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Kinh em: - TRUNG TAM GPC1,2,3- BANQLDA- PHONG KTNV

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Thuc hien quye't dinh cua Tong giam doc Tong Cdng ty Biru chfnh- Vien thdngviet nam so: 2159 QD/VT, ngay30/05/2005 v6 viec " Ban hanh Quy dinh khai thac vabao dudng he thdng phong chong set - tiep dat mang vien thong", dong thai dd dam bao

.muoan mang Iudi trong mua mua bao sip tdi, Lanh dao Cong ty yeu clu:

1- Cac Trung tlm GPC khu vucl,2,3ÿ

ÿ - Huong din tridn khai Qui dinh nay xudng cac don vi: Phdng KTNV, Dai GSMpL Zllb va Xudng SCTB

if yj- Kjim tra Iai toan bo he thdng chdng set - tie'p dat cho cac Dai , tram vien thdngTrong khu vuc, theo tieu chf cua Qui dinh nay

p fiuNod ~ To elide khlc phuc nhung diem, hang muc chua phu hop tai cac Dai ,Tram vien° ' H Ihong hien nay so vol Qui dinh cua Tdng Cong ty

,— - Bao cao Lanh dao Cong ty ke't qua thuc hien trudc 5/8/2005Q\u ÿ

2. Ban QLDAÿ -As ~ Triÿn khai noi dung cua qui dinh nay xudng cac don vi va ca nhln co lien quan

C< Cl5nÿ nshi?ni thu co so ha ting Dai,Tram vien thdng dd dam

- ÿ tfnh thdng nhdt trong toan Cong ty vd cac tieu chf cua thiet bi chdng set - tiepdlt mang vien thdng.

cC-eÿ phong KTNV/©ZatV/ y - Kiem tra, ddn doc, cac don vi thuc hien nghiem tiic qui dinh nay

x Nhungqui dinh trudc day cua Cong ty trai vdi qui dinh nay deu bai bo

vO-> Men nhdn:l£J~- Nhutren.1 Litn.

GIAMDOCCONG TY DICHVU VlfiN THONG

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BUUCHINHVlfeNTHONG Doc lap - Tudo - Hanh phuc

VIET NAM

QUY DINHKHAITHAC VA BAO DUONG

HE THO'NG PHONG CHONG SET - TIEP DAT MANG VlfiN THONG

(Ban hanh theo quyS't dinh so: 2159 - QD/VT ngay 30/ 05/ 2005 cua Tong giam docTdng cong ty Biru chinh- Vien thong Viet nam)

CHTJONG IQUY DINHCHUNG

Dieu 1: Quy dinh nay dugc ban hanh nham thong nha't quan iy, chfe' do khai thac, baoduong He thO'ng phong chO'ng set-Tiep d£t tai cac D&i, Tram Vi6n thong cua TdngCong ty Bun chinh-Vien thong Viet nam.

Dieu 2: Cac thuat ngu va chu viet tit trong quy dinh niy dugc hidu nhu sau:

1- Thiet bi chO'ng set dugc vie't tit la TBCS, la ten goi cua cac san phim td hophoan chlnh co thd thuc hiennhiem vu tieu, thoat n£ng iugng dong xung set.

2- He thO'ng chO'ng set-tie'p da't la tap hgp cac trang thiet bi chong set va he thO'ngday dan da't, cac cue tiep da't. Tie'p da't la dieu kien bat buOc phai co de thiet bichong set hoat dOng co hieu qua.

3- Lien ke't ding the la su lien ke't v6 dien giCra cac thanh phin kim Ioai co yeuciu phai ngang bang vd dien the', lien ket nay co tac dung lam mit su chenhlech dien the" do set hoac cac su c6 lu<5i dien gay nen.

4- Mang lien ke't chung (CBN - Common Bonding Network) la mOt tap hgp cacphin tu kim Ioai lien ke't vdi nhau mot each ngau nhien hoac co chu dinh detao thanh mOt mang lien ke't chinh a ben trong nha tram viln thOng.

5- T£m tie'p da't chfnh(MET- MainEarthing Terminer) (a mOt ta'm ddng ma nikendugc khoan Id, bit chat vao tucmg va each dien vdi tucmg de' da'u noi cac duongdin bao ve, cac duong dan ke't no'i ding the' va cac duOng din da't chuc nangvdi mang tiep da't.

6- Van ding the' (TEC- Transient Earthing Clamb) la thiet bi dung dd lien ket canbang dien the giCra cac td tiep da't. Binh thirong cac td da't each ly vcri

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nhau(TEC ho mach) khi co sir chenh lech dien the virgt qua ngucmg lam viecTEC dong kin mach noi thong cac he thong tiep dat de can bang dien the.

7- Han chiy la lam cho cac thanh phan kirn loai chay ra r6i gin ket lai vdi nhau.Co thO thuc hien h;in chay bang cac cong nghe. han hoa nhiet(Cadweld),acetylen, ho quang dien cue than, khi tro, Gaz...

8- Dai, Tram viin thong (TVT) la nhung nha tram trong do co lip dat cac thiet biviln thong nhu: thiet bi chuye'n mach, thiet bi truyen din, thiet bi thu phat vamot so loai trang thiet bi khac.

9- Doanh nghiep viln thong khac(DNVTK) la nhung doanh nghiep viln thOngduqc BO Buu chfnh-Vi6n thOng cap giffy phep thiet lap mang va cung cap cacloai hlnh dich vu viln thOng co nhu clu ket nO'i thOng tin vcti mang viln thOngcua Tdng cong ty. \

CHUONG II

QUY DINHVE QUANLY VA KHAITHAC

Dieu 3: Dai, Tram Vila thOng truoc khi dua vao khai thac phai thuc hien (My du vadOng bo cac bien phap phong chong set- tie'p dat, bao g6m: ChO'ng set danh true tiepvao cot an ten, cac cOng trinh kien true; Chong set danh lan truyen theo dubng dignluoi, dudng day thOng tin va theo dudng day dat.

