tap doan cong hoa xa hqi chu nghia viet nam dicn l11c …€¦ · can cir quy pham trang bi dien...
TRANSCRIPT
- NIur Dieu 3 (e-copy); - Hpi d6ng thanh vien (e-copy de. b/c); - Cac Ban EVN: PC, KD (e-copy); - Ltru: VT, KTSX, AT.
TAP DOAN DICN L11C VIET NAM
CONG HOA XA HQI CHU NGHIA VIET NAM DOc lap - Ty do - 14nh phitc
Sty /QD-EVN
Ha N0i, ngay timing 03 nam 2019
QUYET DINH Ve vi0 ban hanh Quy trinh van hank, kiem tra va
Bao duil•ng, sira chila throng day trung ap trong Tap doan Quffie gia Vi't Nam
TONG GIAM DOC TAP DOAN DICN VIET NAM
Can cir Nghi dinh so 26/2018/ND-CP ngay 28 thang 02 nam 2018 dm Chinh phu ve Dieu le to chirc va hog dOng cila Tap doan Dien luc Viet Nam;
Can cu Nghi dinh, 14/2014/ND-CP ngay 26 thang 02 nam 2014 dm Chinh phu ve Quy dinh chi tie thi hanh Luat dien luc ye an toan dien;
Can cu Thong to so 31/2014/TT-BCT ngay 02 thang 10 nam 2014 dm BO truang Bo Cong Thuang ye Quy dinh chi tiet mot so not dung ve an toan dien;
Can cir Quy pham trang bi dien (11TCN-19-2006/BCN) cila BO Cong nghiep nay la BO Cong Thuang,
Theo de nghi cua Truerng Ban ICS'T thuat- San xuat, Truong Ban An toan, QUYET DINH:
Dieu 1. Ban hanh kern theo Quyet dinh nay "Quy trinh van hanh, kiern tra va Bao duong, sira chaa du6ng day trung ap" ap dung trong Tap doan Dien luc Viet Nam.
Dieu 2. Quyet dinh nay có hieu luc sau 15 ngay ke tir ngay 14 ban hanh va thay the cho Quyet dinh so 275/QD-EVN-KTLD-KTAT ngay 31/01/2005 dm Tong Giam dt)c T6ng cong ty Dien lkrc Viet Nam ve viec ban hanh Quy trinh van hanh, kiern tra va bao duang, sira chira du&ng day trung ap.
Dieu 3. Cac PIK') T6ng Giam d6c EVN, Throng cac Ban thuOc HOi ang thanh vien, Chanh Van phong, Tru&ng cac Banchirc nang EVN, Ngued dUng dAu cac don truc thuOc EVN, Nguiyi dUng dau cac Cong ty do EVN nam gift 100% von diet' le (Cong ty TNHH MTV cap II), Nsuoi sdimg dau cac Cong ty con do Cong ty TNHH MTV cap II nam gilt 100% von dial le, Nguiyi dai dien phan von cua EVN, cua Cong ty TNHH MTV cap II tai cac Cong ty co phan, Cong ty TNHH chit' trach nhiem thi hanh Quyet dinh nay./.
4.J
6 •
TAP DOAN DIEN INV VIET NAM
CONG HOA XA HOI CHU NGHIA VIET NAM Dac lap - Tu. do - Hanh phtic
S6: JO- /QD-EVN
Ha N0i, ngay CA( thong nam 2019
QUYET DINH Ve viec ban hanh Quy trinh van hanh, kiem tra va
Sao dtro•ng, sira chlia duirng day trung ap trong T4p doan Dien lire QuOc gia Viet Nam
TONG GIAM DOC TAP DOAN DIEN LIIC VIET NAM
Can cir Nghi dinh s6 26/2018/ND-CP ngay 28 thong 02 nam 2018 dm Chinh phu ye Dieu le to chirc va hog dOng dm Tap doan Dien lint Viet Nam;
Can cu Nghi dinh so 14/2014/ND-CP ngay 26 thong 02 nam 2014 dm Chinh phi" ye Quy dinh chi tie thi hanh Lu4t dien ye an toan dien;
Can cir Thong to so 31/2014/TT-BCT ngay 02 thong 10 nam 2014 dm BO truOrng BO COng Throng ye Quy dinh chi tiet mot so not dung ye an toan dien;
Can cu Quy phgn trang bi dien (11TCN-19-2006/BCN) crla Bo COng nghiep nay la BO COng Thriving;
Theo de nghi cua Truong Ban 1(57thu4t- San xuat, Truang Ban An toan, QUYET DINH:
Dieu 1. Ban hanh kern theo Quyet dinh nay "Quy trinh van hanh, kiem tra va Bao dutrng, sira china dtramg day trung ap" ap dung trong T4p doan Dien lgc Viet Nam.
then 2. Quyet dinh nay co hieu lgc sau 15 ngay ke tin ngay k)', ban hanh va thay the cho Quyet dinh so 275/QD-EVN-KTLD-KTAT ngay 31/01/2005 cfra Tong Giam dOc Tong tong ty Dien lgc Viet Nam ye yiec ban hanh Quy trinh van hanh, kiem tra va bac) &fang, sira chira du6ng day trung ap.
Dieu 3. Cac Pilo Tong Giam doc EVN, Truang cac Ban thuOc HOi (rang thanh yien, Chanh Van phong, Throng cac Ban chirc nang EVN, Nguai dimg dau cac dun trgc thuOc EVN, Nguoi dUng dau cac Cong ty do EVN nam girl 100% Win dieu le (Cong ty TNHH MTV cap II), Ngueri sdUng dau cac COng ty con do Cong ty TNHH MTV cap II nam gift 100% von dieu le, NgtrOi dai dien phan von cua EVN, cua Cong ty TNHH MTV cap II tai cac Cong ty co phAn, Cong ty TNHH chiu trach nhiem thi hanh Quyet dinh nay./.
Noi nhfin: - Nhu DiL 3 (e-copy); - HOi ang thanh vier' (e-copy tie b/c); - Cac Ban EVN: PC, KD (e-copy); - Luu: VT, KTSX, AT.
TAP DOAN CQNG HOA XA HOI CHU NGHIA VIET NAM DIEN LIIC VIET NAM Dim - Ty. do - Hph phfic
QUY TRINH VAN HANH, KIEM TRA VA BAO DU'ONG, sfrA CHITA
DUtING DAY TRUNG AP (Ban hanh kern theo QuyEt dinh sa161/QD-EVN ngay .0gthang 03 nam 2019
mica Tang Giam doc Tdp Goan Dien lye Viet Nam)
Clurcrng QUY DINH CHUNG
Dieu 1. Pham vi dieu chinh
Quy trinh nay quy dinh cac yeu cau va trinh to thvc hien cho cong tac quan 1$, van hanh, bao du'ang, sira chira va nghiem thu during day tai dien teen khong, co dien ap tren lkV den 35kV dung day tin.
Dieu 2. D6i tuong ap dung 1. Tap down Dien li,rc Viet Nam; 2. Cac Cong ty con do EVN Warn gal 100% von dieu le; 3. Cac Cong ty con do Cling ty thuOc Khoan 2 Dieu nay nim gift 100% von
dieu le; 4. Ngueti dai dien phan vein cua EVN, Nguoi dai dien phAn von fop cua cac
Cong ty thuloc Khoan 2, Khoan 3 Dieu nay tai Cong ty Co phan, Cong ty Trach nhiem him han.
5. Cac to chirc, ca nhan co lien quan.
Dieu 3. Giai thich tir ngu va cac tir vie't tit
Trong Quy trinh nay, cac tir net va tir viet tit duoi day &clic hieu nhu sau:
6. EVN: Tap doan Dien l‘rc Viet Nam.
7. TCT DL: Cac TOng cong ty Dien ltrc mien ffac, mien Trung, mien Nam, thanh ph6 Ha NOi va thanh phO HO Chi Minh.
8. DDK: DuZyn4 day tai dien tren,khong la cong trinh truyen tai va phan phi dien rang, bo tri ngoai trai mac tren vat cach dien va phi kien, da.'t tren cot hoac ten ket cau cua ding trinh khac (cau, dap v.v.). DDK ducfc tinh tir cac diem mac day cua DDK len xa cot cong hoac ket cau khac cila tram dien.
9. Don vi quany vein hanh la don vi trkrc tiep thi,rc hien cong viec quan ly, van hanh cac thiet bi dien, dtrimg day dan dien.
10. Nhan viers clan vi cong tac la nguari dm don vi cong tic trirc tiep thvc hien cong vice do-ngu&i chi huy trgc tiep phan cong.
1/38
11. TT-31/2014: Thong tu, so 31/2014/TT-BCT ngay 02/10/2014 ciia COng Thtrcmg Quy dinh chi tiet mot so not dung ye an toan dian.
12. ND-14/2014: Nghi dinh so ,14/2014/ND-CP ngay 26 thang 02 nam 2014 cua Chinh quy dinh chi tiet thi hanh Luat din ltrc ye an toan dian.
13. MBA: May bien
14. MC: May cat.
15. TI: May bien dung dian.
16. TU: May bien dian ap.
17. FCO: Cu chi to rai.
18. LBFCO: Cau chi to rai cat c6 tai.
19. DCL: Dao each ly.
20. Luoi trung ap la luai din co cap din ap danh dinh tren 1000V den 35kV.
Chuang II
QUAN LY VAN HANH
MUC- A. CAC YEU CAU CHUNG YE QUAN L'1? VAN HANH
Dieu 4. Cac dan vi quan 15, van hanh du6ng day phai co du cac tai lieu va dugc cap nhat bang phan mam He thOng quan ly ky thuat sau:
1. Van ban giao nhiam vu quan 1y dm cap c6 tham quyan.
2. H6 sa nghiam thu day du nhu Dieu 83.
3. L5/ lich,chi fiat du6ng day baog6m cac thong ban ye ky thuat lien quan den timg vi tri cot va day day (ma hiau day,,st'r,cot, xa, phi; kian, mong, tiap dia, chieu dai khoang cot, khoang neo, mi not cOt.v.v.). Ly lich du6ng day phai cap nhat day du cac ket qua kiem tra, thi nghiam cac thiet bi tren dung day Ara tinh hinh sira chfra, thay dui nang cap (neu co).
4. Nhat ky van hanh cap nhat tinh hinh van hanh cua duong day bao gOrrl tinh trang mang tai, din ap, cac hien Wang bat thuong, tinh hinh sir co cilia du6ng day va cac str kin lien quan.
Cac tai lieu ksi thuat not ten phai dugs quan 15/ a it nhat a 2 cap bao gum don vi quan 15/ true tiep va dan vi quan ly cap ten. Cac phieu kiem tra dinh kSi lien quan den du6ng day phai km Col thieu 12 thang. Cac bien ban thi nghiam can phai ltru giu de,danh tinh trang thiet bi; Doi yai bien ban kiem tra dinh kY du6ng day chi can km gift 12 thang.
Dieu 5. Dan vi quan ly true tip throng day phai co trach nhiam:
1. Du phong vat to san sang a xir 15, sir c6' va sira chila duang day. Vic quan 1)", du phOng phai c6 so theo dui time:mg xuyen va dtrac cap nhat theo quy dinh.
2/3 8
2. Vat tu du phong phai dung chung loai va quy each, dugc bao quan tot theo quy dinh k9 thuat. Sau khi sir dung vat tu du phong phai dugc 1)6 sung ngay cho du so lugng theo quy dinh.
3. Khong dugc de Cdri cac vat tu kS, thuat du phong con tot thiet bi hu hong va phe
Dieu 6. Mire du phong toi thieu cac vat tu chu yeu tai kho don vi guan ly duang day dugc quy dinh trong bang sau:
So TT
Ten vat tu ky thuat, thiet bi, phu kien du phong Don vi
S6 lugng du phong cho rn•Si
loai theo tiet dien day va cho miii loai each dien
1 Day clan Met 200
2 Day chOng set Met 200
3 Ong not day dan Chiec 10
4 Ong not day clan ch6ng set Chiec 5
5 Khoa neo day clan (CO phu kien kern theo) BO 5
6 Khoa d'a day &An (co phi' kien kern theo) B6 5
7 KhOa neo day ch6ng set (co phu kien kern theo) B6 3
8 KhOa dCy day ch6ng set (co phu kien kern theo) 136 3
9 Cach dien dog Chiec 10-20
10 Chu8i each dien Chu& 4-6
11 Cdu chi tu roi Chik 6-12
12 Ch6ng set van Qua 6-12
13 Cac loai kep ep Chiec 15
14 Cac lodi day chi Sgi 6-12
Kho cua Cong ty Dien luc can phai du phOng mot s6 vat tu chit yeu de ho trg cho cac don vi guan ly duang day va dui phu vai cac tru6ng hop thien tai. Cac vat tu nay bao gum cot, day dan, ddy chong set, bat each dien, phu kien cac loai du cho mot khoang neo dai nhat irng moi chung loai day dan Bang van hanh.
