{"id":2031,"date":"2025-02-27T19:40:33","date_gmt":"2025-02-27T11:40:33","guid":{"rendered":"https:\/\/led.amasly.com\/?p=2031"},"modified":"2025-03-06T22:24:19","modified_gmt":"2025-03-06T14:24:19","slug":"electrical-explosion-proof-and-ventilation-requirements-for-gas-boiler-rooms","status":"publish","type":"post","link":"https:\/\/led.amasly.com\/vi\/explosion-proof-equipment\/electrical-explosion-proof-and-ventilation-requirements-for-gas-boiler-rooms\/","title":{"rendered":"Y\u00eau c\u1ea7u v\u1ec1 ch\u1ed1ng ch\u00e1y n\u1ed5 v\u00e0 th\u00f4ng gi\u00f3 cho ph\u00f2ng l\u00f2 h\u01a1i gas"},"content":{"rendered":"

1 ph\u00f2ng m\u00e1y n\u1ed3i h\u01a1i gas thi\u1ebft k\u1ebf ch\u1ed1ng ch\u00e1y n\u1ed5<\/strong><\/strong><\/h2>\n\n\n\n

Ph\u00f2ng n\u1ed3i h\u01a1i d\u1ea7u, ph\u00f2ng n\u1ed3i h\u01a1i kh\u00ed, ph\u00f2ng \u0111i\u1ec1u ch\u1ec9nh kh\u00ed, ph\u00f2ng b\u01a1m nhi\u00ean li\u1ec7u, ph\u00f2ng chu\u1ea9n b\u1ecb than nghi\u1ec1n, ph\u00f2ng nghi\u1ec1n than v\u00e0 h\u00e0nh lang v\u1eadn chuy\u1ec3n than c\u00f3 c\u00e1c khu v\u1ef1c nguy hi\u1ec3m v\u1ec1 n\u1ed5 nh\u01b0 ph\u00e2n lo\u1ea1i, ph\u1ea3i tu\u00e2n th\u1ee7 c\u00e1c ti\u00eau chu\u1ea9n hi\u1ec7n h\u00e0nh c\u1ee7a Trung Qu\u1ed1c v\u00e0 Li\u00ean minh Ch\u00e2u \u00c2u, c\u1ee5 th\u1ec3 l\u00e0 c\u00e1c quy \u0111\u1ecbnh li\u00ean quan trong \u201cTi\u00eau chu\u1ea9n thi\u1ebft k\u1ebf l\u1eafp \u0111\u1eb7t \u0111i\u1ec7n trong m\u00f4i tr\u01b0\u1eddng nguy hi\u1ec3m v\u1ec1 n\u1ed5\u201d GB50058; ph\u00f2ng n\u1ed3i h\u01a1i kh\u00ed v\u00e0 ph\u00f2ng \u0111i\u1ec1u ch\u1ec9nh kh\u00ed thu\u1ed9c c\u00e1c khu v\u1ef1c nguy hi\u1ec3m v\u1ec1 n\u1ed5.<\/p>\n\n\n\n

\"\"<\/a><\/figure><\/div>\n\n\n\n

\u201cBi\u1ec3n b\u00e1o tho\u00e1t hi\u1ec3m kh\u1ea9n c\u1ea5p cho ph\u00f2ng l\u00f2 h\u01a1i gas\u201d g\u1ea7n khu v\u1ef1c c\u00f3 nguy c\u01a1 n\u1ed5 ho\u1eb7c tr\u00ean khu v\u1ef1c c\u00f3 nguy c\u01a1 n\u1ed5 ph\u1ea3i \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf theo lo\u1ea1i ch\u1ed1ng n\u1ed5.<\/p>\n\n\n\n

N\u1ebfu \u0111\u00e1p \u1ee9ng m\u1ed9t trong c\u00e1c \u0111i\u1ec1u ki\u1ec7n sau, khu v\u1ef1c c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ph\u00e2n lo\u1ea1i l\u00e0 khu v\u1ef1c kh\u00f4ng c\u00f3 nguy c\u01a1 n\u1ed5: 1, kh\u00f4ng c\u00f3 ngu\u1ed3n ph\u00e1t t\u00e1n v\u00e0 kh\u00f4ng c\u00f3 kh\u1ea3 n\u0103ng x\u00e2m nh\u1eadp c\u1ee7a c\u00e1c ch\u1ea5t d\u1ec5 ch\u00e1y v\u00e0o khu v\u1ef1c.<\/p>\n\n\n\n

2. N\u1ed3ng \u0111\u1ed9 t\u1ed1i \u0111a c\u1ee7a c\u00e1c ch\u1ea5t d\u1ec5 ch\u00e1y c\u00f3 th\u1ec3 xu\u1ea5t hi\u1ec7n kh\u00f4ng v\u01b0\u1ee3t qu\u00e1 10% gi\u00e1 tr\u1ecb gi\u1edbi h\u1ea1n n\u1ed5 d\u01b0\u1edbi.<\/p>\n\n\n\n

