EIA Cua Gianh- Quang Binh

D n Khu neo u trnh tr bo cho tu c Ca Gianh MC LC CC CH VIT TT TRONG BO CO CPO: TM: TBNN: KTTV: KPH: NTB: UBND: WB: Ban qun l d n Thy li Trung ng. nh gi tc ng mi trng. Trung bnh nhiu nm. Kh tng thy vn. Khng pht hin. Nhit trung bnh. U ban nhn dn. Ngn hng th gii

Bo co nh gi tc ng mi trng

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Bo co nh gi tc ng mi trng D n Khu neo u TTB cho tu c Ca Gianh

Chng 1 M T D N 1.1 Thng tin chung: - Tn D n: Khu neo u trnh tr bo cho tu c ca Gianh, x Bc Trch, huyn B Trch, tnh Qung Bnh. - Ch D n: S Nng nghip & PTNT Qung Bnh. - a ch lin h ca ch D n: s 9 Quang Trung - TP.ng Hi - tnh Qung Bnh. - i din ch D n: ng Trn Thanh Hi, Chc v: Trng ban Qun l D n Pht trin nui trng thy sn. - a ch lin lc: s 12 ng Dng Vn An - TP.ng Hi - tnh Qung Bnh. in thoi: 052. 3828352 - 3823361. Fax : 052. 3828352


D n Khu neo u trnh tr bo cho tu c Ca Gianh Chng 3 NH GI TC NG MI TRNG 3.1. Sng lc tc ng mi trng

Giai an Tin thi cng

Gii phng mt bng

- Lm thay i mc ch s dng t, gim din tch t nui trng thy sn. - nh hng n cuc sng ca cc h b thu hi t. - Cc vn x hi pht sinh.

No vt khu neo u v lung tu.-

nhim khng kh (bi, kh thi) v ting n trong qu trnh vn chuyn bn thi. nhim nc mt Ly li mt v sinh do bn thi Xi l vng ln cn. nh hng n h sinh thi trong khu vc. nhim khng kh (bi, kh thi) v ting n nhim nc mt nhim do cht thi rn pht sinh

Thi cng cc hng mc cng trnh gm: chn sng, tr neo u tu, k bo v b, khu dch v ngh c

Giai on thi cngSan lp mt bng khu dch v

-

nhim khng kh (bi, kh thi) v ting n nhim nc mt

Vn chuyn nguyn vt liu xy dng.

-

nhim khng kh (bi, kh thi) v ting n nh hng giao thng i li

Hot ng ca tu ra vo cng neo tr

trong khu vc nc mt -

nh hng h sinh thi thy sinh Gia tng nng du m ngun nhim khng kh do kh thi

Giai on Vn hnh

Hot ng ca cc dch v ngh c.

-

nhim khng kh do mi hi, tanh Gia tng nhim nc do nc thi. Tng lng rc thi

Hot ng no vt nh k.

-

Gia tng xm nhp mn nh hng h sinh thi khu vc nhim nc mt nhim khng kh.


Giai on

Hot ng

Tc ng

Sng lc tc ng

nh gi TRUN G BNH TRUN G BNH THP TRUN G BNH

GIAI ON TIN THI CNG

GIAI ON THI CNG

- Ton b din tch t khu vc d n l t NTTS (nui tm), - Lm u D n Khu neo thay trnh tr bo cho (khngCa Gianhc) b thu hi. Vic chuyn i khong 20ha, tu c c t th i mc ch mc ch s dng t s lm gim din tch t NTTS trong khu s dng t. vc. Gii - nh hng - Cuc sng ca cc h gia nh b thu hi t s b xo trn (khong phng n cuc 33 h). Tuy nhin, vic thu hi t NTTS s nh hng khng nhiu mt sng ca cc n i sng, sinh hot v thu nhp ca cc h ny, do nng sut bng h b thu hi NTTS y rt thp v ngh chnh ca h l sn xut nng nghip. t. - Cc vn - Nu vn n b v chnh sch h tr khng tha ng s l x hi pht nguyn nhn pht sinh cc xung t x hi. sinh. - nhim Hot ng no vt khong 428.000 m3 bn ti lung tu v khu neo khng kh u, (trong khong lng bn s c san lp cc h nui tm (bi, kh thi) khu vc v s c ti khu vc bi thi ng Miu), s yu cu v ting n. huy ng my ht bn, phng tin vn chuyn t, bn thi v.v.. V vy, nhng tc ng v bi, n, kh thi s l khng trnh khi. Qu trnh no vt s lm gia tng c khu vc h lu sng Gianh v sng Thanh Ba (khong 15000m2 mt nc sng). C th gy nhim ngun nc mt do pht sinh du m t cc loi my thi cng. - nhim Vic thi san lp mt bng khu dch v ngh c (khu A) v bn ti nc mt. bi ti ng Miu (khu B) c th gy nhim nc sng Thanh Ba v No vt nc mt khu vc ng Miu khu neo V tr im bn thi ti khu t gip d n v khu vc ng Miu u v - Ly li mt cch d n khong 700m. Do vy, tnh hnh nhim u cc tuyn lung v sinh do ng l kh trnh khi do bn bm dnh vo bnh xe trong qu trnh tu. bn thi vn chuyn. Cng tc qun l v bn thi s c trnh by ti chng 4 ca Bo co. Hot ng no vt c th gy xi l vng ln cn. Tuy nhin, do v tr - Xi l vng d n nm lch ct ca sng Thanh Ba nn cc tnh trng v ngp ln cn. lt, xi l v dng chy sng khng b thay i nhiu. Hot ng no vt lm xo trn mt nc v bn y, lm gia tng - nh hng c vng ca sng Thanh Ba v sng Gianh, trong khong din tch n h sinh 15000m2 c bit l vng h lu sng. Cc tc ng ny s gy nh thi trong hng n h sinh thi trong khu vc nh lm mt ni c tr, gim s khu vc lng c th ca loi, nh hng n s sinh trng v pht trin. Thi cng xy dng cc hng mc cng trnh s ch yu cn phi huy Thi cng nhim khng kh ng cc phng tin thi cng c gii ln. Cc tc ng v bi, kh cc hng (bi, kh thi) thi v ting n l khng th trnh khi. mc cng v ting n trnh Qu trnh thi cng s to ra mt lng nc thi do hot ng ca gm: - nhim cng nhn trn cng trng. Do lng cng nhn khng nhiu do vy nc mt ti lng nhim khng cao nhng cn phi c o c v gim st chn thng xuyn v s lm pht sinh nh hng nht nh n cht lng sng, tr nc ngun tip nhn. neo u Rc thi sinh hot ca cng nhn xy dng tuy t nhng c kh nng tu, k gy nhim cao. Do , cn phi c bin php thu gom, x l thch - nhim do hp. bo v cht thi rn Rc thi xy dng t gy nhim v c kh nng ti s dng nn mc b, khu pht sinh tc ng khng ng k. dch v ngh c - nhim Hot ng san lp mt bng vi khi lng san lp l 30.475m3 cn San lp khng kh phi huy ng mt lng ln phng tin vn chuyn v my thi mt bng (bi, kh cng. Do vy cc tc ng v khng kh, ting n l kh trnh khi. thi) v ting n Bo co nh gi tc ng mi trng cc phng tin vn chuyn nguyn liu v my thi Hot ng ca - nhim cng s lm pht sinh bi, kh thi v ting n trong sut qu trnh thi

CAO

CAO TRUN G BNH CAO

CAO

TRUN G BNH

TRUN G BNH

CAO

D n Khu neo u trnh tr bo cho tu c Ca Gianh Phm vi nh hng ca d n: - Ti khu vc d n: Bao gm phn h lu sng Gianh, sng Thanh Ba, khu dn c gn nht ca 2 x Thanh Trch v Bc Trch. Khong cch t d n n khu dn c gn nht ca 2 x Bc Trch v Thanh Trch l trn 400m. Do vy, mc tc ng ca kh thi, ting n, nc thi n khu dn c l khng ng k. - Ti khu vc bn thi t qu trnh no vt khu neo u v lung tu: Gm khu vc ng Miu ca 2 thn Thanh Vinh v Thanh Kh (x Thanh Trch) v khu t gip pha Ty d n. - Trn tuyn ng chuyn ch nguyn vt liu xy dng: bao gm dn c sng ven tuyn ng v ngi tham gia giao thng. Phn tip theo s trnh by cc phn tch chi tit nguyn nhn, din bin v mc ca cc tc ng tim tng ca d n c sng lc trong Bng trn. 3.2 Cc tc ng tim tng trong giai on tin thi cng: 3.2.1 Thay i hin trng s dng t, chim dng t nng nghip Do khu trnh tr bo c xy dng khu vc bi bi v thm sng ni c cc m nui tm ca cc h dn nn phi thu hi t ca mt s h phc v vic thi cng cc cng trnh. Tuy nhin, tiu d n khng c thu hi t v khng gy ra cc tc ng ti nh c v khng c h no c tr ti khu vc d n. D kin c 33 h s b thu hi vnh vin khong 20 ha t nui trng thy sn. Cc ti sn c trn t b nh hng (BAH) gm 6 chi canh m tm, 6 ngi m, 22.820 m t p ngn cc ao nui tm, 472 m3 lt gia c mi ngn ao, v 82 m3 b tng cng ly nc vo ao tm.3

3.2.2 nh hng n cuc sng ca cc h dn b thu hi t Vic thu hi din tch t sn xut vnh vin s nh hng n thu nhp v i sng ca cc h b nh hng. Tuy nhin, mc nh hng khng ln v ngh chnh ca h l sn xut nng nghip. Tt c cc h b nh hng u lm nng nghip, ch yu l trng la, kt hp vi nui trng thu sn. Mt khc, cc h b nh hng s c iu kin chuyn i ngh sang kinh doanh dch v phc v ngh c sau khi d n hon thnh, to vic lm cho nhiu lao ng. 3.2.3. Cc vn x hi pht sinh: Vic n b gii phng mt bng c th s dn n nhng tc ng tiu cc v mt x hi. Nu gi tr n b ti sn khng tha ng hoc khng c cc chnh sch h tr cho cc h dn kh khn khi b thu hi t vnh vin, l nhng nguyn nhn gy nn cc xo trn v xung t x hi. Tuy nhin, theo bo co K hoch ti nh c (RAP): mc tiu ca chnh sch n b, gii phng mt bng l trnh hoc gim thiu cc tc ng bt li n ngi dn. Trong trng hp khng th trnh khi th phi n b cho tt c cc ti sn b nh hng v h tr cho nhng ngi b nh hng nhm m bo cho h t c mc sng nh trc khi c D n hoc tt hn. Do vy, cc vn x hi pht sinh t c kh nng xy ra i vi tiu d n ny. Cc tc ng v thu hi v n b gii phng mt bng c m t c th trong bo co RAP ca tiu d n. 3.3. Cc tc ng tim tng trong giai on thi cng: 3.3.1. nhim nc mt:


D n Khu neo u trnh tr bo cho tu c Ca Gianh a. Tc ng do no vt khu neo u v lung tu: Tuy d n cha hnh thnh nhng hin ti tu thuyn vn thng xuyn ra vo v neo u ti khu vc d kin thc hin d n. Tuy nhin, tu thuyn y ch yu cng sut nh nh bt gn b, s lng t khong 10-20 tu/ngy. Hot ng ca tu thuyn c nh hng n cht lng nc sng nhng mc nh. Vi din tch no vt khu neo u tu khong 20ha v lung tu 1,4ha; chiu su no vt l - 2.7m. Thi gian thi cng no vt d kin 12 thng. Vic no vt lung tu v khu neo u s lm tng nhim ngun nc mt sng Gianh v sng Thanh Ba, nh lm tng c, du m... Trong tc ng chnh l gia tng c, cn lng du m r r pht sinh do tu ht l khng ng k. c tnh tng din tch mt nc sng Gianh b nh hng xung quanh khu no vt khong 15000m2. Khi c trong ngun nc cao cng vi s xut hin du m trong nc s lm ngn cn qu trnh quang hp v khuch tn xy trong khng kh vo mi trng nc, v vy s lm gim lng xy ho tan trong nc gy nh hng n i sng thu sinh chu tc ng, c bit l nhng sinh vt y. Mt khc, qu trnh no vt s lm mt lp trm tch y, lm mt ni c tr, ni kim thc n v cc bi t nhin ca cc loi thu sinh y. Nh vy, c th nh gi mc tc ng ca hot ng no vt i vi nc mt l mc cao. Tuy nhin, y l tc ng ngn hn (12 thng) v c kh nng phc hi nhanh sau khi kt thc no vt. b. Tc ng ca vic thi ti khu vc san lp khu dch v ngh c v khu vc ng Miu: Theo kt qu phn tch cht lng bn y ti chng II, bn c o c th xp vo loi 1 v 2 (theo Tiu chun H Lan), l loi an ton cho s dng hoc khng cn phi x l khi thi b. Theo xut ca d n l lng bn thi s c ht v trc tip san lp cc vng trng gn khu vc v san lp mt bng d n khu dch v ngh c. (khu A). Khong 1/2 lng bn cn li s c ch i ti khu vc ng Miu (khu B). Cng tc bn thi c th nh sau: Khu A: l khu vc t trng lin k vi quy hoch khu dch v ngh c ca d n v gip vi ng giao thng (quc l 1A c). Khu t ny hin l m nui tm ca cc h dn thuc x Bc Trch, vi din tch khong 43.000m2. Sau khi d n hnh thnh th cc m ny khng th pht trin nui trng thy sn nn UBND x Bc Trch tin hnh thu hi t s dng cho mc ch khc (hin ti chnh quyn x cha c k hoch c th v mc ch s dng t i vi khu t ny). Vic bn no vt san lp khu vc ny Ch d n c bin bn thng nht vi a phng UBND x Bc Trch ngy 24/6/2007. Chiu cao san lp ngang vi mt ng hin ti. Tng lng san lp c tnh khong trn 200.000m3.