Dieu 4: He thOng chO'ng set- ti€p dak duqc trang bi nham dam bao an toan tuyet do'icho ngubi, han che ddn muc thlp nha't huhong nha tram, thiet bi, nang cao hieu quadau tu. Viec thi cOng he thO'ng chO'ng set - tiO'p da't phai duqc hoan ta't truoc khi thuchi6n ket noi thiet bi vi&n thOng va chi duqc thao dO sau khi da do h£t toan bq cac thietbi viln thong.

Dieu 5: Do'i voi cac Trang thiet bi chO'ng set-tia'p da't:

1. Chi dirge lap dat nhung chung loai thia't bi chO'ng set (TBCS) da duqc CueQuan ly chat luong Buu Dien - BO Buu chfnh-Vi£n thong clp gia'y chung nhan hopchuan.

2. Moi thiet bi chO'ng set su dung cho mang Vien thong phai co diy du gia'ychung nhan xua't xuong(OTK) chung chi, chung nhan suat xu nguon go'c, cha't luqnghoac bien ban ki£m tra, thu nghiem chng tai lieu huong dan lap dat, bao dudng.

3. Cac chung loai TBCS da duqc lip dat dung tieu chuan ky thuat, huong din cuanha san xua't nhung vln Xay ra su co cho thiet bi ma chung bao ve tir 2 lin tro lentrong thoi gian 5jqam khi ma he thong tiep da't vin dam bao chi tieu quy dinh thi phaithay bing chung loai TBCS khac va khOng duqc su dung chung loai nay nua.

Dieu 6: Khi thuc hien cac noi dung lip dat, do kiem, bao duong, sua chua phai apdung day du cac bien phap bao dam an toan cho ngucri, thiet bi va thong tin cua Dai,Tram Vi£n thong.

Dieu 7: Moi phucmg an trien khai ma rong, dich chuye'n thiet bi vien thong ddu nhfttthiet phai co phucmg an tiep dat - cho'ng set kern theo. Khi di rdi, dich chuyen c-actram vien thong hoac thiet bi vien thong co kem theo yeu ciu phai giu vung thong tinlien tuc thi phai thiet lap dong thai 2 he thong chdng set - tiep da't a 2 vi trf (mai va

cu) cho den khi hoan tit viec dich chuydn.

Dieu 8: Khi co su co set danh vao tram vien thong. Don vi co sd co nhiem vu khantrucmg giai quyet sir co, khdi phuc thdng tin lien lac, bao cao don vi quan ly cap tren

nguydn nhan su co ddng thdi phai luu tru hien vat hu hone va cac bien ban kem theothdi han toi thieu 01 nam.— .— • - - i

\

Dieu 9: D<5i vdi he thdng tiep dat:

1- He thdng tiep da't dupe thiet lap di dap ung nhu ciu. khai thac va bao v6 cuathiet bi tram vien thdng. Tri sd dien trd tiep da't cua he thdng phai thoa man Quypham tiep da't cho cac cong trinh vien thdng ma sd "TCN 68-174: 1999".

2- Trong cdng mdt khu ky thuat vien thdng cac 16 day d£t phai dupe thuc hienket ndi ding the' voi nhau. Tuy dieu kien cu thd co the thuc hien lien ket bang ludi sanbing dien the, ndi true tiep hoac ndi qua van TEC. Tai cac vi tri ket ndi phai co coctiftu hoac bien bao di dd nhan bie't, thuan tien khi kiem tra, sua chua, bao duemg. _

3- Khi cin bd sung, nang cap cac td day da't ph&i xem xet dac didm, ca'u true cuatd da't da co tren co sd dia hinh hien tai de xua't lua chon giai phap ky thuat hop ly vakha thi. Thuc hien bd sung, nang cdp cac td day d£t theo cac bien phap sau: Bd sungthem cac cue tiep da't xung quanh td tiep da't cu, su dung dien cue tiep da't chon sau,cai tao moi trudng tiep xuc bang hoa cha't.

4- gÿBgÿaaaig-khu ky thuat. vien thdngiPMÿedjtndt don yi.„duy nha't chiu trachnhiem quamly, hudng din, khai thac he thdng tiep da't;

'jfi 5- Hd so he thdng tiep da't bao gdm: Toan bo thiet kfif ky thuat cua he thdng; Thiet' kd lien ke't ding the; gia'y chung nhan xua't xudng cua thiet bi thanh phin, cac bien

ban nghiem thu, ban giao, so do hoan cdng, cac bien ban sua chua, cai tao, nang cip...phai dupe luu giu diy du va thuong true tai tram vidn thOng dd co thd xua't trinh kidmtra, tham khao, ddi chie'u, xu ly khi cin thie't.Dieu 10:Ddi vdi Cong trinh kien true tram vien thdng.

1- Moi cong trinh kieh trbc nim trong khu ky thuat vien thong diu phai dupephong chdng set thoa man Quy pham chdng set va tie'p da't cho cac cdng trinh vienthong, ma sdTCN 68 - 174:1998.

2- Mdi khi co thav doi vd ke't ca'u phincong trinh kien trite ke ca d nen_mong haythuong ting, deu phai kem theo ndi dung kiem dinh kha nang phong tranh set. Neu

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khong thoa man yeu clu phong chong set can co bien phap bo sung cho he thongchong set - tiep dÿTt.

3- Cong trinh kieh true khong diroc xay dung tren pham vi dien tfch chon cac t6day dat hoac xAm hai den he thong chong set - tiep dat.Dieu11: Doi vdi cot an ten.

1- Cot an ten va tat ca cac thie't bi lap tren cot phai nlm trong vung bao ve cua hethong phong cho'ng set. Moi su thay doi hoac dieu chinh cac thie't bi Mp. tren cot phaiduoc kiem tra bao ve an toan set, trudng hop khong dam bao phai co bien phap tangcudng vung bao ve set.