Dieu 7. Can cir vao to chirc san xudt cua minh, cac don vi phai trang bi thiet dung cu phi' hop phuc vu ding tac sira chCra, guan 1y van hanh duong day cho
cong nhan.
coac phircmg tien, dung cu dUng trong cong tac van hanh, sira chila va )(U. 1)'T sir o phai dugc bao dung thuang xuyen, dinh kST kiern tra thin nghiem lai.
Dieu 8. Dan vi guan 1ST duang ddy phai có bien phap tang cuang bao ve khi cot &thing day a cac vi tri sau:
3/38
1. Sat clueing giao thong, sat bey song, suOi nai c6 the bi cac phucmg tien giao thong va cham.
2. Wing bi ung va ngap nuac.
3. Tren cac wan doi, nui nai c6 the bi nuac mtra hoac lu x6i mon, hoac nai c6 the bi dat da la lam flu hong cot.
4. Sat bei song, su6i co kha nang sat la, bai Hen co kha nang bi nhiem man va x6i mon.
5. Phi hop ding cac don vi thi cong xay dung, tang cueing bao ve cac cot tai vi tri có cong trinh xay dung, cong trinh ciao, dap ma duong gan clueing day c6 nguy co anh htrang den an toan van hanh ltrai dien.
Dieu 9. Dan vi quan ly clueing day phai co trach nhiem thong bao ND-14/2014 cho chinh quyen cac dia phuang va ngtrai dan a d9c tuyen,dueng,day di qua, hoeing dan viec thuc hien cac quy dinh trong Nghi dinh, thong nhat bien phap cu the phoi hop kiem tra, phat hien lap bien ban va xir ly cac vv viec vi pharn hanh lang bao ve tuyen day va cong trinh duong day.
Chu se/ hi:ru cong trinh phai to chirc thuc hien cac cong viec sau: xir ly, quan ly an toan cac cong trinh khong con khai thic, sir dung doi vii luai dien phai thao
thu hoi cac ket cau ltrai dien va hoan tra mat bang trong yang 6 thing ke tir khi luai dien duac tach khoi he thong dien va khong c6 nhu cau sir dung lai.
Chu set h ru cong trinh phai lap phucmg an quan ly, thao der, xir cong trinh dien ltrc khong con khai tilde sir dung trong dO bao gom not dung tai Dieu nay, trinh duyet theo quy dinh cua phap luat ve xay dung va to chirc thuc hien theo phtrang an dirgc duyet.
Dieu 10. Dan vi quan ly clueing day phai tuyen truyen cho cac ca quan va nhan dan d9c tuyen day ve nguy ca dan den str co hoac gay tai nan nhu:
1. Can tra viec chat cay de bao ye an toan throng day.
2. Vi pham khoang each an toan trong hanh lang bao ve clueing day.
3. Sim china cai nai nha va cong trinh có tru6c khi xay dkmg throng day hoac xay mai nha va cong trinh trong hanh lang bao ve khan* tuan theo cac quy dinh trong ND- 14/2014 va cac van ban thay the khac (neu co).
4. Treo len cac 'DO phan cua cong trinh clueing day khi kh6ng co nhiem vv.
5. Tr'Om cap, ciao beri, nem, ban, gay hu hong cac bO phan cong trinh clueing day.
6. Lai dung cac 13,0 phan ctla cong trinh clueing day vao nhang muc dich,khac neu chua,c6 su thoa thuan vii dan vi quan clueing day hoac cac cap c6 tham quyen.
7. Tha dieu hoac cac vat bay gan cong trinh clueing day.
8. BO tri ang ten, day phai, dan gido, bien, hOp den quang cao... tai cac vi tri ma khi bi do, rai co the va que't vao cac bo phan cong trinh dueng day.
9. Treo, gan bat cir cac vat gi vao cot va phi kien clueing day.
4/38
10. Cac hog &Ong nhu: NO min, ma m6, xe'p china cac chat dg chay n6, cac chat h6a hoc gay an mon cac 13.45 phan cua cong trinh throng day.
11. DO't nuang ray, sir dung cac phucmg tien thi cong gay chan cl(mg manh hoac gay hu hang cho cong trinh &rang day.
Khi gap cac vi pham teen, don vi quan ly &rang day phai lap bien ban va de nghi chinh quyLl dia phtrang dinh chi, giai toa phan vi pham.
Ngoai ra don vi quan ly &rang day c6 trach nhiem tuyen truyen cho cac ca quan va nhan dan doe tuyen &rang day ph6i hap tham gia bao ve cong trinh &rang day va kip thai bao cho dan vi quan ly &rang day NT' viec phat hien thay hien tuong hu h6ng bat dud:mg hay diem su co cila duang day.
Dieu 11. Trong truang hop duang day di qua khu vuc dong dan ctr, hoac do cac ,yeu cau dac bit can dot bien bao an toan, cac bao phai tuan theo tieu chuan ye kich tint& va you cau k"5/ thug neu trong TT- 31/2014 tai Dieu 14, 15 va 16 N4 phan loai biL bao an toan, vi tri dot bi6n bao an toan va trach nhiem dot bien bao an toan.
Dieu 12. CS nhang nai giao cheo gitira &rang day vai &rang bO viec &at va quail ly bien bao, bien cam vugt qua dOi vai phuong tien van tai thuc hien theo quy dinh cua nganh Giao thong van tai. Chti cong trinh xay dung sau phai chiu chi phi cho viec dot bi6n bap, biL cam.
Cj nhirng nai giao cheo gifra &rang day vai throng thily nOi dia., don vi quan V/ &rang day phai dot va quan 1)% bien bao, dau hieu a hai ben ba theo quy dinh cua nganh Giao thong van tai.
Dieu 13. Vi& chat, tia cay d'e' darn bao an toan lux% dien cao dp do don vi quan 13', van hanh ltrai dien cao ap phai to chirc thuc hien va chiu trach nhiem nhu quy dinh tai Di&I 23 dm quy trinh nay. Viec chat, tia cay phai thong bao cho to chirc quan ly hoac chu sa hal cay Net truck nam (05) ngay lam viec bang hinh thirc thong bao true tiep &roc quy dinh tai Khoan 3, 4 Muc 1 Dieu 17 ND-14/2014 va cac van ban thay th6 khac (ne'u co).
Dan vi quan ly hoac chu so h'itu cay co qu34n giam sat cac cong viec ten va co tham quyen thu hOi so cay chat &roc.
De sira chita nhanh chong va thuan lqi nhan* hu hang dot xuat cua cong trinh &rang day, clan vi quan 1)% &rang day c6 quyen chat ngay mot so cay hoac giai toa cac chuang ngai vat trong hanh lang bao ve. Dan vi quan ly duang, day phai thong bao so cay da chat va su thiet hai do giai toa chuang ngai vat de den bu cho chu sa huu cay theo quy dinh cua nha
Nghiem cam lai dung viec bao ve hoac sira chila cluerng day de ch5t cay thy tien hoac pha huy nhting cong trinh khong lien quan.
MIJC-B. TIEU CHUAN VAN HANH
Dieu 14. Tieu chuan 1(57' thuat:
5/38
1. Deng dien cho phep ten &rang day &roc quy dinh cu the cho tong duang day tren co sa thiet ke &rang day va quy dinh cua nha the tao day dan, cach dien va phy kien.
2. Dien ap.
a. Trong the do Van hanh binh thing dien dp van hanh cho phep tai diem dau not &roc phep dao dOng so vai dien ap danh dinh nhir sau:
• Tai diem dau not vai Khach hang sir (king dien la ±5%;
• Tai diem dau not vai nha may dien la +10% va -5%;
• Truang hop nha may dien va khach sir diving dien dau n6i,vao,ciing mot thanh cai tren dien phan phoi thi dien dp tai diem dau not do Dom vi phan phoi dien quan 1/ van hanh loaf dien khu vvc quyet dinh dam bao ph6 hop vai yeu cauk5f thuat van hanh loot dien phan phOi va dam bao chat luong dien dp cho khach hang sir dung dien.
b. Trong the dO sivr c6 don le hoc trong qua trinh khoi phijc van hanh on dinh sau si; co, cho phep mirc giao d'Ong dien dp tai diem dau not vai khach hang sir diving dien bi anh huong live tiep baf sir co trong khoang +5% va -10% so vai dien dp danh dinh.
c. Trong the dO sir c6 nghiem tong he th6ng dien truyen tai hoc khOi phvc sivr c6, cho phep mdc giao dOng dien dp trong khoang ±10% so vai dien dp danh dinh.
d. Ina:mg hqp Khach hang sir dting load dien phan ph6i c6 yeu cL chat lircrng dien dp cao hon so vai quy dinh tai Khoan a Dieu nay, Khach hang sir dung luat dien phan phoi c6 the thoa thuan vai Dcm vi phan phoi dien hoc don vi phan phoi va ban le dien.
Dieu 15. Yeu cAu d6i vai cot, xa va mong cot:
COt phai la cot the') hoac be tong cot thep, he so an toan cua cot, xa va mong cot khong nho lion 1,2.
1. COt khong dugc nghieng qua 1/200 chieu cao cua cot.
2. Xa khong duoc nghieng qua 1/100 chieu dai cua xa.
3. COt kim loci, cac phAn ,kim loci cot be tong cot thep ra ngoai khOng khi va tat ca cac, chi tiet bang kim lap ten cot deu phai duoc ma kern ho4c son ph6 ch6ng an mon:
a. 0 viing duang day di gAn bien, khOng khi c6 h6a chat an mon phAn sat cua cot va xa cua &rang day phai &roc ma kern nhung nong dam bao theo Tieu chuan 18 TCN-0492.
b. Khong &roc de cot kim loci, cac phAn kim sloci cua cot be tong cot the]) ha ra ngodi khong khi va tat ca cac chi tiet bang kim loci lap ten cot bi ri:
• Truang hop bi ri to ch8 phai cao ri va son lai ngay.
6/38
• Trueyng hgp bi ri toan phan hang boat phai dira vao dai tu. Neu xa tren clot be tong va cac chi tiet bang kim loai lap ten clot bi ri, man phan hang boat cho phep dung xa cac chi tiet phong thay the de dua ye xuang ma kern lai hoac sun phu cho dam bao chat luting.
• Truang hap bi ri, an mon qua 20% tiet dien ngang phai dirge thay the.
4. Cac chin cot kim loai, khuyen sat h &Au try ming neo be tong va day neo cac N:mg thirang bi ngap but phai dirge quet 1 lop bi turn hoac epoxi cao han mire nuac ngap lan that 0,5m.
5. Tren cot &rang day phai c6 d'Au hieu CO dinh sau:
a. Si thir tir tren cot.
b. 1()% hieu hoac so hieu tuyen day, ky hieu so mach va vi tri ti ng mach theo thuc te.
6. Cac dau hieu tren phai dirge thuang xuyen bao quan de khong bi mat va bao dam d9c dirge rO rang. SO phai dinh dung., quy dinh, ro, va hung ye phia &rang giao thong va khong doge de vat can gi the lap.
7. Cac 130 phan cua cot thep, xa,thep (ke ca tren OA be tong), thanh giAng... trong qua trinh van hanh bi mat hoac bi cong qua giai han cho phep thi phai dugc sira chila thay the hoac tang cuang, dac biet chu y doi xa va cac cot vugt.
8. COt be tong cot thep, c6 vet nirt ngang theo duang \Tong c6 chieu rOng tir 0,3mm- 0,5mm va vet nut d9c c6 chieu rOng khe,nirt 0,5mm va chieu dai khe nirt tir 50-200cm phai tien hanh sira chila; vet nut, ngang theo &rang \Tong co chieu rOng dr 0,5mm tra len, vet nut d9c c6 chieu rOng khe nil tern han 0,5mm va chieu dai khe flirt lan han 200cm phai thay cot.