3, trong qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t s\u1eed d\u1ee5ng ng\u1ecdn l\u1eeda m\u1edf g\u1ea7n thi\u1ebft b\u1ecb, ho\u1eb7c c\u00e1c b\u1ed9 ph\u1eadn n\u00f3ng c\u1ee7a b\u1ec1 m\u1eb7t c\u00f3 nhi\u1ec7t \u0111\u1ed9 v\u01b0\u1ee3t qu\u00e1 nhi\u1ec7t \u0111\u1ed9 b\u1eaft l\u1eeda c\u1ee7a c\u00e1c ch\u1ea5t d\u1ec5 ch\u00e1y trong khu v\u1ef1c g\u1ea7n thi\u1ebft b\u1ecb;.<\/p>\n\n\n\n

4. Ngo\u00e0i khu v\u1ef1c nh\u00e0 m\u00e1y s\u1ea3n xu\u1ea5t, \u1edf khu v\u1ef1c ngo\u00e0i tr\u1eddi ho\u1eb7c \u0111\u01b0\u1ee3c b\u1ed1 tr\u00ed c\u00f4ng khai \u0111\u1ec3 v\u1eadn chuy\u1ec3n c\u00e1c ch\u1ea5t d\u1ec5 ch\u00e1y trong khu v\u1ef1c \u0111\u01b0\u1eddng \u1ed1ng tr\u00ean cao, nh\u01b0ng van c\u1ee7a n\u00f3 \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh tr\u00ean c\u01a1 s\u1edf t\u1eebng tr\u01b0\u1eddng h\u1ee3p c\u1ee5 th\u1ec3.<\/p>\n\n\n\n

D\u1ef1a tr\u00ean 3 y\u1ebfu t\u1ed1: ph\u00f2ng l\u00f2 h\u01a1i gas c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ph\u00e2n lo\u1ea1i v\u00e0o khu v\u1ef1c kh\u00f4ng c\u00f3 nguy c\u01a1 n\u1ed5.<\/p>\n\n\n\n

R\u00f2 r\u1ec9 kh\u00ed c\u00f3 th\u1ec3 x\u1ea3y ra khi n\u1ed3ng \u0111\u1ed9 v\u01b0\u1ee3t qu\u00e1 10% c\u1ee7a gi\u1edbi h\u1ea1n d\u01b0\u1edbi c\u1ee7a gi\u1edbi h\u1ea1n n\u1ed5. Khu v\u1ef1c g\u1ea7n tr\u1ea7n c\u1ee7a ph\u00f2ng l\u00f2 h\u01a1i l\u00e0 khu v\u1ef1c l\u01b0u tr\u1eef kh\u00ed t\u1ef1 nhi\u00ean. C\u00e1c thi\u1ebft b\u1ecb chi\u1ebfu s\u00e1ng v\u00e0 c\u00f4ng t\u1eafc ph\u1ea3i s\u1eed d\u1ee5ng lo\u1ea1i ch\u1ed1ng n\u1ed5.<\/p>\n\n\n\n

N\u1ed3ng \u0111\u1ed9 r\u00f2 r\u1ec9 kh\u00ed d\u1ec5 ch\u00e1y v\u01b0\u1ee3t qu\u00e1 25% c\u1ee7a gi\u1edbi h\u1ea1n d\u01b0\u1edbi c\u1ee7a gi\u1edbi h\u1ea1n n\u1ed5, h\u1ec7 th\u1ed1ng b\u00e1o \u0111\u1ed9ng r\u00f2 r\u1ec9 kh\u00ed s\u1ebd ph\u00e1t ra t\u00edn hi\u1ec7u b\u00e1o \u0111\u1ed9ng \u00e2m thanh v\u00e0 h\u00ecnh \u1ea3nh, \u0111\u1ed3ng th\u1eddi k\u00edch ho\u1ea1t qu\u1ea1t th\u00f4ng gi\u00f3 kh\u1ea9n c\u1ea5p. Khi n\u1ed3ng \u0111\u1ed9 r\u00f2 r\u1ec9 \u0111\u1ea1t 50% so v\u1edbi gi\u1edbi h\u1ea1n d\u01b0\u1edbi c\u1ee7a gi\u1edbi h\u1ea1n n\u1ed5, h\u1ec7 th\u1ed1ng s\u1ebd ngay l\u1eadp t\u1ee9c ng\u1eaft ngu\u1ed3n kh\u00ed t\u1ef1 nhi\u00ean v\u00e0o \u1ed1ng d\u1eabn kh\u00ed ch\u00ednh th\u00f4ng qua van solenoid t\u1ed5ng, \u0111\u1ed3ng th\u1eddi t\u1eaft c\u00e1c thi\u1ebft b\u1ecb chi\u1ebfu s\u00e1ng v\u00e0 c\u00f4ng t\u1eafc g\u1ea7n m\u00e1i nh\u00e0 trong ph\u00f2ng l\u00f2 h\u01a1i. Qu\u1ea1t th\u00f4ng gi\u00f3 kh\u1ea9n c\u1ea5p \u0111\u01b0\u1ee3c l\u1ef1a ch\u1ecdn lo\u1ea1i ch\u1ed1ng n\u1ed5.<\/p>\n\n\n\n

