{"id":29328,"date":"2025-07-23T04:11:47","date_gmt":"2025-07-23T04:11:47","guid":{"rendered":"https:\/\/stecvina.com\/?post_type=solution&p=29328"},"modified":"2025-09-06T05:57:00","modified_gmt":"2025-09-06T05:57:00","slug":"tcvn-7568-142025-chinh-thuc-thay-the-tcvn-7568-142015-va-tcvn-57382021-ky-su-thiet-ke-he-thong-bao-chay-can-luu-y-phan-3","status":"publish","type":"solution","link":"https:\/\/stecvina.com\/en\/solution\/new-tcvn-7568-14-2025-fire-alarm-design-guide-part-3\/","title":{"rendered":"TCVN 7568-14:2025 ch\u00ednh th\u1ee9c thay th\u1ebf TCVN 7568-14:2015 v\u00e0 TCVN 5738:2021 \u2013 K\u1ef9 s\u01b0 thi\u1ebft k\u1ebf h\u1ec7 th\u1ed1ng b\u00e1o ch\u00e1y c\u1ea7n l\u01b0u \u00fd ( Ph\u1ea7n 3)"},"content":{"rendered":"

Trong b\u00e0i vi\u1ebft tr\u01b0\u1edbc, S-TEC VINA \u0111\u00e3 tr\u00edch d\u1eabn \u0110i\u1ec1u 4 v\u00e0 \u0110i\u1ec1u 5 trong ti\u00eau chu\u1ea9n\u2026
Trong ph\u1ea7n 3 n\u00e0y, b\u00e0i vi\u1ebft s\u1ebd \u0111i s\u00e2u v\u00e0o c\u00e1c n\u1ed9i dung thi\u1ebft k\u1ebf th\u1ef1c t\u1ebf k\u1ef9 s\u01b0 c\u1ea7n \u0111\u1eb7c bi\u1ec7t l\u01b0u \u00fd.<\/p>\n\n\n\n

Tr\u00edch d\u1eabn m\u1ee5c 5 trong TCVN 7568-14:2025 H\u1ec6 TH\u1ed0NG B\u00c1O CH\u00c1Y – PH\u1ea6N 14: THI\u1ebeT K\u1ebe, L\u1eaeP \u0110\u1eb6T, V\u1eacN H\u00c0NH V\u00c0 B\u1ea2O D\u01af\u1ee0NG C\u00c1C H\u1ec6 TH\u1ed0NG B\u00c1O CH\u00c1Y TRONG NH\u00c0 V\u00c0 XUNG QUANH T\u00d2A NH\u00c0<\/em><\/p>\n\n\n\n

\"\"<\/figure>\n\n\n
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\"\"
H\u00ecnh 1<\/em> – TCVN 7568-14:2025<\/em><\/figcaption><\/figure>\n<\/div>\n\n\n

CH\u00da D\u1eaaN:<\/p>\n\n\n

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

Thi\u1ebft b\u1ecb ch\u1ec9 th\u1ecb cho gian ph\u00f2ng (ch\u1ec9 y\u00eau c\u1ea7u khi c\u00e1c c\u1eeda ra v\u00e0o gian ph\u00f2ng b\u1ecb kh\u00f3a)<\/p>\n\n\n

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

Thi\u1ebft b\u1ecb ch\u1ec9 th\u1ecb cho gian ph\u00f2ng<\/p>\n\n\n\n

(a) Nh\u00e0 c\u00f4ng nghi\u1ec7p<\/strong><\/p>\n\n\n\n

H\u00ecnh 1 – V\u00ed d\u1ee5 v\u1ec1 s\u1ef1 ph\u00e2n b\u1ed1 v\u00f9ng ph\u00e1t hi\u1ec7n ch\u00e1y cho c\u00e1c khu v\u1ef1c ti\u1ebfp gi\u00e1p v\u00e0 kh\u00f4ng ti\u1ebfp gi\u00e1p<\/strong><\/p>\n\n\n\n

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

CH\u00da D\u1eaaN:\u00a0<\/p>\n\n\n

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

\u00a0Thi\u1ebft b\u1ecb ch\u1ec9 th\u1ecb cho gian ph\u00f2ng khi l\u1ed1i v\u00e0o gian ph\u00f2ng b\u1ecb h\u1ea1n ch\u1ebf.<\/p>\n\n\n\n

(b) V\u0103n ph\u00f2ng, th\u01b0\u01a1ng m\u1ea1i, d\u1ecbch v\u1ee5 v\u00e0 nh\u00e0 c\u00f3 c\u00f4ng n\u0103ng t\u01b0\u01a1ng t\u1ef1<\/strong><\/p>\n\n\n\n

H\u00ecnh 1 – V\u00ed d\u1ee5 v\u1ec1 s\u1ef1 ph\u00e2n b\u1ed1 v\u00f9ng ph\u00e1t hi\u1ec7n ch\u00e1y cho c\u00e1c khu v\u1ef1c ti\u1ebfp gi\u00e1p v\u00e0 kh\u00f4ng ti\u1ebfp gi\u00e1p<\/strong> (k\u1ebft th\u00fac)<\/p>\n\n\n\n

5.7.2.2<\/strong>  Cho ph\u00e9p d\u00f9ng chung v\u00f9ng ph\u00e1t hi\u1ec7n ch\u00e1y \u0111\u1ed1i v\u1edbi khu v\u1ef1c c\u00f3 t\u1ea7ng l\u1eedng, khi t\u1ea7ng l\u1eedng n\u00e0y c\u00f3 th\u1ec3 ti\u1ebfp c\u1eadn \u0111\u01b0\u1ee3c t\u1eeb s\u00e0n chung.<\/p>\n\n\n\n

5.7.2.3<\/strong>  C\u00e1c \u0111\u1ea7u b\u00e1o ch\u00e1y b\u1ea3o v\u1ec7 trong c\u00e1c kh\u00f4ng gian b\u1ecb che k\u00edn c\u00f3 t\u1ed5ng di\u1ec7n t\u00edch kh\u1ed1ng v\u01b0\u1ee3t qu\u00e1 500 m2<\/sup> cho ph\u00e9p k\u1ebft n\u1ed1i v\u00e0o v\u00f9ng ph\u00e1t hi\u1ec7n ch\u00e1y tr\u00ean c\u00f9ng m\u1ed9t s\u00e0n v\u1edbi \u0111i\u1ec1u ki\u1ec7n l\u00e0 t\u1ed5ng s\u1ed1 c\u00e1c \u0111\u1ea7u b\u00e1o ch\u00e1y kh\u00f4ng v\u01b0\u1ee3t qu\u00e1 40.<\/p>\n\n\n\n

5.7.2.4<\/strong>  C\u00e1c v\u00f9ng ph\u00e1t hi\u1ec7n ch\u00e1y c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c chia nh\u1ecf ra sao cho c\u00e1c t\u00edn hi\u1ec7u t\u1eeb c\u00e1c \u0111\u1ea7u b\u00e1o ch\u00e1y ri\u00eang bi\u1ec7t ho\u1eb7c nh\u00f3m c\u00e1c \u0111\u1ea7u b\u00e1o ch\u00e1y c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ch\u1ec9 th\u1ecb t\u1ea1i t\u1ee7 trung t\u00e2m b\u00e1o ch\u00e1y, nh\u01b0 v\u1eady c\u00f3 th\u1ec3 cung c\u1ea5p th\u00f4ng tin chi ti\u1ebft v\u1ec1 v\u1ecb tr\u00ed ph\u00e1t hi\u1ec7n ch\u00e1y.<\/p>\n\n\n\n

5.7.2.5<\/strong>  M\u1ed9t v\u00f9ng ph\u00e1t hi\u1ec7n ch\u00e1y ch\u1ec9 cho ph\u00e9p thu\u1ed9c m\u1ed9t v\u00f9ng b\u00e1o \u0111\u1ed9ng ch\u00e1y.<\/p>\n\n\n\n

Ch\u00fa th\u00edch: nhi\u1ec1u v\u00f9ng ph\u00e1t hi\u1ec7n ch\u00e1y c\u00f3 th\u1ec3 chung m\u1ed9t v\u00f9ng b\u00e1o \u0111\u1ed9ng ch\u00e1y nh\u01b0ng m\u1ed9t v\u00f9ng ph\u00e1t hi\u1ec7n ch\u00e1y kh\u00f4ng chia th\u00e0nh nhi\u1ec1u v\u00f9ng b\u00e1o \u0111\u1ed9ng ch\u00e1y.<\/p>\n\n\n\n

5.8  V\u1ecb tr\u00ed c\u1ee7a \u0111\u1ea7u b\u00e1o ch\u00e1y<\/strong><\/p>\n\n\n\n

5.8.1  Quy \u0111\u1ecbnh chung<\/strong><\/p>\n\n\n\n

V\u1ecb tr\u00ed l\u1eafp \u0111\u1eb7t v\u00e0 kho\u1ea3ng c\u00e1ch gi\u1eefa c\u00e1c \u0111\u1ea7u b\u00e1o ch\u00e1y d\u1ef1a tr\u00ean \u0111\u1eb7c \u0111i\u1ec3m ki\u1ebfn tr\u00fac v\u00e0 nguy c\u01a1 ph\u00e1t sinh ch\u00e1y bao g\u1ed3m:<\/p>\n\n\n\n

– Chi\u1ec1u cao \u0111\u1ebfn tr\u1ea7n;<\/p>\n\n\n\n

– C\u1ea5u tr\u00fac c\u1ee7a tr\u1ea7n;<\/p>\n\n\n\n

– H\u00e0ng h\u00f3a;<\/p>\n\n\n\n

– S\u1ef1 hi\u1ec7n di\u1ec7n c\u1ee7a con ng\u01b0\u1eddi;<\/p>\n\n\n\n

– C\u00f4ng n\u0103ng.<\/p>\n\n\n\n

5.8.2  Y\u00eau c\u1ea7u v\u1ecb tr\u00ed l\u1eafp<\/strong> <\/strong><\/a>\u0111\u1eb7t \u0111\u1ea7u b\u00e1o ch\u00e1y<\/strong><\/p>\n\n\n\n

