1ed1ng c\u00e1p d\u1ea7u v\u00e0 c\u00e1c thi\u1ebft b\u1ecb s\u1eed d\u1ee5ng trong l\u01b0\u1edbi \u0111i\u1ec7n c\u00e1p d\u1ea7u,&#8230; Nh\u01b0ng TCVN 9208:2012 s\u1ebd \u00e1p d\u1ee5ng cho c\u00e1c c\u00f4ng tr\u00ecnh d\u00e2n d\u1ee5ng.<\/p>\n<p style=\"text-align: justify;\">Khi th\u1ef1c hi\u1ec7n l\u1eafp \u0111\u1eb7t d\u00e2y v\u00e0 c\u00e1p \u0111i\u1ec7n, ngo\u00e0i vi\u1ec7c \u00e1p d\u1ee5ng ti\u00eau chu\u1ea9n<strong> TCVN 9208:2012<\/strong> th\u00ec c\u1ea7n ph\u1ea3i th\u1ecfa m\u00e3n nh\u1eefng quy \u0111\u1ecbnh trong c\u00e1c v\u0103n b\u1ea3n li\u00ean quan kh\u00e1c. Th\u1ef1c hi\u1ec7n l\u1eafp \u0111\u1eb7t h\u1ec7 th\u1ed1ng l\u01b0\u1edbi \u0111i\u1ec7n c\u00e1p d\u1ea7u ph\u1ea3i tu\u00e2n theo nh\u1eefng ti\u00eau chu\u1ea9n ng\u00e0nh 11-TCN-19-2006 c\u00e1c \u0111i\u1ec1u II 3.50 cho \u0111\u1ebfn \u0111i\u1ec1u II 3.59.<\/p>\n<h2 style=\"text-align: justify;\"><strong>2. T\u00e0i li\u1ec7u vi\u1ec7n d\u1eabn trong TCVN 9208:2012<\/strong><\/h2>\n<ul style=\"text-align: justify;\">\n<li>AS 3000 &#8211; 1991, Electrical Installation Australian Standards (Ti\u00eau chu\u1ea9n c\u1ee7a \u00dac v\u1ec1 l\u1eafp \u0111\u1eb7t \u0111i\u1ec7n).<\/li>\n<li>11 TCN 19:2006, Quy ph\u1ea1m trang b\u1ecb \u0111i\u1ec7n &#8211; Ph\u1ea7n II: H\u1ec7 th\u1ed1ng \u0111\u01b0\u1eddng d\u1eabn \u0111i\u1ec7n.<\/li>\n<li>Ti\u00eau chu\u1ea9n TCVN 9207:2012 quy \u0111\u1ecbnh v\u1ec1 \u201c\u0110\u1eb7t \u0111\u01b0\u1eddng d\u00e2y d\u1eabn \u0111i\u1ec7n trong nh\u00e0 \u1edf v\u00e0 c\u00f4ng tr\u00ecnh c\u00f4ng c\u1ed9ng &#8211; Ti\u00eau chu\u1ea9n thi\u1ebft k\u1ebf\u201d.<\/li>\n<li>Ti\u00eau chu\u1ea9n TCVN 9358:2012 (Thay th\u1ebf TCXDVN 319:2004) quy \u0111\u1ecbnh v\u1ec1 \u201cL\u1eafp \u0111\u1eb7t h\u1ec7 th\u1ed1ng n\u1ed1i \u0111\u1ea5t thi\u1ebft b\u1ecb cho c\u00e1c c\u00f4ng tr\u00ecnh c\u00f4ng nghi\u1ec7p &#8211; Y\u00eau c\u1ea7u chung\u201d.<\/li>\n<\/ul>\n<h2 style=\"text-align: justify;\"><strong>3. Thu\u1eadt ng\u1eef v\u00e0 \u0111\u1ecbnh ngh\u0129a trong TCVN 9208:2012<\/strong><\/h2>\n<h3 style=\"text-align: justify;\"><strong>3.1. H\u00e0o c\u00e1p (Cable Trench)<\/strong><\/h3>\n<p style=\"text-align: justify;\">Trong TCVN 9208:2012, r\u00e3nh c\u00e1p x\u00e2y ho\u1eb7c \u0111\u00fac b\u1eb1ng b\u00ea t\u00f4ng s\u1ebd d\u1eabn c\u00e1p \u0111i\u1ec7n trong nh\u00e0 v\u00e0 ngo\u00e0i tr\u1eddi b\u00ean tr\u00ean k\u00e8m theo n\u1eafp \u0111\u1eady b\u1eb1ng t\u1ea5m b\u00ea t\u00f4ng ho\u1eb7c t\u1ea5m th\u00e9p ch\u1ed1ng tr\u01a1n.<\/p>\n<h3 style=\"text-align: justify;\"><strong>3.2. Khay c\u00e1p (Cable tray)<\/strong><\/h3>\n<p style=\"text-align: justify;\">\u0110\u00e2y l\u00e0 ph\u01b0\u01a1ng ti\u1ec7n d\u00f9ng \u0111\u1ec3 ch\u1ee9a c\u00e1p d\u01b0\u1edbi d\u1ea1ng t\u1eebng \u0111o\u1ea1n khay \u0111\u1ee5c l\u1ed7. <strong><span style=\"color: #0000ff;\"><a style=\"color: #0000ff;\" href=\"https:\/\/bestray.com\/cable-management\/khay-cap\/\">Khay c\u00e1p<\/a><\/span> <\/strong>c\u00f3 chi\u1ec1u r\u1ed9ng th\u00edch h\u1ee3p v\u1edbi s\u1ed1 l\u01b0\u1ee3ng c\u00e1p ch\u1ee9a trong khay v\u00e0 ch\u1ebf t\u1ea1o t\u1eeb th\u00e9p ch\u1ecbu u\u1ed1n. B\u00ean c\u1ea1nh \u0111\u00f3, s\u1ea3n ph\u1ea9m s\u1ebd \u0111\u01b0\u1ee3c m\u1ea1 k\u1ebdm n\u00f3ng ho\u1eb7c s\u01a1n ch\u1ed1ng hoen g\u1ec9 v\u00e0 chi\u1ec1u d\u00e0i thu\u1eadn ti\u1ec7n cho vi\u1ec7c l\u1eafp \u0111\u1eb7t th\u00e0nh tuy\u1ebfn d\u00e0i \u0111\u01b0\u1ee3c treo b\u1eb1ng quang treo hay c\u1ed1 \u0111\u1ecbnh b\u1eb1ng gi\u00e1 \u0111\u1ee1.<\/p>\n<figure id=\"attachment_2617\" aria-describedby=\"caption-attachment-2617\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-2617\" src=\"https:\/\/bestray.com\/blog\/wp-content\/uploads\/2021\/12\/Hinh-1-Khay-cap-A10-13-1.jpg\" alt=\"khay c\u00e1p Bestray\" width=\"800\" height=\"500\" srcset=\"https:\/\/bestray.com\/blog\/wp-content\/uploads\/2021\/12\/Hinh-1-Khay-cap-A10-13-1.jpg 800w, https:\/\/bestray.com\/blog\/wp-content\/uploads\/2021\/12\/Hinh-1-Khay-cap-A10-13-1-300x188.jpg 300w, https:\/\/bestray.com\/blog\/wp-content\/uploads\/2021\/12\/Hinh-1-Khay-cap-A10-13-1-768x480.jpg 768w, https:\/\/bestray.com\/blog\/wp-content\/uploads\/2021\/12\/Hinh-1-Khay-cap-A10-13-1-696x435.jpg 696w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-2617\" class=\"wp-caption-text\"><span style=\"font-size: 16px;\">S\u1ea3n ph\u1ea9m khay c\u00e1p c\u1ee7a Bestray<\/span><\/figcaption><\/figure>\n<h3 style=\"text-align: justify;\"><strong>3.3. Thang c\u00e1p (Cable ladder)<\/strong><\/h3>\n<p style=\"text-align: justify;\">\u0110\u00e2y l\u00e0 ph\u01b0\u01a1ng ti\u1ec7n \u0111\u1ef1ng c\u00e1p d\u01b0\u1edbi d\u1ea1ng t\u1eebng \u0111o\u1ea1n th\u1eb3ng d\u00e0i. Theo TCVN 9208:2012, <strong><span style=\"color: #0000ff;\"><a style=\"color: #0000ff;\" href=\"https:\/\/bestray.com\/cable-management\/thang-cap\/\">thang c\u00e1p<\/a><\/span> <\/strong>s\u1ebd c\u00f3 chi\u1ec1u r\u1ed9ng ph\u00f9 h\u1ee3p v\u1edbi s\u1ed1 l\u01b0\u1ee3ng c\u00e1p ch\u1ee9a trong thang v\u00e0 chi\u1ec1u d\u00e0i thu\u1eadn ti\u1ec7n cho vi\u1ec7c l\u1eafp \u0111\u1eb7t c\u00f3 th\u1ec3 d\u00f9ng n\u1eafp \u0111\u1eady. B\u00ean c\u1ea1nh \u0111\u00f3, s\u1ea3n ph\u1ea9m \u0111\u01b0\u1ee3c ch\u1ebf t\u1ea1o t\u1eeb th\u00e9p ch\u1ecbu u\u1ed1n, m\u1ea1 k\u1ebdm n\u00f3ng ho\u1eb7c s\u01a1n ch\u1ed1ng g\u1ec9, ch\u1eafp l\u1ea1i v\u1edbi nhau th\u00e0nh tuy\u1ebfn thang d\u00e0i \u0111\u01b0\u1ee3c treo b\u1eb1ng quang treo ho\u1eb7c gi\u00e1 \u0111\u1ee1.<\/p>\n<figure id=\"attachment_2619\" aria-describedby=\"caption-attachment-2619\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-2619\" src=\"https:\/\/bestray.com\/blog\/wp-content\/uploads\/2021\/12\/Hinh-2-Thang-cap-A11-932.jpg\" alt=\"thang c\u00e1p\" width=\"800\" height=\"500\" srcset=\"https:\/\/bestray.com\/blog\/wp-content\/uploads\/2021\/12\/Hinh-2-Thang-cap-A11-932.jpg 800w, https:\/\/bestray.com\/blog\/wp-content\/uploads\/2021\/12\/Hinh-2-Thang-cap-A11-932-300x188.jpg 300w, https:\/\/bestray.com\/blog\/wp-content\/uploads\/2021\/12\/Hinh-2-Thang-cap-A11-932-768x480.jpg 768w, https:\/\/bestray.com\/blog\/wp-content\/uploads\/2021\/12\/Hinh-2-Thang-cap-A11-932-696x435.jpg 696w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-2619\" class=\"wp-caption-text\"><span style=\"font-size: 16px;\">S\u1ea3n ph\u1ea9m thang c\u00e1p Bestray<\/span><\/figcaption><\/figure>\n<h3 style=\"text-align: justify;\"><strong>3.4. H\u1ed9p c\u00e1p (Trunking)<\/strong><\/h3>\n<p style=\"text-align: justify;\">Ph\u01b0\u01a1ng ti\u1ec7n ch\u1ee9a d\u00e2y \u0111i\u1ec7n, d\u00e2y c\u00e1p \u0111i\u1ec7n v\u1edbi h\u00ecnh h\u1ed9p d\u00e0i c\u00f3 n\u1eafp \u0111\u1eady v\u00e0 ti\u1ebft di\u1ec7n vu\u00f4ng ho\u1eb7c h\u00ecnh ch\u1eef nh\u1eadt l\u00e0m t\u1eeb kim lo\u1ea1i ho\u1eb7c b\u1eb1ng v\u1eadt li\u1ec7u kh\u00e1c c\u00f3 \u0111\u1ed9 b\u1ec1n c\u01a1 h\u1ecdc cao.<\/p>\n<figure id=\"attachment_2620\" aria-describedby=\"caption-attachment-2620\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-2620\" src=\"https:\/\/bestray.com\/blog\/wp-content\/uploads\/2021\/12\/Hinh-3-Hop-cap-156.jpg\" alt=\"h\u1ed9p c\u00e1p\" width=\"800\" height=\"500\" srcset=\"https:\/\/bestray.com\/blog\/wp-content\/uploads\/2021\/12\/Hinh-3-Hop-cap-156.jpg 800w, https:\/\/bestray.com\/blog\/wp-content\/uploads\/2021\/12\/Hinh-3-Hop-cap-156-300x188.jpg 300w, https:\/\/bestray.com\/blog\/wp-content\/uploads\/2021\/12\/Hinh-3-Hop-cap-156-768x480.jpg 768w, https:\/\/bestray.com\/blog\/wp-content\/uploads\/2021\/12\/Hinh-3-Hop-cap-156-696x435.jpg 696w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-2620\" class=\"wp-caption-text\"><span style=\"font-size: 16px;\">H\u1ed9p c\u00e1p (Trunking)<\/span><\/figcaption><\/figure>\n<h3 style=\"text-align: justify;\"><strong>3.5. \u1ed0ng lu\u1ed3n d\u00e2y (Conduit)<\/strong><\/h3>\n<p style=\"text-align: justify;\">S\u1ea3n ph\u1ea9m n\u00e0y \u0111\u01b0\u1ee3c l\u00e0m b\u1eb1ng v\u1eadt li\u1ec7u ch\u1ecbu nhi\u1ec7t t\u1ed1t v\u00e0 c\u00f3 \u0111\u1ed9 b\u1ec1n c\u01a1 h\u1ecdc cao, d\u00f9ng \u0111\u1ec3 lu\u1ed3n d\u00e2y v\u00e0 c\u00e1p \u0111i\u1ec7n.<\/p>\n<h3 style=\"text-align: justify;\"><strong>3.6. H\u00e0nh lang k\u1ef9 thu\u1eadt (Technical gallery)<\/strong><\/h3>\n<p style=\"text-align: justify;\">H\u00e0nh lang ng\u1ea7m d\u01b0\u1edbi \u0111\u1ea5t \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng \u0111\u1ec3 l\u1eafp \u0111\u1eb7t c\u00e1c c\u1ea5u ki\u1ec7n \u0111\u1ee1 v\u00e0 d\u1eabn c\u00e1c d\u00e2y \u0111i\u1ec7n, c\u00e1p \u0111i\u1ec7n th\u00f4ng tin, c\u00e1c lo\u1ea1i \u1ed1ng c\u00f4ng ngh\u1ec7 t\u1eeb c\u00f4ng tr\u00ecnh n\u00e0y sang c\u00f4ng tr\u00ecnh kh\u00e1c theo quy \u0111\u1ecbnh <strong>TCVN 9208:2012<\/strong>. Th\u00f4ng th\u01b0\u1eddng, b\u00ean trong h\u00e0nh lang s\u1ebd c\u00f3 b\u1ed1 tr\u00ed l\u1ed1i \u0111i cho ng\u01b0\u1eddi ph\u1ee5c v\u1ee5.<\/p>\n<h3 style=\"text-align: justify;\"><strong>3.7. T\u1ea7ng k\u1ef9 thu\u1eadt (Technical Floor)<\/strong><\/h3>\n<p style=\"text-align: justify;\"><strong>TCVN 9208:2012<\/strong> quy \u0111\u1ecbnh t\u1ea7ng k\u1ef9 thu\u1eadt \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf x\u00e2y d\u1ef1ng d\u00e0nh ri\u00eang cho vi\u1ec7c l\u1eafp \u0111\u1eb7t c\u00e1c h\u1ec7 th\u1ed1ng d\u00e2y \u0111i\u1ec7n c\u1ee9ng ho\u1eb7c m\u1ec1m v\u00e0 c\u00e1p \u0111i\u1ec7n, c\u00e1c h\u1ec7 th\u1ed1ng c\u00e1p th\u00f4ng tin v\u00e0 c\u00e1c h\u1ec7 th\u1ed1ng \u1ed1ng c\u00f4ng ngh\u1ec7 nh\u01b0: \u1ed1ng b\u1ea3o \u00f4n, \u1ed1ng truy\u1ec1n nhi\u1ec7t,&#8230; t\u1eeb ph\u1ea7n n\u00e0y sang ph\u1ea7n kh\u00e1c c\u1ee7a c\u00f4ng tr\u00ecnh th\u00f4ng qua h\u1ec7 th\u1ed1ng \u1ed1ng k\u1ef9 thu\u1eadt.<\/p>\n<h3 style=\"text-align: justify;\"><strong>3.8. H\u1ed9p k\u1ef9 thu\u1eadt (Technical Box)<\/strong><\/h3>\n<p style=\"text-align: justify;\">\u0110\u00e2y l\u00e0 ph\u1ea7n kh\u00f4ng gian \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng n\u1ed1i th\u00f4ng c\u00e1c t\u1ea7ng c\u1ee7a c\u00e1c c\u00f4ng tr\u00ecnh m\u00e0 \u1edf \u0111\u00f3 l\u1eafp \u0111\u1eb7t c\u00e1c gi\u00e1 \u0111\u1ee1, thang c\u00e1p v\u00e0 c\u00e1c gi\u00e1 \u0111\u1ee1 \u1ed1ng c\u00f4ng ngh\u1ec7 kh\u00e1c t\u1eeb t\u1ea7ng n\u00e0y sang t\u1ea7ng kia c\u1ee7a c\u00f4ng tr\u00ecnh.<\/p>\n<h3 style=\"text-align: justify;\"><strong>3.9. H\u1ed1 lu\u1ed3n c\u00e1p (Cable hole)<\/strong><\/h3>\n<p style=\"text-align: justify;\">H\u1ed1 lu\u1ed3n c\u00e1p gi\u00fap cho vi\u1ec7c lu\u1ed3n d\u00e2y qua nh\u1eefng n\u01a1i kh\u00f4ng ti\u1ec7n \u0111\u00e0o x\u1edbi m\u1eb7t \u0111\u1ea5t khi c\u1ea7n b\u1ea3o tr\u00ec thay th\u1ebf cho c\u00e1p.<\/p>\n<h3 style=\"text-align: justify;\"><strong>3.10. H\u1ed1 ga (Boot)<\/strong><\/h3>\n<p style=\"text-align: justify;\">H\u1ed1 ga gi\u00fap thu gom n\u01b0\u1edbc c\u1ee7a h\u1ec7 th\u1ed1ng tho\u00e1t n\u01b0\u1edbc (c\u1ee7a r\u00e3nh c\u00e1p).<\/p>\n<h3 style=\"text-align: justify;\"><strong>3.11. Kh\u1ed1i \u1ed1ng c\u00e1p (Cable block)<\/strong><\/h3>\n<p style=\"text-align: justify;\">\u0110\u00e2y l\u00e0 h\u1ec7 th\u1ed1ng \u1ed1ng lu\u1ed3n c\u00e1p b\u1eb1ng g\u1ed1m ho\u1eb7c b\u1eb1ng nh\u1ef1a \u0111\u01b0\u1ee3c \u0111\u1eb7t trong v\u1ecf b\u1ecdc b\u1eb1ng b\u00ea t\u00f4ng.<\/p>\n<h3 style=\"text-align: justify;\"><strong>3.12. H\u1ed9p n\u1ed1i c\u00e1p (Cable joint)<\/strong><\/h3>\n<p style=\"text-align: justify;\">H\u1ed9p n\u1ed1i c\u00e1p l\u00e0 c\u1ea5u ki\u1ec7n b\u1eb1ng kim lo\u1ea1i, b\u00ean trong c\u00f3 ch\u1ee9a ph\u1ea7n n\u1ed1i \u0111\u1ea7u c\u00e1p v\u1edbi ki\u1ec3u n\u1ed1i th\u1eb3ng, n\u1ed1i ch\u1eef T ho\u1eb7c n\u1ed1i ch\u1eef th\u1eadp. Ph\u1ea7n n\u1ed1i c\u00e1p s\u1ebd \u0111\u01b0\u1ee3c c\u00e1ch \u0111i\u1ec7n v\u1edbi l\u1edbp v\u1ecf kim lo\u1ea1i \u0111\u00fang v\u1edbi TCVN 9208:2012.