2- Nghiem elm dat t6 may phat dien, vat tu, vat lieu, thiet bi hoac lam kho, ke cakho 16 thien hay kho co mai lop trong pham vi chan de cot.

3- Han che toi da viec di lai hoacUam viec trong pham vi dudi chan de cot, chi lamviec va di lai trong khu vuc nay khi co ahu clu can thie't va khi vung trdi Ian cankhdng co dong set.

Dieu 12: Ddi vdi dudng day clp ngudn dien Iudi:

1- He thO'ng phong chong set lan truyÿn tren dudng dien Iudi duoc phan chiathanh mot hoac nhieu cap tiiy thudc vao quy mo, muc do can bao ve cua cac thiet bitrong TVT.

2- Cac TBCS trang bi cho dudng day dien Iudi phai duoc dat a beriJigQli khudnvien TVT; Trong pham vi khudn vien TVT, dudng day dien Iudi phai duoc che chinset (bang each di nglm hoac Iuon ben trong ong sit co tiep da't lap lai), bao dam dongdien di vao cac phong may ddu da duoc clt va/hoac Ioc set.

3- Thie't bi clt loc set duqc lip dat trong he thd'ng phai phu hop vdi dac tinh kythuat ciia dudng day dien Iudi, thoa man "Quy pham chdng set va tie'p da't cho caccOng trinh vien thong" ,ma s6: TCN 68-174:1998.

4- Phai tfnh toan, xem xet lai kha nang chong s6t cua thiet bi mdi khi mang dienIudico sir thay ddi phu tai (Them, bdt cac thiet bi dien). Phai tien hlnh sua chua, thaythe kip thdi khi dung luqng thuc te sir dung conJJCÿdiÿ

5- Moi thiet bi dung dien cua tram vien thdng, ke' ca thie't bi lip dat tarn thdihoac xe thong tin Iuu dong, deu phai duoc tiep da't va cap dien tir nguon da duoc baove set.

6- Khi Ian can tram vien thdng co cac cong trinh dien Iudi thi can phai do thir,kiem tra, xac diah kha nang xua't hien ahung diem ap la anh hudng x£u ddn tram vienthdng va co cac bien phap phong tranh.

7- Khong sir dung cac thie't bi gay nhiiu hai cho nguon dien cung cap sau TBCSdat trong cac TVT(cac loai may: han h6 quang, khoan, xay siah to, clt gach, bomnude dung mo to co chdi than) de tranh kha nang co the gay qua ap cho cac thie't bicln bao ve.

6/ 1 j

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S- Lap s6 theo doi quan ly, bao dudng, sua chua, chay the de' co ca sa danh giahieu qua bao ve cua thie't bi.Dieu 13: Doi vdi duang day thong tin vien thong:

1- Moi ducrng day vien thong khi di vao hoac di ra tuTVT ddu phai trang bj thietbi chong set va phai tuan thu cac quy pham cho'ng set va tiep da't cho cac cong trinhvien thong TCN 68 - 174 : 1998.

2- Khi co nhu cau phat trie'n tang dung luong TVT tat ca cac ducmg truydn Viinthong; ducmg day thue bao phai duqc trang bi phong chong set, vo bao ve cua cac soicap ra, vao tram vien thOng deu phai duqc tiep da't theo dung quy dinh.

3-Tai ahung vi trf chuye'n ddi giua ducmg cap ngim vdi ducmg day tren khonghoac nguqc lai deu phai trang bi phong chong set.

Dieu 14: Che do bao cao: \

1-Bao cao ngay cap lanh dao true tie'p sau khi co set danh vao tram vien thong.

2- Dinh ky 6 thang tap hop bao cao ve Tdng cong ty (Ban vien thdng) vdi cacnoi dung sau:

a- Thdng ke thiet bi chong set hien co tren mang Vien thdng ma s6: 06A-ND/VT

b- Thong ke su co' set tren mang vien thong ma so: 06B-ND/VT.

Dieu 15: Dÿ co the thuc hien tPt c6ng tac bao duang, sua chua kip thai, an toan hethO'ng TBCS - tidp da't, mdi tram viin thOng phai:

1- Duphong ddy du:

- Cac b6 kien chong set thong dung, phu hop vdi kha nang thay the' cho cacthiet bi dang duqc lap dat.

- Cac vat tu, vat lieu thong dung (nhu: bulon, dai 6'c, vong dem, dau co't, dayhan nd'i, gi£y nhap, md cdng nghiep, coc dat ...) va cac dung cu, phuong tien baoducmg, sua chua cin thiet.

2- Trang bi diy du dung cu phong hp lao dpng.

Dieu 16: Ket noi di6n luc, vien thPng-tin hoc vdi cac doanh nghiep vien thdng khac.

1- Moi ket noi ve dien luc hoac/va ket noi vien thOng - tin hoc cua doanhnghiep khac(DNVTK) vdi TVT deu cin phai duqc thuc hien nghiem ngat yeu cauchong set - tiep da't.

2- Trong pham vi khuon vien cua TVT, he tho'ng day da't cua DNVTK phaiduqc noi ding the' vdi he thd'ng day da't cua TVT, diÿm da'u nd'i ding the' do tram vilnthong cung ca'p. DNVTK chi duqc thuc hien tiep da't tur diem diu do TVT cung ca'ptrd ra ma khong duqc da'u no'i d bit kÿ mot diem nao khac.

3- Ducmg day cung ca'p nguPn dien AC cho DNVTK phai co bp bao ve quadong rieng, tach biet vdi bp bao ve qua dong cua mach cung ca'p dien AC cho TVT de

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I

thuc hien bao ve chon loc ve ngudn dien, khdng lam anh hucmg den TVT khi \DNVTK co su co. Thiet bi chong set lan truy£n theo dtrcmg dien lire phai duac lip dattai ranh gidi giua tram vmn thong va DNVTK.

