nAi Mdl QUAN IJT
XEN CAY NHA C A O TANG C O LA HIEM HOA C H O C A O T R U N G TAM D O TH! ?
PGS.TS. NCSUYEN HONG THgC
Khu Chung ci/40 ting KBT Unh Bim
TdM T^T: Nhi cao ting c6 tli^ duqc xem & 'C6 miy t^o ra cua c&' hoat dOng lit hifu qui trong nin ldnh ti dA th|. Tuy nhien khdng nSn col chiing ddn giin chi \i sd gla ting khOng gian xiy di/ng theo chieu cao vdi mot difn dch dit han chl, mi chung cd nhiing ySu clu khi nghiem ngit cln tuin Old trong qui trlnh diiet kl vi thi cdng.
1. N H C N G CHANG OlfdNG B A U TIEN - NHAN LOAI VA VIET NAM...
Nhk cao t4ng ra ddri do he quk cua vigc tdng dkn s6 dd thj. thieu dit dai x§y dung vd gid dit cao. ThS lo^i c6ng trlnh ndy cho ph6p tao ra nhifiu t§ng hay nhi^u kh6ng gian sO dyng hcfn. tlin dl.jng d^t nhiiu hon. chira dupc nhi4u hogt dOng vk nhieu ngudl hon trong cung mOt khu dit.
NSm 1891. vdi toi nhk 17 tilng Monadnock d Chicago (kiln true sir Burnham & Root) cao 64m, cao nhdt thfi gi6i, dinh cao cCia cong nghg xay gach nhimg lai khdng djnh hu^ng di tien phong cita nha cao tdng trong t)6i canh cdc d6 th| cdng nghigp dang lung tung vh m6 hinh phdt triln. khi dutmg ddu vdi sir tich ty ddn sd nhanh chong d khdp cdc dd thj.
Ndm 1885, ky su Baron Jenny ngufli My da tr6 thdnh ngutt sang tao ra nhd choc trdi hign dai khi dng Sli dyng khung vd dim thgp cho tod ntid Home insurance Building d Chicago v« chigu cao 55m.
Ngay ldp tiic, thl gidl hign dai nhan bill rd con dudng cfing nghg d l phdt triln nhanh chdng loai hinh ndy.
Nira sau thl ky XIX, cimg vdi sir phdi minh ra thang mdy ciia Elisha Otis ndm 1853, khung thfip da Idm cho nhd cao tdng trd thdnh hign thyc. Nlu nhi/ nhd cao tdng d My thl hign tinh ddng cdp vd sir chgy dua giiia cdc t^p dodn tdi chinh. thl * chdu Au tniyin thdng Igi ygu cdu cdc quan thl dd thj phdi tuan thu
NOUdi XAY D 0 I O s 6 THANG 1 a 2 • 2017
theo quy md chung. 0 Paris, ngutri ta dd timg hgn chl chilu cao cua nhd cao ting Id 100m di dkm bko tlnh ddng nhit ciia canh quan, & BOc chilu cao nhd oao tdng dui?c gidi han bdng khodng cdch gioa nd vdi cfing trinh bgn canh. Trung tdm ijch sir cua Anh vd Phdp cdn cdm luon cd nhd cao ting d l bdo tin linh hin thdnh phd,
Nhd cao ting Id "Cdi mdc cua thdi dgi chCing ta"
(Huxtable), Id mpt hi^n tutmg thii vj nhit cOa thi ky XX. nhimg vdn d l /dm the nko ijS thiit ki nhii cao ting chua bao gid difl^ giai quylt m$t cdch thyc sy.
Sau hon mOt trdm ndm. sir hinh thdnh hai trdo luu lufin song hdnh. dli l$p v l nhd cao ting dd thj dd cd thl nh$n thiy bing con mdt thudng cua dgi ehting;
1. Trdo luu dip tyc Idm mdl t h l togi ndy d l nhd cao tang mai Id bilu tupng cOa tri tu$. cdng nghg. thim my vd vdn minh vdi yfiu cdu ngdy cdng nghidm ng$t hon v l k? thu|t, khdng gian, xanh, chit lupng xdy dyng vd tifiu chuln hogt ddng. NhOng t6 hpp da ndng sifiu cao ting tlch ty hogt dfing d l thay thl cd m^t thdnh phi nhung dd thfing mlnh d l ty lo ndng iuijng vd nutJc, Igi trdn diy mdu xanh vd cdnh quan thifin nhign dd biln udc mo "Thdnh phi trong thdnh phi"
cita nhOng nhd thi^t k l vifin tudng giOa t h l kjr XX trd thdnh hign thyc.
