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GB 50974-2014 第11.0.14条 Technical code for fire protection water supply and hydrant systems

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GB 50974-2014 第11.0.14条

| **** | During a fire, fire pumps shall run at power frequency and shall be started directly at power frequency; when star-delta or autotransformer reduced-voltage starting is used, the fire pump shall be ensured to start automatically within 30s. |

Other clauses of this standard

GB 50974-2014 第1.0.1条Technical code for fire protection water supply and hydrant…
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GB 50974-2014 第2.1.1条Technical code for fire protection water supply and hydrant…
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GB 50974-2014 第2.1.5条Technical Code for Fire Protection Water Supply and Hydrant…
GB 50974-2014 第2.1.6条Technical code for fire protection water supply and hydrant…
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