Do bn c ht ln l bn lng nn s c mt lng nc r ra t bn chy trn ra khu vc xung quanh. Nc t bn thi c cha nhiu cht rn l lng nn s gy c ngun nc tip nhn. Do vy cn c bin php qun l, thu gom hp l trc khi thi vo ngun tip nhn nhm gim thiu nhim ngun nc mt trong khu vc. D kin ngun thi ny s thu gom bng h thng mng thot tm dn ra sng Thanh Ba (chiu di mng dn khong 200m). Khi thi tit bnh thng khng c ma, lng nc r ra t bn khng ln, lu lng dng chy nh v c th lng ng k mt lng cht rn l lng trong qu trnh chy t mng dn. Trong iu kin thi tit c ma, nc ma chy trn s lm cho lu lng dng chy tng ln ng k. Nu ma ln to nn dng


D n Khu neo u trnh tr bo cho tu c Ca Gianh chy mnh s cun tri t bn trn b mt bi thi, lm tng c ngun nc mt. y l trng hp bt kh khng, song thi gian c ma xut hin thng khng ko di. Nh thu thi cng cn thc hin tt bin php qun l bn thi khng b cun tri khi c ma. Nc thi bn t khu A s nh hng trc tip n phn h lu sng Thanh Ba, lm tng c ca sng v nh hng n i sng ca cc loi sinh vt sng trong on sng ny (chiu di lu vc sng Thanh Ba b nh hng tip gip vi sng Gianh khong 500m) (b xung nh gi tc ng ca nc thi t bn v nc chy trn khi c ma ti cht lng nc sng Giamh???) Khu B: bi ti ng Miu thuc thn Thanh Vinh v Thanh Kh, x Thanh Trch, cch khu vc d n khong 500m v pha Nam theo QL1A. y l mt vng trng b hoang, c su khong trn 2m so vi mt ng, tr lng bi thi c tnh khong 270.000m 3. Vng trng ny thng kit nc vo ma kh v ma ma th y nc (lu thng vi sng Thanh Ba), bao bc xung quanh l khu dn c ca x Thanh Trch, huyn B Trch. y l khu vc b hoang v tr thnh ni x nc thi sinh hot ca dn c xung quanh lm cho khu vc ny ang c du hiu b nhim, c bit vo ma ma. Vic san lp vng trng ny s lm gim thiu tnh trng nhim hin ti. Ngoi ra, khu t d kin thi c UBND x Thanh Trch quy hoch thnh t khu dn c. Tuy nhin hin nay x cha c kinh ph cho vic san lp mt bng nn vic bn thi san lp khu vc ny ca d n khu neo u tu thuyn Ca Gianh l ph hp vi quy hoch v kinh t ca x. Vic bn no vt san lp khu vc ny, Ch d n c bin bn thng nht vi UBND x Thanh Trch ngy 25/6/2007. Bn y ht ln c ti bi d tr khu A (gip d n) sau khi thot nc s cn li bn c (hoc bn kh). Lng bn ny s c vn chuyn n bi thi khu B (khu vc ng Miu). Nh m t trn, khu vc ng Miu ch c nc vo ma ma v ma h th cn nc. K hoch vn chuyn bn s c thc hin vo ma kh nhm gim thiu tc ng n ngun nc cng nh gim thiu tnh trng gy ly li trn tuyn ng vn chuyn. Do vy nc thi t bn ti khu vc ny l khng xy ra. i vi nc ma chy trn, do pha Ty ca khu vc ny gip vi sng Thanh Ba nn khi c ma th nc ma chy trn s c dn ra sng Thanh Ba. Ngoi ra, theo k hoch chiu cao thi phi thp hn mt ng quc l 1A nn s khng c tnh trng nc ma b ng hoc chy trn ra khu vc xung quanh. Hin ti, ton b khu dn c thuc thn Thanh Trch, Bc Trch v cc vng ln cn cha c h thng x l nc thi sinh hot chung. Hu ht cc h u t qun l v x l nc thi sinh hot ca gia nh mnh. Tuy nhin, khi cha san lp khu vc trng ny th cc h dn lin k thi nc thi sinh hot xung m cha qua x l lm nhim ngun nc mt khu vc. Khi tin hnh san lp th cc h lin k s t qun l v x l nc thi sinh hot ca mnh, gim thiu c tnh hnh nhim chung cho ton khu vc. (b xung nh gi tc ng ca nc thi t bn v nc chy trn khi c ma ti cht lng nc khu vc. c bit phn tch nc ny s chy i u???cc nh hng ca n ti cc h dn c lin k nh th no khi khu vc ny khng c h thng thot nc? Trc khi thi th nc y s ra sao? C bm i khng hay trc tip bn vo? Nc ny s th no??? ) c. Tc ng do hot ng xy dng cc hng mc cng trnh: Ngun pht sinh:


D n Khu neo u trnh tr bo cho tu c Ca Gianh - Nc thi xy dng: Ch yu pht sinh t cc my trn b tng, nc thi d tha t qu trnh trn va v lm m nguyn vt liu, nc thi t hot ng ra dng c v bo dng cng trnh; - Nc thi sinh hot: pht sinh t cc hot ng sinh hot hng ngy ca cng nhn, ch yu l pht sinh t qu trnh tm git v ra chn tay, nc thi v sinh...(khong 80 - 100 cng nhn tham gia xy dng). - Nc ma chy trn. Xc nh ti lng thi: - i vi nc thi xy dng: Ti lng t ngun thi ny qua thc t cho thy l khng ng k. Thnh phn khng cha cc cht thi c hi nn cc tc ng n mi tng l khng ng k. - Nc thi sinh hot: Uc tnh trn cng trng s lng cng nhn thi cng khong 80 - 100 ngi (khng thng xuyn). Do a s cng nhn tham gia thi cng trn cng trng s c s dng t ngun lao ng ca a phng nn cc hot ng tm git ch yu c din ra ti nh dn, ch s t li ln tri khu vc thi cng nn c tnh lng nc thi trung bnh khong 30 lt/ngi/ngy. Vy tng lng nc thi sinh hot khong 2,4 - 3 m3/ngy. Ngun thi ny pht sinh t hot ng ra chn tay, tm git ca cng nhn li ti cng trng. Nc thi tp trung ti khu ln tri ca cng nhn xy dng, d kin v tr t ln tri ti khu t pha Ty, gip quc l 1A c, cch lu vc sng gianh v sng Thanh Ba khong 400m. Do vy nc thi sinh hot khng nh hng n nc sng m ch yu t thm vo t hoc cc h ln cn. c im ca nc thi sinh hot l cha cc cht ty ra, coliform, BOD5, NH3, cht rn l lng, cc vi khun gy bnh... y l ngun thi cha nhiu cht hu c d phn hy v vi sinh vt gy bnh, nu khng c thu gom v x l thch hp s gy nhim cho khu vc. - Nc ma chy trn: Ti lng ca nc ma chy trn trong giai on xy dng ph thuc vo thi tit. Vi lng ma thng cao nht xy ra l thng X/1991: 1525.4 mm, tng ng vi 50,8 mm/ngy. Nh vy, tng lng ma 1 ngy cng ln nht trn ton khu vc d n l 260.000m2x50,8mm/ngy/1000 = 13.208m3. Nc ma chy trn c th gy xi l cc khu vc c hot ng o p, ra tri bn t gy bi lng (c bit trong qu trnh o, p khu neo u, lung tu, thi cng k, chn ct). nh gi tc ng: T ni dung d bo ngun pht sinh v ti lng nc thi cho thy: mc tc ng ca nc thi xy dng v nc thi sinh hot l khng ng k. Tc ng c bn nht l nc ma chy trn trn khu vc thc hin d n. Ngun thi ny c th gy xi l cng trnh ang thi cng, mang theo cc cht li cun t b mt cng trng xy dng lm gia tng c v nhim bn cho khu vc sng tip nhn. Nc ti cc thu vc lin quan n xy dng D n, hm lng cht rn l lng d bo c th ln n 100-300 mg/lt v nh hng n cht lng nc sng Thanh Ba, sng Gianh. y l tc ng xu bt kh khng. Tuy nhin, vi vi thi gian thi cng ngn, hn na lu lng chy ca sng Gianh v Sng Thanh Ba l rt ln , kh nng t lm sch ca cc sng ny l kh cao, do vy c th d bo qu trnh nhim nc ch xy ra ti khu vc d n v trong thi gian tin hnh no vt, xy dng d n. 3.3.2. nhim khng kh: a. Hot ng vn chuyn bn thi v vt liu xy dng: Bo co nh gi tc ng mi trng

D n Khu neo u trnh tr bo cho tu c Ca Gianh + Cng tc vn chuyn bn thi t khu vc d n ti bi ti khu vc ng Miu: Lng bn c vn chuyn i l khong 270.000m 3 (tng ng 180.000 tn), c ly vn chuyn l 500m (t bi tm khu A n bi khu B). Vi xe c ti trng vn chuyn 5 tn, c tnh c khong 36.000 lt xe s c s dng cho chuyn ch. Thi gian thi cng 12 thng. S lt xe vn chuyn trong 1 ngy c xc nh nh sau: 36.000 lt xe/360 ngy = 100 xe/ngy. + nh gi tc ng: Lng t bn sau khi no vt ln do c m ln nn qu trnh vn chuyn lng t bn ny t c kh nng pht sinh bi, ch yu l kh thi t ng c xe. Qu trnh vn chuyn c th lm ri vi t bn, nc xung lng ng lm nh hng n m quan ng QL1A, gy ly li v mt an ton giao thng trn tuyn ng. Do vy, tnh hnh nhim u cc tuyn ng vn chuyn v khu vc bi thi l kh trnh khi do bn bm dnh vo bnh xe, c bit l khi thi tit c ma. Mc tc ng do bn thi c nh gi mc nghim trng nu khng c bin php gim thiu ph hp. - Vn chuyn nguyn vt liu xy dng: Ngun gy tc ng: + Bi ri vi, bi cun trn cc tuyn ng vn chuyn nguyn vt liu xy dng phc v cho qu trnh thi cng nh ct si, xi mng, st thp,... + Kh thi ng c t cc phng tin vn chuyn vi cc thnh phn chnh nh COx, NOx, SOx, CxHy, khi, hi xng, du... D bo ti lng: + nhim bi trn cc tuyn ng vn chuyn nguyn vt liu xy ra trong sut qu trnh san lp mt bng v thi cng cc hng mc cng trnh. Mc nhim nhiu hay t tu thuc vo chiu di tuyn ng vn chuyn, m nn ng, yu t thi tit. Khu vc d kin thc hin D n nm gn ng Quc l 1A, qu trnh khai thc vn chuyn t s ly ti i H Trch (c ly vn chuyn khong 3 km) v ct s ly ti Thanh Kh (c ly vn chuyn khong 1km) thuc x Thanh Trch, cc vt liu khc c ly ti cc i l trong khu vc. i vi t st, ct vn chuyn t m v khu vc d n: Do tnh cht ca t st l nng v c m ln nn lng bi pht sinh t qu trnh vn chuyn t st l rt nh. Ct c t trng nh, m thp nn ct thng b cun bay theo gi, c bit l nhng phng tin vn chuyn khng s dng bt che ph thng, gy nh hng i vi ngi tham gia giao thng. D bo bi cun trn cc tuyn ng vn chuyn khi tri kh hanh, gi to lng bi l lng s pht tn mnh vo khng kh, do nng bi thng cao hn tiu chun cho php theo TCVN 5937-2005 Cht lng khng kh xung quanh. Phm vi nh hng ca bi ko di c tuyn ng vn chuyn (Ch yu l trn tuyn ng Quc l 1A v tuyn ng i vo khu vc D n). Ti cc im ly vt liu xy dng: Hot ng khai thc, bc xc, vn chuyn vt liu ti m s gy ra nhng tc ng nht nh. Tuy nhin, cc m vt liu ny c cp giy php v c cam kt bo v mi trng ring. Do vy, cc tc ng ti ngun cung cp s khng cp trong bo co ny.


D n Khu neo u trnh tr bo cho tu c Ca Gianh + Kh thi pht sinh ch yu t hot ng ca ng c cc phng tin vn ti. Thnh phn chnh gy nhim khng kh bao gm bi l lng, cc kh CO, NO2, SO2, cc hp cht hu c d bay hi (VOCs). Thnh phn kh thi ng c xe ti s dng du diezel c trnh by trong bng sau: Bng 3.1 Thnh phn cc cht trong kh thi ng c xe ti Nng cc cht thnh phn Tnh trng vn hnh Chy khng ti Chy chm Chy tng tc Chy gim tc CxHy (ppm) 750 300 400 4.000 CO (%) 5,2 0,8 5,2 4,2 NOx (ppm) 30 1.500 3.000 60 CO2 (%) 9,5 12,5 10,2 9,5

Ngun: T chc Y t th gii (WHO) Trong thi gian thi cng xy dng, nng cc cht c trong kh thi ng c s tng ln so vi mi trng nn. Mc nhim SO2 c th l thng s tc ng chnh gn khu vc d n v dc cc tuyn vn chuyn chnh. Tuy nhin, cc tc ng ny c xc nh l ngn hn v gii hn vi cc tin thi cng thc t ca tng cng trnh nh. i tng b tc ng i tng b tc ng chnh l cn b, cng nhn lm vic trn cng trng, mt s h dn sinh sng gn khu vc (pha Nam v pha Ty d n), dn c sng hai bn cc tuyn ng vn chuyn v ngi tham gia giao thng trn cc tuyn ng ny. b. Hot ng ca my thi cng: bao gm cc loi my ht bn, my trn b tng, lu ln... Bi trong qu trnh thi cng cc hng mc cng trnh ch yu pht sinh ti cc v tr , ct, sn, bc d xi mng. y l ngun pht sinh tc thi, ch din ra cc b ti cc v tr , bc d nguyn vt liu do bi ch nh hng trong phm vi hp, mt khc khu vc c mt thong rng nn bi d pht tn v pha long vo khng kh. D bo bi v kh thi pht sinh do my thi cng mc trung bnh. Bng 3.2. D bo ti lng bi v kh thi pht sinh t my thi cng (kg / ngy) Thng s Nng nhim ti khu vc thi cng TSP 0.08 SO2 0.198 NO2 0.109 CO 0.055 VOC 0.024

3.3.3. Ting n v chn ng ca xe vn chuyn v thit b thi cng - Ting n pht sinh t cc my thi cng (my i, my mc, my san gt, my m, trn b tng...) trong qu trnh san lp mt bng, xy dng ng bi v cc phng tin vn chuyn nguyn vt liu phc v D n; - Ting n pht sinh t hot ng ng cc trong thi cng xy dng tr neo tu .