Ph\u00f2ng l\u00f2 h\u01a1i gas, ngo\u00e0i b\u1ed9 \u0111i\u1ec1u ch\u1ec9nh gas, thu\u1ed9c khu v\u1ef1c c\u00f3 nguy c\u01a1 n\u1ed5 v\u00e0 thi\u1ebft k\u1ebf ch\u1ed1ng n\u1ed5 \u0111i\u1ec7n ph\u1ea3i tu\u00e2n th\u1ee7 c\u00e1c quy \u0111\u1ecbnh v\u1ec1 n\u1ed5. Ph\u00f2ng l\u00f2 h\u01a1i gas, ph\u00f2ng \u0111i\u1ec1u khi\u1ec3n li\u1ec1n k\u1ec1 v\u00e0 c\u00e1c ph\u00f2ng ph\u1ee5 tr\u1ee3 kh\u00e1c, c\u00f9ng v\u1edbi thi\u1ebft k\u1ebf \u0111i\u1ec7n, ph\u1ea3i tu\u00e2n th\u1ee7 thi\u1ebft k\u1ebf m\u00f4i tr\u01b0\u1eddng khu v\u1ef1c kh\u00f4ng c\u00f3 nguy c\u01a1 n\u1ed5.<\/p>\n\n\n\n

2 bi\u1ec7n ph\u00e1p an to\u00e0n kh\u00ed \u0111\u1ed1t trong ph\u00f2ng l\u00f2 h\u01a1i<\/strong><\/strong><\/h2>\n\n\n\n

Thi\u1ebft b\u1ecb b\u00e1o \u0111\u1ed9ng n\u1ed3ng \u0111\u1ed9 kh\u00ed trong ph\u00f2ng l\u00f2 h\u01a1i c\u1ee7a \u0111\u01b0\u1eddng \u1ed1ng kh\u00ed \u0111\u1ed1t ngo\u00e0i tr\u1eddi n\u00ean \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t t\u1ea1i v\u1ecb tr\u00ed an to\u00e0n v\u00e0 d\u1ec5 v\u1eadn h\u00e0nh, k\u1ebft n\u1ed1i v\u1edbi van ng\u1eaft kh\u1ea9n c\u1ea5p. Van n\u00e0y n\u00ean \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t sau \u0111\u1ed3ng h\u1ed3 \u0111o \u00e1p su\u1ea5t kh\u00ed.<\/p>\n\n\n\n

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

\u0110\u01b0\u1eddng \u1ed1ng d\u1eabn kh\u00ed ph\u1ea3i \u0111\u01b0\u1ee3c trang b\u1ecb \u1ed1ng x\u1ea3, c\u1ed5ng l\u1ea5y m\u1eabu v\u00e0 c\u1ed5ng x\u1ea3 \u00e1p, v\u00e0 ph\u1ea3i tu\u00e2n th\u1ee7 c\u00e1c quy \u0111\u1ecbnh sau \u0111\u00e2y.<\/p>\n\n\n\n

1. V\u1ecb tr\u00ed c\u1ee7a n\u00f3 ph\u1ea3i c\u00f3 kh\u1ea3 n\u0103ng l\u1eafp \u0111\u1eb7t \u1ed1ng d\u1eabn v\u00e0 ph\u1ee5 ki\u1ec7n trong h\u1ec7 th\u1ed1ng th\u1ed5i kh\u00ed ho\u1eb7c th\u1ed5i kh\u00f4ng kh\u00ed.<\/p>\n\n\n\n

2. \u1ed0ng ph\u00e2n ph\u1ed1i c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c k\u1ebft h\u1ee3p th\u00e0nh \u1ed1ng ch\u00ednh d\u1eabn ra ngo\u00e0i tr\u1eddi. L\u1ed7 tho\u00e1t kh\u00ed ph\u1ea3i cao h\u01a1n \u0111\u1ec9nh c\u1ee7a ph\u00f2ng l\u00f2 h\u01a1i \u00edt nh\u1ea5t 2 m\u00e9t v\u00e0 ph\u1ea3i \u0111\u01b0\u1ee3c b\u1ed1 tr\u00ed sao cho kh\u00ed kh\u00f4ng tr\u00e0n v\u00e0o c\u00e1c t\u00f2a nh\u00e0 l\u00e2n c\u1eadn v\u00e0 kh\u00f4ng b\u1ecb h\u00fat v\u00e0o c\u00e1c thi\u1ebft b\u1ecb th\u00f4ng gi\u00f3.<\/p>\n\n\n\n