<\/p>\n<h3 style=\"text-align: justify;\"><strong>3.13. M\u0103ng s\u00f4ng \u0111\u1ec7m c\u00e1p (Cable gland)<\/strong><\/h3>\n<p style=\"text-align: justify;\">Trong TCVN 9208:2012, m\u0103ng s\u00f4ng \u0111\u1ec7m c\u00e1p l\u00e0 ph\u1ee5 ki\u1ec7n c\u1ed1 \u0111\u1ecbnh gi\u00fap b\u1ea3o v\u1ec7 c\u00e1p khi lu\u1ed3n qua t\u1ea5m \u0111\u00e1y b\u1ea3ng \u0111i\u1ec7n, th\u01b0\u1eddng \u0111\u01b0\u1ee3c ch\u1ebf t\u1ea1o b\u1eb1ng \u0111\u1ed3ng thau ho\u1eb7c polycarbonate. N\u00f3 c\u00f3 th\u00e2n gi\u1ed1ng m\u1ed9t \u0111o\u1ea1n \u1ed1ng ng\u1eafn, \u0111\u01b0\u1eddng k\u00ednh trong t\u01b0\u01a1ng th\u00edch v\u1edbi \u0111\u01b0\u1eddng k\u00ednh ngo\u00e0i c\u1ee7a c\u00e1p \u0111i\u1ec7n lu\u1ed3n qua n\u00f3, m\u1ed9t \u0111\u1ea7u c\u00f3 ren ngo\u00e0i \u0111\u1ec3 lu\u1ed3n qua \u0111\u00e1y b\u1ea3ng v\u00e0 m\u1ed9t v\u00e0nh h\u00e3m d\u1ea1ng ecu c\u00f3 ren trong \u0111\u1ec3 b\u1eaft ch\u1eb7t ph\u00eda tr\u00ean t\u1ea7m \u0111\u00e1y.<\/p>\n<h3 style=\"text-align: justify;\"><strong>3.14. C\u00e1p h\u1ea1 \u00e1p (Low voltage cable)<\/strong><\/h3>\n<p style=\"text-align: justify;\">C\u00e1p h\u1ea1 \u00e1p d\u00f9ng cho c\u00e1c d\u00e2y d\u1eabn \u0111i\u1ec7n v\u1edbi nhau s\u1ebd c\u00f3 \u0111i\u1ec7n \u00e1p xoay chi\u1ec1u kh\u00f4ng l\u1edbn h\u01a1n 100V ho\u1eb7c \u0111i\u1ec7n \u00e1p m\u1ed9t chi\u1ec1u 1500V theo quy \u0111\u1ecbnh TCVN 9208:2012. C\u00f2n gi\u1eefa d\u00e2y \u0111i\u1ec7n v\u00e0 d\u00e2y ti\u1ebfp \u0111\u1ea5t s\u1ebd c\u00f3 \u0111i\u1ec7n \u00e1p xoay chi\u1ec1u kh\u00f4ng l\u1edbn h\u01a1n 600V ho\u1eb7c \u0111i\u1ec7n \u00e1p m\u1ed9t chi\u1ec1u 900V.<\/p>\n<h3 style=\"text-align: justify;\"><strong>3.15. C\u00e1p l\u1ef1c h\u1ea1 \u00e1p (Electric power cable)<\/strong><\/h3>\n<p style=\"text-align: justify;\">C\u00e1p l\u1ef1c h\u1ea1 \u00e1p d\u00f9ng cho m\u1ea1ch \u0111i\u1ec7n s\u01a1 c\u1ea5p t\u1eeb thanh c\u00e1i ph\u00e2n ph\u1ed1i h\u1ea1 \u00e1p \u0111\u1ebfn cho c\u00e1c ph\u1ee5 t\u1ea3i \u0111i\u1ec7n l\u1ef1c, kh\u00e1c v\u1edbi c\u00e1p d\u00f9ng cho m\u1ea1ch \u0111i\u1ec1u khi\u1ec3n, \u0111o l\u01b0\u1eddng, b\u1ea3o v\u1ec7, t\u00edn hi\u1ec7u, th\u00f4ng tin, b\u00e1o ch\u00e1y,&#8230;<\/p>\n<h3 style=\"text-align: justify;\"><strong>3.16. C\u00e1p trung \u00e1p (Medium voltage cable)<\/strong><\/h3>\n<p style=\"text-align: justify;\">C\u00e1p trung \u00e1p d\u00f9ng v\u1edbi \u0111i\u1ec7n \u00e1p l\u1edbn h\u01a1n 1kV nh\u01b0ng kh\u00f4ng \u0111\u01b0\u1ee3c ph\u00e9p l\u1edbn h\u01a1n \u0111i\u1ec7n \u00e1p 35 kV xoay chi\u1ec1u.<\/p>\n<h3 style=\"text-align: justify;\"><strong>3.17. Kh\u00e2u thu h\u1eb9p (Reducer)<\/strong><\/h3>\n<p style=\"text-align: justify;\">Ph\u1ee5 ki\u1ec7n khay, thang c\u00e1p d\u00f9ng \u0111\u1ec3 chuy\u1ec3n ti\u1ebfp t\u1eeb m\u1ed9t khay c\u00e1p ho\u1eb7c thang c\u00e1p r\u1ed9ng chuy\u1ec3n sang m\u1ed9t khay ho\u1eb7c thang c\u00e1p h\u1eb9p h\u01a1n, theo TCVN 9208:2012.<\/p>\n<h3 style=\"text-align: justify;\"><strong>3.18. C\u00fat (Bend)<\/strong><\/h3>\n<p style=\"text-align: justify;\">C\u00e1c \u0111o\u1ea1n khay, thang c\u00e1p ho\u1eb7c \u1ed1ng lu\u1ed3n d\u00e2y s\u1ebd \u0111\u01b0\u1ee3c u\u1ed1n theo m\u1ed9t b\u00e1n k\u00ednh cong nh\u1ea5t \u0111\u1ecbnh \u0111\u1ec3 \u0111\u1ed5i h\u01b0\u1edbng \u0111i c\u1ee7a tuy\u1ebfn c\u00e1p.<\/p>\n<h2 style=\"text-align: justify;\"><strong>4. Quy \u0111\u1ecbnh chung c\u1ee7a TCVN 9208:2012<\/strong><\/h2>\n<p style=\"text-align: justify;\"><strong>4.1.<\/strong> Nh\u1eefng quy \u0111\u1ecbnh <strong>TCVN 9208:2012<\/strong> \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng nhi\u1ec1u cho vi\u1ec7c l\u1eafp \u0111\u1eb7t d\u00e2y \u0111i\u1ec7n, d\u00e2y c\u00e1p ngo\u1ea1i tr\u1eeb nh\u1eefng m\u1ea1ch t\u1ea1o th\u00e0nh c\u00e1c b\u1ed9 ph\u1eadn nguy\u00ean th\u1ec3 nh\u01b0: \u0111\u1ed9ng c\u01a1 \u0111i\u1ec7n, c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec1u khi\u1ec3n, b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n v\u00e0 nh\u1eefng thi\u1ebft b\u1ecb kh\u00e1c \u0111\u00e3 t\u1ed5 h\u1ee3p s\u1eb5n t\u1ea1i nh\u00e0 ch\u1ebf t\u1ea1o.<\/p>\n<p style=\"text-align: justify;\"><strong>4.2.<\/strong> Ngo\u1ea1i tr\u1eeb m\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p \u0111\u1eb7c bi\u1ec7t, c\u00e1p v\u00e0 d\u00e2y \u0111i\u1ec7n \u0111\u01b0\u1ee3c d\u00f9ng cho c\u00f4ng tr\u00ecnh c\u00f4ng nghi\u1ec7p ph\u1ea3i \u0111\u01b0\u1ee3c ch\u1ee9a trong c\u00e1c ph\u01b0\u01a1ng ti\u1ec7n nh\u01b0: khay c\u00e1p, thang c\u00e1p, \u1ed1ng lu\u1ed3n d\u00e2y, h\u1ed9p c\u00e1p, r\u00e3nh c\u00e1p,&#8230; ho\u1eb7c ch\u00f4n \u1edf d\u01b0\u1edbi \u0111\u1ea5t, \u0111\u00fang v\u1edbi TCVN 9208:2012.<\/p>\n<p style=\"text-align: justify;\"><strong>4.3.<\/strong> <strong>TCVN 9208:2012<\/strong> kh\u00f4ng cho ph\u00e9p \u0111\u1eb7t c\u00e1p khi ch\u01b0a ho\u00e0n th\u00e0nh l\u1eafp \u0111\u1eb7t c\u00e1c ph\u01b0\u01a1ng ti\u1ec7n bao che nh\u01b0: \u1ed1ng lu\u1ed3n d\u00e2y, khay c\u00e1p, thang c\u00e1p, h\u1ed9p c\u00e1p, r\u00e3nh c\u00e1p,&#8230;<\/p>\n<p style=\"text-align: justify;\"><strong>4.4.<\/strong> Trong TCVN 9208:2012, m\u1ed1i n\u1ed1i c\u00e1p ho\u1eb7c d\u00e2y \u0111i\u1ec7n ch\u1ec9 \u0111\u01b0\u1ee3c ch\u1ea5p nh\u1eadn trong c\u00e1c tr\u01b0\u1eddng h\u1ee3p nh\u01b0 sau:<\/p>\n<ol style=\"text-align: justify;\">\n<li>\u0110i\u1ec3m n\u1ed1i \u1edf b\u00ean trong c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n v\u00e0 kh\u00ed c\u1ee5 \u0111i\u1ec7n.<\/li>\n<li>\u0110i\u1ec3m n\u1ed1i n\u1eb1m tr\u00ean d\u00e2y ti\u1ebfp \u0111\u1ea5t ph\u1ea3i \u0111i c\u00f9ng tuy\u1ebfn c\u00e1p. C\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n n\u1ed1i ho\u1eb7c ph\u00e2n nh\u00e1nh d\u00e2y ti\u1ebfp \u0111\u1ea5t ngay trong khay c\u00e1p, thang c\u00e1p ho\u1eb7c h\u1ed9p c\u00e1p.<\/li>\n<li>\u0110i\u1ec3m n\u1ed1i \u1edf b\u00ean trong c\u00e1c h\u1ed9p n\u1ed1i v\u00e0 ph\u1ee5 ki\u1ec7n chuy\u00ean d\u1ee5ng thu\u1ed9c c\u00e1c m\u1ea1ch chi\u1ebfu s\u00e1ng, \u1ed5 c\u1eafm, th\u00f4ng tin, b\u00e1o ch\u00e1y,&#8230;<\/li>\n<li>\u0110\u01b0\u1eddng c\u00e1p c\u1ea7n \u0111\u1eb7t c\u00f3 nhi\u1ec1u chi\u1ec1u d\u00e0i l\u1edbn h\u01a1n chi\u1ec1u d\u00e0i t\u1ed1i \u0111a c\u1ee7a cu\u1ed9n c\u00e1p tr\u00ean thang c\u00e1p.<\/li>\n<\/ol>\n<p style=\"text-align: justify;\"><strong>4.5.<\/strong> Trong TCVN 9208:2012, c\u00e1p t\u1eeb d\u01b0\u1edbi \u0111\u1ea5t \u0111i l\u00ean ho\u1eb7c lu\u1ed3n qua t\u01b0\u1eddng ph\u1ea3i \u0111\u1eb7t trong c\u00e1c \u0111o\u1ea1n \u1ed1ng lu\u1ed3n c\u00e1p c\u1ee9ng v\u00e0 ph\u1ea3i th\u1ef1c hi\u1ec7n bi\u1ec7n ph\u00e1p ch\u1ed1ng th\u1ea5m n\u01b0\u1edbc, ch\u1ed1ng \u0103n m\u00f2n v\u00e0 ph\u00e1 ho\u1ea1i c\u01a1 h\u1ecdc.<\/p>\n<p style=\"text-align: justify;\"><strong>4.6.<\/strong> M\u0103ng s\u00f4ng \u0111\u1ec7m c\u00e1p, gi\u00e1 \u0111\u1ee1 ho\u1eb7c quang treo v\u00e0 c\u00e1c ph\u1ee5 ki\u1ec7n kh\u00e1c d\u00f9ng \u0111\u1ec3 l\u1eafp \u0111\u1eb7t c\u00e1p ph\u1ea3i \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7 ch\u1ed1ng hoen g\u1ec9 v\u00e0 ch\u1ed1ng \u0103n m\u00f2n b\u1eb1ng c\u00e1ch m\u1ea1 k\u1ebdm n\u00f3ng ho\u1eb7c s\u01a1n ph\u1ee7 b\u1ec1 m\u1eb7t ngo\u00e0i \u0111\u1ec3 ch\u1ed1ng g\u1ec9 \u0111\u00fang v\u1edbi quy \u0111\u1ecbnh TCVN 9208:2012.<\/p>\n<p style=\"text-align: justify;\"><strong>4.7.<\/strong> N\u1ebfu \u1edf m\u1ed9t \u0111i\u1ec3m n\u00e0o \u0111\u00f3 c\u1ee7a c\u00e1p c\u00f3 nguy c\u01a1 b\u1ecb ph\u00e1 ho\u1ea1i c\u01a1 h\u1ecdc th\u00ec ngay v\u1ecb tr\u00ed \u0111\u00f3 ph\u1ea3i b\u1ea3o v\u1ec7 c\u00e1p trong ph\u01b0\u01a1ng ti\u1ec7n bao che ch\u1eafc ch\u1eafn.<\/p>\n<p style=\"text-align: justify;\"><strong>4.8.<\/strong> T\u1ea1i nh\u1eefng \u0111\u1ecba \u0111i\u1ec3m c\u00f3 xe c\u1ed9 hay qua l\u1ea1i, ph\u1ea3i \u0111\u1eb7t c\u00e1p trong \u1ed1ng lu\u1ed3n d\u00e2y ch\u1ecbu l\u1ef1c \u1edf \u0111\u1ed9 s\u00e2u t\u1ed1i thi\u1ec3u l\u00e0 1m t\u00ednh t\u1eeb m\u1eb7t \u0111\u1ea5t xu\u1ed1ng t\u1edbi b\u1ec1 m\u1eb7t tr\u00ean c\u00f9ng c\u1ee7a ph\u01b0\u01a1ng ti\u1ec7n bao che c\u00e1p \u0111i\u1ec7n, theo quy \u0111\u1ecbnh c\u1ee7a TCVN 9208:2012.<\/p>\n<p style=\"text-align: justify;\"><strong>4.9.<\/strong> Trong TCVN 9208:2012 tuy\u1ebfn c\u00e1p c\u1ea7n ph\u1ea3i \u0111\u01b0\u1ee3c ch\u1ecdn l\u1ef1a sao cho ng\u1eafn nh\u1ea5t v\u00e0 v\u1eabn \u0111\u1ea3m b\u1ea3o an to\u00e0n kh\u00f4ng b\u1ecb h\u01b0 h\u1ecfng v\u1ec1 c\u01a1 h\u1ecdc, do ch\u1ea5n \u0111\u1ed9ng, b\u1ecb hoen g\u1ec9, b\u1ecb n\u00f3ng qu\u00e1 m\u1ee9c quy \u0111\u1ecbnh ho\u1eb7c b\u1ecb c\u00e1c tia h\u1ed3 quang do c\u00e1c \u0111\u01b0\u1eddng c\u00e1p \u0111\u1eb7t s\u00e1t nhau g\u00e2y ra. H\u01a1n n\u1eefa, c\u1ea7n tr\u00e1nh \u0111\u1eb7t c\u00e1c d\u00e2y c\u00e1p b\u1eaft ch\u00e9o l\u00ean nhau ho\u1eb7c v\u1eaft ch\u00e9o l\u00ean c\u00e1c \u0111\u01b0\u1eddng \u1ed1ng d\u1eabn kh\u00e1c.<\/p>\n<p style=\"text-align: justify;\"><strong>4.10.<\/strong> C\u1ea7n b\u1ed1 tr\u00ed c\u00e1c h\u1ed1 lu\u1ed3n c\u00e1p cho m\u1ed9t \u0111o\u1ea1n tuy\u1ebfn c\u00e1p \u0111i qua m\u1ed9t khu v\u1ef1c v\u1edbi b\u1ec1 m\u1eb7t l\u00e1t g\u1ea1ch ho\u1eb7c \u0111\u1ed5 b\u00ea t\u00f4ng nh\u1eb1m gi\u00fap b\u1ea3o tr\u00ec, thay th\u1ebf c\u00e1p khi c\u1ea7n s\u1eeda ch\u1eefa d\u1ec5 d\u00e0ng. Theo TCVN 9208:2012, h\u1ed1 c\u1ea7n ph\u1ea3i c\u00f3 k\u00edch th\u01b0\u1edbc ph\u00f9 h\u1ee3p v\u1edbi y\u00eau c\u1ea7u l\u1eafp \u0111\u1eb7t c\u00e1p v\u00e0 ph\u1ea3i c\u00f3 gi\u1ea3i ph\u00e1p tho\u00e1t n\u01b0\u1edbc \u0111\u1ec3 c\u00e1p kh\u00f4ng b\u1ecb ng\u00e2m trong n\u01b0\u1edbc. \u0110\u1ed3ng th\u1eddi, n\u1eafp \u0111\u1eady v\u00e0 c\u1ea5u tr\u00fac h\u1ed1 lu\u1ed3n c\u00e1p ph\u1ea3i ch\u1ecbu \u0111\u01b0\u1ee3c t\u1ea3i tr\u1ecdng b\u1ec1 m\u1eb7t.<\/p>\n<p style=\"text-align: justify;\"><strong>4.11.<\/strong> D\u1ef1a theo TCVN 9208:2012, c\u00e1c c\u00f4ng tr\u00ecnh c\u1ea7n ch\u1ecdn tuy\u1ebfn c\u00e1p trong ph\u1ea1m vi c\u00f3 th\u1ec3, c\u1ea7n tr\u00e1nh c\u00e1c v\u00f9ng \u0111\u1ea5t c\u00f3 ch\u1ea5t \u0103n m\u00f2n v\u1ecf kim lo\u1ea1i c\u1ee7a c\u00e1p.<\/p>\n<p style=\"text-align: justify;\"><strong>4.12.<\/strong> \u0110\u1ec3 tr\u00e1nh cho \u0111\u01b0\u1eddng d\u00e2y c\u00e1p kh\u1ecfi b\u1ecb h\u01b0 h\u1ecfng v\u00e0 g\u00e2y ra cho c\u00e1p c\u00e1c l\u1ef1c c\u01a1 h\u1ecdc nguy hi\u1ec3m trong qu\u00e1 tr\u00ecnh l\u1eafp r\u00e1p v\u00e0 v\u1eadn h\u00e0nh, theo TCVN 9208:2012 ph\u1ea3i tu\u00e2n th\u1ee7 c\u00e1c y\u00eau c\u1ea7u sau \u0111\u00e2y:<\/p>\n<ol style=\"text-align: justify;\">\n<li>C\u00e1c d\u00e2y c\u00e1p c\u1ea7n ph\u1ea3i c\u00f3 d\u1ef1 ph\u00f2ng theo chi\u1ec1u d\u00e0i t\u1eeb 1%-3% (\u0111\u1eb7t theo ki\u1ec3u r\u1eafn b\u00f2) nh\u1eb1m gi\u00fap cho c\u00e1p c\u00f3 th\u1ec3 co d\u00e3n \u0111\u01b0\u1ee3c khi \u0111\u1ea5t b\u1ecb bi\u1ebfn d\u1ea1ng b\u1edfi nhi\u1ec7t \u0111\u1ed9 c\u1ee7a b\u1ea3n th\u00e2n c\u00e1p c\u0169ng nh\u01b0 c\u00e1c k\u1ebft c\u1ea5u \u0111\u1eb7t c\u00e1p. B\u00ean c\u1ea1nh \u0111\u00f3, c\u1ea5m d\u1ef1 ph\u00f2ng c\u00e1p theo ki\u1ec3u khoanh v\u00f2ng (h\u00ecnh xo\u1eafn \u1ed1c ho\u1eb7c l\u00f2 xo).<\/li>\n<li>\u0110\u1ed1i v\u1edbi c\u00e1c d\u00e2y c\u00e1p \u0111\u1eb7t n\u1eb1m ngang tr\u00ean c\u00e1c k\u1ebft c\u1ea5u, t\u01b0\u1eddng x\u00e0,&#8230; ph\u1ea3i \u0111\u01b0\u1ee3c k\u1eb9p ch\u1eb7t t\u1ea1i \u0111i\u1ec3m cu\u1ed1i, \u1edf c\u1ea3 hai ph\u00eda c\u1ee7a \u0111o\u1ea1n c\u00e1p u\u1ed1n v\u00e0 c\u00e1c h\u1ed9p n\u1ed1i kh\u00e1c.<\/li>\n<li>C\u00e1c d\u00e2y c\u00e1p \u0111\u1eb7t th\u1eb3ng \u0111\u1ee9ng v\u1edbi c\u00e1c k\u1ebft c\u1ea5u, theo t\u01b0\u1eddng ph\u1ea3i \u0111\u01b0\u1ee3c k\u1eb9p \u0111\u00fang theo m\u1ee9c t\u00ednh to\u00e1n nh\u1eb1m gi\u00fap cho l\u1edbp ngo\u00e0i c\u1ee7a c\u00e1p kh\u00f4ng b\u1ecb bi\u1ebfn d\u1ea1ng v\u00e0 tr\u00e1nh h\u01b0 h\u1ecfng ch\u1ed7 n\u1ed1i ru\u1ed9t c\u00e1p trong c\u00e1c tr\u01b0\u1eddng h\u1ee3p n\u1ed1i do t\u00e1c d\u1ee5ng tr\u1ecdng l\u01b0\u1ee3ng b\u1ea3n th\u00e2n c\u00e1p nh\u01b0 quy \u0111\u1ecbnh c\u1ee7a TCVN 9208:2012.<\/li>\n<li>K\u1ebft c\u1ea5u \u0111\u1ee1 lo\u1ea1i c\u00e1p kh\u00f4ng b\u1ecdc th\u00e9p ph\u1ea3i l\u00e0m nh\u01b0 th\u1ebf n\u00e0o \u0111\u1ec3 tr\u00e1nh \u0111\u01b0\u1ee3c nh\u1eefng h\u01b0 h\u1ea1i v\u1ec1 c\u01a1 h\u1ecdc cho v\u1ecf c\u00e1p. T\u1ea1i v\u1ecb tr\u00ed k\u1eb9p c\u00e1p ph\u1ea3i d\u00f9ng c\u00e1c \u0111\u1ec7m \u0111\u00e0n h\u1ed3i \u0111\u1ec3 bao b\u1ecdc.