5.8.2.1  Quy \u0111\u1ecbnh chung<\/strong><\/p>\n\n\n\n

5.8.2.1.1<\/strong>  Khi x\u00e1c \u0111\u1ecbnh v\u1ecb tr\u00ed l\u1eafp \u0111\u1eb7t c\u1ee7a c\u00e1c \u0111\u1ea7u b\u00e1o ch\u00e1y tham kh\u1ea3o Ph\u1ee5 l\u1ee5c A v\u00e0 ph\u1ea3i b\u1ea3o \u0111\u1ea3m c\u00e1c y\u00eau c\u1ea7u:<\/p>\n\n\n\n

a. C\u00e1c khu v\u1ef1c ph\u00f2ng ng\u1ee7 ph\u1ea3i l\u1eafp \u0111\u1eb7t \u0111\u1ea7u b\u00e1o ch\u00e1y kh\u00f3i quang \u0111i\u1ec7n ho\u1eb7c kh\u00f3i quang h\u1ecdc ho\u1eb7c \u0111\u1ea7u b\u00e1o ch\u00e1y CO.<\/p>\n\n\n\n

b. C\u00e1c khu v\u1ef1c nh\u01b0 h\u00e0nh lang, \u0111\u01b0\u1eddng, l\u1ed1i \u0111i, l\u1ed1i ra tho\u00e1t n\u1ea1n ho\u1eb7c c\u00e1c khu v\u1ef1c t\u01b0\u01a1ng t\u1ef1 kh\u00e1c ph\u1ea3i l\u1eafp \u0111\u1eb7t \u0111\u1ea7u b\u00e1o ch\u00e1y kh\u00f3i quang \u0111i\u1ec7n ho\u1eb7c kh\u00f3i tia chi\u1ebfu.<\/p>\n\n\n\n

c. Khi m\u1ed9t khu v\u1ef1c \u0111\u01b0\u1ee3c chia th\u00e0nh nhi\u1ec1u ph\u1ea7n b\u1edfi t\u01b0\u1eddng, v\u00e1ch ng\u0103n ho\u1eb7c c\u00e1c gi\u00e1 k\u1ec7 h\u00e0ng c\u00e1ch tr\u1ea7n (ho\u1eb7c m\u1eb7t d\u01b0\u1edbi c\u1ee7a d\u1ea7m ngang) kh\u00f4ng qu\u00e1 0,3 m th\u00ec m\u1ed7i khu v\u1ef1c n\u00e0y \u0111\u01b0\u1ee3c coi nh\u01b0 ph\u00f2ng ri\u00eang bi\u1ec7t v\u00e0 ph\u1ea3i \u0111\u01b0\u1ee3c trang b\u1ecb \u0111\u1ea7u b\u00e1o ch\u00e1y \u0111\u1ea3m b\u1ea3o theo quy \u0111\u1ecbnh.<\/p>\n\n\n\n

d. Duy tr\u00ec kho\u1ea3ng tr\u1ed1ng xung quanh \u0111\u1ea7u b\u00e1o ch\u00e1y c\u00f3 b\u00e1n k\u00ednh t\u1ed1i thi\u1ec3u l\u00e0 0,1 m v\u00e0 \u0111\u1ed9 s\u00e2u 0,6 m.<\/p>\n\n\n\n

CH\u00da TH\u00cdCH: \u0110\u1ed1i v\u1edbi c\u00e1c khu v\u1ef1c c\u00f3 thi\u1ebft b\u1ecb \u0111i\u1ec7n chi\u1ebfu s\u00e1ng ho\u1eb7c c\u00e1c thi\u1ebft b\u1ecb kh\u00e1c l\u1eafp \u0111\u1eb7t tr\u00ean tr\u1ea7n, n\u1ebfu kh\u00f4ng th\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 s\u00e2u 0,6 m, c\u1ea7n \u01b0u ti\u00ean \u0111\u1ea3m b\u1ea3o b\u00e1n k\u00ednh t\u1ed1i thi\u1ec3u 0,1 m xung quanh \u0111\u1ea7u b\u00e1o ch\u00e1y. Trong tr\u01b0\u1eddng h\u1ee3p n\u00e0y, c\u1ea7n b\u1ed1 tr\u00ed v\u1ecb tr\u00ed l\u1eafp \u0111\u1eb7t \u0111\u1ea7u b\u00e1o ch\u00e1y sao cho h\u1ea1n ch\u1ebf t\u1ed1i \u0111a s\u1ef1 che ch\u1eafn c\u1ee7a thi\u1ebft b\u1ecb chi\u00eau s\u00e1ng ho\u1eb7c thi\u1ebft b\u1ecb kh\u00e1c \u0111\u1ed1i v\u1edbi kh\u1ea3 n\u0103ng ph\u00e1t hi\u1ec7n kh\u00f3i\/nhi\u1ec7t c\u1ee7a \u0111\u1ea7u b\u00e1o.<\/p>\n\n\n\n

e. \u0110\u00e8n ch\u1ec9 th\u1ecb c\u1ee7a \u0111\u1ea7u b\u00e1o ch\u00e1y ph\u1ea3i quan s\u00e1t \u0111\u01b0\u1ee3c t\u1eeb c\u00e1c l\u1ed1i \u0111i.<\/p>\n\n\n\n

5.8.2.1.2<\/strong>  Khi l\u1eafp \u0111\u1eb7t c\u00e1c \u0111\u1ea7u b\u00e1o ch\u00e1y c\u00f3 trang b\u1ecb nhi\u1ec1u h\u01a1n m\u1ed9t c\u1ea3m bi\u1ebfn v\u00e0 \u0111\u1ea7u b\u00e1o ch\u00e1y \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ec9nh c\u00e0i \u0111\u1eb7t v\u1edbi m\u1ed9t c\u1ea3m bi\u1ebfn th\u00ec ph\u1ea3i \u00e1p d\u1ee5ng c\u00e1c y\u00eau c\u1ea7u v\u1ec1 l\u1eafp \u0111\u1eb7t cho b\u1ed9 ph\u1eadn c\u1ea3m bi\u1ebfn \u0111\u01b0\u1ee3c c\u00e0i \u0111\u1eb7t.<\/p>\n\n\n\n

5.8.2.2<\/strong> <\/strong><\/a> C\u00e1c \u0111\u01b0\u1eddng d\u1eabn k\u00edn<\/strong><\/p>\n\n\n\n

C\u00e1p \u0111\u01b0\u1eddng d\u1eabn k\u00edn kh\u00f4ng \u0111\u01b0\u1ee3c ng\u0103n ch\u00e1y ph\u1ee5c v\u1ee5 di chuy\u1ec3n gi\u1eefa c\u00e1c t\u00f2a nh\u00e0 ho\u1eb7c c\u00e1c ph\u1ea7n c\u1ee7a t\u00f2a nh\u00e0 ph\u1ea3i \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t c\u00e1c \u0111\u1ea7u b\u00e1o ch\u00e1y (xem 5.8.2.8).<\/p>\n\n\n\n

5.8.2.3  H\u1ec7 th\u1ed1ng x\u1eed l\u00fd kh\u00f4ng kh\u00ed<\/strong><\/p>\n\n\n\n

5.8.2.3.1<\/strong>  Ph\u1ea3i s\u1eed d\u1ee5ng \u0111\u1ea7u b\u00e1o ch\u00e1y kh\u00f3i [xem TCVN 7568-22 (ISO 7240-22)] \u0111\u1ec3 gi\u00e1m s\u00e1t kh\u00f4ng kh\u00ed trong c\u00e1c \u0111\u01b0\u1eddng \u1ed1ng d\u1eabn.<\/p>\n\n\n\n

5.8.2.3.2<\/strong>  Trong c\u00e1c h\u1ec7 th\u1ed1ng x\u1eed l\u00fd kh\u00f4ng khi, c\u00e1c \u0111\u1ea7u b\u00e1o ch\u00e1y ph\u1ea3i \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t \u1edf c\u00e1c v\u1ecb tr\u00ed sau:<\/p>\n\n\n\n

a) Nh\u00e0 v\u00e0 c\u00f4ng tr\u00ecnh c\u00f3 s\u1eed d\u1ee5ng h\u1ec7 th\u1ed1ng c\u1ea5p kh\u00f4ng kh\u00ed tu\u1ea7n ho\u00e0n ph\u1ee5c v\u1ee5 cho nhi\u1ec1u h\u01a1n m\u1ed9t khu v\u1ef1c k\u00edn, n\u1ebfu khu v\u1ef1c k\u00edn \u0111\u00f3 kh\u00f4ng \u0111\u01b0\u1ee3c trang b\u1ecb \u0111\u1ea7u b\u00e1o ch\u00e1y kh\u00f3i th\u00ec ph\u1ea3i l\u1eafp \u0111\u1eb7t c\u00e1c \u0111\u1ea7u b\u00e1o ch\u00e1y kh\u00f3i li\u1ec1n k\u1ec1 v\u1edbi c\u1eeda v\u00e0o c\u1ee7a \u0111\u01b0\u1eddng \u1ed1ng h\u00fat ho\u1eb7c s\u1eed d\u1ee5ng c\u00e1c \u0111\u1ea7u b\u00e1o ch\u00e1y kh\u00f3i cho \u0111\u01b0\u1eddng \u1ed1ng l\u1ea5y m\u1eabu kh\u00f4ng kh\u00ed chung.<\/p>\n\n\n\n

