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水道直結方式におけるバイパス管の指摘についての事例 | 建築設備の工事日報
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水道直結方式におけるバイパス管の指摘についての事例

事例・ポイント集給水


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CASE

  • 増圧直結ポンプにて屋上高架水槽へ給水。
  • 電極電磁弁制御。
  • 試運転、電磁弁故障時のためにバイパス配管を設ける。

対応事例

POINT

  • バイパスが死に水になると水道事業者から指摘事例あり。
  • バイパスを設ける場合は分岐、合流直近にそれぞれバルブを設け、水抜きを設ける。
  • バイパスを設けない場合は電磁弁手動操作(取説を参照)、又はフランジで仮設配管。