4- Thiet bi chdng set trang bi phuc vu viec ket uoi vien thong tin hoc giua haidoanh nghiep phai lip dat tai cac cua ngo ra vac nha, tram cua TVT va DETVTK.

5- Moi thay dot tren duemg ddy dien ludi va dudng day vidn thong - tin hoc cuaDN~VTK co anh hucmg tai he thdng phong chdng set- tiep ddt cua TVT dau phai duac

;TVT cha'p nhdn bing van ban hoac xac nhan bing but phe.6- Moi yeu ciu an toan va ngudn dien va phong chdng set - tiep da't tran day

phai duac Idem tra, ddi soat dinh kf va/hoac nidi khi trong noi bo mang viln thOngcua DNVTK co su cd do set hoac ngudn dien gay nen.

7- Nhung ket noi dien luc hq>5c/va vidn thong - tin hoc dang ton tai trong thucte neu chua thoa man yeu ciu neu trong quy dinh nay dau phai thay the, bd sung chohoan thian.

8- Chi thuc hien nhung ket noi dien luc va viln thdng sau khi da thuc hienhoan tit cac bidn phap chdng set - tiep dat. TVT cd thd tir chdi hoac dinh chi moi ke'tnoi n6'u cac dan vi banngoai khdng thuc hien d£y du nhung y6u clu neu trdn.

CHUDNG 1:11

KIEMTRA BAO DUONG HE THONG CHONG SET TIEP DAT

Dieu 17: Cong tac kidm tra, bao dudng phai dupe thuc hien dung ve thai gian, dly dunOi dung nhlm duy tri moi chi tiau ky thuat cua ha thdng nhu thiet ke ban dlu, sdnsang phong chong moi anh hucmg cua set va cac dien ap la ddi vdi ngudi, thiet bi.

Dieu 18: Cac ky thuat vian, chuy6n gia da qua dao tao va ky thuat phong chdng set -tia'p da't mdi duac thuc hien ki£m tra, bao dudng. Moi noi dung thi cong, do thu, baodudng, thay tha' cd anh hucmg den an toan set, nha't thia't phai co bien phap phongtranh va phai duac lanh dao don vi quan If ch£p thuan bing van ban. Chi duac thuchien kie'm tra, bao dudng khi khdng cd ddng set.

Dieu 19:Bao dudng dinh ky theo nhung nguyan tic sau:

1- Bao dam thai han quy dinh, vdi sai iach ve thai gian giua 2 llngin nhau khongvuot qua 1/3 han muc bao dudng, ddng thdi phai du sd lln bao dudng dinh kf tucrngung trong nam. Thai han va sd llnquy dinh:

Ddi vdi ha thdng tiep d£t:- Ba thang mot l£n, do kia'm: cac mdi lien ke't, ta'm tia'p da't chfnh cua cac phong

may, didm tap trung day da't cua tung gia may va cua cac thiet bi chdng set.

- Sau thang mot lln do kidm toln bo cd'u hinJhi ddu noi va tiep ddt ben trong, benngoai nha tram.

Doi vdi TBCS bao ve cOt an ten; bao ve ducmg day dien ludi: 3 thang mdt lan.

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Doi vdi TBCS bao ve duong day vien thdng: 6 thang mot Ian.

2- Trong thai han phai thuc hien bao duong, neu trudc do khdng qua 1/3 thai hangiua cac lan bao duong tuang ung da thuc h.ien bao duong dot xua't thi dugc coi nhuda bao duong dinh ky va khdng can thuc hien bao duong dinh ky.cho lan do nua.

3- Thai gian bao duong dinh ky phai dugc thuc hien truac mua dong set tai diaphuong.

Bieu 20: Do kie'm dot xua't trong cac trudng hgp sau day:

- Co set danh vao tram vi6n thong.

- Sau cac tran bao.

- Sau khi sua chua cOng trinh, thay doi thiet bi.

- Khi co su thay ddi lien quan den mat bang cua he thong tie'p da't (dao bdi, lapdat duong <5ng hoac lam nha, trdng cay... gin noi co he thd'ng tie'p da't) co nguy ca anhhudng den cha't luong cua he thong.

Bieu 21: Kiem tra, bao duong cac thinh phan tiep da't ben trong nha tram vien thdng:

1- Kiem tra xac dinh c£u hinh da'u noi, tiep da't cua tram. Kiem tra, xie't lai ta't cacac die'm da'u noi tiep da't cua cac tu, ngan may, cdu cap, ludi kim loai, dai san bangdien the, cac thanh tiep da't, tarn tie'p d£t chung...

2- Kiim tra dam bao nd'i dung, nd'i du: Dung ve nguyen ly, vi tri, chung loai vatlieu, quy each lap dat nhu cu ly, khoang each, song song, vudng goc, vuot cheo.:_ Duv£ so luong day, du ve tie! dien cua day.

3- Do ki£m tra su lien tuc ve dien cua ta't ca cac day tiep da't noi tren tdi ta'm tie'pda't chinh, neu khdng dat phai sua chua, thay the'.

Bieu 22: Kie'm tra, bao duong cac thanh phia chdn ngdm:

1- Bo dien trd tiep da't cua cac t<5 day da't. Bo dien trd tie'p da't cua td da't cdng tac

tai ta'm tie'p da't chfnh (MET), dÿ ke't qua do dugc chi'nh xac cdn do tir hai de'n ba \intheo cac hudng khac nhau, tranh cac hudng co cac thanh phan kim loai chdn ng£mdudi long da't. Do dien trd tie'p da't cua cac tS da't khac tai nhung vi tri giao nhau giuaph£n n6i va phdn chdn ngim cua cap dan da't.

2- Do ki&n tra lien ke't dang the. Tren ca sd sa dd d£u no'i lien ke't giua cac tdda't dinh ra cac diem cdn do, bai do.

-Trudng hgp nd'i true tiep hoac nd'i qua ludi san bang dien th£ cac gia tri do segan gio'ng nhau; neu sai lech dang kiphai ki£m tra phdn d£u nd'i lien ke't.

