甘(gan)肅(su)(su)省天(tian)(tian)祝(zhu)縣(xian)引(yin)大(da)菜子溝水(shui)電站(zhan)(zhan)位于甘(gan)肅(su)(su)省天(tian)(tian)祝(zhu)藏族(zu)自治縣(xian)挪威(wei)村附近的(de)大(da)通河中(zhong)游河段，引(yin)大(da)入秦(qin)灌溉工程總(zong)(zong)干(gan)渠(qu)(qu)1#挪威(wei)隧(sui)洞進(jin)(jin)口前，渠(qu)(qu)首至總(zong)(zong)干(gan)1＃隧(sui)洞進(jin)(jin)口前總(zong)(zong)長4277.78m(均為(wei)矩(ju)形及梯(ti)形明渠(qu)(qu))，渠(qu)(qu)線緊靠大(da)通河左岸(an)山(shan)體坡腳布置，隨著(zhu)渠(qu)(qu)線延伸渠(qu)(qu)、河高程逐(zhu)漸拉大(da)，在(zai)總(zong)(zong)干(gan)1＃隧(sui)洞進(jin)(jin)口處渠(qu)(qu)底與大(da)通河高差(cha)已達(da)20m左右。本段渠(qu)(qu)道主要采用漿砌(qi)塊石襯砌(qi)，渠(qu)(qu)道斷面較大(da)，通過(guo)采用砼套(tao)襯進(jin)(jin)行改造(zao)減小糙率后，最大(da)輸水(shui)能力可提高到46m3/s，從而為(wei)電站(zhan)(zhan)的(de)發電引(yin)水(shui)創造(zao)了(le)條件(jian)。