Dieu 16. You c'au dOi each dien:
1. Khi kiem tra ben ngoai neu thay than hoac be mat each dien bi ran nut, men sir bi chay xem, mat each dien c6 vet ban rira khong sach, chop bat each dien bi nth hoac bi long, bi vet dinh lira, ty bi ri m9t den 10% tiet dien ngang, tryc tam bat each dien bi veo thi phai thay bat each dien khac.
2. Cac dien phai bO tri kep ding chUng loai va dac tinh 4 thuat dirge quy dinh tai, Diem c, Khoan 2, Dieu 9 ND- 14/2014 va cac van ban thay the khac (neu co).
3. O nhirng not nhieu byi ban, yen bier' phai dung loai bat each dien dac biet chlu dirge byi va an mon hoac tang cuang them each dien.
4. Phai ve sinh bat each, dien it nhAt mot trong mot nam khi duang day di qua nhang not co nhieu bui vao theyi kY am trot.
5. O nhang not gin khu vi,rc nha may hoa chit, nha may xi mang, vUng yen bien... Ngoai viec kiem tra nhu dung day binh thueyng,,hang nam can cat dien &rang day mot lan de kiem tra ty, phy kin moc noi, khoa neo, kh6a dO....
7/38
6. D6 Lech chutii each dien da ho4c sir dimg, so vai phuang thang dung khong qua 15°.
7. Bat each dien bi sift me 1 cm2 trey xuting den va < 1/2 s6 bat va khong có vet nut có the ti‘ tuc van hanh nhung phai thutmg xuyen kiem tra.
8. Phai thay ngay chu8i cach dien khi s6 bat sir va qua 1/2 s6 bat.
Dieu 17. Yeu cau d6i vai day dan:
1. Khi day clan hoac day ch6ng set bi dirt < 17% tong s6 sgi thi có the quAn bao duOng. Neu vugt qua 17% thi phai cat di va dung Ong not de not lai.
2. Tnrerng hgp day nhom lOi thep ma l'6i thep bi ton thuang thi khong ke s6 sgi nhOm holac thep bi dirt hoac bi ton thuang la bao nhieu phai cat di va dung Ong nai de not lai., Loi thep cila day chong set loai luting kim neu bi ton thuang phai cat di not lai.
3. Trong mot khoang cot cho phep moi
da mot moi not ,tren mot day dan, nhung khoang each nho nhat tir moi lied den khoa kieu trugt phai khong nh6 han 25m. Khong,dugc có moi not tren nhUng khoang vugt duong O to, duong sat, duong pho, vugt song, vugt cac duong day khac hoac qua nai dOng nguoi to tap cho cac Logi day dan có ttet dien nho han 240mm2, d6i vai day clan co tiet dien to 240mm2 tro. len cho phep có mot moi not cho mot day. He so an toan dm day dan dien khong nho han 2,5 tai Diem c, Khoan 2, Dieu 9 ND- 14/2014 va cac van ban thay the khac (ne'u co).
4. Cac moi nai phai dugc ep nai dung quy trinh,, cac ham ep phAn nhOm va thep phai dimg kich thuac quy Binh cua nha che tao, mat ngoai cua Ong nai khOng doge có vet nut, Ong nai phai thang. Cong nhan thuc hien nai day phai qua ciao tao.
a. Khi nghiem thu dua vao van hanh: cac moi nai phai dam bao:
• Tri s6 dien tra cua doan day có moi not khong,dugc han 1,2 lAn so vai doan day khong not có cimg chieu dai va tiet dien.
• DO ben Ca hoc chin keo dirt dm mot not khong nho han 90% do ben dm day can.
b. Trong van hanh:
• Khi dO chenh Lech nhiet d6 moi not hay tip Vic leo vai day an lan han 15°C thi phai do 3 thang/lAn va có ke hoach bao cluang nhung neu duong day clang qua tai thi phai sira chita ngay khong cho phep keo dai.
• Tay qua trinh theo cloi van hanh khi d6 chenh lech nhiet d6 moi not hay tie) xiic leo vai day an lan han tir 60°C den Ian han 75°C thi phai thay th&sira china ngay.
5. Cac truang hqp van hanh khong binh thu&ng neu tren phai tang cueing kiem tra de kip thoi xir
Dieu 18. Yeu cAu d6i vai day tip dia:
8/38
1. Day tiep dia phai chon dung thiet ke va dugc bat chat vao cOt bang bu long, cho bat bu long phai dugc ma kern va khong dugc san, tai ale) tiep Phan ngam cua day tiep dia (bao c9c tiep dia) nam trong dat phai ma kern va not bang phuang phap han; khOng dugc san hoac quet bitum.
2. Khi do dien tree tiep dia cua cOt phai tach day tiep ,dia ra khoi cOt (d6i vai nhang clot có dat day chong set). Truerng hgp CO do ,set danh lam vo. sir tai mot vai cOt hoac va chong set, thi khi xir ly sir dung thai phai do lai tri tiep dia cua so OA nay.
3. Nhang cOt có dat thiet bi (may ,bie'n ap, dao cach, ly, ch6ng set, mo phong...) va nhirng cOt mac day chong set phai dugc tiep dia.
4. Dien trey tiep dia dm cOt khong dugc lan han tri s6 quy dinh theo bang sau:
Dien tree suit cua (lit p (am) • tiep dat ,. Dien tree tiep dat cot S2
Den 100 10
Tren 100 an 500 15
Tren 500 den 1000 20
Teen 1000 — 5000 30
> 5000 6 x 10-3 xp
5. De dam bao ch6ng set doan dau duang day, trong khoang tiep
tai tram Nen ap trung gian, TBA cua nha may they dien dien trey tiep dia cua cOt phai nho han 1052.
Dieu 19. Khong dung ch6ng set 6ng trong nhiing cong trinh mai xay dung.
Dieu 20. You cau dOi vai day neo:
1 Cac day neo phai cang deu nhau, cac e cu tang da phai van het dO tr6i, mOr i truc tang da phai du 2 e cu (co e cu ham), dau thira day neo phai dugc quan vao day neo chinh va c6 dinh bang 2 ghip.
2. Tang do va cac 1DO phan day neo bat vao clot, cap thep nhieu sgi phai dinh kY boi mor chong ri.
3. D6i vai day neo bang the') tren neu khong ma kern phai san dinh ky. DOi vai cong trinh meri sir dung day neo bang thep trOn thi phai ma kern.
4. Tang do, day neo va cac 130 phan day neo bat vao cOt bi ri qua 10% tiet dien day phai thay
5. D6i vai day neo bang cap thep nhieu sgi:
a. Neu so sgi bi dirt nho Ilan 10% thi tap lai.
b. Neu se; sgi dirt teen 10% thi phai thay day khac.
Dieu 21. Khoang cach yeu cau cua day dan teen &rang day trung ap den 35kV (khi cac cong trinh xay dung mai hoac cai tao lai):
1. Khoang cach tir diem thip nhat dm day clan a trang thai vOng cuc dai den mat data khu dan cu, nai thuang xuyen tap trung &Ong khu cong
9/38
netiep, khu cong nghe cao, khu cite xuAt, cong trinh quan trong lien quan den an ninh, quoc phong, khu di tich lich sir- van hoa, danh lam thang canh d'a duov Nha ntro.c xep hang phai tang ctremg cac bien phap an town ye dien nhti quy dinh trong bang sau:
Dieu kien van hanh dm dueng day
A Dac diem dm viing co duong day di qua Khoang each • , to thieu (m)
Binh thuong
- Khu dan cu, nai thuerng xuyen tap trung dong ngueri;
- Khu cong nghiep, khu cong nghe cao, khu the xuAt;
- Cong trinh quan tong lien quan den an ninh, qu6c phong, khu di tich lich sir- van Ma, danh lam thang canh.
14
Trtrang hop cl4c biet
- Doc theo hanh lang duong giao thong nOi bO er cac khu dan cu, khu cong nghiep, khu ding nghe cao, khu the xuat neu sir Ong day beic thi cho phep khoang each tir diem thAp nhAt cita day &An et tang thai Ong cue dai den mat dat khong nho han:
11
2. Khoang cach tir diem thAp,nhAt dm day dan o• tang thai \Tong cl.rc dai an mat dat va mat nuOc cua dong ruOng noi khong có thuyen be qua 10 khong nhO han quy dinh trong bang sau: (Bang II.5.6a, 6b QP TBD phein II he thong duong dan &On)
Dieu kien van hanh dm duong day
Dac diem dm vimg c6 duong day di qua Khoang each tot
thieu (m) - Vimg thing dan cu 7
Binh thuang - Vung dan cu thua that va do ng rung - Vang kilo qua lai
5,5 4,5 (-1m)
- Wing kitting qua 10 ducfc 2,5 (-3m)
3. Khoang cach nho nhat theo chieu thang dimg tir day dan cua duarng day di ben tren den day dan hot day chOng set dm doing day di ben clued or ch8 hai clueing day giao eh& nhau dtrorc quy dinh trong bang sau:
Chieu dai khoang cot cila duong day
(m)
Wei khoang each ngan' nhAt tir ch8 giao chdo den cot dien gin nhat (m)
30 50 70 100 120 150
Khi cac duong day khong 500kV giao elle() vii nhau va giao cheo vii cac duong day khong dien dp thAp hon.
200 5 5 5 5,5 - -
300 5 5 5,5 6 6,5 7
450 5 5,5 6 7 7,5 8
Khi cac duong day tai dien 220kV giao &do vii nhau va giao chdo vii cac throng day khong dien ap thAp hon.
10/38
200 4 4 4 4 - -
300 4 4 4 4,5 5 5,5
450 4 4 5 6 6,5 7
Khi cac &ring day khOng 110-22kV giao cheo vai nhau va giao cheo vai cac duong day khong dien ap thap hon.
136n 200 3 3 3 4 - -
300 3 3 4 4,5 5 -
Khi cac clueing day khOng 6-10kV trey xuOng giao cheo nhau va giao cheo vai cac duang day tai dien CO dien ap thAp hon.
De'n 100 2 2 -- - -
150 2 2,5 2,5 -- -
4. Khoang cach thing dung nho nhAt tir cac day clan d*1 v6i duong day th8ng tin (DTT) hoac duOng tin hiN (DTH), cho giao cheo phai dam bao: (Bang 11.5.8 QP TBD PII)
Che do tinh town Khoang each (m) theo dien ap duong day kh'Ong (kV)
6-10 22 35
Che dO binh
thuon g
Khi duong day c6 thie't bi ch6ng set (m) 2 3 3
Khi during day khong co day cheing set (m)
4 4 5
Che dO sir co
Khi dirt day a khoang OA kt dm DDK dung each dien treo 1 1 1
5. Khoang cac nh6 nhAt tir day din den mat during khi duong day giao cheo hoac di gin vii duOng sat, duong sat dien khi hoa (DSDK), during xe dien hoac o to dien va during O to ducic quy dinh nhu sau:
Cac cht; giao cheo hoac di gin
Khoang each (m) theo dien ap
duong day khong (kV)
De'n 22 35
Doia
vai during sit:
1. Khi giao cheo, tinh tir day an den mat ray trong the di) binh thuang cila DDK.
7,5 7,5
2. Khi giao cheo, tinh tir day an an kh6 giai hp x y dung cuaduang sat khi day clan bi gib lam chao Lech nhieu nhat.
1,5 2,5
• A . 3.Khi giao cheo vai DSDK NIA mang tiep xuc trong • the dO binh thuong dm DDK. Nhu cac DDK giao cheo vai nhau xem bang ten
4. Nhu muc 3, vai twang hcrp dirt mOt day a khoang OA k'e'. 1
11/38
Doi vii &rang
oto:
1. Khoang each thing dimg tir day din den mat &rang:
a. Trong che dO binh thuang: 7 7 b. Khi dirt mOt day a khoang cOt 1(' (d6i vai day
nh6 han 185mm2): 5 5
2. Khoang each ngang tir b6 phan bit kSi ciia cOt tai le duang:
a. Khi giao cheo &rang 6 to cap I va II: 5 5 b. Khi giao the° &rang 0 to cap khac: 1,5 2,5 c. Khi DDK di song song vai duang o to,
khoang each tir day din ngoai cling den le thdyng liic day dan a tang thai tinh:
2 4
Doi vii &rang xe dien hoac oto
dien:
1. Khoang each thing dirng tir day din cila &rang day:
a. Khi giao cheo vii duang xe dien (trong the dO binh thuang):
• Den mat duang ray: • Den day dAn cua mang tiep xuc:
10,5 3
b. Khi dirt mOt day din oh DDK trong khoang cOt ke, den day dan dm mang ti6p Vic:
1
c. Khi giao cheo vii duang 6 to dien (trong the dO binh thuang):
• Den diem cao nhit dm phin duang di lai: • Wen day din dm mpg tip xiic:
11
3 2. Khoang each ngang tir day an khi bi gie lam Lech nhiL nhat den cot dm mang tie), Vic:
3
6. Khoang cac nho rihit tir day dan khi giao cheo va di gin de, dap phai dam boo nhu. sau:
Khoang each tir day din: Dien ap duang day
den 35kV
Tai mat de hoac Ten ch6 nho cao dm ba de (m) 6
Tai wan doe oh b6 de (m) 5
Tai mat mrac tran qua dap (m) 4
7. Khoang each nho nhit (khi mire nuac,cao nhit, dO yang day Ian nhk) tirdan dien dm duang day dien ap den 35kV tai mat ntrac song, mucmg,
ho dugc quy dinh nhu bang sau:
Khoang each tit day can: Khoang each
nho nil& (m) De'n mirc cao nhat cila song, kenh co tau thuyen qua 10 hoac cO tha vo, be dinh ca di dOn4 &me.
