新建蜂巢網(wǎng)箱防洪墻12.02km(左岸6.15km,右岸5.87km);8#公路橋至下游大橋下游段,新建現(xiàn)澆砼防洪墻4.71km(左岸1.49km,右岸3.22km);維修加固己建防洪墻0.15km;10條支溝溝口防護(hù)新建蜂巢網(wǎng)箱結(jié)構(gòu)防洪墻0.9km,F(xiàn)澆砼防洪墻標(biāo)號為C20,墻高1.80m,頂寬0.40m,基礎(chǔ)埋深1.8m;直立式蜂巢網(wǎng)箱防洪墑高1.50-1.80m,頂寬1.00-1.50m,基礎(chǔ)埋深1.80m,墻頂設(shè)0.3X0.5砼壓頂;沿堤線配套新建排污管6座,踏步15座。