VIEK DIA LY VIEK KHOCN VIET NPM MOI Bl \ LY VIET KAM DU AN NUI PI IAO VICA TAC DONG DEN M O I TRU^ONG VA M O T SO GIAI P H A P Hodng Thanh Van'''' SUMMARY The construction of a trade center, a handicraft[.]
VIEK DIA LY - VIEK KHOCN VIET NPM MOI Bl.\ LY VIET KAM DU AN NUI P I I A O VICA: T A C D O N G D E N M O I TRU^ONG VA M O T SO GIAI P H A P Hodng Thanh Van' SUMMARY The construction of a trade center, a handicraft workshop and mushroom plantation area is essential It will be a supply for the demand of necessary daily purchase, thus creating jobs for the locul people With the infrustriictiire construction in the project area, the living standards of the local people shall be improved, thus creating favorable conditions for the economic development and a new urban structure profile for communes in Thai Nguyen Upon the construction of the project ureu und the operution of the mine, the environment shull he affected more or less on air, soil, water However, the project owners and all relevant uulhorilies will muke sure lo mitigute the impucls I DAT VAN DE Cdng ty Lien doanh Khai thcdc che bien khoang sdn Niii Phdo dugc thdnh lap lheo Giay phep dau tu sd 2377/GP Bd Ke hoach va Dau tu cip ngdy 03/02/2004 Cd ba ddi lac ciing tham gia Cdng ty: Tiberon Minerals Ltd (Canada) vd hai doi tdc Viet Nam true thugc tinb: Cdng ty Khodng sdn Thdi Nguyen - mdt cdng ty cua Nhd nirdc vd Cdng ty Xudt Nhap khau va Ddu lu Thdi Nguyen- cdng ty tu nbdn eiia Viel Nam Tiberon sd huu phan ldn quyen lgi tham gia va la nha ddu tu chinh Cdng ty Sau nhilu nam thuc hien cdng cdc nd luc thdm dd, Cdng ty dugc cap phep ddu tu de phdt trien du dn khai thcde che bien Vonfram, Fhiorit vd edc quang da kim khac ddng thdi tiep tuc cdng tcde tham dd chuyen sdu tai khu vuc Niii Phdo, huyen Dai Tir, tinb Thai Nguyen Qud trinh boiit ddng eiia cdng ty se ddng gdp mdt phan dang ke sir pbcdl trien ciia tinh Thdi Nguyen ndi chung vd huyen Dai Tir ndi rieng, thiie day nhanh chdng qud trinh dd thj boa ndng thdn Qud trinh dd thj hod cung ddng thdi Id sir ddu tu pbcdl trien co' sd tdng, hinh thdnh vd xdy dung bd tri hgp ly cdc khu dan cu dd thi; xay dirng nbung kbu trung tdm kinh te van hod ciia dja phuong Dcdy cung chinh Id mdt nhung quan diem va muc tieu phdt trien quy hoach phdt trien kinh te - xa hdi den nam 2020 cua huyen Dili Tii' Khu tdi djnh cu xdm xa Himg San, huyen Dai Tir, tinh Thdi Nguyen Id mdt khu dan cu dugc quy bocach nham gidi quyet vdn de ddt dai nhd d va cae phiic Igi xa hdi khac cho 114 hd dan phdi di ddi khu vuc du an khai thdc khodng sdn Nui Phdo Viec hinh thdnh khu dan cu ndy kbdng nhung gdp phan nang cao chat lugng cudc sdng ciia nhan dan kbu vuc, tao dieu kien phdt trien kinh te ma cdn gdp phan