5,5
Den dinh cOt bu6m, dinh Ong khai tau thiiy, dinh cao nhit ciia vo be. 1,5
De'n cac bai song va not ngap nuac hang nom 5,5 Song kenh khong do tau thuy6n qua lai. 2,5
12/38
8. Khoang each each dien nho nhAt tai cot gitita b6 phAn mang dien va phAn duce not dAt dm duong day theo bang sau: (Bang H.5.3 QP TBD PII)
DiL kin tinh toan khi Iva chQn khoang each cach dien
Khoang cach each diO nho nhAt (cm) tai ceot theo dien ap dm dtrong day khong
(kV) Den 10 15+22 35
1. Khi qud di0 ap khi quytn: a. Cdch dien dt'rng 15 25 35 b. Cach dien chu8i 20 35 40
2. Khi qua din ap nOi b0: 10 15 30 3. Khi qud dien ap lam viesc lan nhAt: 7 10
9. Khoang cach nhe nhAt gifra cac pha tai cot dm dtrOng day khong dugc quy dinh nhu sau: (Bang 115.4 QP TBD P11)
Dieu kien tinh toan Khoang each each dien nh6 nil& gitra cac pha
(cm) theo dien ap chrimg day khong (kV) Den 10 15+22 35
Khi qua di0 ap khi quye'n 20 45 50 Khi qud di0 ap nOi b() 22 33 44
Khi qud di0 ap lam v* - 15 20
MVC-C. rift CHUAN VE HANH LANG B A o vt DUtiNG DAY
Dieu 22. Hanh lang bao ve DDK dugc quy dinh tai ND-14/2014 nhu sau:
1. Chieu dai: Tinh tir vi tri duong day ra khoi ranh gioi bao ve dm tram nay den vi tri duang day di vao ranh gi6i bao ve dm tram Ice tiep.
2. Chieu rOng: Dugc gi6i han bei hai mg thing dimg ve hai phia dm dueyng day, song song v6i du6ng day, co khoang cach tir day ngoai ding ye moi phia khi day a trang thai tinh theo quy dinh trong bang sau:
Dien ap (kV) Den 22 kV 35 kV
Loai day Day boc Day trAn Day boc Day trAn
Khoang cach (m) 1,0 2,0 1,5 3,0
3. Chieu cao: Tinh tir day mOng cot an diem cao that dm cong trinh cong them khoang cach an toan theo chieu thing dimg 2m (Mt vai dien ap 35kV troy xu6ng).
Dieu 23. Doi von cay coi trong va ngoai hanh lang bao NT" an toan DDK dugc quy dinh tai ND- 14/2014 nhu sau:
1. Lila va hoa matt phal trong cach mep along cot dWi, m6ng neo it nhAt 0,5m.
2. Deii v6i du6ng day can dien do dien ap den 35kV trong thanh ph6, thi xa, thi tan cay trong hanh lang bao ve an toan 1u6i dien phai dugc chg, tia de dam bao khoang cach tir diem bat lcS, cila cay den day dan dien a trang thai Ong cuc dai khong nh6 hcm khoang each quy dinh trong bang sau:
13/38
Dien ap Den 35 kV
Khoang cach (m) Day b9c Day tran 0,7 1,5
D6i vai nhang cay c6 kha nang phat tri6n nhanh va de gay do hoac xoay theo chieu gio, c6 gay nguy co mat an toan phai chat tia Id hoac chat b6 va cam trong
3. Doi v6.i dueng day ngoai thanh ph& thi xa, thi tran:
a. Cay trong hanh lang bao ve throng day phai duvc chat, tia de,darn bao khoang cach tir,diem,cao nhat cay theo chieu thang dimg den d6 cao dm day dan thap nhat khi day 6( trang thai vOng cuc dai khong nho hon quy dinh trong bang sau:
Di'Odp De'n 35 kV
Khoang each (m) Day b9c Day tran 0,7 2,0
b. D6i vai duemg day d'An dien tren khong virot qua ring dac dung, rung pheng hO, rung san xuat, vu in trong cay thi khoang cach theo chieu thang dimg tir,chi'eu cao trung binh &la cay da phat trien tOi da den day dan dien thap nhat khi day a trang thai vOng cuc dai khong nhO hon quy dinh tai Diem a, Khoan 3, Di'eu nay.
c. D6i vai cay a ngoai hanh lang bao ve an toan duang day dAn din ten khong va ngoai thanh phO, thi xa, thi tan thi khoang each tir 136 phan bat kST cua cay khi cay bi do den 136 phan bat kSi cit' a throng day khong nho hon khoang each quy dinh trong bang sau:
Di0 ap De'n 35 kV Khoang cach (m) 0,7
4. D6i vai nhang cay phat tri6n nhanh trong khoang thoi gian 03 thang c6 kha nang vi pham khoang each quy dinh tai khoan 23.2 va khoan 23.3 Dieu nay (nhu bach dan, tre, nira, buong, vau...) va nhung cay khong con hi"0 qua kinh to neu chat non, tia canh (nhu cau, dira, cao su...) thi phai chat bo va cam trong
Dieu 24. D6i vai nha a, cong trinh trong hanh lang bao ve an toan DDK &roc quy dinh tai ND- 14/2014 nhu sau:
1. Chu so huu hoac nguai sir dung nha a, cong trinh da &roc phep ton tai trong hanh lang bao ,q an toan duemg day dan tren khong khong dugc sir dung mdi hoac bat kS, bo phan nao cua nha a, cong trinh vao nhang muc dich c6 the vi pharn khoang cach an toan pining dien theo cap din ap va phai tuan thu cdc quy dinh ve bao ve an toan duerig day dan din ten khOng khi sira chira, cai tao nha a, cong trinh neu bao dam cdc dieu kien neu tai Khoan 1 Dieu 51 cua Luat dien luc sau day:
a. Mdi lop va tu0ng bao phai lam bang vat lieu khong chay.
b. Khong gay can trO dirOng ra, vao de ki6m tra, bao dual-1g, thay th6 cdc bO phan cong trinh luai dien cao ap.
14/38
c. Ket eau kim loaf cua nha a, cong trinh phai dugc not dAt theo quy dinh ve ky thuat not dat.
d. Khoang each tir bat kS, bO phan nao cua nha cong trinh den day dAn dien gin nhat khi day 6 trang thai Wing cuc dai khong nhe han quy dinh trong bang sau:
Dien ap (kV) Den 35 kV
Khoang cach an toan thing dirng (m) 3
e. Khoang duang day di phia tren yugt qua nha va cong trinh phai thut hien bien phap tang cuing an Wan ve dien va ve xay dung.
2. Till& khi cap phep cho to chuc, ca nhan xay dung mai hoc cal nai, cai tao nha a, cong trinh trong hanh lang bao ve an toan duang day clan dien teen khong, ca quan cap phep phai yeu cau chu dau to xay dung nha a, cong trinh them thuan bang van ban vii dan vi quan 15, luai dien cao ap ve cac bien phap dam bao an toan &rang day dan dien teen khOng va an toan trong qua trinh xay dung, cai nen, cai tao, sir dung nha 6, cong trinh nay.
Dieu 25. Khoang each an toan phong dien theo cap dien ap quy dinh tai Khoan 1,2 va 3 Dieu 10 dm ND-14/2014.
1. Khoang cach an toan phong dien theo cap dien ap quy dinh tai Khoan 1 Dieu 51 cim Luat dien luc dugc quy dinh trong bang sau:
Dien ap 136n 22 (kV) 35 (kV)
Day bQc Day tran Day bQc Day trAn
Khoang cach an wan phong di0 (m) 1,0 2,0 1,5 3,0
2. Khoang cach an toan phong dien theo cap dien ap quy dinh tai Khoan ,4 Dieu 51 dm Luat dien luc la khoang each tOi thieu tir day dan dien den diem gin nhat cua thiet bi, dung cu, phucmg tien lam viec trong hanh lang bao ve an toan luai dien cao ap va dugc quy dinh trong bang sau:
Dien ap Den 22 (kV) 35 (kV)
Khoang cach an toan phOng dien (m) 4 4
3. Khoang cach an toan phong dien theo cap dien ap quy dinh tai ,Khoan 5, Khoan 6 va Khoan 7 Dieu 51 dm Luat dien luc la khoang cach toi thieu tir day dAn dien khi day or trang thai vOng cuc dai den diem cao nhat cita doi tugng dugc bao ve va dugc quy dinh trong bang sau:
Khoang cach an toan phOng dien (m) Dien ap den 35 (kV) Den diem cao nhAt (4,5m) dm phuang tien giao thong dutmg b0 2,5 Den diem cao nhat (4,5m) caa phuang tien, cong trinh giao thong dutmg sat Mac den diem cao nhAt (7,5m) dm phuang tien, cong trinh giao thong dutmg sat chay dien
3,0
Den chieu cao tinh khong theo cap k9 thuat cila du?ing thily nOi dia 1,5
15/38
Mic1C-D. CONG TAC KIEM TRA
D.1. Cac bien phip an toan khi kiem tra dirimg day:
Dieu 26. Khi tien hanh kiem tra duong day nhom kiem tra can c6 hai nguoi de ph6i hop xir 1)%, tnrong hop d4c biet cho phep chi c6 1 ngu6i. Tru*ng hop can thiet treo len cot phai dam bao khoang cach an toan glib nguoi va day dan kh6ng dugc nho han 1,0m voi dian dp 15 den 35 kV va 0,7m vai din ap 6 den 10kV, d6rig th6i phai xem nhu du6ng day gang co din va khong dugc cham vao ti'ap dia cot.
Trong truorig hop kiem tra dem phai co den soi, di cach duong day t6i thiau 5m va di phia don truck huOng gio thoi vao dir6ng day, ban dem khOng dugc treo len OA, neu khong co yeu cau khan cap va phai quan sat dugc 16 cac phan mang din de bao dam khoang cach an toan phong din theo cap din dp tai Dieu 25 Quy trinh nay.
Kim tra dem phai c6 trang bi ph6ng than, phong ran, rat, den chiau sang va cac trang bi khac phut vu viac kiem tra thuan lgi. Vic kiem tra dem nhirng phan c6 mang din phai sir dung dung cu va trang bi bao 110 chuyen
Kim tra dem tai hanh lang thuOc khu vgc ca quan khac hoc nha, vu6n dan thi phai lien he truck de dugc tao dieu kin thuan lgi.
Dieu 27. Khi kiem tra phat hien thay day dirt rai xuOng dat hoc con la limg nhorn kiem tra phai tim moi bin phap bao ‘cat din ngay va ngan m9i nguai khong dugc den gan vi tri day rai xtiong dat yeti khoang cach nhO han 10m. Tru6ng hop sir viac xay ra tai nai CO ngu6i va xe co qua lai thi phai cu ngu6i dirng gac va bao ngay cho lanh dao dan vi quan ly duOng day hoc dieu d'() Cong ty Dian li,rc biet de kip thoi xir 1)% giai phong hien tru6ng dam bao an toan cho ngu6i va xe co di lai. Neu giao cho ngu6i khac dirng gac thi phai giai thich ky bin phap an toan cho ngu6i dirng gac biet.