D n Khu neo u trnh tr bo cho tu c Ca Gianh Nhn chung mc cng nh phm vi nh hng ca ting n trong thi cng cc hng mc ph thuc vo c tnh k thut, thi gian, tn sut hot ng ca my mc, thit b cng nh hng v khong cch ti i tng tip nhn. Bng 3.3. n d bo pht sinh t thit b cho cng tc xy dng (V:dBA) D bo mc D bo mc n n cch ngun cch ngun 20 10 m m Xe i 93 73 67.0 My San Gt 72.0 74.0 54 45.0 My o 72.0 - 84.0 78.0 58 52.0 My Trn B Tng 75.0 - 88.0 81.5 61.5 55.5 Tiu chun quc gia cho mi trng lm vic c B Y T ban hnh: 85 dBA (8 gi / ngy lm vic) Trong qu trnh thi cng, ngun ting n s cch khu vc dn c khong 400m. Trong qu trnh vn chuyn, ngun n cch khu dn c khong 10-20m. Theo d liu c s quan trc hn c ti bng 2.10, n hin hu t nhng xe c dc theo tuyn ng vo khong 57,6 60,3 dBA. So vi nhng iu kin c s, n pht sinh t nhng xe c v thit b cho cng tc xy dng d n s cao hn n hin ti. Tuy nhin n d bo ti im cch xa ngun pht sinh 10-20m s gim i. Trong mt s trng hp, khi cc thit b cng vn hnh vo cng mt thi im, c bit khi mt giao thng cao (ting n pht sinh do xe vn ti t 82 n 92 dBA) th n s cao hn tiu chun quc gia ti im cch xa ngun pht sinh 10m. Do khu vc d n cch khu dn c trn 400m, nn c th d bo rng i tng b tc ng chnh ch yu l dn c sng dc tuyn ng vn chuyn. Tuy nhin, hot ng vn chuyn ch yu l bn thi, c c ly vn c huyn ngn (khong 700m) nn phm vi tc ng hp, mc tc ng c nh gi mc trung bnh.. 3.3.4. Rc thi: - Ngun pht sinhcht thi rn trong qu trnh xy dng: + Rc thi xy dng bao gm: gch vn, ct thi, giy bao xi mng v cc loi vt liu d tha khc + Rc thi sinh hot ca cn b, cng nhn trn cng trng bao gm: Giy loi, bao b ng thc n, cc vt dng sinh hot loi thi... - Ti lng v mc tc ng: + Rc thi trong xy dng: Rc thi xy dng ch yu l cc bao b thi, gch v, b tng tha,nu khng c qun l tt s chim dng din tch, nh hng n m quan khu vc. Tc ng ny ch mang tnh tm thi trong giai on thi cng v c th gim thiu bng cc bin php thu gom v x l thch hp. - Rc thi sinh hot: Tng s cng nhn tham gia trn cng trng khong 80-100 ngi. Theo c tnh lng rc thi ca mt ngi l 0,1kg/ngi/ngy th lng rc thi pht sinh do 80 - 100 ngi l 8 - 10 kg/ngy, do phn ln cng nhn khng lu tr ti ch nn ti lng rc thi thc t s nh hn so vi c tnh. y l ngun thi d thu gom, qun l v c th gim thiu bng cc bin php thch hp nn mc tc ng n mi trng l khng ln. 3.3.5. Cc tc ng khc: Bo co nh gi tc ng mi trng Loi my thi cng Mc n - cch ngun 1m Range Average

D n Khu neo u trnh tr bo cho tu c Ca Gianh Xi l vng ln cn. Nh trnh by trong Chng 2, sng Gianh c dng chy l kh mnh v phc tp. Tuy nhin, vi v tr d n chn lch ct ca sng ph Thanh Ba, dng chy chnh ca sng Gianh khng b thay i nhiu nn kh nng khng c bin i ln v tnh trng ngp lt v gia tng xi l so vi hin nay. Mc d trong phm vi bo co ny khng c iu kin p dng cc phng php m phng chi tit nn khng th d bo chnh xc cc din bin ny khi c cng neo u, v vy, cn tip tc gim st cht ch trong giai on thi cng cng nh giai on s dng sau ny c bin php ng ph kp thi. Tuy nhin, cc tc ng v xi l b v vng ln cn s c gim thiu bng bin php thit k h thng /k bo v b dc theo tuyn lung. nh hng n h sinh thi trong khu vc Khu vc no vt hin ti ch yu l cc m nui tm v cc hi sn khc ca cc h gia nh. Vic chuyn i 20 ha nui trng thy sn thnh khu neo u s lm thay i hon ton h sinh thi di nc ca khu vc. Ngoi ra, hot ng no vt 427.699m3 cn lm xo trn mt nc v bn y, lm gia tng c vng ca sng Thanh Ba v sng Gianh, trong khong din tch mt nc 15000m2, c bit l vng h lu sng. Cc tc ng ny s gy nh hng n h sinh thi trong khu vc nh lm mt ni c tr, gim s lng c th ca loi, nh hng n s sinh trng v pht trin. nh hng giao thng i li do hot ng vn chuyn Hot ng vn chuyn lm gia tng mt xe lu thng trn ng. ng thi cc phng tin vn chuyn phc v thi cng thng l cc xe c trng ti ln lm nh hng n an ton giao thng trn tuyn ng. a bn vn chuyn ch yu l khu vc pha Bc huyn B Trch. i tng b nh hng l ngi tham gia giao thng v dn c sng dc tuyn ng. Xem xt c im khu vc D n cho thy, nguy c tai nn giao thng l kh cao. C th, khu vc D n nm lin k ng Quc l 1A, nhiu xe c i li vi tc ln. Khu vc quc l giao vi li r vo khu vc d n s l im c kh nng tp trung nhiu xe nht nn nguy c v ri ro tai nn giao thng. Do vy cc bin php gim thiu tai nn giao thng trong qu trnh trin khai d n phi c quan tm c bit 3.3.4.Cc s c trong qu trnh thi cng: S c v an ton trong lao ng: Tai nn lao ng c th xy ra trong qu trnh thi cng do bt cn khi mang vc v vn chuyn cc vt t, thit b, v trong vn hnh my mc. S c do bom n cn st li sau chin tranh: Nm trong khu vc chu nh hng nng n ca chin tranh li, v vy cc s c v bom n cn st li l yu t tim tng gy tai nn. y s l mt gnh nng cho x hi, v vy cng tc r ph bom mn cn thc hin mt cch nghim tc v trit nhm gim thiu s c ny. 3.3.4. Tc ng n i sng, kinh t - x hi - Cc tc ng nh nu trn bao gm: nhim khng kh, ting n, nc thi, cht thi rn s gy tc ng xu n i sng ca dn c trong khu vc d n, sc kho ca cng nhn lao ng. - Kh nng ly nhim bnh tt trn cng trng v khu vc ln tri, do cc cht thi sinh hot (nc thi, cht thi rn) c cha nhiu thnh phn hu c d phn hu, cc vi sinh vt gy bnh.


D n Khu neo u trnh tr bo cho tu c Ca Gianh y l nguyn nhn gy ra cc bnh nh: t l, thng hn... nh hng n sc kho ca cng nhn v dn c sng gn d n. - Kh nng ly lan bnh x hi: Do iu kin sng thiu thn tnh cm gia nh, mt s cng nhn c th tm n cc t nn x hi nh: mi dm, ma tu. y l nguyn nhn dn n cc bnh x hi nh HIV/SIDA. - Mu thun c th xy ra gia cng nhn v c dn a phng do s khc bit v phong tc, tp qu, vn ho, giao tip.. 3.4. Giai on vn hnh d n 3.4.1. Hot ng ca tu ra vo cng neo tr nh hng h sinh thi thy sinh trong khu vc Sau khi d n hon thnh lng tu b ra vo cng s nhiu hn. Lng tu b v ngi ng c s gy n v gia tng lng kh thi, nc thi, du m lm xo ng mt nc, suy gim cnh quan thin nhin, lm cho mi trng sng t nhin tr nn bt li. Khi mi trng sng t nhin ca cc h sinh thi thu sinh s b bin i, chim dng, thm ch tr nn nhim s lm suy gim s lng ca cc loi sinh vt hin c. Tuy nhin, do vng ca sng Gianh khng c s a dng sinh hc ng k no v t trc ti nay, mc d cha c cng, vn c rt nhiu hot ng tu b qua li, nn vic xy dng cng Ca Gianh cng khng lm thay i qu nhiu hin trng hin nay. Mt khc, vic c cng quy m s gip ngi dn a phng m rng nh bt xa b, gim p lc i vi ngun li thu sn trong vng ca sng v ven b. Sinh vt thu sinh tiu th v tch lu trong c th chng cc cht nhim c hi: Nc b nhim bi cc thnh phn c hi, c bit l du, s l nguyn nhn tim tng lm cho cc sinh vt thy sinh tch t cc cht c hi ny trong c th v gy ng c hoc cc bnh nan y cho con ngi khi s dng cc sn phm ny lm thc n. Tuy nhin, mc tc ng ny hon ton cha r nn cn c cc nh gi, d bo c th da trn kt qu quan trc cht lng nc v trm tch trong giai on thi cng v s dng cng sau ny. Gia tng nng du m ngun nc mt Rt nhiu hot ng hng ngy ca tu b ti khu neo u v khu dch v hu cn gy nhim du m, nh hot ng ra tu, r r t my mc thit b trn tu, r r do tip nhin liu, sa cha tu thuyn... Lng du m ny c th chy trc tip xung nc sng hoc cun theo nc chy trn trn mt t trc khi x xung sng. Ngoi ra, nc mt b nhim du cn xut hin khi c s c trn du do v hoc m tu (c bit khi thi tit xu). Du m l cc thnh phn gy nhim nghim trng v kh phn hu, c tnh c hi, lm cht cc h thc vt v vi sinh vt v tch t trong c th sinh vt bc cao. Tuy nhin i vi cc s c t c kh nng xy ra hn khi khu neo u tu c hnh thnh. nhim khng kh, ting n Kh thi: - Kh thi sinh ra ch yu do qu trnh chy my pht in v ng khi ca tu thi ra vi thnh phn cc cht nhim ch yu l bi than, CO X, SOX, NOX, cht hu c (THC),... Ti lng ngun thi ca tu thuyn ra vo Khu trnh tr bo kh c tnh c v ty thuc vo s lng tu thuyn ra vo hng ngy trn khu neo u, vi s lng tu vo trnh tr bo c tnh khong 500 tu khi c bo. Theo s liu ca t chc Y t Th gii (WHO), ng c tiu th 1


D n Khu neo u trnh tr bo cho tu c Ca Gianh tn du diezel thi vo khng kh 4,3kg bi l lng, 64kg SO2, 28 kg CO, 55 kg NO2, 12kg VOC. Mc tc ng ca ngun thi ny ln khi tt c tu thuyn tp trung v neo u mt lc v ch gy nh hng cho khu vc trong thi gian ngn v ngun kh thi ny s dn t i khi tu thuyn ngng hot ng v ngun thi ny dn pha long vo khng kh. - Mi tanh pht sinh t cc tu c khi v bn. Ti lng v mc tc ng ca kh thi NH3 pht sinh t thit b lm lnh v mi tanh t tu thuyn nh c l khng ng k. V khi hng ha v bn (tm, cua, cc loi hi sn,) s c bc xp nhanh gn, sau khi phn loi s nhanh chng a ti th trng tiu th hoc a vo bo qun lnh. Do , hn ch h hng, i thi sn phm, gp phn hn ch nh hng xu ti mi trng. Ting n: Ngun n pht sinh ch yu t cc phng tin tu thuyn khi v cp bn, t cc phng tin vo thu mua vn chuyn hi sn i tiu th v t khu dch v. D bo n ti a i vi tu thuyn trong khong 80 85 dBA, i vi cc phng tin giao thng trong khong 85 95 dBA v vi ting n pht sinh t khu dch v trong khong 75 - 79 dBA. Da trn c im v ti lng cc ngun kh thi v ting n phn tch trn, tc ng ny c nh gi mc trung bnh. 3.4.2. Hot ng ca khu dch v hu cn ngh c. nhim khng kh do pht sinh mi hi, tanh Mi ch c th pht sinh trong trng hp h thng x l nc thi khng c vn hnh v bo dng y ng quy trnh hoc h thng b nghn tc. Mc nhim ty thuc vo hiu sut x l ca h thng thu gom v x l nc thi. Gia tng nhim nc do nc thi. Qu trnh hot ng ca khu dch v ngh c c pht sinh ra cc loi nc thi sau: - Nc thi ca khu dch v trn b: Khi khu dch v hu cn ngh c i vo hot ng km theo n l mt h thng cc khu dch v, thng mi, kho hng ng lnh, Hot ng ca cc hng mc cng trnh ny s pht sinh mt lng ln nc thi sinh hot, nc thi sn xut, nc thi cha cc tp cht hu c. Nc thi sn xut t cc nh tip nhn thy sn, kho bo qun lnh hi sn, ngun thi y c cha ch yu cc cht hu c, du m ng vt, cc ph thi (vy c, rut c, v tm,) nhng cht ny nu khng c thu gom v x l d b phn hy gy mi hi thi cho khu vc xung quanh. - Nc thi sinh hot: pht sinh t cc khu lm vic ca cn b cng nhn vin phc v trong khu dch v, lu lng v mc nhim ca ngun thi ny ch yu ph thuc s lng ngi lm vic v lng nc s dng hng ngy. D tnh khong 70 ngi lm vic thng xuyn ti khu dch v, vi khong 4 - 5 ngi lm vic ti nh iu hnh. Lng nc thi sinh hot c tnh vi mi ngi l 50 lt/ngy. Nh vy, ti lng nc thi c tnh khong 3,75 m3/ngy. Ti lng ca ngun thi ny c bn cao, thnh phn ca n ch yu cha cc cht hu c, cht dinh dng, cht cn b, cht l lng v vi khun gy bnh. c im ca cc ngun thi trn c cha hm lng hu c cao (BOD, COD), hm lng cht rn cao v cha nhiu vi khun gy bnh. Lng nc thi trn nu khng c thu gom v


