4月22日,隨著定向鉆機回(hui)拖“長龍型”供(gong)(gong)水鋼(gang)管穿孔而(er)出,龍海區浯嶼島供(gong)(gong)水工程跨(kua)海段3.3公里(li)供(gong)(gong)水管道安裝完(wan)成,計劃月底試(shi)通水,村民即將告(gao)別“看天吃水、靠船運水”的(de)歷史(shi)。
浯嶼島供水(shui)工(gong)程跨(kua)海段定向鉆鋼管拖拉施工(gong)現場
浯(wu)嶼島是漳州市龍海區港尾鎮的(de)一個小漁島,島上村民過去主要依(yi)靠航(hang)運淡水(shui)或者(zhe)抽取地下水(shui)解決,受天氣等不穩定因(yin)素影響,常常出現水(shui)斷供(gong)問題(ti),且村民用水(shui)成本高達(da)22元/噸,成為(wei)困擾當地村民的(de)最(zui)大民生問題(ti)。
為解決(jue)浯嶼(yu)(yu)(yu)(yu)島島民的(de)(de)飲水(shui)(shui)(shui)(shui)問題,2020年,福建(jian)(jian)水(shui)(shui)(shui)(shui)投(tou)集團與龍(long)海(hai)(hai)區(qu)合(he)作(zuo)實(shi)施(shi)(shi)城鄉(xiang)一(yi)體化項(xiang)目(mu),將(jiang)(jiang)浯嶼(yu)(yu)(yu)(yu)島供(gong)水(shui)(shui)(shui)(shui)工程列入第一(yi)批建(jian)(jian)設(she)項(xiang)目(mu)。通過建(jian)(jian)設(she)跨(kua)海(hai)(hai)供(gong)水(shui)(shui)(shui)(shui)管(guan)道將(jiang)(jiang)港尾鎮斗(dou)美村供(gong)水(shui)(shui)(shui)(shui)管(guan)網與浯嶼(yu)(yu)(yu)(yu)島連接起來,納入龍(long)海(hai)(hai)水(shui)(shui)(shui)(shui)務公(gong)(gong)司(si)日供(gong)水(shui)(shui)(shui)(shui)10萬噸(dun)的(de)(de)丹宅水(shui)(shui)(shui)(shui)廠供(gong)水(shui)(shui)(shui)(shui)范圍,讓偏遠島民也能(neng)喝上城區(qu)百姓一(yi)樣的(de)(de)自來水(shui)(shui)(shui)(shui)。“浯嶼(yu)(yu)(yu)(yu)島跨(kua)海(hai)(hai)管(guan)道主要采取水(shui)(shui)(shui)(shui)平(ping)定(ding)向鉆(zhan)拉(la)管(guan),先鉆(zhan)引隧洞,后拉(la)通管(guan)道的(de)(de)技(ji)術,這(zhe)種技(ji)術在短距(ju)離兩、三(san)百米(mi)供(gong)水(shui)(shui)(shui)(shui)管(guan)道很(hen)常(chang)見,但是浯嶼(yu)(yu)(yu)(yu)島跨(kua)海(hai)(hai)管(guan)道長達3.3公(gong)(gong)里(li)一(yi)次性拖(tuo)拉(la),海(hai)(hai)底巖層硬(ying)度高(gao)(gao)達100MPa,鉆(zhan)頭磨(mo)損(sun)超預期等(deng)施(shi)(shi)工難點(dian)、堵(du)點(dian)逐漸呈(cheng)現,技(ji)術條件(jian)要求非(fei)常(chang)高(gao)(gao)。”施(shi)(shi)工單(dan)位(wei)(wei)福建(jian)(jian)水(shui)(shui)(shui)(shui)投(tou)水(shui)(shui)(shui)(shui)務建(jian)(jian)設(she)有(you)限公(gong)(gong)司(si)方偉杰介(jie)紹(shao)說(shuo)。施(shi)(shi)工單(dan)位(wei)(wei)克(ke)服(fu)島上作(zuo)業面狹窄、海(hai)(hai)底巖層硬(ying)度高(gao)(gao)、施(shi)(shi)工窗口期短等(deng)問題,組(zu)建(jian)(jian)技(ji)術攻關小組(zu),持續優化施(shi)(shi)工方案,將(jiang)(jiang)單(dan)根12米(mi)長的(de)(de)無縫(feng)鋼管(guan)先焊(han)接成500多米(mi)長的(de)(de)鋼管(guan)后,再(zai)使用(yong)水(shui)(shui)(shui)(shui)平(ping)定(ding)向鉆(zhan)機拖(tuo)拽,3.3公(gong)(gong)里(li)長的(de)(de)鋼管(guan)穿(chuan)海(hai)(hai)而過,前后耗時僅不到三(san)天(tian)時間。
截至目前(qian),浯(wu)嶼島(dao)供(gong)水工(gong)程(cheng)已(yi)投入(ru)(ru)5100多(duo)萬元,鋪設跨海(hai)管(guan)道3.3公里,斗美村(cun)連接(jie)管(guan)1.2公里,島(dao)上供(gong)水管(guan)道近12公里,安裝智能遠傳水表1598個,計劃本月底前(qian)完成(cheng)斗美入(ru)(ru)海(hai)點、浯(wu)嶼島(dao)登(deng)陸點管(guan)道接(jie)駁(bo)點銜接(jie)工(gong)作(zuo),并試通水運行(xing),浯(wu)嶼島(dao)村(cun)民將享受同城區百姓(xing)一樣(yang)的優質供(gong)水服務(wu)。