-Trudng hgp nd'i qua van TEC do ki£m tra su lien tuc ve dien tu" cac d£u cuavan TEC de'n cac td day da't tuong ung.

- Vdi cac thanh phin kim loai chdn ng£m do kie'm tra lien tuc ve dien vdi ta'mtie'p da't chinh.

3- Kiem tra toan bd mat bang khu vuc danh cho cac t6 day da't. Dam bao khdngbi xam hai phan dien ti'ch chdn ng£m. Doc theo tuyen cap dan da't, tai cac vi tri co coc

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tiep dat neu bi lun, sut phai dugc bo sung chinh sua. Trong khi bao duong, sua chua' tri so dien trd dat phai thoa man yeu clu ky thuat tiep dat cua tram vien thong.

4- Kiem tra xac suit mot vai vi tri thuOc phan chon nglm de xem xet, danh giatlnh trang lienket, kha nang an mon va cac anh huong ve co, ly,hoa...

Bie'u 23: kiem tra bao duong he thong chong set cho cac cong trinh kie'n true theonhung noi dung sau:

1- Kiem tra cac dien cue thu set gdm: Cac kim thu set Franklin, cac dien cuethu set dang phong dien sdm, b6 tao ion (cac dien cue phan tan nang lugng set) yeuclu nguyen ven, khong co dlu hieu bi an mon, cong venh hay nhung bien dang vemat co khi. Cac dien cue nay phai dugc han ncii to't vdi mach din dat, mui kim phaisach.

2- Mach din dat tir he thdng day dat de'n mai nha, ludi chO'ng set hoac s£nthugng phai nguyen ven, lien macfi Mdi nbi giua cac dien cue vdi he thdng machdan set phai chic chin dam bao din dien tbt mdi nao khdng dam bao phai dugc baoduong ngay. Tie't dien cua day phai dung, du theo quy pham neu bi an mon, thieuphai dugc thay the. DO cong, udn lugn phai dung yeu clu ky thuat.

3- Do kiem tra su lien tuc v£ dien tu cac cue thu set den cue tiep dlt cua hethong. Do dien trd tiep dlt tai cac diem giao nhau giua phln ndi vi phan chOn ngamcua ta't ca cac day thoat set. Do kilm tra su lien, tuc cua dai san blng dien ap b dudichan cOng trinh (ne'u co).

Bieu 24 •. ki£m tra, bao duong he tho'ng TBCS lan truyln tren dubng dien ludi theonhung ndi dung sau:

1- Kie'm tra txnh trang hoat ddng cua thiet bi clt set (Bao ve so ca'p) vi cat locset (Bao ve thu clp) thdng qua he tho'ng hiln thi.

2- Kilm tra xiet Iai ca'c md'i nO'i, cac lien ke't, cac chi tie't lip rap cua thiet bichO'ng set.

3- Do kiem tra su lien tuc ve dien cua day ndi dat thoat set th cac thiet bi chO'ngset tbi ta'm tie'p da't blng ddng h6 dm ke'. Sua chua, thay the' ngay nhung phln tu bihong holekem phlm chit nhucudn cam, tu loc, MOV, DIu connerter...

4- Kiem tra dieu kien mdi trudng lip dat cua thiet bi cho'ng set nhu: khoi, hoinude, bui bin, nhiet do, dd Im...Neu mOi trudng lip dat co dd Im qua cao tren 90%hoac nhiet dd tren 60 do C, co nhieu bui bin thi phai di chuyen sang vi tri khac datyeu cau. Khi di chuyen phai dam bao cac quy dinh ve phdng chO'ng set cho cac cOngtrinh vien thong cua nglnh.

Bieu 25 •. Kilm tra, bao duong he tho'ng thiet bi phong cho'ng set - tiep da't cho cdt anten theo nhung noi dung sau;

\

10/13

1- Kilm tra cac dien cue thu set xem co bi cong, venh, hoac nhung hir hong vemat ca khi can dirge chinh sua hoac gia c6 lai. Kiem tra he thong tru do cac kim thuset, ctf dinh chic chin vao than cot.

2- Kiem tra moi no'i dot cot, cac day, cap thoat set xem co bi tuoc, dut, lech lac.Ga lap lai chic chin cac chi tiet co dinh day din, lip bd xung neu bi mat, that lacdam bao cac chi tiet each nhau tu 1den 2 met..

3- Kilm tra sir lien tuc ve dien cua he thong tu kim thu set den he thdng tiep datbing ddng hd dm ke. Do dien tra tiep da't cua he thong tai nhung vi trfgiao nhau giiraphan ndi va phin chon ngam cua day thoat set.

Die'u 26: Kiem tra, bao during chong set-tie'p da't cho cac loai during day thong tinviln thong theo nhung ndi dung sau:

1- Kie'm tra dam bao tiep darchong set cho tung ddi day thud bao tu cac thiet bibao an 5 dilm, 3 diem den ta'm tiep da't chinh. Kilm tra dam bao co du cac day tiepda't de'n tung vo che chin ciia cap ngim, den timg phie'n da'u day(Phien ngang, phiendoc) ydu cau dung tiet dien day va dugc da'u nd'i chic chin tai nhung vi tri quy dinh.

2- Kilm tra chong set-ttep dat tai cac aha, tu, hop cap, tiep da't cua vo che chin,day giudng cua cap. Kidm tra tiep da't bao ve cap quang tai nhung thanh lidn ket canbing dien thldoc theo tuyln cap.

3- Kilm tra dam bao tiep dat dung, du cho cac during truyen PCM, cac gia diuday, hop DDF, ODF... Kilm tra tiep da't vo che chin cap ddng true, cap an ten phi da,kiem tra during day chring set ngim bao ve cap chdn.

CHUDNG IV

TO CHTJC THUC HIEN

Dieu 27: Ban Viln thdng co nhiem vu:

1- Huong din, kilmtra, tdng kit, danh gia viec thuc hidn Quy dinh.

