[信息與通信]通信機(jī)房火災(zāi)防護(hù)設(shè)計(jì)-免費(fèi)閱讀
【正文】 If covering a puter facility with high airflow39。W Standard ? ATamp。T Standard ? Telstra Standard ? Optus Standard ? BFPSA ASD Code ? VFS ASD Code Standards World Wide 國際通行標(biāo)準(zhǔn) ? USA NFPA 76 “Standard for the Protection of Telemunications Facilities” 美國 NFPA76 “通訊設(shè)施防火標(biāo)準(zhǔn)” – “Every type of sensor and port installed in a space shall be limited to a maximum coverage area of 20 “各種類型的探測器和端點(diǎn)在場所內(nèi)安裝時(shí)都必須限定在每個(gè)點(diǎn)的最大保護(hù)面積為 20平方米的范圍內(nèi)” ? USA NFPA 72 “National Fire Code” 美國 NFPA72 “國家火災(zāi)規(guī)范” – area coverage for spot type detectors to be reduced within high airflow environments to as low as m2 per detector for rooms that have 60 air changes per hour. 在高氣流環(huán)境下，當(dāng)房間內(nèi)的換氣率達(dá)到每小時(shí) 60次時(shí)，點(diǎn)式探測器每個(gè)探頭的保護(hù)面積要降至 ? British Standard BS6266 英國 BS6266標(biāo)準(zhǔn) – EDP equipment room (ceiling height above 3 metres), require a maximum spacing of 1525 square metres (150 – 250 square feet) 電子數(shù)據(jù)處理設(shè)備間（天花板的高度大于 3米）要求探測器的最大間距為15至 25平方米（ 150至 250平方英尺） Industry Standards 行業(yè)標(biāo)準(zhǔn) ? Factory Mutual Property Loss Prevention Data Sheet (548) for Automatic Fire Detectors 廠商通用標(biāo)準(zhǔn) 預(yù)防財(cái)產(chǎn)損失一覽表之自動(dòng)火災(zāi)探測器（ 548） – A maximum coverage of 200sq. ft. (20 m2) per detector may be necessary where room air is changing at a rate of 20 air changes per hour or 100ft/min (). “當(dāng)房間內(nèi)的換氣率在每小時(shí) 20次或 100平方英尺 /分（ /秒）時(shí)，每個(gè)探頭的最大保護(hù)面積為 200平方英尺（ 20平方米） ? 美國 ATamp。s detector spacing should be reduced, this is to enable higher sensitivity levels. Detector spacing should be 1525m2 VESDA is easily configured to meet these requirements. 高氣流環(huán)境下的常規(guī)探測器布置方式 Siting of Conventional Detectors for high airflow environments Sampling pipes 采樣管 Sampling points 采樣孔 ASD Detector 探測器 Area Coverage 每個(gè)采樣孔的平均保護(hù)面積 20M2 高氣流環(huán)境下的采樣孔布置方式 Siting of Sampling Points for high airflow environments NFPA 72 NFPA 72 提供的關(guān)于氣流變化率與探頭保護(hù)面積對(duì)照表 NFPA 72 supplies information on area coverage vs. air change rate Air C han ges P/ H M2 co v era ge 60 1230 2320 3515 4612 5810 70 81 84 846 8415Smoke Movement In Room 房間內(nèi)的煙霧運(yùn)動(dòng) (%/m) Small Fires: InCabi Detection 小規(guī)模火災(zāi)：柜內(nèi)探測 (%/m) Application Scenarios － Tele 針對(duì)電信的解決方案 Ｃ hina Tele Central Station 中心局 ( 10F20F ) Branch Station 支局 ( 2F4F ) Module Station 模塊局 ( one room ) Mother Station 匯接局 ( 4F10F ) Application Sites 應(yīng)用地點(diǎn) Protection Objects 保護(hù)對(duì)象 Protection Objects 保護(hù)對(duì)象 Exchange Room 交換機(jī)房 Computer Room 計(jì)算機(jī)房 Power Room 動(dòng)力機(jī)房 Transmission Room 傳輸機(jī)房 Terminal Room 測量機(jī)房 Office Zone 辦公區(qū)域 Central Station 中心局 Mother Station 匯接局 Branch Station 支局 Module Station 模塊局 Optional Products 可選產(chǎn)品 Protection Objects 保護(hù)對(duì)象 VLP VLS VLC VLF PRECISION PROACTIV Central Station 中心局 Mother Station 匯接局 Branch Station 支局 Module Station 模塊局 Sampling Methods 采樣方式 Areas 保護(hù)區(qū)域 Ro
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