Cam nang huong dan xay lap bao duong tram BTS_ver6.pdf

7/26/2019 Cam nang huong dan xay lap bao duong tram BTS_ver6.pdf

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II.1. Nhn nhim v............................................................................................................................ 25II.2. Nhn v bn giao vt t.............................................................................................................. 25II.3. T chc thi cng: ....................................................................................................................... 26II.4. o cht lng h thng anten, feeder trmBTS: ....................................................................... 26II.5. Hng dn ghi nht k thi cng: ................................................................................................ 27II.6. Quy trnh hon cng lp t thit b:.......................................................................................... 27

HNG DNLP T THIT B TRM BTS V VI-BA

I. LP T TRONG NHa. Lp t th ang cp:

TT NI DUNG YU CU LP TCC LI

THNG GP

1 Chiu cao lp t- Mt thang cp cch mp di ca l cpnhp trm 5-10cm, ( 2m) v m bo thng bng

- Chiu cao khng dnti khng lp c mt st DC

2 Lp t thang cp- Lp thang cp (di 6m), c bit l nhxy mi v ci to- Lng ch U (ca thang cp) pha ca vo

- Lp sai chiu thang cp

3 Vt t ng b- Lp ph kin km theo thang cp, gm:thang cp, co gc, thanh ni, bt u thangcp, con sn.

- Lp thiu ph kin, lnglo ...

4Tip t cho thangcp

- S dng lin kt u ct, bulng +cu chody tip t thang cp (M35)

- Khng ni tip t

b . Lp t u ni t ngun tch hp AC:Lu m bo an ton in:+Ngt cu dao in chnh trong sut qu trnh lp t, ch bt cu dao ng in sau khi hon tt qutrnh lp t v kim tra tnh thit b.+ Ni t cho v thit b ngay khi bt u lp t.+ Dng c lp t, dy ni tha .v.v. phi gn gng, ngn np ... trnh chm, chp.


THNG GP

1Xc nh v tr lp tthit b

- St ca ra vo, bn phi. Cch vi vch(nh container): 50mm

- Lp sai v tr, sai khongcch ... khng hongcch d phng cho tng

lai2

Lp t c nh tin tch hp V2 (chothit k 2008)

- C nh t V2 xung sn bng 04 bu-lng,t sau khi lp phi thng hng v khngnghing, lch

- Thiu bu-lng c nh, tlp khng ngay ngn

3Lp track 23 vc nh t in V5vo rack

- Rack 23 c c nh cht xung sn bng04 bu-lng, t V5 lp vo rack bng ph kinkm theo, yu cu lp v xit cht bu-lng.


4u ni dy in vo

- Dng ng tit din dy (vo v ra)- u ni ng mu dy (dy pha, dy trung

- Sai tit din dy, mu dquy c. Ni dy sai quy


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TT NI DUNG YU CU LP T C C L Iv ra trong t in ho...) theo qui nh

- Bp u ct bng km chuyn dngcch hoc bc cch inkhng tt

5Cc thng s trong tin tch hp V2

- Thi gian tr ca r-le: 30- Ci t gi tr in p vo cc i: 260VAC

6 u ni tip t, thotst ti bng ng cat in

- Cc u -cu c sit cht. Lu cn c m vnh khi bt nu dng bu-lng + -cung.- Bng ng ni t (v u ct tip xc)phi c lm sch trc khi ni cp.

- u -cu khng c vcht

c . Lp t u ni t ngun DC v c quy:Lu khng lm on mch accu, ngt cu ch chnh khi u ni t accu vo b ngun !


THNG GP

1Xc nh v tr lp tthit b

- St ca ra vo, bn tri. Cch vi vch (nhcontainer) 50mm

- Lp sai v tr, sai khongcch ... khng hongcch d phng cho tnglai

2 Lp t c nh tngun DC

- C nh t DC xung sn bng 04 bu-lngkm theo, t sau khi lp phi thng hng vkhng nghing, lch


3u ni dy in vov ra trong t ngunDC

- u ni ng tit din dy, mu dy (dypha v trung ho vi AC input, dy dng,m ca DC output) ... theo qui nh.- Bp u ct bng km chuyn dng.

- Sai tit din dy, mu dquy c. Ni dy sai quycch hoc bc cch inkhng tt

4u ni cc bo cnhcho t ngun DC

- Tu theo loi t ngun DC, u ni cnhbo theo hng dn lp t

- Khng u ni cnh bo

5 u ni c-quy vorack

- a cc bnh c-quy vo ng v tr lp t.- Sit cht cc thanh ni v dy ngun c-quy

- Tip xc ca cu ni km

6u ni cm binnhit

-Ni cm bin nhit vi b iu khin cangun- Lm sch b mt c-quy, dn cm binnhit v c nh n

- Khng u ni cnh bohoc khng gn cnh bovo thnh accu

7u ni tip t chothit b

- Dng dy M35, lin kt bng kp ch C

8Ci t thng s cat ngun DC (thamkho vi b ngun

- Ci t loi c-quy : nhp gi tr dunglng c-quy s dng thc t- Ci t ct p thp cho ti: t gi tr LLVD

B sung vi trm l p thi t b 3G:

- Vi trm BTS 2G c sn s dng t V2 v V5 s dng ht s attomats (02) cp cho tngun; Viettel Telecom (hin l VTn) cp thm 01 attomats 32Amp b sung u ningun cho t DC ca thit b 3G.

