庫區(qu)防滲(shen)施(shi)工前，需(xu)要對庫區(qu)進(jin)行平(ping)整處理(li)，平(ping)整處理(li)區(qu)域(yu)1~4時，需(xu)要提(ti)前規(gui)劃(hua)庫底高程(cheng)1566m施(shi)工工序，平(ping)整后(hou)預留壩(ba)基礎(chu)邊(bian)線15m不(bu)(bu)動，范(fan)圍外則遵(zun)循工序鋪(pu)設基礎(chu)砂(sha)土(tu)墊層，西半(ban)區(qu)壩(ba)面防滲(shen)施(shi)工、盲(mang)溝施(shi)工后(hou)，自內而(er)外地有序施(shi)工。位于庫區(qu)底部的細(xi)粒土(tu)層壓實(shi)度(du)不(bu)(bu)得(de)小于93%，細(xi)土(tu)粒徑不(bu)(bu)大于10mm，且不(bu)(bu)得(de)含(han)有尖銳棱角的砂(sha)石。

在施工前期，必須進行詳細的工程設計和方案規劃。這包括確定防滲工程的范圍、目標、技術要求，以及土工膜的(de)(de)(de)類型(xing)和(he)(he)(he)(he)規格。工(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)程(cheng)設計(ji)應(ying)充分考慮庫(ku)區的(de)(de)(de)地理(li)特點(dian)、土(tu)壤條件、地下水(shui)位和(he)(he)(he)(he)環境(jing)要求。合(he)理(li)的(de)(de)(de)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)程(cheng)設計(ji)將(jiang)為土(tu)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)膜(mo)(mo)施(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)提(ti)供明確(que)的(de)(de)(de)方向，確(que)保施(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)作(zuo)達到預(yu)期(qi)的(de)(de)(de)效果。根據工(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)程(cheng)設計(ji)，采購土(tu)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)膜(mo)(mo)材料(liao)(liao)和(he)(he)(he)(he)施(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)所(suo)需的(de)(de)(de)相(xiang)(xiang)關設備(bei)，包(bao)括土(tu)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)膜(mo)(mo)卷材、焊接設備(bei)、接縫(feng)材料(liao)(liao)等。在采購后，必(bi)須(xu)進(jin)行(xing)質(zhi)量檢查(cha)，包(bao)括土(tu)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)膜(mo)(mo)材料(liao)(liao)的(de)(de)(de)厚度、強度、耐化學物質(zhi)性(xing)能等，確(que)保材料(liao)(liao)符合(he)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)程(cheng)要求和(he)(he)(he)(he)標準。施(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)前必(bi)須(xu)進(jin)行(xing)庫(ku)區的(de)(de)(de)場(chang)地準備(bei)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)作(zuo)，包(bao)括清除雜草、樹木、石頭和(he)(he)(he)(he)其他障礙(ai)物，確(que)保施(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)區域平整(zheng)，沒(mei)有(you)尖銳的(de)(de)(de)物體損壞土(tu)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)膜(mo)(mo)。全(quan)面檢查(cha)土(tu)壤的(de)(de)(de)質(zhi)地和(he)(he)(he)(he)顆(ke)粒分布(bu)，以便(bian)在施(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)中(zhong)選擇(ze)適當的(de)(de)(de)土(tu)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)膜(mo)(mo)材料(liao)(liao)和(he)(he)(he)(he)相(xiang)(xiang)關設備(bei)。同時(shi)，施(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)人員需要進(jin)行(xing)培訓，以了(le)解土(tu)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)膜(mo)(mo)的(de)(de)(de)安(an)裝方法、施(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)規范和(he)(he)(he)(he)安(an)全(quan)操作(zuo)，熟悉(xi)施(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)現場(chang)的(de)(de)(de)安(an)全(quan)規定和(he)(he)(he)(he)應(ying)急處理(li)措施(shi)(shi)(shi)。通過有(you)效培訓，便(bian)于施(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)人員具備(bei)相(xiang)(xiang)關的(de)(de)(de)證書和(he)(he)(he)(he)資(zi)質(zhi)，確(que)保施(shi)(shi)(shi)工(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)(gong)過程(cheng)的(de)(de)(de)專業性(xing)和(he)(he)(he)(he)質(zhi)量。