3. Kh\u00ed c\u00f3 m\u1eadt \u0111\u1ed9 ph\u00e2n t\u00e1n cao h\u01a1n kh\u00f4ng kh\u00ed n\u00ean \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong h\u1ec7 th\u1ed1ng x\u1ea3 kh\u00ed ho\u1eb7c h\u1ec7 th\u1ed1ng x\u1ea3 l\u1eeda, v\u00e0 ph\u1ea3i \u0111\u00e1p \u1ee9ng y\u00eau c\u1ea7u v\u1ec1 t\u1ea7n su\u1ea5t t\u1ed1i thi\u1ec3u c\u1ee7a khu v\u1ef1c an to\u00e0n v\u00e0 b\u1ea3o v\u1ec7 m\u00f4i tr\u01b0\u1eddng ph\u00eda tr\u00ean gi\u00f3; khi nh\u00e0 m\u00e1y c\u00f3 h\u1ec7 th\u1ed1ng x\u1ea3 l\u1eeda, n\u00ean x\u1ea3 kh\u00ed v\u00e0o h\u1ec7 th\u1ed1ng \u0111\u00f3.<\/p>\n\n\n\n

13.3.5 \u0110\u01b0\u1eddng k\u00ednh \u1ed1ng x\u1ea3 kh\u00ed n\u00ean \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh d\u1ef1a tr\u00ean th\u1ec3 t\u00edch c\u1ee7a \u0111o\u1ea1n th\u1ed5i v\u00e0 th\u1eddi gian th\u1ed5i; th\u1ec3 t\u00edch th\u1ed5i c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u00ednh to\u00e1n d\u1ef1a tr\u00ean \u0111o\u1ea1n th\u1ed5i c\u00f3 th\u1ec3 t\u00edch t\u1eeb 10 \u0111\u1ebfn 20 l\u1ea7n th\u1ec3 t\u00edch c\u1ee7a th\u1eddi gian th\u1ed5i, c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng cho 15 \u0111\u1ebfn 20 ph\u00fat; kh\u00ed th\u1ed5i c\u00f3 th\u1ec3 l\u00e0 nit\u01a1 ho\u1eb7c c\u00e1c kh\u00ed tr\u01a1 kh\u00e1c.<\/p>\n\n\n\n

13.3.6 H\u1ec7 th\u1ed1ng \u1ed1ng d\u1eabn kh\u00ed c\u1ee7a ph\u00f2ng l\u00f2 h\u01a1i kh\u00f4ng \u0111\u01b0\u1ee3c \u0111i qua c\u00e1c kho ch\u1ee9a ch\u1ea5t d\u1ec5 ch\u00e1y ho\u1eb7c n\u1ed5, ph\u00f2ng tr\u1ef1c, ph\u00f2ng ph\u00e2n ph\u1ed1i v\u00e0 tr\u1ea1m bi\u1ebfn \u00e1p, h\u1ea7m c\u00e1p (h\u1ed1 c\u00e1p), h\u1ed1 thang m\u00e1y, h\u00e0o th\u00f4ng gi\u00f3, \u1ed1ng d\u1eabn, \u1ed1ng kh\u00f3i v\u00e0 c\u00e1c khu v\u1ef1c c\u00f3 t\u00ednh \u0103n m\u00f2n c\u1ee7a c\u00f4ng tr\u00ecnh.<\/p>\n\n\n\n