(Cng vn: s 699/PKT; ngy 29/8/2009)


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TT NI DUNG YU CU LP T C C L I

5Lp t cc phkin bo v

- Lp cc tm chn gi- Cc u bc nha mm cho cc cng khngdng

6u ni v i cpngun

- Cp tn hiu v cp ngun c c nh vogi cp ngang, dc trong t my- Dn nhn theo quy nh

- Cp tn hiu v cp ngub chung- Khng dn nhn

7 u ni lung v cnhbo trn t

- Theo thit k

8Kim tra chc chnca connector jumpervo t my

- Jumper c gn thng, vi lc va phi(~30N)

- Xit qu cht hoc qulng

9u ni tip t cat

- Bng dy M35, lin kt bng kp ch C- Sai tit din dy tip t(v d dng M10 ...)

10 V sinh thit b- Lp np t my- V sinh v snli cc ch b xc (nu c)

- Khng v sinh thit b salp t

e. Lp t u ni Rack19


THNG GP

1Xc nh v tr lp track

- t st tm vch pha sau v nm pha bnphi phng my.

- Lp sai v tr, sai khongcch ... khng hongcch d phng cho tnglai

2 Lp t c nh rack- C nh rack xung sn bng 04 bu-lngkm theo

- Thiu bu-lng c nh

3 Lp t cc gi phinu dy, b phn phingun DC trn rack

- m bo khong cch, thng hng (virack, ly chun l chn 600x600)

- G c nh thit b vo rack bng vt kmtheo (mi rack c 20 b vt km theo, nucp thiu, yu cu phn nh v PKH v PKTcng ty)

- Rack lp khng ngay

ngn, lch so vi cc tkhc trong phng my

4u ni tip t carack v ca cc thitb trn rack

- Bng dy M35, lin kt bng kp ch C- Lu tip t cho v cpng trc ca vi-ba

B sung vi trm lp thit b 3G:

- Thit b 3G tp trung c lp vo v tr i din vi v tr ca thit b BTS 2G. - Trng hp c thit b c t v tr dnh cho thit b 3G th thc hin di di thit b sang pha bn kia ly khng gian. - Vi thit b phn tn ca ZTE (BBU v LPU), lp t ti rack ngun DC ca ZTE. - Vi thit b phn tn ca Huawei (BBU v DF Box 2), lp t ti rack 19, BBU u tin lp khong gia, DF Box 2 lp khong 1/3 pha di rack 19.

(Hng dn PKT+ VTT ngy 27/8/2009)


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f . Lp t connector v jumper trong nh


THNG GP

1Lp t connector,van thot st, jumper

- Lp t connector ng k thut- m bo chc chn ca cc lin kt- m bo cht lng (gi tr VSWR) theothit k

- Connector lp sai, tipxc xu

2Dn nhn jumper,feeder

- Dn nhn phn bit theo sectorng quycch.

- Sai cell(c bit nghimtrng ro nh hng ti chlung pht sng ca trm)

3 Clamp kp trong nh - C nh feeder vo thang cp

4 u tip t

- Lin kt van thot st ti bng ng 1 inchtheo chiu thot st- Lin kt bng ng 1 inch ti dy M50bng dy M35 bng kp ch C

- Tip xc xu

5Bn knh cong ca

jumper

- Jumper1/2, R 120mm

-Jumper1/4, R 60mm

g . Lp tu ni cp ngun, cp tn hiu v h thng tip t:


THNG GP

1i cp ngun v cptn hiu

- Cp ngun AC, DC, cp tn hiu v cp nit phi i tch ring- Cp c buc gn gng, cng, thng trnthang cp, lt nha c ct st, khng liu nhn- Cp tn hiu phi c tip mt ti phin

u dy v dn nhn lung

- Cp khc loi khng tch ring- C nh cp cu th,chng cho khi i xungcc t.- Khng tip t cho v c

tn hiu

2H thng bng ngtrong phng my(thit k c)

- 1 bng ng 1 inch (km thit b)- 1 bng ng 400x30x5, vi trm s dng tin V5 c thm 1 bng ng 150x30x5(thitk c)

- Tip xc xu- Bng ng gn sai quycch

3H thng cp tip tcho t rack

- S dng cp ng M50 v M35, u nibng kp ng ch C (thit k mi t15/10/2008)

- Sai tit din dy, dy tipt qun nhiu vng hocb vung gc bng km.v.v.

h . Lp t n, iu ha, bnh cu ha v tiu lnh cha chy:

TT NI DUNG YU CU LP T CC LITHNG GP

1V tr cc lnh iuha

- i din vica phng my v cao ngangl cp nhp trm.- m bo nc ngng t c th thot rangoi

2Ch hot ng caiu ha

- t nhit lm mt ca iu ho 27oC- t cc ch lm lnh, t ng khi ngsau mt in.

