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Chimney obstruction lighting installation reference layout

Power-plant chimney obstruction lighting reference configuration

● For chimney heights ≥45 m, install one level of Type B medium-intensity lights at the top and paint 7 marking bands.

● For chimney heights >45 m and ≤105 m, use two levels of obstruction lighting, with Type B medium-intensity lights at both the top and the intermediate position.

● For chimney heights >105 m and ≤150 m, use multiple levels: Type A medium-intensity lights at the top and Type B medium-intensity lights at other levels. Level spacing should not exceed 45 m and should be as uniform as possible.

● For chimney heights ≥150-240 m, install Type A high-intensity lights at the top and Type B medium-intensity lights at other levels.

● For D ≤ 6 m, install 3 obstruction lights per level.

● For 6 m < D < 30 m, install 4 obstruction lights per level.

● For 30 m < D < 60 m, install 6 obstruction lights per level.

● For D ≥ 60 m, install 8 obstruction lights per level.

Because of chimney geometry, top obstruction lights must be positioned 1.5-3 m from the top. For chimney heights >150 m, obstruction lights should be installed within 7.5 m below the chimney top.

Reference standards

● Civil Aviation Administration of China (CAAC): MH5001-2021 / MH/T6012-2015

● International Civil Aviation Organization (ICAO): Annex 14 to the Convention on International Civil Aviation, Volume 1-2018

● Federal Aviation Administration (FAA): AC150/5345-43J

Solution diagrams

Chimney obstruction lighting installation reference layout — 1
Chimney obstruction lighting installation reference layout — 2
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Original Chinese document · DOCX

Original Chinese document

电厂烟囱航空障碍灯配置参考方案

●烟囱高度≥45米时,顶部设置一层中光强B型航空障碍灯,并且刷7条色标。

●当烟囱高度>45米≤105米时,烟囱应设置双层航空障碍灯,顶部需要设置中光强B型航空障碍灯,中间位置同样设置中光强B型障碍灯。

●当烟囱高度>105米≤150米时,烟囱应设置多层航空障碍灯,顶部需要设置中光强A型航空障碍灯,其他各层设置中光强B型障碍灯,且各层的间距不应大于45米,分布距离尽可能相等。

●当烟囱高度≥150-240米时,烟囱顶端设置高光强A型航空障碍灯,其他各层设置中光强B型航空障碍灯。

● D ≤ 6米时,每层需要设置3个航空障碍灯。

● 6米< D < 30米时, 每层需要设置4个航空障碍灯。

● 30米< D < 60米时,每层需要设置6个航空障碍灯。

● D ≥ 60米时, 每层需要设置8个航空障碍灯。

由于烟囱本身结构的特殊性,在设置航空障碍灯的时候,安装在其顶部的障碍灯必须位于顶端1.5-3米之间,当烟囱的高度>150米时,障碍灯应安装在烟囱顶端以下7.5米的范围内。

参考标准

●中国民用航空局CAAC:《MH5001-2021》/《MH/T6012-2015》

●国际民航组织ICAO:《国际民用航空公约附件14第1卷-2018》

●美国联邦航空局FAA:《AC150/5345-43J》

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