天祝縣引(yin)(yin)(yin)大菜子溝(gou)(gou)水(shui)(shui)(shui)(shui)(shui)電(dian)站(zhan)(zhan)(zhan)為引(yin)(yin)(yin)水(shui)(shui)(shui)(shui)(shui)式水(shui)(shui)(shui)(shui)(shui)電(dian)站(zhan)(zhan)(zhan)，主(zhu)(zhu)(zhu)要(yao)(yao)由引(yin)(yin)(yin)水(shui)(shui)(shui)(shui)(shui)、泄(xie)水(shui)(shui)(shui)(shui)(shui)和(he)發電(dian)廠區建筑(zhu)物(wu)三大塊工程組成。為利用(yong)引(yin)(yin)(yin)大入秦渠(qu)(qu)首進(jin)水(shui)(shui)(shui)(shui)(shui)閘(zha)(zha)及(ji)總(zong)(zong)(zong)(zong)干(gan)渠(qu)(qu)引(yin)(yin)(yin)水(shui)(shui)(shui)(shui)(shui)至總(zong)(zong)(zong)(zong)干(gan)渠(qu)(qu)1#隧洞(dong)前(qian)，通過在總(zong)(zong)(zong)(zong)干(gan)渠(qu)(qu)上(shang)(shang)新建節(jie)(jie)制(zhi)閘(zha)(zha)及(ji)電(dian)站(zhan)(zhan)(zhan)進(jin)水(shui)(shui)(shui)(shui)(shui)閘(zha)(zha)，將水(shui)(shui)(shui)(shui)(shui)分至電(dian)站(zhan)(zhan)(zhan)引(yin)(yin)(yin)水(shui)(shui)(shui)(shui)(shui)渠(qu)(qu)道(dao)及(ji)壓力(li)(li)前(qian)池；電(dian)站(zhan)(zhan)(zhan)引(yin)(yin)(yin)水(shui)(shui)(shui)(shui)(shui)系(xi)(xi)統主(zhu)(zhu)(zhu)要(yao)(yao)建筑(zhu)物(wu)依(yi)次為動力(li)(li)渠(qu)(qu)首節(jie)(jie)制(zhi)閘(zha)(zha)、進(jin)水(shui)(shui)(shui)(shui)(shui)閘(zha)(zha)、動力(li)(li)渠(qu)(qu)道(dao)、前(qian)池及(ji)壓力(li)(li)鋼管(guan)(guan)，分別布(bu)置(zhi)于(yu)(yu)(yu)總(zong)(zong)(zong)(zong)干(gan)渠(qu)(qu)右側(ce)菜子溝(gou)(gou)溝(gou)(gou)口洪積扇(shan)和(he)大通河Ⅲ級(ji)階地(di)及(ji)Ⅲ級(ji)階地(di)前(qian)緣，節(jie)(jie)制(zhi)閘(zha)(zha)位(wei)于(yu)(yu)(yu)總(zong)(zong)(zong)(zong)干(gan)渠(qu)(qu)1#隧洞(dong)進(jin)口樁號4+245.255m處，閘(zha)(zha)前(qian)設漸(jian)變段與總(zong)(zong)(zong)(zong)干(gan)渠(qu)(qu)相(xiang)連接(jie)，進(jin)水(shui)(shui)(shui)(shui)(shui)閘(zha)(zha)位(wei)于(yu)(yu)(yu)節(jie)(jie)制(zhi)閘(zha)(zha)上(shang)(shang)游總(zong)(zong)(zong)(zong)干(gan)渠(qu)(qu)右側(ce)，其中心線與引(yin)(yin)(yin)大總(zong)(zong)(zong)(zong)干(gan)渠(qu)(qu)中心線交(jiao)點樁號為4+237.435m，進(jin)水(shui)(shui)(shui)(shui)(shui)閘(zha)(zha)后為動力(li)(li)明渠(qu)(qu)，渠(qu)(qu)道(dao)全長55.82m，前(qian)池布(bu)置(zhi)于(yu)(yu)(yu)壓力(li)(li)引(yin)(yin)(yin)水(shui)(shui)(shui)(shui)(shui)鋼管(guan)(guan)首部，前(qian)端(duan)與動力(li)(li)渠(qu)(qu)道(dao)相(xiang)接(jie)，節(jie)(jie)制(zhi)閘(zha)(zha)及(ji)進(jin)水(shui)(shui)(shui)(shui)(shui)閘(zha)(zha)基(ji)礎均置(zhi)于(yu)(yu)(yu)原總(zong)(zong)(zong)(zong)干(gan)渠(qu)(qu)梯(ti)形明渠(qu)(qu)渠(qu)(qu)基(ji)之上(shang)(shang)，承載(zai)力(li)(li)滿(man)足要(yao)(yao)求(qiu)；廠房及(ji)廠區建筑(zhu)物(wu)主(zhu)(zhu)(zhu)要(yao)(yao)布(bu)置(zhi)于(yu)(yu)(yu)大通河左(zuo)岸(an)高漫灘上(shang)(shang)，泄(xie)水(shui)(shui)(shui)(shui)(shui)系(xi)(xi)統主(zhu)(zhu)(zhu)要(yao)(yao)包括泄(xie)水(shui)(shui)(shui)(shui)(shui)渠(qu)(qu)及(ji)挑流鼻坎(kan)，用(yong)于(yu)(yu)(yu)排泄(xie)總(zong)(zong)(zong)(zong)干(gan)渠(qu)(qu)、電(dian)站(zhan)(zhan)(zhan)前(qian)池棄水(shui)(shui)(shui)(shui)(shui)及(ji)菜子溝(gou)(gou)溝(gou)(gou)道(dao)洪水(shui)(shui)(shui)(shui)(shui)，泄(xie)水(shui)(shui)(shui)(shui)(shui)渠(qu)(qu)布(bu)置(zhi)于(yu)(yu)(yu)前(qian)池左(zuo)側(ce)，通至大通河，電(dian)站(zhan)(zhan)(zhan)進(jin)廠公路布(bu)置(zhi)于(yu)(yu)(yu)Ⅲ級(ji)階地(di)前(qian)緣，與引(yin)(yin)(yin)大總(zong)(zong)(zong)(zong)干(gan)渠(qu)(qu)管(guan)(guan)理道(dao)路相(xiang)接(jie)，交(jiao)通便利。

根據2017年9月(yue)(yue)1日(ri)甘(gan)(gan)肅省環保(bao)(bao)廳(ting)以(yi)甘(gan)(gan)環評發【2017】37號《甘(gan)(gan)肅省環保(bao)(bao)廳(ting)關于加快祁(qi)連山(shan)自(zi)然保(bao)(bao)護區(qu)水電(dian)站(zhan)(zhan)環境(jing)影(ying)響(xiang)后(hou)評價(jia)的(de)(de)通知》，要求涉及祁(qi)連山(shan)自(zi)然保(bao)(bao)護區(qu)的(de)(de)水電(dian)站(zhan)(zhan)進行(xing)環境(jing)影(ying)響(xiang)后(hou)評價(jia)，建設(she)單(dan)位于2019年3月(yue)(yue)20日(ri)委托(tuo)甘(gan)(gan)肅新美環境(jing)管(guan)理咨詢有限(xian)公(gong)司編制了該電(dian)站(zhan)(zhan)環境(jing)影(ying)響(xiang)后(hou)評價(jia)報告書(shu)，并于2020年1月(yue)(yue)5日(ri)組(zu)織專家(jia)對項目進行(xing)了評審，現就(jiu)項目報告書(shu)及評審意見(jian)向公(gong)眾(zhong)予以(yi)公(gong)示(shi)，接受監督。

建(jian)設單位(wei)：蘭州華晟(sheng)水電有限責任公(gong)司

聯系人：陶永強

聯(lian)系電(dian)話：18189541132

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專家意見.pdf

甘肅省天祝縣引大菜子溝水電站工程環境影響后評價報告書公示本.pdf