- Khng ci t ch ciu ho.- Khng kim tra kn


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TT NI DUNG YU CU LP T C C L I- Khng dng lt nha ngoi tri thay choclamp trnh lo ho; Nu l vt t cpkm, khi ct cc ltbuc ngoi tri phi tha li t 3 n 5mm

5 Dn nhn feeder

- Dn nhn y ti cc v tr: trn ct,trc khi vo phng my v trong phng

my.- Dn nhn cho feeder trc khi ko lnct, khng lp nhm cell

- Sai cell(c bit nghim

trng ro nh hng ti chtlung pht sng ca trm)

6Lp b tip t cho vfeeder

- Ti thiu ti 2 v tr: trn ct gn antenna,trn v tr un cong gn thang cp ngoitri

7

Chng ngm nccho connector v tipt v feeder (ngoitri)

- Cun cao su non trong cng sau cun2 lp bng dnh bc bn ngoi- Cun bng dnh kiu lp ngi t di lntrn

- Connectorb ngm nc,tip xc xu...

8 Un feeder- m bo bn knh cong ca feeder:feeder 125mm; feeder 7/8 250mm.

9Chng nc vo trmtheo feeder

- m bo feeder un cong trc khi ivo tm bt l cp nhp trm ngn ncvo theo feeder

- ng nc trong feederkhin gi tr VSWR cao

10Dy thot st cho tipt v feeder

- Cp ng bc M35; ni vi thot stbng lin kt bu-lng, -cu (M13) bngthp trng- i khc mt ct lp feeder

-Ni ngc thot st vfeeder, tip xc xu .v.v.


10/28

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d . Lp t n bo khng:


THNG GP

1 Lp t n bokhng

- C nh bng n trn nh ct phi chcchn.

- Cc u dy ni nguncch in km

2i dy in cpngun cho n bokhng

- Dy in cp ngun cho n bo cao khngc i chung cp in v cp tn hiu trongphng my- i khc mt ct lp feeder, m bo khongcch ca n vi feeder cng xa cng tt. - Bc cch in, khng qun vng dy thaquanh cc chi tit ca ct antenna

- Dy ngun n bo khni qua l dnh cho feeder,cp ng trc hoc cpquang ca tm bt l nhptrm hoc b chung vi dtn hiu.

e. u ni thot st cho phng my:TT NI DUNG YU CU LP T

CC LITHNG GP

1 Dy thot st chnh

- Gm 02 dy ng trn C50 hn ho nhitvi t t- Cc mi lin kt bng kp ng ch C phic thi cng bng km thu lc, nu ngoitri phi bi m bo qun- i trong ng km bo v (vi nh lp ghp)hoc lun theo ng nha t sn vo nh xy

- Lin kt vi t t bngkp ch C.- Dng ba hoc vt nngp bp kp ch C.- Mt ng km hoc khngc ng nha bc ngoi d b ct trm


-ivi cc trm 3G do antenna s dng loi c th iu chnh tilt in nn trong qu trnhlp t thng nht t tilt c kh l 0Ov iu chnh tilt in t c gi tr ca Call ofform

(Cng vn s 717/PKT ngy 07/9/2009)

- Trng hp antenna 3G c lp ngay st nh ct v pha di l cc antenna 2G: + Lp b g antenna 3G b sung lp antenna 3G vo thn ct. + Lp cc khi RRU, OLP (thit b ZTE) trc tip vo ng thn ct v tr ngang vi v

tr gia ca antenna 3G.- Trong trng hp RRU c s dng feeder (p dng i vi cc trng hp RRU lp cchxa y antenna v s dng feeder kt ni RRU vi antenna):

+ Lp b g RRU c nh khi RRU v OLP vo thn ct. + Lp cc khi RRU, OLP (thit b ZTE) trc tip vo b g RRU b sung.


- S dng g antenna, g RRU:+ Ct 300x300; ct 400x400; ct t ng Hapulico, ct t ng 6m, ct cc: g RRU

lp di chn ct (vi ct 6m v ct cc, lp RRU di sn). + Ct 600x600: Lp trc tip g antenna, g RRU vo ct; RRU lp di antenna+ Ct thp: g RRU lp trn ct

(Guideline GL.00.KT.17/INF; thng 8/2009)


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TT NI DUNG YU CU LP T C C L I

2Dy thot st chophng my

- Dy thot st M50 cho phng my clin kt vi dy C50 bng bu-lng, -cu(M13)- Cc thit b c ni vi dy thot stphng my (M50) bng dy M35, lin ktbng kp ch C

- Kp ch C dng km thu lc.

- Sai tit din dy, dy tipt qun nhiu vng hocb vung gc bng km .v.- Dng ba hoc vt nngp bp kp ch C


-i vi cc trm 3G do antenna s dng loi c th iu chnh tilt in nn trong qu trnhlp t thng nht ttilt c kh l 0Ov iu chnh tilt in t c gi tr ca Call ofform

(Cng vn s 717/PKT ngy 07/9/2009)

- Trng hp antenna 3G c lp ngay st nh ct v pha di l cc antenna 2G:

+ Lp b g antenna 3G b sung lp antenna 3G vo thn ct. + Lp cc khi RRU, OLP (thit b ZTE) trc tip vo ng thn ct v tr ngang vi v

tr gia ca antenna 3G.- Trong trng hp RRU c s dng feeder (p dng i vi cc trng hp RRU lp cchxa y antenna v s dng feeder kt ni RRU vi antenna):

+ Lp b g RRU c nh khi RRU v OLP vo thn ct. + Lp cc khi RRU, OLP (thit b ZTE) trc tip vo b g RRU b sung.



