{"id":29148,"date":"2025-06-16T02:28:56","date_gmt":"2025-06-16T02:28:56","guid":{"rendered":"https:\/\/stecvina.com\/?post_type=solution&p=29148"},"modified":"2025-09-07T08:55:06","modified_gmt":"2025-09-07T08:55:06","slug":"nhung-quy-dinh-can-luu-y-khi-thiet-ke-thi-cong-lap-dat-dau-do-khoi-tren-tran-phang-theo-tcvn-7568-142025","status":"publish","type":"solution","link":"https:\/\/stecvina.com\/en\/solution\/smoke-detector-installation-flat-ceiling-tcvn-7568-14\/","title":{"rendered":"Nh\u1eefng quy \u0111\u1ecbnh c\u1ea7n l\u01b0u \u00fd khi thi\u1ebft k\u1ebf, thi c\u00f4ng l\u1eafp \u0111\u1eb7t \u0111\u1ea7u d\u00f2 kh\u00f3i tr\u00ean tr\u1ea7n ph\u1eb3ng theo TCVN 7568-14:2025"},"content":{"rendered":"

Vi\u1ec7c b\u1ed1 tr\u00ed \u0111\u1ea7u d\u00f2 kh\u00f3i \u0111\u00fang chu\u1ea9n kh\u00f4ng ch\u1ec9 l\u00e0 y\u00eau c\u1ea7u b\u1eaft bu\u1ed9c \u0111\u1ec3 nghi\u1ec7m thu, m\u00e0 c\u00f2n l\u00e0 y\u1ebfu t\u1ed1 quy\u1ebft \u0111\u1ecbnh t\u00ednh hi\u1ec7u qu\u1ea3 c\u1ee7a h\u1ec7 th\u1ed1ng b\u00e1o ch\u00e1y. Ti\u00eau chu\u1ea9n TCVN 7568-14:2025<\/strong> \u0111\u00e3 c\u1eadp nh\u1eadt r\u00f5 r\u00e0ng c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt li\u00ean quan \u0111\u1ebfn kho\u1ea3ng c\u00e1ch l\u1eafp \u0111\u1eb7t \u0111\u1ea7u d\u00f2 kh\u00f3i<\/strong> tr\u00ean tr\u1ea7n ph\u1eb3ng, k\u1ec3 c\u1ea3 trong c\u00e1c khu v\u1ef1c c\u00f3 d\u1ea7m.<\/h4>\n\n\n
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\u1ea2nh minh h\u1ecda<\/em><\/figcaption><\/figure>\n<\/div>\n\n\n

D\u01b0\u1edbi \u0111\u00e2y l\u00e0 nh\u1eefng n\u1ed9i dung k\u1ef9 thu\u1eadt quan tr\u1ecdng c\u1ea7n n\u1eafm v\u1eefng:<\/p>\n\n\n\n

1. L\u1eafp \u0111\u1eb7t \u0111\u1ea7u d\u00f2 kh\u00f3i tr\u00ean tr\u1ea7n ph\u1eb3ng<\/strong><\/h4>\n\n\n\n

Theo m\u1ee5c 5.9.1.1.2<\/strong> c\u1ee7a ti\u00eau chu\u1ea9n:<\/p>\n\n\n\n

\u0110\u1ed1i v\u1edbi c\u00e1c tr\u1ea7n ph\u1eb3ng, kho\u1ea3ng c\u00e1ch t\u1eeb \u0111i\u1ec3m b\u1ea5t k\u1ef3 tr\u00ean tr\u1ea7n ph\u1eb3ng \u0111\u1ebfn \u0111\u1ea7u b\u00e1o ch\u00e1y g\u1ea7n nh\u1ea5t kh\u00f4ng v\u01b0\u1ee3t qu\u00e1 7,2 m v\u00e0 kho\u1ea3ng c\u00e1ch gi\u1eefa c\u00e1c \u0111\u1ea7u b\u00e1o ch\u00e1y kh\u00f4ng \u0111\u01b0\u1ee3c v\u01b0\u1ee3t qu\u00e1 10,2 m (xem H\u00ecnh 2).<\/p>\n\n\n\n