D.2. Cac loaf kiem tra N/A chu kY kiem tra:
, Dieu 28. Cac dan vi trgc tip quan 1)% clueing day phai thgc hien cong viac kiem tra throng day theo cac quy dinh sau day:
TT Loai , kiem tra
ThOi han kiem tra
Mtic dich kiem tra
Thanh phAn kiem tra
Ghi chu
16/38
1 Kiem tra dinh ky ngay
To• i thielu
Olthang/llan•
Nam yang thuOng xuyen tinh trpg duOng day va nhung bien dOng pith sinh
To'i .z thieu có 1
con nhan van hanh &Ring day
DOi voi nhang khu vvc &Mg dan cu, cay clii phat trien nhanh, cong truimg va nha dang thi cong, &Ong day qua tai Ong, xa sir, phu kin lchong dam bao chat Wang hoac &rang day di qua, nhang not c8 nhieu bui va viing ven bien, nha may hoa chit_ phai tang cuing so lan kiem tra
2 Kiem tra dinh ky dem
Teti thieu 3thang /Han (khi trai toi va gii cao diem)
Nam viling thuang xuyen tinh trang duing day va nhitng bien dOng phat sinh
T6i thieu có 2 ding nhan van hanh duing day
3 Kiem dOt xua
•t tra
Truac hoac sau khi c8 mua bao,
P I
thoi tit bat thwarng,
truOc dip 176 va nhang ngay quan tong
T0i thieu c0 02 cong nhan van hanh duing day va 01 can b0 ky thuat Dien luc
4 A Kiem tra
su CO
Ngay sau khi xay ra sunguyen co,• ke, ca su c6 thoang qua
Phat hie•n .1 diem su co
nhan gay ra sucoducmg
mire dO su co a khac phuc kip thii
02 cong nhan van
„hanh
, day va 01 can b^ k" hat 9 t Y u*
5thiet z Kiem tra
du phong
Tay theo
tin.'•g 14 bi co
quy dinh cu the
Cong nhan van hanh doing day va dan vi thi nghiem
Kiem tra, thi nghiem cac thiet bi ten duing day bang dung cu thi nghiem, • phai cat dien duZing day de thuc hien.
6 Kiem tra ky thuat
06 thang mot lin
Nim chic tinh hinh duing day va chat Wong
Can b0 ky thuat, lanh d4o Dien luc, can N.) ky
Chu tong kiem tra nhitng doing day suat su co lan, nhieu din tai va nhang
17/38
kiem tra dung day coa
de nhan de co
thOt dun vi quail 1j, dung day
duong day can dtra vao ke hoac sfra chira lan.
Co su tham chi dao ,khac gia dm can phpc thieu sot b0 ky thuat va
01 nam mot trong qua lanh ciao cap lan trinh van Cong ty (kiem
hanh tra diem mot so &rang day).
, btu Y.• Cho phep tang thei gian gift 2 Ian kiem tra gap doi v6i khu vgc di 14i rat kh6 khan, dtrong day c6 suat su co thap va phu tai thap (du ca 3 dieu kien)
D.3. Nii dung cu the cho trong loci hinh kiem tra:
Di&I 29. Kiem tra dinh kST ngay: moi nhom,nen c6 2 ngtrod tra len, rieng kiem tra dinh kS, ngay xem xet c6 1 ngtroi va bao gom cac hang muc sau nhu bang sau:
Muc kiem tra Ni0 dung kiem tra Looi kiem
tra* 1 2
Cay trong hanh lang bao ve duang day
1. Cay a gAn, cay gay, d0, cay IT1QC nhanh có kha nang gay su co.
x x
2. Tinh trang hanh lang tuyen. x x
3. Dieu kien chat cay (de có ke b046 chat cay). x x
4. Nhirng thong tin ve chat cay, ke hooch trong cay.
x x
Cac thay dOi xung quanh dueng day
1. Dat, da 16. x x
2. Cac cong trinh dang xay dung. x x
3. Thong tin ve cac ke hoach xay dung. x
4. Thay dOi nha cira, cong trinh cong cong, he thong giao thong.
x
Phan cot, xa
1. COt xa gay d6, nghiem, bien , clang, mat thanh, hu hong, ri,... (cOt sat), nth, la be tong,... (cOt be tong).
x x
2. Bu long, ecu mat, long, hoac ri mot. x
3. Cac vat lieu 14 barn vao cot, xa. x
4. Tinh trong Wen bao (Hen bao giao thong, bin nguy hiem, danh so cot, pha,...)
x
5. Tinh trong he thong neo chang cot. x
Phan mOng (ke ca mOng neo) va khu vuc xung
1. Mang lun, 16. x x
2. Tinh trong be tong mong v6, nth (dac biet ltru a vUng dat bi nhiem man).
x
18/38
quanh 3. Tinh trang mat dat, dugng xung quanh, vet nirt &At, cac ranh thoat nugc.
x
Day dan
1. Day dan bi dirt sgi, bi tua, bi ton thuang. x x
2. Day dan bi tut khgi khoa 0 hay bi long. x x
3. Moi noi hay noi leo bi dirt, phat nhiet doi mau. x x
4. Vat la mac vao day dan. x x
5. Phong dien tir day an. x x
6. T4 chong rung tuOt khei vi tri, mat. x x
7. DO vong bat thugng, cac khoang each an toan vai cac day vugt qua, cac cong trinh khac.
x x
Cach dien
1. Tinh trang va, nirt hoac ran chan chim. x x
2. Be mat sir bin, bi phong dien be mat bi chay nam.
x x
3. Cac hu hang ten chuili each dien. x x
4. Cac vat la bam vao cach dien. x x
5. D6 6n lan. x x
6. PhOng dien (xuyen thong be mat). x x
7. Tinh tang lap dat (u6n khitc hay lech) va cac phkt kien rot thieu.
x x
Day ch6ng set, mg phong, chong set Ong
1. Bi dirt sgi, bi tua, bi ton thtrcmg. x x
2. DO Ong khong binh thuemg. x x
3. Tinh trang m6i n6i, n6i dAt.... x x
4. Khoang each hai m6 ph6ng bat thuong (xa hoac gan qua).
x x
5. Ch6ng set: x x
a. Ch6ng set 6ng bi va, dau cue chay, ltrai ga bat ra.
x x
b. Ch6ng set van bi Vo. hoac bat cira xa. x x
Ti63 Ilia
1. Tinh tang cac day n6i dat tir ten cot clan xu6ng cho tiep xitc noi dat bi han ri, gay, dirt.
x x
2. Day tiep dia bi han ri, dirt. x x
3. Bu long bat tiep dia long, m6i han khong dam bao.
x x
4. CQC , thanh tiep dia nho len khOi mat dat. x x
Dao cach ly tren cot
1. Sir ban, sot me. x
2. Lutti dao han ri, cong venh, del) xiic khong tot, 16 xo tiep diem ri.
x x
3. Tinh trang co. cau truyen dOng, ch6t an toan, lay khga.
x
19/38
Reclose/May cat
1. Sir ban, sin me. x
2. Kiem tra ben ngoai hOp dieu khien. x
3. Tinh trang co cau truyen dOng, eh& an town, lay khoa.
x
4. TU cap nguOn va cac thiet bi khac. x x
5. Canh bao sir co. x x
FCO, LBFCO
1. Sir ban, sirt me. x
2. Tiep xiic khong tot, dau cot king, chay xem, 16 xo tiep diem ri.
x x
3. Tinh trang co cau truyen dOng, chot an toan, lay kh6a.
x
Tv bil
1. Sir ban, silt me. x
2. Tiep xiic khong tot, day not tiep dat khong tot, tiep dia ri, bi an men, gay.
x
x .
3. Tinh tang phOng rep. x
4. May cat tv. x x
5. TV dieu khien. x x
Do dm ranh giOi
1. Kiem tra TU.. x x
2. Kiem tra TI. x x
3. 1-16p cong to va cac thiet bi khac. x x
• Lovi 1: Ap dung cho ki6m tra dinh kST ngay va kiem tra dOt xuat.
• Logi 2: Ap dung cho ki6m tra six co.
Dieu 30. Ki6'm tra dOt xuat:
Moi nhom ki6m tra gom hai nguai trey len, phai di 130 ben c4nh hanh lang tuyen, bao gom cac hang muc nhu bang 1 Di'eu 29.
Dieu 31. Kiem tra dinh kST dem:
Thuc hien vao ban dem, m6i nhom,ki6m tra hai ngugi tra len, phai di bO ben cg.nh hanh lang tuyen, bao kiem tra cac hang muc sau:
1. Su phat nong do cua cac mOi nOi.
2. Hi'0 tugng phOng dien bat thuerng a dugng day, chu6i cach d*.
3. Am thank bat thuong cua duarng day.
4. Anh sang tren cac cot vuo:t (n6u co).
5. Cac hien tugng bat thugng khac.
Dieu 32. Kiem tra su co:
Neu kiem tra ngdy khong phat hien dugc diem su co, phai kiem tra dem va ngugc lgi. Thy thgi diem sir CO ma tien hanh kiem tra ngdy hoc dem trugc.
20/38
1. Kiem tra ngay: Moi nh6m kiem tra gOm hai nguai tra len va phai di h8 ben canh hanh lang tuyen, bao gom cac hang mpc nhu liet ke trong bang 1 Dieu 29.
2. Kiem tra dem: NhOm kiem tra gom hai nguai tro• len, phai di 1)8 ben canh hanh lang tuyen, cach duang day toi thieu 5m bao gom kiem tra cac hang muc sau:
a. Su' phat n6ng do dia cac m6i noi.
b. Hien Wong phong dien bat thuang a duang day, chai cach dien.
c. Am thanh bat thuemg cua duang day.
d. Cac hien Wong bat thuang khac.
3. Ngoai ra sau su c8 duang day ma khong tim ra nguyen nhan thi can phai:
a. Do tri s6 tiep dia tat ca cac vi tri c6 tiep dia.
b. Kiem tra do yang cua duang day khi tai cao.
Dieu 33. Kiem tra 1(5, thuat:
Thpc hien vao ban ngay, moi nhom kiem tra gOm hai nguai tra len, phai di b8 ben canh hanh lang tuyen de kiem tra chat lugng cac 138 phan ch6 yeu cua duang day: Cot, xa, phi kien, cach dien, day dan, day chong set, ke
Dieu 34. Thai flan kiem tra du phOng bao
Hang mvc thi nghiem Th6i flan ki6m tra
Binh thuang - D'ac bit
Do dien tro- tiep dia cot. 03 nam mot lan
01 nam mot lan d6i vai nhirng nai nhieu
set va sau sir co v6 sir do set danh.
Dien tro- ch6 noi cda day ch6ng set Nth kim thu loi.
01 nam melt ran
Thir nghiem cach dien dm sir g6m bang sao do cach dien hoac bang megomet 2500 khi cat dien.
03 nam mot lan doi veri sir chuoi; 06 nam mot Ian doi vai sir dirng.
Do dien tra moi noi va tiep Vic leo.
01 nam mot lan
03 thang/lan khi dtr6ng day dang qua tai hoac nhiet dO rnoi noi 16n han nhiet (10 day dan 15°C.
Cac thi& bi khac tren dutmg day nhu DCL, may cat ttr long lai (recloser), chong set van.
Quy dinh rieng cho tirng loci thie't bi, theo yeu cau dm Nha the tao
D.4. Xu bAt thu.o.ng tren dung day va the dO thong ke bao cao:
Dieu 35. Tat ca nhang khiem khuyet phat hien trong qua trinh kiem tra phai thgc hien cac noi dung sau:
21/38
1. Ghi chep vao phieu kiern tra va vao s6 tong hop tinh hinh,dugng day c6 bien phap theo doi hoac c6 de nghi cap teen giai quyet.