2- PhO'i hop voi Ban Khoa hgc- Cong nghS, Hoc vien cdng nghe BCVT, cacBuu diln Tinh, Thanh pho, Don vi true thudc, cap nhat bd sung hoan thien Quy dinh.

Dieu 28: Cac Biru DidnTinh, Thanh pho va cac Cdng ty true thudc co nhiemvu:

1- Phi bien ndi dung va chi dao triln khai thuc hiln diy du, nghiem tuc " Quydinh khai thac bao during He thdng phong chring set -Tiep da't" den timg Dai, Tramvien thdng.

2- Dinh ky tap hcrp y kiln, kien ngk cua cac don vi ca so bao cao vl Tdngcring ty. (Ban vien thong).

Dieu 29: Don vi co so co nhi£m vu:

] 1/13

1- Thirc hien khai thac, bao duong, sua chua, duy tri cac chi tieu ky thuat cua Hethdng bao dam kha nang an toan phong chdng sec cho cac cram vien thong.

2- Theo doi, bao cao tilth trang so iuong va cha't iuong trang thiet bi; Di xuat ykien, kien nghi ve cong tac phong chdng set - tiep dat.

Dieu 30: Nhan vien true ca co nhiem vu:

1- Nam dugc vi tri lap dat cac TBCS, khu vuc bo tri cac td day dat tai noi mlnhquan Iy. Thuong xuyen giam sat neu co nguy co xam pham, anh hircmg xauddn h£ thong phong chdng set-tiep dat phai bao cao lanh dao.

2- Hoc tap, trau ddi ky thuat nghiep vu; Nam vung quy trinh, quy pham, tieuchuan ky thuat chdng set - tiep da't.

3- Thirc hi£n nghiem chinh "Quy dinh khai thac bao dudng he thong thiet biphong chdng set - tiep da't"

Dieu 31 : Cac don vi, ca nhan nao khong thirc hien, thiic hi£n khdng d£y du di xay rahau qua nghiem trong, tuy theo tinh cha't vi pham va muc d6 thifit hai se bi ky Iuathoac chiu trach nhi£m trudc phap Iuat.

CHUONG V

DIEUKHOANTHI HANH

Dieu 32: Quy dinh nay co hieu lire sau 15 ngay kitur ngay ban hanh, moi quy dinhtrudc day trai vdi quy dinh nay deu bi bai bo./.

KT. TONG GIAM D(5cTONG CONG TY BUU CHINH VlfiN THONG VN

PHO t6ng giamdoc

Tran Manh Hung

i;/i:

PHU LUC A

PHUONG PHAP DO DIENTRO TIEP DAT CUA HE THONG TIEP DAT/

A-E Yeu ciu cua thiet bi do

Kiem tra dien tra tie'p dat cua he thong tiep dat dugc thuc hien bang may do dientra tiep dat 3 dien cue hoac 4 dien cue.

A.2. Thiet lap thiet bi va quy trinh do

L E, ETho—c o o

EY/X

C

-d-ir

E noi den td tiep dat can do.P, C - Cac diem noiden cac di6n cue do thir

HinhA .1:Scr do do dien tra tiep dat.

- So d6 kiem tra dien tra tiep dat dugc trinh bay trong hinh A.l .- De dam bao ket qua do dien tra tiep da't chfnh xac can thiet phai b6 tri cac dien

cue do thir (cac dien cue dien ap va dien cue dong dien) ngoai vung anh huang

cua dien cue tiep da't va phai bao dam khoang each tir tiS'p da't cin do den diencue diOn ap bang 62 % khoang each tir tiep da't can do den dien cue dbng dien(Do'i vai truang hop bo tri cac dien cue do theo mot ducfng thing)

- Cach bb tri cac dien cue do thir cho truang hgp tiep da't la m6t dien cue thingdung dugc trinh bay tren hinh A.2 va cho tiep da't duai dang luai hoac nhieu dien

cue dugc trinh bay tren hinh A.3.

- So do do dien tra tiep da't trong mot s<5 trucmg hgp cu the dugc chi ra trong hinh

A.4; A.5; A.6.

i

Vung anh huortg cuadien cue tiep dat

II El E2 12O—O O O

P J Dien cue Cdien' ap

D2=0,62D1

D1 > 2,2£

Dien cuedona dien .

HinhA.2 :Bo tri do dien trd tiep dat cua dien cue tiep dat thano duno.

May do dien trcr tiep. II El E2I2

Duong cheo cua luai tiSp daiNk

Vung aah huortgcua Iudi tiep dat

C jDidn cltc

I dong dienP jUidn cue

i didn apD2=0,62Dl

D1 > 5D

HinhA .3 :Bo tri do dien tra tiep dat cua luai tiep dat hoaccua nhieu dien cue tiep dat

*->25 m

P15 m

C

40 m

30 m

E

30 m

c)

R

C

Hinh A A :Bo tri ede dien cue do thuP vd C de dotiep dat E Id 1coc co dp ddi I

a) t < 5m ;E, P v& C nSm tren duong thing

b) I< 5m ;P va C tao vai E 1 goc a = 29°

c) i> 5m ;P va C tao vdi E Igoc a =• 60°

PHULUC B

PHUONG phAp DO DIENjr6 MOI NOI/

Phep do chu nay nh&m xac dinh chat lugng moi noi dua tren dien tro mot chilucua moi noi.

B.l. Yeu clu cua thiet bi do:

1. D6ng ho van nang hoac om ke bon day co kha nang do den ImQ.2. Phai sir dung cac day do co kep lo xo dung da ket noi 'giua thiet bi do voi moinoi. Dien tro ting cong cua day do, gilc noi va dau do khong dugc Ion hem

B.2. Thiet lap thiet bi va quy trinh do1. Sir dung dong h6 van nang- Sir dung cac cac d£u kep lo xo vi day noi co dien tro nho, noi cac day do voithiet bi do. Kep cac dau kep vi hai phfa cua moi noi nhu trinh bay trong hinh B.1- Ghi lai gia tri dien tro dugc hiÿn thi tren dbng h6 do.