K\u00edch th\u01b0\u1edbc t\u00ednh b\u1eb1ng m\u00e9t<\/p>\n\n\n\n

\"\"\/
H\u00ecnh 2 – Kho\u1ea3ng c\u00e1ch l\u1edbn nh\u1ea5t gi\u1eefa c\u00e1c \u0111\u1ea7u b\u00e1o ch\u00e1y l\u1eafp \u0111\u1eb7t tr\u00ean b\u1ec1 m\u1eb7t b\u1eb1ng\u00a0tr\u1ea7n ph\u1eb3ng<\/strong><\/figcaption><\/figure>\n\n\n\n

<\/p>\n\n\n\n

Theo m\u1ee5c 5.9.1.1.4<\/strong>, c\u1ea7n l\u01b0u \u00fd:<\/p>\n\n\n\n

a) Kho\u1ea3ng c\u00e1ch t\u1eeb h\u00e0ng c\u1ee7a \u0111\u1ea7u b\u00e1o ch\u00e1y g\u1ea7n nh\u1ea5t t\u1edbi t\u01b0\u1eddng ho\u1eb7c v\u00e1ch ng\u0103n kh\u00f4ng \u0111\u01b0\u1ee3c v\u01b0\u1ee3t qu\u00e1 5,1 m v\u00e0 kh\u00f4ng nh\u1ecf h\u01a1n 0,5 m (xem H\u00ecnh 2).<\/p>\n\n\n\n

b) Kho\u1ea3ng c\u00e1ch t\u1eeb \u0111\u1ea7u b\u00e1o ch\u00e1y \u0111\u1ebfn m\u00e9p ngo\u00e0i g\u1ea7n nh\u1ea5t c\u1ee7a c\u1eeda c\u1ea5p kh\u00f4ng kh\u00ed kh\u00f4ng kh\u00ed kh\u00f4ng nh\u1ecf h\u01a1n 0,4 m.<\/p>\n\n\n\n

c) Kho\u1ea3ng c\u00e1ch t\u1eeb \u0111\u1ea7u b\u00e1o ch\u00e1y \u0111\u1ebfn ph\u00eda ngo\u00e0i chu vi c\u1ee7a c\u00e1nh qu\u1ea1t kh\u00f4ng nh\u1ecf h\u01a1n 0,4 m.<\/p>\n\n\n\n

\ud83d\udccc Ch\u00fa \u00fd<\/em>: Vi\u1ec7c b\u1ed1 tr\u00ed \u0111\u1ea7u d\u00f2 g\u1ea7n c\u1eeda gi\u00f3 ho\u1eb7c c\u00e1c v\u1eadt c\u1ea3n c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn lu\u1ed3ng kh\u00f3i, l\u00e0m ch\u1eadm kh\u1ea3 n\u0103ng ph\u00e1t hi\u1ec7n ch\u00e1y n\u1ebfu kh\u00f4ng tu\u00e2n th\u1ee7 \u0111\u00fang kho\u1ea3ng c\u00e1ch.<\/p>\n\n\n\n

2. V\u1ecb tr\u00ed c\u1ee7a c\u00e1c \u0111\u1ea7u b\u00e1o ch\u00e1y kh\u00f3i tr\u00ean c\u00e1c b\u1ec1 m\u1eb7t ph\u1eb3ng c\u00f3 c\u00e1c d\u1eb1m<\/strong><\/strong><\/h4>\n\n\n\n