tao nen bd mat kien triic dd thi mdi d edc huyen tinh Thai Nguyen Dai hgc Thdi Nguyen Hgi nghi Klioa hgc Dia ly Todn quoc; ldn th&S - Hd Ngi, 2010 967 VIEN DIA LY • VIEN KHBCN VIET NAM HOI P I A LY VIET NAM Cdniz t\ lien doanh khai ihdc che bien khodng san Niii Phdo chgn dia dicm xdy dirna du dn nim tren dja bdn xa Hiing Son hu\en Dili Tir tinb Thdi Ngu_\eii xdi tdng dien tieb Id 9.161 Muc lieu ciia du dn: I Gidi qu\et vdn de nhd d sinh bocit co' sd bcT lang plnic loj xa hdi cho edc hd phdi di ddi ndm khu N'UC khai thdc ciia du an khai tbdc md Da Kim Niii PlvK luiyen Dai Tir 2.Gdp phan tao mot khu dd thj mdi cd cudc sdng chit lugnc cao • d- cdc day phd Scich dep cd mdi trirdng thien nhien tdt va cd edc co sd ting kv thudL xa hdi dat lieu chuan tirng budc thiic day tien trinb dd thi bod cd kilm sodt JiSC AN DE CAN TRAO DOI ii.l Tdc dong ciia du an den mdi trudng I'•ir dn xdy dung Kbu tdi djnh cu xdm xa Hung San nam ven bd sdng Cdng se CO tdc ddng tich cue mang tinh lau ddi nhu: gidi quyet van de nha d cho edc hd di ddi Irong \'ung dir dn Niii Phdo ndng cao gid trj sir dung ddt lam tbiic day va gia lang qua Irinh dd thj hod cua buxeii Dai Td gdp phan quan trgng Irong sir nghiep cdng nghiep J;od bien dai hod ddt nude Ben canh dd vice trien khai dii dn cung cd the tao tiem nang tdc ddng lieu cue den mdi trudng tu nhien cung nhu mdi trudng kinh te - xa hdi ddi vdi mdt phdn dan cu xa Himg Son buyen Dai Tir phdi di chuyen, gidi loa nha cira, rugng vutiii cdng trinh ; chju ldc ddng tam thdi ve nude thdi kbi thai, dn, rung, chat thdi ran an lodn giao thdng thdi gian tbi cdng xay dung du dn Muc dich ciia viec du bdo ddnh gid tdc ddng mdi trudng Id phai xdc djnh nguon gciy d nhiem nham tim cac ngudn phdt sinh chat d nbiem, tai lugng ede chat d nbiem Qua dd ddnh gid dugc miic anh hudng cua cac ngudn thai cae chat d nbiem Idm co so de Xci}' dung cdc giai phdp gidm thieu kha niing anh hudng ciia edc chat d nhiem tdi mdi trudng Qud trinb boat ddng eiia du dn dugc chia lain giai doan: I Giai doan liln thi cdng: 2.Giai docan Iricn khai thi cdng xay dung cac hang muc co sd ting: Giai doan khu ddn cu hodn thdnh di vdo sir dung II 1.1 Cdc tdc dgng giai dogn tien thi cdng (gldl phdng mat hiing) Giai phdng mat bang qud trinh xay dung va phat trien khu tdi djnh cu la cdng viec phirc tiip va tdc ddng din mdi trudng kinh t l xa hgi Cdng lac di ddi kem lheo cdng tdc tdi djnh cu, xay dung cdng trinh mdi thay tbi cho cae cdng trinh phd bd Nhung tac ddng chinh bao gom: - Clunen ddi mdt dien tich dit ldn 9,161 cua khu vuc ma cbii ylu Id dcit ndng nghiep (khoang 54%), lam nghiep (khodngl4%) dat tho cu (khoang 18%) dit gicao Ihdng ao hd sang xdy dung nhd cira vd cdc cdng Irinh cdng cdng ciia kbu tdi