<\/li>\n<li>C\u00e1c lo\u1ea1i c\u00e1p (k\u1ec3 c\u1ea3 c\u00e1p b\u1ecdc th\u00e9p) \u0111\u1eb7t \u1edf nh\u1eefng v\u1ecb tr\u00ed c\u00f3 th\u1ec3 x\u1ea3y ra h\u01b0 h\u1ea1i do va ch\u1ea1m m\u1ea1nh (ch\u1ed7 \u00f4 t\u00f4 qua l\u1ea1i, ch\u1ed7 chuy\u00ean ch\u1edf m\u00e1y m\u00f3c, h\u00e0ng h\u00f3a,&#8230;) ph\u1ea3i \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7 \u0111\u1ebfn chi\u1ec1u cao 2m k\u1ec3 t\u1eeb m\u1eb7t \u0111\u1ea5t ho\u1eb7c m\u1eb7t n\u1ec1n theo quy \u0111\u1ecbnh trong TCVN 9208:2012.<\/li>\n<\/ol>\n<p style=\"text-align: justify;\"><strong>4.13.<\/strong> Theo TCVN 9208:2012, m\u1ed7i d\u00e2y \u0111i\u1ec7n, d\u00e2y c\u00e1p ph\u1ea3i \u0111\u01b0\u1ee3c treo ho\u1eb7c \u0111\u1ee1 sao cho n\u00f3 kh\u00f4ng ch\u1ecbu l\u1ef1c k\u00e9o qu\u00e1 l\u1edbn v\u00e0 \u0111\u1ea7u cu\u1ed1i c\u00e1p hay d\u00e2y kh\u00f4ng ch\u1ecbu l\u1ef1c k\u00e9o k\u1ec3 c\u1ea3 l\u1ef1c k\u00e9o xu\u1ea5t ph\u00e1t t\u1eeb tr\u1ecdng l\u01b0\u1ee3ng b\u1ea3n th\u00e2n c\u00e1p ho\u1eb7c d\u00e2y \u0111i\u1ec7n.<\/p>\n<p style=\"text-align: justify;\"><strong>4.14.<\/strong> Trong TCVN 9208:2012, m\u1ecdi ph\u01b0\u01a1ng ti\u1ec7n b\u1ea3o v\u1ec7 d\u00e2y c\u00e1p, d\u00e2y \u0111i\u1ec7n nh\u01b0 \u1ed1ng lu\u1ed3n d\u00e2y, khay c\u00e1p, thang c\u00e1p, h\u1ed9p c\u00e1p ph\u1ea3i \u0111\u01b0\u1ee3c c\u1ed1 \u0111\u1ecbnh sao cho d\u01b0\u1edbi t\u00e1c h\u1ea1i c\u01a1 h\u1ecdc c\u00f3 th\u1ec3 x\u1ea3y ra trong l\u00fac v\u1eadn h\u00e0nh s\u1ebd kh\u00f4ng g\u00e2y nguy hi\u1ec3m cho ch\u00fang. \u0110\u1ed3ng th\u1eddi, c\u1ea7n c\u00f3 ph\u01b0\u01a1ng ph\u00e1p c\u1ed1 \u0111\u1ecbnh \u1ed1ng lu\u1ed3n d\u00e2y PVC c\u1ee9ng ph\u1ea3i cho ph\u00e9p \u1ed1ng d\u1ec5 d\u00e0ng co d\u00e3n t\u1ef1 do theo s\u1ef1 thay \u0111\u1ed5i nhi\u1ec7t \u0111\u1ed9 khi v\u1eadn h\u00e0nh, \u0111\u00fang v\u1edbi quy \u0111\u1ecbnh TCVN 9208:2012.<\/p>\n<p style=\"text-align: justify;\"><strong>4.15.<\/strong> C\u00e1c c\u00f4ng tr\u00ecnh th\u1ef1c hi\u1ec7n \u0111\u1eb7t c\u00e1p ph\u1ea3i \u0111\u01b0\u1ee3c l\u00e0m b\u1eb1ng c\u00e1c v\u1eadt li\u1ec7u kh\u00f4ng ch\u00e1y v\u00e0 c\u00e1c k\u1ebft c\u1ea5u \u0111\u1ee1 c\u00e1p c\u0169ng ph\u1ea3i l\u00e0m b\u1eb1ng v\u1eadt li\u1ec7u kh\u00f4ng ch\u00e1y.<\/p>\n<p style=\"text-align: justify;\"><strong>4.16.<\/strong> Theo TCVN 9208:2012, c\u00e1c c\u00e1p \u0111\u1eb7t \u1edf ngo\u00e0i tr\u1eddi c\u1ea7n ph\u1ea3i c\u00f3 bi\u1ec7n ph\u00e1p b\u1ea3o v\u1ec7 d\u00e2y c\u00e1p \u0111\u1ec3 gi\u00fap c\u00e1p kh\u00f4ng b\u1ecb \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp c\u1ee7a tia s\u00e1ng m\u1eb7t tr\u1eddi v\u00e0 tr\u00e1nh \u0111\u01b0\u1ee3c \u1ea3nh h\u01b0\u1edfng c\u1ee7a c\u00e1c ngu\u1ed3n nhi\u1ec7t kh\u00e1c.<\/p>\n<p style=\"text-align: justify;\"><strong>4.17.<\/strong> Khi treo c\u00e1p b\u1eb1ng d\u00e2y \u0111\u1ee1 c\u00e1p c\u1ea7n ph\u1ea3i \u0111\u1eb7t n\u00f3 \u1edf m\u1ed9t \u0111\u1ed9 cao n\u1eb1m ngo\u00e0i t\u1ea7m t\u00e1c \u0111\u1ed9ng c\u01a1 h\u1ecdc t\u1eeb c\u00e1c lo\u1ea1i xe c\u01a1 gi\u1edbi v\u00e0 ph\u1ea3i treo c\u00e1p v\u00e0o d\u00e2y th\u00e9p sau m\u1ed7i c\u1ef1 ly 0,3m trong t\u01b0 th\u1ebf h\u01a1i ch\u00f9ng. Tr\u01b0\u1edbc \u0111i\u1ec3m treo c\u00e1p \u0111\u1ea7u ti\u00ean v\u00e0 sau \u0111i\u1ec3m treo c\u00e1p cu\u1ed1i c\u00f9ng ph\u1ea3i \u0111\u1ec3 1 v\u00f2ng c\u00e1p h\u00ecnh ch\u1eef U s\u00e2u kh\u00f4ng \u00edt h\u01a1n 0,15m d\u1ef1a tr\u00ean y\u00eau c\u1ea7u TCVN 9208:2012.<\/p>\n<p style=\"text-align: justify;\"><strong>4.18.<\/strong> \u0110\u1ed1i v\u1edbi h\u00e0ng k\u1eb9p \u0111\u1ea7u d\u00e2y ho\u1eb7c c\u1ea7u \u0111\u1ea5u d\u00e2y, m\u1ed7i k\u1eb9p \u0111\u1ea7u d\u00e2y ho\u1eb7c c\u1ea7u \u0111\u1ea5u d\u00e2y v\u1ec1 m\u1ed7i ph\u00eda ch\u1ec9 \u0111\u01b0\u1ee3c ti\u1ebfp nh\u1eadn t\u1ed1i \u0111a hai \u0111\u1ea7u d\u00e2y, theo TCVN 9208:2012. Ph\u1ea3i ch\u1ecdn k\u1eb9p \u0111\u1ea7u d\u00e2y ho\u1eb7c c\u1ea7u \u0111\u1ea5u d\u00e2y ph\u00f9 h\u1ee3p v\u1edbi \u0111i\u1ec7n \u00e1p v\u00e0 d\u00f2ng \u0111i\u1ec7n t\u1ea3i c\u1ee7a m\u1ea1ch \u0111i\u1ec7n ch\u1ea1y qua n\u00f3.<\/p>\n<p style=\"text-align: justify;\"><strong>4.19.<\/strong> Khi \u0111\u1ea5u c\u00e1p \u0111i\u1ec1u khi\u1ec3n v\u00e0o h\u00e0ng k\u1eb9p \u0111\u1ea7u ph\u1ea3i c\u00f3 ty \u00e9p \u0111\u1ea7u ru\u1ed9t d\u1eabn. Trong tr\u01b0\u1eddng h\u1ee3p kh\u00f4ng c\u00f3 ty \u00e9p th\u00ec \u0111\u1ea7u ru\u1ed9t d\u00e2y ph\u1ea3i \u0111\u01b0\u1ee3c nh\u00fang thi\u1ebfc.<\/p>\n<p style=\"text-align: justify;\"><strong>4.20.<\/strong> C\u00e1p \u0111i\u1ec1u khi\u1ec3n t\u1eeb r\u00e3nh c\u00e1p ho\u1eb7c khoang d\u01b0\u1edbi s\u00e0n \u0111i v\u00e0o ng\u0103n tr\u00ean c\u1ee7a t\u1ee7, b\u1ea3ng ph\u1ea3i \u0111i trong h\u1ed9p c\u00e1p \u0111\u1eady k\u00edn \u0111\u00fang theo TCVN 9208:2012 quy \u0111\u1ecbnh.<\/p>\n<p style=\"text-align: justify;\"><strong>4.21.<\/strong> Vi\u1ec7c l\u1eafp \u0111\u1eb7t c\u00e1p v\u00e0 d\u00e2y d\u1eabn \u0111i\u1ec7n kh\u00f4ng \u0111\u01b0\u1ee3c \u0111\u1ec3 d\u00e2y nh\u00f4m ti\u1ebfp x\u00fac v\u1edbi k\u1eb9p \u0111\u1ed3ng thau ho\u1eb7c k\u1eb9p b\u1eb1ng kim lo\u1ea1i ch\u1ee9a nhi\u1ec1u \u0111\u1ed3ng. Trong tr\u01b0\u1eddng h\u1ee3p c\u1ea7n \u0111\u1ea5u d\u00e2y nh\u00f4m v\u00e0o thanh c\u00e1i \u0111\u1ed3ng th\u00ec ph\u1ea3i s\u1eed d\u1ee5ng k\u1eb9p nh\u00f4m-\u0111\u1ed3ng.<\/p>\n<p style=\"text-align: justify;\"><strong>4.22.<\/strong> \u0110\u1ed1i v\u1edbi b\u00e1n k\u00ednh u\u1ed1n cong c\u1ee7a c\u00e1p kh\u00f4ng thu\u1ed9c lo\u1ea1i c\u00e1p m\u1ec1m ph\u1ea3i \u0111\u1ee7 l\u1edbn nh\u1eb1m tr\u00e1nh h\u01b0 h\u1ecfng c\u00e1p v\u00e0 tu\u00e2n theo quy \u0111\u1ecbnh TCVN 9208:2012 trong b\u1ea3ng 1, nh\u01b0 sau:<\/p>\n<p style=\"text-align: justify;\"><em><strong>B\u1ea3ng 1- B\u00e1n k\u00ednh u\u1ed1n cong t\u1ed1i thi\u1ec3u c\u1ee7a c\u00e1p<\/strong><\/em><\/p>\n<table style=\"width: 100%; height: 410px;\" border=\"1\" cellspacing=\"0\">\n<tbody>\n<tr style=\"height: 78px;\">\n<td style=\"height: 78px; width: 26.5805%;\">C\u00e1ch \u0111i\u1ec7n<\/td>\n<td style=\"height: 78px; width: 22.9885%;\">L\u1edbp b\u1ecdc<\/td>\n<td style=\"height: 78px; width: 19.6839%;\">\u0110\u01b0\u1eddng k\u00ednh ngo\u00e0i d c\u1ee7a c\u00e1p (mm)<\/td>\n<td style=\"height: 78px; width: 30.4598%;\">B\u00e1n k\u00ednh u\u1ed1n cong t\u1ed1i thi\u1ec3u c\u1ee7a c\u00e1p (t\u00ednh b\u1eb1ng s\u1ed1 l\u1ea7n d ngo\u00e0i c\u00e1p)<\/td>\n<\/tr>\n<tr style=\"height: 26px;\">\n<td style=\"height: 78px; width: 26.5805%;\" rowspan=\"2\">C\u00e1ch \u0111i\u1ec7n cao su, PVC l\u00f5i \u0111\u1ed3ng hay nh\u00f4m nhi\u1ec1u s\u1ee3i b\u1ec7n<\/td>\n<td style=\"height: 78px; width: 22.9885%;\" rowspan=\"2\">Kh\u00f4ng b\u1ecdc th\u00e9p<\/td>\n<td style=\"height: 26px; width: 19.6839%;\">\u0110\u1ebfn 10<\/td>\n<td style=\"height: 26px; width: 30.4598%;\">3<\/td>\n<\/tr>\n<tr style=\"height: 52px;\">\n<td style=\"height: 52px; width: 19.6839%;\">L\u1edbn h\u01a1n 10 \u0111\u1ebfn 25<\/td>\n<td style=\"height: 52px; width: 30.4598%;\">4<\/td>\n<\/tr>\n<tr style=\"height: 36px;\">\n<td style=\"height: 72px; width: 26.5805%;\" rowspan=\"2\">C\u00e1ch \u0111i\u1ec7n cao su, PVC l\u00f5i \u0111\u1ed3ng hay nh\u00f4m nhi\u1ec1u s\u1ee3i b\u1ec7n<\/td>\n<td style=\"height: 36px; width: 22.9885%;\">Kh\u00f4ng b\u1ecdc th\u00e9p<\/td>\n<td style=\"height: 36px; width: 19.6839%;\">L\u1edbn h\u01a1n 25<\/td>\n<td style=\"height: 36px; width: 30.4598%;\">6<\/td>\n<\/tr>\n<tr style=\"height: 36px;\">\n<td style=\"height: 36px; width: 22.9885%;\">B\u1ecdc th\u00e9p<\/td>\n<td style=\"height: 36px; width: 19.6839%;\">B\u1ea5t k\u1ef3<\/td>\n<td style=\"height: 36px; width: 30.4598%;\">6<\/td>\n<\/tr>\n<tr style=\"height: 52px;\">\n<td style=\"height: 52px; width: 26.5805%;\">C\u00e1ch \u0111i\u1ec7n PVC l\u00f5i \u0111\u1ed3ng hay nh\u00f4m c\u1ee9ng<\/td>\n<td style=\"height: 52px; width: 22.9885%;\">B\u1ecdc th\u00e9p ho\u1eb7c kh\u00f4ng b\u1ecdc th\u00e9p<\/td>\n<td style=\"height: 52px; width: 19.6839%;\">B\u1ea5t k\u1ef3<\/td>\n<td style=\"height: 52px; width: 30.4598%;\">6<\/td>\n<\/tr>\n<tr style=\"height: 52px;\">\n<td style=\"height: 52px; width: 26.5805%;\">C\u00e1ch \u0111i\u1ec7n b\u1eb1ng gi\u1ea5y t\u1ea9m d\u1ea7u<\/td>\n<td style=\"height: 52px; width: 22.9885%;\">B\u1ecdc ch\u00ec<\/td>\n<td style=\"height: 52px; width: 19.6839%;\">B\u1ea5t k\u1ef3<\/td>\n<td style=\"height: 52px; width: 30.4598%;\">6<\/td>\n<\/tr>\n<tr style=\"height: 78px;\">\n<td style=\"height: 78px; width: 26.5805%;\">C\u00e1ch \u0111i\u1ec7n b\u1eb1ng ch\u1ea5t v\u00f4 c\u01a1<\/td>\n<td style=\"height: 78px; width: 22.9885%;\">B\u1ecdc \u0111\u1ed3ng b\u1eb1ng nh\u00f4m c\u00f3 ho\u1eb7c kh\u00f4ng c\u00f3 PVC<\/td>\n<td style=\"height: 78px; width: 19.6839%;\">B\u1ea5t k\u1ef3<\/td>\n<td style=\"height: 78px; width: 30.4598%;\">6<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p style=\"text-align: justify;\"><strong>4.23.<\/strong> Theo TCVN 9208:2012, \u0111\u1ed1i v\u1edbi c\u00e1c lo\u1ea1i c\u00e1p b\u1ecdc c\u00e1ch \u0111i\u1ec7n b\u1eb1ng gi\u1ea5y d\u1ea7u th\u00ec b\u00e1n k\u00ednh v\u00f2ng u\u1ed1n b\u00ean trong c\u1ee7a ru\u1ed9t c\u00e1p khi t\u00e1ch ra ph\u1ea3i l\u1ea5y \u0111em so v\u1edbi \u0111\u01b0\u1eddng k\u00ednh ngo\u00e0i kh\u00f4ng nh\u1ecf h\u01a1n 10 l\u1ea7n. Ri\u00eang v\u1edbi c\u00e1c lo\u1ea1i c\u00e1p c\u00f3 l\u1edbp b\u1ecdc b\u1eb1ng cao su l\u00e0 3 l\u1ea7n.<\/p>\n<p style=\"text-align: justify;\"><strong>4.24.<\/strong> TCVN 9208:2012 quy \u0111\u1ecbnh kh\u00f4ng \u0111\u01b0\u1ee3c \u0111\u1eb7t qu\u00e1 nhi\u1ec1u c\u00e1p, d\u00e2y d\u1eabn \u0111i\u1ec7n trong c\u00e1c ph\u01b0\u01a1ng ti\u1ec7n b\u1ea3o v\u1ec7 nh\u01b0: khay c\u00e1p, thang c\u00e1p, \u1ed1ng lu\u1ed3n d\u00e2y, h\u1ed9p c\u00e1p,&#8230; \u0110\u1ec3 khi th\u1ef1c hi\u1ec7n l\u1eafp \u0111\u1eb7t, b\u1ea3o tr\u00ec, thay th\u1ebf s\u1ebd kh\u00f4ng l\u00e0m h\u01b0 h\u1ecfng c\u00e1p, x\u00e2y x\u00e1t l\u1edbp c\u00e1ch \u0111i\u1ec7n c\u1ee7a c\u00e1p, d\u00e2y d\u1eabn \u0111i\u1ec7n.<\/p>\n<p style=\"text-align: justify;\"><strong>4.25.<\/strong> V\u1edbi m\u1ed7i \u0111\u01b0\u1eddng c\u00e1p ph\u1ea3i c\u00f3 s\u1ed1 ho\u1eb7c t\u00ean g\u1ecdi. Trong tr\u01b0\u1eddng h\u1ee3p \u0111\u01b0\u1eddng c\u00e1p c\u00f3 nhi\u1ec1u c\u00e1p \u0111\u1eb7t song song v\u1edbi nhau th\u00ec ngo\u00e0i s\u1ed1 ch\u00fang ph\u1ea3i th\u00eam v\u00e0o c\u00e1c ch\u1eef I, II, III,&#8230; C\u00f2n \u0111\u1ed1i v\u1edbi c\u00e1c c\u00e1p \u0111\u1eb7t h\u1edf c\u0169ng nh\u01b0 t\u1ea5t c\u1ea3 c\u00e1c \u1ed1ng n\u1ed1i c\u00e1p, k\u1eb9p c\u00e1p \u0111\u1ec1u ph\u1ea3i c\u00f3 nh\u00e3n hi\u1ec7u, tu\u00e2n th\u1ee7 theo TCVN 9208:2012.<\/p>\n<ul style=\"text-align: justify;\">\n<li>Tr\u00ean nh\u00e3n c\u00e1p s\u1ebd bao g\u1ed3m: m\u00e3 hi\u1ec7u, \u0111i\u1ec7n \u00e1p, m\u1eb7t c\u1eaft, s\u1ed1 hi\u1ec7u ho\u1eb7c t\u00ean g\u1ecdi.<\/li>\n<li>C\u00e1c nh\u00e3n c\u00e1p \u0111\u00f3 ph\u1ea3i \u0111\u1eb7t c\u1ed1 \u0111\u1ecbnh, ch\u1eafc ch\u1eafn v\u00e0 kh\u00f4ng b\u1ecb t\u00e1c h\u1ea1i do \u1ea3nh h\u01b0\u1edfng t\u1eeb m\u00f4i tr\u01b0\u1eddng b\u00ean ngo\u00e0i.<\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><strong>4.26.<\/strong> C\u1ea7n ph\u1ea3i x\u1eed l\u00fd h\u00ecnh d\u00e1ng, b\u1ec1 m\u1eb7t kh\u00e2u n\u1ed1i c\u00e1c \u0111o\u1ea1n \u1ed1ng lu\u1ed3n d\u00e2y, khay c\u00e1p, thang c\u00e1p, h\u1ed9p c\u00e1p,&#8230; \u0110\u1ed3ng th\u1eddi, kh\u00e2u d\u1eabn c\u00e1p c\u0169ng ph\u1ea3i x\u1eed l\u00fd b\u1ec1 m\u1eb7t t\u1eeb ph\u01b0\u01a1ng ti\u1ec7n bao che ra ngo\u00e0i ho\u1eb7c t\u1edbi m\u1ed9t ph\u01b0\u01a1ng ti\u1ec7n kh\u00e1c \u0111\u1ec3 khi l\u1eafp \u0111\u1eb7t, b\u1ea3o tr\u00ec thay th\u1ebf kh\u00f4ng b\u1ecb h\u01b0 h\u1ecfng c\u00e1p, \u0111\u00fang v\u1edbi TCVN 9208:2012.<\/p>\n<p style=\"text-align: justify;\"><strong>4.27.