13.3.7 M\u1ed7i \u1ed1ng d\u1eabn kh\u00ed c\u1ee7a l\u00f2 h\u01a1i ph\u1ea3i \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 b\u1edfi ho\u1ea1t \u0111\u1ed9ng \u0111\u00e1ng tin c\u1eady c\u1ee7a nh\u00f3m van kh\u00ed, nh\u00f3m van tr\u01b0\u1edbc \u00e1p su\u1ea5t c\u1ea5p kh\u00ed v\u00e0 th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt c\u1ee7a nh\u00f3m van ph\u1ea3i \u0111\u00e1p \u1ee9ng y\u00eau c\u1ea7u t\u1ea3i t\u1ed1i \u0111a c\u1ee7a b\u1ed9 \u0111\u1ed1t; th\u00e0nh ph\u1ea7n c\u01a1 b\u1ea3n v\u00e0 th\u1ee9 t\u1ef1 c\u1ee7a nh\u00f3m van ph\u1ea3i bao g\u1ed3m van c\u1eaft, \u0111\u1ed3ng h\u1ed3 \u00e1p su\u1ea5t, b\u1ed9 l\u1ecdc, van \u0111i\u1ec1u ch\u1ec9nh \u00e1p su\u1ea5t, b\u00ecnh ch\u1ee9a g\u1ee3n s\u00f3ng, van solenoid hai c\u1ea5p ho\u1eb7c k\u1ebft h\u1ee3p \u0111\u1ec3 ph\u00e1t hi\u1ec7n r\u00f2 r\u1ec9, c\u00f4ng t\u1eafc \u00e1p su\u1ea5t tr\u01b0\u1edbc v\u00e0 sau van, v\u00e0 van b\u01b0\u1edbm \u0111i\u1ec1u khi\u1ec3n l\u01b0u l\u01b0\u1ee3ng; vi\u1ec7c \u0111\u00e1nh l\u1eeda \u0111\u01b0\u1eddng \u1ed1ng kh\u00ed n\u00ean \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n t\u1eeb b\u1ed9 \u0111\u1ed1t tr\u01b0\u1edbc \u1ed1ng d\u1eabn kh\u00ed ch\u00ednh c\u1ee7a b\u1ed9 \u0111\u1ed1t, tr\u01b0\u1edbc \u1ed1ng d\u1eabn kh\u00ed 2 ho\u1eb7c van solenoid ph\u00e1t hi\u1ec7n r\u00f2 r\u1ec9 k\u1ebft h\u1ee3p tr\u01b0\u1edbc \u1ed1ng d\u1eabn, v\u00e0 ph\u1ea3i \u0111\u01b0\u1ee3c trang b\u1ecb van \u0111\u00f3ng c\u1eaft v\u00e0 2 van solenoid \u1edf c\u1ea5p \u0111\u1ed9 \u0111\u00f3.<\/p>\n\n\n\n

13.3.8 Van kh\u00f3a kh\u00ed l\u00f2 h\u01a1i tr\u01b0\u1edbc van kh\u00f3a kh\u00ed c\u1ea5p ph\u1ea3i \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh theo y\u00eau c\u1ea7u c\u1ee7a b\u1ed9 \u0111\u1ed1t v\u00e0 \u0111\u01b0\u1ee3c c\u00e0i \u0111\u1eb7t trong kho\u1ea3ng 5kPa ~ 20kPa. Ch\u1ea5t l\u01b0\u1ee3ng l\u01b0u l\u01b0\u1ee3ng kh\u00ed c\u1ea5p qua van ph\u1ea3i \u0111\u1ea3m b\u1ea3o l\u00f2 h\u01a1i ho\u1ea1t \u0111\u1ed9ng \u1edf c\u00f4ng su\u1ea5t \u0111\u1ecbnh m\u1ee9c v\u00e0 s\u1ef1 \u1ed5n \u0111\u1ecbnh ch\u00e1y c\u1ee7a b\u1ed9 \u0111\u1ed1t.<\/p>\n\n\n\n

13.3.11 \u0110\u01b0\u1eddng \u1ed1ng d\u1eabn kh\u00ed \u0111i qua s\u00e0n nh\u00e0 theo chi\u1ec1u d\u1ecdc n\u00ean \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t trong c\u00e1c gi\u1ebfng \u1ed1ng \u0111\u1ed9c l\u1eadp v\u00e0 n\u00ean \u0111\u01b0\u1ee3c \u0111\u1eb7t s\u00e1t t\u01b0\u1eddng ngo\u00e0i; qua c\u00e1c gi\u1ebfng \u1ed1ng tr\u00ean s\u00e0n nh\u00e0, m\u1ed7i 2 ho\u1eb7c 3 t\u1ea7ng n\u00ean \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t kh\u00f4ng \u00edt h\u01a1n gi\u1edbi h\u1ea1n ch\u1ed1ng ch\u00e1y c\u1ee7a v\u00e1ch ng\u0103n ch\u1ed1ng ch\u00e1y; ph\u1ea7n d\u01b0\u1edbi c\u1ee7a hai v\u00e1ch ng\u0103n ch\u1ed1ng ch\u00e1y li\u1ec1n k\u1ec1 n\u00ean \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t c\u1eeda ch\u1ed1ng ch\u00e1y lo\u1ea1i C; Ph\u1ea7n d\u01b0\u1edbi c\u1ee7a c\u1eeda ch\u1ed1ng ch\u00e1y tr\u00ean t\u1ea7ng tr\u1ec7t c\u1ee7a h\u1ed1 \u1ed1ng d\u1eabn kh\u00ed n\u00ean \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t v\u1edbi c\u1eeda ch\u1eb7n l\u1eeda \u0111i\u1ec1u khi\u1ec3n b\u1eb1ng \u0111i\u1ec7n v\u00e0 c\u1eeda th\u00f4ng gi\u00f3 h\u00fat kh\u00ed; h\u1ed1 \u1ed1ng d\u1eabn kh\u00ed n\u00ean \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t \u1edf ph\u1ea7n tr\u00ean c\u1ee7a c\u1eeda th\u00f4ng gi\u00f3 kh\u00ed quy\u1ec3n; h\u1ed1 \u1ed1ng d\u1eabn kh\u00ed n\u00ean s\u1eed d\u1ee5ng th\u00f4ng gi\u00f3 t\u1ef1 nhi\u00ean.<\/p>\n\n\n\n