K\u1ebft c\u1ea5u tr\u1ea7n c\u00f3 d\u1ea7m \u0111\u01b0\u1ee3c quy \u0111\u1ecbnh t\u1ea1i m\u1ee5c 5.9.1.1.6<\/strong>, chia theo t\u1eebng tr\u01b0\u1eddng h\u1ee3p c\u1ee5 th\u1ec3 nh\u01b0 sau:Khi c\u00e1c b\u1ec1 m\u1eb7t b\u1eb1ng ph\u1eb3ng \u0111\u01b0\u1ee3c ng\u0103n b\u1edfi k\u1ebft c\u1ea5u, c\u1ea5u ki\u1ec7n l\u00e0m gi\u1ea3m \u0111\u1ed1i l\u01b0u c\u1ee7a kh\u00f3i, c\u00e1c \u0111\u1ea7u b\u00e1o ch\u00e1y ph\u1ea3i \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t b\u1ea3o \u0111\u1ea3m kho\u1ea3ng c\u00e1ch gi\u1eefa c\u00e1c \u0111\u1ea7u b\u00e1o ch\u00e1y ph\u1ea3i ph\u00f9 h\u1ee3p v\u1edbi 5.9.1.1.2, 5.9.1.1.4 v\u00e0 c\u00e1c \u0111i\u1ec1u ki\u1ec7n sau:<\/p>\n\n\n\n

a. \u0110\u1ed1i v\u1edbi c\u00e1c khu v\u1ef1c c\u00f3 \u0111\u1ed9 s\u00e2u d\u1ea7m d \u2264 0,3 m (xem V\u00f9ng 1, H\u00ecnh 4).<\/p>\n\n\n\n

b. \u0110\u1ed1i v\u1edbi c\u00e1c khu v\u1ef1c c\u00f3 chi\u1ec1u cao h < 2 m v\u00e0 \u0111\u1ed9 s\u00e2u c\u1ee7a d\u1ea7m nh\u00e0 d > 0,3 m (xem V\u00f9ng 2, H\u00ecnh 4).<\/p>\n\n\n\n

c. \u0110\u1ed1i v\u1edbi c\u00e1c khu v\u1ef1c c\u00f3 chi\u1ec1u cao tr\u1ea7n 2 m < h \u2264 4 m, \u0111\u1ed9 s\u00e2u c\u1ee7a d\u1ea7m nh\u00e0 d \u2265 0,3 m (xem V\u00f9ng 3, H\u00ecnh 4) v\u00e0 khu v\u1ef1c gi\u1eefa c\u00e1c d\u1ea7m nh\u00e0 c\u00f3 di\u1ec7n t\u00edch < 4 m2<\/sup>, c\u00e1c \u0111\u1ea7u b\u00e1o ch\u00e1y ph\u1ea3i \u0111\u01b0\u1ee3c l\u1eafp tr\u00ean m\u1eb7t d\u01b0\u1edbi c\u1ee7a c\u00e1c d\u1ea7m nh\u00e0.<\/p>\n\n\n\n

d. \u0110\u1ed1i v\u1edbi c\u00e1c khu v\u1ef1c nh\u01b0 \u0111\u00e3 n\u00eau trong 5.9.1.1.6 c, khi di\u1ec7n t\u00edch c\u1ee7a khu v\u1ef1c gi\u1eefa c\u00e1c d\u1ea7m nh\u00e0 \u2265 4 m2<\/sup>, ph\u1ea3i l\u1eafp \u0111\u1eb7t \u00edt nh\u1ea5t l\u00e0 m\u1ed9t \u0111\u1ea7u b\u00e1o ch\u00e1y trong m\u1ed7i khu v\u1ef1c gi\u1eefa c\u00e1c d\u1ea7m nh\u00e0.<\/p>\n\n\n\n

e. \u0110\u1ed1i v\u1edbi c\u00e1c khu v\u1ef1c c\u1ed1 chi\u1ec1u cao tr\u1ea7n h \u2265 4 m, \u0111\u1ed9 s\u00e2u c\u1ee7a d\u1ea7m nh\u00e0 d \u2265 0,3 m (xem V\u00f9ng 4, H\u00ecnh 4) v\u00e0 di\u1ec7n t\u00edch c\u1ee7a khu v\u1ef1c gi\u1eefa c\u00e1c d\u1ea7m nh\u00e0 < 9 m2<\/sup>, c\u00e1c \u0111\u1ea7u b\u00e1o ch\u00e1y ph\u1ea3i \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t tr\u00ean m\u1eb7t d\u01b0\u1edbi c\u1ee7a c\u00e1c d\u1ea7m nh\u00e0.<\/p>\n\n\n\n