<\/strong> Khi c\u00e1c ph\u01b0\u01a1ng ti\u1ec7n b\u1ea3o v\u1ec7 c\u00e1p ch\u1ea1y xuy\u00ean qua s\u00e0n ho\u1eb7c t\u1ea7ng m\u00e0 s\u00e0n hay t\u01b0\u1eddng \u0111\u00f3 c\u00f3 t\u00e1c d\u1ee5ng ng\u0103n c\u00e1ch v\u00f9ng d\u1ec5 ch\u00e1y v\u1edbi v\u00f9ng kh\u00f4ng c\u00f3 nguy c\u01a1 h\u1ecfa ho\u1ea1n th\u00ec ngay v\u1ecb tr\u00ed \u0111\u00f3 l\u1ed7 xuy\u00ean qua ph\u1ea3i \u0111\u01b0\u1ee3c tr\u00e1t k\u00edn b\u1eb1ng v\u1eadt li\u1ec7u ch\u1ecbu l\u1eeda cao c\u1ea5p ph\u00f9 h\u1ee3p.<\/p>\n<p style=\"text-align: justify;\"><strong>4.28.<\/strong> Theo TCVN 9208:2012 \u1edf nh\u1eefng n\u01a1i d\u1ec5 ch\u00e1y, c\u00e1p ph\u1ea3i \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7 trong h\u1ed9p d\u1eabn kh\u00f4ng ch\u00e1y. \u0110\u1ed1i v\u1edbi kho\u1ea3ng kh\u00f4ng gian xung quanh c\u00e1p b\u00ean trong h\u1ed9p d\u1eabn c\u0169ng ph\u1ea3i c\u00f3 h\u00e0ng r\u00e0o ng\u0103n c\u00e1ch v\u00f9ng d\u1ec5 ch\u00e1y v\u1edbi v\u00f9ng kh\u00f4ng nguy c\u01a1 ch\u00e1y, l\u00e0m b\u1eb1ng v\u1eadt li\u1ec7u ch\u1ecbu l\u1eeda c\u1ea5p \u0111\u1ed9 ph\u00f9 h\u1ee3p.<\/p>\n<p style=\"text-align: justify;\"><strong>4.29.<\/strong> H\u1ed9p n\u1ed1i c\u00e1c c\u00e1p m\u1ec1m v\u1edbi nhau, h\u1ed9p n\u1ed1i c\u00e1p kh\u00f4ng m\u1ec1m v\u1edbi c\u00e1p m\u1ec1m ho\u1eb7c d\u00e2y m\u1ec1m c\u1ea7n ph\u1ea3i \u0111\u1eb7t \u1edf v\u1ecb tr\u00ed d\u1ec5 d\u00e0ng ti\u1ebfp c\u1eadn \u0111\u1ec3 ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng m\u1ed1i n\u1ed1i. Quy \u0111\u1ecbnh TCVN 9208:2012 s\u1ebd kh\u00f4ng b\u1eaft bu\u1ed9c \u0111\u1ed1i v\u1edbi kh\u00e2u n\u1ed1i h\u00e0n ho\u1eb7c \u00e9p.<\/p>\n<p style=\"text-align: justify;\"><strong>4.30.<\/strong> T\u1ea1i c\u00e1c khu v\u1ef1c x\u00ed nghi\u1ec7p, c\u00e1p c\u00f3 th\u1ec3 \u0111\u1eb7t d\u01b0\u1edbi \u0111\u1ea5t \u1edf trong h\u00e0o, kh\u1ed1i \u1ed1ng c\u00e1p ho\u1eb7c c\u00e1c m\u01b0\u01a1ng c\u00e1p c\u00f3 m\u00e1i che hay n\u1eafp \u0111\u1eady.<\/p>\n<p style=\"text-align: justify;\"><strong>4.31.<\/strong> \u1ede c\u00e1c khu v\u1ef1c tr\u1ea1m bi\u1ebfn \u00e1p hay c\u00e1c tr\u1ea1m ph\u00e2n ph\u1ed1i \u0111i\u1ec7n, c\u00e1p c\u00f3 th\u1ec3 \u0111\u1eb7t trong m\u01b0\u01a1ng, \u1ed1ng d\u01b0\u1edbi \u0111\u1ea5t (\u1edf trong h\u00e0o) ho\u1eb7c m\u01b0\u01a1ng n\u1ed5i.<\/p>\n<p style=\"text-align: justify;\"><strong>4.32.<\/strong> C\u00e1c \u0111\u01b0\u1eddng c\u00e1p \u0111i t\u1eeb tr\u1ea1m ph\u00e2n ph\u1ed1i \u0111i\u1ec7n trung t\u00e2m v\u1edbi s\u1ed1 l\u01b0\u1ee3ng tr\u00ean 20 c\u00e1p c\u00f9ng \u0111i theo m\u1ed9t h\u01b0\u1edbng ph\u1ea3i \u0111\u1eb7t trong h\u1ea7m nh\u01b0 quy \u0111\u1ecbnh trong TCVN 9208:2012.<\/p>\n<p style=\"text-align: justify;\"><strong>4.33.<\/strong> T\u1ea1i th\u00e0nh ph\u1ed1, th\u1ecb tr\u1ea5n th\u00ec \u0111\u01b0\u1eddng c\u00e1p ph\u1ea3i \u0111\u1eb7t d\u01b0\u1edbi \u0111\u1ea5t (\u1edf trong h\u00e0o) d\u1ecdc theo l\u1ec1 \u0111\u01b0\u1eddng trong ph\u1ea1m vi v\u1ec9a h\u00e8, ho\u1eb7c men theo nh\u00e0 hay c\u00e1c d\u1ea3i \u0111\u1ea5t tr\u1ed3ng c\u1ecf. \u0110\u1ed1i v\u1edbi \u0111\u01b0\u1eddng ph\u1ed1 qu\u1ea3ng tr\u01b0\u1eddng c\u00f3 nhi\u1ec1u c\u00f4ng tr\u00ecnh ng\u1ea7m kh\u00e1c th\u00ec c\u00e1p ph\u1ea3i \u0111\u1eb7t trong h\u1ea7m. C\u00f2n ch\u1ed7 giao ch\u00e9o v\u1edbi \u0111\u01b0\u1eddng ph\u1ed1, qu\u1ea3ng tr\u01b0\u1eddng th\u00ec c\u00e1p ph\u1ea3i \u0111\u1eb7t trong kh\u1ed1i \u1ed1ng ho\u1eb7c trong \u1ed1ng.<\/p>\n<p style=\"text-align: justify;\"><strong>4.34.<\/strong> B\u00ean trong nh\u00e0 x\u01b0\u1edfng c\u00e1p c\u00f3 th\u1ec3 \u0111\u1eb7t tr\u1ef1c ti\u1ebfp theo c\u00e1c c\u1ea5u tr\u00fac c\u1ee7a nh\u00e0 (\u0111\u1eb7t h\u1edf ho\u1eb7c trong h\u1ed9p hay \u1ed1ng) trong c\u00e1c m\u01b0\u01a1ng, kh\u1ed1i \u1ed1ng c\u00e1p, h\u1ea7m c\u00e1p ho\u1eb7c \u1ed1ng, \u0111\u1eb7t d\u01b0\u1edbi n\u1ec1n nh\u00e0 x\u01b0\u1edfng c\u0169ng nh\u01b0 trong m\u00f3ng c\u1ee7a m\u00e1y.<\/p>\n<p style=\"text-align: justify;\"><strong>4.35.<\/strong> TCVN 9208:2012 cho ph\u00e9p \u0111\u1eb7t nhi\u1ec1u l\u1edbp d\u00e2y d\u1eabn, c\u00e1p \u0111i\u1ec7n \u1edf trong h\u1ed9p, nh\u01b0ng c\u1ea7n ph\u1ea3i ng\u0103n c\u00e1ch m\u1ed7i l\u1edbp v\u1edbi nhau. B\u00ean c\u1ea1nh \u0111\u00f3, t\u1ed5ng m\u1eb7t c\u1eaft c\u00e1c d\u00e2y c\u00e1p, d\u00e2y d\u1eabn \u0111i\u1ec7n k\u1ec3 c\u1ea3 c\u00e1c l\u1edbp b\u1ecdc c\u00e1ch \u0111i\u1ec7n v\u00e0 c\u00e1c l\u1edbp v\u1ecf b\u1ecdc b\u00ean ngo\u00e0i kh\u00f4ng l\u1edbn h\u01a1n 35% m\u1eb7t c\u1eaft\u00a0 b\u00ean trong v\u1edbi h\u1ed9p k\u00edn v\u00e0 40% v\u1edbi h\u1ed9p m\u1edf n\u1eafp.<\/p>\n<p style=\"text-align: justify;\"><strong>4.36.<\/strong> C\u00f9ng v\u1edbi d\u00f2ng \u0111i\u1ec7n li\u00ean t\u1ee5c cho ph\u00e9p d\u00e2y c\u00e1p, d\u00e2y d\u1eabn \u0111i\u1ec7n \u0111\u1eb7t th\u00e0nh nh\u00f3m ho\u1eb7c th\u00e0nh nhi\u1ec1u l\u1edbp. \u0110\u1ed3ng th\u1eddi, TCVN 9208:2012 quy \u0111\u1ecbnh c\u00e1c c\u00f4ng tr\u00ecnh c\u1ea7n ph\u1ea3i t\u00ednh h\u1ec7 s\u1ed1 theo s\u1ed1 l\u01b0\u1ee3ng, c\u00e1ch \u0111\u1eb7t d\u00e2y, s\u1ed1 l\u01b0\u1ee3ng v\u00e0 v\u1ecb tr\u00ed ph\u00f9 h\u1ee3p c\u1ee7a c\u00e1c l\u1edbp c\u0169ng nh\u01b0 c\u00e1c d\u00e2y d\u1eabn kh\u00f4ng mang t\u1ea3i.<\/p>\n<p style=\"text-align: justify;\"><strong>4.37.<\/strong> Theo TCVN 9208:2012, \u0111\u1ed1i v\u1edbi \u0111\u01b0\u1eddng c\u00e1p cung c\u1ea5p \u0111i\u1ec7n cho nh\u1eefng m\u00e1y m\u00f3c di \u0111\u1ed9ng ph\u1ea3i d\u00f9ng lo\u1ea1i c\u00e1p m\u1ec1m v\u1edbi l\u1edbp c\u00e1ch \u0111i\u1ec7n b\u1eb1ng cao su ho\u1eb7c b\u1eb1ng v\u1eadt li\u1ec7u t\u01b0\u01a1ng t\u1ef1 \u0111\u1ec3 tr\u00e1nh g\u00e2y h\u01b0 h\u1ecfng c\u00e1ch \u0111i\u1ec7n c\u1ee7a c\u00e1p khi c\u00e1p u\u1ed1n \u0111i u\u1ed1n l\u1ea1i nhi\u1ec1u l\u1ea7n.<\/p>\n<p style=\"text-align: justify;\"><strong>4.38.<\/strong> Trong c\u00e1c l\u01b0\u1edbi \u0111i\u1ec7n ph\u1ea3i d\u00f9ng lo\u1ea1i c\u00e1p 4 ru\u1ed9t, kh\u00f4ng \u0111\u01b0\u1ee3c ph\u00e9p \u0111\u1eb7t lo\u1ea1i d\u00e2y trung t\u00ednh ri\u00eang r\u1ebd v\u1edbi c\u00e1c d\u00e2y pha. C\u00f2n c\u00e1c l\u01b0\u1edbi \u0111i\u1ec7n xoay chi\u1ec1u 3 pha 4 d\u00e2y \u0111i\u1ec7n \u00e1p t\u1edbi 1kV c\u00f3 trung t\u00ednh n\u1ed1i \u0111\u1ea5t, \u0111\u01b0\u1ee3c ph\u00e9p d\u00f9ng lo\u1ea1i c\u00e1p 3 ru\u1ed9t v\u1ecf nh\u00f4m v\u00e0 d\u00f9ng v\u1ecf nh\u00f4m l\u00e0m d\u00e2y trung t\u00ednh n\u1ed1i \u0111\u1ea5t \u0111\u1ec3 thay ru\u1ed9t th\u1ee9 4, tr\u1eeb m\u1ed9t v\u00e0i tr\u01b0\u1eddng h\u1ee3p nh\u01b0 sau:<\/p>\n<ol style=\"text-align: justify;\">\n<li>\u0110\u1eb7t t\u1ea1i nh\u1eefng n\u01a1i c\u00f3 c\u00e1c m\u00f4i tr\u01b0\u1eddng d\u1ec5 n\u1ed5 (trong nh\u00e0 c\u0169ng nh\u01b0 ngo\u00e0i tr\u1eddi)<\/li>\n<li>\u0110\u1eb7t t\u1ea1i n\u01a1i khi trong \u0111i\u1ec1u ki\u1ec7n v\u1eadn h\u00e0nh b\u00ecnh th\u01b0\u1eddng, d\u00f2ng \u0111i\u1ec7n trong d\u00e2y trung t\u00ednh v\u01b0\u1ee3t qu\u00e1 50% d\u00f2ng \u0111i\u1ec7n c\u1ee7a d\u00e2y pha.<\/li>\n<\/ol>\n<p style=\"text-align: justify;\"><strong>4.39.<\/strong> Ph\u1ee5 ki\u1ec7n trong c\u00e1c ph\u01b0\u01a1ng ti\u1ec7n b\u1ea3o v\u1ec7 d\u00e2y c\u00e1p, d\u00e2y \u0111i\u1ec7n ph\u1ea3i l\u1eafp sao cho d\u1ec5 ti\u1ebfp c\u1eadn, th\u00e1o n\u1eafp ki\u1ec3m tra, thay th\u1ebf c\u00e1p c\u0169 ho\u1eb7c b\u1ed5 sung th\u00eam c\u00e1p m\u1edbi.<\/p>\n<p style=\"text-align: justify;\"><strong>4.40.<\/strong> Theo TCVN 9208:2012 th\u00ec c\u00e1p n\u1ed1i v\u1edbi \u0111\u1ea7u d\u00f2, c\u1ea3m bi\u1ebfn n\u1eb1m ngo\u00e0i t\u1ee7, b\u1ea3ng ph\u1ea3i ch\u1ee9a \u00edt nh\u1ea5t m\u1ed9t \u0111o\u1ea1n 150mm ph\u1ee5c v\u1ee5 cho c\u00f4ng t\u00e1c b\u1ea3o tr\u00ec.<\/p>\n<p style=\"text-align: justify;\"><strong>4.41.<\/strong> \u0110\u1ed1i v\u1edbi m\u1ecdi c\u00e1p \u0111i\u1ec7n h\u1ea1 \u00e1p n\u1ed1i v\u1edbi ngu\u1ed3n cung c\u1ea5p trong c\u00e1c t\u1ee7 \u0111i\u1ec7n \u0111\u1ec1u ph\u1ea3i ch\u1eeba chi\u1ec1u d\u00e0i c\u00e1c pha \u0111\u1ee7 \u0111\u1ec3 c\u00f3 th\u1ec3 c\u1eb7p ampe k\u00ecm khi c\u1ea7n \u0111o d\u00f2ng \u0111i\u1ec7n v\u1eadn h\u00e0nh \u0111\u00fang v\u1edbi quy \u0111\u1ecbnh trong TCVN 9208:2012.<\/p>\n<p style=\"text-align: justify;\"><strong>4.42.<\/strong> V\u1edbi c\u00e1p trong c\u00e1c ph\u00f2ng \u0111i\u1ec1u khi\u1ec3n c\u1ea7n h\u1ea1n ch\u1ebf \u0111i n\u1ed5i v\u00e0 n\u00ean \u0111i trong khoang d\u01b0\u1edbi m\u1eb7t s\u00e0n k\u00e8m theo bi\u1ec7n ph\u00e1p ch\u1ed1ng chu\u1ed9t.<\/p>\n<p style=\"text-align: justify;\"><strong>4.43.<\/strong> Ti\u00eau chu\u1ea9n TCVN 9208:2012 quy \u0111\u1ecbnh c\u1ed5 c\u1ee7a c\u00e1p \u0111i t\u1eeb d\u01b0\u1edbi s\u00e0n xuy\u00ean qua t\u1ee7 ho\u1eb7c b\u1ea3ng \u0111i\u1ec7n c\u1ea7n \u0111\u01b0\u1ee3c c\u1ed1 \u0111\u1ecbnh ch\u1eafc ch\u1eafn b\u1eb1ng k\u1eb9p \u00f4m, m\u0103ng s\u00f4ng \u0111\u1ec7m c\u00e1p \u0111\u1ec3 tr\u1ecdng l\u01b0\u1ee3ng b\u1ea3n th\u00e2n c\u00e1p kh\u00f4ng g\u00e2y s\u1ee9c c\u0103ng t\u00e1c d\u1ee5ng v\u00e0o \u0111\u1ea7u c\u00e1p.<\/p>\n<p style=\"text-align: justify;\"><strong>4.44.<\/strong> C\u00e1p m\u1ed9t l\u00f5i c\u00f3 l\u1edbp b\u1ecdc b\u1eb1ng l\u01b0\u1edbi th\u00e9p kh\u00f4ng \u0111\u01b0\u1ee3c d\u00f9ng cho m\u1ea1ch \u0111i\u1ec7n xoay chi\u1ec1u. C\u00e1p hay d\u00e2y d\u1eabn \u0111i\u1ec7n xoay chi\u1ec1u \u0111\u1eb7t trong \u1ed1ng lu\u1ed3n d\u00e2y, h\u1ed9p c\u00e1p, khay, thang c\u00e1p,&#8230; b\u1eb1ng v\u1eadt li\u1ec7u d\u1eabn t\u1eeb ho\u1eb7c lu\u1ed3n qua l\u1ed7 b\u00ea t\u00f4ng c\u1ed1t th\u00e9p c\u1ea7n b\u1ed1 tr\u00ed sao cho d\u00e2y c\u1ee7a c\u1ea3 3 pha v\u00e0 d\u00e2y trung h\u00f2a. B\u00ean c\u1ea1nh \u0111\u00f3, ph\u1ea3i c\u00f9ng n\u1eb1m trong m\u1ed9t ph\u01b0\u01a1ng ti\u1ec7n bao che ho\u1eb7c c\u00f9ng l\u1ed7 b\u00ea t\u00f4ng c\u1ed1t th\u00e9p v\u00e0 gi\u1eefa c\u00e1c d\u00e2y kh\u00f4ng \u0111\u01b0\u1ee3c c\u00e1c v\u00e1ch ng\u0103n d\u1eabn t\u1eeb ph\u00e1t sinh d\u00f2ng \u0111i\u1ec7n xo\u00e1y.<\/p>\n<p style=\"text-align: justify;\"><strong>4.45.<\/strong> Theo TCVN 9208:2012 th\u00ec c\u00e1p l\u1ef1c h\u1ea1 \u00e1p kh\u00f4ng \u0111\u01b0\u1ee3c \u0111i chung v\u1edbi nh\u1eefng c\u00e1p kh\u00e1c nh\u01b0: c\u00e1p b\u00e1o ch\u00e1y, c\u00e1p chi\u1ebfu s\u00e1ng s\u1ef1 c\u1ed1,&#8230; trong c\u00f9ng m\u1ed9t \u1ed1ng lu\u1ed3n c\u00e1p hay m\u00e1ng h\u1ed9p.<\/p>\n<p style=\"text-align: justify;\"><strong>4.46.<\/strong> Trong TCVN 9208:2012 quy \u0111\u1ecbnh c\u00e1p l\u1ef1c h\u1ea1 \u00e1p kh\u00f4ng \u0111i chung v\u1edbi c\u00e1p th\u00f4ng tin, c\u00e1p m\u1ea1ng m\u00e1y t\u00ednh trong c\u00f9ng m\u1ed9t \u1ed1ng lu\u1ed3n ho\u1eb7c h\u1ed9p c\u00e1p. Tr\u1eeb tr\u01b0\u1eddng h\u1ee3p c\u00f3 v\u00e1ch ng\u0103n b\u1eb1ng v\u1eadt li\u1ec7u c\u00e1ch \u0111i\u1ec7n c\u00f3 c\u1ea5p ph\u00f9 h\u1ee3p \u0111\u1eb7t gi\u1eefa h\u1ea1 \u00e1p v\u1edbi c\u00e1c c\u00e1p c\u00f2n l\u1ea1i.<\/p>\n<p style=\"text-align: justify;\"><strong>4.47.<\/strong> Trong TCVN 9208:2012, ch\u1ec9 th\u1ef1c hi\u1ec7n k\u00e9o c\u00e1p t\u1eeb tang c\u00e1p sau khi \u0111\u00e3 g\u1eafn m\u1ed9t bi\u1ec3u c\u00e1p v\u00e0o \u0111\u1ea7u c\u00e1p.<\/p>\n<p style=\"text-align: justify;\"><strong>4.48.<\/strong> Trang b\u1ecb tr\u01b0\u1edbc khi thi c\u00f4ng c\u00e1c d\u1ee5ng c\u1ee5 chuy\u00ean d\u1ee5ng nh\u01b0: m\u00e1y u\u1ed1n \u1ed1ng, k\u00ecm tu\u1ed1t l\u00f5i d\u00e2y, m\u00e1y \u00e9p \u0111\u1ea7u c\u1ed1t, con l\u0103n, gi\u00e1 \u0111\u1ee1,&#8230;. N\u1ebfu th\u1ea5y c\u1ea7n thi\u1ebft th\u00ec chu\u1ea9n b\u1ecb s\u1eb5n gi\u00e0n gi\u00e1o \u0111\u1ec3 k\u00e9o d\u00e2y ho\u1eb7c c\u00e1p tr\u00ean cao.<\/p>\n<p style=\"text-align: justify;\"><strong>4.49.<\/strong> M\u1ecdi d\u00e2y c\u00e1p ph\u1ea3i \u0111\u01b0\u1ee3c c\u1eaft b\u1eb1ng d\u1ee5ng c\u1ee5 chuy\u00ean d\u00f9ng nh\u01b0 c\u01b0a s\u1eafc v\u00e0 ph\u1ea3i c\u00f3 chi\u1ec1u d\u00e0i thu\u1eadn ti\u1ec7n cho vi\u1ec7c l\u00e0m \u0111\u1ea7u c\u00e1p, tu\u00e2n th\u1ee7 theo TCVN 9208:2012. \u0110\u1ea7u c\u00e1p \u0111\u00e3 c\u1eaft c\u1ee5t ph\u1ea3i \u0111\u01b0\u1ee3c qu\u1ea5n b\u0103ng v\u00e0 nh\u00fang bitum nh\u1eb1m gi\u00fap ng\u0103n ch\u1eb7n n\u01b0\u1edbc x\u00e2m nh\u1eadp trong th\u1eddi gian ch\u1edd l\u00e0m \u0111\u1ea7u.<\/p>\n<p style=\"text-align: justify;\"><strong>4.50.