Ch\u00fa th\u00edch: c\u00f3 th\u1ec3 l\u1eafp \u0111\u1eb7t ri\u00eang t\u1eebng mi\u1ec7ng h\u00fat ho\u1eb7c chung t\u1ea1i \u1ed1ng g\u00f3p \u0111\u1ed1i v\u1edbi \u0111\u01b0\u1eddng \u1ed1ng h\u00fat nhi\u1ec1u gian ph\u00f2ng.<\/p>\n\n\n\n

b) C\u00e1c qu\u1ea1t \u0111\u1eb7t b\u00ean trong nh\u00e0 d\u00f9ng \u0111\u1ec3 cung c\u1ea5p kh\u00f4ng kh\u00ed cho nhi\u1ec1u h\u01a1n m\u1ed9t t\u1ea7ng nh\u00e0 \u0111\u1eb7t b\u00ean trong nh\u00e0 v\u00e0 c\u00f4ng tr\u00ecnh c\u1ea7n l\u1eafp \u0111\u1eb7t \u0111\u1ea7u b\u00e1o ch\u00e1y \u1edf v\u1ecb tr\u00ed g\u1ea7n qu\u1ea1t \u0111\u1ec3 ph\u00e1t hi\u1ec7n kh\u00f3i \u1edf l\u1ed1i v\u00e0o qu\u1ea1t h\u00fat.<\/p>\n\n\n\n

CH\u00da TH\u00cdCH: D\u1ef1a tr\u00ean t\u00edn hi\u1ec7u b\u00e1o ch\u00e1y c\u1ee7a \u0111\u1ea7u b\u00e1o ng\u1eaft thi\u1ebft b\u1ecb x\u1eed l\u00fd kh\u00f4ng kh\u00ed nh\u1eb1m ng\u0103n ch\u1eb7n s\u1ef1 lan truy\u1ec1n c\u1ee7a kh\u00f3i b\u00ean trong nh\u00e0 v\u00e0 c\u00f4ng tr\u00ecnh.<\/p>\n\n\n\n

c) C\u00e1c \u0111\u01b0\u1eddng \u1ed1ng h\u00fat – c\u00e1c \u0111\u01b0\u1eddng \u1ed1ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 h\u00fat m\u00f9i khu v\u1ef1c b\u1ebfp, c\u00e1c h\u01a1i d\u1ec5 ch\u00e1y, v\u1eadt li\u1ec7u d\u1ea1ng x\u01a1 v\u00e0 c\u00e1c v\u1eadt li\u1ec7u t\u01b0\u01a1ng t\u1ef1 kh\u00e1c ph\u1ea3i l\u1eafp \u0111\u1eb7t t\u1ed1i thi\u1ec3u m\u1ed9t \u0111\u1ea7u b\u00e1o ch\u00e1y \u1edf \u0111i\u1ec3m xa nh\u1ea5t c\u1ee7a \u0111\u01b0\u1eddng \u1ed1ng x\u1ea3.<\/p>\n\n\n\n

CH\u00da TH\u00cdCH: C\u00e1c \u0111\u1ea7u b\u00e1o ch\u00e1y d\u00f9ng cho khu v\u1ef1c n\u00e0y c\u1ea7n \u0111\u01b0\u1ee3c l\u1ef1a ch\u1ecdn \u0111\u1ea3m b\u1ea3o \u0111i\u1ec1u ki\u1ec7n m\u00f4i tr\u01b0\u1eddng \u0111\u1ec3 gi\u1ea3m t\u00edn hi\u1ec7u b\u00e1o ch\u00e1y gi\u1ea3 n\u00ean l\u1ef1a ch\u1ecdn s\u1eed d\u1ee5ng \u0111\u1ea7u b\u00e1o ch\u00e1y nhi\u1ec7t.<\/p>\n\n\n\n

5.8.2.3.3<\/strong>  C\u00e1c \u0111\u00e8n ch\u1ec9 th\u1ecb c\u1ee7a c\u00e1c \u0111\u1ea7u b\u00e1o ch\u00e1y kh\u00f3i l\u1eafp \u0111\u1eb7t trong h\u1ec7 th\u1ed1ng x\u1eed l\u00fd kh\u00f4ng kh\u00ed ph\u1ea3i \u0111\u01b0\u1ee3c nh\u00ecn th\u1ea5y, tr\u01b0\u1eddng h\u1ee3p kh\u00f4ng nh\u00ecn th\u1ea5y ph\u1ea3i l\u1eafp \u0111\u1eb7t c\u00e1c \u0111\u00e8n ch\u1ec9 th\u1ecb t\u1eeb xa v\u1ec1 tr\u1ea1ng th\u00e1i ho\u1ea1t \u0111\u1ed9ng c\u1ee7a c\u00e1c \u0111\u1ea7u b\u00e1o (xem 5.8.2.4.3).<\/p>\n\n\n\n

5.8.2.4<\/strong> <\/strong><\/a> Kh\u00f4ng gian b\u1ecb che k\u00edn<\/strong><\/p>\n\n\n\n

5.8.2.4.1<\/strong>  Quy \u0111\u1ecbnh chung<\/p>\n\n\n\n

C\u00e1c \u0111\u1ea7u b\u00e1o ch\u00e1y ph\u1ea3i \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t \u1edf c\u00e1c khu v\u1ef1c b\u1ecb che k\u00edn. Ph\u1ea3i c\u00f3 l\u1ed1i v\u00e0o \u0111\u1ec3 b\u1ea3o d\u01b0\u1ee1ng c\u00e1c \u0111\u1ea7u b\u00e1o ch\u00e1y \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t trong c\u00e1c khu v\u1ef1c b\u1ecb che k\u00edn. K\u00edch th\u01b0\u1edbc c\u1ee7a l\u1ed1i v\u00e0o kh\u00f4ng \u0111\u01b0\u1ee3c nh\u1ecf h\u01a1n 0,450 m x 0,350 m.<\/p>\n\n\n\n

5.8.2.4.2<\/strong>  Thi\u1ebft b\u1ecb \u0111i\u1ec7n<\/p>\n\n\n\n

– Khu v\u1ef1c b\u1ecb che k\u00edn ch\u1ee9a h\u1ec7 th\u1ed1ng \u0111i\u1ec7n chi\u1ebfu s\u00e1ng ho\u1eb7c thi\u1ebft b\u1ecb \u0111i\u1ec7n d\u00f9ng \u0111\u1ec3 c\u1ea5p ngu\u1ed3n \u0111\u01b0\u1ee3c \u0111\u1eb7t ho\u00e0n to\u00e0n v\u00e0o b\u00ean trong khu v\u1ef1c b\u1ecb che k\u00edn v\u00e0 \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i v\u1edbi ngu\u1ed3n \u0111i\u1ec7n v\u01b0\u1ee3t qu\u00e1 \u0111i\u1ec7n \u00e1p c\u1ef1c th\u1ea5p th\u00ec ph\u1ea3i l\u1eafp \u0111\u1eb7t \u0111\u1ea7u b\u00e1o ch\u00e1y tr\u00ean tr\u1ea7n c\u1ee7a kh\u00f4ng gian b\u1ecb che k\u00edn \u0111\u1ea3m b\u1ea3o kho\u1ea3ng c\u00e1ch t\u1ed1i \u0111a theo ph\u01b0\u01a1ng ngang t\u1eeb thi\u1ebft b\u1ecb \u0111i\u1ec7n \u0111\u1ebfn \u0111\u1ea7u b\u00e1o ch\u00e1y kh\u00f4ng qu\u00e1 1,5 m. Trong tr\u01b0\u1eddng h\u1ee3p b\u1ec7 m\u1eb7t l\u1eafp \u0111\u1eb7t \u0111\u1ea7u b\u00e1o ch\u00e1y l\u00e0 d\u1ea1ng m\u1eb7t nghi\u00eang (d\u1ed1c) th\u00ec \u0111\u1ea7u b\u00e1o ch\u00e1y l\u1eafp \u0111\u1eb7t \u1edf v\u1ecb tr\u00ed c\u00f3 chi\u1ec1u cao l\u1edbn h\u01a1n.<\/p>\n\n\n\n

– \u0110\u1ed1i v\u1edbi thi\u1ebft b\u1ecb \u0111i\u1ec7n chi\u1ebfu s\u00e1ng c\u00f3 c\u00f4ng su\u1ea5t danh \u0111\u1ecbnh kh\u00f4ng v\u01b0\u1ee3t qu\u00e1 100 W, thi\u1ebft b\u1ecb cung c\u1ea5p n\u0103ng l\u01b0\u1ee3ng d\u1ea1ng c\u00f3 th\u1ec3 th\u00e1o r\u1eddi c\u00f3 c\u00f4ng su\u1ea5t danh \u0111\u1ecbnh d\u01b0\u1edbi 100 W ho\u1eb7c c\u00e1c thi\u1ebft b\u1ecb kh\u00e1c c\u00f3 c\u00f4ng su\u1ea5t danh \u0111\u1ecbnh d\u01b0\u1edbi 500 W kh\u00f4ng ph\u1ea3i trang b\u1ecb h\u1ec7 th\u1ed1ng b\u00e1o ch\u00e1y (thi\u1ebft b\u1ecb \u0111i\u1ec7n kh\u00f4ng \u0111\u1eb7t trong c\u00e1c khu v\u1ef1c k\u00edn).<\/p>\n\n\n\n

CH\u00da TH\u00cdCH 1: \u0110\u01b0\u1eddng d\u00e2y \u0111i\u1ec7n, m\u00e1ng c\u00e1p c\u1ee7a thi\u1ebft b\u1ecb chi\u1ebfu s\u00e1ng l\u00e0 v\u1eadt li\u1ec7u kh\u00f4ng ch\u00e1y th\u00ec kh\u00f4ng \u0111\u01b0\u1ee3c xem l\u00e0 thi\u1ebft b\u1ecb \u0111i\u1ec7n.<\/p>\n\n\n\n

CH\u00da TH\u00cdCH 2: \u0110\u1ea7u b\u00e1o ch\u00e1y \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 b\u1ea3o v\u1ec7 thi\u1ebft b\u1ecb \u0111i\u1ec7n kh\u00f4ng y\u00eau c\u1ea7u ph\u1ea3i b\u1ea3o v\u1ec7 kh\u00f4ng gian b\u1ecb che k\u00edn.<\/p>\n\n\n\n