13.3.12 C\u00e1c \u1ed1ng d\u1eabn kh\u00ed trong gi\u1ebfng \u1ed1ng kh\u00f4ng \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t tr\u00ean van.<\/p>\n\n\n\n

13.3.13 H\u1ec7 th\u1ed1ng \u1ed1ng d\u1eabn kh\u00ed v\u00e0 ph\u1ee5 ki\u1ec7n tuy\u1ec7t \u0111\u1ed1i kh\u00f4ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng c\u00e1c b\u1ed9 ph\u1eadn b\u1eb1ng gang; trong khu v\u1ef1c ch\u00e1y, van ph\u1ea3i c\u00f3 t\u00ednh n\u0103ng ch\u1ed1ng ch\u00e1y.<\/p>\n\n\n\n

H\u1ec7 th\u1ed1ng th\u00f4ng gi\u00f3 kh\u1ea9n c\u1ea5p 3<\/strong><\/strong><\/h2>\n\n\n\n

C\u00e1c ph\u00f2ng m\u00e1y n\u1ed3i h\u01a1i d\u1ea7u, kh\u00ed \u0111\u1ed1t \u0111\u01b0\u1ee3c \u0111\u1eb7t trong c\u00e1c t\u00f2a nh\u00e0 kh\u00e1c ph\u1ea3i \u0111\u01b0\u1ee3c trang b\u1ecb h\u1ec7 th\u1ed1ng c\u1ea5p kh\u00ed v\u00e0 tho\u00e1t kh\u00ed \u0111\u1ed9c l\u1eadp. Thi\u1ebft b\u1ecb th\u00f4ng gi\u00f3 ph\u1ea3i c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u00e1y n\u1ed5 v\u00e0 ph\u1ea3i tu\u00e2n th\u1ee7 c\u00e1c quy \u0111\u1ecbnh sau \u0111\u00e2y.<\/p>\n\n\n\n

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

1. Khi s\u1eed d\u1ee5ng kh\u00ed \u0111\u1ed1t l\u00e0m nhi\u00ean li\u1ec7u, l\u01b0u l\u01b0\u1ee3ng th\u00f4ng gi\u00f3 b\u00ecnh th\u01b0\u1eddng kh\u00f4ng \u0111\u01b0\u1ee3c \u00edt h\u01a1n 6 l\u1ea7n m\u1ed7i gi\u1edd, v\u00e0 s\u1ed1 l\u1ea7n th\u00f4ng gi\u00f3 kh\u1ea9n c\u1ea5p kh\u00f4ng \u0111\u01b0\u1ee3c \u00edt h\u01a1n 12 l\u1ea7n m\u1ed7i gi\u1edd.<\/p>\n\n\n\n

2. Ph\u00f2ng l\u00f2 h\u01a1i \u0111\u01b0\u1ee3c b\u1ed1 tr\u00ed \u1edf t\u1ea7ng h\u1ea7m b\u00e1n h\u1ea7m ho\u1eb7c t\u1ea7ng h\u1ea7m, l\u01b0u l\u01b0\u1ee3ng th\u00f4ng gi\u00f3 b\u00ecnh th\u01b0\u1eddng kh\u00f4ng \u0111\u01b0\u1ee3c \u00edt h\u01a1n 6 l\u1ea7n m\u1ed7i gi\u1edd, s\u1ed1 l\u1ea7n th\u00f4ng gi\u00f3 kh\u1ea9n c\u1ea5p kh\u00f4ng \u0111\u01b0\u1ee3c \u00edt h\u01a1n 12 l\u1ea7n m\u1ed7i gi\u1edd.<\/p>\n\n\n\n

3. Ph\u00f2ng l\u00f2 h\u01a1i \u0111\u01b0\u1ee3c \u0111\u1eb7t \u1edf t\u1ea7ng h\u1ea7m ho\u1eb7c t\u1ea7ng d\u01b0\u1edbi, s\u1ed1 l\u1ea7n thay \u0111\u1ed5i kh\u00f4ng kh\u00ed m\u1ed7i gi\u1edd kh\u00f4ng \u0111\u01b0\u1ee3c \u00edt h\u01a1n 12 l\u1ea7n.<\/p>\n\n\n\n

4. L\u01b0\u1ee3ng kh\u00f4ng kh\u00ed t\u01b0\u01a1i \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o ph\u00f2ng l\u00f2 h\u01a1i m\u1ed7i gi\u1edd ph\u1ea3i l\u1edbn h\u01a1n g\u1ea5p 3 l\u1ea7n l\u01b0\u1ee3ng kh\u00f4ng kh\u00ed \u0111\u01b0\u1ee3c thay \u0111\u1ed5i trong ph\u00f2ng l\u00f2 h\u01a1i.<\/p>\n\n\n\n