D n Khu neo u trnh tr bo cho tu c Ca Gianh x l thch hp s c th gy ly lan mm bnh, gy nh hng n ngun nc mt, nc ngm v lm nhim mt m quan khu vc xung quanh. - Nc thi t cc tu thuyn hot ng ti khu nc: Ngun thi ny bao gm: nc thi sinh hot, nc v sinh trn tu, nc ra sn tu, S lng tu cp cng ln nht l khi c bo, l vi khong trn 450 tu, s lng tu vo ra khu vc neo u hng ngy khong 100 tu. Lng nc ra sn tu c tnh khong 300l/tu. Tng lng nc thi loi ny l 30m3/ngy. Nu ngun thi ny khng c kim sot x t do ra mi trng tip nhn, th s gy nhim nc sng. V vy, cn phi c bin php x l ph hp gim thiu tc ng ny. - Nc ma chy trn: Vi lng ma thng cao nht xy ra l thng X/1991: 1525.4 mm, tng ng vi 50,8 mm/ngy. Nh vy, tng lng ma 1 ngy trn ton khu vc d n khi c ma ln nht l 260.000m2x50,8mm/ngy/1000 = 13.208m3. Thnh phn ca nc ma c cht rn l lng cao, ng thi cun theo cc cht c ra tri trn b mt khu t. Nc ma tc ng n h thng thot nc v thu gom nc ra bin. C th tc ng gy ngp ng khu vc khi h thng thu gom v thot nc khng m bo. Tuy nhin, vi tnh cht ca nc ma l t c kh nng gy nhim mi trng, cn tc ng ngp ng cc b s c gim thiu bng bin php thit k h thng thot nc ph hp. Tng lng rc thi: Ngun pht sinh rc thi trong qu trnh hot ng ca d n bao gm: Rc thi sinh hot ca khong 75 cn b cng nhn vin lm vic ti khu dch v v nh iu hnh; rc thi t qu trnh phn loi, mua bn thy hi sn. D bo ti lng: - i vi rc thi sinh hot: Theo s liu ca Vietnam Environment Monitor 2004 - Solid waste, quy c lng rc thi trung bnh trn u ngi l 0,1 - 0,3 kg/ngy. Vi s lng cn b cng nhn vin khong 75 ngi. Nh vy, tng ti lng cht thi rn thi ra trong mt ngy khong 7,5 - 22,5 kg/ngy (trung bnh khong 15kg/ngy). - i vi cc sn phm thu hi sn ri vi. c im ca loi rc thi ny l cha nhiu cc cht dinh dng nn d phn hu, bc mi v gy nhim mi trng nghim trng. Cc loi cht thi rn ny nu khng c thu gom x l s gy nhim mi trng khng kh (do pht sinh mi hi thi), nhim nc sng Gianh, sng Thanh Ba v nh hng n cnh quan khu vc. Trong qu trnh hot ng ch d n s hp ng vi i v sinh mi trng trong khu vc thu gom, phn loi v x l thch hp. 3.4.3. Hot ng no vt nh k: Hot ng no vt trm tch y khu vc d n d kin s c thc hin nh k 2 nm/ln, vi khi lng bn no vt c tnh khong 500-700m3, lng bn ny s c a ra khi vng d n. V tr bi bn thi s c xc nh ty vo tnh hnh thc t ti thi im thc hin. K hoch no vt c th s c lp v bo co nh k 2nm/ln trc khi tin hnh no vt. Trong bo co ny chng ti a ra mt s tc ng c th xy ra do hot ng no vt nh sau: Gia tng xm nhp mn:


D n Khu neo u trnh tr bo cho tu c Ca Gianh Xm nhp mn l mt hin tng t nhin xy ra cc vng t, ca sng, mch nc ngm tip gip vi bin. Nguyn nhn dn n xm nhp mn l khi dng chy trn sng "yu" hn dng chy t bin do thy triu tc ng, tc l khi c s khc bit v nng lng dng chy (c th nng v ng nng) cng nh khi lng ring gia dng nc ngt v nc mn, cng thm cc yu t vt l nh hng lu lng v thi on dng chy trn sng, a hnh, a mo, dc y dng chy trn sng, cng thy triu bin, tc v hng ca gi, nhit ca nc, lc cn (ma st) trn ng chy, ... th s xm nhp mn xy ra. Nh vy, vic no vt nh k hng nm s lm cho tng dc ca vng ca sng v ven bin, to iu kin cho nc bin c iu kin xm nhp su vo vng ca sng v vo su trong t lin. Tuy nhin, vn ny cn nhiu cng c tnh ton vi s liu v thi gian tho ng nn cha th d bo chnh xc trong khun kh Bo co ny. Vn ny s c gim st thng xuyn trong giai on thi cng v s dng cng. nh hng h sinh thi khu vc: Hot ng no vt nh k sau khi i vo hot ng s lm cho h sinh thi trong khu vc b tn thng, nh hng n a dng sinh hc trong khu vc. S tng hm lng cht l lng cng nh cc cht bn s lm gim kh nng quang hp ca cc loi to. S lng ng ca cc ht ny s gy hi n qun th thc vt, ng vt y, bi trng ca c v khu vc nh bt c. Nhng tc ng ny mc trung bnh v ngn hn s c phc hi nhanh chng. Tuy nhin, ch d n cn c cc phng n no vt thch hp i km theo cc bin php bo v v mi trng gim thiu nhng tc ng ny. nhim nc mt: Tng t nh phn tch, nh gi mc 3.3.1 v nh gi cht lng nc mt, vic no vt nh k lung tu v khu neo u tu khu vc d n s gy nn nhng tc ng nht nh i vi nc mt v h sinh thi trong khu vc. Tuy nhin, mc tc ng nhiu hay t cn ph thuc vo khi lng thc t cn no vt v k hoch thc hin. Vi lng bn no vt c tnh l 500700m3/ln no vt l tng i t, do vy mc tc ng c nh gi mc trung bnh. nhim khng kh: Tng t nh phn tch, nh gi phn trc v nh gi cht lng khng kh, hot ng no vt nh k s yu cu huy ng my ht bn, phng tin vn chuyn t, bn thi v.v.. V vy, nhng tc ng v bi, n, kh thi s l khng trnh khi. Tuy nhin, i vi hot ng no vt nh k khi lng no vt s khng nhiu (khong 500-700m3), thi gian thi cng ngn (khong 15 ngy) nn cc tc ng v kh thi c gim thiu ng k. 3.4.4 Tc ng ti mi trng kinh t - x hi Xung t li ch kinh t vi mt s cng ng: Mt s h dn lm ngh nui trng thy sn c cc khu m thuc din thu hi n b nn cng ang rt lo lng v k sinh nhai, cng n vic lm mi cho c gia nh. Tuy nhin, s h thuc din ny khng nhiu (33 h) v chnh quyn a phng ang c k hoch b tr cng vic ph hp, v d nh phc v trong BQL Cng. Cn cc h nui trng thu sn khc x Bc Trch cng c nguy c b nh hng nu cht lng nc suy gim, thm ch nhim. Ngoi ra, hot ng sn xut nng nghip a phng cng c kh nng thu hp do nhiu h dn chuyn sang lm nh bt v ch bin thu sn hoc cung cp dch v. Mc d cng vic ny s to thu


D n Khu neo u trnh tr bo cho tu c Ca Gianh nhp cao hn cho ngi dn nhng cc cp qun l a phng cng cn xem xt n s pht trin kinh t hi ho v bn vng, c bit l vn an ton lng thc. To cng n vic lm v gia tng thu nhp cho a phng, ci thin cht lng cuc sng: Nhn chung, ngi dn a phng rt tha thit c cng trnh cng neo tr v khu dch v ngh c. Cng n vic lm n nh s gip tng thu nhp v an sinh x hi. Cc thu nhp ca ngi dn t cc hot ng nh: nh bt c, dch v sa cha tu thuyn, ch bin c y l tc ng tch cc rt quan trng ca d n. Gim nh hu qu thin tai bo l, tng cng n nh x hi: Nh trnh by trong Chng 2, tnh Qung Bnh l mt trong nhng tnh chu nhiu thin tai nht trong c nc. Do nh hng ca bin i kh hu, tnh hnh thin tai bo, l ngy cng bt thng v khc nghit. Khu neo u trnh tr bo Ca Gianh khi xy xong s l ni neo tr an ton cho ngi v tu thuyn khi c bo, gip ng dn trnh c thit hi v ti sn v tnh mng. y chnh l s cn thit thc hin d n cng nhanh cng tt 3.4.5. Cc s c ri ro mi trng tim tng S c mi trng do chy: - Nguyn nhn: Nh phn tch v d bo trn, mi trng khu vc c cha hi xng du nn mc tim tng gy s c chy l ln khi c ngun nhit cao, hoc do chp in. - Mc tc ng: C th gy thit hi cho khu vc d n v ngi v sn. Cn khu dn c ln cn cch khu vc d n khong 400 nn t c kh nng b nh hng. S c tai nn giao thng - trn du: - Nguyn nhn: Trong qu trnh hot ng ca tu thuyn, tai nn m tu, va chm tu hoc do s c chy mc nghim trng c th xy ra. - Phm vi nh hng: Tu mc khc nhau m c th gy loang du nh hng n mi trng t, nc khu vc, gy thit hi ti sn cho ng dn. 3.5. Phn tch so sch cc phng n c/khng thc hin d n: Phn tch, so snh cc phng n Yu t b tc ng Kinh t - x hi Trng hp khng c d n Thit hi tu thuyn, tnh mng ca ng dn do khng c ni tr u an ton trong ma ma bo. -Thit hi v kinh t cho a phng do cc tu nh bt ln khng ra vo cng Ca Gianh do lung tu vo nng, thiu cc dch v hu cn cn thit. - Kinh t - x hi ca a phng chm pht trin do khng c u t c s h tng ng b. Ngi dn ch Bo co nh gi tc ng mi trng Trng hp c d n Tu thuyn, tnh mng ca ng dn c bo m do c ni tr u an ton trong ma ma bo - Hnh thnh mt khu cng neo u v dch v tu thuyn v ch bin c lin hon gip a hot ng nh bt thy sn xa b tr thnh ngnh kinh t mi nhn ca tnh v ph hp vi Chin lc Bin ca Chnh ph. Ghi ch

D n Khu neo u trnh tr bo cho tu c Ca Gianh yu t chc nh bt t pht, thiu tnh bn vng gy hiu qu thp m vn gy ra nhng nh hng bt li n mi trng Khu mt nc v khu bi nui tm b hoang - To thm nhiu cng n vic lm t cc dch v, ch bin Ngi dn c hng li nh c s h tng c u t ng b, nng cao cht lng cuc sng. Cng neo tr vi y cc hng mc: bao, cc tr neo u tu thuyn, khu dch v Cc ch thy vn v dng chy bn ct b thay i tng i ng k, gy nguy c bi, xi v thu hp mi trng sng t nhin, nh hng n h sinh thi thy sinh. Nguy c nhim nc cao do nc thi, rc thi t tu thuyn v bn c v vic trao i nc khu neo u b hn ch Ngun li thu sn ven b c ti to do gim p lc khai thc thu sn ven b.

Mi trng t nhin

Cc ch thy vn v dng chy bn ct khng b thay i qu nhiu do cc tc ng ca con ngi (tu be ra vo, no vt) khng qu ln.

Cht lng nc khng b nh hng nhiu.

Ngun li thy sn phong ph. Tuy nhin ang ngy cng cn kit do ng dn khng c iu kin khai thc hi sn xa b.

Ghi ch: Tc ng tch cc ch yu ca d n Tc ng tiu cc ch yu ca d n Vic u t xy dng d n s c nhng tc ng v mt mi trng v iu kin kinh t x hi ca khu vc. Tuy nhin, nhng tc ng ny ch nh hng trong giai on ngn v c gim thiu bng nhng bin php c th. Nu khng c d n th trc mt s khng c cc tc ng trn, nhng bn cnh th vic m bo neo u an ton cho tu thuyn trong ma ma bo s gp rt nhiu kh khn; cc thit hi v ngi v ti sn cho ng dn trong thi gian di chc chn l s xy ra. Trong khi nu c d n th y l mt a im rt kh thi do c iu kin t nhin thun li, chi ph u t thp. c bit vi quy m thit k, cng ngh v vn hnh khoa hc th ngoi vic m bo an ton cho ngi v phng tin ngh c, d n cng s c nhng tc ng tch cc khc nh h tng ca khu vc pht trin, ngi dn s c hng li t nhng tin ch ca cng trnh, gim chi ph sn xut, to thm vic lm mi... Cc nh hng mi trng tim tng c th kim sot c thng qua cc bin php gim thiu p dng trong qu trnh xy dng v vn hnh cng trnh. Chng trnh gim st mi


D n Khu neo u trnh tr bo cho tu c Ca Gianh trng s cung cp nhng thng tin b sung to c s c nhng d on tt hn v mt s vn mi trng, t cc bin php ph hp s c p dng qun l cc tc ng xu.


Bo co nh gi tc ng mi trng D n Khu neo u TTB cho tu c Ca Gianh Chng 4 CC BIN PHP GIM THIU TC NG XU, PHNG NGA V NG PH CC S C MI TRNG 4.1 Bng tng hp cc bin php gim thiu nhim mi trng: Cc tc ng tiu cc tim tng 1. Giai on tin thi cng: - Lm thay i hin trng s dng t, chim dng t nng nghip v th c. - nh hng n cuc sng ca cc h dn b thu hi t. - Cc vn x hi pht sinh. - Xy dng phng n chuyn i c cu kinh t hp l nhm thc y s pht trin kinh t ca a phng. - p gi n b t v ti sn t phi thc hin ng theo cc quy nh hin hnh ca Nh nc; - Thng bo cho chnh quyn s ti phi hp trong cng tc thu hi v n b; - C chnh sch h tr ngi dn b thu hi t chuyn i ngnh ngh sn xut; - Chi ph n b hp l, kp thi cho phn mt t. - Cng khai mc n b. - Tuyn truyn nng cao nhn thc n b cho cng ng. - Ngi b nh hng c nhn bi thng, h tr m bo s cng bng. - Cc h BAH c thng bo v tham gia y trong qu trnh Bo co nh gi tc ng mi trng Thc hin 1 ln trc khi thi cng Tnh theo nh mc ca nh nc Vit Nam v WB. Thanh tra S TNMT T vn gim st RAP Ch d n kt hp vi Ban n b GPMB huyn B Trch. Bin php gim thiu K hoch thc hin Kinh ph n v gim st n v thc hin Ch tiu gim st

D n Khu neo u trnh tr bo cho tu c Ca Gianh GPMB 2. Giai on thi cng: 2.1. nhim khng - u t cc phng tin thi cng hin i gim tiu hao kh (bi, kh thi) nhin liu, gim lng kh thi ra mi trng. Khng s dng cc phng tin vn ti qu c c mc pht thi vt qu tiu chun cho php. - Trang b y bo h lao ng cho cng nhn lm vic trn cng trng nh khu trang, qun o bo h, gng tay, m bo him... - Phn lung cc phng tin vn chuyn, khng tp trung cc phng tin thi cng ln trnh kh pht thi tp trung, to iu kin cc cht nhim pht tn trong mi trng khng kh; - Thit lp cc bin php kim sot c s tham gia ca dn v chnh quyn a phng: t cc bin bo, trm barie, lp cc t tun tra, hn ch tc v ti trng. - nh k gim st cht lng cht lng khng kh c bin php x l kp thi. 2.2.Ting n do phng tin vn chuyn v my thi cng. - S dng cc phng tin thi cng t tiu chun cho php v n, rung t nh hng n cng nhn xy dng, khu dn c gn d n; - Thng xuyn bo dng thit b nhm hn ch ting n do phng tin thi cng c gii to ra theo ng tiu chun mi trng quy nh; - Khng s dng cc my mc, phng tin qu c gy n ln Bo co nh gi tc ng mi trng Tro ng qu trnh no vt. Nm trong - Ban QLDA kinh ph - Thanh tra S xy dng. TNMT, - S Giao thng, - S Y t Nh thu SO2, NO2, CO, Bi, Ting n.