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HNG DN BO DNG THIT B, NH TRM BTSCT ANTENNA DY CO

I. BO DNG V NH TRM

I.1. Bo dng nh xy, nh ci to:

TT NI DUNG YU CU THI CNG CC LITHNG GP

1Kim tra cc ca ravo, ca s

- Xc nh nhng v tr b h v s dng keosilicon bt kn

2Tra du bi trn vobn l, then ca, kha

- V sinh nhng ch b r st bng bn chisau sn 2 lp bo v chng r

- V sinh km, sn thinc...

3Kim tra tm bt l cpnhp trm

- Lp li nu tm bt b lp sai, vnh...; btkn ch b h bng keo silicon

Khng trt li chovunvn l c lm mt mquan v khng kn kht

4Kim tra tng, trnnh, nn nh

- Nu b rn nt, nghing ln, thm mc...a vo k hoch sa cha t xut

5 Ghi vo s bo dng.

I.2. Bo dng nh lp ghp:

TT NI DUNG YU CU THI CNGCC LI

THNG GP

1Kim tra cc ca ravo, giong bt

- Xc nh v s dng keo silicon bt knnhng v tr b h, dn liging b bong

2Tra d u bi trn vobn l, then ca, kha

- V sinh nhng ch b r st b ng bn chisau sn2 lp bo v chng r

- V sinh km, sn thinc...

3Kim tra tm bt l cp

nhp trm

- Lp li nu tm bt b lp sai, vnh...; bt

kn ch b h bng keo silicon

- Cha gn lng kesilicol chng h,ngm nc

4Kim tra vch, trn nhtrm

- Nu b h, ngm nc th bt kn bng keosilicon

5- Kim tra ton b nhtrm

- V sinh nhng ch b r st bng bn chi,sn chng g,sau sn 2 lp sn khnghp th nhit KP01

- Khng sn chng gtrc khi sn KP01

6 Ghi vo s bo dng.

II. Bo dng phng my


THNG GP

1V sinh trong phngmy

- Lau sch bi trn cc vch nh trm, trnnc v v t thit b, trongphng my. Kthp s dnggi mm vmy ht bi trnh pht tn bi bn.

- Khng s dng myht bi v sinh phnmy.

2V sinh tng ngoi vtrn trn pha ngoiphng my

- Qut sch bi bn, mng nhn trn tngpha ngoi phng my-Dn sch rc, l cy trn trn nh trmtrnh ng nc v nm mc

3 V sinh khu vc xung - Dn dp,pht quang xung quanh nh trm - Khng pht quang,


13/28

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TT NI DUNG YU CU THI CNG CC LIquanh phng my v li i vo trm

- Qut dn rc xung quanh nh trm- Cng c li ng vo nh trm v khuvc xung quanh nh trm

qut dn xung quanhphng my

4 Ghi vo sbo dng

III. Bo dng h thng iu ha, qut thng giIII.1 Bo dng iu ha


THNG GP

1o, nh gi hotng ca h thng

- o kim tra in p v dng in cp choiu ho, kim tra nhit trong phng .v.v

2 Bo dng dn lnh

- Ct in cp cho iu ho- Tho v ngoi ca dn lnh, tho li chnbi v kh mi- G lp mng ng nc di dn lnh, ra

li chn bng my bm p lc- Ra, lau sch cc b phn: li chn bi,thit b sy, cnh qut, m t in- Tra du bi trn vo cc bc- Lp li cc chi tit ca dn lnh

- Ch dng chi lng,khng dng bm p lc

v sinh bi bm vodn lnh, li chn biv kh mi...

Bo dng dn nng

- Tho v ngoi vche knphn mch inca gin nng- Dng sng phun nc lm sch bi bntrong gin nng- Lau sch cc b phn bn trong: cnh qut,m t in, bnh p sut

- Kim tra van, rc co, qun li bo n nhit.Nong, lpli ng dn gas nu hng, kim trali h thng trc khi cp in

- Ch dng chi lng,khng dng bm p lc v sinh bi bm vodn lnh, li chn bi

v kh mi...

Kim tra li ch hot ng ca iuho

- Cp inv ch iu ho chy trong 10pht- o p lc gas v dng in ti ca iuho(I= 6A; Pgas= 80Psi)- Kim tra, tch t khi ng, t nhit lm mt 27OC ...

- H gas- Khng tch tkhi ng, t sai nhi lm mt...

Ghi vo s bo dng

III.2 Bo dng h thng qut thng gi:Ngt in h thng trc khi bo dng, kim tra ngun cp khi lp li trnh chm, chp !