2. Khi phat hien thay hien twang hu hang bat thireng cim bo phan cong trinh dugng day c6 nguy ca gay ra sir co mat dien dung day hoac vi pham cac quy dinh ye an toan thi phai bao ngay cho lanh dao dan vi quan 15/ du&ng day biet de kip thoi quyet dinh hung xin 1/ nhu sau:
a. Trugng hap b6 phan cong trinh dugng day hu hong c6 nguy ca gay ra sir c6 nhung sira china khong can tach clueing day ra khgi van hanh nhu: Sit, 16 mong, ke,... thi phai khan truang tien hanh sira china khong de xay ra sir co &ling th6i thong bao tinh hinh cho Dieu d'6 Cong ty Dien lire.
b. Trugng hop b6 phan cong trinh dung day hu hong c6 nguy ca gay ra sir c6 nhung sira china can tach dugng day ra kh6i van hanh nhu: C6t nghieng sap d6, chuoi cach dien bi phong dien, chuoi each dien bi vO• 1/2 so bat each dien va c6 nguy ca gay ra ski co cham dat, tiep xiic leo hoac ong not day bi dO, day dan, day chong set, day neo cot bi xa dirt nhieu sgi qua gigi han cho phep duy tri van hanh c6 nguy ca gay ra dirt day, day dan \Tong xuong khong dam bao khoang each an toan quy dinh tai mat dat,... thi phai khan truang clang ky vgi Dieu d6 C6ng ty Dien hyc ye viec xin tach ngay dugng day ra khoi van hanh de sira
c. Trugng hgp khan cap thi thong bao voi Dieu d6 Cong ty Dien lire de cat dien ngay.
Dieu 36. Hang thang tin ngay 25 den ngay 28 cac dan vi quan 1)", clueing day phai bao cao ve cong tac quail 1y van hanh dugng day hang thang len Cong ty Dien lire, trong d6 neu day
1. Cac khiern khuyet ton tai cua dugng day, ket qua thi nghiem thiet bi khong du tieu chuan van hanh (neu dugc lam trong thang).
2. Tinh hinh sir c6, bat thugng, nguyen nhan, bien phap xix'
3. Cac cong tac dai tu, trung tu, sira chug thugng xuyen.
4. Ke hoach thang sau.
5. Cac kien nghi.
Chuang III
SUA CIRCA
MR1C-A. BIV,N PHAP AN TOAN VA QUY DINH TRONG SfrA
Dieu 37. Viec sira china dueng day c6 the tien hanh trong dieu kien cat dien dugng day hoac khong cat dien. Viec lira chgn mot trong hai phuang an nay phai co can cir vao dieu kien an toan, kinh te, phuang an van hanh va phuang an thi cong doi hai.
Dieu 38. Cong nhan van hanh va sira chira dugng day phai la nhirng cong nhan chuyen nghiep, c6 du sire kilo& bao dam lam viec tren cao va phai chap hanh
22/38
quy trinh k`57 thuit an toan dien ciing nhu cac yeu ciu dugc neu trong quy trinh nay.
Di'eu 39. Vic sira chira du6ng day khong cat dien (sira chfia nOng) phai có dung cu chuyen dung va theo quy trinh rieng.
Dieu 40. Trong qua trinh sira chira phai tuan thii cac not dung:
1. Nhang cong viec sira chira phai treo len cOt qua 2m hoc nhang cong viec lam du6i dit nhung 6 gan thiet bi, duemg day dang mang dien hoc nhirng cong viec c6 anh huono den an toan van hanh duemg day va thi8t bi tren duemg day phai dugc lien hanh theo phieu ding tac.
2. Trong liic lam viec tren cOt ma duemg day dang c6 dien thi ngueli lam viec khong dugc tiep mac vii sir ca.& di8n, khong dugc den gan day dan va dua dung cu den gan day dan dang co di8n vii khoang cach nh6 han lm doi vii dien ap den 35kV (khoang each an toan quy dinh trong quy trinh an toan dien) va phai co ngu6i giam sat an toan luon nhac nha ngu6i lam viec.
3. Trutmg h9p can thiet sira chila du6ng day ban de'm phai c6 di' anh sang lam viec.
4. Khi c6 giong, bao hoc sip c6 giong, bao nguoi chi huy tract tiep phai cho don vi dog tac ra khoi khu vac nguy hiem do dirt day hoc do, gay cOt,... Cam lam viec tren du6ng day khi bat dau co giO cap 6 tra len hoc c6 mua n4ng hat, nuoc chay thanh dung tren ngueri va thiet bi trir truerng h9p d;ac biet khi co lenh khan cap dm cap c6 tham quyen.
5. Tit ca cong nhan, can 130 lam viec tren duiyng day phai co trang bi bao hi) lao dOng day du va deo phii hieu: quan ao bao hi, phai g9n gang, cai khuy tay ao, khong di dep le.
6. Khi lam viec tren cao phai co bien phap de phOng dung cu rai xu6ng (tit, dung cu lam viec phai co tai dung hoc cai chac than vao ngu6i. Khong ding duai than cOt khi ben ten cOt dang co ngubi lam viec.
7. Tru6ng hap c6 thong bao can bao so
cap thi phai nFirng cac cong viec sira chi/a tren du6ng day (trir mot so viec phai lam de doi ph6 vii can bao), cac mong cOt dang duce dao len de kiem tra, quet bitum hay sira chita phai lap lai ngay de sau khi can bac, di qua se tiep tuc tien hanh cong viec.
Dieu 41. Citing tac sira chtta tren du6ng day phai dugc hoar thanh trong th6i gian quy dinh, dam bao tieu chuin ky thuat va an toan.
Khi sira chfra du6ng day phai kru y khong lam anh hutmg den cac cong trinh lan can va hanche toi da thiet hai ye hoa mau, cay c6i... va phai bao quan tot vat to thu h6i ve so luvng va chat lugng.
Dieu 42. Khi kk thitc cong tac sira chira phai tin hanh kiem tra nghiem thu kh6i luqng cong viec da hoan thanh, c6 bien ban xac nh4n. Doi vai cac cong trinh ngam phai co bien ban nghiem thu truck khi lap.
Dieu 43. Doi vii cac cong tac sira chila lon phai lip phuang an k"y thuat va trinh duyet theo phan cap quy dinh hien hanh dm TO doan Dien lac Vik Nam.
23/38
D6i cac cong trinh cai tao nang cap c6 thay d6i thiet Ice ban dau phai c6 thiet Ice cua cac co quan dung chirc nang va duqc cap c6 tham quyen phe duy8t.
Dan vi thvc hi8n phai to chirc ph6 bien den tang cong nhan ve not dung phuang an va khi thine hi8n phai tuan thu nghiem ngat tirng buoc trong phuang an.
Dieu 44. Chi dugc phep thay d6i kh6i lugng cong tac sCra chaa hoac thay d6i bin phap k51 thuat khi duqc phep dia cap c6 tham quyen phe duy8t
Muc- B. CAC LOAI sfrA CHU'A DIAING DAY
Dieu 45. Cong tac sira china duerng day dugc chia ra ba loci:
1. SCra chira thuong xuyen.
2. XCr ly su c6 duang day dang van hanh.
3. Sirs china
Dieu 46. Sim china thuqng xuyen.
Dugc tien hanh thuerng xuyen tren tuyen duerng day dva tren quy trinh bao dung, situ chira cac khi8m khuy8t Oat hi8n th6ng qua kiem tra hang thong va kiem tra d6t xuat phai dugc lap thanh k8 hooch.
Do tinh chat cong vi8c, sCra china thuerng xuyen thuong dugc phan loci ra nhu sau:
1. M6t s6 hang mix cong vi8c dan gian c6 the to chdc ket hgp cong tac kiem tra dual-1g day: ch4t cay giai ph6ng hanh lang, ding co tiep dia (bi mat,
dap lai mong cot (bi sot, la,...), ding co day neo (bi chUng, mat 8 cu,...), lap lai thanh giang cot thep (bi mat,...), son lai mot so chi tiet thep bi ri, thay mot vai bu long bi ri nang, dap va be tong cot, gia co ke m6ng c6t,v.v.
Ch.* nhat la 10 ngay sau kiem tra phai xir ly xong.
2. Cac hang muc cong vi8c can phai c6 bin phap 1(5% thuat dugc lanh dao don vi phe duy"8t va dieu hanh nhu: Ep lai leo, ep va day an, xir 1)'r nhang day dan, day chong set Flu hong nghiem trong de dga six co, thay mot so phu kin hong, thay mot vai bat each din trong chu6i each dien, chinh cot nghieng, chinh xa, v.v. sau do bao coo ket qua thvc hi8n cho Cong ty Di8n Ivc. Nhang vi8c nay phai xir ly xong trong lan cat din gan nhat hoc bang cac giai phap thi cong khong mat diem.
Dieu 47. Xti. 1)", sir c6 &rang day dang van hanh.
Dan vi quan 1y throng day phai lap phuang an xir ly su c6 va dugc phe c,luy8t theo phan cap. Qua trinh phai dugc tuan theo quy trinh xit skr co dm Dieu d6 va cac phuang an k5% thuat da phe duyest. Vic thvc hi8n can phai nhanh chOng dva theo tinh huong, dia hinh cu the, dam bao thai gian xir 1)", sir co la ngan nhat, an toan va chat lugng.
24/38
Dieu 48. Sira chila l&n du mg day bao gOm dai tu dinh kSi va trung tu &Tong day. Ni8 dung va phuang an ky thu5t sira chita bon clueing day phai dugc chuan bi ky va dugc duyet truerc khi thvc hien.
1. Dai tu dinh kS(: la cac ding viec sira chira dinh 1(57 duong day nham moc dich phoc hoi trang thai hoan hao cua,duerng day va dam bao van hanh tin c5y va kinh to trong giai doan gifia hai lan dai tu.
a. N8i dung dm dai tu bao gom cac ding viec: Thay mai hang boat bat cach dien, thay cot, thay day dan, thay hang boat pho kien, thay hang boat xa, tiep dia... hoc khoi phoc lai duirng day bi hu hong n5ng trong qua trinh van hanh, sau thien tai bAo lot hoc sau cac sv co
b. Chu 1(5/ dai tu clueing day la 6 nam, rieng dOi veri cac &rang day yen hien chu IcS1 dai tu la 4 nam. KS, han nay có,the thay doi theo tinh trang cu the cua duerng day, can cu vao ket qua kiem tra, thi nghiem din phong dugc Tong cong ty Dien lvc phe duyet.
2. Trung tu dueng day: la cong viec &Oa chita, bao dtrei'ng hoc thay the cac b8 ph5n sam,bi hao mon hu hong, hien chat, barn ban trong qua trinh van hanh giCra hai lan dai tu.
Can uu, tien thvc hien bang cac giai phap thi cong khOng mat dien khach hang hoc ket hop viec sira chila bon throng day vai cac cong viec khac lien quan (sira chfia lueri dien trung the...) de han the thOi gian gian doan cap dien cho khach hang.
3. Trinh tin va thu tvc Sfra chila bon thvc hien theo quy the Sira china lem hien hanh.
MI,JC-C. SCA CHUA COT THEP, XA THEP TREN COT BE TONG
Dieu 49. Cac bu long bi lOng phai dugc xiet lai dat yeu cau ky thu5t. Bu long bi mat can dugc bo sung do va &mg chung loai va dam bao cac yeu cau ky thulat khac.
Dieu 50. Nhang, cot thep bi nghieng qua tieu chuan cho phep phai dugc dieu chinh lai cho thang bang each at tam dem bang thep duari ban de chan cot. Chieu day tong Ong cua toan b9 tarn dem khOng qua 40mm.
1. Khi dieu chinh cot neu phai nOi cac e cu cua bu long mong thi phai neo ham bang cap thep co tiet dien dO 16rn sao cho dat he so an toan K#2,5. Day neo phai dam bao khoang cach an toan vOi cac h8 ph5n mang dien cila ban than &rang day gang sita china ciing nhu doi vOi 138 ph5n mang dien ctia cac duOng day khac lan can.
2. E cu dugc ra toi thieu phai gift du phan ren day cila 01 8 cu cua bu long mong.
3. Dieu chinh cot thep dung yang bang thep neo bi nghieng qua tieu chuan cho phep dugc tien hanh bang cach dieu chinh chieu dai va lvc cang day neo bang cac 8 cu tang do. Trong qua trinh dieu chinh cot khong dugc tac Bong
25/38
luc manh hoac xung luc vao cot. Phai tinh toan truov, dam bao cOt khong bi bien dang sau khi dieu chinh.