5.8.2.4.3  <\/strong>Thi\u1ebft b\u1ecb ch\u1ec9 th\u1ecb cho \u0111\u1ea7u b\u00e1o ch\u00e1y<\/p>\n\n\n\n

a) Khi \u0111\u00e8n ch\u1ec9 th\u1ecb c\u1ee7a \u0111\u1ea7u b\u00e1o ch\u00e1y kh\u00f4ng nh\u00ecn th\u1ea5y \u0111\u01b0\u1ee3c \u1edf khu v\u1ef1c th\u01b0\u1eddng xuy\u00ean c\u00f3 ng\u01b0\u1eddi, ph\u1ea3i s\u1eed d\u1ee5ng c\u00e1c thi\u1ebft b\u1ecb ch\u1ec9 th\u1ecb t\u1eeb xa \u0111\u1ec3 hi\u1ec3n th\u1ecb tr\u1ea1ng th\u00e1i b\u00e1o ch\u00e1y ngo\u1ea1i tr\u1eeb quy \u0111\u1ecbnh t\u1ea1i 5.8.2.4.3 e.<\/p>\n\n\n\n

b) C\u00e1c thi\u1ebft b\u1ecb ch\u1ec9 th\u1ecb t\u1eeb xa d\u00f9ng cho c\u00e1c ph\u00f2ng, c\u00e1c t\u1ee7 ho\u1eb7c c\u00e1c khu v\u1ef1c t\u01b0\u01a1ng t\u1ef1 ph\u1ea3i \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t li\u1ec1n k\u1ec1 v\u1edbi c\u1eeda ra v\u00e0o \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c v\u1ecb tr\u00ed \u0111\u1ea7u b\u00e1o ch\u00e1y.<\/p>\n\n\n\n

c) C\u00e1c thi\u1ebft b\u1ecb ch\u1ec9 th\u1ecb t\u1eeb xa cho kh\u00f4ng gian k\u00edn ph\u1ea3i \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t \u1edf khu v\u1ef1c c\u00f3 th\u1ec3 ti\u1ebfp c\u1eadn \u0111\u01b0\u1ee3c.<\/p>\n\n\n\n

d) Cho ph\u00e9p s\u1eed d\u1ee5ng m\u1ed9t \u0111\u00e8n ch\u1ec9 th\u1ecb t\u1eeb xa \u0111\u1ec3 ch\u1ec9 th\u1ecb cho nhi\u1ec1u \u0111\u1ea7u b\u00e1o ho\u1eb7c nhi\u1ec1u mi\u1ec7ng h\u00fat c\u1ee7a c\u00f9ng m\u1ed9t \u0111\u1ea7u b\u00e1o ch\u00e1y kh\u1ecfi ki\u1ec3u h\u00fat khi c\u00e1c thi\u1ebft b\u1ecb n\u00e0y l\u1eafp \u0111\u1eb7t chung cho c\u00f9ng m\u1ed9t ph\u00f2ng, m\u1ed9t c\u0103n h\u1ed9.<\/p>\n\n\n\n

e) Kh\u00f4ng y\u00eau c\u1ea7u l\u1eafp \u0111\u1eb7t \u0111\u00e8n ch\u1ec9 th\u1ecb t\u1eeb xa khi:<\/p>\n\n\n\n

– V\u1ecb tr\u00ed c\u1ee7a \u0111\u1ea7u b\u00e1o ch\u00e1y hi\u1ec3n th\u1ecb t\u1ea1i t\u1ee7 trung t\u00e2m b\u00e1o ch\u00e1y, ho\u1eb7c<\/p>\n\n\n\n

– Kh\u00f4ng gian b\u1ecb che k\u00edn c\u00f3 th\u1ec3 ti\u1ebfp c\u1eadn \u0111\u01b0\u1ee3c v\u00e0 c\u00f3 chi\u1ec1u cao l\u1edbn h\u01a1n 2 m, con ng\u01b0\u1eddi c\u00f3 th\u1ec3 \u0111i l\u1ea1i \u0111\u01b0\u1ee3c, ho\u1eb7c \u1edf b\u00ean d\u01b0\u1edbi v\u1eadt li\u1ec7u l\u00e0m s\u00e0n th\u00e1o ra \u0111\u01b0\u1ee3c (nh\u01b0 v\u1eadt li\u1ec7u l\u00e0m s\u00e0n m\u00e1y t\u00ednh).<\/p>\n\n\n\n

f) \u0110\u1ed1i v\u1edbi \u0111\u1ea7u b\u00e1o ch\u00e1y kh\u00f4ng d\u00e2y (\u0111\u1ea7u b\u00e1o ch\u00e1y v\u00f4 tuy\u1ebfn v\u00e0 \u0111\u1ea7u b\u00e1o ch\u00e1y \u0111\u1ed9c l\u1eadp) ngo\u00e0i \u0111\u00e8n ch\u1ec9 th\u1ecb khi t\u00e1c \u0111\u1ed9ng ph\u1ea3i c\u00f3 t\u00edn hi\u1ec7u b\u00e1o v\u1ec1 t\u00ecnh tr\u1ea1ng c\u1ee7a ngu\u1ed3n c\u1ea5p.<\/p>\n\n\n\n

5.8.2.5  T<\/strong>\u1ee7<\/strong><\/p>\n\n\n\n

5.8.2.5.1<\/strong>  T\u1ee7 c\u00f3 th\u1ec3 t\u00edch l\u1edbn h\u01a1n 3 m3<\/sup> ph\u1ea3i \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t c\u00e1c \u0111\u1ea7u b\u00e1o ch\u00e1y. C\u00e1c t\u1ee7 \u0111\u01b0\u1ee3c chia nh\u1ecf b\u1edfi c\u00e1c v\u00e1ch ng\u0103n ho\u1eb7c gi\u00e1 t\u1ea1o th\u00e0nh c\u00e1c khu v\u1ef1c c\u00f3 th\u1ec3 t\u00edch nh\u1ecf h\u01a1n 3 m3 <\/sup>kh\u00f4ng y\u00eau c\u1ea7u ph\u1ea3i l\u1eafp \u0111\u1eb7t \u0111\u1ea7u b\u00e1o ch\u00e1y.<\/p>\n\n\n\n

5.8.2.5.2<\/strong>  T\u1ee7 v\u1edbi th\u1ec3 t\u00edch tr\u00ean 1 m3<\/sup> ch\u1ee9a thi\u1ebft b\u1ecb \u0111i\u1ec7n ho\u1eb7c \u0111i\u1ec7n t\u1eed c\u00f3 \u0111i\u1ec7n \u00e1p l\u1edbn h\u01a1n \u0111i\u1ec7n \u00e1p c\u1ef1c th\u1ea5p ph\u1ea3i l\u1eafp \u0111\u1eb7t \u0111\u1ea7u b\u00e1o ch\u00e1y (kh\u00f4ng \u00e1p d\u1ee5ng c\u00e1c y\u00eau c\u1ea7u c\u1ee7a 5.8.2.1.1 e).<\/p>\n\n\n\n

5.8.2.6  B\u1ec1 m\u1eb7t trung gian n\u1eb1m ngang<\/strong><\/p>\n\n\n\n

5.8.2.6.1<\/strong>  Ph\u1ea3i l\u1eafp \u0111\u1eb7t \u0111\u1ea7u b\u00e1o ch\u00e1y \u1edf d\u01b0\u1edbi c\u1ee7a c\u00e1c b\u1ec1 m\u1eb7t trung gian n\u1eb1m ngang nh\u01b0 c\u00e1c \u0111\u01b0\u1eddng \u1ed1ng, s\u00e0n thao t\u00e1c, gi\u00e1 k\u1ec7 c\u00f3 chi\u1ec1u r\u1ed9ng l\u1edbn h\u01a1n 3,5 m v\u00e0 b\u1ec1 m\u1eb7t b\u00ean d\u01b0\u1edbi c\u1ee7a b\u1ec1 m\u1eb7t trung gian c\u00e1ch s\u00e0n l\u1edbn h\u01a1n 0,8 m.<\/p>\n\n\n\n

5.8.2.6.2<\/strong>  Khi kho\u1ea3ng c\u00e1ch t\u1eeb m\u1eb7t b\u00ean d\u01b0\u1edbi c\u1ee7a c\u00e1c b\u1ec1 m\u1eb7t trung gian \u0111\u1ebfn tr\u1ea7n nh\u1ecf h\u01a1n 0,8 m th\u00ec m\u1eb7t b\u00ean d\u01b0\u1edbi c\u1ee7a b\u1ec1 m\u1eb7t trung gian c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c xem l\u00e0 tr\u1ea7n v\u00e0 kh\u00f4ng y\u00eau c\u1ea7u ph\u1ea3i l\u1eafp \u0111\u1ea7u b\u00e1o ch\u00e1y ph\u00eda tr\u00ean b\u1ec1 m\u1eb7t trung gian.<\/p>\n\n\n\n

5.8.2.6.3<\/strong>  N\u1ebfu \u1ed1ng gi\u00f3 hay k\u1ebft c\u1ea5u c\u00e1ch t\u01b0\u1eddng ho\u1eb7c \u1ed1ng gi\u00f3 ho\u1eb7c k\u1ebft c\u1ea5u l\u1edbn h\u01a1n 0,8 m th\u00ec \u0111\u1ea7u b\u00e1o ph\u1ea3i l\u1eafp \u1edf v\u1ecb tr\u00ed tr\u00ean tr\u1ea7n nh\u00e0 (thu\u1eadn l\u1ee3i cho vi\u1ec7c l\u1eafp \u0111\u1eb7t, b\u1ea3o tr\u00ec b\u1ea3o d\u01b0\u1ee1ng).<\/p>\n\n\n\n