djnh cu - rdc ddng ve xdm pham nbd cira : liocat ddng ciia du dn se gay dnb lurdng den tdng sd 20 hd (trong dd cd nhd mdi bing 14 nha cap nhd tam) phai di ddi phan bd lai nhd eiia dien tich tho cu bi xam pham khoang 1.81 I Vi vay du dn sc cd chinh sdch tdi djnh cu theo lieu chuan quoc ll 96a Hgi nghi Klioa hgc Dia ly Todn quoc ldn th&5 - Hd Ngi, 3010 VIEN DIA LY - VIEN KHOCN VIET NAM HOI DIA LY VIET NAM - Tdc dgng den he sinh Ihdi: Tren todn khu ddt dir dii, hien irang clui \eii Id ddt rugng liia, dal vuini tap khdng cdn rirng tu nliitin He ddng vat d ddy dugc xem Id cd mirc di) da dang sinh hgc khdng cao nen viec gidi phdng mat bang se khdng gay tdc ddng ddng ke tdi be sinh ihdi tir nhien khu vuc - Tdc ddng den cdnh t|iian mdi Irucyng: qud trinh hocat ddng ciia dir dn se lam mdl di mdt dien tich ldn thuc vat Id noi dieu bod kbi ban khu vuc, noi lidp thu cdc chdt d nhii^ni mdi Irudng khdng khi, noi ddng hod lam sach mdi trudng dal, nude d nbiem Ben canh dd Id phd vd lam ihay ddi su cdn bang sinh thdi da ed - Tdc ddng ve xam phcTin den md ma, lin ngudng : Tren khu ddi trien khai du dn cd tdng sd 19 md (14 ngdi md xay, ngdi mdi ddt) ciia dan cu xa Himg Son se bj di ddi.Theo quan niem ciia ngudi Viet Nam, md la noi rat linh thieng, vi vay viec ddng thd hoac di ddi md sc gay dnb hudng dc;ii tdm ly ngudi dan kbu vuc nhdl Id nluing gia dinh la chii sd buu nluing ngdi md ndy Tuy nhien thue tc, nhieu kinh ngbic-m d Viet Nam cho thdy neu cd chinh sdch gidi phdng mat bang vd tdi djnh cu hgp ly thi ddi sdng ciia cdc hd bi dnb hudng hai cd dieu kien cdi thicn ban so vdi trirdc cd dir dn // 1.2 Glal dogn trien khai thi cong xiiy dirng Trong giai doan gdm thi cdng cdc bang muc cdng trinh sau: Di ddi nhd cii'a, tai sdn, chat cay cdi; Xay dung he thdng cap thodt nude; Xdy dung dudng giao thdng ndi bd; Xdy dung be thdng dien ba the; Xay dung cac cdng trinh kien tnie Thdi gian lien hdnh cdc hang muc tren dir djnh thdng, thdi gian ndy se gdy niurng lac ddng lieu cu'c ddi vdi mdi trudng Niurng tdc ddng den mdi trirdng eiia giai doan clui yen do: Bui viec chat cay, van tdi, san iii; Tieng dn cae phuong lien tbi cdng; Khi thdi eua edc phuong tien thi cdng; Thay ddi canh quan khu VUC ' lay ddt de san nen; Chat thai Idng ciia ede phuong tien; Chat thdi ran qua trinh thi cdng C) nhiem mdi trudng khdng * Bui Trong giai docin thi cdng san Lap - xay dung cdc being muc cdng trinh, tren cdng trirdng tap trung mdt lugng ldn cdc phuong lien thi cdng, sir di lai ciia cdc phuong lien giao thdng van chuyen nguyen vat lieu (dal, da, xi ;mdng, cdi, ) nen ndng bui se lang vugt lieu chudn nbieu Idn cho phep Thdnh phan chii yeu la bui ddt dd, xi mang, cdt, Ndng bui dnb lurdng true tiep tdi cdn bd, cdng nhan