<\/strong> \u0110\u1ea7u c\u00e1p kh\u00f4 h\u1ea1 \u00e1p c\u1ea7n x\u1eed l\u00fd b\u1eb1ng c\u00e1ch qu\u1ea5n hai ba l\u01b0\u1ee3t b\u1eb1ng nilon ho\u1eb7c b\u1eb1ng c\u00e1c ph\u1ea9m ch\u1ea5t t\u01b0\u01a1ng \u0111\u01b0\u01a1ng, ph\u1ea3i b\u1eaft \u0111\u1ea7u t\u1eeb cu\u1ed1i l\u1edbp c\u00e1ch \u0111i\u1ec7n ch\u1eeba l\u1ea1i sau khi \u00e9p \u0111\u1ea7u c\u1ed1t.<\/p>\n<p style=\"text-align: justify;\"><strong>4.51.<\/strong> Theo TCVN 9208:2012, \u0111\u1ea7u c\u00e1p kh\u00f4 trung \u00e1p ph\u1ea3i x\u1eed l\u00fd b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p h\u01a1 th\u00f3p, s\u1eed d\u1ee5ng ch\u1ee5p cu\u1ed1i ba ng\u1ea3 v\u00e0 c\u00e1c \u0111o\u1ea1n \u1ed1ng c\u00e1ch \u0111i\u1ec7n t\u1eebng pha c\u00f3 kh\u1ea3 n\u0103ng thu nh\u1ecf l\u1ea1i khi h\u01a1 n\u00f3ng. Vi\u1ec7c \u00e1p d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p kh\u00e1c ph\u1ea3i \u0111\u01b0\u1ee3c nh\u1eefng k\u1ef9 s\u01b0 ph\u1ee5 tr\u00e1ch gi\u00e1m s\u00e1t thi c\u00f4ng ph\u1ea7n \u0111i\u1ec7n c\u1ee7a ch\u1ee7 \u0111\u1ea7u t\u01b0 cho ph\u00e9p b\u1eb1ng v\u0103n b\u1ea3n.<\/p>\n<p style=\"text-align: justify;\"><strong>4.52.<\/strong> Theo ti\u00eau chu\u1ea9n TCVN 9208:2012 th\u00ec vi\u1ec7c k\u00e9o d\u00e2y c\u00e1p \u0111i\u1ec7n kh\u00f4ng \u0111\u01b0\u1ee3c \u0111\u1ec3 d\u00e2y ch\u1ecbu l\u1ef1c k\u00e9o v\u01b0\u1ee3t qu\u00e1 l\u1ef1c t\u1ed1i \u0111a cho ph\u00e9p\u00a0 t\u1eeb nh\u00e0 ch\u1ebf t\u1ea1o h\u01b0\u1edbng d\u1eabn.<\/p>\n<p style=\"text-align: justify;\"><strong>4.53.<\/strong> Ph\u01b0\u01a1ng ti\u1ec7n b\u1ea3o v\u1ec7 c\u00e1p nh\u01b0: \u1ed1ng lu\u1ed3n d\u00e2y, khay c\u00e1p,&#8230; \u1edf nh\u1eefng n\u01a1i ch\u1ecbu \u1ea3nh h\u01b0\u1edfng c\u1ee7a nhi\u1ec7t \u0111\u1ed9 th\u00ec c\u1ea7n ch\u1ecdn lo\u1ea1i s\u1ea3n ph\u1ea9m ch\u1ecbu nhi\u1ec7t cao m\u00e0 kh\u00f4ng bi\u1ebfn d\u1ea1ng.<\/p>\n<p style=\"text-align: justify;\"><strong>4.54.<\/strong> Theo TCVN 9208:2012, b\u1ed9 ph\u1eadn c\u00e1p hay d\u00e2y d\u1eabn b\u00ean trong ph\u01b0\u01a1ng ti\u1ec7n b\u1ea3o v\u1ec7 ch\u1ecbu \u0111\u01b0\u1ee3c nhi\u1ec7t ph\u1ea3i c\u00f3 v\u1ecf c\u00e1ch \u0111i\u1ec7n ch\u1ecbu nhi\u1ec7t \u0111\u1ed9 cao.<\/p>\n<h2 style=\"text-align: justify;\"><strong>5. N\u1ed1i \u0111\u1ea5t, n\u1ed1i v\u00e0 b\u1ecbt \u0111\u1ea7u c\u00e1p theo TCVN 9208:2012<\/strong><\/h2>\n<p style=\"text-align: justify;\"><strong>5.1.<\/strong> Trong TCVN 9208:2012 quy \u0111\u1ecbnh, v\u1ecb tr\u00ed ra &#8211; v\u00e0o c\u00e1p h\u1ed9p n\u1ed1i c\u1ee7a \u0111\u1ed9ng c\u01a1, t\u1ee7 \u0111i\u1ec7n k\u00edn v\u00e0 c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n kh\u00e1c c\u1ea7n \u0111\u01b0\u1ee3c l\u00e0m k\u00edn, ch\u1ed1ng \u1ea9m b\u1eb1ng m\u00fat c\u00e1p. T\u1ea1i \u0111i\u1ec3m n\u1ed1i v\u00e0 b\u1ecbt \u0111\u1ea7u c\u00e1p \u1edf \u0111\u01b0\u1eddng c\u00e1p, c\u1ea7n \u0111\u1ea3m b\u1ea3o c\u00e1p kh\u00f4ng b\u1ecb \u1ea9m v\u00e0 tr\u00e1nh c\u00e1c t\u00e1c h\u1ea1i c\u1ee7a m\u00f4i tr\u01b0\u1eddng xung quanh. Ch\u1ed7 b\u1ecbt \u0111\u1ea7u c\u00e1p v\u00e0 n\u1ed1i c\u00e1p ph\u1ea3i ch\u1ecbu \u0111\u01b0\u1ee3c \u0111i\u1ec7n \u00e1p th\u00ed nghi\u1ec7m \u0111\u1ed1i v\u1edbi \u0111\u01b0\u1eddng c\u00e1p.<\/p>\n<p style=\"text-align: justify;\"><strong>5.2.<\/strong> <strong>TCVN 9208:2012<\/strong> quy \u0111\u1ecbnh r\u00f5, ph\u1ea3i d\u00f9ng h\u1ed9p n\u1ed1i b\u1eb1ng \u0111\u1ed3ng (\u0111\u1ed3ng thau) ho\u1eb7c b\u1eb1ng ch\u00ec khi n\u1ed1i c\u00e1p \u0111i\u1ec7n \u00e1p t\u1eeb 3kV \u0111\u1ebfn 20kV c\u00f3 v\u1ecf b\u1ecdc ch\u00ec ho\u1eb7c nh\u00f4m. \u0110\u1ed1i v\u1edbi \u0111i\u1ec7n \u00e1p l\u00ean \u0111\u1ebfn 1000V c\u00f3 v\u1ecf b\u1ecdc b\u1eb1ng ch\u00ec hay nh\u00f4m trong tr\u01b0\u1eddng h\u1ee3p ch\u1ec9 \u0111\u1eb7t \u1edf d\u01b0\u1edbi \u0111\u1ea5t th\u00ec c\u00f3 th\u1ec3 d\u00f9ng c\u00e1c h\u1ed9p n\u1ed1i b\u1eb1ng gang. C\u00f2n n\u1ebfu ch\u00fang \u0111\u01b0\u1ee3c \u0111\u1eb7t l\u1ed9 thi\u00ean th\u00ec ph\u1ea3i d\u00f9ng c\u00e1c h\u1ed9p n\u1ed1i b\u1eb1ng ch\u00ec \u0111\u00fang theo TCVN 9208:2012. Ch\u1ebf t\u1ea1o v\u00e0 l\u1eafp r\u00e1p c\u00e1c h\u1ed9p n\u1ed1i c\u00e1p, h\u1ed9p n\u1ed1i \u0111\u1ea7u c\u00e1p c\u1ea7n \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n theo \u0111\u00fang c\u00e1c quy \u0111\u1ecbnh v\u00e0 ch\u1ec9 d\u1eabn k\u1ef9 thu\u1eadt.<\/p>\n<p style=\"text-align: justify;\"><strong>5.3.<\/strong> Tr\u00ean \u0111\u01b0\u1eddng c\u00e1p \u0111\u01b0\u1ee3c d\u00f9ng c\u1ea3 c\u00e1p c\u00f3 l\u1edbp c\u00e1ch \u0111i\u1ec7n \u00edt d\u1ea7u v\u00e0 c\u00e1p c\u00f3 c\u00e1ch \u0111i\u1ec7n b\u1eb1ng gi\u1ea5y t\u1ea9m, trong tr\u01b0\u1eddng h\u1ee3p m\u1ee9c \u0111\u1eb7t c\u00e1p c\u00f3 l\u1edbp c\u00e1ch \u0111i\u1ec7n \u00edt d\u1ea7u nh\u1ecf h\u01a1n m\u1ee9c \u0111\u1eb7t c\u00e1p c\u00f3 l\u1edbp c\u00e1ch \u0111i\u1ec7n b\u1eb1ng gi\u1ea5y t\u1ea9m th\u00ec ch\u1ed7 n\u1ed1i c\u00e1p ph\u1ea3i d\u00f9ng h\u1ed9p n\u1ed1i h\u00e0n chuy\u1ec3n ti\u1ebfp.<\/p>\n<p style=\"text-align: justify;\"><strong>5.4<\/strong> Theo <strong>TCVN 9208:2012<\/strong>, v\u1edbi nh\u1eefng \u0111\u01b0\u1eddng c\u00e1p c\u00f3 \u0111i\u1ec7n \u00e1p tr\u00ean 1000V, n\u1ebfu s\u1eed d\u1ee5ng lo\u1ea1i c\u00e1p m\u1ec1m c\u00e1ch \u0111i\u1ec7n b\u1eb1ng cao su lu\u1ed3n trong \u1ed1ng cao su th\u00ec m\u1ed1i n\u1ed1i c\u00e1p ph\u1ea3i \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p h\u00f3a n\u00f3ng. \u0110\u1ed3ng th\u1eddi, bao b\u00ean ngo\u00e0i ch\u1ed7 n\u1ed1i m\u1ed9t l\u1edbp nh\u1ef1a ch\u1ed1ng \u1ea9m.<\/p>\n<p style=\"text-align: justify;\"><strong>5.5<\/strong> TCVN 9208:2012 quy \u0111\u1ecbnh, \u0110\u1ed1i v\u1edbi \u0111i\u1ec7n \u00e1p t\u1eeb 1kV \u0111\u1ebfn 35kV, s\u1ed1 l\u01b0\u1ee3ng h\u1ed9p n\u1ed1i c\u00e1p trong 1km \u0111\u01b0\u1eddng c\u00e1p x\u00e2y d\u1ef1ng kh\u00f4ng \u0111\u01b0\u1ee3c v\u01b0\u1ee3t qu\u00e1 6 c\u00e1i. Trong tr\u01b0\u1eddng h\u1ee3p v\u01b0\u1ee3t qu\u00e1 s\u1ed1 l\u01b0\u1ee3ng tr\u00ean th\u00ec ph\u1ea3i \u0111\u01b0\u1ee3c s\u1ef1 cho ph\u00e9p c\u1ee7a c\u01a1 quan qu\u1ea3n l\u00fd v\u1eadn h\u00e0nh.<\/p>\n<p style=\"text-align: justify;\"><strong>5.6<\/strong> C\u00e1c \u0111\u01b0\u1eddng c\u00e1p s\u1eed d\u1ee5ng b\u1ecdc kim lo\u1ea1i v\u00e0 c\u00e1c k\u1ebft c\u1ea5u \u0111\u1ec3 \u0111\u1eb7t c\u00e1p ph\u1ea3i n\u1ed1i \u0111\u1ea5t c\u1ea7n \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n theo ti\u00eau chu\u1ea9n TCXDVN 319:2004 &#8211; L\u1eafp \u0111\u1eb7t h\u1ec7 th\u1ed1ng n\u1ed1i \u0111\u1ea5t thi\u1ebft b\u1ecb cho c\u00e1c c\u00f4ng tr\u00ecnh c\u00f4ng nghi\u1ec7p &#8211; Y\u00eau c\u1ea7u chung.<\/p>\n<p style=\"text-align: justify;\"><strong>5.7<\/strong> Theo TCVN 9208:2012, khi n\u1ed1i \u0111\u1ea5t c\u00e1c v\u1ecf b\u1ecdc kim lo\u1ea1i c\u1ee7a c\u00e1p, th\u00ec v\u1ecf b\u1eb1ng th\u00e9p v\u00e0 b\u1eb1ng kim lo\u1ea1i ph\u1ea3i n\u1ed1i v\u1edbi nhau, \u0111\u1ed3ng th\u1eddi n\u1ed1i v\u1edbi v\u1ecf h\u1ed9p b\u1eb1ng d\u00e2y \u0111\u1ed3ng m\u1ec1m. D\u00e2y n\u1ed1i \u0111\u1ea5t ph\u1ea3i c\u00f3 m\u1eb7t c\u1eaft t\u1ed1i thi\u1ec3u 6mm<sup>2<\/sup> v\u00e0 t\u1ed1i \u0111a 25mm<sup>2 <\/sup>trong t\u1ea5t c\u1ea3 c\u00e1c tr\u01b0\u1eddng h\u1ee3p. \u0110\u1ed1i v\u1edbi \u0111\u01b0\u1eddng c\u00e1p d\u1ea7u c\u00f3 \u0111i\u1ec7n \u00e1p 10kV, m\u1eb7t c\u1eaft d\u00e2y n\u1ed1i \u0111\u1ea5t c\u1ea7n \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh theo t\u00ednh to\u00e1n v\u1ec1 \u1ed5n \u0111\u1ecbnh nhi\u1ec7t.<\/p>\n<p style=\"text-align: justify;\"><strong>5.8<\/strong> T\u1ea1i nh\u1eefng \u0111o\u1ea1n n\u1ed1i \u0111\u01b0\u1eddng c\u00e1p n\u1ed1i v\u1edbi \u0111\u01b0\u1eddng d\u00e2y d\u1eabn \u0111i\u1ec7n tr\u00ean kh\u00f4ng n\u1ebfu c\u1ed9t c\u1ee7a \u0111\u01b0\u1eddng d\u00e2y tr\u00ean kh\u00f4ng kh\u00f4ng c\u00f3 n\u1ed1i \u0111\u1ea5t th\u00ec c\u00f3 th\u1ec3 n\u1ed1i \u0111\u1ea5t c\u00e1c h\u1ed9p \u0111\u1ea7u c\u00e1p v\u1edbi v\u1ecf b\u1ecdc kim lo\u1ea1i c\u1ee7a c\u00e1p, \u0111\u00fang nh\u01b0 TCVN 9208:2012 \u0111\u00e3 quy \u0111\u1ecbnh. Trong tr\u01b0\u1eddng h\u1ee3p h\u1ed9p c\u00e1p ph\u00eda \u0111\u1ea7u kia c\u1ee7a c\u00e1p \u0111\u01b0\u1ee3c n\u1ed1i \u0111\u1ea5t th\u00ec \u0111i\u1ec7n tr\u1edf n\u1ed1i \u0111\u1ea5t c\u1ee7a v\u1ecf c\u00e1p c\u1ea7n ph\u00f9 h\u1ee3p v\u1edbi y\u00eau c\u1ea7u c\u1ee7a quy ph\u1ea1m n\u1ed1i \u0111\u1ea5t.<\/p>\n<h2 style=\"text-align: justify;\"><strong>6. L\u1eafp \u0111\u1eb7t c\u00e1p v\u1edbi d\u00e2y d\u1eabn \u0111i\u1ec7n trong khay v\u00e0 thang c\u00e1p theo TCVN 9208:2012<\/strong><\/h2>\n<p style=\"text-align: justify;\"><strong>6.1<\/strong> Ph\u1ea3i s\u1eed d\u1ee5ng h\u1ec7 th\u1ed1ng thang c\u00e1p v\u00e0 khay c\u00e1p \u0111\u1ec3 b\u1ea3o v\u1ec7 c\u00e1p \u0111i\u1ec7n trong ph\u1ea1m vi nh\u00e0 x\u01b0\u1edfng khi c\u00f3 s\u1ed1 l\u01b0\u1ee3ng c\u00e1p l\u1edbn.<\/p>\n<p style=\"text-align: justify;\"><strong>6.2<\/strong> H\u1ec7 th\u1ed1ng thang c\u00e1p v\u00e0 khay c\u00e1p c\u1ea7n ph\u1ea3i \u0111\u01b0\u1ee3c l\u1eafp ho\u00e0n ch\u1ec9nh tr\u01b0\u1edbc khi \u0111\u1eb7t c\u00e1p theo \u0111\u00fang quy \u0111\u1ecbnh chung TCVN 9208:2012.<\/p>\n<p style=\"text-align: justify;\"><strong>6.3<\/strong> T\u1ea1i nh\u1eefng n\u01a1i c\u1ea7n thi\u1ebft, h\u1ec7 th\u1ed1ng thang c\u00e1p v\u00e0 khay c\u00e1p ph\u1ea3i \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t c\u00f9ng v\u1edbi c\u00fat n\u1ed1i, kh\u00e2u ch\u1eef th\u1eadp, kh\u00e2u thu h\u1eb9p, n\u1eafp \u0111\u1eady khay v\u00e0 c\u00e1c ph\u1ee5 ki\u1ec7n kh\u00e1c.<\/p>\n<p style=\"text-align: justify;\"><strong>6.4<\/strong> Theo TCVN 9208:2012, tuy\u1ebfn thang c\u00e1p ho\u1eb7c khay c\u00e1p kh\u00f4ng \u0111\u01b0\u1ee3c r\u1ed9ng qu\u00e1 1200mm. V\u1edbi m\u1ed7i c\u1ef1 ly t\u1eeb 1 m \u0111\u1ebfn 3 m ph\u1ea3i c\u00f3 gi\u00e1 \u0111\u1ee1 ho\u1eb7c quang treo sau v\u00e0 tr\u01b0\u1edbc khi thi c\u00f4ng c\u1ef1 ly n\u00e0y ph\u1ea3i \u0111\u01b0\u1ee3c c\u1ea5p c\u00f3 th\u1ea9m quy\u1ec1n ph\u00ea duy\u1ec7t.<\/p>\n<p style=\"text-align: justify;\"><strong>6.5<\/strong> Quang treo ho\u1eb7c gi\u00e1 \u0111\u1ee1 ph\u1ea3i \u0111\u01b0\u1ee3c c\u1ed1 \u0111\u1ecbnh v\u00e0o c\u00e1c k\u1ebft c\u1ea5u x\u00e2y d\u1ef1ng. Ho\u1eb7c n\u00f3 c\u0169ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c h\u00e0n v\u00e0o c\u00e1c m\u00e3 th\u00e9p c\u1ea5y trong k\u1ebft c\u1ea5u b\u00ea t\u00f4ng c\u1ee7a tr\u1ea7n.<\/p>\n<p style=\"text-align: justify;\"><strong>6.6<\/strong> Theo TCVN 9208:2012, thang c\u00e1p v\u00e0 khay c\u00e1p ph\u1ea3i \u0111\u1ee7 r\u1ed9ng \u0111\u1ec3 t\u1ea5t c\u1ea3 c\u00e1c c\u00e1p n\u1eb1m b\u00ean trong c\u00f3 th\u1ec3 d\u00e0n th\u00e0nh m\u1ed9t l\u1edbp. Gi\u1eefa hai c\u00e1p k\u1ec1 nhau ph\u1ea3i c\u00f3 kho\u1ea3ng h\u1edf \u0111\u1ee7 \u0111\u1ec3 bu\u1ed9c c\u00e1p v\u00e0o then ngang c\u1ee7a thang c\u00e1p ho\u1eb7c \u0111\u00e1y khay c\u00e1p b\u1eb1ng d\u00e2y th\u1eaft nh\u1ef1a.<\/p>\n<p style=\"text-align: justify;\"><strong>6.7<\/strong> V\u1eadt li\u1ec7u ch\u1ebf t\u1ea1o thang c\u00e1p ho\u1eb7c khay c\u00e1p ph\u1ea3i l\u00e0 th\u00e9p m\u1ea1 k\u1ebdm n\u00f3ng ho\u1eb7c c\u00f3 l\u1edbp ph\u1ee7 ngo\u00e0i b\u1eb1ng v\u1eadt li\u1ec7u ch\u1ed1ng \u0103n m\u00f2n v\u00e0 ch\u1ed1ng g\u1ec9.<\/p>\n<p style=\"text-align: justify;\"><strong>6.8<\/strong> TCVN 9208:2012 quy \u0111\u1ecbnh c\u00e1c c\u00e1p trong thang v\u00e0 khay c\u00e1p c\u1ea7n \u0111\u01b0\u1ee3c s\u1eafp x\u1ebfp theo th\u1ee9 t\u1ef1, t\u00f9y theo ch\u1ee9c n\u0103ng \u0111\u1ec3 ph\u00e2n th\u00e0nh t\u1eebng nh\u00f3m v\u00e0 \u0111\u01b0\u1ee3c c\u1ed1 \u0111\u1ecbnh b\u1eb1ng d\u00e2y th\u1eaft nh\u1ef1a.<\/p>\n<p style=\"text-align: justify;\"><strong>6.9<\/strong> Thang c\u00e1p v\u00e0 khay c\u00e1p ph\u1ea3i c\u00f3 \u0111\u1ed9 c\u1ee9ng v\u00e0 \u0111\u1ed9 b\u1ec1n th\u00edch h\u1ee3p \u0111\u1ec3 c\u00f3 th\u1ec3 \u0111\u1ee1 to\u00e0n b\u1ed9 c\u00e1p ch\u1ee9a trong thang ho\u1eb7c khay c\u00e1p.