THNG GP

1 V sinh hp lc

- Tho hp lc bi ra khi t lc- Dng my nn kh v sinh hp lc- Dng my ht bi v sinh t lc, lp li hplc bi vo v tr c

2 V sinh h thng qut - Tho h thng qut ht, qut y


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TT NI DUNG YU CU THI CNG CC LI- V sinh sch bi bng gi mm

- Tra du bi trn vo cc trc

- Lp qut vo v tr c

3Kim tra b iukhin

- Kim tra, t li cc tham s iu khinchun theo hng dn

4 Ghi vo s bo dng

VI. Bo dng h thng ngun ACVI.1. Cc bc thc hinLu an ton in! Ngt in ngun AC trc khi thc hin cc thao tc bn trong t in


THNG GP

1Kimtra ng int cng-t vo phngmy

- Kim tra v khc phc cc mi ni,- Kim tra tnh ton vn ca v cp;cc bno dy dc tuyn cp

- Kim tra, khc phc vng ca tuyn cp2

V sinh t in tchhp

- Lm sch mt ngoi t in- Lm bn trong ca t, vi nhng v trhpth cun gi lau vo a g lau.

3Kim tra v sit chtcc kt ni, lin kttrong t in

- Kim tra tt c cc mi lin kt- Dng t vt hoc m lt xit cht liccmi ni b lng

4Kim tra cht lngkhi ng t

-Ngt in AC ca trm- Kim tra tnh trng c kh- o in tr tip xc ca tip im, nuRt>1 th cn thay khi ng t

5Kim tra, hiu chnhhot ng ca khi ctp cao (t V2)

- Kim tra, hiu chnh li cc tham s ci tca thit b theo quy nh- n phm test kim tra phn ng ct inp cao ca h thng- n nt reset thit lp li trng thi c cathit b

6 Ghi vo s bo dng

IV.2. o kim tra cc thng s in ca trmI V.2.1.Kim tra ngunin ACuvo

TT NI DUNG YU CU THI CNG

CC LI

THNG GP

1Kim tra in p ACu vo

- Dng ng h vn nng, t ch oin p AC- o in p AC ti 2 cc pha trn caattomat C63 kp trong t in tch hp- Ghi li gi tr in p o c

2Kim tra dng inAC u vo

- S dng ng h o dng kiu kp, t ch o dng in AC- o dng in AC qua dy pha (ni t cng

- Khng o, hoc o sa(dng km kp qua c 2dy dnin)t ba


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TT NI DUNG YU CU THI CNG CC LIt n tngun AC)- Ghi li gi tr dng in o c

tham s o.

3 X l d liu

-Nu gi tr in p qu thp (thng xuyn


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TT NI DUNG YU CU THI CNG CC LIcard vo subrack nh c- Kim tra cc n bo ch th, m bo ccn bo hot ng bnh thng

5Lm sch v sit chtcc kt ni lin kt ti,

c quy trong subrack

- Kimtra cc mi lin kt,bt u t linkt ca c quy ri ti tng lin kt ca ti- Dng chi lng lm sch lin kt

- i vi cc lin kt khng tt, dng t vthoc cl xit cht

6 Ghi vo s bo dng

Ch :

- Khi lm sch module gimst, iu khin, module nn... i hi phi rt card ra khi subrack, dn

n mt iu khin trong sut thi gian rt card, do nht thit phi c card d phng vi tnh nng

k thut tng t thay thkhi thao tc.

- Kim tra, lm sch cc kt ni i hi phi lm vic vi tng mi ni lin kt, vic ny c th gy

gin on ngun cung cp v gy chp chy trong t ngun, do phi c thc hin bi ngi cchuyn mn, cc dng c phi c cch in tt.

V.2. o kim tra cc gi tr in p, dng in DC:


THNG GP

1o kim gi tr inp DC

- S dng ng h vn nng, t ch oin p DC- o in p DC ti u ra ca cc card nntrn subrack- Thc hin o in p DC cp cho ti trn

subrack- Ghi li gi tr o c

2Kim tra dng inDC cho tng ti

- S dng ng h o dng kiu kp, t ch o dng DC, hiu chnh im 0- o dng in u ra DC cp cho tng titrn subrack- Ghi li gi tr dng in o c ca tngti

- Khng o, hoc o sa(dng km kp qua c 2dy dn in)t ba tham s o.

3Kim tra dng inDC tng

- Ct in AC- o dng in u ra DC tng ti si dy (+)ca dy ngun DC u t cc dng ca t

cquy ln subrack- ng li ngun in AC

- Khng o, hoc o sa(dng km kp qua c 2dy dn in)t ba

tham s o.

4 X l d liu

- So snh gi tr dng in t ng v dng indanh nh ca h thng.-Nu gi tr dng in tng 80% gi trdng danh nh ca h thng phi bo cocho CN Tnhb sung cng sut cho hthng

5 Ghi vo s bo dng


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VI. Bo dng Accu:VI.1. i tng thc hin:- i tng thc hin bo dng h thng accu phi do nhn vin k thut chuyn trch v accu v

ngun in thc hin nhm m boan ton v ngi v thit b.