Dieu 51. 136i vii nhimg cOt sat neo DSc, neo thing, neo cu6si bi nghieng qua tieu chuan cho phep phai dieu chinh lai thi truac het phai xem xet den sr; can thiet cat dien, giai phong toan bO day mac tren cOt de cOt khong con chiu dung luc cang roi mai tien hanh thuc hien Dieu 50 not teen.
Dieu 52. Khi sUa china cot dao pha khong dugc lam thay doi vi tri pha teen cOt.
Dieu 53. Son lai cOt thep, xa thep tren cot be tong, mat bich cOt be tong, thanh giang... (loai thep khong ma kern) dugc tien hanh toy theo tinh trang cua lop phu chong an mon. Phai dam bao theo TCVN 9404-2012 ye son xay dkmg-phan loai hien hanh va thuc hien cac nOi dung sau:
1. Dua vao ket qua cac kS, kiem tra ma quyet dinh viec son lai cOt thep, xa thep tren cOt be tong, mat bich cOt be tong, thanh
2. Son ch6ng ri va son phi' phai dung loai son co tinh nang ben, chiu dugc mua nang, khOng bi anh huang do tic dOng him hoc trong khi quyen va có tuOi th9 tit 3 nam tra len. Khong dugc dung 14 son trong nha de son cOt va xa.
3. Truck khi son lai cot thep, xa thep teen cOt be tong, mat bich cOt be tong, thanh giang,... phai lam sach ri cac cho son di con lai va cau ghet, lam sach cac cho not cua cac chi tiet. Phai tien hanh son du so lop va dung quy trinh cua loai son do nha san xuat quy dinh. Son thanh nhfing lop bang phang, khong co bgt khi va clang son day deu tren mat sat, lop son truck kho mai son tiep lop sau. Cao ri va son tir tren xuong theo thin to tir day thong set, xa va sau dO den than cOt, tien hanh trong dieu kien thai tiet kho rao.
Dieu 54. Trong dieu kien van hanh neu phat hien nhang chi tiet cua cOt thep (loai ma kern) bi ri thi phai kip thai lam sach ri va son lai ngay nhang cho ri.
Dieu 55. Twang hgp son cOt duerng day dang van hanh, cac don vi quan 1)", phai lap bien phap 1(5, thuat, bien phap an toan va trinh duyet truck khi tien hanh cong viec.
Dieu 56. ThUng son khong dugc treo tren cot phia ten day clan va chuoi cach dien ma phai treo tren xa cach cho bat chuoi sir cach dien toi thieu lm (cap dien dp 35kV tro. xuong). Khong cho phep son roi vao day dan, chuoi cach dien va cac chi tiet mang dien cira cac thiet bi dien teen &rang day.
, Dieu 57. Trong qua trinh van hanh neu phat hien mong cOt bi nut phai dap be tong lai. Be tong dap lai phai có mac cao hon mac be tong thiet ke mong mot cap.
Dieu 58. Viec can thiet qua. lai bitum hoac 'lac in cac along cOt dugc quyet dinh vao cac kSi kiem tra ch9n 19c có ciao de xic dinh tinh trang bi xam thuc cua mong. Khi dao hru y khong &roc lam dirt tiep dia hoac his hong cac phan chon ngam cira cOt dien va cac cong trinh khac.
Khi ciao het chieu sau mong cOt phai tuan thir cac quy tic sau:
26/38
1. COt c6 4 chan mong c6 the dao mot chan irking ma khong phai neo ham cot.
2. COt c6 mot chan mong thi c6 the dao sau khi da neo ham cOt chic chin bAng 4 day neo (day neo phai dam bao khoang cach an toan vii cac bo phan mang dien).
3. D8i vii cac cOt neo goc, cOt neo cu6i, cOt neo thang, cOt dac biet (cot virgt, cOt ke, cOt dao pha, cOt re nhanh va cOt giao cheo hai &Tong day tren mot cot...) can phai c6 Wen phap xir ly k9 thuat dugc cap tren phe duyet cho tirng truing hop truck khi dao mong.
MOng cOt da dao len de quet lai bitum hoac h&c in Wong &pc phep de tror qua 3 ngay.
Dieu 59. Viec quet lai bitum hoac hAc in (nhira) cac mong cot thuc hien theo trinh to sau:
1. Truck ,khi qua. phai, cao, danh sach thir can ban barn vao thanh be tong bang ban chai sat va lam cho kho mat be tong.
2. Sau khi mong cOt da kho hAn thi quet nhua tir dirai len. Cac de chan cOt va cac bu long mong nam tren mat dat ding phai quet nhkra. Dac biet neu cOt bi ngap nu6c phai quet bitum toanbO phan ngap nu& va phia teen phan thuorng xuyen ngap nuorc 0,5m.
3. Sau khi nhkra kho,(khoang 14-20 tit)/ theo tinh chat cua nhkra va nhiet do moi truing) thi lap lai mat bang,dat mem, min, khong co rac, khong c6 soi da de khoi lam hong lap nhtra chong nugc xam thkrc. Dap dat tirng lop 20cm, dam chat, mat ho phai san bang phang hoan hao nhu truck khi dao.
Dieu 60. San cOt the') va quet nhkra mong cOt thugng phai tien hanh dOng Khong cho phep sun va quet nhtra cac bO phan cOt con u6t ding nhu nhiet
do moi truorng durgi +5°C.
Sau khi son cOt xong phai khoi plwc cac s8, ky hieu teen cOt.
MVC-D. S1Th CI-IffA CQT BE TONG, MONG NEO, MONG CQT VA PHIJ KIEN
Dieu 61. Tang cuing cong tic kiem tra phat hien va sira chfra kip thai:
1. Nhang htr h6ng cua cOt be tong, c9c neo, thanh ngang va mong cOt be tong cOt thep thugng la do bi nut, cot thep bi ri, be tong bi toe, Or lam giam chat lugng an toan van hanh va thgi gian sir citing dm cOt.
2. De phat hien cac,thieu sot phai tien hanh kiem tra toan 'DO chieu cao cot, cong nhu ciao dien hinh, mot so mong clot sau 0.5+0.7m. Truing h?p can thiet phai neo ham cOt bang day neo truck khi dao.
3. Dua vao ket qua kiem tra xac dinh sir can thiet tien hanh sira china cac cOt be tong, c9c neo, thanh ngang, mong cOt be tong cot thep va mirc dO, khoi luting sira chira can thiet.
Dieu 62. Nhang OA be tong (cOt ly tam, cOt c6 to mat cheo) bi nghieng qua tieu chuan cho phep phai dugc lieu chinh lai cho thang nhu sau:
27/38
1. Cat dien, giai phong toan 1)0 day mac tren cot de cot khong con chit.' lirrc cang.
2. Neo ham cot chic chin bang 4 day neo sau d6 tien hanh dao phia mong can dich chuyen (day neo phai dam bao khoang cach an toan vii cac bO phan mang dien).
3. Thy theo tinh hinh thirc to pet' ,can thiet phai moi dat cac thanh mong de giam ma sat va moi mot phan dat day mong de de chinh cot. Luu y trong qua trinh chinh cot khong dugc tic dOng lkrc manh hoac xung hrc vao cot.
4. Sau khi cot dirng thing phai dam chat dat va lap dat lai nhu dat men ,khong c6 soi khong co rac, lap Urn lOp 20cm dam k-y, mat dat sau
khi lap phai bang phang.
Dieu 63. De sira china cot be tong cot thep phai dung vita xi mang c6 dO ben va dO ket dinh tot len mat be tong theo quy dinh sau:
1. Visa xi mang chi dugc dung trong khoang hai gief sau khi trOn.
2. Tank khi trat phai tu6i uat ch8 r6, ch8 bong, ch8 nirt bang dung dich vua loang 10%, sau do dung bay thg ne len visa xi mang vao cac khe
3. Sau mot gia lai tam uat ch8 trat, rac xi mang khO len va tang nh&n mat.
4. De, dam bao chat luting chira nen dung vita xi mang trung hop. Thanh phan vim xi mang trung hop nhu bang sau:
Ten thank phAn
Thanh phan tinh theo % trong lugng
De trat cac vet nth nho
• De trat cac vet nirt 1an
eD trat nhang ch8 bi r6, chti bong va nhang hu
hong tucmg to Nha Polivinil
Axetat 12 5 4,3 3,5 4,5 3,5
Xi mang pooc Lang loci 400-500
59,5 28 21,5 17 22 18
Cat min hat d6su (0,3mm) - 56 64,5 69 - -
Cat thong thuang (den 3mm)
- - - - 66 72
Nuac 28,5 19 9,7 10,5 7,5 6,5
Dieu 64. H6‘ xi mang trung hop dugc pha tai hien truing khong dugc truesc hai gia khi bat dau lam viec. Ho dugc quet hai lop len mat be tong bang choi long, truov khi quet mat be tong phai dugc tam uat bang vita loang 10%, quet lap thir hai sau lop thir nhat (1-2) gior.
, Dieu 65. not ma be tong bi lan to ca cot thep thi len ch8 d6 mot mieng luai thep va sau d6 trat day be tong.
Dieu 66. Tru6c khi trat 118 bao ve hoac trat cac chO h6ng cua mat be tong phai cao s4ch ban va bui, con cac lap be tong >op thi boc di.
Dieu 67. Trong qua trinh van hanh phai tiep tic theo dai tinh trgig be mat cot da dugc phet ho hoac saa chira 14i.
28/38
SUA CHUA DAY NEO
, Dieu 68. Cac day neo cang khong (IL nhau thi phai,dieu,chinh lai, cho deu bang tang do.. Khi tang lai day neo nen ket herp chinh cot neu thay can thiet.
Dieu 69. Cap thep dm day neo va cac bO phan bat day neo vao cot, cac tang do phai dinh kS1 boi m i chong ri.
Dieu 70. Day neo bang thep ton neu khong ma kern phai son va dinh kSi phai dugc son lai.
SUA CHUA DAY DAN, DAY CHONG SET
Dieu 71. Tay theo mire dO hu h6ng cua day clan va day ch'Ong set phai tin hanh bao duong, sira chira theo quy dinh er Dieu 17 bang mot trong nhang bin phap:
1. Quail day bao duong tai cho c6 sgi dirt.
2. Dung 6ng va ep vao chiS c6 sgi dirt.
3. Cat day va noi lai bang 6ng noi ep.
4. Thay the mot clop day hong bang mot doan day med.
Dieu 72. 1)6i veri cac loci day dan tren truac khi quail bao clueing, ep 6ng va, phai vu6t cac dau day bi dirt cl4t vao ranh bi khuyet cua sgi day do va lam ve sinh sach se.
Khi ep 6ng va, ep 6ng noi phai thuc hien dung cac yeu cau cua quy trinh ep noi.
,Dieu 73. Khi mot doan day clan hoc day ch6ng set bi hu hong can phai cat di noi lai phai dux hien cac yeu cau sau:
1. Lap phucmg an k5i thua't thi cong.
2. Dung dung chong loci day thay the va 6ng noi.
3. Sir dung cac ham ep dung quy dinh.
4. Thuc hien dung trinh to ep noi.
5. M6i noi phai dat tieu chuan neu trong Dieu 17 cila quy trinh.
6. M6i noi phai each khoa do t6i thieu 1,2m.
Dieu 74. Khi cac day clan va day ch6ng set bi hu hong tai cac cl-C6 bat khoa do (do bi rung, mon,.v.v.) thi nen xe dich diem bi ton thuong (sau khi da dugc sira chCra, bao duong) ra khoi khoa do bang each thay mot doan day dan hoc day chong set tir khoang cot nay qua khoang cot khac chay qua kh6a der' tranh hai moi noi tren ding mot khoang cot. ChU y mOi noi phai each khoa do toi thieu 1,2m.
Dieu 75. Truerng hop phai thay khoa neo do su co dirt day tai khoa neo (day dan hoc day chong set) phai thuc hien cac noi dung sau:
1. Ch9n kh6a neo dung chong loai.
2. Thuc hien dung quy trinh ep khoa neo.
29/38
3. Neu day bi ,ngan thi dung thanh noi trung gian va dieu chinh dO dai cua thanh nay de gill do vOng cua khoang neo khong thay doi.