_ 2. Trdo luu biln nhd cao ting, don gidn, chl thdnh cfi mdy thuong mgi kilm tiln cho gidi ddu tu vdi svr ding thu$n oua chlnh quyin thilu tim nhin dfi thj. Xdt xa thay, dli tupng cita trdc Itru ndy Id nhong odng chiic dn lupng, ddn nghfio dd thj gdng gdi mua m|t mdi dm - cdn hg gid rfi d l muu sinh. ChOng ndm trong nhOng chung cu chpc trdi bj chO diu tu bd qua tifiu
XEN CAY NHA CAO TANG...
chuin xdy dimg ca bctn, de lai hiem hpa cho d6 thj v l an ninh, cOu hg, dhAy no, thang may, qu4n ly, bao tri... C6n th&ih ph6 duoc hudng mot thii 'rac do thf rat ISu d^.
Vigt Nam 1^ nutfic dang d6 thj hda theo chi§u cao t^i trung tdm vd xdi dd d ngoai vi, ti§c thay lai c6 nhidu sdn phim loai 2 ndy vdo bac nhdt, dd thj cung vl thl kdm bin vQng. Oang ngac nhien Id cd nhd cao tdng gid th^p vk gid cao ddu d cung trdo luu thuong mai ndy. d Hd N<^i, khu d6 thj mdi Linh £)dm dang em d§m vdf 80 ha hd nudc. cdy xanh, cdc chung cu 11 tang theo thidt kd nhi^t ddi hda vd f^dng gian kieu phd - c^ng abi^ thdn thi§n, bdng bj "xdm ldng" bdng khu chung cir HH vdf 12 toa lien kd", cao limg lung 40 ting, dvdo danh mi^ic khdng ptiep xay dung vd khdng bdo ddm phdng chdy cua Hd Ndi (da cdng bd). Khu cao ting ndy dUci ddn s6 tai chd ldn gdp 3 ldn ciing v6< nan ket xe tdc dutmg vd du xdy trdi phdp nhung nd chilm tron l^u ddt cdng ci>ng vd djch vg ddi sdng cua Unh Ddm, phd vd quy hoach ban ddu ma khdng mdt d p chfnh quydn ndo Idn tilng. R6i Royal City tai vdnh dai 2, xen cay trdn ddt cua chl mdt nhd mdy ca khf, nhung do tdn dgng <^idu cao vd mdt dp bit thudng dua thdm duoc gdn 50.000 ddn vdo sinh sdng. Khu ndy cung Qputra xdy nhCmg bdc tutmg rdo kidn co ngdn cdch xa h$i cua cu - mdi, gidu - nghdo d l phdn bi$t ddng d p 'dd thj cao d p ' kidm ldi, nhung cung gdy tdc cgc t n cho ddn cu Nga Tu Sd vd chi sau 4 ndm ho^t ddng, du Id ddn cu d chung cu cao cdp cung phdi bilu tinh ddi siJea thang mdy do quan tri ydu kem.
Ody cung Id nhumg hilm hpa v l phdn hda gidu ngheo trong xd h^ md khdng m§t con dudng phdt triln ndo ddm lua chi;>n. Hd Ndi thdf gian ddu d p phep cho Time City yd Royal City cung hiia hen vdf nhdn ddn Id cdc dhii ddu tu se cdi tao cho TP vdnh dai 2 trdn cao
tir bd sdr>g Hdng ddn Nga Tu Sd. Sau 10 nam chi thay Chung cu mpc, cdn vdnh dai tren cao chdc cd cdn...