5.8.2.7  Tr\u1ea7n d\u1ea1ng l\u01b0\u1edbi h\u1edf<\/strong><\/p>\n\n\n\n

5.8.2.7.1<\/strong>  Khi s\u1eed d\u1ee5ng \u0111\u1ea7u b\u00e1o ch\u00e1y l\u1eeda th\u00ec ch\u00fang ph\u1ea3i \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t ph\u00eda tr\u00ean v\u00e0 ph\u00eda d\u01b0\u1edbi tr\u1ea7n d\u1ea1ng l\u01b0\u1edbi h\u1edf. Cho ph\u00e9p kh\u00f4ng l\u1eafp \u0111\u1eb7t \u0111\u1ea7u b\u00e1o ch\u00e1y ph\u00eda d\u01b0\u1edbi c\u00e1c tr\u1ea7n h\u1edf tu\u1ea7n ho\u00e0n khi t\u1ed5ng di\u1ec7n t\u00edch l\u1ed7 h\u1edf l\u1edbn h\u01a1n hai ph\u1ea7n ba di\u1ec7n t\u00edch tr\u1ea7n c\u1ee7a khu v\u1ef1c b\u1ea3o v\u1ec7, khi \u0111\u00e3 c\u00f3 \u0111\u1ea7u b\u00e1o ch\u00e1y \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t ph\u00eda tr\u00ean tr\u1ea7n h\u1edf.<\/p>\n\n\n\n

5.8.2.7.2<\/strong>  Khi m\u1ed9t ph\u1ea7n b\u1ea5t k\u1ef3 c\u1ee7a tr\u1ea7n kh\u00f4ng c\u00f3 l\u1ed7 h\u1edf nh\u00f4 xu\u1ed1ng v\u00e0 c\u00f3 k\u00edch th\u01b0\u1edbc t\u1ed1i thi\u1ec3u l\u1edbn h\u01a1n 3,5 m ph\u1ea3i \u00e1p d\u1ee5ng 5.8.2.6.<\/p>\n\n\n\n

5.8.2.7.3<\/strong>  Ph\u1ea3i l\u1eafp \u0111\u1eb7t \u0111\u1ea7u b\u00e1o ch\u00e1y b\u1ea3o v\u1ec7 cho ph\u1ea7n kh\u00f4ng gian ph\u00eda tr\u00ean tr\u1ea7n h\u1edf n\u1ebfu c\u00f3 y\u00eau c\u1ea7u quy \u0111\u1ecbnh t\u1ea1i ti\u00eau chu\u1ea9n n\u00e0y.<\/p>\n\n\n\n

5.8.2.8  Khu v\u1ef1c kh\u00f3 ti\u1ebfp c\u1eadn khi c\u00f3 ch\u00e1y<\/strong><\/p>\n\n\n\n

Khi \u0111\u1ea7u b\u00e1o ch\u00e1y \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t trong c\u00e1c khu v\u1ef1c kh\u00f3 ti\u1ebfp c\u1eadn khi c\u00f3 ch\u00e1y th\u00ec m\u1ed7i khu v\u1ef1c ph\u1ea3i \u0111\u01b0\u1ee3c ph\u00e2n chia th\u00e0nh c\u00e1c v\u00f9ng ph\u00e1t hi\u1ec7n ch\u00e1y ri\u00eang bi\u1ec7t v\u00e0 c\u00f3 \u0111\u00e8n ch\u1ec9 th\u1ecb t\u1eeb xa \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t b\u00ean ngo\u00e0i (xem H\u00ecnh 1).<\/p>\n\n\n\n

CH\u00da TH\u00cdCH: C\u00e1c v\u00ed d\u1ee5 khu v\u1ef1c kh\u00f3 ti\u1ebfp c\u1eadn bao g\u1ed3m c\u00e1c khu v\u1ef1c \u0111\u01b0\u1ee3c kh\u00f3a: c\u1eeda h\u00e0ng, m\u00e1i v\u00f2m, h\u00e0m ki\u00ean c\u1ed1, ph\u00f2ng k\u1ef9 thu\u1eadt thang m\u00e1y, ph\u00f2ng l\u1ea1nh, t\u1ee7 v\u00e0 c\u00e1c ph\u00f2ng t\u1ee7 \u0111i\u1ec7n.<\/p>\n\n\n\n

5.8.2.9  Ph\u1ea7n nh\u00e0 s\u1edf h\u1eefu ri\u00eang<\/strong><\/p>\n\n\n\n

5.8.2.9.1<\/strong>  T\u00edn hi\u1ec7u ch\u1ec9 th\u1ecb b\u00e1o \u0111\u1ed9ng cho ph\u1ea7n nh\u00e0 \u0111\u01b0\u1ee3c s\u1edf h\u1eefu ri\u00eang (c\u0103n h\u1ed9, shophouse…) c\u1ea7n \u0111\u01b0\u1ee3c ch\u1ec9 th\u1ecb:<\/p>\n\n\n\n

a. V\u1ecb tr\u00ed t\u1ea1i trung t\u00e2m b\u00e1o ch\u00e1y, ho\u1eb7c<\/p>\n\n\n\n

b. S\u1eed d\u1ee5ng chung v\u00f9ng ph\u00e1t hi\u1ec7n ch\u00e1y t\u1ea1i t\u1ee7 trung t\u00e2m b\u00e1o ch\u00e1y khi t\u1eebng khu v\u1ef1c s\u1edf h\u1eefu ri\u00eang \u0111\u1ecf l\u1eafp \u0111\u1eb7t \u0111\u00e8n ch\u1ec9 th\u1ecb t\u1eeb xa g\u1ea7n v\u1edbi l\u1ed1i v\u00e0o c\u1ee7a t\u1eebng khu v\u1ef1c s\u1edf h\u1eefu ri\u00eang.<\/p>\n\n\n\n

5.8.2.9.2<\/strong>  Khi ph\u1ea7n nh\u00e0 s\u1edf h\u1eefu ri\u00eang \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 ng\u1ee7 bao g\u1ed3m khu v\u1ef1c ph\u00f2ng ch\u00ednh v\u00e0 m\u1ed9t ph\u00f2ng t\u1eafm (kh\u00f4ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho c\u00e1c m\u1ee5c \u0111\u00ednh kh\u00e1c, v\u00ed d\u1ee5 gi\u1eb7t \u1ee7i) cho ph\u00e9p l\u1eafp \u0111\u1eb7t m\u1ed9t \u0111\u1ea7u b\u00e1o ch\u00e1y kh\u1ecfi ho\u1eb7c m\u1ed9t \u0111\u1ea7u b\u00e1o ch\u00e1y h\u1ed7n h\u1ee3p trong ph\u00f2ng ch\u00ednh v\u1edbi \u0111i\u1ec1u ki\u1ec7n l\u00e0 t\u1ed5ng di\u1ec7n t\u00edch c\u1ee7a to\u00e0n b\u1ed9 khu v\u1ef1c < 50 m2<\/sup>.<\/p>\n\n\n\n

5.8.2.10<\/strong>  Gian ph\u00f2ng di \u0111\u1ed9ng s\u1eed d\u1ee5ng l\u00e0m kho ho\u1eb7c v\u0103n ph\u00f2ng l\u00e0m vi\u1ec7c<\/p>\n\n\n\n

B\u1ea5t k\u1ef3 gian ph\u00f2ng k\u00edn c\u00f3 th\u1ec3 t\u00edch b\u00ean trong l\u1edbn h\u01a1n 10 m3<\/sup> \u0111\u01b0\u1ee3c ch\u1ebf t\u1ea1o c\u00f3 th\u1ec3 di chuy\u1ec3n \u0111\u01b0\u1ee3c, s\u1eed d\u1ee5ng l\u00e0m kho ho\u1eb7c v\u0103n ph\u00f2ng l\u00e0m vi\u1ec7c v\u00e0 \u0111\u01b0\u1ee3c \u0111\u1eb7t trong ph\u1ea1m vi c\u1ee7a nh\u00e0, c\u00f4ng tr\u00ecnh ph\u1ea3i \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7 nh\u01b0 m\u1ed9t ph\u1ea7n c\u1ee7a nh\u00e0, c\u00f4ng tr\u00ecnh.<\/p>\n\n\n\n

5.8.2.11  Y\u00eau c\u1ea7u b\u1ed5 sung cho \u0111\u1ea7u b\u00e1o ch\u00e1y l\u1eeda<\/strong><\/p>\n\n\n\n

5.8.2.11.1<\/strong>  \u0110\u1ea7u b\u00e1o ch\u00e1y l\u1eeda ph\u1ea3i \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t sao cho t\u1ea7m nh\u00ecn c\u1ee7a \u0111\u1ea7u b\u00e1o ch\u00e1y kh\u00f4ng b\u1ecb h\u1ea1n ch\u1ebf b\u1edfi c\u00e1c b\u1ed9 ph\u1eadn, c\u1ea5u tr\u00fac c\u1ee7a t\u00f2a nh\u00e0 ho\u1eb7c c\u00e1c v\u1eadt th\u1ec3 kh\u00e1c.<\/p>\n\n\n\n

5.8.2.11.2<\/strong>  Khi \u0111\u1ea7u b\u00e1o ch\u00e1y l\u1eeda \u0111\u01b0\u1ee3c \u0111\u1eb7t trong c\u00e1c m\u00f4i tr\u01b0\u1eddng c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn s\u1ef1 l\u1eafng \u0111\u1ecdng c\u1ee7a c\u00e1c h\u1ea1t tr\u00ean m\u1eb7t k\u00ednh c\u1ee7a b\u1ed9 ph\u1eadn c\u1ea3m bi\u1ebfn quang, ph\u1ea3i l\u1eafp c\u00e1c t\u1ea5m ch\u1eafn th\u00edch h\u1ee3p ho\u1eb7c thi\u1ebft b\u1ecb l\u00e0m s\u1ea1ch \u0111\u1ec3 b\u1ea3o \u0111\u1ea3m cho ph\u1ea1m vi \u0111\u1ed9 nh\u1ea1y c\u1ee7a \u0111\u1ea7u b\u00e1o ch\u00e1y \u0111\u01b0\u1ee3c duy tr\u00ec gi\u1eefa c\u00e1c chu k\u1ef3 b\u1ea3o d\u01b0\u1ee1ng.<\/p>\n\n\n\n