Dieu 76. Khi cang lai day dan va day chOng set tren mot khoang neo, phai dich chuyen day dan hoac day chong set ten cac cot trung gian len cac puli, cac ranh puli phai phu hop dubmg kinh cua day.
Dieu 77. Khi day ,dan va day cheing set ri, an mon nghiem trong phai thay day mai. Giam doe Cong ty Dien luc quyet dinh viec thay tirng, phan hay thay thay toan 1)6, tUy ,theo tinh hinh cu the. Khi thay toan bO day dan can xet kha nang phai nang cap tiet dien day neu dueng day dang bi qua tai.
Dieu 78. Nhang hu hong day dan va day cho'ng set bi ri, bi an mon nghiem trong de doa skr co phat hien dugc khi kiem tra va thi nghiem trong van hanh phai khan trucmg tien hanh sira chug ngay khong dugc chop den khi dai tu sira china.
Dieu 79. Viec cat noi day clan va day chOng set, bao duang ep noi, sira chila thay the kh6a neo phai c6 bien ban nghiem thu ky thuat, cac noi dung sda china phai ghi chep day dU vao ly lich cua &a:mg day.
Chuang IV
THU TUC NGHIEM THU
Dieu 80. Truck khi dua dueng day vao van hanh phai to chirc nghiem thu, danh gia chat lugng cong trinh de ban giao cho don vi quail ly van hanh.
Dieu 81. NOi dung va tieu chuan nghiem thu: phai, theo thiet ke kS, thuat cong trinh, cac tieu chuan, quy dinh ma Nha nu& va cac cap da ban hanh, cac van ban chi dao cua cac cap c6 lien quan.
Dieu 82. Trong qua trinh nghiem thu neu Oat hien thieu sot thi cac thieu sot nay phai dugc khan twang khac phvc de tien hanh nghiem thu lai. Nghiem cam dua vao van hanh cac cong trinh chua du tieu chuan van hanh.
Dieu 83. Khi dua duemg day vao van hanh dan vi dAu tu cong trinh phai ban giao day du cho dan vi quan 1 van hanh day du tai lieu sau:
1. Bao cao nghien cal kha thi va cac van ban phe duyet.
2. Van ban ve nhiem vu thiet ke, thiet ke sa 1)0, thiet ke thi cong, nhang ban giai trinh thuyet minh ket qua tinh toan kinh to k-ST thuat, giai trinh ket qua tinh toan ye anh huang gift cong trinh duerng day va cac cong trinh có lien quan (giao thong, buu di'en, quoc phong,...), tai lieu khdo sat dia chat.
3. Cac bien ban xac nhan ve ky thuat thi cong cua cac hang mvc: Phan ngarn, phan noi, keo day, bien phap thgc hien noi day.
4. Tai lieu IC'y thuat cua cac thiet bi tren do nha the tao cap.
30/38
5. Cac Hen ban thi nghiem mons, sir, dien tra tiep dia cot, cac Bien ban thi nghiem cac thiet bi khac co lap dat tren &rang day (cau dao, duong day nhanh, den tin hieu, TU duong day, cuOn cam thong tin...).
6. Cac Bien ban kiem tra cac khoang vuot va cac khoang giao cheo vOi cac ding trinh.
7. Ban ye mat bang, mat cat &N.
8. Cac van ban thay doi thiet ke va cac ban ye kern theo.
9. Cac van ban phapb'/:
a. Cac van ban cap dat, cap tuyen duong day, cac van ban thoa thuan cua cac ca quan quan chuyen nganh. Bien ban den bir (co khoi Wang va gia tri den bu cho tong ho co xac nhan cua chinh quyen dia phuong) hoac cam ket giai phong hanh lang chinh quyen phuang (truang hop la cac khu vArc cong cong hoac khu vtrc thuOc tai san cua Nha mrac).
b. Cac ban ye, bien ban, tai lieu lien quan den nha cira, ding trinh ban tai trong hanh lang bao ve duong day.
c. Cac hO soy lien quan den tieu chuan an town cua dueing day va nha cUa theo ND- 14/2014 (neu cu the timg viec phai lam de thvc hien dung va day du cac quy dinh trong Nghi dinh).
10. Ban thOng ke cac thiet bi ,cira duong day,, cac cong trinh va nhang dung cu, nguyen vat lieu, thiet bi duphong de giao cho co quan don vi quan I)'T van hanh.
11. Ket Juan cua hOi dOng nghiem thu cho phep &mg dien duong day.
12. Van ban ghi nhang vat tu, thiet bi lap dat khong dung thiet ke, khong có thi nghiem xuat xu&ng. (ma thi nghiem kiem tra cho phep van hanh).
13. Tai lieu hoan ding va cac van ban lien quan.
Dieu 84. Trong qua trinh nghiem thu phai chap hanh nghiem chinh quy dinh hien hanh ye cac tieu chuan dua ding trinh vao van hanh, cac van ban chi dao cua cap tren.
Khi hoan thanh cong tac nghiem thu nguOi, HOi ding nghiem thu cap C8ng ty Dien ltrc se quyet dinh dong dien. NOi dung dong dien nghiem thu gom co:
1. Do each dien duong day pha- pha, pha- dat.
2. Hong dien nghiem thu khong tai yeti dien ap dinh mirc.
3. Thir ang vi pha ai vOi &rig dien duong day có mach \Tong.
4. Dong dien mang tai yen dien ap dinh mirc.
5. Sau khi dong dien mang tai trong vOns 24 tieng vai dien ap dinh mite, neu duong day kh8ng di hien Wong bat thuaing thi chinh thirc ban giao dua vao van hanh.
31/38
Chuang V
TO ClitrC THVC HIEN
Dieu 85. DiL khoan thi hanh
1. Cac Pho TOng Giam d6c EVN, Truong cac Ban thuOc HOi d6ng thanh vien, Chanh Van phong, Truang cac Ban chtic nang EVN, Ngtrei cymg du cac don vi true thuOc EVN, Ngtroi dung du cac Cong ty do EVN nam gift 100% von diL 1e (Cong ty TNHH MTV cap II), Nguiyi clung du cac Cong ty con do Cong ty TNHH MTV cap II nam gift' 100% von diL 1e, Ngu6i dai din phan von cila EVN, ctia Cong ty TNHH MTV cap II tai cac Cong ty di phan, Cong ty TNHH chiu trach nhiem thi hanh Quyet dinh nay.
2. Trong qua trinh thgc hi'en, n'L có vuong mac, phan anh kip th6i N4 EVN de xem xet, sira dOi b8 sung cho phil hop./.
TONG GIAM -DOC
32/38
„1
PHii LUC Don vi: Di0 Ityc... Miu DDTA-KTN s6.
PHIEU KIEM TRA DINH KY NGAY DUNG DAY TRUNG AP
(Dung cho duang day tren khong tren 1 kV den 35kV) Doan dtrong day kiem tra: Tir vi tri..... den vi tri..... thu9c xuat tuyen Ngay kiem tra• Yeu cau dinh kSi kiem tra: ( Ilan) Danh sach nhom kiem tra: STT H9 va ten Chirc danh Bac thg Bac AT
1 /5 2 /5 3 /5 4 /5 5 /5
1. N9i dung kiem tra (kiem tra bang mat, dam bao khoang cach an toan hoac có dung cu an toan):
a. Hanh lang tuyen (ghi cac ton tai trong, ngoai hanh lang tuyen co kha nang gaiste co, cac not dung can
b. C9t (ghi cac vi tri can mie lf) nhte nghieng, bien dgng, Hirt hoac mat thanh, cac hien bao.v.v. cac not dung can xir W:
c. Mong cot (ghi cac vi tri can xti lf; nhte lun, nut, soi la tinh trgng bat tint-Ong slat khu vtec xung quanh...nOi dung can xte
d. Cac ket cau xa va gia do (ghi cac vi tri can xft ly, not dung can xft W:
e. Cach dien (ghi cac vi tri can xfr If; nhtr phong dien, byi ban, cac hien ttrqng bat thtrang, phy kien..., not dung can xtr lf2):
f. Day dan (ghi cac vi tri can xie lf; nhix diet ttea, ton thumg, mai nai, dieu hoac vat lg barn vao day dan, phOng dien, dao clOng va am thanh, van xoan, do v5ng:
33/38
g. Cac ket cau tiep dat (ghi cac vi tri can xtr ly, not dung can xtr
h. Day neo, mong neo (ghi cac vi tri can xis ly, not dung can xic 1 f 2).•
Cac thiet bi cl-ing set (ghi cac vi tri can xti ly, not dung can xer
j. Cac thiet bi gong cat tren du*ng day (ghi cac vi tri can xtr ly, not dung can xirly):
k. Cac thiet bi bit cong suat phan khang (ghi cac vi tri can xtr ly, not dung can xtr 1.0.•
2. Cac hien tuong bAt thuong khac:
3. Cac ton tai da ngay trong qua trinh kiem tra:
4. Cac de nghi:
a. Cac van de can giai quyet:
b. Yeu cau ve theri gian giai quyet:
c. Ngdy clap nhat thong tin vao ho so quan ly duOng day:
34/38
d. Y kin cua Gam d6c ho-ac pho Giam d6c Dien luc:
Clam dee Dien hjc TM. TO QLVH TM. Nhom kiem tra (K) ghi r6 hp ten) (I() ghi ro ho ten) (1‘) ghi r5 ho ten)
Thei gian va ke't qua xir
Qin]. doz e Dien lye Ngtroi xir ly (K) ghi rb- ho ten) (K)ghi r5 hp ten)
35/38
Dun vi: Di0
Ndu DDTA-KTD s6.
PHIEU KIEM TRA DINH KY DEM DUtiNG DAY TRUNG AP
( Dimg cho duOng day tren khong tren 1 kV din 35kV) Doan dithrig day kiem tra: Tir vi tri .....den vi tri..... thuOc xuat tuyen Ngay kiem tra• Yeti cau dinh ky kiem tra: ( /1An) Danh sach nhom kiern tra: STT Ho va ten Chirc danh Bac thy. Bac AT
1 /5 2 /5 3 /5 4 /5 5 /5
1. NOi dung kiem tra: a. Phat nhiet cac moi noi:
b. Phong dien (am thank, ph& sang...) a duong day, chut:ii cach dien:
c. Cac nguy co• co kha nang gay sv• co throng day:
2. Cac hien tucyng bat thu6ng khac:
3. Cac ton tai da xir ly ngay trong khi kiem tra:
4. Cac van de can giai quyet:
A a. reu cau ve thoi gian giai quyet:
b. Ngay cap nhat thong tin vao hO so quan 1S, throng day:
36/38
c. Y kin cua Giam do'c hoc pho Gam do'c Di0 lkrc:
Gam dOe Dien line TM. To QLVH TM. Nhom kiem tra (10 ghi r5 hp ten)
ghi r5 hp ten) (KJ') ghi r5 hp ten)
Th&i gian va k& qua xir 1)'/:
Gam diic Dien lye Nguiri xii• 157 (K.), ghi ro hp ten) (1c), ghi JO ho ten)
37/38
MVC LUC
NO i dung Trang
Chucmg I: Quy dinh chung 1
Chuang II: Quan15, van hanh 2
MIX-A. Cac yeu cau chung ve Quanb', van hanh 2
MVC-B. Tieu chan van hanh 5
mVC-C. Tieu chuan ve hanh lang bao ve duemg day khOng 13
MVC-D. Cong tac kiem tra va chu kS, kiem tra 16
MUC-D. 1. Cac bien phap an town khi kiem tra duefng day khong 16
MIX-D.2. Cac loai kiem tra va chu kST kiem tra 16
MIX-D.3. NOi dung cu the cho timg loai hinh kiem tra 18
MVC-D.4. XixVi bat thuiyng tren dohs day khong va the cIq 21 thong ke, bap cao
Chuang III: Sim chila 22
Bien phap an town va quy dinh chung trong sira chira 22
Cac loci sira chila &a:mg day khong 24
MIX-C. Sira chira cot thep, xa thep tren cot be tong 25
MVC-D. Sirs chita cot be tong, mong neo, mong c'cit va phu 27 kien
MUC-E. Sfra chfra day neo 29
MVC-F. Sira chita day tan, day ch6ng set 29
Chuang IV: Thu tuc nghiem thu 30
Chuang V: TS chirc thgc hien 32
Phu luc 33
38/38