Hinh B.l.Phucrngphap do dien tromoi noibang dong ho van nang

2. Sir dung om ke bon day- Sir dung cac cac dau kep lo xo va day noi co dien tro nho, noi cac day do voithiet bi do.- Di6u chinh thiet bi do v& 0 va noi cac dau kep vol moi noi nhuchi ra trong hinhB.2. Bang each dat kap kep cue dong dien xa moi noi va cap kep cue dien ap ganmoi noi, anh hucmg dien tro tiep xuc dau do dugc giam nho. Tuy nhien, neu moinbi cin do nam trong luai kirn loai se t6n tai cac ducmg dan dong dien khac giuacac cue dong dian qua moi ndi dugc kiem tra, cac cue dong dign va ap nen dugcnoi gan nhau tai cung mot diem. Neu khong ket qua do se bi l6i. Khi co nhieudubng din song song cung tCn tai, quy trinh nay co the khong hidn thi chinh xac

ImQ.

Dong hovan nang

Md'i noi

I

dieu kiert thuc te' cua moi no'i cdn do, ma no se chi ra dien trd tdng gi.ua hai phtacua ch6 noi- Ghi lat gia tri dien tro diroc hie'n thi tren thtet bi do.

Om ke bon c.ay

Moi noi

Hinh B.2. Phucrngphdp do dien tra moi noi bang dm kebon day w

1

30 m

a)

b)

0 m

f>5m

\5 m

C

P C

Dan tiep dat E - Dai nlm ngang trong dat co do dai i

HinhA.5 :Bo tri cac dien cue do thicP va C de do tiep dat Ela day nam ngang trong dat co chieu dai :a) £< 5m; b) £> 5m

a)

b) D \y2D C

>T\ P C

L

3D

D - Duong cheo Ionnhat cua khungDan tiep dat E - gom cac coc duac noi vai nhau thanh khung kfn.

Hinh A.6 :Bo'tri ccic dien cue do thu P, C de do tiep dat thing dung

noi vai nhau thcinh khung kin.

J

PHULIJC CCAC MALI Bl£u, BAOCAO

1. Biÿu clo, kiem bao duang he thong phong chong set - tiep ciat2. Thong ke thiet bi chong set hien co tren mang vien thong Ma so: 06A- ND/VT3. Thong ke su co set tren mang vi6n thong Ma so: 06B - ND/VT

CONG HOA XA HOI CHU NGHIA VIET NAMDoc iÿp - Tirdo - Hanh phuc

Dcrn vi: , ngay .......t.hang .......nam 200

BIEU 00, KIEM BAO DUONGHE THo'nG PHONG CHONG SET - TIEP OAT

TT Noi dung do, kiem Ket luanGhi chu

Dat Khongdat

(i) (2) (3) (4) (5)

I- H$THONG TlfiP DAT

1 Cciu hinh dau nO'i he thong2 Dien tra tie'p da't vien thOng O Do tai MET3 Dien tro tiep dat cot an ten Q.4 Dien tra tiep da't chdng set cua nha tram Q5 Kiem tra tiep da't den mang CBN Do vai MET6 Kidm tra tiep da't den dai san bang dien the7 Kidm tra tiep d£t den cue duong ngudnmOt chieu8 Kidm tra tiep da't de'n gia dau day(MDF)9 Kiem tra tie'p dat den gia dlu day DDF10 Kidm tra tiep da't den gia dlu day ODF11 Kidm tra tiep da't de'n khung gia cua thie't bi chuydn

mach12 Kiemtra tiep da't de'n khung cua thie't bi truytin din13 Kiem tra tiep da't den khung cua may thu14 Kiem tra tiep da't den khung cua may phat15 Kiemtra tiep da't de'n lucri kirn loai16 Kiemtra tie'p d£t de'n tu phan ph6'i dien17 Kiemtra tiep da't den may phat dien18 Kiem tra tiep da't de'n he thong may nindien Tie'p dat phan

xoay chidu19 Kidm tra tie'p da't de'n 6n ap20 Kidm tra tie'p da't den UPS, INVERTER21 Kiem tra tie'p da't de'n cac vo tu, hop kim loai, vo cac

thie't bi dien, clu cap...22 Tinh trang, cha't lugng cac tarn tie'p da't23 Kiem tra tie'p da't de'n cac thanh phan kim loai khong

thuoc mach dien trong tram24 Kiem tra lien ket ding the giua cac td day dat

25 Kiem tra tiep da't den cac thanh phan kim loai tronglong da't

TONG CONG TYBUU CHfNH VIEN THONG

VIET NAM

1

I

- 26 Tinh trang, mat bang chOn lap he thOng day da't27 Kiim tra xac suat mach dan da't, coc tiep da't

II- HfiTHONG CHONG SET BAO VE COT AN TEN1 Do cao cua cot t

2 Bien phap phong chong3 So lucrng dien cue4 So luang day thoat set

5 Tie't dien day thoat set6 Ki6m tra vung bao ve cua he tho'ng cho cot va cac

thiet bi Hp tren cOtÿ7 KiOm tra mo'i noi do't cot

8 Kiem tra tiep dat cua cac thiet bi lap tren cot

9 Ki6m tra su lien tuc ve dien tOr cac kim thu set den hetho'ng tiep da't ÿ

10 Kiem tra quy each Hp dat mach din da't11 Thiet bi bao ve set cho dudng dien den. chie'u sang -12 Khoang each giua dudng day dien luc va vien thong13 DO vung chic cua dien cue thu set dinh cot va cac