D n Khu neo u trnh tr bo cho tu c Ca Gianh vt qu mc tiu chun cho php; - nh k gim st mc ting n c bin php x l kp thi. - Khng thi cng gy n t 10h m n 5 h sng ti cc khu vc c ng dn c. - Phi tham vn cng ng a phng khi d kin thi cng vo ban m. Ch tin hnh thi cng vo ban m khi c cng ng cho php. - B tr lch thi cng hp l, hn ch tc ng ca ting n n mi trng dn c ln cn; khng vn chuyn nguyn vt liu vo ban m. - Nhc nh, khuyn khch ti x khng qu lm dng ci xe t. 2.3. nhim nc - S dng loi tu ht bn cng sut 2000CV thi cng no mt, nc ngm v vt v c trng cng ngh ca tu ht l ch ht, khng khuy t. sc. - Tu ht m bo tnh trng k thut, m bo cht lng thi cng. - To b v rnh thot nc bao quanh cc bi cha bn (gm khu A v Khu B) nhm hn ch s chy trn bn ra khu vc xung quanh. - Ti khu A: to mng thot nc tm thi dn nc thi t bn v nc ma chy trn t bi thi ra sng Thanh Ba. - Thu gom, no vt cc mng thot nc trong qu trnh thi cng lng nc ma chy trn, hn ch ra tri, xi mn t, ng thi to iu kin cho cc qu trnh lng s b nc ma chy trn trc khi thi ra sng Thanh Ba. Tr li hin Bo co nh gi tc ng mi trng Trong G thi cng. Nm trong - Ban QLDA kinh ph - Thanh tra S xy dng. TNMT, - S Giao thng, - S Y t Nh thu pH, DO, COD, BOD5, SS, tng st, NO3 , NO2-, Cu, Mn, Du m, + NH4 (12 ch tiu)

D n Khu neo u trnh tr bo cho tu c Ca Gianh trng vi tnh nng ban u cho cc rnh thot nc; - Ti khu B: bn thi phi c u tin t ng sang Ty (pha Ty lu thng vi sng Thanh Ba) nhm hn ch vic ng nc ma chy trn. To hng thot nc v pha sng Thanh Ba. - Hn ch cc hot ng thi cng lin quan n o p khi thi tit c ma ln. - Cc nguyn liu c hi nh xng, du... c b tr v tr hp l, xa ngun nc nhm trnh vic lm cc cht c hi trn vo ngun nc. Cc tu c bnh cha nhin liu ring, m bo tnh trng k thut, trnh vic r r, trn du trong qu trnh np liu, vn hnh. - Xy dng cc cng trnh v sinh tm thi trn b nh cng rnh thot nc, nh v sinh (cng trnh v sinh t thm) thu gom v x l nc thi sinh hot ca cng nhn ti cng trng. - Nng cao tay ngh v nhn thc ca ngi lao ng v ch tu thuyn, ng thi thng xuyn kim tra my mc thit b trn tu v trm np nhin liu tm mi cch hn ch r r du. - Lau chi du m ri vi bng gi ch khng nc ma cun tri chy trn xung sng. - Nng cao nhn thc cho cng nhn trong gi gn v sinh, bo v mi trng. - nh k gim st cht lng nc v trm tch. 2.4. Ly li mt v - Nghim cm vic vn chuyn bn t trong thi gian c ma. sinh do bn thi - Dng bt lt y tm thi ti cc im bt u xut pht (khu Bo co nh gi tc ng mi trng Trong G thi Nm trong - Ban QLDA kinh ph - Thanh tra S Nh thu

D n Khu neo u trnh tr bo cho tu c Ca Gianh vc bc xc v thi) nhm trnh bm dnh theo bnh xe. - Khng c ch qu y thng xe nhm trnh gy ri vi trn dng. - Nu c t bn ri vi trn ng phi tin hnh thu dn ngay, m bo tuyn ng vn chuyn phi lun sch s . 2.5. Xi l vng ln - Lp k hoch thi cng hp l, m bo qu trnh thi cng lin Trong sut Nm trong cn. tc, khng b gin on. c bit sau khi no vt cn tin hnh qu trnh kinh ph ngay cng tc xy k, bao ngn chn s c xi l b do no vt. xy dng. tc ng ca dng chy v thy triu. - u tin vic no vt, thi cng cc hng mc san lp... vo thi gian c mc nc sng thp nht. 2.6. nh hng n h sinh thi trong khu vc. - Tin hnh no vt trong khu vc xc nh, trnh lm nh Trong sut Nm trong - Ban QLDA hng n cc khu vc xung quanh. Tp kt vt liu no vt ti qu trnh kinh ph - Thanh tra S bi cha ng quy nh, khng vo cc vng ln cn hoc no vt. xy dng. TNMT, r r, chy trn nh hng n vic nui tm ca ngi dn - S Giao thng, v h sinh thi trong vng. - Ch u t - Thc hin tt cc bin php thi cng ph hp nhm hn ch thp nht tc ng n mi trng nc (nh trnh by phn trn). - nh k gim st nhng bin i mi trng sinh thi, tham kho kin cng ng a phng tng cng cc bin php qun l v nng cao nhn thc trong bo v ngun li thy sn t nhin. 2.7. nhim do cht thi rn pht sinh - B tr thng rc ti khu vc xy dng thu gom v phn loi rc. - Vn chuyn n bi x l rc vi s ng ca chnh quyn Trong sut Nm trong - Ban QLDA qu trnh kinh ph - S TNMT thi cng. xy dng. S Y t Nh thu Nh thu - Ban QLDA - Thanh tra S TNMT, - S Giao thng, Nh thu cng. xy dng. TNMT, - S Giao thng, - S Y t


D n Khu neo u trnh tr bo cho tu c Ca Gianh a phng. 2.8. S c mi trng - Tin hnh r ph bom mn trong khu vc d n trc khi tin hnh no vt - S dng cc thit b chuyn dng r ph bom mn hin i - n v thc hin phi c nng lc v cc chuyn gia v r ph bom mn - Thng bo cho chnh quyn a phng v ngi dn xung quanh v k hoch thc hin r ph bom mn t nht 1 tun trc khi thc hin. - a ngi v gia sc v tu thuyn ra khi vng d n trong thi gian thc hin (trong phm vi an ton 300m). - t bin bo nguy him cm ngi v gia sc vo khu vc d n. - Cc loi vt liu n, bom mn pht hin phi c qun l cht ch v bo co cho c quan chc nng qun l, x l. Khng c bun bn hay tht thot ra ngoi. 3. Giai on vn hnh d n: 3.1. Hot ng ca tu ra vo cng neo u: nh hng h sinh thi thy sinh trong khu vc Hn ch khu vc cng v bn c theo ng quy hoch v thit k. Tng cng bo v mi trng v duy tr cc h sinh thi t nhin cc vng ln cn Ngoi ra, bo tn s a dng sinh hc v h sinh thi thy Bo co nh gi tc ng mi trng Ch u t Trc khi Nm trong Ban QLDA thi cng kinh ph - S TNMT xy dng. S Y t Ch u t Nh thu

D n Khu neo u trnh tr bo cho tu c Ca Gianh sinh nhm m bo ngun li thy sn, ngh tnh cn c cc chng trnh bo tn sinh thi bin, tng cng cng tc gio dc, nng cao thc bo v ngun li thy sn cho ngi dn trong khu vc. Gia tng nng Cc phng tin, thit b chuyn ti, cha du c thng 6 thng/ln du m ngun nc xuyn kim tra bo tr trnh r r, ri vi. mt Nng cao nhn thc ca ch tu thuyn v i ng lm vic ti BQL Cng v khu dch v v vic gim thiu lng du m ri vi. nh k gim st nng du trong nc kp thi nh gi mc nhim v c bin php x l, i ph nhim khng kh do kh thi ca tu Thng xuyn bo hnh, kim tra cc loi my mc, phng tin thit b hot ng ti khu d n theo ng nh k; - Khi tu thuyn v neo u trong vng nc ca Khu d n, nghim cm cc phng tin no ng khi trn khu vc; - Khng dng cc thit b lnh c tc nhn l CFC (Clorua Fluozon Cacbon) hoc cht HCFC (Hyr Clorua Fluozon Cacbon). Khu d n ch nn dng cc thit b c tc nhn lm lnh l NH3. S c tai nn giao thng ng thy, ng b v nguy c trn du - S dng cc phng tin giao thng m bo cht lng - Tun th lut an ton giao thng; t thm cc bin bo khu vc cng trng; bin bo hng dn lung lch, b sung n chiu sng. - Chun b sn sng lc lng cu h v cc phng n ng ph nu s c xy ra. Bo co nh gi tc ng mi trng 6 thng/ln Kinh ph - S TNMT bo v MT - S Y t ca Ban - Ban qun l QL Cng cng v Khu Hu cn Ngh c Kinh ph - S TNMT bo v mi - S Y t trng ca - Ban qun l Ban Qun cng l Cng v Khu Hu cn Ngh c

D n Khu neo u trnh tr bo cho tu c Ca Gianh 3.2. Hot ng ca cc dch v ngh c. nhim khng kh - H thng ng, bi trong khu dch v u phi c ri nha, b tng, trnh bi cun khi c gi to hoc cc phng tin ra vo khu vc d n; - Thng xuyn x l thng thong nh phn loi hi sn, kho lnh gim thiu mi hi thi pht sinh do qu trnh phn hy ca cc hp cht hu c, du m ng vt cc ph thi,... - Bi tip nhn phn loi hi sn phi c c ra thng xuyn bng h thng bm ra p lc cao (c b tr trong d n) hn ch mi tanh ca c; - Khng vt, cc ph thi (vy c, rut c, v tm,...) xung mng rnh thot nc, xung sng hoc khu vc khu dch v gy nhim mi trng khng kh; - Cc phng tin giao thng thy, b khng m bo an ton, thi khi v kh c ln, r r ha cht, xng du khng cho vo khu dch v v khu neo u; - Trng cy xanh trong khun vin khu vc ti thiu 20% din tch khu vc to bng mt v chng bi. - hn ch ti thiu ting n, rung trong khu vc khu dch v cn thng xuyn bo hnh, kim tra cc loi my mc, phng tin thit b hot ng theo ng ch nh k; - Cc ng c my mc pht ra ting n ln phi lp cc ng gim thanh; - Khi cc tu thuyn v neo u trong vng nc ca khu d n, nghim cm cc phng tin ko ci ty tin. Bo co nh gi tc ng mi trng Kinh ph - S TNMT bo v mi S Y t trng ca - Ban qun l Ban Qun cng l Cng v Khu Hu cn Ngh c

D n Khu neo u trnh tr bo cho tu c Ca Gianh Gia tng nhim nc do nc thi Cc loi nc thi pht sinh phi tin hnh thu gom v b 6 thng/ln x l nc thi chung ca khu d n x l t tiu chun v sinh trc khi ra mi trng tip nhn. * Nc thi sinh hot: s c x l bng phng php sinh hc da trn nguyn tc phn hu cc cht hu c trong iu kin ym kh, sau tp trung v h cha dng cho mc ch ti cy hoc thi ra mi trng. * Nc thi t nh v sinh:c x l trong cc b t hoi. B t hoi c xy ngm di t l mt cng trnh ng thi lm hai chc nng: lng v phn hu cht hu c. * Nc thi t khu dch v hu cn, khu neo u: Nc ra tu thuyn, nc ba lt trong hm tu khng c thi trc tip xung sng trong khu vc bn, m phi c bm theo ng ng tp trung v khu x l nc thi. Ti cu bn xy dng cc b cha nc thi bng b tng, khi tu thuyn cp bn yu cu bm nc ba lt, nc ra tu thuyn ln cc b cha ny. Sau nc thi t thng cha ny c bm vo b x l nc thi. i vi cc tu thuyn neo u ti khu neo u tr bo th dng tu thu gom nc thi n tng nhm tu thu gom ri bm ln b x l chung ca khu vc. Nc ra c, nc ra sn ti nh phn loi v cc c s ch bin u c thu gom theo h thng ng ng c kch thc 300 mm tp trung v b x l nc thi, cc loi nc thi ny c lm sch bng cc phng php sau: - Lm sch c hc: Nc thi c lc qua li kim loi ti Bo co nh gi tc ng mi trng Kinh ph - S TNMT bo v mi S Y t trng ca - Ban qun l Ban Qun cng l Cng v Khu Hu cn Ngh c Ban qun pH, DO, l cng BOD5, COD, cht rn l lng, st tng s, Mangan, Amoniac...

