渠道工程(K3+850至K6+200)段起點(diǎn)從xx鎮(zhèn)xx山岔灣開(kāi)始,經(jīng)xx隧洞(長(zhǎng)度1196.41米)到xx溝,又穿xx隧洞(長(zhǎng)度876.48米),到xx灣,沿線總長(zhǎng)度2350.0米。xx隧洞(K3+868.586~K5+065)段設(shè)計(jì)開(kāi)挖橫斷面尺寸為(2.10×2.60)米,鋼筋混凝土C20襯砌厚度為0.30米;花土崗隧洞(K5+186.5~K6+063)段設(shè)計(jì)開(kāi)挖橫斷面尺寸為(2.0×2.50)米,鋼筋混凝土C20襯砌厚度為0.25米;