f. \u0110\u1ed1i v\u1edbi c\u00e1c khu v\u1ef1c c\u00f3 chi\u1ec1u cao tr\u1ea7n h \u2265 4 m, \u0111\u1ed9 s\u00e2u c\u1ee7a d\u1ea7m nh\u00e0 d \u2265 0,3 m (xem V\u00f9ng 4, H\u00ecnh 4) v\u00e0 di\u1ec7n t\u00edch c\u1ee7a khu v\u1ef1c gi\u1eefa c\u00e1c d\u1ea7m nh\u00e0 \u2265 9 m2<\/sup>, c\u00e1c \u0111\u1ea7u b\u00e1o ch\u00e1y ph\u1ea3i \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t trong c\u00e1c khu v\u1ef1c gi\u1eefa c\u00e1c d\u1ea7m nh\u00e0.<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

T\u00f3m t\u1eaft :<\/strong><\/p>\n\n\n\n

\u0110i\u1ec1u ki\u1ec7n tr\u1ea7n\/d\u1ea7m<\/strong><\/td>H\u01b0\u1edbng d\u1eabn l\u1eafp \u0111\u1eb7t<\/strong><\/td><\/tr>
D\u1ea7m \u2264 0.3m ho\u1eb7c tr\u1ea7n < 2m<\/td>Coi nh\u01b0 tr\u1ea7n ph\u1eb3ng<\/td><\/tr>
Tr\u1ea7n 2\u20134m, d\u1ea7m \u2265 0.3m, khoang < 4m\u00b2<\/td>L\u1eafp \u0111\u1ea7u d\u00f2 d\u01b0\u1edbi \u0111\u00e1y d\u1ea7m<\/td><\/tr>
Tr\u1ea7n 2\u20134m, d\u1ea7m \u2265 0.3m, khoang \u2265 4m\u00b2<\/td>L\u1eafp th\u00eam \u0111\u1ea7u d\u00f2 trong khoang d\u1ea7m<\/td><\/tr>
Tr\u1ea7n \u2265 4m, d\u1ea7m \u2265 0.3m, khoang < 9m\u00b2<\/td>L\u1eafp \u0111\u1ea7u d\u00f2 d\u01b0\u1edbi \u0111\u00e1y d\u1ea7m<\/td><\/tr>
Tr\u1ea7n \u2265 4m, d\u1ea7m \u2265 0.3m, khoang \u2265 9m\u00b2<\/td>L\u1eafp th\u00eam \u0111\u1ea7u d\u00f2 trong khoang d\u1ea7m<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

L\u01b0u \u00fd khi thi\u1ebft k\u1ebf v\u00e0 thi c\u00f4ng:<\/strong><\/h4>\n\n\n\n
    \n
  • T\u00ednh to\u00e1n ch\u00ednh x\u00e1c kho\u1ea3ng c\u00e1ch<\/strong> theo th\u1ef1c t\u1ebf tr\u1ea7n v\u00e0 d\u1ea7m
    <\/li>\n\n\n\n
  • Tr\u00e1nh b\u1ed1 tr\u00ed \u0111\u1ea7u d\u00f2 g\u1ea7n thi\u1ebft b\u1ecb c\u01a1 \u0111i\u1ec7n<\/strong> nh\u01b0 qu\u1ea1t h\u00fat, c\u1eeda gi\u00f3
    <\/li>\n\n\n\n
  • Kh\u00f4ng s\u1eed d\u1ee5ng \u01b0\u1edbc l\u01b0\u1ee3ng th\u1ee7 c\u00f4ng<\/strong> \u2013 n\u00ean \u0111o v\u00e0 x\u00e1c \u0111\u1ecbnh v\u1ecb tr\u00ed b\u1eb1ng b\u1ea3n v\u1ebd ho\u1eb7c c\u00f4ng c\u1ee5 h\u1ed7 tr\u1ee3 k\u1ef9 thu\u1eadt<\/li>\n<\/ul>\n\n\n\n