D n Khu neo u trnh tr bo cho tu c Ca Gianh cc b thu gom, b lng tch cc loi cht thi rn ln vo nc nh vy c, rut c, thu gom i ch bin lm thc n gia sc, nc qua b lng tch cc cht l lng, huyn ph. - Sau nc thi c lm sch theo phng php sinh hc qua cc b lng lc, keo t lc b cn th, phn hy sinh hc ym kh v hiu kh. * H thng thot nc ma chy trn: H thng thot nc ma c kt cu bng b tng M200 ti ch, lt trng bng va M75 v c np y b tng ct thp M200. Rnh thot nc c dc thch hp t chy xung ra h thng thot nc chung, trnh hin tng ngp ng khu vc. Sau khi x l, nc thi t tiu chun loi B theo TCVN 5942:1995 - Cht lng nc - Tiu chun cht lng nc mt v theo TCVN 6774:2000 - Cht lng nc - Cht lng nc ngt bo v i sng thy sinh s c a vo h thng nc mt sng Thanh Ba hoc c s dng ti cy. nhim do rc thi - Rc thi do s ch hi sn nh u c, rut c, vy c, phi c thu gom li mang i ch bin lm thc n gia sc; - Nghim cm cc loi rc thi, vt dng thi vo khu vc nc ca bn neo u; - Rc thi sinh hot phi c thu gom bng thng ng rc kn, ti khu dch v hu cn phi c thng ng rc loi khong 100 l thu gom rc thi hng ngy a i x l; - i vi rc thi ti khu nc, Ban qun l cng cn c bin php Bo co nh gi tc ng mi trng 6 thng/ln Kinh ph - S TNMT bo v mi S Y t trng ca - Ban qun l Ban Qun cng l Cng v Khu Hu cn Ngh c - Ban qun l cng

D n Khu neo u trnh tr bo cho tu c Ca Gianh qun l cht ch nh: dng mt thuyn chuyn thu gom rc trn khu vc thng xuyn neo u thuyn, thu l ph thu gom, x l rc i vi cc ch thuyn. - Ban qun l khu neo u phi hp ng vi i v sinh mi trng a phng thu gom rc thi hng ngy; - Trnh t, chn lp ty tin gy nhim mi trng xung quanh. - Quy hoch v qun l tt cc khu chn lp trm tch no vt nh k 3.3. Hot ng no vt nh k: Gia tng xm nhp mn nh k gim st mn vng h lu sng Gianh v sng Thanh Ba c cc nh gi kp thi. 1 ln trong Kinh ph qu trnh BVMT ca Ban QL no vt Cng 1 ln trong Kinh ph qu trnh BVMT ca no vt Ban QL Cng - S TNMT - Ban qun l cng - S TNMT - Ban qun l cng - Ban qun l cng - Ban qun l cng

- nh hng h sinh thi khu vc

- Tin hnh no vt trong khu vc xc nh, trnh lm nh hng n cc khu vc xung quanh. Tp kt vt liu no vt ti bi cha ng quy nh, khng vo cc vng ln cn hoc r r, chy trn nh hng n vic nui tm ca ngi dn v h sinh thi trong vng. - Thc hin tt cc bin php thi cng ph hp nhm hn ch thp nht tc ng n mi trng nc. - nh k gim st nhng bin i mi trng sinh thi, tham kho kin cng ng a phng tng cng cc bin php qun l v nng cao nhn thc trong bo v ngun li thy sn t nhin.

- nhim khng kh, ting n

- u t cc phng tin thi cng hin i gim tiu hao nhin liu, gim lng kh thi ra mi trng. Khng s dng

1 ln trong qu trnh

Kinh ph - S TNMT BVMT ca - Ban qun l

- Ban qun l


D n Khu neo u trnh tr bo cho tu c Ca Gianh cc phng tin vn ti qu c c mc pht thi vt qu tiu chun cho php. - S dng cc phng tin thi cng t tiu chun cho php v n, rung t nh hng n cng nhn, khu dn c gn d n; - Thng xuyn bo dng thit b nhm hn ch ting n do phng tin thi cng c gii to ra theo ng tiu chun mi trng quy nh; - Khng s dng cc my mc, phng tin qu c gy n ln vt qu mc tiu chun cho php; - nh k gim st mc ting n c bin php x l kp thi. - Khng vn chuyn bn t 10h m n 5 h sng khi qua cc khu vc c ng dn c. - Nhc nh, khuyn khch ti x khng qu lm dng ci xe t. - nhim nc mt - S dng loi tu ht bn cng sut 2000CV thi cng no vt v 1 ln trong Kinh ph c trng cng ngh ca tu ht l ch ht, khng khuy sc. qu trnh BVMT ca Ban QL - Tu ht m bo tnh trng k thut, m bo cht lng thi no vt Cng cng. - nh k gim st cht lng nc v trm tch. - S TNMT - Ban qun l cng - Ban qun l cng no vt Ban QL Cng cng cng


Bo co nh gi tc ng mi trng D n Khu neo u TTB cho tu c Ca Gianh 4.2 Cc bin php ng ph s c mi trng 4.2.1 S c trn du S c du trn xy ra thng gy hu qu nghim trng, nht l trong sng, vnh hoc vng ven b, khi lng du thot ra ngoi gy nhim mi trng, nh hng xu n sinh thi v thit hi n cc hot ng kinh t, c bit l cc hot ng c lin quan n khai thc v s dng cc dng ti nguyn thu sn ca cc t chc, c nhn hot ng trong lnh vc nui trng thy sn, du lch bin,.. Cc hot ng i ph vi s c trn du nhm mc ch ngn nga v hn ch ti a lng du loang ra mi trng, t hn ch nh hng xu ca chng n mi trng, c bit, n cc ngun nc, cc h sinh thi thu sinh, cc h sinh thi bin v ven bin, gim thit hi kinh t trc mt v lu di. Qua phn tch hin trng mi trng v d bo tc ng ca d n khi i vo hot ng, c th a ra cc bin php gim thiu cc tc ng xu n mi trng khu vc nh sau: - n v qun l Khu dch v phi lp k hoch ng cu s c trn du khi c tai nn tu thuyn v cc s c khc gy trn du trong khu vc mnh qun l. Xc nh cc khu vc cn u tin bo v, trang b cc thng tin lin lc gim st, bo ng. Lp k hoch phi hp vi cc c quan chc nng ca a phng v Trung ng ng trn a bn kim tra vt du, phi hp x l, gim thiu tc ng ca du trn i vi mi trng khu vc; - Khi cc tu thuyn bm rt du phi c trang b my bm rt du bo m an ton, hn ch mc thp nht s ri vi du trn mt t, mt nc trnh nhim du vng t, vng nc. Thit b cha xng du, h thng ng ng cung cp chuyn ti du phi c kim tra thng xuyn, nht l cc mi ni, van, nhng v tr tho lp thng xuyn phng chng s c r r, hng hc gy trn du; - Trang b cc phng tin v a vo quy nh vn hnh thao tc cn thit phng nga v x l s c mi trng trong qu trnh bm du xung tu. C th l c phao ngn du ln vy quanh tu v khu vc lin quan; vt liu thm du c c s d phng. + Trong khu dch v c trang b cc thit b k thut ng cu s c trn du gm c: - H thng phao ni ngn du loang; - Tu thuyn x l du loang; - Tm ht du loang; - Cc loi ha cht cn thit nh cc cht hp th, ty ra du, cc dng c gom du trn b nh cuc, xng,... v trang b bo h cho ngi thu dn du loang nh: ng, gng tay, qun o bo h,... Ngoi ra, phng nga nguy c nhim mi trng bi cc ha cht c bit c hi, cn thc hin cc bin php sau: (1) Ngn cm khng cho tu thuyn c vn chuyn cc cht c hi, phng x nguy him m Lut php cm bun bn, s dng vo khu vc neo u; (2) Khng lu tr cc hng c hi, ha cht nguy him ti khu dch v. 4.2.2 S c chy n Bo co nh gi tc ng mi trng

D n Khu neo u trnh tr bo cho tu c Ca Gianh - Khu neo u tu thuyn l ni c nguy c chy n cao. V vy ngoi yu cu phi hun luyn, gio dc tuyn truyn thc v trch nhim phng chng chy n (PCCN) cho cn b cng nhn vin v ng dn trong Khu vc neo u, cn phi c cc gii php k thut phng chng chy n theo quy nh ca Php lut. Cc gii php PCCN c bn gm: - Thit k lp t h thng cha chy c nh cho Khu neo u theo thng t s 15/2001/TTLT - BTM - BCA ngy 10/05/2001; - H thng in trong Khu dch v, trn tu thuyn phi c lp t theo TCVN 5334 - 91: Qui phm k thut an ton trong thit k v lp t. Cc dy dn, cp in trong Khu dch v c chn ngm, cc thit b in loi phng n c an ton cao. - Cc my mc thit b lm vic phi c ng kim thng xuyn ti c quan chc nng v c ngun gc xut x r rng; - Cc cng trnh ca Khu neo u phi c b tr cho ph hp vi Ngh nh s 10/N-CP ngy 17 thng 2 nm 1993 ca Chnh ph v vic Ban hnh quy nh v bo v an ton cc cng trnh xng du. * H thng chng st Khu vc neo u c thit k v lp t bao gm: - Chng st nh thng: Xy dng h thng chng st nh trn nc nh lm vic, nh tip nhn thy sn, nh kho, thp nc, m bo in tr ni t ton h thng Rn 5; - H thng my mc hot ng ti khu dch v phi thit k chng st theo Tiu chun xy dng TCXD 46 - 1984. Ngoi ra s thm nhp ca st theo ng dy thng tin, dy ti in,... vo bn trong gy chy, chp in cc thit b, do vy vic trang b h thng chng st m bo yu cu k thut thit k v kim tra thng xuyn cc thng s k thut ca h thng chng st l iu ht sc cn thit. 4.2.3 S c thin tai (bo, l) Trang b y cc iu kin cn thit ng dn, c bit l ng dn vng lai trnh tr bo an ton, gm: - a im trnh tr cn c b tr ti v tr khng cch xa khu cng, c ng i thun li, c cc iu kin v sinh cn thit. - Lp t bin ch dn r rng ng i n cc v tr trnh tr ngay ti cng, - Vo u ma bo, cn chun b sn nc ung, thuc, lng thc ti cc v tr trnh tr bo tp trung. - T chc tp hun cho nhm tnh nguyn a phng sn sng tham gia cu tr khi c bo, l. 4.3. Cc bin php gim thiu tc ng n kinh t - x hi: - Chnh quyn a phng v nh thu cn c s phi hp cht ch tng cng qun l cn b, cng nhn xy dng cng nh thanh nin a phng ti khu vc d n. - Nh thu cn phi hp vi chnh quyn a phng, cng an hn ch, ngn chn cc t nn x hi, tng cng tuyn truyn, gio dc thc, tinh thn k lut, tinh thn u tranh chng cc t nn x hi cho cng nhn v ngi dn a phng. Bo co nh gi tc ng mi trng

D n Khu neo u trnh tr bo cho tu c Ca Gianh - Nh thu c trch nhim m bo cho cng nhn c tp hun c bn v an ton lao ng, phng trnh bnh ngh nghip ph hp vi mc trch nhim ca h, thc tit kim nguyn vt liu, gim thi v thc bo v mi trng, b tr mt nhn vin v lnh vc an ton, sc khe v qun l mi trng c kinh nghim m trch cng tc ny; - Trang b cc trang thit b bo h lao ng o, giy, m, gng tay,y cho cn b cng nhn thi cng trn cng trng ph hp vi tnh cht cng vic. c bit i vi cng nhn lm vic nhng ni n, bi cn trang b cc nt tai, khu trang, knh, - Cng khai cc bin php bo v mi trng nhn dn a phng bit. Cng tc ny ch yu nhn dn hiu r v gim st qu trnh thc hin d n, nhm m bo tnh nghim ngt ca cng tc bo v mi trng, pht huy vai tr gim st ca cng ng.


Bo co nh gi tc ng mi trng D n Khu neo u TTB cho tu c Ca Gianh Chng 5 K HOCH QUN L MI TRNG K hoch qun l mi trng bao gm cc th ch, cc bin php gim st v gim thiu c tin hnh trong qu trnh trin khai d n nhm loi b, khc phc hoc gim thiu cc tc ng n mi trng v x hi n mc c th chp nhn c. K hoch ny cng bao gm cc bin php t chc v ti chnh cn thit m bo thc hin c k hoch. 5.1. Cc cng trnh x l mi trng. * Trong giai on thi cng xy dng d n - i vi bi: S dng tn che chn ton b khu vc xy dng; S dng nc phun m nn ng - i vi nc thi: B tr h thng thot nc tm trn khu vc cng trng thot nc ma; Xy dng khu nh v sinh tm thu gom v x l nc thi sinh hot v cht thi c nhn; - i vi rc thi: B tr cc thng chuyn dng thu gom rc trn khu vc thi cng. * Trong giai on vn hnh d n - i vi mi hi: S dng Clorin ty ra - i vi nc thi: + Xy dng h thng thot nc bao quanh cc khu chc nng thu gom v thot nc ma; + Xy dng cc khu nh v sinh t hoi ti cc khu chc nng; + Xy dng h thng x l nc thi. - i vi cht thi rn: B tr cc thng chuyn dng ti khu chc nng thu gom rc thi. - Cc thit b k thut ng cu s c chy n, trn du gm c: + Xy dng h thng chng st trong khu dch v. + Bnh bt chng chy. + H thng phao ni ngn du loang. + Tu thuyn x l du loang + Tm ht du loang. + Cc loi ha cht cn thit nh cc cht hp th, ty ra du, cc dng c gom du trn b nh cuc, xng,... v trang b bo h cho ngi thu dn du loang nh: ng, gng tay, qun o bo h,... 5.2. Cc chng trnh qun l mi trng: Xy dng quy ch vn hnh v qun l, bo v mi trng trong khu vc khu neo u. n v qun l khu neo u s b tr mt b phn nhn vin (khong 3 5 ngi) thu gom v qut dn v sinh trong khu vc. Tin lng tr cho nhn vin s c thu ph t cc tu vo neo u trong khu vc. Bo co nh gi tc ng mi trng

