Standard for Installation of Fire Safety Devices based on Use and Occupancy Article 44
Piping and fittings of automatic sprinkler system and roof tank shall comply with Article 32.1 and 32.2 and meet the following provisions:1.Preservation treatment like zincification etc shall be made to the secondary side matching pipe of water flow detecting device for enclosed dry type or pre-action type, as well as the secondary side matching pipe of deluge valve.2.The secondary side matching pipe of water flow detecting device of enclosed dry or pre-action type shall be equipped pursuant to the following provisions for ensuring effective drainage.(1)Brach pipe shall incline 4cm every 10m, and main pipe 2cm every 10m.(2)Drain valve shall be equipped obviously, and marked with “Drain Valve”.3.The quantity of water in a roof tank shall be not less than 1m3 where standpipe is connected to the roof tank.
中文原文 各類場所消防安全設備設置標準第44條
自動撒水設備之配管、配件及屋頂水箱，除準用第三十二條第一款、第二款規定外，依下列規定設置：
一、密閉乾式或預動式之流水檢知裝置二次側配管，施予鍍鋅等防腐蝕處理。
一齊開放閥二次側配管，亦同。
二、密閉乾式或預動式之流水檢知裝置二次側配管，為有效排水，依下列規定裝置：
（一）支管每十公尺傾斜四公分，主管每十公尺傾斜二公分。
（二）於明顯易見處設排水閥，並標明排水閥字樣。
三、立管連接屋頂水箱時，屋頂水箱之容量在一立方公尺以上。
一、密閉乾式或預動式之流水檢知裝置二次側配管，施予鍍鋅等防腐蝕處理。
一齊開放閥二次側配管，亦同。
二、密閉乾式或預動式之流水檢知裝置二次側配管，為有效排水，依下列規定裝置：
（一）支管每十公尺傾斜四公分，主管每十公尺傾斜二公分。
（二）於明顯易見處設排水閥，並標明排水閥字樣。
三、立管連接屋頂水箱時，屋頂水箱之容量在一立方公尺以上。