tbi cdng, ngodi cdn anh hudng tdi edc hd dan cu d dgc hai ben dudng ede phirong lien giao thdng van chuyen di lai * Khi thdi Khi thdi thodt tir cdc phuang tien thi cdng chuyen chd Thanh phan ciia thai gom: bui, CO, SO:, NO^, bo'i xang Cdc nicdy san lii su dung nguyen lieu Id ddu diezel cdng suit ldn va boat ddng lien tuc, khu vuc dir dn cd dja hinh thodng, dd thai phdt tan kbdng dnb hudng den mdi trudng xung quanh Tai lirgng vd miic anh hudng cuu cue yeu td guy d nhiem mdi Irirdng khdng khi: Hgi ng-hi Khoa hgc Dia ly Todn quoc lan thif - Hd Ngi, 2010 969 VIEN DIA LY • VIEN KKC*CN VIET KAM HOI DIA LY VIET NAM De ddnh gid muc d nbiem mdi trudng xung quanh, can xem xet tinh todn n\(xc lan tru>ln eua cdc chat d nhiem mdi trirdng xung quanh Ngudn tdc ddng Idn nhit din mdi Irudng khu ^•u'c giai doan la boat dgng van tai va dugc xem nhu ngiidn dudng Ngudn dudng (ngudn di ddng): la ngudn cac phuong lien thi cdng chuyen did gay Tren thue te nghien ciru khu virc xay dung du an, cae yeu td tugng, dja hinh khu \ uc (da dugc de cap d phan trudc), dua tren md hinh tinh khulch tan chit nhilin mdi trudng kbdng ddi vdi ngudn dudng de xac djnh muc lan truyin chit d nhiem mdi trudng khdng Bdng 2.1 He so d nhiem doi vdi cdc loai xe cua mot so chdt d nhiem chinh Loai xe Xe to & xe khach Xe tai dgng ca Diezen > 3.5 tan Xe tai dong co Diezen < 3,5 tan Mo to & xe may Don vi k2/ 1000km kg/ 1000km kg/ 1000km kg/ lOOOkni CO 7,72 28 16,7 SO, 2,05S 208 1,16S 0,578 NO, 1,19 55 0,7 0,14 Nguon: Trung tdm Quan trac vd Bdo ve Mdi trirdng Thdi Nguyen S: ham lugng luu buynb xang, dau (ham lugng luu buynh xang, diu la 0,5%) Vdi mat xe nhu tren, dua tren phuo'ng phap xac dinh nhanh ngudn thai ciia cdc loai xe theo "he sd d nhiem khdng khi" can cir vao tai lieu cua Td chirc Y tl Ihl gidi (WHO), sd tay ve Cdng nghe mdi trudng, tap 1: "Ddnh gid nguon d nhiem khdng khi, nude \d dcif, tdi lugng cdc chat d nhiem cdc phuang tien giao thdng thdi khu \'irc md cd tuyen dudng van tdi di qua (gia thill toan bd lugng xe van tai dcil biin bdc tu be mat khu dat xay dung du an cung di theo tuyIn dudng nay): ECO = 28x 49 kg/1000 km.h = 0,3811 mg/m.s ES02 = 49 X 20 X 0,5/100 kg/1000 km.h = 0,001 mg/m.s ENOx = 49 X 55 kg/1000 km.h = 0,748ing/m.s Thay cdc gid trj vao cdng thirc tinh loan, ndng cac chit d nbilm d Ccdc khoang cdch khde nbau so vdi ngudn thai (tim dudng) dugc thd hien d bang dudi day: So sdnh vdi TCVN 5937:1995, nhan thiy ring bdn kinh tcdc ddng ciia boat dgng van tdi giai doan san lap mat bdng la m so vdi tim tuyIn dudng van tdi dit, cat Tai^day ndng NOx da dat gin lieu chuin cho phep (0,4 mg/m'), ndng cac chit d nhiem khac deu nhd hon tieu chuin cho phep tai tim tuyen dudng van chuyin Trong dd khoang cdch gin