D n Khu neo u trnh tr bo cho tu c Ca Gianh 5.3 Vai tr ca cc bn lin quan trong thc hin bin php gim thiu mi trng 5.3.1 Vai tr v trch nhim ca ch u t Ch u t c nhim v m bo cc iu khon sau: - Bin php gim thiu c xut trong Bo co nh gi tc ng mi trng c a vo iu kin hp ng trong h s mi thu v hp ng thi cng cng trnh. - m bo vic b tr kinh ph thc hin vic gim st mi trng v Gim st s tun th theo ng K hoch Qun l Mi trng. - T chc thc hin quan trc mi trng v gim st vic thc hin cc bin php gim thiu mi trng theo cc yu cu nu trong bo co nh gi tc ng mi trng. - Phi hp vi cng ng v chnh quyn a phng ni c hng li ca d n thc hin vic gim st mi trng. Cc nhim v chi tit ca ch u t bao gm: 5.3.1.1 Vai tr v trch nhim ca ch u t trong giai on thit k v chun b thi cng - Da trn kt qu iu tra v chnh sch n b tho thun vi WB n b tho ng cho nhng ngi b nh hng. Gim st thc hin vic n b mt cch cht ch. - Thng bo qua cc phng tin thng tin i chng t nht 1 tun trc khi tin hnh ph d ng thi cm bin thng bo yu cu thi gian, tin gii phng mt bng (nh tha thun vi cc h dn khi nhn tin n b). Thng bo, cm bin thng bo thi gian v cc tuyn giao thng cn hn ch hot ng. - Kim tra m bo vic thc hin y cc bin php gim nh mi trng v vic qun l gim st mi trng c kt hp cht ch trong u thu v bn hp ng. - m bo nh thu c chn phi nhn thc c cc iu khon v yu cu gim nh. S dng cc iu khon trong hp ng xy dng yu cu nh thu thc hin cc bin php gim nh v mi trng. - Kim tra phn kinh ph thc hin K hoch qun l mi trng, trong c chng trnh gim st mi trng trong tng d ton ca d n. 5.3.1.2 Vai tr v trch nhim ca ch u t trong giai on thi cng v vn hnh: BQL D n s ch nh mt cn b c nhim v kim tra s an ton ni thi cng cng nh cc vn mi trng ca D n trong giai on thi cng. Cn b ny s theo di tng th m bo vic thc hin D n tun th K hoch QLMT v c trch nhim gi lin h vi cc cn b mi trng ca CPO v t vn gim st mi trng cng nh gi lin h vi cn b mi trng v an ton lao ng ca Nh thu. - Lp phng n khai thc nc ngm phc v thi cng v trnh c quan hu quan ph duyt, cp php khai thc. - Phi hp cht ch vi t vn gim st xy dng trong khi gim st vic thc hin bin php gim nh tc ng mi trng ca nh thu; - m bo vic b tr kinh ph v t chc thc hin gim st mi trng theo chng trnh xut trong K hoch Qun l Mi trng ny. - nh k 6 thng Ch u t phi lp bo co gim st mi trng trong nu cc bin php gim thiu mi trng Nh thu thc hin; kt qu o c, gim st cht lng nc, Bo co nh gi tc ng mi trng

D n Khu neo u trnh tr bo cho tu c Ca Gianh khng kh thc hin v gi cho WB; kin ca nhn dn (nu c) v nh hng mi trng ca d n. 5.3.2 Vai tr v trch nhim ca t vn thit k - T vn thit k xy dng k hoch no vt chi tit v cc bin php x l cc thnh phn nhim trong trm tch, bao gm: (1) M t chi tit v thit b, phng php, thi gian, tin ; (2) Cht lng v khi lng trm tch no vt (ly b sung mu t phn tch thnh phn vt l v cht lng trm tch no vt. Phn tch chi tit v tc hi v phng php x l cc cht c hi (nu c); (3) R sot v nh gi li cc bin php chn lp xut trong Bo co Kh thi...; Xy dng d ton no vt (bao gm c phn kinh ph gim thiu cc tc ng tiu cc tim tng do no vt gy ra nh xut trong Chng 4, nh: xy dng lp chng thm, p quy, x l trm tch bng vi, san u khi chn lp - T vn thit k c trch nhim kt hp cc bin php gim thiu nh hng mi trng, k c cc hng mc x l nc thi, rc thi vo h s thit k, d ton v h s mi thu thi cng. 5.3.3 Vai tr v trch nhim ca chnh quyn a phng (UBND cc x vng d n) - Thc hin tt cng tc qun l hnh chnh v qun l nhn khu m bo s an ton v n nh a phng. - Phi hp vi Nh thu trong vic thng bo ti cc h dn b nh hng, c bit l cc h nui tm, v cc hp ng thi cng v no vt ngi dn ch ng ln k hoch ti nh c v di di tu b ra khi khu vc cng trng. - Phi hp vi nhn dn v nh thu thc hin cc bin php kim sot hn ch tc v ti trng cc loi xe my thi cng. - Ch ra v tr t thi hp l. - Kp thi chuyn nhng gp , quan im v kin ngh ca nhn dn a phng v nh hng mi trng ca d n ti Ch u t v Nh thu cng phi hp gii quyt. - Trong giai on qun l vn hnh, chnh quyn a phng s phn cng n v chu trch nhim thu gom, vn chuyn cht thi v a n v tr x l tp trung ti bi rc tp trung. 5.3.4 Vai tr v trch nhim ca nh thu thi cng Nh thu thi cng c trch nhim tun th thc hin cc bin php gim nh theo iu khon trong hp ng. Nhng yu cu di y s c a vo h s mi thu v hp ng thi cng k vi Nh thu: Cc nhim v mi trng chung ca Nh thu: Nh thu cn thc hin y (nhng khng gii hn) cc nhim v mi trng sau y: - Tun th y cc quy nh v mi trng Vit Nam. - Thc hin cng vic theo ng yu cu ca hp ng v cc iu khon u thu khc. C cc cn b i din tham gia vo vic gim st khu vc thi cng cng vi BQL D n, S TN-MT, t vn gim st c lp, cc t cng tc ca Ngn hng Th gii v c trch nhim trin khai cc nhim v m K s gim st yu cu. - Cung cp v cp nht thng tin cho BQL D n v cc hot ng thi cng c kh nng gy ra hoc lm trm trng thm cc vn mi trng.


D n Khu neo u trnh tr bo cho tu c Ca Gianh - Dng ngay cc hot ng thi cng gy tn thng n mi trng ngay sau khi nhn c yu cu ca K s gim st, BQL D n, v xut v thc hin cc phng n khc ph hp hn, nu cn, nhm gim thiu cc tc ng mi trng. - Hon tr mt bng s dng trong qu trnh thi cng; San lp hon chnh cc khu vc khai thc vt liu. Nh thu cng phi sa cha, hon tr hin trng ca ng giao thng v cc cng trnh h tng c s khc nu vic thi cng lm h hng, xung cp cc cng trnh ny. - Nh thu phi bo co tnh hnh thc hin cc bin php gim thiu cc tc ng mi trng tiu cc v cc kin ngh trong cc bo co tin np cho cn b gim st D n v cc c quan lin quan. Cc nhim v c th ca Nh thu Chun b K hoch No vt Trong vng 01 thng k t khi k kt hp ng cho ti trc khi trin khai thi cng, Nh thu s phi xy dng k hoch no vt chi tit, bao gm cc bin php gim thiu v chng trnh gim st mi trng v np cho BQL D n v cn b mi trng ca CPO xem xt v ph duyt. - C cn b ph trch v mi trng v an ton lao ng. Nh thu c cn b ph trch v cc vn mi trng v an ton lao ng s phi c mt thng xuyn trong qu trnh thi cng v c trch nhim thc hin cc cng vic sau: - Ch tr cc bui lm vic vi cng nhn thng bo cc quy nh v bo v mi trng v an ton lao ng. - Thc hin kho st mi trng khu vc d n kim tra xem hin trng d n, thit b v phng php thi cng c ph hp vi yu cu gim thiu cc tc ng mi trng tiu cc. - Gim st vic thc hin cc bin php gim thiu mi trng ca Nh thu cng nh s tun th cc gii php bo v mi trng, phng nga v kim sot nhim v cc iu khon yu cu trong hp ng. T vn cho K s trng v ci thin mi trng, nng cao nhn thc v cc bin php ch ng phng nga nhim. - Tin hnh iu tra v np xut cc bin php gim thiu mi trng cho Nh thu trong trng hp pht hin ra cc vn cha tun th quy nh chung. Tham gia vo vic gim st v trin khai cc bin php x l mi trng nhm gim bt cc tc ng xu. - Cp nht y trong nht k thi cng v cc vn mi trng v an ton lao ng pht sinh trong qu trnh thi cng, bao gm cc vn mi trng cha c d bo v cc bin php ng ph, iu chnh cn thit. - Tin hnh cc cng tc gim st b sung m K s gim st hoc BQL D n yu cu. - Bo co nhanh cho t vn gim st mi trng c lp v cc cn b gim st khc theo s hng dn ca K s trng v tt c cc vn thi cng lin quan n mi trng. - Tun th cc quy nh v an ton lao ng: Nh thu c trch nhim gi an ton cho con ngi v ti sn cc khu vc xung quanh trn mt t cng nh cc thy vc. Nh thu phi tun th cc yu cu v an ton ca Nh nc v a phng v cc bin php khc nhm trnh khng xy ra tai nn, bao gm: - Trong vng 2 tun k t khi bt u thi cng, Nh thu t chc bui hp vi cng nhn, bao gm c lao ng a phng lm vic khu vc cng trng, ph bin thng tin v cc quy nh v bo v mi trng, an ton lao ng ti khu vc thi cng. Bo co nh gi tc ng mi trng

D n Khu neo u trnh tr bo cho tu c Ca Gianh - Trang b cc thit b y t cp cu ti tt c cc ln tri cng nhn. - B tr bin bo r rng, cn thn cc ng i an ton cho ngi v phng tin qua li, bao gm c ng b v ng thy. - m bo cc bin bo, n tn hiu lm vic tt, c bit l ng thy. - Lp t bin bo, c bo hiu khu vc cng trng v hn ch tc cc ng giao thng (ng b v ng thy) gn khu vc ny. - T chc tp hun v an ton lao ng cho cc cng nhn cng trng trc khi bt u cng vic. - Cung cp cc thit b v qun o bo h lao ng ph hp (nh gng tay, ng, mt n) cho cng nhn v bt buc h s dng. - Khi c thin tai bo l hoc s c khn cp, phi dng ton b hot ng thi cng. Trin khai K hoch Ph bin Thng tin Cng ng - Phi hp vi Ch u t v chnh quyn a phng thng bo cng khai qua cc phng tin thng tin i chng v k hoch trin khai thi cng; cm bin thng bo thi gian thi cng v cc tuyn giao thng thy cn hn ch hot ng phc v thi cng. - Nh thu c khuyn khch s dng lao ng a phng cho nhng cng vic n gin ti cng trng. - Nh thu phi thng bo vi Chnh quyn a phng v danh sch cng nhn tm tr ti a phng; - Thng bo cho a phng v k hoch thi cng xy dng, no vt, o p cng nh vic gin on cung cp cc dch v, cc ng trnh cho tu thuyn. Vic thng bo ny c tin hnh cng sm cng tt v c nhc li trc khi thi cng t nht 01 tun. - Trao i vi cng ng a phng nu cn phi thi cng vo ban m. Vic thi cng vo ban m ch c thc hin nu nh cng ng cho php. - Tt c cc cng trnh c s h tng, nh ng x, h thng cp nc, ti tiu b h hng trong qu trnh thi cng s phi c phc hi theo yu cu ca ngi dn a phng v K s trng. - Vic tm thi cc vt liu no vt phi trnh xa cc h thng thot nc hin ti. Qun l ln tri - B tr khu ln tri, bi xe my v vt liu ngoi vnh ai bo v v sinh bao quanh cc ngun cp nc ung, nc sinh hot tp trung nu c bo v v trnh nhim ngun nc, bo m khai thc s dng an ton v phng trnh dch bnh. - Cung cp cc iu kin v sinh c bn cho cc khu ln tri: b tr nh v sinh lu ng, thng thu gom cht thi sinh hot, C hoc k hp ng vi n v chu trch nhim thu gom, phn loi, vn chuyn v x l cht thi ti bi thi tp trung. - Nh thu phi d b cc ln tri, cc khu nh kho v dn dp mt bng khi vic thi cng kt thc v trc khi Nh thu rt khi khu vc ny. Qun l cc hot ng thi cng - Cc phng tin bc xp, vn chuyn phi cn nin hn s dng v thng xuyn c duy tu bo dng, khuyn khch vic s dng cc phng tin, my mc, cng ngh tin tin, hin i. Khng chuyn ch vt liu qu cng knh v qu trng ti cho php nhm phng tai nn v Bo co nh gi tc ng mi trng

D n Khu neo u trnh tr bo cho tu c Ca Gianh khng vt liu ri vi trn ng. Cc thnh xe ti ni cha cc vt liu cng phi rt chc chn. Nhc nh ti x khng s dng ci xe ba bi. - Cc phng tin chuyn ch phi c che chn k vt liu khng ri vi v khng gy bi dc ng. Nu t ri vi trn ng gn cng trng (cch khong 100m tr li), Nh thu cn b tr t thu dn. - Nu thi cng cn tr lu thng th phi lm ng tm cho ngi i b v phng tin vn ti th s - B tr ngi cnh gii, hng dn giao thng (ng b v ng thy) trong khi cc phng tin ang tp kt vt liu ti cng trng, nht l nhng vt liu c th gy nguy him nh hc. - Nu thi cng trong ma kh, Nh thu phi quy bt hoc dng ro kn ngn, gim thiu lng bi pht tn n khu vc dn c ln cn. Nh thu phi ti nc ng trong phm vi 50 m k t khu vc thi cng khi thi tit kh, nng hoc quan st thy c nhiu bi bc ln. - Tun th cht ch k hoch no vt trm tch c ph duyt: xy dng ro chc xung quanh v lp vi a k thut pha di nhm ngn chn vic r r v thm cc vt liu no vt ra mi trng xung quanh; vt liu no vt bm vo khu vc chn lp cn c san u ch khng cht ng nhm trnh tnh trng nc ma cun tri cc vt liu no vt xung cc thy vc; phun nc dn u cc vt liu no vt gim b dy lp chn lp, gia tng mt thong, tng lng bc hi; san u b mt chn lp khong 3-4 ngy mt ln; v san lp vt liu ng vi cao thit k. Thng xuyn kim tra pH ca trm tch chn lp v nc mt cc khu vc ln cn. - Tn dng li vt liu tha, s dng t o p hoc san nn nhm gim lng cht thi xy dng v gim din tch bi thi. - Thc hin ng quy nh v thi b, thu gom, phn loi, vn chuyn v x l cht thi ti bi thi tp trung. Du thi v cc cht gy nhim dng lng khc, c bit l cc cht thi c hi phi c thi b ng quy trnh quy phm, tuyt i khng du m thi vo mi trng. - Khng thc hin cc hot ng thi cng gy ting n trong khong thi gian t 22h00 m n 5h00 sng cc khu vc dn c. - Khng tin hnh bo dng, thay du, nhin liu my mc thi cng ti cng trng m ch c tin hnh cc trm bo dng chuyn dng. du m thi phi c thu gom vo cc thng cha thch hp ti s dng hoc a v c s tip nhn. Tuyt i khng du, nhin liu thi ra t, ngun nc. - Khi tp kt my mc trn cng trng phi c bt che ph nhm hn ch du m dnh bn ngoi xe, r r ra khu vc xung quanh khi tri ma. Qun l cc kho cha ha cht v xng du Nu khu vc cng trng c cc kho cha nhin liu v ha cht th cn phi b tr cc bin bo r rng. Nh thu yu cu tt c cng nhn c k cc quy nh v an ton. - m bo cc kho ho cht, thit b, nguyn vt liu c b tr ni cao ro, t kh nng b ngp nc, xa cc ngun nc v phi c bo v ng quy nh. Khu vc lu tr nguyn vt liu l cht lng phi c g bao, mi che cc vt liu lng khng r r ra t, nc khu vc xung quanh. t bin bo nguy him i vi cc cht c hi v bin bo cm la i vi vt liu d chy, n. Che chn hoc c lp cc ng vt liu ri, to ng thot nc xung quanh cc ng vt Bo co nh gi tc ng mi trng