tren gidy. ^
2. TIEU CHUAN VIET NAM K H 6 OAM BAO THAM DjNH SU c 6 KY THUAT NHA CAO TANG
Odu ndm 2013, Bp Xay dung ra Quylt djnh 212 huy bo 169 tieu chuan xdy dung khdng cdn phu hpp, trong dd cd TCXDVN 323:2004 vd Nha cao tdng. Oidu nay, ddng thdi vdf vide d n phdi cd cdc tidu chuan thidt k l Nha cao tdng mdf ttiay t h l ngay tidu chuln da bi hiiy bo. Nhung cho ddn nay, sau bdn nam, tidu chuln ndy chua ducnc bo sung theo kjp ydu d u thuc td vk ban hdnh tiiay t h l tidu chuan cu, khiln cho vi#c thilt kd, tham tra, c ^ phep xay dung cdc cdng trinh cao tdng hien dang gdp rdt nhidu khd khdn^ Trong bdi cdnh dd, ke cd chuyen gia oing khdng dd bdn vd si/ c6
"ndng. ngat khf cua Trung tam hdnh chinh cao 37 tdng d Od Ndng vira khanh thanh duoc 2 nam, khdng cd gl dang ngac nhidn vl Ididng ai vidn ddn duoc tidu chuan qudc gia iam chuan ddnh gid.
Cdc kidn true su, ky su, cac dan vj tu vdn va xay dung rdt liing tung trong vide lua chpn quy chuln - tidu chuln phil hop de dp dung trong thuc td hidn nay vdi tdt ca cdc loai nhd cao tdng, tuy da phai tim din cdc tidu chuln nudc ngodi duoc cdng nhdn d VN. Tuy nhidn, "sdng lain' dp dgng cdc tidu chuln thilt kd nudc ngodi lai gay rdc rli cho chi'nh hp khi phdi gidi trinh di lai khdng bilt bao nhidu ldn cho cdc cd quan thim tra, tham duydt, d p phdp xdy dung b&i hd sa khdng duoc chdp thudn vdf ly do tidu chuln dp dgng da hdt hidu Igc. Cung vl chua cd cdc tidu chuln xdy dgng mdl thay thl nen cdc ben khdng bilt phdi didu chinh nhu thd ndo cho phai. 06 chi Id cdu chuydn dd khdc dd cudi bdn cdc bdn vd chua thuc hi^n. Cdn nhung toa nhd (^ xdy nhu tda Hdi ddng Od Ndng lai ddng budn hon, nd cd the duoc thim djnh thilt kd theo tidu chuln cu, nhung khi gap su cd thi tidu chuln dd da hit hidu luc va tidu chuan mdi chua cd d l xem xet. Bdy gid gid cau chuydn "den gidi soi xdr dung sai de khdc phgc thl rat bi, chi cd gdng d duoc phdn ndo thl d, ldng ldng di ddf ra chd thd dupc d l cdn b^cdn...
vdn hdnh thanh phd.
(Ve tiiu chuan 323, trong vd/ nam qua c6 mot s6 vudng mic c^c dia phuong da hoi Bo Xay dung nhif mat do xay dung, cdch bS trf phdng, chd deo to... Cdc ttidc mic nay Bd Xay dung cung da cd vdn bdn 1245/BXD-KHCN degidi ddp chung. Doanh nghiep vd cdc dfa phuong cd Oie dp dung theo hudng ddn ndy trcmg luc cdn trdng Heu chuin thiit ki nhd cao tang).
NGUdi XAY DUNG s 6 THANG 1 a 2 • 2017
XEN CAY MHA C A O TANG.,
Cdi ddng ngat hon Id tlnh trgng Ipi dung ke hd cua vigc thilu tigu chuln cao ting va cdc quy chuln quy hogch v l mdi trudng d cho khu cao ting dd thj dd din tdt budng Idng qudn ly d l cdc chu ddu tu phd vfi quy hoach dupc duy$t xdy cdc chung cu di ngupe quyin loi cua ddn cu cdc thdnh phi. Hifin tfin tgi mdt thue t l , TCXDVN khfing du ddnh gid tdc d^ng cua Nhd cao ting Ign mfii truPng song cua khu dfi thj mdi xen ciy vdo TP me vd ca quy djnh khodng cdch giOa cdc tda nhd - vin Id 2 quy djnh d t tO cita