<\/p>\n<p style=\"text-align: justify;\"><strong>6.10<\/strong> Theo TCVN 9208:2012, thang c\u00e1p v\u00e0 khay c\u00e1p kh\u00f4ng \u0111\u01b0\u1ee3c c\u00f3 c\u1ea1nh s\u1eafc, ba via ho\u1eb7c m\u1eb7t th\u00f4 r\u00e1p \u0111\u1ec3 kh\u00f4ng l\u00e0m h\u1ecfng c\u00e1ch \u0111i\u1ec7n ho\u1eb7c l\u1edbp v\u1ecf ngo\u00e0i c\u1ee7a c\u00e1p. Bulong v\u00e0 \u1ed1c v\u00edt kh\u00f4ng \u0111\u01b0\u1ee3c nh\u00f4 l\u00ean kh\u1ecfi m\u1eb7t trong c\u1ee7a thang ho\u1eb7c khay c\u00e1p.<\/p>\n<p style=\"text-align: justify;\"><strong>6.11<\/strong> TCVN 9208:2012 quy \u0111\u1ecbnh r\u00f5 t\u1ea1i nh\u1eefng n\u01a1i s\u1eed d\u1ee5ng c\u00fat, kh\u00e2u ch\u1eef th\u1eadp, kh\u00e2u thu h\u1eb9p, t\u00ea,&#8230; tuy\u1ebfn thang c\u00e1p ho\u1eb7c khay c\u00e1p c\u1ea7n \u0111\u01b0\u1ee3c b\u1ea3o \u0111\u1ea3m t\u00ednh li\u00ean t\u1ee5c v\u1ec1 \u0111i\u1ec7n. Tuy nhi\u00ean, kh\u00f4ng \u0111\u01b0\u1ee3c d\u00f9ng b\u1ea3n th\u00e2n thang ho\u1eb7c khay c\u00e1p l\u00e0m d\u00e2y ti\u1ebfp \u0111\u1ea5t.<\/p>\n<p style=\"text-align: justify;\"><strong>6.12<\/strong> TCVN 9208:2012 quy \u0111\u1ecbnh r\u00f5 t\u1ea1i nh\u1eefng n\u01a1i c\u00f3 c\u00e1p t\u1eeb trong thang ho\u1eb7c khay c\u00e1p lu\u1ed3n v\u00e0o \u1ed1ng \u0111i d\u00e2y ho\u1eb7c m\u1ed9t ph\u01b0\u01a1ng ti\u1ec7n bao che kh\u00e1c, c\u1ea7n ph\u1ea3i b\u1ed1 tr\u00ed gi\u00e1 \u0111\u1ee1 ch\u1eafc ch\u1eafn \u0111\u1ec3 ng\u0103n ch\u1eb7n s\u1ee9c c\u0103ng t\u00e1c d\u1ee5ng l\u00ean c\u00e1p.<\/p>\n<p style=\"text-align: justify;\"><strong>6.13<\/strong> T\u1ea1i nh\u1eefng n\u01a1i tuy\u1ebfn thang c\u00e1p ho\u1eb7c khay c\u00e1p c\u00f3 v\u1eadt li\u1ec7u r\u01a1i v\u00e0o, t\u00edch l\u0169y b\u1ee5i ho\u1eb7c c\u00f3 hi\u1ec7u \u1ee9ng nhi\u1ec7t, c\u1ea7n ph\u1ea3i xem x\u00e9t \u0111\u1ec3 s\u1eafp x\u1ebfp ph\u01b0\u01a1ng ti\u1ec7n b\u1ea3o v\u1ec7 b\u1ed5 sung nh\u01b0 qu\u1ea1t th\u00f4ng gi\u00f3, m\u00e1i che,\u2026 \u0111\u00fang theo TCVN 9208:2012.<\/p>\n<p style=\"text-align: justify;\"><strong>6.14<\/strong> TCVN 9208:2012 quy \u0111\u1ecbnh, ph\u1ea3i tr\u00ecnh b\u1ea3n v\u1ebd chi ti\u1ebft c\u1ee7a \u0111o\u1ea1n tuy\u1ebfn khay ho\u1eb7c thang c\u00f3 s\u1eeda \u0111\u1ed5i v\u1edbi c\u01a1 quan t\u01b0 v\u1ea5n thi\u1ebft k\u1ebf khi c\u1ea7n tr\u00e1nh c\u00e1c tuy\u1ebfn \u1ed1ng c\u01a1 kh\u00ed th\u1ee7y l\u1ef1c ho\u1eb7c k\u1ebft c\u1ea5u x\u00e2y d\u1ef1ng \u0111\u1ec3 \u0111\u01b0\u1ee3c ph\u00ea duy\u1ec7t tr\u01b0\u1edbc khi thi c\u00f4ng.<\/p>\n<p style=\"text-align: justify;\"><strong>6.15<\/strong> Nh\u1eefng n\u01a1i n\u01b0\u1edbc m\u01b0a th\u1ea5m qua c\u00e1c c\u1eeda th\u00f4ng b\u1ed1 tr\u00ed d\u1ecdc theo tuy\u1ebfn thang c\u00e1p ho\u1eb7c khay c\u00e1p th\u00ec c\u1ea7n xem x\u00e9t th\u1ef1c hi\u1ec7n bi\u1ec7n ph\u00e1p ng\u0103n ch\u1eb7n n\u01b0\u1edbc x\u00e2m nh\u1eadp.<\/p>\n<p style=\"text-align: justify;\"><strong>6.16<\/strong> Theo TCVN 9208:2012, \u0111\u1ed1i v\u1edbi tuy\u1ebfn thang c\u00e1p ch\u1ea1y th\u1eb3ng \u0111\u1ee9ng c\u1ea7n \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7 trong ph\u1ea1m vi 2m t\u00ednh t\u1eeb s\u00e0n ho\u00e0n thi\u1ec7n hay m\u1eb7t \u0111\u1ea5t tr\u1edf l\u00ean b\u1eb1ng n\u1eafp \u0111\u1eady kim lo\u1ea1i ch\u1ed1ng \u0103n m\u00f2n v\u00e0 ch\u1ed1ng t\u00e1c h\u1ea1i c\u01a1 h\u1ecdc.<\/p>\n<p style=\"text-align: justify;\"><strong>6.17<\/strong> Xung quanh thang c\u00e1p ho\u1eb7c khay c\u00e1p ph\u1ea3i ch\u1eeba ho\u1eb7c duy tr\u00ec \u0111\u1ee7 kh\u00f4ng gian nh\u1eb1m ti\u1ebfp c\u1eadn d\u1ec5 d\u00e0ng \u0111\u1ec3 l\u1eafp \u0111\u1eb7t v\u00e0 b\u1ea3o tr\u00ec c\u00e1p.<\/p>\n<p style=\"text-align: justify;\"><strong>6.18<\/strong> Theo TCVN 9208:2012, thang c\u00e1p v\u00e0 khay c\u00e1p c\u1ea7n \u0111\u01b0\u1ee3c ti\u1ebfp \u0111\u1ea5t v\u00e0 n\u1ed1i \u0111\u1ea5t v\u1edbi d\u00e2y ti\u1ebfp \u0111\u1ea5t g\u1ea7n nh\u1ea5t. Tuy\u1ebfn thang v\u00e0 khay c\u00e1p d\u00e0i ph\u1ea3i \u0111\u01b0\u1ee3c n\u1ed1i \u0111\u1ea5t l\u1eb7p l\u1ea1i sau m\u1ed7i c\u1ef1 ly nh\u1ea5t \u0111\u1ecbnh theo quy \u0111\u1ecbnh thi\u1ebft k\u1ebf cho t\u1eebng c\u00f4ng tr\u00ecnh.<\/p>\n<p style=\"text-align: justify;\"><strong>6.19<\/strong> \u0110\u1ed1i v\u1edbi tuy\u1ebfn ch\u1ea1y theo ph\u01b0\u01a1ng n\u1eb1m ngang, v\u1edbi m\u1ed7i kho\u1ea3ng c\u00e1ch t\u1eeb 3m \u0111\u1ebfn 1,5m c\u1ea7n c\u1ed1 \u0111\u1ecbnh c\u00e1p ch\u1eafc ch\u1eafn v\u00e0o then ngang c\u1ee7a thang ho\u1eb7c \u0111\u00e1y \u0111\u1ee5c l\u1ed7 c\u1ee7a khay b\u1eb1ng d\u00e2y th\u1eaft nh\u1ef1a. C\u00f2n \u0111\u1ed1i v\u1edbi tuy\u1ebfn ch\u1ea1y theo ph\u01b0\u01a1ng kh\u00e1c, kho\u1ea3ng c\u00e1ch s\u1ebd l\u00e0 t\u1eeb 1,5m \u0111\u1ebfn 0,5m theo TCVN 9208:2012. Kho\u1ea3ng c\u00e1ch bu\u1ed9c c\u00e0ng ng\u1eafn khi c\u00e1p c\u00e0ng to.<\/p>\n<p style=\"text-align: justify;\"><strong>6.20<\/strong> N\u1eafp tr\u00ean c\u1ee7a thang c\u00e1p ho\u1eb7c khay c\u00e1p v\u00e0 c\u00e1c ph\u01b0\u01a1ng ti\u1ec7n b\u1ea3o v\u1ec7 b\u1ed5 sung c\u1ea7n \u0111\u01b0\u1ee3c th\u00e1o l\u1eafp d\u1ec5 d\u00e0ng.<\/p>\n<p style=\"text-align: justify;\"><strong>6.21<\/strong> TCVN 9208:2012 quy \u0111\u1ecbnh, t\u1ea1i nh\u1eefng n\u01a1i tuy\u1ebfn thang c\u00e1p ho\u1eb7c khay c\u00e1p ch\u1ea1y xuy\u00ean qua t\u01b0\u1eddng, tr\u1ea7n ho\u1eb7c s\u00e0n nh\u00e0 ng\u0103n c\u00e1ch ph\u00f2ng kh\u00f4ng c\u00f3 \u0111i\u1ec1u h\u00f2a kh\u00f4ng kh\u00ed v\u1edbi ph\u00f2ng c\u00f3 \u0111i\u1ec1u h\u00f2a kh\u00f4ng kh\u00ed, ph\u1ea3i b\u1ecbt k\u00edn l\u1ed7 th\u00f4ng v\u00e0 \u0111\u1ea3m b\u1ea3o kh\u1ea3 n\u0103ng c\u00e1ch nhi\u1ec7t gi\u1eefa c\u00e1c ph\u00f2ng.<\/p>\n<p style=\"text-align: justify;\"><strong>6.22<\/strong> Theo <strong>TCVN 9208:2012<\/strong>, c\u00e1p \u0111i t\u1eeb trong thang c\u00e1p ho\u1eb7c khay c\u00e1p ra ngo\u00e0i kh\u00f4ng \u0111\u01b0\u1ee3c v\u01b0\u1ee3t l\u00ean tr\u00ean th\u00e0nh b\u00ean c\u1ee7a thang ho\u1eb7c khay c\u00e1p \u0111\u1ec3 kh\u00f4ng l\u00e0m c\u1ea3n tr\u1edf vi\u1ec7c \u0111\u1eady n\u1eafp c\u1ee7a ch\u00fang.<\/p>\n<p style=\"text-align: justify;\"><strong>6.23<\/strong> Khi c\u00f3 nhi\u1ec1u t\u1ea7ng thang ho\u1eb7c khay c\u00e1p h\u1ea1 \u00e1p ch\u1ea1y song song d\u01b0\u1edbi tr\u1ea7n nh\u00e0 theo c\u00f9ng m\u1ed9t h\u01b0\u1edbng, kho\u1ea3ng c\u00e1ch gi\u1eefa hai t\u1ea7ng li\u00ean ti\u1ebfp kh\u00f4ng \u0111\u01b0\u1ee3c nh\u1ecf h\u01a1n 200 mm. V\u00e0 kh\u00f4ng \u0111\u01b0\u1ee3c nh\u1ecf h\u01a1n 300mm \u0111\u1ed1i v\u1edbi kho\u1ea3ng c\u00e1ch c\u1ee7a t\u1ea7ng tr\u00ean c\u00f9ng v\u1edbi tr\u1ea7n d\u1ef1a theo TCVN 9208:2012.<\/p>\n<p style=\"text-align: justify;\"><strong>6.24<\/strong> Khi c\u00f3 nhi\u1ec1u t\u1ea7ng thang ho\u1eb7c khay c\u00e1p h\u1ea1 \u00e1p ch\u1ea1y song song d\u1ecdc theo h\u00e0nh lang k\u1ef9 thu\u1eadt, kho\u1ea3ng c\u00e1ch gi\u1eefa hai t\u1ea7ng li\u00ean ti\u1ebfp khi t\u1ea7ng n\u00e0y ch\u1ea1y tr\u00ean t\u1ea7ng kia kh\u00f4ng \u0111\u01b0\u1ee3c nh\u1ecf h\u01a1n 300mm. \u0110\u1ed3ng th\u1eddi, kho\u1ea3ng c\u00e1ch gi\u1eefa m\u1eb7t tr\u00ean c\u1ee7a t\u1ea7ng \u1ed1ng c\u00f4ng ngh\u1ec7 ch\u1ea1y ph\u00eda d\u01b0\u1edbi v\u1edbi t\u1ea7ng d\u01b0\u1edbi c\u00f9ng kh\u00f4ng \u0111\u01b0\u1ee3c nh\u1ecf h\u01a1n 500mm d\u1ef1a theo TCVN 9208:2012.<\/p>\n<p style=\"text-align: justify;\"><strong>6.25<\/strong> Trong TCVN 9208:2012, tuy\u1ebfn thang ho\u1eb7c khay c\u00e1p trung \u00e1p ph\u1ea3i \u0111\u01b0\u1ee3c \u0111\u1eb7t c\u00e1ch xa tuy\u1ebfn thang ho\u1eb7c khay c\u00e1p h\u1ea1 \u00e1p. Th\u00f4ng th\u01b0\u1eddng, kho\u1ea3ng c\u00e1ch n\u00e0y kh\u00f4ng nh\u1ecf h\u01a1n 500mm v\u00e0 ph\u1ea3i \u0111\u01b0\u1ee3c s\u1ef1 ph\u00ea duy\u1ec7t c\u1ee7a k\u1ef9 s\u01b0 ph\u1ee5 tr\u00e1ch gi\u00e1m s\u00e1t thi c\u00f4ng ph\u1ea7n \u0111i\u1ec7n c\u1ee7a ch\u1ee7 \u0111\u1ea7u t\u01b0.<\/p>\n<p style=\"text-align: justify;\"><strong>6.26<\/strong> Trong c\u00f9ng m\u1ed9t h\u00e0nh lang k\u1ef9 thu\u1eadt, thang c\u00e1p kh\u00f4ng \u0111\u01b0\u1ee3c \u0111i chung v\u1edbi \u1ed1ng d\u1eabn d\u1ea7u ho\u1eb7c kh\u00ed \u0111\u1ed1t.<\/p>\n<p style=\"text-align: justify;\"><strong>6.27<\/strong> Theo TCVN 9208:2012, m\u1ed7i tuy\u1ebfn thang c\u00e1p ho\u1eb7c khay c\u00e1p ph\u1ea3i \u1edf t\u01b0 th\u1ebf co d\u00e3n t\u1ef1 do tr\u00ean quang treo ho\u1eb7c gi\u00e1 \u0111\u1ee1.<\/p>\n<p style=\"text-align: justify;\"><strong>6.28<\/strong> Khi tuy\u1ebfn c\u00e1p \u0111ang ch\u1ea1y theo ph\u01b0\u01a1ng th\u1eb3ng \u0111\u1ee9ng \u0111\u1ed5i sang ph\u01b0\u01a1ng n\u1eb1m ngang ho\u1eb7c ng\u01b0\u1ee3c l\u1ea1i, thang c\u00e1p hay khay c\u00e1p l\u1ea7n l\u01b0\u1ee3t chuy\u1ec3n qua hai g\u00f3c u\u1ed1n 135\u00b0 theo y\u00eau c\u1ea7u c\u1ee7a TCVN 9208:2012.<\/p>\n<p style=\"text-align: justify;\"><strong>6.29<\/strong> Thang c\u00e1p ho\u1eb7c khay c\u00e1p trung \u00e1p ph\u1ea3i c\u00f3 m\u00e0u s\u1eafc t\u01b0\u01a1ng ph\u1ea3n ho\u1eb7c bi\u1ec3n b\u00e1o \u0111\u1ec3 c\u00f3 th\u1ec3 ph\u00e2n bi\u1ec7t.<\/p>\n<p style=\"text-align: justify;\"><strong>6.30<\/strong> Theo TCVN 9208:2012, tr\u01b0\u1edbc khi l\u1eafp \u0111\u1eb7t, thang c\u00e1p ho\u1eb7c khay c\u00e1p c\u00f9ng v\u1edbi c\u00e1c ph\u1ee5 ki\u1ec7n c\u1ea7n \u0111\u01b0\u1ee3c ki\u1ec3m tra \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o kh\u00f4ng c\u00f3 khuy\u1ebft t\u1eadt v\u1ec1 \u0111i\u1ec7n, v\u1ec1 c\u01a1 h\u1ecdc:<\/p>\n<ul style=\"text-align: justify;\">\n<li>Ki\u1ec3m tra b\u1eb1ng m\u1eaft v\u1ec1 \u0111\u1ed9 r\u1eafn ch\u1eafc, s\u1ee9c b\u1ec1n, ch\u1ea5t l\u01b0\u1ee3ng m\u1ed1i n\u1ed1i v\u00e0 m\u1ed1i h\u00e0n, m\u1ea1 k\u1ebdm, l\u1edbp s\u01a1n ph\u1ee7,&#8230;<\/li>\n<li>Ki\u1ec3m tra t\u00ednh li\u00ean t\u1ee5c c\u1ee7a \u0111i\u1ec7n.<\/li>\n<\/ul>\n<figure id=\"attachment_2621\" aria-describedby=\"caption-attachment-2621\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-2621\" src=\"https:\/\/bestray.com\/blog\/wp-content\/uploads\/2021\/12\/Hinh-4-Du-an-_0462.jpg\" alt=\"m\u00e1ng c\u00e1p Bestray\" width=\"800\" height=\"500\" srcset=\"https:\/\/bestray.com\/blog\/wp-content\/uploads\/2021\/12\/Hinh-4-Du-an-_0462.jpg 800w, https:\/\/bestray.com\/blog\/wp-content\/uploads\/2021\/12\/Hinh-4-Du-an-_0462-300x188.jpg 300w, https:\/\/bestray.com\/blog\/wp-content\/uploads\/2021\/12\/Hinh-4-Du-an-_0462-768x480.jpg 768w, https:\/\/bestray.com\/blog\/wp-content\/uploads\/2021\/12\/Hinh-4-Du-an-_0462-696x435.jpg 696w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-2621\" class=\"wp-caption-text\"><span style=\"font-size: 16px;\">L\u1eafp \u0111\u1eb7t c\u00e1p v\u00e0 d\u00e2y d\u1eabn \u0111i\u1ec7n trong thang c\u00e1p<\/span><\/figcaption><\/figure>\n<h2 style=\"text-align: justify;\"><strong>7. L\u1eafp \u0111\u1eb7t c\u00e1p v\u00e0 d\u00e2y \u0111i\u1ec7n trong h\u1ed9p c\u00e1p theo TCVN 9208:2012<\/strong><\/h2>\n<p style=\"text-align: justify;\"><strong>7.1<\/strong> Theo <strong>TCVN 9208:2012<\/strong>, c\u00f3 th\u1ec3 d\u00f9ng h\u1ed9p c\u00e1p \u0111\u1ec3 \u0111\u1ef1ng c\u00e1p \u0111i\u1ec7n v\u00e0 d\u00e2y \u0111i\u1ec7n \u1edf nh\u1eefng n\u01a1i kh\u1ed1i l\u01b0\u1ee3ng c\u00e1p v\u00e0 d\u00e2y kh\u00f4ng nhi\u1ec1u v\u00e0 \u0111\u1ed1i v\u1edbi c\u00e1p c\u00f3 \u0111\u01b0\u1eddng k\u00ednh nh\u1ecf. H\u1ed9p c\u00e1p c\u1ea7n \u0111\u01b0\u1ee3c l\u00e0m b\u1eb1ng kim lo\u1ea1i ho\u1eb7c v\u1eadt li\u1ec7u kh\u00e1c c\u00f3 \u0111\u1ed9 b\u1ec1n cao.<\/p>\n<p style=\"text-align: justify;\"><strong>7.2<\/strong> Tr\u01b0\u1edbc khi \u0111\u1eb7t d\u00e2y ho\u1eb7c c\u00e1p \u0111i\u1ec7n b\u00ean trong m\u00e1ng, h\u1ec7 th\u1ed1ng h\u1ed9p c\u00e1p c\u1ea7n \u0111\u01b0\u1ee3c l\u1eafp ho\u00e0n ch\u1ec9nh \u0111\u00fang v\u1edbi TCVN 9208:2012.<\/p>\n<p style=\"text-align: justify;\"><strong>7.3<\/strong> H\u1ed9p c\u00e1p ph\u1ea3i c\u00f3 n\u1eafp \u0111\u1eady. N\u1eafp ph\u1ea3i d\u1ec5 th\u00e1o l\u1eafp \u0111\u1ec3 ti\u1ec7n l\u1eafp \u0111\u1eb7t, b\u1ea3o tr\u00ec ho\u1eb7c thay th\u1ebf d\u00e2y v\u00e0 c\u00e1p, tu\u00e2n th\u1ee7 theo TCVN 9208:2012. T\u1ea1i nh\u1eefng \u0111o\u1ea1n \u0111i xuy\u00ean qua t\u01b0\u1eddng ho\u1eb7c s\u00e0n, h\u1ed9p c\u00e1p v\u00e0 n\u1eafp \u0111\u1eady kh\u00f4ng \u0111\u01b0\u1ee3c c\u00f3 ch\u1eafp n\u1ed1i.