5.9  Y\u00eau c\u1ea7u kho\u1ea3ng c\u00e1ch gi\u1eefa c\u00e1c \u0111\u1ea7u b\u00e1o ch\u00e1y<\/strong><\/p>\n\n\n\n

5.9.1  \u0110\u1ea7u b\u00e1o ch\u00e1y kh\u00f3i v\u00e0 \u0111\u1ea7u b\u00e1o ch\u00e1y cacbon monoxit (CO)<\/strong><\/p>\n\n\n\n

5.9.1.1  \u0110\u1ea7u b\u00e1o ch\u00e1y ki\u1ec3u \u0111i\u1ec3m<\/strong><\/p>\n\n\n\n

5.9.1.1.1  Quy \u0111\u1ecbnh chung<\/strong><\/p>\n\n\n\n

\u0110\u1ed1i v\u1edbi khu v\u1ef1c c\u00f3 chi\u1ec1u cao tr\u1ea7n d\u01b0\u1edbi 4 m, kho\u1ea3ng c\u00e1ch t\u1eeb b\u1ed9 ph\u1eadn c\u1ea3m bi\u1ebfn c\u1ee7a c\u00e1c \u0111\u1ea7u b\u00e1o ch\u00e1y ki\u1ec3u \u0111i\u1ec3m \u0111\u1ebfn tr\u1ea7n t\u1eeb 0,025 m \u0111\u1ebfn 0,3 m. \u0110\u1ed1i v\u1edbi khu v\u1ef1c c\u00f3 chi\u1ec1u cao tr\u1ea7n t\u1eeb 4 m \u0111\u1ebfn 15 m, kho\u1ea3ng c\u00e1ch t\u1eeb b\u1ed9 ph\u1eadn c\u1ea3m bi\u1ebfn \u0111\u1ebfn tr\u1ea7n kh\u00f4ng qu\u00e1 0,6 m.<\/p>\n\n\n\n

CH\u00da TH\u00cdCH: \u0110\u1ed1i v\u1edbi khu v\u1ef1c c\u00f3 chi\u1ec1u cao tr\u1ea7n l\u1edbn h\u01a1n 15 m c\u00f3 th\u1ec3 tham kh\u1ea3o c\u00e1c lo\u1ea1i \u0111\u1ea7u b\u00e1o ch\u00e1y kh\u00e1c.<\/p>\n\n\n\n

5.9.1.1.2<\/strong>  Kho\u1ea3ng c\u00e1ch gi\u1eefa c\u00e1c \u0111\u1ea7u b\u00e1o ch\u00e1y tr\u00ean tr\u1ea7n ph\u1eb3ng<\/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

\"\"<\/figure>\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 tr\u1ea7n ph\u1eb3ng<\/strong><\/p>\n\n\n\n

5.9.1.1.3  Kho\u1ea3ng c\u00e1ch gi\u1eefa c\u00e1c \u0111\u1ea7u b\u00e1o ch\u00e1y l\u1eafp \u0111\u1eb7t tr\u00ean b\u1ec1 m\u1eb7t d\u1ed1c<\/strong><\/p>\n\n\n\n

C\u00e1c \u0111\u1ea7u b\u00e1o ch\u00e1y ph\u1ea3i \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t c\u00e1ch \u0111\u1ec9nh m\u00e1i m\u1ed9t kho\u1ea3ng gi\u1eefa 0,5 m v\u00e0 1,5 m (xem H\u00ecnh 6) v\u00e0 kho\u1ea3ng c\u00e1ch l\u1edbn nh\u1ea5t theo chi\u1ec1u d\u1ecdc gi\u1eefa c\u00e1c \u0111\u1ea7u b\u00e1o ch\u00e1y l\u00e0 10,2 m. C\u00e1c h\u00e0ng \u0111\u1ea7u b\u00e1o ch\u00e1y kh\u00f3i b\u00ean d\u01b0\u1edbi c\u00f3 kho\u1ea3ng c\u00e1ch kh\u00f4ng \u0111\u01b0\u1ee3c l\u1edbn h\u01a1n 10,2 m khi \u0111\u01b0\u1ee3c \u0111o theo chi\u1ec1u ngang t\u1eeb c\u00e1c h\u00e0ng \u0111\u1ea7u b\u00e1o ch\u00e1y kh\u00f3i li\u1ec1n k\u1ec1, t\u01b0\u1eddng ho\u1eb7c v\u00e1ch ng\u0103n ngo\u00e0i. Kho\u1ea3ng c\u00e1ch gi\u1eefa c\u00e1c \u0111\u1ea7u b\u00e1o ch\u00e1y trong c\u00e1c h\u00e0ng b\u00ean d\u01b0\u1edbi c\u00f3 th\u1ec3 k\u00e9o d\u00e0i t\u1edbi 20,4 m v\u1edbi \u0111i\u1ec1u ki\u1ec7n c\u00e1c \u0111\u1ea7u b\u00e1o ch\u00e1y tr\u00ean c\u00e1c h\u00e0ng li\u1ec1n k\u1ec1 \u0111\u01b0\u1ee3c b\u1ed1 tr\u00ed sole\/ xen k\u00ea nhau (xem H\u00ecnh 3).<\/p>\n\n\n\n

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

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

CH\u00da TH\u00cdCH 1: C\u00e1c h\u00e0ng xen k\u1ebd \u0111\u01b0\u1ee3c d\u1ecbch chuy\u1ec3n.<\/p>\n\n\n\n

CH\u00da TH\u00cdCH 2: Xem 5.9.1.1.7 v\u00e0 5.9.1.4<\/p>\n\n\n\n

CH\u00da TH\u00cdCH 3: C\u00e1c y\u00eau c\u1ea7u c\u1ee7a \u0111\u1ea7u b\u00e1o ch\u00e1y tr\u00ean \u0111\u1ec9nh m\u00e1i, xem 5.9.1.1.3 v\u00e0 H\u00ecnh 6.<\/p>\n\n\n\n

H\u00ecnh 3 – V\u00ed d\u1ee5 v\u1ec1 c\u00e1c v\u1ecb tr\u00ed c\u1ee7a \u0111\u1ea7u b\u00e1o ch\u00e1y kh\u00f3i ki\u1ec3u \u0111i\u1ec3m tr\u00ean c\u00e1c b\u1ec1 m\u1eb7t d\u1ed1c<\/strong><\/p>\n\n\n\n

5.9.1.1.4  Kho\u1ea3ng c\u00e1ch \u0111\u1ebfn t\u01b0\u1eddng, v\u00e1ch ng\u0103n l\u1ed7 m\u1edf c\u1ea5p kh\u00f4ng kh\u00ed<\/strong><\/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

5.9.1.1.5\u00a0\u00a0Khu v\u1ef1c c\u00f3 d\u00f2ng kh\u00f4ng kh\u00ed thay \u0111\u1ed5i\u00a0\u1edf\u00a0m\u1ee9c cao<\/strong><\/p>\n\n\n\n

\u0110\u1ed1i v\u1edbi khu v\u1ef1c c\u00f3 d\u00f2ng kh\u00f4ng kh\u00ed thay \u0111\u1ed5i \u1edf m\u1ee9c cao \u0111\u01b0\u1ee3c th\u00f4ng gi\u00f3 c\u01b0\u1ee1ng b\u1ee9c nh\u01b0 c\u00e1c ph\u00f2ng m\u00e1y t\u00ednh, ph\u00f2ng s\u1ea1ch th\u00ec kho\u1ea3ng c\u00e1ch c\u1ee7a c\u00e1c \u0111\u1ea7u b\u00e1o ch\u00e1y gi\u1ea3m xu\u1ed1ng ph\u1ea3i ph\u00f9 h\u1ee3p v\u1edbi B\u1ea3ng 1.<\/p>\n\n\n\n

B\u1ea3ng 1 – Kho\u1ea3ng c\u00e1ch gi\u1eefa c\u00e1c \u0111\u1ea7u b\u00e1o ch\u00e1y kh\u00f3i d\u1ef1a tr\u00ean m\u1ee9c thay \u0111\u1ed5i kh\u00f4ng kh\u00ed<\/strong><\/p>\n\n\n\n

B\u1ed9i s\u1ed1 trao \u0111\u1ed5i kh\u00ed tr\u00ean gi\u1edd<\/strong><\/td>Kho\u1ea3ng c\u00e1ch gi\u1eefa c\u00e1c \u0111\u1ea7u b\u00e1o ch\u00e1y, m<\/strong><\/td>Kho\u1ea3ng c\u00e1ch t\u1eeb \u0111\u1ea7u b\u00e1o ch\u00e1y \u0111\u1ebfn t\u01b0\u1eddng ho<\/strong>\u1eb7<\/strong>c v\u00e1ch ng\u0103n, m<\/strong><\/td><\/tr>
T\u1eeb 15 \u0111\u1ebfn d\u01b0\u1edbi 20<\/td>7,2<\/td>3,6<\/td><\/tr>
T\u1eeb 20 \u0111\u1ebfn d\u01b0\u1edbi 30<\/td>6,0<\/td>3,0<\/td><\/tr>
T\u1eeb 30 \u0111\u1ebfn d\u01b0\u1edbi 60<\/td>4,8<\/td>2,4<\/td><\/tr>
T\u1eeb 60 tr\u1edf l\u00ean<\/td>3,6<\/td>1,8<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

5.9.1.1.6  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><\/p>\n\n\n\n

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

CH\u00da D\u1eaaN: h – Chi\u1ec1u cao tr\u1ea7n (m); d – \u0110\u1ed9 s\u00e2u c\u1ee7a d\u1ea7m (m)<\/p>\n\n\n\n