tlfiu chuln xdy dung logi ndy. €)$c bifit khi xen ciy cdc khu chung cu cao ting cd qui md "khing t l " vdo co thl vin da cu cua tmng tdm dd thj nhu Royal City. Time City, Vincom HN, Bason, Tdn Cdng, Triln lam Gidng Vo (do Vincom diu tu - cdc khu d sieu cao ting xdy tgi vj tri cdc cdng cu cua Sdi Gdn xua, nhu mdt hdng rao "den" chdn hit m$t tign sdng - minh dudng cua TP), Minh Khai, tryc Liiu Giai - H i Tdy (do nhifiu nhd diu tu), Nhd mdy rupu Hd Ngi (do Tdn Hodng Minh ddu tu)...Thyc chit nhOng dy dn ndy bdm vdo dja thl die lpi trung tdm hodc bd sdng d l bdn nhd gid cao ngit, dua thfim hdng chuc ngdn ngudl vdo stnh sfing nhung khdng phdi chi phi cho hg tdng ky thuat vd hg ting xa hdi (cln vin diu tucao gip nhilu lln xdy nhd). Nhu vdy Id cdc thdnh phd Idn nhu Hd Ngi, HCM, cdc tmng tdm Ijch sit bj gia tdnp sue gp vao ha ting cu vin da op ep, qud tdi, kgt xe, tdc duPng ma mdc cdn bfinh "tifinh diu to" khd ctjru chOa. Oil lgi, cdc chii diu tu kilm tdi Idn vd tgo lfi hong tham nhOng qud dfi ddng ddl hoi chinh quyin vd ngudi ddn bj tin hgi quyin loi tgi chfi phdi rit can trpng d l bdo vfi tai san chung - td khdng gian ty nhifin, cgng ddng vd co the dd thj - la vdn de lai cita cha fing da thdnh bdn sdc vdn hda hang tram ndm.
Nhigu ldn cdc tmng tam ljch sir vd khfing gian chung dd keu cOu nhung hiem hoa pha ndt d u tnic Ijch sir vd ty nhign dd vdn ngdy cdng tdng Ifin, mgt phin vl Chung ta khfing coi trong tieu chuan nhd cao tang xay xen trong npi dfi.
3. UpT s6 Ldi B A N T I J T E VE PHATTRIEN NHA CAO TANG dTRUNGTAM O O T H !
Tdi thilu, trutfc khi d p phgp xdy dung, tit ca cdc thdnh phd ldn nhd d VN cdn phai ddnh gia tac dpng cua khu cao tdng mdi xen d y vdo mol tmtmg da I n djnh cua cac thdnh phd cu. Nhiing TP ndy tudn tiao
luu nhOng gid tri, kinh nghigm dd thj do cha dng bifit cdch Ong xO khfin ngoan vdi sinh thdi ty nhiSn nhii cdc ddng sdng, bd biln, nhOng ngpn ddi... dfi hlnh thdnh sinh thdi quin cu, nhdn van. Mdi thdnh pho dfiu cd h?l nhdn Id tmng tdm lich sir qui gid da hlnh thdnh tOtil cung ddng chay thdt gian: Hodng thdnh, khu phi cl thj ddn, khu phi thugc «a, khu phd thdi chdm vdo high dgi cung vanh dai sfing hfi, Idng xa ngogi v\. Noi ddiy tich tu cdc gid trj tinh hoa cua thdi gian. cua cdc thfi he tilp nil ciing sy dac sdc v l to chiie xa hfii, ili sing, sinh k l . . . Idm nfin vdn hda thj ddn vd dfi Itij thuin Vifit.
Trude hit la ddnh gia tdc dong ve giao thfing, khu cao ting mdi cd gay iin. tdc nghen cyc b|? Theo thdng id qufic t l cir cd 250 can hfi xen d y mdi id ddnh gid im tdc vd cir 750xe/gid hogt dfing tgi khu vye ii, ddnh gid tac nghen theo phuong phap ITE. TIA. Sau dd la mfii trudng khfing khi. nutSc, rdc thdi, rli din h§
thfing dien nudc, cifu hda. ha ting _xd hpi.... sau dd 1^
kit ndi cdnh quan. kiln tnic, kit cdu, trang thilt bj IS thudt, khd ndng nhigt ddi hda. ciia chinh du dn vdi bSi cdnh dfi thj xung quanh.