VI.2.Ni dung :VI.2.1.Bo dng nh k theo thng:

TT NI DUNG YU CU THI CNG CC LITHNG GP

1Kim tra cc dy dn,mi ni

-Lm sch, xit cht v bc cch in ccmi ni

2 Lm sch- Dng chi lng, gisch, ht bi lm vsinh v bnh, dy dn, u ni, khung gi

3Kim tra nhit ccdy dn, mi ni

- Kim tra trc quan, Nu c biu hinnng, pht nhit phi tm nguyn nhn vkhc phc

Cc thanh ni xit cha lc gy tip xckhng tt

4Kim tra khung gihoc ca-bin cha accu

- Kim tra trc quan an ton ca khunggi hoc ca-bin cha accu. Xit cht cc bu-lng lin kt nu cn thit, cnh bo cho CNTnh nu khung c biu hin qu ti

5 Mi trng phng my- Phng sch s, thong mt, khng c nhnng trc tip chiu vo. Nhit trongphng duy tr t 230C270C

6 Ghi vo s bo dngCm ht thuc v khng c mang cc vt c th pht sinh tia la vo bung t accu

VI.2.2.Bo dng nh k qu:


THNG GP

1 V sinh, m bo cctip xc tt

- Thc hin cc cng vic ging bo dngthng nu lch bo dng qu v thngkhng trng nhau

2 o tham s ni tr caaccu

- Dng my o accu o gi tr ni tr catng bnh accu v so snh vi tiu chunca nh sn xut-Nu gi tr ni tr ca bnh accuo csai khc vt qu 40% so vi gi tr tiuchun th cn thay th

3o kim cc tham s

in khc

- Dng my o accu o tr s in p npm, np san bng ... ca t accu

- Bo co vi CN Tnh nu cc tham s oc vt qu cc tiu chun cho php

4 Ghi vo s bo dng- Ghi cc gi tr o trc v sau iu chnh- Ghi cc cng vic thc hin

VI.2.3.Bo dng nh k nm:

TTNI DUNG YU CU THI CNG

CC LITHNG GP

1 V sinh, m bo cc - Thc hin cc cng vic ging bo dng


18/28

1

NI DUNG YU CU THI CNG CC LItip xc tt thng nu lch bo dng nmv thng

khng trng nhau

2Kim tra tham s cab nn

- Kim tra, ci t li tham s ca t DC- Khng ci t, citsai dung lng accu ...

3Thc hin chu trnhphng, x bodng accu

-Ngt aptomat ca t accu, ni ti gi v chophng in n 70% dung lng accu (Iphng= Iti)- o v ghi li in p trn tng bnh (Ub) vin p c taccu trong khi phng; ngthi ghi li nhit phng v thi gian ovo mu BM.02/HD.00.KT.04- ng attomats, cp in cho t ngun DC np y accu theo ch np san bng- Dng my o accu o gi tr ni tr catng bnh accu v so snh vi tiu chun canh sn xut-Nu gi tr ni tr ca bnh accuo c

sai khc vt qu 40% so vi gi tr tiuchun th cn thay th- Dn tem bo dng trn tng bnh

4 Ghi vo s bo dng- Ghi theo muBM.01/HD.00.KT.04- Kt qu o accu khi phng, np ghi theoBM.02/HD.00.KT.04

Ch :

- Vi mi loi accu c cc thng s trong vung khc nhau, th tham kho phn thng s k thu

ca accu trong mc 4: Thng s k thut ca mt s loi accu hin c trn mng Viettel bit gi

tr chi tit.VI.2.4. Thng s k thut ca cc loi accu hin c trn mng Viettel:

STT Hng sn xut Loi/K hiu

Dung

lng

(Ah)

in

p

danh

nh

(V)

Ni

tr

(m)

(25C,

np

y)

in

p np

tng

cng

(V/C)

in p

np ni

(V/C)

Dng np

H s b

nhit

(mV/

1 Emerson EB6 100 12 5.26 2.40 2.27 0.1->0.25C102 Emerson EB4 120 12 5.94 2.40 2.27 0.1->0.25C103 Telion T12v100/a 100 12 2.35 2.23 0.1->0.25C10 34 NorthStar nbs110ft 100 12 2.45 2.27 0.1->0.25C10 45 Vision ct12-100x 100 12 6.30 2.30 2.27 0.1->0.25C106 GS snsx-500 100 12 2.50 2.30 0.1->0.25C10 5

7 Powerfitnas5120092- hw0ma

100 12 7.60 2.40 2.25 0.1->0.25C10

8 SunnyWay sWg121000 100 12 8.00 2.38 2.28 0.1->0.25C10


19/28

1

STT Hng sn xut Loi/K hiu

Dung

lng

(Ah)

in

p

danh

nh

(V)

Ni

tr

(m)

(25C,

np

y)

in

p np

tng

cng

(V/C)

in p

np ni

(V/C)

Dng np

H s b

nhit

(mV/

9 Marathon nall0270-hm0ma

100 12 2.27 0.1->0.25C10

10 Vitalize 12V100 100 12 2.50 2.30 0.1->0.25C1011 Sonnenschein A600 200 2 8.26 2.40 2.25 0.1->0.25C10 212 Long wp100-12 100 12 4.00 2.50 2.30 0.1->0.25C1013 Fiamm FFt100 100 12 4.50 2.27 0.1->0.25C10 2.2514 Acme-Frange 12ndf 100 12 6.31 2.4 2.25 0.1->0.25C1015 GFM 12V100 100 12 2.35 2.23 0.1->0.25C10

Gi tr tiu chun 2,35 2,233 0.1C10

VII. Bo dng h thng tip t, chng st trong trm


THNG GP

1Kim tra v cng ccc mi ni ti ccbng ng

- Kim tra cc mi ni ti cc bng ng: uct bt dy, c bt bng ng ....- p li cc u ct bt dy bng km bp ctv bc bng bng dnh in- Xit cht c mi ni b lng v thay th bu-lng ng b gy, chn ren

- Cha lm sch tip strc khi xit cht licc bu-lng

2

Kim tra v cng cli cc kt ni ti ccim tip t cho vthit b

- Kim tra cc mi kt ni ca dy tip t t

bng ng hoc dy M50 n cc v t RBS,t DC, Rack 19 .v.v.- p li cc u ct bt dy bng km bp ctv bc bng bng dnh in- Xit cht c mi ni b lng, c long enm v long en vnh chng t tho

-Nhiu u cots chdng ba p, khi bodng cng khng bp cots li.

