湖南郴州安仁县永乐江国家湿地公园湿地功能提升和生态环境保护修复项目招标公告

1???б?????
???б????????????????????????????????????????????????????????? ???????????????  ??????????2021??161?? ??????裬??????????????????????????????? ???????????????? ???б??????????????????б???????? ?????????????????????????????б????????????????????й????б?
2???????????б?Χ
2.1 ???????????????????????????????????????????????????????????
2.2 ?????????????????????
2.3 ??????????????????????????????????????????????????????????????????????????????????????????????·???????????????????????????????????????????????????衣
1?????????????
???????????1120m,???????K29+431-K30+600,????????λ????????????????????????????????￡????????·?????????????3.0m,?????????￡??????±??1:2.5,????K30+500-K30+600?????±??1:2.0????????????????????к????????????????????????????????????????????????????
2???????·????
??·???????312.455m,????4??????????????????R=40??R=250??R=101.7434??R=41,??????????·(????????),?????·??????г????20km/h????·?????????????·??·?????6.5m(2m???е?+4.5m???е?),??????+???????е????á???·???е?·???????2%,???е?·???????2%,??·???????3%??????(????????)???·???KO+025-KO+267?β???7m???????????????????е?·???????·?棬?????59(??????????),?г???????軨????·???????е?????????е?????????21cm????????·??????·??????  
3?????????????
???????19m,?????13m??????????????彻???????0.75m,???9.0m(2.0m???е?+5.0m???е?+2.0m???е?)??????????4cm??????SBS??????????AC13C+5cm?????????????AC-20C,?????????1.3m?????????????????2???壬5???а壬????0.75m,????????1.3m??
4???????????????
????????????????????????????????λ???·??????236.239m,????DN600??HDPE?????????????????????????????8????顢??????????????????1.8m;??????λ???·??????250.267m,????DN600????ī?????????????9????顢?????????????????????е???????·???????????????C25??????
5????????????
??????????????????????????λ???·???λ??????????151.6m2;?????λ???·???λ??????????149.9 m2;??????λ??????????????????????????795.6m2??????????????????????????????????????????????1097.1m2??????????7?á?????18?á??????108?á????27?á??????95.8 m2????????643.1 m2?????????20?á?
6?????????????
???????????????????????????3???????????м???????????????????????????????????????????????????????????????????????????????????????????????????
2.4 ?б?Χ????λ????????????????????????????????????????????????????????????????????????????????????嵥???б???????????λ????/??????????210????????
2.5?б??????14426957.59??????н????????13739959.61????????686997.98???
2.6 ?????????????????????????淶????????????????????????????????
2.7 ???????  ??    ??
3?????????????
3.1 ??????????????????????????Ч????????