[信息與通信]通信機(jī)房火災(zāi)防護(hù)設(shè)計(jì)-在線瀏覽
2025-03-05 12:09本頁面
【正文】 re required, sampling points shall alternate between ceiling and low elevations. There shall be one ceiling and one low elevation point in every 40 square meter of floor area.” “在需要天花板和低處的采樣點(diǎn)時(shí)，采樣點(diǎn)必須在天花板和低處之間交替安裝。 Service Class 1 areas including (Telemunications Equipment Areas, DC power rooms, Data Center/Computer Rooms amp。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。 Measurement Strategies: Quantifying Performance Loss, Meta Group, October 2022. Consequence Increasing 火災(zāi)的影響有逐步上升的趨勢 電信業(yè) 能源 制造業(yè) 金融 資訊科技 保險(xiǎn)業(yè) 零售 藥劑 銀行 百萬元 平均每小時(shí)對(duì)業(yè)務(wù)的影響 Smoke damage to ponents 煙霧對(duì)電氣設(shè)備造成的損害 2nd International Fire Protection Seminar Buenos Aires 1999 – Telemunication Facilities USA Federal Commission of Communications, 95% of all damage within puter room facilities is nonthermal. 計(jì)算機(jī)房中全部損害的 95%并非源于高溫 HCL Gas is Corrosive HCL是腐蝕性氣體 How can we reduce this risk? 我們?cè)鯓硬拍芙档瓦@個(gè)風(fēng)險(xiǎn)呢？ ? Through detection of “thermal events” before smoke is visible: 通過對(duì)可見煙產(chǎn)生之前的發(fā)熱現(xiàn)象進(jìn)行探測 ? Overheating wire 導(dǎo)線過熱 ? Fused circuit board ponents 電路板元件過熱 ? Minimises damage: 將損害減至最低 ? Prevent Fire 防止火災(zāi)的發(fā)生 ? Prevent smoke contamination 防止煙污染 ? Prevent suppressants being used 防止滅火系統(tǒng)的啟動(dòng) Smoke Obscuration 煙霧的遮光率 wire produced %/m 霧可達(dá)到 %/m的遮光率 1000 m2 Room with High Ceiling 1000平方米的房間天花板高度為 Testing for Very Early Warning 對(duì)于極早期預(yù)警系統(tǒng)的測試方法 ? Paper Basket Fire = 4 kW (UL standard test uses 3 sheets) 廢紙簍燃燒 = 4 kW （ 美國 UL標(biāo)準(zhǔn)測試使用 3張紙） ? BS6266 (1m wire) = kW 英國 BS6266標(biāo)準(zhǔn)（ 1米電線） = kW ? VESDA Hot Wire Test = 40W VESDA過熱電線測試 = 40W ? Single Resistor = 10 Watts 單個(gè)電阻 = 10 Watts Design Criteria 設(shè)計(jì)時(shí)需要考慮的
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