畫面曝光!南化水庫防淤隧道試運轉排砂 - 台南
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By Annie
at 2021-06-22T17:42
at 2021-06-22T17:42
Table of Contents
畫面曝光!南化水庫防淤隧道試運轉排砂
https://news.ltn.com.tw/news/life/breakingnews/3577940
〔記者萬于甄/台南報導〕繼曾文水庫防淤隧道之後,斥資33.4億元打造的南化水庫防淤隧
道,今上午原定9點試運轉,過程因工程技術問題,直至10點順利試運轉啟動排砂放水,約1
0點38分從出水口流入後堀溪,待驗收通過後即可啟用,每年最高排砂量可達72萬立方米。
南水局副局長鄒漢貴表示,南化水庫水位標高180公尺,而防淤隧道進出水口約在水庫水位1
35公尺處,此次試運轉以直立閘門開度10%、流量約121 cms排砂放水,排放時間將以不讓南
化水庫自然溢流為主,提醒下游民眾務必注意安全。
供應民生用水為主的南化水庫,完工營運迄今約28年,原設計容量近1.5億噸,但近年來水
庫淤積嚴重,迄今有效蓄水量僅剩9098萬噸,因此,2014年7月動工興建南化水庫防淤隧道
,歷經7年時間,今適逢水情穩定,啟動防淤隧道排砂放水試運轉。
南化水庫防淤隧道採用的圍堰工法,為國內首見,總長度約1410公尺,隧道直徑約9.5公尺
,每秒最大流量1000立方米,大雨時藉由水力排砂方式一併清淤,可有效延長水庫壽命。
此外,南化水庫因近期幾波降雨,短短3週時間從蓄水率8%回升至滿水位溢流,前兩天自然
溢流量分別為122萬噸及883萬噸,今截至上午8點溢流量也達178萬噸,根據氣象預報今午後
仍有明顯雨勢,南水局也趁此波雨勢試運轉防淤隧道,讓每滴水資源都有效利用。
總算開始試運轉了!希望能快點驗收合格啟用
--
Sent from my iPhone 7 Plus
○ PiTT // PHJCI
--
https://news.ltn.com.tw/news/life/breakingnews/3577940
〔記者萬于甄/台南報導〕繼曾文水庫防淤隧道之後,斥資33.4億元打造的南化水庫防淤隧
道,今上午原定9點試運轉,過程因工程技術問題,直至10點順利試運轉啟動排砂放水,約1
0點38分從出水口流入後堀溪,待驗收通過後即可啟用,每年最高排砂量可達72萬立方米。
南水局副局長鄒漢貴表示,南化水庫水位標高180公尺,而防淤隧道進出水口約在水庫水位1
35公尺處,此次試運轉以直立閘門開度10%、流量約121 cms排砂放水,排放時間將以不讓南
化水庫自然溢流為主,提醒下游民眾務必注意安全。
供應民生用水為主的南化水庫,完工營運迄今約28年,原設計容量近1.5億噸,但近年來水
庫淤積嚴重,迄今有效蓄水量僅剩9098萬噸,因此,2014年7月動工興建南化水庫防淤隧道
,歷經7年時間,今適逢水情穩定,啟動防淤隧道排砂放水試運轉。
南化水庫防淤隧道採用的圍堰工法,為國內首見,總長度約1410公尺,隧道直徑約9.5公尺
,每秒最大流量1000立方米,大雨時藉由水力排砂方式一併清淤,可有效延長水庫壽命。
此外,南化水庫因近期幾波降雨,短短3週時間從蓄水率8%回升至滿水位溢流,前兩天自然
溢流量分別為122萬噸及883萬噸,今截至上午8點溢流量也達178萬噸,根據氣象預報今午後
仍有明顯雨勢,南水局也趁此波雨勢試運轉防淤隧道,讓每滴水資源都有效利用。
總算開始試運轉了!希望能快點驗收合格啟用
--
Sent from my iPhone 7 Plus
○ PiTT // PHJCI
--
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