3

Kim tra v cng cli cc kt ni tip tcho thit b chng stv chng xung qu p

- Kim tra cc mi kt t bng ng hoc dyM50 n cc v tr tip t ca cc thit bthot st: b ct st ng ngun AC, b ctst li feeder, b ct st cho li cp trung tnvi ba, b chng qu p trn t ngun DC, b

chng qu p cho cp tn hiu E1, b chngqu p cho dy cnh bo ngoi- Xit cht c mi ni b lng- Kim tra cc ch th cnh bo li thit bchng st hoc li thit thit b chng qu pqua cc ch th hoc n cnh bo Fail+ Nu pht hin c thit b li th a vo khoch sa cha t xut.

4 Ghi vo s bo dng


20/28

2

VIII. Bo dng thit b thu pht sng di ng RBSLu an ton cho ngi v thit b !


THNG GP

1 Lm sch t RBS

- Dng gi mm thm cn lau sch mt ngoit, m ca t, lau sch mt trong ca t.Vi

nhng v tr hp, cun gi lau vo a g lau- Tho tm lc bi cnh t lm sch

2Lm sch module

thu, pht sng

- Block module thu,pht sng cn lm vsinh. Rt module ny ra khi subrack- Cm module d phng vo subrack v chohot ng tr li- Ht sch bi bn bm vo v, thn module,cnh tn nhit- Xt sch bi trong cc khe, gc, ngch.

- Block ri tho module d phng khi

subrack.

- Lp module v sinh vo li subrack ri

cho hot ng tr li.

- Kim tra ch hot ng v cc n cnhbo m bo module hot ng bnh thng

3 Lm sch module nnDC/DC (nu c)

- Rt module rectifier ra khi subrack- Cm module d phng vo subrack.- Ht sch bi bn bm vo thn card v qut

tn nhit pha trc

- Xt sch bi trong cc khe, gc, ngch.- Tho module d phng khi subrack.

- Lp card vo subrack nh c.

- Kim tra cc n bo ch th trn thnmodule nm, m bo cc n bo hot ngbnh thng

4Bo dng modulequt lm mt

- Tt ngun v rt module qut ra khi

subrack.

- Cm module d phng vo subrack.

- Ht sch bibn bm vo thn card v quttn nhit pha trc

- Xt sch bi trong cc khe, gc, ngch.

- Tra du vo bi, trc ca qut.

- Tho module d phng khi subrack.

- Lp card vo subrack nh c v bt ngun

li.

- Kim tra cc n bo ch th tnh trng hot


21/28

2

TT NI DUNG YU CU THI CNG CC LIng v m bo qut hot ng bnh thng

5 Ghi vo s bo dng

Ch :Lm sch module thu, pht sng, module nn, module qut lm mt... i hi phi rt card ra

khi subrack, vic ny gy mt dch v cc b trong sut thi gian rt card, do o nht thit phi c

card d phng vi tnh nng k thut tng t thay th khi thc hin.

IX. Bo dng thit b vi-ba:


THNG GP

1 V sinh- Lm sch bi bn bm bn ngoi thit b- Xt sch bi trong cc khe, gc, ngch

2 Kim tra thit b

- Kim tra tnh trng hot ng ca thit bgm: mc cng sut pht, mc cngsut thu,cc n cnh bo li.

- X l cc cnh bo li- Loop trn phin u dy tt cnh bo cclung cha dng

3 Ghi vo s bo dng

X. Bo dng thit b quang:


THNG GP

1 V sinh- Lm sch bi bn bm bn ngoi thit b- Xt sch bi trong cc khe, gc, ngch

2 Kim tra thit b

- Kim tra tnh trng hot ng ca thit b

gm: mc cng sut pht, mc cng sut thu,

cc n cnh bo li.

- X l cc cnh bo li

- Loop trn phin u dy tt cnh bo cclung cha dng

3 Ghi vo s bo dng

XI. Bo dng ct anten:


THNG GP

1 Pht quang

- Dn dp pht quang c, rc, dy leo bmxung quanh chn ct v cc m co- Cht hoc ngh CN Tnh cht cc cnhcy c kh nng qut vo dy co, thn ct khic gi.