<\/p>\n<p style=\"text-align: justify;\"><strong>7.4<\/strong> T\u1ea1i nh\u1eefng n\u01a1i m\u01b0a h\u1eaft, n\u1ebfu \u0111\u1eb7t h\u1ed9p c\u00e1p th\u00ec ph\u1ea3i c\u00f3 c\u1ea5p b\u1ea3o v\u1ec7 kh\u00f4ng th\u1ea5p h\u01a1n IP23 d\u1ef1a theo TCVN 9208:2012. \u0110\u1ed3ng th\u1eddi, c\u1ea7n c\u00f3 bi\u1ec7n ph\u00e1p ng\u0103n ch\u1eb7n h\u01a1i \u1ea9m v\u00e0 n\u01b0\u1edbc l\u1ecdt qua c\u00e1c kh\u00e2u n\u1ed1i v\u00e0o b\u00ean trong h\u1ed9p c\u00e1p.<\/p>\n<p style=\"text-align: justify;\"><strong>7.5<\/strong> Ph\u1ea3i x\u1eed l\u00fd b\u1ec1 m\u1eb7t v\u00e0 h\u00ecnh d\u00e1ng c\u00e1c kh\u00e2u n\u1ed1i ho\u1eb7c ch\u1ed7 \u0111\u1ed5i h\u01b0\u1edbng c\u1ee7a tuy\u1ebfn h\u1ed9p c\u00e1p \u0111\u1ec3 ch\u00fang kh\u00f4ng l\u00e0m h\u1ecfng d\u00e2y v\u00e0 c\u00e1p \u0111\u1eb7t b\u00ean trong.<\/p>\n<p style=\"text-align: justify;\"><strong>7.6<\/strong> Theo TCVN 9208:2012, ph\u1ea3i l\u1eafp \u0111\u1eb7t h\u1ed9p c\u00e1p sao cho c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng ti\u1ebfp c\u1eadn d\u00f9 l\u00e0 b\u1ea5t k\u1ef3 v\u1ecb tr\u00ed n\u00e0o \u0111\u1ec3 ki\u1ec3m tra v\u00e0 s\u1eeda ch\u1eefa c\u00e1p b\u00ean trong.<\/p>\n<p style=\"text-align: justify;\"><strong>7.7<\/strong> Ti\u00eau chu\u1ea9n <strong>TCVN 9208:2012<\/strong> quy \u0111\u1ecbnh \u1edf m\u00f4i tr\u01b0\u1eddng d\u1ec5 ch\u00e1y, \u1ea9m th\u1ea5p ho\u1eb7c nh\u1eefng n\u01a1i d\u1ec5 c\u00f3 t\u00e1c h\u1ea1i c\u01a1 h\u1ecdc th\u00ec kh\u00f4ng \u0111\u01b0\u1ee3c \u0111\u1eb7t h\u1ed9p c\u00e1p n\u1ebfu kh\u00f4ng c\u00f3 bi\u1ec7n ph\u00e1p b\u1ea3o v\u1ec7 b\u1ed5 sung.<\/p>\n<p style=\"text-align: justify;\"><strong>7.8<\/strong> Ph\u1ea3i s\u1eafp x\u1ebfp c\u00e1p \u0111i\u1ec7n v\u00e0 d\u00e2y \u0111i\u1ec7n b\u00ean trong h\u1ed9p c\u00e1p ngay ng\u1eafn, theo th\u1ee9 t\u1ef1 \u0111\u1ec3 kh\u00f4ng kh\u00ed l\u01b0u th\u00f4ng v\u00e0 t\u1ea3n nhi\u1ec7t d\u1ec5 d\u00e0ng.<\/p>\n<p style=\"text-align: justify;\"><strong>7.9<\/strong> H\u1ed9p c\u00e1p ph\u1ea3i \u0111\u01b0\u1ee3c \u0111\u1ee1 ho\u1eb7c treo sau m\u1ed7i c\u1ef1 ly 1,5m theo y\u00eau c\u1ea7u c\u1ee7a TCVN 9208:2012. \u0110\u1ed3ng th\u1eddi, ch\u00fang ph\u1ea3i \u1edf t\u01b0 th\u1ebf co d\u00e3n t\u1ef1 do tr\u00ean c\u00e1c quang treo ho\u1eb7c gi\u00e1 \u0111\u1ee1.<\/p>\n<p style=\"text-align: justify;\"><strong>7.10<\/strong> Gi\u00e1 \u0111\u1ee1 ho\u1eb7c quang treo ph\u1ea3i \u0111\u01b0\u1ee3c h\u00e0n v\u00e0o c\u00e1c m\u00e3 th\u00e9p c\u1ea5y trong k\u1ebft c\u1ea5u b\u00ea t\u00f4ng c\u1ee7a tr\u1ea7n ho\u1eb7c \u0111\u01b0\u1ee3c c\u1ed1 \u0111\u1ecbnh v\u00e0o c\u00e1c k\u1ebft c\u1ea5u x\u00e2y d\u1ef1ng.<\/p>\n<p style=\"text-align: justify;\"><strong>7.11<\/strong> H\u1ed9p c\u00e1p kim lo\u1ea1i c\u1ea7n ph\u1ea3i \u0111\u01b0\u1ee3c ti\u1ebfp \u0111\u1ea5t v\u00e0 n\u1ed1i v\u00e0o d\u00e2y ti\u1ebfp \u0111\u1ea5t g\u1ea7n nh\u1ea5t.<\/p>\n<h2 style=\"text-align: justify;\"><strong>8. L\u1eafp \u0111\u1eb7t c\u00e1p v\u00e0 d\u00e2y \u0111i\u1ec7n trong h\u1ec7 th\u1ed1ng \u1ed1ng lu\u1ed3n d\u00e2y theo TCVN 9208:2012<\/strong><\/h2>\n<p style=\"text-align: justify;\"><strong>8.1<\/strong> H\u1ec7 th\u1ed1ng \u1ed1ng lu\u1ed3n d\u00e2y bao g\u1ed3m \u1ed1ng th\u00e9p, m\u0103ng s\u00f4ng, \u1ed1ng nh\u1ef1a, r\u1eafc co, c\u00fat v\u00e0 c\u00e1c ph\u1ee5 ki\u1ec7n \u1ed1ng c\u1ea7n thi\u1ebft kh\u00e1c.<\/p>\n<p style=\"text-align: justify;\"><strong>8.2<\/strong> TCVN 9208:2012 quy \u0111\u1ecbnh, \u0111\u1ec3 b\u1ea3o v\u1ec7 c\u00e1p \u1edf khu v\u1ef1c s\u1ea3n xu\u1ea5t, b\u1ed5 sung cho h\u1ec7 th\u1ed1ng khay c\u00e1p th\u00ec c\u1ea7n \u00e1p d\u1ee5ng h\u1ec7 th\u1ed1ng \u1ed1ng lu\u1ed3n d\u00e2y kim lo\u1ea1i c\u1ee9ng.<\/p>\n<p style=\"text-align: justify;\"><strong>8.3<\/strong> Theo TCVN 9208:2012, tr\u01b0\u1edbc khi lu\u1ed3n c\u00e1p v\u00e0o \u1ed1ng, h\u1ec7 th\u1ed1ng \u1ed1ng lu\u1ed3n d\u00e2y ph\u1ea3i \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t ho\u00e0n ch\u1ec9nh. V\u1eady n\u00ean, trong \u1ed1ng lu\u1ed3n d\u00e2y c\u1ea7n c\u00f3 s\u1eb5n d\u00e2y m\u1ed3i \u0111\u1ec3 c\u00e1p \u0111\u01b0\u1ee3c k\u00e9o v\u00e0 \u1ed1ng. \u0110\u1ed1i v\u1edbi h\u1ec7 th\u1ed1ng \u1ed1ng lu\u1ed3n d\u00e2y \u0111\u1eb7t trong k\u1ebft c\u1ea5u b\u00ea t\u00f4ng \u0111\u00fac s\u1eb5n, ti\u00eau chu\u1ea9n n\u00e0y kh\u00f4ng b\u1eaft bu\u1ed9c.<\/p>\n<p style=\"text-align: justify;\"><strong>8.4<\/strong> Trong TCVN 9208:2012, d\u00e2y v\u00e0 c\u00e1p c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c lu\u1ed3n s\u1eb5n tr\u01b0\u1edbc khi \u0111\u1ed5 b\u00ea t\u00f4ng \u0111\u1ed1i v\u1edbi h\u1ec7 th\u1ed1ng \u1ed1ng lu\u1ed3n d\u00e2y \u0111\u1eb7t trong k\u1ebft c\u1ea5u b\u00ea t\u00f4ng \u0111\u00fac s\u1eb5n. Tuy nhi\u00ean, ph\u1ea3i c\u00f3 bi\u1ec7n ph\u00e1p \u0111\u1ec3 b\u1ea3o v\u1ec7 c\u00e1c \u0111\u1ea7u \u1ed1ng kh\u00f4ng b\u1ecb v\u1eefa ho\u1eb7c b\u00ea t\u00f4ng l\u1ecdt v\u00e0o trong. B\u00ean c\u1ea1nh \u0111\u00f3, ph\u1ea3i b\u1ea3o v\u1ec7 c\u00e1c \u0111\u1ea7u d\u00e2y th\u00f2 ra ngo\u00e0i mi\u1ec7ng \u1ed1ng \u0111\u1ec3 ch\u00fang kh\u00f4ng b\u1ecb \u0111\u1ee9t g\u00e3y.<\/p>\n<p style=\"text-align: justify;\"><strong>8.5<\/strong> \u0110\u1ed1i v\u1edbi h\u1ec7 th\u1ed1ng \u1ed1ng lu\u1ed3n d\u00e2y \u0111\u1eb7t trong k\u1ebft c\u1ea5u b\u00ea t\u00f4ng \u0111\u00fac s\u1eb5n, kh\u00f4ng \u0111\u01b0\u1ee3c \u0111\u1ec3 c\u00e1p ho\u1eb7c \u1ed1ng lu\u1ed3n d\u00e2y ch\u1ecbu t\u00e1c d\u1ee5ng c\u1ee7a s\u1ee9c c\u0103ng c\u01a1 h\u1ecdc xu\u1ea5t hi\u1ec7n trong qu\u00e1 tr\u00ecnh l\u1eafp \u0111\u1eb7t v\u00e0 \u0111\u1ed5 b\u00ea t\u00f4ng, tu\u00e2n th\u1ee7 theo TCVN 9208:2012.<\/p>\n<p style=\"text-align: justify;\"><strong>8.6<\/strong> C\u00e1c \u1ed1ng lu\u1ed3n d\u00e2y ph\u1ea3i \u0111\u01b0\u1ee3c c\u1ed1 \u0111\u1ecbnh tr\u01b0\u1edbc khi \u0111\u1ed5 b\u00ea t\u00f4ng. Chi\u1ec1u d\u00e0y c\u1ee7a b\u00ea t\u00f4ng theo TCVN 9208:2012 kh\u00f4ng v\u01b0\u1ee3t qu\u00e1 15mm sau khi \u0111\u00f4ng k\u1ebft bao b\u1ecdc quanh ti\u1ebft di\u1ec7n \u1ed1ng lu\u1ed3n d\u00e2y t\u1ea1i t\u1ea5t c\u1ea3 c\u00e1c \u0111i\u1ec3m.<\/p>\n<p style=\"text-align: justify;\"><strong>8.7<\/strong> T\u1ed5ng ti\u1ebft di\u1ec7n c\u1ee7a d\u00e2y \u0111i\u1ec7n ho\u1eb7c c\u00e1p \u0111i\u1ec7n lu\u1ed3n trong \u1ed1ng \u0111\u1eb7t s\u1eb5n trong b\u00ea t\u00f4ng kh\u00f4ng \u0111\u01b0\u1ee3c v\u01b0\u1ee3t qu\u00e1 40% so v\u1edbi ti\u1ebft di\u1ec7n \u1ed1ng lu\u1ed3n d\u00e2y theo y\u00eau c\u1ea7u c\u1ee7a TCVN 9208:2012.<\/p>\n<p style=\"text-align: justify;\"><strong>8.8<\/strong> C\u1ea7n c\u1ed1 \u0111\u1ecbnh v\u1eefng ch\u1eafc tuy\u1ebfn \u1ed1ng lu\u1ed3n d\u00e2y c\u1ee9ng b\u1eb1ng k\u1eb9p \u00f4m ho\u1eb7c ph\u01b0\u01a1ng ph\u00e1p kh\u00e1c v\u1edbi m\u1ed7i c\u1ef1 ly t\u1ed1i \u0111a 1m \u0111\u1ed1i v\u1edbi \u1ed1ng lu\u1ed3n d\u00e2y PVC c\u1ee9ng v\u00e0 t\u1ed1i \u0111a 2m \u0111\u1ed1i v\u1edbi \u1ed1ng lu\u1ed3n d\u00e2y kim lo\u1ea1i.<\/p>\n<p style=\"text-align: justify;\"><strong>8.9<\/strong> Trong m\u00f4i tr\u01b0\u1eddng \u1ea9m th\u1ea5p, kh\u00f4ng kh\u00ed c\u00f3 t\u00ednh \u0103n m\u00f2n, \u1ed1ng lu\u1ed3n d\u00e2y kim lo\u1ea1i v\u00e0 ph\u1ee5 ki\u1ec7n ph\u1ea3i tu\u00e2n theo TCVN 9208:2012 l\u00e0 \u0111\u01b0\u1ee3c m\u1ea1 k\u1ebdm n\u00f3ng ho\u1eb7c s\u01a1n ph\u1ee7 b\u1eb1ng v\u1eadt li\u1ec7u ch\u1ed1ng \u0103n m\u00f2n v\u00e0 ch\u1ed1ng g\u1ec9.<\/p>\n<p style=\"text-align: justify;\"><strong>8.10<\/strong> Theo TCVN 9208:2012 th\u00ec \u1edf hai \u0111\u1ea7u mi\u1ec7ng \u1ed1ng lu\u1ed3n d\u00e2y kim lo\u1ea1i c\u00f3 chi\u1ec1u d\u00e0i li\u00ean t\u1ee5c ph\u1ea3i c\u00f3 ren.<\/p>\n<p style=\"text-align: justify;\"><strong>8.11<\/strong> Mi\u1ec7ng \u1ed1ng \u0111\u1ec3 h\u1edf ph\u1ea3i \u0111\u01b0\u1ee3c trang b\u1ecb m\u1ed9t \u0111o\u1ea1n \u1ed1ng loe mi\u1ec7ng ho\u1eb7c m\u1ed9t \u0111o\u1ea1n \u1ed1ng l\u00f3t c\u00f3 \u00eacu h\u00e3m \u0111\u1ec3 kh\u00f4ng l\u00e0m h\u1ecfng c\u00e1ch \u0111i\u1ec7n c\u1ee7a c\u00e1p \u0111\u00fang v\u1edbi TCVN 9208:2012. N\u1ebfu \u0111\u1ea7u \u1ed1ng \u0111\u1ec3 h\u1edf nh\u00f4 ra ngo\u00e0i th\u00ec s\u1eed d\u1ee5ng \u0111o\u1ea1n \u1ed1ng mi\u1ec7ng loe,\u00a0 c\u00f2n n\u1ebfu \u0111\u1ea7u \u1ed1ng \u0111\u1ec3 h\u1edf n\u1eb1m l\u1ecdt trong m\u1ed9t m\u00e1ng bao che th\u00ec s\u1eed d\u1ee5ng \u0111o\u1ea1n \u1ed1ng l\u00f3t.<\/p>\n<p style=\"text-align: justify;\"><strong>8.12<\/strong> Tr\u00ean m\u1ed9t tuy\u1ebfn \u1ed1ng, s\u1ed1 c\u00fat \u1ed1ng lu\u1ed3n d\u00e2y ph\u1ea3i h\u1ea1n ch\u1ebf sao cho t\u1ed5ng s\u1ed1 g\u00f3c \u1edf t\u1ea5t c\u1ea3 c\u00e1c c\u00fat \u1ed1ng kh\u00f4ng \u0111\u01b0\u1ee3c ph\u00e9p v\u01b0\u1ee3t qu\u00e1 4 g\u00f3c vu\u00f4ng. Theo TCVN 9208:2012 c\u00f3 th\u1ec3 n\u1edbi r\u1ed9ng b\u00e1n k\u00ednh cong c\u1ee7a c\u00fat \u1ed1ng khi g\u1eb7p tr\u1edf ng\u1ea1i \u0111\u1ec3 t\u1ea1o thu\u1eadn l\u1ee3i cho vi\u1ec7c l\u1eafp \u0111\u1eb7t. G\u00f3c c\u1ee7a c\u00fat \u1ed1ng lu\u1ed3n d\u00e2y t\u1ed1i thi\u1ec3u l\u00e0 90\u00b0. Kh\u00f4ng \u0111\u01b0\u1ee3c l\u00e0m thu nh\u1ecf \u0111\u01b0\u1eddng k\u00ednh trong c\u1ee7a \u1ed1ng khi u\u1ed1n.<\/p>\n<p style=\"text-align: justify;\"><strong>8.13<\/strong> \u1ed0ng lu\u1ed3n d\u00e2y c\u1ee7a c\u00e1p trung \u00e1p ph\u1ea3i c\u00f3 m\u00e0u s\u1eafc t\u01b0\u01a1ng ph\u1ea3n \u0111\u1ec3 d\u1ec5 nh\u1eadn bi\u1ebft v\u00e0 ph\u1ea3i treo bi\u1ec3n c\u1ea3nh b\u00e1o \u0111\u00fang quy \u0111\u1ecbnh TCVN 9208:2012.<\/p>\n<p style=\"text-align: justify;\"><strong>8.14<\/strong> \u1ed0ng lu\u1ed3n d\u00e2y kim lo\u1ea1i c\u1ea7n \u0111\u1ea3m b\u1ea3o t\u00ednh li\u00ean t\u1ee5c v\u1ec1 \u0111i\u1ec7n. Ch\u00fang c\u1ea7n \u0111\u01b0\u1ee3c ti\u1ebfp \u0111\u1ea5t v\u00e0 n\u1ed1i v\u00e0o d\u00e2y ti\u1ebfp \u0111\u1ea5t g\u1ea7n nh\u1ea5t.<\/p>\n<p style=\"text-align: justify;\"><strong>8.15<\/strong> Ph\u1ea3i th\u1ef1c hi\u1ec7n c\u00e1c bi\u1ec7n ph\u00e1p ng\u0103n ch\u1eb7n n\u01b0\u1edbc x\u00e2m nh\u1eadp khi \u0111\u1eb7t \u1ed1ng lu\u1ed3n d\u00e2y.<\/p>\n<h2 style=\"text-align: justify;\"><strong>9. \u0110\u1eb7t c\u00e1p tr\u1ef1c ti\u1ebfp trong \u0111\u1ea5t v\u00e0 \u0111\u1eb7t c\u00e1p trong r\u00e3nh c\u00e1p theo TCVN 9208:2012<\/strong><\/h2>\n<p style=\"text-align: justify;\"><strong>9.1<\/strong> Trong TCVN 9208:2012, c\u00e1p \u0111i\u1ec7n \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 \u0111\u1eb7t tr\u1ef1c ti\u1ebfp trong \u0111\u1ea5t ph\u1ea3i l\u00e0 lo\u1ea1i c\u00f3 l\u1edbp \u0111ai th\u00e9p, c\u00f3 v\u1ecf b\u1ecdc kim lo\u1ea1i ho\u1eb7c c\u00f3 l\u01b0\u1edbi th\u00e9p b\u1ea3o v\u1ec7. \u0110\u1ed1i v\u1edbi c\u00e1c lo\u1ea1i c\u00e1p c\u00f3 c\u1ea5u t\u1ea1o kh\u00e1c th\u00ec c\u0169ng c\u1ea7n c\u00f3 ph\u1ea7n v\u1ecf b\u1ea3o v\u1ec7 b\u00ean ngo\u00e0i b\u1eb1ng nh\u1eefng v\u1eadt li\u1ec7u t\u01b0\u01a1ng t\u1ef1.<\/p>\n<p style=\"text-align: justify;\"><strong>9.2<\/strong> Theo TCVN 9208:2012, \u1edf m\u1ed7i n\u01a1i tuy\u1ebfn c\u00e1p \u0111\u1ed5i h\u01b0\u1edbng c\u1ea7n ph\u1ea3i \u0111\u00e1nh d\u1ea5u tuy\u1ebfn c\u00e1p ng\u1ea7m. \u0110\u1ed3ng th\u1eddi, d\u00f9ng c\u1ecdc \u0111\u00e1nh d\u1ea5u t\u1ea1i v\u1ecb tr\u00ed kh\u00f4ng c\u00f3 ng\u01b0\u1eddi qua l\u1ea1i sau m\u1ed7i kho\u1ea3ng 25m d\u1ecdc theo tuy\u1ebfn c\u00e1p ch\u1ea1y th\u1eb3ng.<\/p>\n<p style=\"text-align: justify;\"><strong>9.3<\/strong> Theo TCVN 9208:2012, c\u1ecdc \u0111\u00e1nh d\u1ea5u tuy\u1ebfn c\u00e1p ph\u1ea3i l\u00e0 c\u1ecdc b\u00ea t\u00f4ng h\u00ecnh h\u1ed9p ch\u1eef nh\u1eadt cao 300mm \u0111\u00e1y vu\u00f4ng 100&#215;100 mm, ch\u00fang c\u1ea7n \u0111\u01b0\u1ee3c ch\u00f4n trong \u0111\u1ea5t 200mm theo ph\u01b0\u01a1ng th\u1eb3ng \u0111\u1ee9ng. Tr\u00ean \u0111\u1ec9nh c\u1ecdc d\u1ecdc theo \u0111\u01b0\u1eddng ch\u00e9o c\u1ee7a h\u00ecnh vu\u00f4ng ch\u1ec9 h\u01b0\u1edbng \u0111i c\u1ee7a tuy\u1ebfn c\u00e1p b\u1eb1ng c\u00e1ch ghi m\u0169i t\u00ean s\u01a1n \u0111\u1ecf. \u0110\u1ec3 thay th\u1ebf cho c\u1ecdc \u0111\u00e1nh d\u1ea5u tuy\u1ebfn c\u00e1p \u1edf t\u1ea1i v\u1ecb tr\u00ed giao th\u00f4ng \u0111i l\u1ea1i (l\u00f2ng \u0111\u01b0\u1eddng, v\u1ec9a h\u00e8&#8230;) c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng s\u1ee9 h\u00ecnh tr\u1ee5.