5. L\u01b0\u1ee3ng kh\u00f4ng kh\u00ed t\u01b0\u01a1i \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o ph\u00f2ng \u0111i\u1ec1u khi\u1ec3n ph\u1ea3i \u0111\u01b0\u1ee3c t\u00ednh to\u00e1n d\u1ef1a tr\u00ean s\u1ed1 l\u01b0\u1ee3ng nh\u00e2n vi\u00ean tr\u1ef1c ca t\u1ed1i \u0111a.<\/p>\n\n\n\n

15.3.8 Ph\u00f2ng \u0111i\u1ec1u ch\u1ec9nh kh\u00ed v\u00e0 c\u00e1c ph\u00f2ng kh\u00e1c c\u00f3 nguy c\u01a1 n\u1ed5, ph\u1ea3i \u0111\u1ea3m b\u1ea3o l\u01b0u l\u01b0\u1ee3ng kh\u00f4ng kh\u00ed t\u1ed1i thi\u1ec3u 6 l\u1ea7n\/gi\u1edd; khi th\u00f4ng gi\u00f3 t\u1ef1 nhi\u00ean kh\u00f4ng \u0111\u00e1p \u1ee9ng y\u00eau c\u1ea7u, ph\u1ea3i l\u1eafp \u0111\u1eb7t thi\u1ebft b\u1ecb th\u00f4ng gi\u00f3 c\u01a1 kh\u00ed v\u00e0 \u0111\u1ea3m b\u1ea3o l\u01b0u l\u01b0\u1ee3ng kh\u00f4ng kh\u00ed t\u1ed1i thi\u1ec3u 12 l\u1ea7n\/gi\u1edd cho thi\u1ebft b\u1ecb th\u00f4ng gi\u00f3 kh\u1ea9n c\u1ea5p; thi\u1ebft b\u1ecb th\u00f4ng gi\u00f3 ph\u1ea3i c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng n\u1ed5.<\/p>\n\n\n\n

15.3.10 V\u1ecb tr\u00ed l\u1ed7 h\u00fat c\u1ee7a ph\u00f2ng th\u00f4ng gi\u00f3 c\u01a1 kh\u00ed ph\u1ea3i \u0111\u01b0\u1ee3c b\u1ed1 tr\u00ed theo c\u00e1c quy \u0111\u1ecbnh sau \u0111\u00e2y.<\/p>\n\n\n\n

1. Khi t\u1ef7 tr\u1ecdng t\u01b0\u01a1ng \u0111\u1ed1i c\u1ee7a kh\u00ed ho\u1eb7c d\u1ea7u nh\u1ecf h\u01a1n ho\u1eb7c b\u1eb1ng 0,75, v\u1ecb tr\u00ed c\u1ee7a c\u1eeda h\u00fat n\u00ean \u0111\u01b0\u1ee3c \u0111\u1eb7t \u1edf khu v\u1ef1c tr\u00ean cao. Kho\u1ea3ng c\u00e1ch t\u1eeb c\u1eeda h\u00fat \u1edf m\u00e9p m\u1eb7t ph\u1eb3ng \u0111\u1ebfn tr\u1ea7n nh\u00e0 ho\u1eb7c m\u00e1i nh\u00e0 kh\u00f4ng \u0111\u01b0\u1ee3c v\u01b0\u1ee3t qu\u00e1 0,1m.<\/p>\n\n\n\n

2 Khi t\u1ef7 tr\u1ecdng t\u01b0\u01a1ng \u0111\u1ed1i c\u1ee7a kh\u00ed ho\u1eb7c d\u1ea7u l\u1edbn h\u01a1n 0,75, v\u1ecb tr\u00ed c\u1eeda h\u00fat n\u00ean \u0111\u01b0\u1ee3c \u0111\u1eb7t \u1edf khu v\u1ef1c th\u1ea5p h\u01a1n. Kho\u1ea3ng c\u00e1ch t\u1eeb m\u00e9p c\u1eeda h\u00fat \u0111\u1ebfn s\u00e0n kh\u00f4ng \u0111\u01b0\u1ee3c v\u01b0\u1ee3t qu\u00e1 0,3m.<\/p>\n\n\n\n

Khi l\u01b0u l\u01b0\u1ee3ng kh\u00f4ng kh\u00ed c\u1ee7a h\u1ec7 th\u1ed1ng th\u00f4ng gi\u00f3 trong khu v\u1ef1c c\u00f3 nguy c\u01a1 n\u1ed5 c\u00f3 th\u1ec3 l\u00e0m cho v\u1eadt li\u1ec7u d\u1ec5 ch\u00e1y \u0111\u01b0\u1ee3c pha lo\u00e3ng nhanh ch\u00f3ng xu\u1ed1ng gi\u00e1 tr\u1ecb gi\u1edbi h\u1ea1n n\u1ed5 25% ho\u1eb7c th\u1ea5p h\u01a1n, c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c coi l\u00e0 khu v\u1ef1c th\u00f4ng gi\u00f3 t\u1ed1t v\u00e0 ph\u1ea3i tu\u00e2n th\u1ee7 c\u00e1c quy \u0111\u1ecbnh sau \u0111\u00e2y.<\/p>\n\n\n\n