Bi khdp t h l gidi ciing khd tim ra cdc bdc tudng rdo dd thj nhu Ciputra. Royal, chua ndi din sy diit giy khfing gian vfin hdi hda cua TP cu, "bdng nhifin" c6 nhQng "dilm nhin dfi thj" (tir diing trong d p phfip ill Idch ludt) hal hiing nhu Chung cu 50 tdng tgi Tmng tdm Triln ldm Gidng Vo, hay biic tudng thdnh ddm dgc tdi 60, 70 ting "rdo" mdt sdng Sdi gdn fit Bg Son. Tin Cdng. Khdng nhOng phd vd quy hogch dupc duy^t mi cdn phd tan clu true dfi thj Ijch sir truyin thing cOa Vtet Nam vin quen nuong tua vdo ty nhien. sfing nuOc. kfinh rgch (nhu truting hop Quy hogch trung tfim bdo t i n vd cdnh quan bd sfing Ba Son do Nikken Sekkei Idm mit ca ding bgc phdi nhudng chi cho riing nhd dcgo tcri 60,70 ting; Lu^t Thii dfi vd cdc quy djnh chi xdy cao 55m tir vdnh dai 2 din vdnh dai 1 de ddm bdo mat dp cu trii vd Idm vigc 4 qu$n ngi dl lich sif. qua vdi ddi lanh dao d p phep xdy khu 6 cao tdi 50 t i n g - 170m tai 11ha cua Giang Vd). Khdng d gl xda nhanh lich sir bdng cdch Idm thfi bgo ndy.
Thye ehit. sy phdt trien Idnh mgnh eijg nhd cao ting Id su tdn vinh su thdnh dgt. cdng nghg xdy dyng vd hinh thdc tham my mdi. By phdt triln ndy Id sy phdt triln ting hpp gida kit d u , vgt ligu xdy dyng, quy hoach kign tnic vdi nhifng ygu elu eua Ludt phdp. quy chuln dfi thj vdi tilt kigm ndng lypng, tdi nguyfin. kinh t l - xa hdi ddi hdi cd phupng phdp qudn ly phdt triln mdn mfi v&i tim nhin kinh bang t l thfi. Theo nghTa db.
nhd cao ting thye su Id mpt the logi kiln true dinh cao cQa thdi dgi.
Hign nay, nhd cao ting vdn tilp tyc duoc xem nhU bteu tupng cita thdi dgi vd vigc tim kilm "phong cdoti nha chgc trdi" mdl do tiln b^ cfing nghg mang Igi. VI0 Nam nfin thilt ldp tifiu chuln tifin bg, hon hin tifi^
chuln 323 - 2004 da ddnh, nhung d l dgt dupe vdng ddi bin vQng hPn cho loai kiln true t i n kfim ndy cln ban hdnh ede tlfiu chuln cfing nghg thgt tit. Bdl, nlu (Xem ti4p trang 2S}
NGUdi XAY DUNG SO THAHG 1 & 2 - 2017 B U i i n u i i
2 S L5?5S,
MUA XUAN N H d V J CAU HlJN LLfdNG.
Bic oiu phao Hiin LMng I9T2 - gSn du CO U torn Hn IM 7/12/1998 todn bo khii be tdng dim ciu duoc diic xong n$ng khoang 4000 tin da day vdo diing vj tri trdn m l tru. Ngdy 3/2/1999 ciu mdi da thdng xe, hodn thdnh sd mdnh nli liln giao thdng Nam - Bdc, xdng ddng vdi Idng mong udc cua cdc t h l h$ nhiing ngudi xdy di/ng ciu dudng vd moi ngudl ddn hai bd sdng
C6iiHltnU/mgmilAAfcKdydVngbin9tdngi)glttb*tittgaikafy. 1999 Bin Hdi.
Ndm 2001, cdy ciu sdt xua xdy di^ig tCr ndm 1952 dd duijc phgc chl lai theo diing hlnh ddng vd cau tnic cua nd trude khi bi bom My ddnh s4p vdo ngdy 2/8/1967. Cdc trg bSng cgc bd tdng vd cdt thdp xdy l^i diing theo bSn ve cu. Cdc dim clu Id dim qudn dgng dung theo chit iidu vd kich thude kilu cdch tir xua.
Cdu dui?c son hai nfla hai miu diing nha m|t thdf chia cat dd xa.
Chinh giila ciu cdn giO lai m^t v?ch sdn trdng di ai qua dd cung cd t h l trdi nghi0m vd hodi nidm nhOtig bude chdn "ngang qua bidn gidl" chi trong nhdy mit, nhung cd mot thdi phai mit 18 ndm (1954 -1972) dau thuwig mdi cd the vUdt qua.
