【正文】 － 1－ 磷石膏渣場(chǎng)水土保持方案 目 錄 1 前言 ................................................................................................................................. 1 企業(yè)現(xiàn)狀 ................................................................................................................. 1 磷石膏渣場(chǎng)建設(shè)意義和必要性 ............................................................................. 2 方案的編制過程 ..................................................................................................... 3 磷石膏渣場(chǎng)基本情況 ............................................................................................. 3 2 方案編制總則 ................................................................................................................. 5 方案編制目的和意義 ............................................................................................. 5 編制依據(jù) .................................................................................................................. 6 法律法規(guī) ....................................................................................................... 6 部委規(guī)章 ....................................................................................................... 6 規(guī)范性文件 ................................................................................................... 7 規(guī)范標(biāo)準(zhǔn) ....................................................................................................... 7 技術(shù)資料 ....................................................................................................... 8 方案編制深度與設(shè)計(jì)水平年 .................................................................................. 8 3 渣場(chǎng)概況 ........................................................................................................................10 渣場(chǎng)工程量、投資及規(guī)模 ................................................................................... 11 渣場(chǎng)工程量、投資 ..................................................................................... 11 建設(shè)規(guī)模 ..................................................................................................... 12 渣場(chǎng)設(shè)計(jì) ............................................................................................................... 12 工藝流程 ..................................................................................................... 12 堆筑工藝 ..................................................................................................... 13 渣場(chǎng)庫(kù)容及服務(wù)年限 ................................................................................. 14 磷石膏特性及輸送工藝 ............................................................................. 14 渣場(chǎng)各項(xiàng)工程概況 ............................................................................................... 16 初期壩 ......................................................................................................... 17 渣場(chǎng)排水及防滲 ......................................................................................... 17 防洪排洪 ..................................................................................................... 17 渣場(chǎng)管理站 ................................................................................................. 18 進(jìn)場(chǎng)公路 ..................................................................................................... 18 排滲及安全 監(jiān)測(cè) ......................................................................................... 18 渣場(chǎng)占地 ..................................................................................................... 19 渣場(chǎng)環(huán)境影響 ....................................................................................................... 19 4 項(xiàng)目區(qū)概況 ....................................................................................................................22 自然條件 ................................................................................................................ 22 地形地貌 ..................................................................................................... 22 地層巖性及工程地質(zhì) ................................................................................. 23 水文氣候 ..................................................................................................... 23 土壤 ............................................................................................................. 24 － 2－ 森林植被 ..................................................................................................... 24 水土流失現(xiàn)狀 ....................................................................................................... 25 社會(huì)經(jīng)濟(jì)條件 ....................................................................................................... 26 5 渣場(chǎng)建設(shè)水土流失預(yù)測(cè) ............................................................................................... 27 水土流失分析原則 ............................................................................................... 27 擾動(dòng)原地貌、損壞土地面積 ............................................................................... 27 損壞水土保持設(shè)施分析 ....................................................................................... 28 棄土棄渣量預(yù)測(cè) ................................................................................................... 28 可能造成的水土流失量 ........................................................................................ 29 預(yù)測(cè)方法及時(shí)段 ......................................................................................... 29 原生水土流失量分析 ................................................................................. 29 渣場(chǎng)建設(shè)及運(yùn)行過程中水土流失量預(yù)測(cè) ................................................. 30 可能造成的水土流失危害 .................................................................................... 31 預(yù)測(cè)結(jié)果分析 ........................................................................................................ 32 預(yù)測(cè)結(jié)果 .....................................................................