1 C\u00e1c \u0111\u1ecba \u0111i\u1ec3m sau \u0111\u00e2y c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ch\u1ec9 \u0111\u1ecbnh l\u00e0 c\u00e1c khu v\u1ef1c th\u00f4ng tho\u00e1ng.<\/p>\n\n\n\n

1) C\u00e1c khu v\u1ef1c ngo\u00e0i tr\u1eddi.<\/p>\n\n\n\n

2) C\u00e1c c\u00f4ng tr\u00ecnh m\u1edf, bao g\u1ed3m c\u00e1c l\u1ed7 h\u1ed5ng tr\u00ean t\u01b0\u1eddng v\u00e0 m\u00e1i nh\u00e0, k\u00edch th\u01b0\u1edbc v\u00e0 v\u1ecb tr\u00ed c\u1ee7a ch\u00fang ph\u1ea3i \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf sao cho h\u1ec7 th\u1ed1ng th\u00f4ng gi\u00f3 b\u00ean trong c\u00f4ng tr\u00ecnh t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi hi\u1ec7u qu\u1ea3 c\u1ee7a kh\u00f4ng gian m\u1edf.<\/p>\n\n\n\n

3) C\u00e1c t\u00f2a nh\u00e0 kh\u00f4ng m\u1edf c\u1eeda nh\u01b0ng c\u00f3 c\u00e1c l\u1ed7 th\u00f4ng gi\u00f3 c\u1ed1 \u0111\u1ecbnh \u0111\u1ec3 th\u00f4ng gi\u00f3 t\u1ef1 nhi\u00ean.<\/p>\n\n\n\n

4) \u0110\u1ed1i v\u1edbi c\u00e1c khu v\u1ef1c k\u00edn, \u0111\u1ea3m b\u1ea3o cung c\u1ea5p \u00edt nh\u1ea5t 0,3m\u00b3 kh\u00f4ng kh\u00ed tr\u00ean m\u1ed7i m\u00e9t vu\u00f4ng di\u1ec7n t\u00edch s\u00e0n m\u1ed7i ph\u00fat ho\u1eb7c \u00edt nh\u1ea5t 1 l\u00edt kh\u00f4ng kh\u00ed \u0111\u01b0\u1ee3c thay \u0111\u1ed5i 6 l\u1ea7n.<\/p>\n\n\n\n

2 Khi s\u1eed d\u1ee5ng th\u00f4ng kh\u00ed c\u01a1 h\u1ecdc, t\u00e1c \u0111\u1ed9ng c\u1ee7a s\u1ef1 c\u1ed1 th\u00f4ng kh\u00ed c\u01a1 h\u1ecdc c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c lo\u1ea1i tr\u1eeb trong c\u00e1c tr\u01b0\u1eddng h\u1ee3p sau \u0111\u00e2y.<\/p>\n\n\n\n

1) C\u00e1c t\u00f2a nh\u00e0 \u0111\u00f3ng k\u00edn ho\u1eb7c b\u00e1n \u0111\u00f3ng k\u00edn \u0111\u01b0\u1ee3c trang b\u1ecb h\u1ec7 th\u1ed1ng th\u00f4ng gi\u00f3 d\u1ef1 ph\u00f2ng \u0111\u1ed9c l\u1eadp; v\u00e0<\/p>\n\n\n\n

2) Trong tr\u01b0\u1eddng h\u1ee3p thi\u1ebft b\u1ecb th\u00f4ng gi\u00f3 b\u1ecb h\u1ecfng, c\u00e1c bi\u1ec7n ph\u00e1p ph\u00f2ng ng\u1eeba \u0111\u1ec3 ng\u0103n ch\u1eb7n vi\u1ec7c ph\u00e1t t\u00e1n c\u00e1c ch\u1ea5t d\u1ec5 ch\u00e1y, ch\u1eb3ng h\u1ea1n nh\u01b0 h\u1ec7 th\u1ed1ng b\u00e1o \u0111\u1ed9ng t\u1ef1 \u0111\u1ed9ng ho\u1eb7c ng\u1eebng qu\u00e1 tr\u00ecnh, ho\u1eb7c c\u00e1c bi\u1ec7n ph\u00e1p ng\u1eaft k\u1ebft n\u1ed1i thi\u1ebft b\u1ecb, \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng.<\/p>","protected":false},"excerpt":{"rendered":"

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