H\u00ecnh 4 – Y\u00eau c\u1ea7u thi\u1ebft k\u1ebf cho c\u00e1c \u0111\u1ea7u b\u00e1o ch\u00e1y kh\u00f3i ki\u1ec3u \u0111i\u1ec3m v\u00e0 c\u00e1c h\u1ec7 th\u1ed1ng \u0111\u1ea7u b\u00e1o ch\u00e1y kh\u00f3i ki\u1ec3u h\u00fat trong c\u00e1c c\u1ea5u tr\u00fac nh\u00e0 c\u00f3 d\u1ea7m<\/strong><\/p>\n\n\n\n

5.9.1.1.7  Kho\u1ea3ng c\u00e1ch y\u00eau c\u1ea7u gi\u1eefa c\u00e1c \u0111\u1ea7u b\u00e1o ch\u00e1y trong<\/strong> <\/strong><\/a>kh\u00f4ng gian b\u1ecb che k\u00edn<\/strong><\/p>\n\n\n\n

Khi c\u00e1c \u0111\u1ea7u b\u00e1o ch\u00e1y \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u ph\u00f9 h\u1ee3p v\u1edbi 5.8.2.4, kho\u1ea3ng c\u00e1ch v\u00e0 v\u1ecb tr\u00ed ph\u1ea3i ph\u00f9 h\u1ee3p v\u1edbi 5.9.1.1.2 \u0111\u1ebfn 5.9.1.1.6, t\u00f9y thu\u1ed9c v\u00e0o c\u00e1c \u0111i\u1ec1u ki\u1ec7n sau:<\/p>\n\n\n\n

a) \u0110\u1ed1i v\u1edbi tr\u1ea7n ph\u1eb3ng c\u00f3 chi\u1ec1u cao t\u00ednh t\u1edbi m\u1eb7t tr\u00ean c\u1ee7a tr\u1ea7n v\u01b0\u1ee3t qu\u00e1 2 m, c\u00e1c \u0111\u1ea7u b\u00e1o ch\u00e1y ph\u1ea3i \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t ph\u00f9 h\u1ee3p quy \u0111\u1ecbnh 5.9.11.2 v\u00e0 5.9.1.1.4.<\/p>\n\n\n\n

b) \u0110\u1ed1i v\u1edbi tr\u1ea7n ph\u1eb3ng c\u00f3 chi\u1ec1u cao t\u00ednh t\u1edbi m\u1eb7t tr\u00ean c\u1ee7a tr\u1ea7n nh\u1ecf h\u01a1n 2 m v\u00e0 c\u00f3 c\u00e1c c\u1ea5u ki\u1ec7n b\u00ean d\u01b0\u1edbi nh\u01b0 d\u1ea7m, \u0111\u01b0\u1eddng \u1ed1ng c\u1ed1 chi\u1ec1u s\u00e2u kh\u00f4ng v\u01b0\u1ee3t qu\u00e1 0,3 m t\u00ednh t\u1eeb m\u1eb7t tr\u00ean c\u1ee7a tr\u1ea7n ph\u1eb3ng th\u00ec kho\u1ea3ng c\u00e1ch gi\u1eefa c\u00e1c \u0111\u1ea7u b\u00e1o ch\u00e1y kh\u00f4ng v\u01b0\u1ee3t qu\u00e1 15 m v\u00e0 kho\u1ea3ng c\u00e1ch t\u1eeb t\u01b0\u1eddng ho\u1eb7c v\u00e1ch ng\u0103n \u0111\u1ebfn \u0111\u1ea7u b\u00e1o ch\u00e1y g\u1ea7n nh\u1ea5t kh\u00f4ng \u0111\u01b0\u1ee3c v\u01b0\u1ee3t qu\u00e1 10,2 m. Khi c\u00e1c c\u1ea5u ki\u1ec7n b\u00ean d\u01b0\u1edbi c\u00f3 chi\u1ec1u s\u00e2u t\u00ednh t\u1eeb m\u1eb7t tr\u00ean c\u1ee7a tr\u1ea7n ph\u1eb3ng l\u1edbn h\u01a1n 0,3 m th\u00ec kho\u1ea3ng c\u00e1ch gi\u1eefa \u0111\u1ea7u b\u00e1o ch\u00e1y l\u1eafp \u0111\u1eb7t theo 5.9.1.1.6 b.<\/p>\n\n\n\n

c) V\u1edbi c\u00e1c nh\u00e0 m\u00e1i \u0111\u1ec9nh, \u0111\u1ea7u b\u00e1o ch\u00e1y th\u1ea5p nh\u1ea5t ph\u1ea3i \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t \u1edf v\u1ecb tr\u00ed kh\u00f4ng l\u1edbn h\u01a1n 10.2 m \u0111\u01b0\u1ee3c \u0111o theo ph\u01b0\u01a1ng n\u1eb1m ngang v\u1ec1 ph\u00eda \u0111\u1ec9nh (m\u00e1i) t\u00ednh t\u1eeb v\u1ecb tr\u00ed chi\u1ec1u cao gi\u1eefa c\u00e1c b\u1ec1 m\u1eb7t ph\u00eda tr\u00ean v\u00e0 ph\u00eda d\u01b0\u1edbi c\u1ee7a kh\u00f4ng gian l\u00e0 0,8 m (xem H\u00ecnh 3).<\/p>\n\n\n\n

5.9.1.2  \u0110\u1ea7u b\u00e1o ch\u00e1y kh\u00f3i ki\u1ec3u h\u00fat<\/strong><\/p>\n\n\n\n

5.9.1.2.1<\/strong>  Di\u1ec7n t\u00edch b\u1ea3o v\u1ec7 c\u1ee7a m\u1ed9t \u0111\u1ea7u b\u00e1o ch\u00e1y kh\u00f3i ki\u1ec3u h\u00fat kh\u00f4ng l\u1edbn h\u01a1n m\u1ed9t v\u00f9ng ph\u00e1t hi\u1ec7n ch\u00e1y (xem 5.7).<\/p>\n\n\n\n

a) \u0110\u1ea7u b\u00e1o ch\u00e1y kh\u1ed1i ki\u1ec3u h\u00fat l\u00e0m vi\u1ec7c ph\u1ee5 thu\u1ed9c v\u00e0o \u0111\u1ed9 nh\u1ea1y c\u1ee7a \u0111\u1ea7u b\u00e1o v\u00e0 \u0111\u01b0\u1ee3c chia th\u00e0nh ba lo\u1ea1i:<\/p>\n\n\n\n

– Lo\u1ea1i A – si\u00eau nh\u1ea1y (\u0111\u1ed9 che m\u1edd do kh\u00f3i d\u01b0\u1edbi 0,8 %\/m);<\/p>\n\n\n\n

– Lo\u1ea1i B – \u0111\u1ed9 nh\u1ea1y cao (\u0111\u1ed9 che m\u1edd do kh\u00f3i t\u1eeb 0,8 \u0111\u1ebfn d\u01b0\u1edbi 2,0 %\/m);<\/p>\n\n\n\n

– Lo\u1ea1i C – \u0111\u1ed9 nh\u1ea1y ti\u00eau chu\u1ea9n (\u0111\u1ed9 che m\u1edd do kh\u00f3i t\u1eeb 2,0 \u0111\u1ebfn 4,5 %\/m).<\/p>\n\n\n\n

b) Th\u1eddi gian l\u1ea5y m\u1eabu kh\u00f4ng kh\u00ed t\u1eeb l\u1ed7 h\u00fat xa nh\u1ea5t \u0111\u1ebfn \u0111\u1ea7u b\u00e1o ch\u00e1y, t\u00f9y thu\u1ed9c v\u00e0o \u0111\u1ed9 nh\u1ea1y c\u1ee7a \u0111\u1ea7u b\u00e1o ch\u00e1y ki\u1ec3u h\u00fat, kh\u00f4ng \u0111\u01b0\u1ee3c v\u01b0\u1ee3t qu\u00e1:<\/p>\n\n\n\n

– 60 s \u0111\u1ed1i v\u1edbi lo\u1ea1i A;<\/p>\n\n\n\n

– 90 s \u0111\u1ed1i v\u1edbi lo\u1ea1i B;<\/p>\n\n\n\n

– 120 s \u0111\u1ed1i v\u1edbi lo\u1ea1i C.<\/p>\n\n\n\n

5.9.1.2.2<\/strong>  V\u1ecb tr\u00ed c\u1ee7a c\u00e1c l\u1ed7 l\u1ea5y m\u1eabu ph\u1ea3i ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c y\u00eau c\u1ea7u v\u1ec1 kho\u1ea3ng c\u00e1ch cho c\u00e1c \u0111\u1ea7u b\u00e1o ch\u00e1y ki\u1ec3u \u0111i\u1ec3m<\/p>\n\n\n\n

B\u1ea3ng 2 – Quy \u0111\u1ecbnh l\u1eafp \u0111\u1eb7t \u0111\u1ea7u b\u00e1o ch\u00e1y kh\u00f3i ki\u1ec3u h\u00fat<\/strong><\/p>\n\n\n\n

\u0110\u1ed9 nh\u1ea1y c\u1ee7a \u0111\u1ea7u b\u00e1o ch\u00e1y kh\u00f3i ki\u1ec3u h\u00fat<\/strong><\/td>Chi\u1ec1u cao t\u1ed1i \u0111a khu v\u1ef1c b\u1ea3o v\u1ec7 (m)<\/strong><\/td>B\u00e1n k\u00ednh b\u1ea3o v\u1ec7 c\u1ee7a 1 l\u1ed7 h\u00fat (m)<\/strong><\/td><\/tr>
Lo\u1ea1i A, si\u00eau nh\u1ea1y<\/td>30<\/td>6,5<\/td><\/tr>
Lo\u1ea1i B, \u0111\u1ed9 nh\u1ea1y cao<\/td>18<\/td>6,5<\/td><\/tr>
Lo\u1ea1i C, \u0111\u1ed9 nh\u1ea1y ti\u00eau chu\u1ea9n<\/td>12<\/td>6,5<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