    Ph\u00eda tr\u00ean l\u00e0 m\u1ed9t s\u1ed1 \u0111i\u1ec1u \u0111\u00e1ng ch\u00fa \u00fd trong ti\u00eau chu\u1ea9n m\u1edbi \u0111\u01b0\u1ee3c t\u1ed5ng h\u1ee3p c\u1ee7a S-TEC VINA l\u1ea1i, h\u00e3y chia s\u1ebb th\u00eam kinh nghi\u1ec7m th\u1ef1c t\u1ebf ho\u1eb7c g\u00f3p \u00fd \u0111\u1ec3 b\u00e0i vi\u1ebft ho\u00e0n thi\u1ec7n h\u01a1n \u1edf ph\u1ea7n b\u00ecnh lu\u1eadn b\u00ean d\u01b0\u1edbi nh\u00e9!<\/p>\n\n\n\n

    S-TEC VINA<\/strong> \u2013 \u0111\u1ed3ng h\u00e0nh c\u00f9ng b\u1ea1n trong m\u1ecdi c\u00f4ng tr\u00ecnh, \u0111\u1ea3m b\u1ea3o h\u1ec7 th\u1ed1ng b\u00e1o ch\u00e1y v\u00e0 ch\u1eefa ch\u00e1y tu\u00e2n th\u1ee7 TCVN m\u1edbi nh\u1ea5t, \u0111\u1ea1t nghi\u1ec7m thu v\u00e0 an to\u00e0n v\u1eadn h\u00e0nh l\u00e2u d\u00e0i.<\/h4>\n\n\n\n

    Contact\u00a0us\u00a0now<\/strong><\/p>\n\n\n\n

    \u0110\u1ecba ch\u1ec9: L\u00f4 CN03, khu CN \u0110\u1ed3ng V\u0103n IV, Ph\u01b0\u1eddng \u0110\u1ea1i C\u01b0\u01a1ng, Th\u1ecb x\u00e3 Kim B\u1ea3ng, T\u1ec9nh H\u00e0 Nam<\/p>\n\n\n\n

    Hotline: 022.6246.0114 \u2013 0386 119 114<\/p>\n\n\n\n

    VP \u0111\u1ea1i di\u1ec7n: T\u00f2a 5, D\u2019capitale, 119 \u0110. Tr\u1ea7n Duy H\u01b0ng, Trung Ho\u00e0, C\u1ea7u Gi\u1ea5y, H\u00e0 N\u1ed9i<\/p>\n\n\n\n

    Email: info@stecvina.com<\/p>","protected":false},"author":5,"featured_media":29151,"template":"","meta":{"_acf_changed":false},"solution_cat":[],"solution_tag":[],"class_list":["post-29148","solution","type-solution","status-publish","has-post-thumbnail","hentry"],"acf":[],"yoast_head":"\nQuy \u0110\u1ecbnh L\u1eafp \u0110\u1eb7t \u0110\u1ea7u B\u00e1o Kh\u00f3i Theo TCVN 7568-14:2025<\/title>\n<meta name=\"description\" content=\"H\u01b0\u1edbng d\u1eabn quy \u0111\u1ecbnh khi thi\u1ebft k\u1ebf, l\u1eafp \u0111\u1eb7t \u0111\u1ea7u b\u00e1o kh\u00f3i tr\u00ean tr\u1ea7n ph\u1eb3ng theo TCVN 7568-14:2025, \u0111\u1ea3m b\u1ea3o h\u1ec7 th\u1ed1ng b\u00e1o ch\u00e1y ho\u1ea1t \u0111\u1ed9ng t\u1ed1i \u01b0u.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/stecvina.com\/en\/solution\/smoke-detector-installation-flat-ceiling-tcvn-7568-14\/\" \/>\n<meta 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