dien cue kMc14 Thuc hien cac quy dinh doi vdi chan cOt

15 Chi so d6ng h6 de'm set

16 Hang rao bao ve ch&n c6t

m- thi£t bich6ngset lantruy£ntr£ndxj& SG ACi Ten thiet bi cit set

Chi thi nang luc %2 T6n thiet bi cit loc set

Chi thi nang luc %3 DHu kien mOi trudng lipdat thiet bi chong set

4 KHm tra tiep da't thoat set cua cac thie't bi chong set

5 Quy each di day thoat set cua cac thiet bi chO'ng set

6 Chit luqng cac phin ttr ban trong TBCS7 KHm tra cac dHm da'u noi trong thiet bi chC'ng set

8 Quy each Hp dat cac dudng dien AC9 Tiep dat cua dky trung tinh ha the

10 Chi $6 ddng h6 dem set

IV - CH6nG SET BAO VE PHAN CONG TRINH KIENTRUC

1 Bien phap phong chong2 S6 luong dian cueo... j So luong day thoat set

4 Tiet dien day thoat set

5 Kiem tra vung bao ve cua he thong cho nha tram vacac thiet bi lip tren mai nh&

6 DO vung chic cua cac di£n cue thu set tren mai nha

I

1 Ki£m tra noi da't cua ludi chdng set, mai ton, vi keo.

3 Kidm tra su lien tuc vt dien tu cac kirn thu set den hethong tiep da't

9 Ki6m tra quy each lap dat mach din da't

V - CH<5nG SET BAO VE DUONG DAY THUE BAO1 T6ng so doi cap thue bao hien co2 So' IucmgTBCS da trang bi

Chung loaij Tiep da't tirTBCS den phien ngang, doc, MET4 Tiep dft tir cac vo kirn loai cua cap den MET5 Quy each tiep da't, tiet dien day6 Tiep da't cac tu, hAp cap thuoc dai, tram Ngoai mang7 So' Itrong cac TBCS lap tai cac diem giao nhati giua

phan ndi va phin chdn ngam Y..Ngoai mang

Chung loai8 Tiep da't cua dudng day bao v6 cap chon9 Tiep da't day giiremg cua cap

VI - CHONG SET BAO V£ CAC LOAI DUCJNG DAY THONG TIN KHAC1 Tong s6 cap dong true cin trang bi cho'ng set

So IucmgTBCS da trang biChung loaiTidp da't tir TBCS den METQuy each tiep ddt, tiet dien day

2 Tong so cac dudng truy6n so liSu (data lines)hien coSo IucmgTBCS da trang biChung loaiTiep ddt tirTBCS den METQuy each tiep ddt, tidt dien day

3 So IucmgTBCS trang bi cho dudng feederChung loaiQuy each tiep da't, tiet dien daykidm tra dien trcr tiep da't cua TBCS

3

Noi dung cong viec bao duong da thirc hien: (Ngoai nhimg noi dung do kie'm a tren, ghi ro

nhung noi dung da lam trong qua trinh bao dudng)

I- He thong tiep dat

II- He thong chong set danh true tiep bao ve cot an ten

IE- Thie't bi chong set lan truydn trdn ducmg didn AC

IV - Chong set bao ve ph£n cong trinh kien true

V - ChO'ng set bao ve ducmg d&y thud bao

VI - Chong set bao ve cac loai duong day th6ng tin khac

Ton tai, kien nghi:

Ket luan

Nhung ngucri thuc hidn:

; Chuc vu:

; Chuc vu:

; Chuc vu:

Xac nh&n cua dem vi chu quan

Don vi: ;Chuky:.

Don vi: ; Chu ky:.

Don vi; ; Chu ky:.

>1

Hic&nz dan each g/zt":

Mac (.1:G/u ro cdu kink hi thong S-IBN, MdBN

Mac !2, 1.3,1.4: Ghi gid tri do dupe.

Tic muc 1.5, 1.6 den 1.25: Vi ede gid tri do dnac rat nho nen chi lick (x) vao cd( dot kodckhong dat. Tuong tie vpi cac muc con lai.

Muc nao ten den, tram khong co hope khong lap dat thi ghi vao cot ght chii, muc nao thieuthi bo sung.

yfj

VONGCONGTYBUU CIIINII Vl£N THONG

VIET NAM

UUUDICNTl'NI!MS SO': 06B • ND/VT

cOng hoa xa hOi CMU NGHlA VlfiT NAMDOc lap - tu do - hanh phuc.......ngay lhang nam 200...

tiiO'ng KfcsyoSsfcTTRfcN mang viftN thOng

Nui nhan; Dan Vien ThongSIT Ngay

ThangNAm

TENTRAM

vi£n thong

LOAI THIET J3l CHdNG SET TONG HOP THIET UAlMang

lia ihfe' ACCO caoAn len

Ducrng dAytrung kd'

Ducmg dAyFeeder

Mang thudbao

Mang truydns6* lidu

TdugT/gianphut

C£c T/bitram (D6ng)

T. Di chdngset (D6ng)

j

\•

— '

Ngirci lap b\6\\

giAm docbud diOntInh

'N.

IUNu lONQ TY11UJ CHINJI vign TllONG

VlGT NAMnuU D1GN riNll .

Ma so; 06a- nd/vt

Phdu I:Trang Ihie'l hi hien lai

CONG 11OA XA HOI CHU NGIUA VICT NAMDoc lap - Tir do - ilauh phuc.......ngay ihang nam 200...

THONG ICfcTIUffr DI CH6nG s£T IIICN COTREN MANG VlfcN TllONGNoi uhdn: Ban Vie/i Thong

sTT

TRAMVIEN

TllONG

f>6i tltong can ph6ng set Gill CHUMang ha the' AC CO' cao amena Day Irving kd' Ddy Pecder Mang thud bao Mang Iruydn sd lieu

Kift'u,Model S.Lugng Kiÿu,Model S.Lugng Kidu,Model S.Luang Kidu,Model S.Lugng Kidu,Model S.Lugng Kidu,Model S.Lugng--Ngirai Idp bi<!u

CIAM DOCDUU DIEN T/NII