Cho ph\u00e9p s\u1eed d\u1ee5ng \u0111\u1ea7u b\u00e1o ch\u00e1y kh\u00f3i ki\u1ec3u h\u00fat \u0111\u1ec3 b\u1ea3o v\u1ec7 trong c\u00e1c ph\u00f2ng c\u00f3 chi\u1ec1u cao \u0111\u1ebfn 40 m; Trong tr\u01b0\u1eddng h\u1ee3p n\u00e0y, c\u00e1c l\u1ed7 l\u1ea5y m\u1eabu ph\u1ea3i \u0111\u01b0\u1ee3c b\u1ed1 tr\u00ed theo hai l\u1edbp b\u1ea3o v\u1ec7:<\/p>\n\n\n\n

– L\u1edbp b\u1ea3o v\u1ec7 th\u1ee9 nh\u1ea5t: L\u1ed7 l\u1ea5y m\u1eabu kh\u00f4ng th\u1ea5p h\u01a1n lo\u1ea1i B \u1edf \u0111\u1ed9 cao kh\u00f4ng qu\u00e1 30 m (d\u01b0\u1edbi c\u00e1c t\u1ea7ng gi\u00e1 \u0111\u1ee1);<\/p>\n\n\n\n

– L\u1edbp b\u1ea3o v\u1ec7 th\u1ee9 hai: L\u1ed7 l\u1ea5y m\u1eabu lo\u1ea1i A \u1edf \u0111\u1ed9 cao kh\u00f4ng qu\u00e1 40 m (d\u01b0\u1edbi tr\u1ea7n nh\u00e0).<\/p>\n\n\n\n

5.9.1.3  \u0110\u1ea7u b\u00e1o ch\u00e1y kh\u00f3i ki\u1ec3u tia chi\u1ebfu<\/strong><\/p>\n\n\n\n

5.9.1.3.1<\/strong>  \u0110\u1ea7u b\u00e1o ch\u00e1y kh\u00f3i tia chi\u1ebfu \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t cho khu v\u1ef1c c\u1ecf chi\u1ec1u cao tr\u1ea7n \u0111\u1ebfn 40 m. Kho\u1ea3ng c\u00e1ch l\u1eafp \u0111\u1eb7t \u0111\u1ea7u b\u00e1o n\u1eb1m trong kho\u1ea3ng t\u1eeb 0,025 m \u0111\u1ebfn 0,6 m b\u1ebfn d\u01b0\u1edbi tr\u1ea7n ho\u1eb7c m\u00e1i.<\/p>\n\n\n\n

5.9.1.3.2<\/strong>  Kho\u1ea3ng c\u00e1ch gi\u1eefa c\u00e1c tia chi\u1ebfu kh\u00f4ng \u0111\u01b0\u1ee3c v\u01b0\u1ee3t qu\u00e1 14,4 m (xem H\u00ecnh 5). Kho\u1ea3ng c\u00e1ch tia chi\u1ebfu \u0111\u1ebfn t\u01b0\u1eddng, v\u00e1ch ng\u0103n kh\u00f4ng \u0111\u01b0\u1ee3c v\u01b0\u1ee3t qu\u00e1 7,2 m.<\/p>\n\n\n\n

5.9.1.3.3<\/strong>  Do \u0111\u1eb7c \u0111i\u1ec3m ki\u1ebfn tr\u00fac k\u1ebft c\u1ea5u m\u00e0 kh\u00f4ng th\u1ec3 l\u1eafp \u0111\u1eb7t \u0111\u1ea7u b\u00e1o ch\u00e1y \u0111\u1ea3m b\u1ea3o theo quy \u0111\u1ecbnh t\u1ea1i 5.9.1.3.1, th\u00ec \u0111\u1ea7u b\u00e1o ch\u00e1y c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t kho\u1ea3ng c\u00e1ch l\u1edbn h\u01a1n 0,6 m t\u00ednh t\u1eeb tr\u1ea7n nh\u01b0ng c\u1ea7n \u0111\u1ea3m b\u1ea3o kho\u1ea3ng c\u00e1ch gi\u1eefa c\u00e1c tia chi\u1ebfu \u0111\u01b0\u1ee3c gi\u1ea3m xu\u1ed1ng c\u00f2n 25 % chi\u1ec1u cao l\u1eafp \u0111\u1eb7t.<\/p>\n\n\n\n

5.9.1.3.4<\/strong>  Tr\u01b0\u1eddng h\u1ee3p kh\u00f3i kh\u00f4ng \u0111\u1ed1i l\u01b0u l\u00ean t\u1edbi tr\u1ea7n ho\u1eb7c m\u00e1i, y\u00eau c\u1ea7u l\u1eafp \u0111\u1eb7t b\u1ed5 sung \u0111\u1ea7u b\u00e1o ch\u00e1y tia chi\u1ebfu \u1edf khu v\u1ef1c v\u1ef1c chi\u1ec1u cao trung gian. Kho\u1ea3ng c\u00e1ch gi\u1eefa c\u00e1c \u0111\u1ea7u b\u00e1o ch\u00e1y \u0111\u01b0\u1ee3c l\u1eafp \u1edf c\u00e1c chi\u1ec1u cao trung gian gi\u1ea3m c\u00f2n 25 % chi\u1ec1u cao l\u1eafp \u0111\u1eb7t.<\/p>\n\n\n\n

CH\u00da TH\u00cdCH: C\u00e1c \u0111\u1ea7u b\u00e1o ch\u00e1y kh\u00f3i tia chi\u1ebfu b\u1ed5 sung th\u01b0\u1eddng \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t trong c\u00e1c kh\u00f4ng gian th\u1eb3ng \u0111\u1ee9ng \u1edf c\u00e1c m\u1ee9c th\u1ea5p h\u01a1n, v\u00ed d\u1ee5, \u0111\u1ea1i s\u1ea3nh c\u1ee7a t\u00f2a nh\u00e0.<\/p>\n\n\n\n

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

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

H\u00ecnh 5 – V\u00ed d\u1ee5 v\u1ec1 c\u00e1c v\u1ecb tr\u00ed c\u1ee7a \u0111\u1ea7u b\u00e1o ch\u00e1y kh\u00f3i tia chi\u1ebfu<\/strong><\/p>\n\n\n\n

5.9.1.4  V\u1ecb tr\u00ed c\u1ee7a c\u00e1c \u0111\u1ea7u b\u00e1o ch\u00e1y g\u1ea7n tr\u1ea7n ho\u1eb7c c\u00e1c \u0111\u00ecnh b\u1ec1 m\u1eb7t m\u00e1i<\/strong><\/p>\n\n\n\n

Ph\u1ea3i l\u1eafp \u0111\u1eb7t \u0111\u1ea7u b\u00e1o ch\u00e1y g\u1ea7n \u0111\u1ec9nh c\u1ee7a m\u00e1i d\u1ed1c, m\u00e1i ho\u1eb7c m\u1ed9t b\u1ec1 m\u1eb7t ph\u1eb3ng \u0111\u1ec3 tr\u00e1nh v\u00f9ng kh\u00f4ng kh\u00ed ch\u1ebft (xem H\u00ecnh 6).<\/p>\n\n\n\n

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

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

\u2026<\/p>\n\n\n\n

C\u00f2n n\u1eefa<\/em><\/p>\n\n\n\n

L\u01b0u \u00fd:<\/strong> \u0110\u00e2y ch\u1ec9 l\u00e0 th\u00f4ng tin t\u00f3m l\u01b0\u1ee3c ph\u1ee5c v\u1ee5 m\u1ee5c \u0111\u00edch tham kh\u1ea3o.
\u0110\u1ec3 tra c\u1ee9u chi ti\u1ebft \u0111\u1ea7y \u0111\u1ee7 n\u1ed9i dung v\u00e0 \u00e1p d\u1ee5ng ch\u00ednh x\u00e1c trong thi\u1ebft k\u1ebf, thi c\u00f4ng v\u00e0 nghi\u1ec7m thu, vui l\u00f2ng \u0111\u0103ng k\u00fd mua b\u1ea3n quy\u1ec1n ti\u00eau chu\u1ea9n TCVN t\u1ea1i c\u00e1c k\u00eanh ch\u00ednh th\u1ee9c<\/strong> c\u1ee7a T\u1ed5ng c\u1ee5c Ti\u00eau chu\u1ea9n \u0110o l\u01b0\u1eddng Ch\u1ea5t l\u01b0\u1ee3ng ho\u1eb7c C\u1ee5c C\u1ea3nh s\u00e1t PCCC & CNCH.<\/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.<\/p>\n\n\n\n

\u0110\u1ecba ch\u1ec9: L\u00f4 CN03, khu CN \u0110\u1ed3ng V\u0103n IV, Ph\u01b0\u1eddng L\u00ea H\u1ed3, T\u1ec9nh Ninh B\u00ecnh<\/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":29294,"template":"","meta":{"_acf_changed":false},"solution_cat":[],"solution_tag":[],"class_list":["post-29328","solution","type-solution","status-publish","has-post-thumbnail","hentry"],"acf":[],"yoast_head":"\nT\u1ed5ng H\u1ee3p L\u01b0u \u00dd V\u1ec1 TCVN 7568-14:2025 - P3<\/title>\n<meta name=\"description\" content=\"Ph\u1ea7n cu\u1ed1i lo\u1ea1t b\u00e0i TCVN 7568-14:2025, t\u1ed5ng h\u1ee3p l\u01b0u \u00fd c\u1ed1t l\u00f5i h\u1ed7 tr\u1ee3 k\u1ef9 s\u01b0 thi\u1ebft k\u1ebf h\u1ec7 th\u1ed1ng b\u00e1o ch\u00e1y chu\u1ea9n x\u00e1c theo ti\u00eau chu\u1ea9n m\u1edbi.\" \/>\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\/new-tcvn-7568-14-2025-fire-alarm-design-guide-part-3\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"T\u1ed5ng H\u1ee3p L\u01b0u \u00dd V\u1ec1 TCVN 7568-14:2025 - 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