D n Khu neo u trnh tr bo cho tu c Ca Gianh liu ny sao cho vt liu ri khng th i vo dng chy ti ngun nc. Khi pht hin r r th thu gom x l ngay khng du loang ra t, nc xung quanh. - Khng t cc thng cha nha ng, nhin liu trc tip ln nn mt t m phi t trn cc tm lt (tm nha, bt) v c g chn vt liu khng ri vi, r r ra khu vc xung quanh. Qun l cc khu vc khai thc v cha vt liu xy dng - Vic khai thc cc khu vt liu mi (trn cn cng nh di nc) cn phi c s chp thun ca K s gim st v vic khai thc ny s phi dng nu nh K s gim st yu cu. Cn phi trnh cc khu vc khai thc lm cn tr cc h thng thot nc. Cc v tr khai thc trn sng cng khng c php nu c nguy c st l b sng hoc lm tng qu nhiu lng cc ht min h lu. - Nh thu phi m bo rng cc khu vc khai thc vt liu sau khi s dng phi trong tnh trng gn gng vi dc n nh v c san bng phng khng c cc h nc lu cu, nguy him cho ngi dn v l ni nhim, sinh si mui gy bnh. - Vic khai thc vt liu xy dng nh ct, , t phi c cp php bng vn bn. Trong trng hp nh thu mua t nh cung cp th nh cung cp phi chng minh c bng vn bn rng vt liu h cung cp l t nh khai thc c giy php. cc khu vc khai thc vt liu v chn lp, Nh thu cn phi: - Xc nh r v phn ranh gii cc v tr khai thc v tp kt vt liu. Cc khu vc ny cn cch t nht 15m cc khu vc quan trng hoc c a hnh c bit, nh c dc ln, c nguy c xi l cao hoc cc vng m nc x chy thng xung cc thy vc. - Hot ng khai thc v tp kt vt liu ch c php tin hnh cc khu vc c php. - o lp t pha trn trc khi tin hnh khai thc vt liu. Sau khi khai thc xong, lp t ny li c dng san lp bng phng tr li cc h vt liu vi dc thch hp cho vic thot nc ma. cc khu vc c dc ln, cn c cc ro chn, b bao quanh chng xi l. Sau khi cng vic kt thc, phi dn sch s tt c t v rc pht sinh. Trong trng hp tm thy cc hin vt: Trong qu trnh thi cng, nu tm thy cc th nh ha cht, vt liu chy n hoc cc di vt c hoc bt c hin vt g bt thng, Nh thu cn phi: - Dng tt c cc hot ng thi cng ti hin trng ni tm tht hin vt. - Phc ha li hin trng - Bo v hin trng khng xy ra hng hc hay mt mt cc vt tm thy. Nu cc vt tm thy l vt c c th d dng mang i c, cn b tr ngi bo v ban m cho ti khi cc nh chc trch a phng, hoc S VH-DL-TT hoc Vin Kho c hc tip qun hin trng. - Thng bo cho K s gim st ngi ny tip tc bo co cp qun l cao hn v cc c quan c chc nng a phng v Vin Kho c hc (trong vng mun nht l 24 ting). - Cc c quan chc nng a phng v Nh nc s c trch nhim bo v v bo tn hin trng trc khi c quyt nh v cc bc thc hin tip theo. iu ny s yu cu c nh gi s b d vt tm thy (do Vin Kho c hc thc hin). Tm quan trng v gi tr ca hin vt tm thy s c nh gi theo cc tiu ch khc nhau ca di sn vn ha, bao gm cc gi tr v kho c, lch s kho hc, nghin cu, x hi v kinh t.


D n Khu neo u trnh tr bo cho tu c Ca Gianh - Quyt nh s x l d vt tm thy nh th no do cc c quan c trch nhim thc hin. Quyt nh ny c th l thay i thit k (khi cc hin vt ny khng th di di v c gi tr vn ha, kho c cao), bo v, bo tn, ti to v sa cha. - Vic trin khai quyt nh ca cc c quan chc nng lin quan n cc vn qun l hin vt s c thong bo bng vn bn ca c quan c thm quyn. V - Hot ng thi cng ch c php tip tc thc hin sau khi c quan chc nng v bo tn bo tng cho php. 5.3.5. Vai tr trch nhim ca T Vn gim st thi cng (CMC) - Nhim v chnh ca T vn qun l cng trnh (CMC) l gim st trnh t, th tc xy dng c bn trong c ECOP, gim st nh thu thc hin cc bin php gim thiu cc tc ng mi trng nh m t trong Bo co TM. Nhng nhim v ny s c quy nh c th trong iu khon tham chiu ca CMC v Hp ng gia CMC v Ban QLDA, v phi c Ngn hng xem xt c th khng phn i. Theo hng dn ca BQLDA, cc nhim v chnh ca t vn CMC trong vic gim st v gim thiu mi trng bao gm nhng khng hn ch bi: H tr, phi hp vi T vn gim st mi trng trong vic thit lp, thu thp v cung cp thng tin v cc ch tiu mi trng cn thit ti hin trng v thng tin thc hin cng trnh. m bo cng tc thi cng c tin hnh hon ton tun th KHQLMT c duyt v nhng ch tiu lin quan v quy trnh vn hnh tiu chun ca ti liu hp ng i vi vic gim thiu v gim st tc ng mi trng. Gim st vic thc hin cc bin php gim thiu ca nh thu , kp thi xut v trin khai cc bin php can thip b sung hon thin cc bin php gim thiu nhm p ng cc yu cu bo v an ton d n v qun l mi trng. Lp cc k hoch hnh ng/phng n khn cp i ph vi cc vn mi trng, tnh hung khn cp v nhng thit hi c th xy ra trong qu trnh xy dng Kin ngh Ban QLDA nh ch thi cng mt phn hay ton b cng tc thi cng nu khng p ng cc yu cu v an ton lao ng v VSMT c thng nht hoc nu trong hp ng. T chc thng xuyn cc cuc hp phi kt hp vi cc bn lin quan n d n nhm cung cp cc thng tin k hoch thc hin v chng trnh lm vic cn thit ca d n nng cao thc cng ng trong thi cng cc cng trnh xy lp. 5.3.6 Vai tr v trch nhim ca cc ch phng tin tu, thuyn trong giai on s dng cng - Thng xuyn bo dng, bo hnh, kim tra cc loi my mc, phng tin thit b hot ng ti bn theo hn ch ti thiu ting n, rung ng, bi t khng kh. - Cc ng c my mc pht ting n ln phi lp cc ng gim thanh. - Khi vo neo, tr trong cng khng lu tr trn tu cc hng ha c hi, ha cht nguy him nh cht phng x, cht n, du th, kh ga..., cc loi hng ha lut php cm bun bn, s dng c phng n phng v ng cu kp thi s c gim thiu tc ng xu ti mi trng. Bo co nh gi tc ng mi trng

D n Khu neo u trnh tr bo cho tu c Ca Gianh 5.3.7 Vai tr v trch nhim Ban Qun l Cng - n v qun l v tu thuyn vo khu neo tr phi tun theo th l qun l cng, bn thy ni a ban hnh theo quyt nh 2046Q/PC ngy 06/8/1996 ca B GTVT cn c vo ngh nh 40/CP ngy 05/7/1996 ca Chnh ph. Ti iu 29 ca quyt nh ny nu r: Khi neo u trong vng nc ca cng, bn thy ni a, nghim cm cc phng tin ko ci ty tin, bm x nc bn vo vng neo u. - Tun th cc quy nh v Bo v Mi trng ca Nh nc v a phng. Thc hin y cc bin php gim thiu tc ng mi trng trong giai on s dng v vn hnh ra trong Bo co nh gi Tc ng Mi trng. - Xy dng c ch thu ph ph hp tip tc trin khai cng tc qun l v gim st mi trng trong giai on vn hnh cng (Ni dung chi tit ca chng trnh gim st c trnh by trong phn sau); Khuyn khch s tham gia ca cng ng thc hin nhim v gim st mi trng. - C trang b bo him, v sinh lao ng m bo an ton cho i trc nht v cu h lm vic trong khu neo tr. m bo cn b ca n v qun l c khm cha bnh kp thi khi cn thit. - m bo c trang thit b thu gom cht thi rn trong khu vc bn , khng x thi xung bin. - m bo v sinh ca h thng ng, bi trong khu tr bo v neo u tu thuyn, nc ma c tiu thot tt. - Kim tra, pht hin v khng cho cc phng tin giao thng khng m bo an ton gy ting n ln, thi khi kh c, r r ha cht xng du khng vo khu tr bo v neo u. - T chc tp hun, nng cao nhn thc v nng lc trong qun l mi trng cho cc cn b lin quan v cng ng a phng 5.3.8. Vai tr v trch nhim ca CPO: - CPO c trch nhim qun l chung cc vn v mi trng ca d n. - Hp ng t vn gim st c lp gim st vic thc hin cc bin php gim thiu mi trng ca d n trong qu trnh thi cng. - Hng dn, nng cao nng lc cho BQLDA v cc bn lin quan trong QLMT ca DA - Kim tra vic thc hin cc bin php bo v mi trng ca d n (i vi Ban qun l d n PTNT TS, nh thu thi cng). 5.3.9 Vai tr v trch nhim ca T vn gim st c lp T vn c lp s c CPO thu thc hin vic gim st nh k v lp bo co thc hin K hoch Qun l Mi trng ca d n Cng neo tr Ca Gianh trong giai on thi cng. Bo co ny s bao gm cc ni dung v quan trc mi trng v gim st s tun th ca cc bn lin quan. T vn gim st mi trng s c trch nhim gim st ton b cc hot ng ca d n v nhm m bo cc chnh sch an ton mi trng ca Chnh ph Vit Nam v NHTG nht tr c p dng v gim st thng qua cc trch nhim sau: m bo rng k hoch mi trng EMP c ph duyt v cc tho thun vay vn d n lin quan n an ton mi trng c p dng v tun th trong qu trnh thc hin d n. Bo co nh gi tc ng mi trng

D n Khu neo u trnh tr bo cho tu c Ca Gianh m bo cc bin php gim thiu mi trng c thit lp nh yu cu trong cc kha cnh thc hin d n, bao gm: Thit lp v thc hin cc bin php gim thiu v gim st mi trng, trong c lp d ton v/ hoc cc yu cu v nhn s . nh gi tnh hiu qu ca bin php gim thiu m nh thu v CMC c nu trong k hoch huy ng/thc hin xut v kin ngh ln Ban QLDA nhng ci thin hay b sung cn thit tha mn yu cu bo v an ton. Bo co c th cho Ban QLDA v tnh hnh c th cn phi c nhng nghin cu nh gi chi tit hn v/hay tham vn a phng xc nh nhng vn tc ng tim n v bin php gim thiu tng ng.

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Thit lp quy trnh tiu chun, phng php v mu biu h tr cho Ban QLDA v CMC nh gi tin ca Nh Thu trong vic thc hin nhng bin php gim st v gim thiu tc ng mi trng cn thit. H tr ban QLDA v cn b chuyn trch mi trng ca ban r xt v kim tra thit k chi tit v nhng phn lin quan trong Ti Liu Hp ng m bo ph hp vi chnh sch bo v mi trng v yu cu gim st v gim thiu tc ng. Xc nh v thit lp nhng d liu c s mi trng cn thit v K hoch qun l mi trng cng ng (CEMP) cng vi cc bn lin quan (S TNMT), chuyn gia tham vn cng ng v i din cng ng h tr cho vic gim st nhng ch s thc hin ca d n c thng nht.

Thng qua s hng dn bi Ban QLDA, thit lp v duy tr s iu phi cht ch vi CMC m bo nhng quy nh mi trng lin quan, bin php gim st v gim thiu v nhng phng php c hiu mt cch r rng v c lng ghp v k hoch cng tc ca CMC v quy trnh th tc bo co gm nhng tiu ch thch hp v th tc xut nh ch cng tc xy dng khi v ni no nh thu khng tun th vi nhng yu cu bo v an ton mi trng. H tr CMC chun b v p dng nhng k hoch hnh ng khn cp nu cn cho nhng tn tht mi trng hay nhng vn c th gp phi trong thi cng. Phi kt hp vi BQLDA v t vn gim st thi cng cung cp qun l mi trng v hng dn gim thiu tc ng cn thit cho nh thu thi cng. Cung cp cc h tr cn thit cho cc i din cng ng trong cng tc chun b v thc hin CEMPs. H tr BQLDA thit lp v duy tr c cu t chc h thng qun l mi trng, gim st v ngha v bo co c s phi kt hp ca cc c quan v cng ng a phng lin quan. Cung cp s h tr v tr gip cho nhng chng trnh o to v mi trng v xy dng nng lc c yu cu cng vi s phi hp ca chuyn gia tham vn cng ng


D n Khu neo u trnh tr bo cho tu c Ca Gianh H tr ban QLDA tin hnh nhng cuc kho st thng xuyn v mi trng trn hin trng v cc cuc hp phi hp vi nhng i din a phng trong qu trnh xy dng. Cung cp hng dn chung v mi trng c yu cu bi ban QLDA tng cng ton din vic thc hin kt qu thc hin d n. 5.3.10 Vai tr ca S Ti nguyn v Mi trng - Gim st tng quan vic tun th cc tiu chun v quy nh v Bo v Mi trng trong sut qu trnh thc hin d n, k c giai on chun b, giai on thi cng v c bit l giai on s dng. - Tham gia tp hun ph bin cc quy nh mi v qun l mi trng ca Nh nc.


EIA Cua Gianh- Quang Binh

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Transcript of EIA Cua Gianh- Quang Binh