Cay clu sit lich siJr ddn t h l h$ sau di tC( cing chdo cu d bd Bdc, sang tdi khu Tutmg ddi "Khdt vpng Thing n h i r d Bd Nam. Noi bdt trong khudn vidn tudng nijm Id nhiing biic phD dieu hii tudng 1^1 qud trlnh l|ch sit vd khdi tuong bd me cao 7m70 ciing ngudi con cao 5m50 bdng dd quJ cua Thanh Hda. Cgm tuijug ddi luu i^i mdi udc nguydn vd niim tin cila Miln Nam vdo
ngdy thong nhit nudc nhd.
Cdy cOt od trdn bd Bdo di/ng lai nhu xua, nhutig cdy c^t cd bd Nam b| phd buy trong chiln tranh Ihl chl cdn luu lai m^t khoanh dit b chdn c$t vd tim biin de ghi diu ring ngdy xua t^i ddy dd cd m$t cdy cOtcd nhir thl.
Cdy clu bd tdng vTnh cflu cd kieu ddng thiit ki hdi hda, tim vdc hi$n d^i dflng d vj tri xflng ddng trong qudn t h l kiln trflc cdc Nhd Bdo tdng vd Khu luu ni^m di tlch lich sfl d l chia sd niim vui chdo ddn mpi ngudi tdi thdm hai bd sdng Bin Hdl.Q
XEN CAY NHA CAO TANG C O LA...
fTi^p tfieo trang 24)
khdng du t i l thi dflng xdy cao tdng gdy hilm hoa vd cac bi kjch dd thj khdng nhd cho tuong lai, chi ndn xdy nhd cao trung binh, hit nidn h^n thay thl cao ting khi that Sfl du nOi lgc (theo Mnh todn hieu qud dau tu d6 thj, se bdn 6 djp khdc). Bdi hdi cip thilt cdc tidu chuan cdng ngh^ Bdn tlin cho cdc h§ thing bdo dam hoat d^ng cho nhd cao ting: 1. Hd thing quan ly cdng trlnh, 2. Cdo hd thing thong tin, 3. Hd thing tg d^ng hda ky thudt cdng trlnh, 4. Hd thing thiit bj tnjng tdm, 5. Cdc hd thing diiu khien vd phan phii khdng khi, 6. Hd thong vd bqc cdng tiinh, 7. Cdc hd thing chiiu sdng.
Tnidc mil, chi tilt hda cdc tidu chuln cd ban di ban hdnh thay thi tidu chuln 323 cho cdc loai hlnh cao tdng thdng dgng dVN hidn nay dam bdo an todn cho dfi thl vk ban than cdng trlnh v i :
1. Hd thing thdnj gid, sudi dm va diiu hoa khdnp khi (HVAC), bao gdm mdi tn*ng nhidt, phdn phdi
khdng khi, cip thodt nhi^t, bdo dudng thiit bj vd dO lidu.
2. Qudn ly ndng lui?ng, bao gim tfl dOng ngdt thiit bj, kilm sodt theo ting vd gidi h^n sfl dgng didn trong gid cao dilm.
3. H$ thing giao thdng dflng, bao gim thang mdy vd thang cuin.
4. Cdc hd thing an todn, bao gim h$ thing ching chdy gidm sdt cdc h^ thing thodt ngudi khin Of, b|£
khdi vd h^ thing tin hi^^u dm thanh. " • 5. Cdc hd thong qudp ly an ninh, bao gim h$ thing
truyin hlnh gidm sdt tit cd cdc ill vdo, l i i ra, dfldng thodt khin cdp, bdi xuit nh$p hdng hod vd bai d$u xe vd he thing kilm tra thd ra vdo mOt s l khu vgc nhil djnh bdn trong cdng trinh.
6. Lidn kit cdc tram kilm sodt tai m0t s i vj tri trpng diim viirt qudn ly cdng trlnh d l gidm sdt b l sung.
4. KET L U A N
c i n thilt hon Id mOt nghidn cflu nghidm tflc d i cci CO sd ban hdnh Quy chi quin If phit IriSn khi xen ciy cdc khu nhd d vd vdn phdng cao ting vdo clu tnic cu cua TP, cdc xdm lln vdo ciu true tg nhidn - v i n Id ciia cSi chung cua nhdn ddn vd cdc trung tdm n$i dd Ijch sfl cua TP HCM, Hd Ndi. Hdi Phdng, Dd t^t, Hui .Q NGUdi XAY DI/NG S6 THANG 1 & 2 • 2017 RHUPUIlue