【正文】 3 土石碾壓壩建設(shè) ....................................................................................................47 4． 4 尾礦庫排水管和溢流井 ...............................................................................................48 4． 5 尾礦庫水位的控制 ......................................................................................................49 4． 5． 1 控制尾礦庫水位應(yīng)遵循的原則 ...............................................................................49 4． 5． 2 汛期前應(yīng)采取下列措施做好防汛工作 ....................................................................49 4． 5． 3 其他應(yīng)注意事項 ....................................................................................................50 4． 6 尾礦庫的滲漏控制 ......................................................................................................50 4． 7 尾礦庫檔案管理 .........................................................................................................51 4． 8 尾礦壩的維護 .............................................................................................................51 4． 8． 1 壩 外坡面維護工作應(yīng)采取的措施： ........................................................................51 4． 8． 2 如何維護尾礦壩壩體 .............................................................................................52 4． 9 尾礦壩的安全檢查和搶險 ...........................................................................................53 4． 9． 1 尾礦壩安全 檢查內(nèi)容 .............................................................................................53 4． 10 尾礦庫安全管理 .......................................................................................................54 4． 10． 1 同時滿足下列工況的為正常庫 .............................................................................54 4． 10． 2 危及尾礦庫的情況： ...........................................................................................54 4． 10． 3 影響尾礦庫安全運行的情況。 .............................................................................55 第五章 環(huán)境保護 ...............................................................................................................55 5． 1 擬建工程對環(huán)境影響概述 ...........................................................................................55 5． 1． 1 水土保持能力的影響 .............................................................................................55 5． 1． 2 對植被的影響 .......................................................................................................56 5． 1． 3 對文物古跡的影響 ................................................................................................56 5． 1． 4 對野生動物的影響 ................................................................................................57 5． 1． 5 對水環(huán)境的影響 ....................................................................................................57 5． 1． 6 對大氣環(huán)境的影響 ................................................................................................57 5． 1． 7 對地質(zhì)環(huán)境的影響 ................................................................................................57 3 5． 1． 8 對聲學(xué)環(huán)境的影響 ................................................................................................58 5． 2 環(huán)境評價報告、水土保持、土地復(fù)墾方案 ..................................................................58 第六章 工程建設(shè)基本概算 .................................................................................................59 6． 1 初期基礎(chǔ)母壩混凝土方量、碾壓土石壩方量 ...............................................................59 6． 2 溢流井管件和排水管件長度 ........................................................................................59 6． 3 庫區(qū)防滲工程概算 ......................................................................................................59 6． 4 防洪混凝土壩及下游擋水墻混凝土方量 ......................................................................59 6． 5 澄清尾礦水回水利用池 ...............................................................................................60 6． 6 后期粗尾礦砂子壩建設(shè) ...............................................................................................60 6． 7 其他投資 ....................................................................................................................60 6． 8 工程總預(yù)算 ................................................................................................................60 第七章 尾礦庫安全生產(chǎn)管理規(guī) 定 .......................................................................................61 7． 1 總則 .........................................................................................................................61 7． 2 尾礦庫安全管理 .......................................................................................................62 7． 2． 1 尾礦庫管理 ...........................................................................................................62 7． 2． 2 尾礦排放與筑壩 ....................................................................................................66 7． 2． 3 尾礦庫水位控制與防汛 .........................................................................................68 7． 2． 4 排滲設(shè)施管理與滲流控制 ......................................................................................69 7． 2． 5 尾礦庫防震與抗震 ................................................................................................70 7． 3 尾礦庫安全檢查 .........................................................................................................71 7． 3． 1 尾礦庫防洪安全檢查 .............................................................................................71 7． 3． 2 排水構(gòu)筑物安全檢查 .............................................................................................73 7． 3． 3 尾礦壩安全檢查 ....................................................................................................75 7． 3． 4 尾礦庫庫區(qū)安全檢查 .............................................................................................76 7． 4 尾礦庫安全評價與管理 .............................................................................................76 7． 5 尾礦庫安全監(jiān)督 ........................................................