<\/p>\n<p style=\"text-align: justify;\"><strong>9.4<\/strong> Khi \u0111\u1eb7t c\u00e1p tr\u1ef1c ti\u1ebfp trong \u0111\u1ea5t ph\u1ea3i l\u00f3t d\u01b0\u1edbi c\u00e1p v\u00e0 ph\u1ee7 tr\u00ean c\u00e1p \u0111\u1ea5t m\u1ec1m m\u1ecbn ho\u1eb7c m\u1ed9t l\u1edbp c\u00e1t c\u00f3 \u0111\u1ed9 d\u00e0y t\u1ed1i thi\u1ec3u 100mm d\u1ef1a theo y\u00eau c\u1ea7u c\u1ee7a TCVN 9208:2012. D\u1ecdc tuy\u1ebfn ph\u1ea3i \u0111\u00e1nh d\u1ea5u v\u00e0 \u0111\u1eady c\u00e1p b\u1eb1ng m\u1ed9t l\u1edbp t\u1ea5m PVC c\u1ee9ng, th\u00e9p ho\u1eb7c g\u1ea1ch \u0111\u1ea5t s\u00e9t nung x\u1ebfp ngang.<\/p>\n<p style=\"text-align: justify;\"><strong>9.5<\/strong> Khi l\u1ea5p l\u1ea1i \u0111\u1ea5t kh\u00f4ng \u0111\u01b0\u1ee3c \u0111\u1ec3 \u0111\u00e1, g\u1ed7 ch\u00e1y d\u1edf, v\u1eadt li\u1ec7u l\u00e1t n\u1ec1n, v\u1eadt c\u1ee9ng c\u1ea1nh s\u1eafc, nh\u1ecdn r\u01a1i xu\u1ed1ng m\u01b0\u01a1ng \u0111\u1eb7t c\u00e1p.<\/p>\n<p style=\"text-align: justify;\"><strong>9.6<\/strong> TCVN 9208:2012 quy \u0111\u1ecbnh \u0111\u1ed9 s\u00e2u \u0111\u1eb7t c\u00e1p tr\u1ef1c ti\u1ebfp trong \u0111\u1ea5t \u0111\u1ed1i v\u1edbi c\u00e1p c\u00f3 \u0111i\u1ec7n \u00e1p 24kV t\u1ed1i thi\u1ec3u ph\u1ea3i l\u00e0 0,7m (tr\u1eeb m\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p \u0111\u1eb7c bi\u1ec7t). \u0110\u1ed9 s\u00e2u n\u00e0y t\u00ednh cho l\u1edbp c\u00e1p tr\u00ean c\u00f9ng trong tr\u01b0\u1eddng h\u1ee3p c\u00f3 nhi\u1ec1u l\u1edbp c\u00e1p ch\u00f4n trong m\u01b0\u01a1ng. Tr\u01b0\u1edbc khi d\u1eabn c\u00e1p v\u00e0o nh\u00e0, trong ph\u1ea1m vi 5m th\u00ec \u0111\u1ed9 s\u00e2u \u0111\u1eb7t c\u00e1p \u0111\u01b0\u1ee3c ph\u00e9p gi\u1ea3m c\u00f2n 0,5m theo TCVN 9208:2012.<\/p>\n<p style=\"text-align: justify;\"><strong>9.7<\/strong> Trong ti\u00eau chu\u1ea9n TCVN 9208:2012, khi c\u00e1p \u0111\u01b0\u1ee3c \u0111\u1eb7t tr\u1ef1c ti\u1ebfp trong \u0111\u1ea5t, trong c\u00f9ng m\u1ed9t l\u1edbp c\u00e1t ho\u1eb7c gi\u1eefa hai l\u1edbp c\u00e1t th\u00ec kho\u1ea3ng c\u00e1ch h\u1edf gi\u1eefa hai c\u00e1p x\u1ebfp c\u1ea1nh nhau l\u00e0 100mm \u0111\u1ed1i v\u1edbi c\u00e1p h\u1ea1 \u00e1p v\u00e0 \u0111\u1ed1i v\u1edbi c\u00e1p trung \u00e1p l\u00e0 250mm. Gi\u1eefa hai c\u00e1p \u0111i\u1ec1u khi\u1ec3n kh\u00f4ng quy \u0111\u1ecbnh kho\u1ea3ng c\u00e1ch.<\/p>\n<p style=\"text-align: justify;\"><strong>9.8<\/strong> Theo TCVN 9208:2012, khi c\u00e1p \u0111\u01b0\u1ee3c \u0111\u1eb7t tr\u1ef1c ti\u1ebfp trong \u0111\u1ea5t, c\u1ea7n \u0111\u1ea3m b\u1ea3o kho\u1ea3ng c\u00e1ch h\u1edf gi\u1eefa tuy\u1ebfn c\u00e1p h\u1ea1 \u00e1p v\u00e0 trung \u00e1p ho\u1eb7c c\u00e1c lo\u1ea1i c\u00e1p kh\u00e1c t\u1ed1i thi\u1ec3u l\u00e0 250mm.<\/p>\n<p style=\"text-align: justify;\"><strong>9.9<\/strong> Trong c\u00e1c v\u00f9ng \u0111\u1ea5t c\u00f3 h\u00f3a ch\u1ea5t \u0103n m\u00f2n th\u00ec kh\u00f4ng \u0111\u01b0\u1ee3c ph\u00e9p \u0111\u1eb7t c\u00e1p tr\u1ef1c ti\u1ebfp \u0111\u00fang nh\u01b0 quy \u0111\u1ecbnh c\u1ee7a TCVN 9208:2012. Trong tr\u01b0\u1eddng h\u1ee3p b\u1eaft bu\u1ed9c ph\u1ea3i \u0111\u1eb7t c\u00e1p th\u00ec ph\u1ea3i ch\u1ecdn lo\u1ea1i c\u00e1p v\u1eeba c\u00f3 l\u1edbp b\u1ecdc ch\u00ec, v\u1eeba c\u00f3 l\u1edbp b\u1ecdc th\u00e9p v\u00e0 ngo\u00e0i c\u00f9ng l\u00e0 l\u1edbp v\u1ecf PVC. Ph\u1ea3i \u0111\u1eb7t s\u1ee3i c\u00e1p trong \u1ed1ng ch\u1ea5t d\u1ebbo c\u00e1ch \u0111i\u1ec7n N\u1ebfu l\u1edbp v\u1ecf ch\u00ec kh\u00f4ng \u0111\u01b0\u1ee3c b\u1ecdc PVC.<\/p>\n<p style=\"text-align: justify;\"><strong>9.10<\/strong> Khi \u0111\u01b0\u1eddng \u1ed1ng c\u00f4ng ngh\u1ec7 v\u00e0 tuy\u1ebfn c\u00e1p \u0111\u1eb7t tr\u1ef1c ti\u1ebfp trong \u0111\u1ea5t giao ch\u00e9o v\u1edbi nhau th\u00ec kho\u1ea3ng c\u00e1ch gi\u1eefa ch\u00fang t\u1ed1i thi\u1ec3u l\u00e0 500mm theo TCVN 9208:2012. N\u1ebfu \u1ed1ng c\u00f4ng ngh\u1ec7 l\u00e0 \u1ed1ng d\u1eabn kh\u00ed \u0111\u1ed1t ho\u1eb7c d\u1eabn d\u1ea7u th\u00ec kho\u1ea3ng c\u00e1ch \u0111\u00f3 kh\u00f4ng \u0111\u01b0\u1ee3c nh\u1ecf h\u01a1n 1m. Trong tr\u01b0\u1eddng h\u1ee3p c\u00e1p \u0111\u01b0\u1ee3c lu\u1ed3n trong \u1ed1ng th\u00e9p b\u1ea3o v\u1ec7 th\u00ec kho\u1ea3ng c\u00e1ch tr\u00ean s\u1ebd \u0111\u01b0\u1ee3c gi\u1ea3m 50%, ch\u1ed7 giao ch\u00e9o v\u1ec1 m\u1ed7i b\u00ean c\u1ea7n c\u00e1ch \u1ed1ng th\u00e9p 1m.<\/p>\n<p style=\"text-align: justify;\"><strong>9.11<\/strong> Ph\u1ea3i \u0111\u1eb7t c\u00e1p trong r\u00e3nh c\u00e1p \u0111\u00fac b\u1eb1ng b\u00ea t\u00f4ng ho\u1eb7c c\u00e1p x\u00e2y t\u1ea1i nh\u1eefng n\u01a1i kh\u00f4ng thu\u1eadn ti\u1ec7n \u0111\u00e0o x\u1edbi khi c\u1ea7n thay th\u1ebf ho\u1eb7c b\u1ea3o tr\u00ec, tu\u00e2n th\u1ee7 v\u1edbi TCVN 9208:2012. R\u00e3nh c\u00e1p ph\u1ea3i c\u00f3 n\u1eafp \u0111\u1eady t\u1ea5m th\u00e9p ch\u1ed1ng tr\u01a1n ho\u1eb7c b\u1eb1ng t\u1ea5m \u0111an b\u00ea t\u00f4ng, ngo\u1ea1i tr\u1eeb khu v\u1ef1c d\u01b0\u1edbi \u0111\u00e1y t\u1ee7, b\u1ea3ng \u0111i\u1ec7n.<\/p>\n<p style=\"text-align: justify;\"><strong>9.12<\/strong> Theo TCVN 9208:2012, c\u00f3 th\u1ec3 \u0111\u1eb7t tr\u1ef1c ti\u1ebfp c\u00e1p l\u00ean tr\u00ean \u0111\u00e1y r\u00e3nh c\u00e1p n\u1ebfu r\u00e3nh c\u00e1p c\u00f3 \u0111\u00e1y kh\u00f4ng s\u00e2u qu\u00e1 500mm so v\u1edbi m\u1eb7t s\u00e0n ho\u00e0n thi\u1ec7n.<\/p>\n<p style=\"text-align: justify;\"><strong>9.13<\/strong> Ph\u1ea3i \u0111\u1eb7t c\u00e1p tr\u00ean c\u00e1c gi\u00e1 \u0111\u1ee1 c\u1ed1 \u0111\u1ecbnh v\u00e0o th\u00e0nh r\u00e3nh c\u00e1p sau m\u1ed7i kho\u1ea3ng c\u00e1ch 1m trong tr\u01b0\u1eddng h\u1ee3p r\u00e3nh c\u00e1p c\u00f3 \u0111\u00e1y s\u00e2u qu\u00e1 500 mm so v\u1edbi m\u1eb7t s\u00e0n ho\u00e0n thi\u1ec7n, \u0111\u00fang quy \u0111\u1ecbnh trong TCVN 9208:2012. T\u1ea5t c\u1ea3 c\u00e1c gi\u00e1 \u0111\u1ee1 c\u00e1p c\u1ea7n \u0111\u01b0\u1ee3c h\u00e0n v\u00e0o thanh ti\u1ebfp \u0111\u1ea5t ch\u1ea1y su\u1ed1t d\u1ecdc theo chi\u1ec1u d\u00e0i r\u00e3nh c\u00e1p.<\/p>\n<p style=\"text-align: justify;\"><strong>9.14<\/strong> Trong TCVN 9208:2012, c\u00e1p lu\u1ed3n qua th\u00e0nh r\u00e3nh c\u00e1p \u0111\u1ec3 \u0111i ra ngo\u00e0i c\u1ea7n \u0111\u01b0\u1ee3c lu\u1ed3n trong \u1ed1ng c\u1ee9ng c\u00f3 mi\u1ec7ng nh\u1eb5n, kh\u00f4ng \u0111\u01b0\u1ee3c th\u00f4 r\u00e1p ho\u1eb7c c\u00f3 c\u1ea1nh s\u1eafc.<\/p>\n<p style=\"text-align: justify;\"><strong>9.15<\/strong> R\u00e3nh c\u00e1p ph\u1ea3i c\u00f3 \u0111\u00e1y d\u1ed1c v\u1ec1 ph\u00eda c\u00e1c h\u1ed1 ga ho\u1eb7c ch\u1ed7 \u0111\u1eb7t b\u01a1m n\u01b0\u1edbc \u0111\u1ecdng. \u0110\u1ed3ng th\u1eddi, c\u1ea7n t\u00ednh \u0111\u1ebfn kh\u1ea3 n\u0103ng s\u1ebd m\u1edf r\u1ed9ng c\u00f4ng tr\u00ecnh trong t\u01b0\u01a1ng lai.<\/p>\n<h2 style=\"text-align: justify;\"><strong>10. K\u1ebft lu\u1eadn<\/strong><\/h2>\n<p style=\"text-align: justify;\">Tr\u00ean \u0111\u00e2y l\u00e0 nh\u1eefng n\u1ed9i dung ch\u00ednh b\u1ea1n c\u1ea7n bi\u1ebft v\u1ec1 TCVN 9208:2012 trong vi\u1ec7c l\u1eafp \u0111\u1eb7t d\u00e2y \u0111i\u1ec7n cho c\u00f4ng tr\u00ecnh c\u00f4ng c\u1ed9ng. \u0110i\u1ec1u n\u00e0y n\u1eb1m \u0111\u1ea3m b\u1ea3o h\u1ec7 th\u1ed1ng \u0111i\u1ec7n \u0111\u01b0\u1ee3c v\u1eadn h\u00e0nh v\u00e0 b\u1ea3o v\u1ec7 t\u1ed1t nh\u1ea5t. \u0110\u1ed3ng th\u1eddi, TCVN 9208:2012 c\u0169ng gi\u00fap ng\u01b0\u1eddi d\u00f9ng tr\u00e1nh \u0111\u01b0\u1ee3c nh\u1eefng s\u1ef1 c\u1ed1 c\u00f3 th\u1ec3 x\u1ea3y ra.<\/p>\n<p style=\"text-align: justify;\">\u0110\u1ec3 h\u1ec7 th\u1ed1ng c\u00e1p \u0111i\u1ec7n, d\u00e2y \u0111i\u1ec7n t\u1ea1i c\u00e1c c\u00f4ng tr\u00ecnh c\u00f4ng nghi\u1ec7p \u0111\u01b0\u1ee3c ho\u1ea1t \u0111\u1ed9ng v\u00e0 b\u1ea3o v\u1ec7 t\u1ed1t nh\u1ea5t kh\u1ecfi nh\u1eefng t\u00e1c nh\u00e2n t\u1eeb m\u00f4i tr\u01b0\u1eddng, b\u1ea1n c\u1ea7n s\u1eed d\u1ee5ng \u0111\u1ebfn s\u1ef1 h\u1ed7 tr\u1ee3 c\u1ee7a thang c\u00e1p ho\u1eb7c khay c\u00e1p. B\u1ea1n c\u00f3 th\u1ec3 t\u00ecm mua c\u00e1c s\u1ea3n ph\u1ea9m n\u00e0y t\u1ea1i c\u00f4ng ty c\u1ed5 ph\u1ea7n Bestray.<\/p>\n<p style=\"text-align: justify;\">V\u1edbi h\u01a1n 15 n\u0103m chuy\u00ean cung c\u1ea5p c\u00e1c s\u1ea3n ph\u1ea9m, <strong><a href=\"https:\/\/bestray.com\/cable-management\/mang-luoi\/\" target=\"_blank\" rel=\"noopener\">m\u00e1ng c\u00e1p d\u1ea1ng l\u01b0\u1edbi<\/a><\/strong>, <strong><a href=\"https:\/\/bestray.com\/cable-management\/khay-cap\/\" target=\"_blank\" rel=\"noopener\">khay c\u00e1p<\/a><\/strong>&#8230; v\u00e0 <strong><a href=\"https:\/\/bestray.com\/blog\/lua-chon-phu-kien-mang-cap\/\" target=\"_blank\" rel=\"noopener\">c\u00e1c lo\u1ea1i ph\u1ee5 ki\u1ec7n m\u00e1ng c\u00e1p<\/a><\/strong> kh\u00e1c \u0111\u1ebfn nhi\u1ec1u \u0111\u1ed1i t\u00e1c kh\u00e1ch h\u00e0ng, Bestray \u0111\u00e3 tr\u1edf th\u00e0nh \u0111\u1ecba ch\u1ec9 \u0111\u00e1ng tin c\u1eady tr\u00ean th\u1ecb tr\u01b0\u1eddng hi\u1ec7n nay. N\u1ebfu b\u1ea1n mu\u1ed1n t\u00ecm hi\u1ec3u th\u00eam c\u00e1c th\u00f4ng tin kh\u00e1c ho\u1eb7c \u0111\u1eb7t mua s\u1ea3n ph\u1ea9m c\u1ee7a ch\u00fang t\u00f4i, h\u00e3y truy c\u1eadp v\u00e0o Website <strong><a href=\"https:\/\/bestray.com\/\" target=\"_blank\" rel=\"noopener\">https:\/\/bestray.com\/<\/a><\/strong><\/p>\n<p style=\"text-align: justify;\"><em><strong>\u0110\u1ec3 bi\u1ebft th\u00eam th\u00f4ng tin chi ti\u1ebft, xin vui l\u00f2ng li\u00ean h\u1ec7:<\/strong><\/em><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-5197\" src=\"https:\/\/bestray.com\/blog\/wp-content\/uploads\/2024\/02\/Thang-Mang-Cap-Bestray-Chat-Luong-Cao-\u2013-Giai-Phap-Bao-Ve-An-Toan-Cho-He-Thong-Dien-1.gif\" alt=\"thang m\u00e1ng c\u00e1p\" width=\"1080\" height=\"1080\" \/><\/p>\n<p>&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;<\/p>\n<h2><strong>C\u00f4ng Ty C\u1ed5 Ph\u1ea7n Bestray &#8211; Chuy\u00ean S\u1ea3n Xu\u1ea5t Thang M\u00e1ng C\u00e1p (Cable Tray, <\/strong><strong>Cable <\/strong><strong>Trunking)<\/strong><\/h2>\n<ul>\n<li><span style=\"font-size: 20px;\">\u0110\u1ecba ch\u1ec9: 180\/7b, \u1ea5p T\u00e2n Th\u1edbi 3, x\u00e3 T\u00e2n Hi\u1ec7p, huy\u1ec7n H\u00f3c M\u00f4n, TPHCM<\/span><\/li>\n<li><span style=\"font-size: 20px;\">\u0110i\u1ec7n Tho\u1ea1i: (028) 3713 3076 &#8211; 078 453 1668 &#8211; 0909 089 678<\/span><\/li>\n<li><span style=\"font-size: 20px;\">E-mail: sales@bestray<\/span><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>M\u1ed7i c\u00f4ng tr\u00ecnh \u0111\u1ec1u c\u1ea7n ph\u1ea3i tu\u00e2n th\u1ee7 theo ti\u00eau chu\u1ea9n TCVN 9208:2012 v\u1ec1 vi\u1ec7c l\u1eafp \u0111\u1eb7t d\u00e2y c\u00e1p trong h\u1ec7 th\u1ed1ng \u0111i\u1ec7n. B\u1edfi ti\u00eau chu\u1ea9n n\u00e0y s\u1ebd gi\u00fap vi\u1ec7c thi c\u00f4ng th\u1ef1c hi\u1ec7n \u0111\u00fang theo ti\u00eau chu\u1ea9n trong c\u00e1ch b\u1ed1 tr\u00ed, b\u1ea3o v\u1ec7 \u0111\u01b0\u1eddng d\u00e2y \u0111i\u1ec7n, c\u00e1p v\u00e0 gi\u00fap b\u1ea1n hi\u1ec3u r\u00f5 c\u00e1c quy [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":3165,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[122],"tags":[269],"class_list":{"0":"post-2576","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-xay-dung","8":"tag-tcvn"},"lang":"vi","translations":{"vi":2576},"pll_sync_post":[],"_links":{"self":[{"href":"https:\/\/bestray.com\/blog\/wp-json\/wp\/v2\/posts\/2576","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/bestray.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/bestray.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/bestray.com\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/bestray.com\/blog\/wp-json\/wp\/v2\/comments?post=2576"}],"version-history":[{"count":9,"href":"https:\/\/bestray.com\/blog\/wp-json\/wp\/v2\/posts\/2576\/revisions"}],"predecessor-version":[{"id":5391,"href":"https:\/\/bestray.com\/blog\/wp-json\/wp\/v2\/posts\/2576\/revisions\/5391"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/bestray.com\/blog\/wp-json\/wp\/v2\/media\/3165"}],"wp:attachment":[{"href":"https:\/\/bestray.com\/blog\/wp-json\/wp\/v2\/media?parent=2576"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/bestray.com\/blog\/wp-json\/wp\/v2\/categories?post=2576"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/bestray.com\/blog\/wp-json\/wp\/v2\/tags?post=2576"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}