nhit tii' tuyIn dudng tdi nha dan khu vuc la 20 m, nhu vay khu dan cu se khdng bj dnb hudng NOx boat ddng van tai eiia du dn thdi gian thi cdng Hai ben dudng van chuyen, khoang cdch tir nha dan tdi dudng diu cd trdng ca\' vi \ ay se ban che dugc ddng ke su phdt tan eiia cac chit d nhiim mdi trudng khong tdi khu vuc dan cu dang sinh sdng * Tieng dn Trong giai doiin thi cdng xdy dung cdc bang muc cdng trinh, su boat ddng ciia cdc phuong tien thi cdng xdy dung se gay nhung tiing on va chin ddng ldn Tai khu virc thi cdng tieng dn ed thi vugt qua tieu chuan tir 20-30 dBA Dk du bao mirc dn d "970 Hgi nghi Khoa hgc Bia ly Todn quoc ldn th&5 - Hd Ngi 2010 EiOI DIA LY VIET NAM VIEN DIA LY - V I E N KII&CN VIET NAM mdi tnrdng xung quanh cdc ngudn dn gciy kbu vuc thi cdng thudng dua Vcio tinh todn lheo cdc md hinh lan truyen tieng dn Tieng dn tii' ddng xe chay tren dudng cd the coi nhu ngudn dudng, ngudn diem bay ngudn trung gian giua ngudn diein vd ngudn ducing Neu S>=200m cd thi; coi la ngudn diem, S pbcdl dien, mdy nen Ihi lip dat cdc ihill bj gidm dm Trong trudng hgp khdng the giam ngudn dn tbi bdo \c cdng nhan Idm \ iec d mdi trudng dn bang each su dung cac dung cu chdng dn ca nhan nhu mil tai \d bao lai Lira chgn don vj ihi cdng ed thiet bj va phiro'ng tien thi cdng co gidi bien dai cd kv thuat cao, Cdc phuong tien van chuyen ban che dimg cdi kbu dan cu Dua ljch trinh tbi cdng hgp ly tang sd ca lam viec ngcdy 1dm gidm mat cdc loai phuong lien thi cdng ciing mdt thdi diem Cue bien phdp gium thieu tdc ddng ddi vdi moi trudng nude Cdc phuong lien boat ddng tren cdng tnrdng den ban bdo dudng hoac thay diu dugc dua tdi cdc gara chuyen nghiep de xu ly cdc vdn de lien quan den ky thuat Khdng thuc hien thay ddu hay sira chiia tai khu vuc de ban cbe tdi mirc thap nhat sir roi vai cua edc loai ddu mdy cd eluia thdnh phan doe hai mdi tnrdng Trong Irudng hgp bit kha khdng edc locai dau mdy Ihdi dugc thu gom vao mdt lining thu gom (don gidn Id mot thimg phi dung lieh 2001 dat tai vj tri nhat djnh va ed the tdi lan dung dau de Irdng cdpba chdng dinh xdy dung ede cdng trinh) Nirdc thdi sinh boat ciia cdng nhan thi cdng tren cdng trudng (4,5mVngay) dugc thu gom \'do cdc hd tam ed dung tich 15m" Tai day cac qua trinh phan buy vi sinh, ngdni thdm than va bay hoi tir nhien se 1dm sach va giam khdi lugng nude Trong trudng hgp phdt sinh nhieu miii hdi thdi ed the bd sung cdc die pham E.M de lliiic ddy nhanh cdc qud Irinh phdn buy Khi hodn thdnh cdng trinh, cdc hd tam ndy phdi dugc Idp ddy bang dal tai khu vuc Cdc bien phdp gidm thieu tdc dgng cua chdt thai ran Thu gom dat dd vat lieu xdy dung, vd cae bao bi xi mang, cdt ep, gd dugc dua vdo cdc vi tri quy djnh tren mat bang du dn de tdi su dung vao