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项目名称：S220泾源(yuan)至秦安(an)公(gong)(gong)路(lu)鱼(yu)池至莲花段(duan)（同(tong)步(bu)实施阳(yang)至大庄、韩店(dian)至良邑）工程96公(gong)(gong)里。包(bao)括1条主(zhu)线(xian)(xian)(xian)任务和4条支(zhi)线(xian)(xian)(xian)，其中：主(zhu)线(xian)(xian)(xian)剧(ju)情(qing)南湖(hu)(hu)至徐城段(duan)路(lu)线(xian)(xian)(xian)地(di)图特点(dian)(dian)(dian)是在(zai)庄浪县(xian)南湖(hu)(hu)镇(zhen)(与(yu)S218线(xian)(xian)(xian)K172+480处(chu)(chu)相接(jie)(jie)(jie)) ， 途径高房村(cun)(cun)(cun)、石(shi)阳(yang)村(cun)(cun)(cun)、石(shi)峡村(cun)(cun)(cun)、卧(wo)龙镇(zhen)山集村(cun)(cun)(cun)、阳(yang)川(chuan)镇(zhen)红土坡村(cun)(cun)(cun)、岳坪村(cun)(cun)(cun)、李家(jia)(jia) 咀村(cun)(cun)(cun)、刘湾(wan)村(cun)(cun)(cun)、下堡村(cun)(cun)(cun)、新沟村(cun)(cun)(cun)，终(zhong)点(dian)(dian)(dian)至万泉(quan)镇(zhen)徐城村(cun)(cun)(cun)（与(yu)S304线(xian)(xian)(xian)K172+480处(chu)(chu)相接(jie)(jie)(jie)，平天(tian)界），总(zong)(zong)长52.325公(gong)(gong)里；支(zhi)线(xian)(xian)(xian)l卧(wo)龙镇(zhen)段(duan)路(lu)线(xian)(xian)(xian)起(qi)(qi)点(dian)(dian)(dian)接(jie)(jie)(jie)主(zhu)线(xian)(xian)(xian)K18+663.187 处(chu)(chu)，终(zhong)点(dian)(dian)(dian)至卧(wo)龙镇(zhen)幼儿(er)园门(men)口，全(quan)长O.903公(gong)(gong)里。支(zhi)线(xian)(xian)(xian)2阳(yang)川(chuan)至大庄段(duan)路(lu)线(xian)(xian)(xian)起(qi)(qi)点(dian)(dian)(dian) 接(jie)(jie)(jie)主(zhu)线(xian)(xian)(xian)K35+306.428公(gong)(gong)里处(chu)(chu)，途经(jing)西坡村(cun)(cun)(cun)、杜家(jia)(jia)村(cun)(cun)(cun)，终(zhong)点(d👍ian)(dian)(dian)至大庄镇(zhen)政(zheng)府(fu)所在(zai)地(di)（与(yu) 大庄镇(zhen)街(jie)道相接(jie)(jie)(jie)），全(quan)全(quan)长约9.649公(gong)(gong)里；支(zhi)线(xian)(xian)(xian)3韩店(dian)至良邑段(duan)路(lu)线(xian)(xian)(xian)起(qi)(qi)点(dian)(dian)(dian)位于韩店(dian)镇(zhen)试(shi)雨村(cun)(cun)(cun)(与(yu)S304线(xian)(xian)(xian)“T”型相接(jie)(jie)(jie))，途经(jing)试(shi)雨村(cun)(cun)(cun)、刘河(he)村(cun)(cun)(cun)、潘家(jia)(jia)咀、卢(lu)洼(wa)村(cun)(cun)(cun)、史川(chuan)村(cun)(cun)(cun)、张家(jia)(jia)新庄、庙川(chuan)村(cun)(cun)(cun)、文(wen)家(jia)(jia)峡、鱼(yu)儿(er)咀村(cun)(cun)(cun)、秦山村(cun)(cun)(cun)、结束至永宁乡，总(zong)(zong)长26.588公(gong)(gong)里；支(zhi)线(xian)(xian)(xian)4苏(su)家(jia)(jia)河(he)至郑(zheng)河(he)段(duan)路(lu)线(xian)(xian)(xian)起(qi)(qi)点(dian)(dian)(dian)位于韩店(dian)镇(zhen)苏(su)家(jia)(jia)河(he)（与(yu)支(zhi)线(xian)(xian)(xian)3韩店(dian)至良邑段(duan)K5+405.307处(chu)(chu)相接(jie)(jie)(jie)），前提条件卢(lu)洼(wa)村(cun)(cun)(cun)、贺家(jia)(jia)峡、郑(zheng)河(he)乡，始发站(zhan)接(jie)(jie)(jie)整(zheng)体规划中 的关山大景区云(yun)崖(ya)寺(si)公(gong)(gong)路(lu)，全(quan)长6.535公(gong)(gong)里。

全(quan)部(bu)应用三(san)阶段(duan)一级公(gong)路技术工艺准(zhun)则，设计(ji)(ji)制作(zuo)时间(jian)40公(gong)里/时间(jian)，路基(ji)(ji)(ji)(ji)施工：宽(kuan)度(du)(du)基(ji)(ji)(ji)(ji)本上值8.5米(mi)(mi),线条(tiao)(tiao)受限(xian)制路口(kou)设计(ji)(ji)网络速度(du)(du)选择30公(gong)里/小(xiao)，填(tian)方路基(ji)(ji)(ji)(ji)总(zong)宽(kuan)运用7.5 米(mi)(mi)。路面结构类型(xing)为：主线、四条(tiao)(tiao)支线新建及(ji)旧(jiu)路🧜加宽(kuan)部(bu)分(fen)路段(duan)为5厘米(mi)(mi)(AC-16)中粒(li)式沥(li)青(qing)混疑(yi)土混疑(yi)土整(zheng)📖体面层(ceng)+20mm厚(5%)水泥稳定(ding)(ding)碎(sui)石(shi)基(ji)(ji)(ji)(ji)层(ceng)+20厘米(mi)(mi)厚(5%)水泥 稳定(ding)(ding)砂砾底(di)基(ji)(ji)(ji)(ji)层(ceng)十(shi)15厘米(mi)(mi)厚天然奇砾垫(dian)层(ceng)；主线、四条(tiao)(tiao)支线罩(zhao)面路段(duan)为5理米(mi)(mi)厚 (AC-16)中粒(li)式沥(li)青(qing)混凝(ning)土面层(ceng)+20厘米(mi)(mi)厚(5%)水泥稳定(ding)(ding)碎(sui)石(shi)基(ji)(ji)(ji)(ji)层(ceng)+20厘米(mi)(mi)厚全(quan)深(shen)式就地冷再生底(di)基(ji)(ji)(ji)(ji)层(ceng)；主线任务、几条(tiao)(tiao)支线罩(zhao)面高速公(gong)路为3厘米(mi)(mi)厚沥(li)青(qing)表面处治。桥梁设计(ji)(ji)荷载公(gong)路-Ⅱ级，大、中桥开(kai)发洪涝次(ci)数1/100，小(xiao)桥、涵洞(dong)、路基(ji)(ji)(ji)(ji)设计(ji)(ji)洪水频率(lv)1/50。

项目概预算(suan)：总投资项目21600.1173万元。