cdc muc dich khac Rdc Ihdi sinh boat cd ngudn gdc thuc phdm can phan loai, thu gom vdo vj tri quy djnh \d dua di xir ly hgp ve sinh (hgp ddng vdi cdng ty mdi trudng dd thj van chuyen den bai luu giir rdc ciia Dili Tu) Ddi vdi cdc phe thai cd thi tai sir dung hoac tdi che nen ldn dung hay thu gom rieng de dem xir ly Khi Ucao vet biin thdi dugc dua vdo cac khu vuc hdnh lang trdng edy xanh tao chdl dinh dudng cho Ccdy phdt trien H.2.3 Cdc bien phdp gidm thieu tdc dgng glal dogn cdng trinh dl vdo sii dung I Ddi vdi mdi Irudng nude Nirdc imru chuy trdn Nude nura chdy trdn ciia khu vuc dan cu kbdng can xu ly cd thi thai thang vao he thdng thodi nird'c chung bao gom edc tuyIn thodt nude ngang vd tuyIn thodt nirdc dgc, sdng Cdng tai diem gdn ciu Huy Ngcic Tuy nhien dl ban chi sir ling can he thdng cdng tai edc dc-n tii;p giap gitia cae nhdnh cdng va tai cira cdng ihodt tren cac he dudng cd bd Iri cdc hd lang can (ho ga) va song chdn rdc Lugng rdc va can dugc dnih ky \et l^n dem di chdn lip hoac bdn Ccd\' xanh hai ben dudng Nude thdi sinh hoat 976 Hgi nghi Khoa hgc Dia ly Todn quoc ldn th&S - Hd Ngi 2010 VIEN DIA LY - VIF J KHOCN VIET NAM HOI DIA LY VIET NAM Nude thai :,inli boat cua khu tdi dinh cu dugc Idn Iugt xu ly c|ua he ihdng: * Vir ly cue bg: nude thai sinh hoat phdt sinh lai mdi can hd mdi cdng trinb cdng cgnu(tru'diig hgc nlui Ire nidu gido ehg ) deu dugc phdn ludng de xu ly: So' dd ngu}cn ly cua be lii hoai nhu sau: ~i r So be tu' hocTi Be til' hoai Id cdng trinh ddng thiri 1dm chirc ndng: lang vd phdn huy can king Be xu ly dugc thiet ke vdi cdu lao nhu hinh tren, bao gdm ngdn: ngdn xu ly ycm khi, ngan lang ngang vd ngan xir ly hicu lien Can king dirge giir lai be lu - lining, dudi dnh hudng ciia cdc v j sinh vdi ky khi, cdc chdl huu eo bj phdn huy, mdt phdn tao thdnh ede chdl khi, mdt phdn lao thdnh cdc chdt vd co' hod lan Nude ihdi vdi lluii gian luu lir - iigdv', iludi tdc dung ciia cdc \ i sinh vat ky khi, edc ldc nbdn d nhiem dugc phdn buy rdt cao Nude lir mdi nhd \e sinh dugc thu gom xu ly lai be' Ur hoai lheo nguyen ly Idng trgng lire, vi sinh yem qua cdc ngan nhu hinh ve Bim Ihdi lit cdc ngdn sc dugc cdc hd gia dinh nao vet dem bdn edy bode bdn rugng * A7/' ly tup trung: Nude thai sinh boat sau dugc xu ly cue bd lai ede can hd hdm lugng cdc didt bdn da gidm di ddng kc (BOD vd vi sinh vdi cd the gidm di 50-70% so vdi nude thai ban ddu) lire Id cdn khoang 150 - 250ing/l sc di theo luyeui dng rieng ve mdt tram xu ly lap trung Nu'dc thdi trudc chdy vdo cdc be eluia deu di qua song chan rdc nhdm loai bo rdc ihd, Ircn dudng thodt nude cd bd tri Ccdc hd ga nham lang can thd, cdc hd ga cdch 20m Ddi vdi mdi trudng khdng Bo tri cay xanh xung quanh nhd, hai ben he dudng vd tai dai phdn cdch giiia dudng hai chilu de ban cbe bui vd tieng dn Khodng each edy xanh tren he phd la 5m/eay Cdy xanh dugc quy hoach vd irdng d nbiing khu ddt trdng khu vuc cdc cdng Irinh cdng cdng nlur nhd Ire, mau gicdo, trudng hgc, trcani y te, ben d Id cdng vien Ty le cay xanh so vdi idng dien tich dii dn Id 10,82% Cdc bien phdp xir ly chdl ihui run Tai khu dan cu se chia cdc td ve sinh Ur quan ede hg gia dinh cbia \ e sinh quel dgn khu vuc he phd ddm bdo ve sinh chung Thdi gian xay dung cdc can hd khu ddn cu thugc vdo cdc hd tdi djnh cu, dd cd thi keo ddi Nhung cdng tdc xdy dung cdc can hd khu ddn cu dam bao cho thai gian thi cdng ngdn nhdl, rdc thai xdy dung phdi dugc thu gom triet de trdnh gay d nhiem mdi trudng xung quanh Hgi nghi Klioa hgc Dia ly Todn cpioc ldn th&o - Hd Ngi, 2010 977 VIEN BIA LY • VIEN KHOCN VIET NAM HOI DIA LY VIET NAM Bao ve lu cdc cdng Irinh sau xdy dung diru vuo sir dung Cdnsi Irinh xu ly nude thdi, chat thai ran se dugc ban qudn ly du dn ciia Cdng iv bdn liiao lai cho dja phuang (UBND hu>'en Diii Tir) Dja phuang cd Irdch nhiem qudn Iv \ ii'van hdnh lheo dimg quy djnh ddm bdo xir ly nude thdi dat lieu chuan mdi Irudng TuN'en truyin gido due y thirc nbdn dan ciing tham gia bdo ve tdi sdn Xd hdi chii nuliTa Cd edc quy djnh vl ve sinh mdi trudng va bdo ve tdi sdn chung khu dan cu Phdng ngira vu gidm ihieii cue sir cd Cdc bien phdp phdng chdng set, gid bao, hi kit dirge dp dung nlur: Ldp dat he thong thu cdt Idi chdng set theo dinig tie-u chudn hien hdnh tai Ccdc cdnu trinh cdng cdng, cdn kiem tra he llidng cot Ihu Idi Inrdc nuia mua nhdm sira eluia kjp thdi nhung hdng bdc Thilt kl cao san nen khdng die khu vuc Id cao ngap kit khu vuc cao san nIn thiet kl Id 52.3m (\ i tri cao nhat) \'a 50.40 (vj tri thdp nhdl) doc san nen thiet ke la i = 0,4% Xdy dung he llidng ranh thodt nude ddm bdo thodt nude nhanh trdi mua khdng gay img ngap Xdy dung ke cho khu vuc bd sdng chieu ddi 200ni III KET LUAN Dii dn Nui Phao VICA la dii an khodng sdn tam ca ldn nhat Ddng Nam A Dir dn dugc lrit;n khai tren dja bdn huyen Dai Tir tinb Thdi Nguyen, da cd nhung dnh hudng nhdl djnh den mdi trudng cdnh quan dja phuong Mac dii dir dn cd tdc ddng dnh hudng den sinh hoai ddi sdng ciia ngu'iTi ddn dja phuong, dnh hudng dc;ii cdnh quan sinh thai, song du dn cung mang lai nluing tdc ddng lieh cue den ddi sdng ngirdi dan noi dcdy Khdng chi Uao dicu kien cho ngudi ddn cd Ihem vice lam lai chd, ma cdn nang cao mirc sdng eua ngudi di|n, ddp irng yen cdu giai doan cdng nghiep hod, bien dai hod ddt nude TAI LIEU THAM KH.40 Bdo cdo hien trgng mdi trirdng tinh Thui Ngiiydn num 2004 vd nam 2005 Quy hogch phdt Irien kinh le - 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