- Khng pht quang, lsch c, rc, dy leo vcy xung quanh ct vgn dy co, blok dy co

2 Cn chnh

- Tng li cc dy co b chng, chnh li ctnu b nghing, lch nh (nub nghing,lch qu ln...a vo k hoch sa cha)- Xit li kho cp theo tiu chun quy nh

- Kha cp xit likhng lc cho php


22/28

2

TT NI DUNG YU CU THI CNG CC LI

3 V sinh, chng g

- Pht hincc v tr b r st, v sinh sch rv sn chng rcho v tr ny- Bi m YOC cho ton b kho cp, tng

, ma n, bu lng, cu

- Khng dng chi lng qut u m m dntay vut thng vo tng - mani.- Khng sn chng gtrc khi sn ph bng

sn mu- E-cu tng thiunhng khng b sung.

4 Ghi vo s bodng

XII. Bo dng n bo cao:


THNG GP

1 Kim tra tnh trng

hot ng

- Kim tra cc ch bt, tt bng sensor- Kim tra tn s nhp nhy

- Kim tra sng ca n bng trc quan- X l li hoc bo thay th

2 Bo dng c- Sit cht cc bu lng, cu, c nh n bokhng

3 Bo dng in

- Kim tra v bo v ca dy ngun n bokhng nu b nt, v th phi a vo khoch sa cha thay th.- X l ngay cc nguy c an ton in, cbit vi h thng n 220VAC

4 Ghi vo s bo dng

XIII. Bo dng h thng Anten feeder v Anten VibaCh :khng lm thay i hng, gc ngng ca anten c bit l cc trm ang pht sng


THNG GP

1 Kim tra, bo dngkt cu c kh

- Kim tra, xit chtcc chi tit ca b ganten- Xitcht b g chng xoay, anten vi ba vob g;Kim tra kt ni gia anten v cpng trc; khiRadio Unit,

2 Gia c

- Chng thm nc cho cc u Connector...- C nh li h thng cp ng trc

- B sung, thay th cc Clamper b hng- Xit cht bu-lng, -cu ca h thng tipt- Gia c thm lt tht c nh thot st vothn ct

- Khng b sung Clamp- Cha xit cht -cca Clamp.

3 Ghi vo s bo dng

XIV: Bo dng h thng thot st ct antennaTT NI DUNG YU CU THI CNG CC LI


23/28

2

THNG GP

1 Kim tra nh v kimthu st

- Sit cht kp ng 4 vt kt ni kim thu stvi dy thot st hoc thn ct

2Kim tra cc lin kt

thot st

- Dng km p cos p li cc u cos b lng,hoc thi cng sai k thut- Thay thcc bulong b gy, sit cht cc bu

lng, cu, c nh cp thot st vo bngnghoc cp tip t

- Dy thot st vn lng thng trn ct.-Nhiu u cots ch

dng ba p, khi bodng cng khng bp cots li.

3 Gia c- Gia c thm lt tht c nh cp thot stvo thn ct

4 Ghi vo s bo dng

XV: Bo dng h thng tip a:


THNG GP

1 o in tr h thngtip a

- Cm que o ng k thut, o v ghi li gitr in tr tip t

- Cm sai que o, in

tr tip a nh hon bnthng

2 p li cc u cos- Dng km p cos p li cc u cos b lnghoc thi cng sai

- Khng c dng c,dng ba p u cos

Kim tra, gia ccclin kt thot st

- Kim tra u ni u ct ca dy dn- Thay th bu lng, cu b xy ho, hng(trm thi cng theo thit k c)- Hn b sung cp ng trn C50 t mt bchchn ct xung bi tip anu cn thit

- Cc mi hn chtlng km, e-cu vnkhng cht, Cha lmsch tip xc trc khixit .v.v.

3o ki m intr ti ptsau gia c

-N u Rt> 4 th lm k hoch sa cha b sung thm cc tip t cho t t

Ghi vo s bo dng


24/28

2

QUY TRNH GIM ST THI CNG LP T TRM BTS V VI-BA

I.YU CU, NHIM VI.1. Yu cu, nhim v i vi nhn v in gim st lp t thit b

TT YU CUCC LI

THNG GP

1 C kin thc, hiu bit v trm BTS, nm vng c tng hngmc cng vic lp t trm BTS

2C y cc trang, thit b ATL v cng c dng c (mytnh, my nh, ng h vn nng, la bn v cc loi my o ccch tiu k thut ca trm BTS)

- Khng dng c cn thitcho thi cng. Khng mc bo hlao ng(ng phc)

3Nm c quy trnh, quy nh v k thut lp t trm BTS, Vi-ba, s dng c cc loi my o

- Khng nm vng c quytrnh lp t

4C mt ti hin trng thi cng. Hng dn, kim tra... i tclp t ti trm v thc hin ghi nht k thi cng hng ngy

- Khng c mt ti cng trngKhng hng dn, kim tra tc thi cng dn n li

5 Bo co tnh hnh thi cng hng ngy v Ban KT ca XN

6 Lp h s hon cng theo s liu thc t, chun b cho cng tcnghim thu, bn giao trm - H s hon cng chm, sai

TT NHIM VCC LI

THNG GP

1Ph i hp vi nhn vin gim st xy dng trn a bn... n mr tnh hnh v nh trm, ct, tip a, in,... ln k hochnhn, tp kt vt t v t chc lp t thit b BTS

- Thi u thng tin nn c p thi tb ln trm nhng khng lpc

Hng dn i tc thi cng theo thit k, ng vi quy trnh quyphm v yu cu k thut

- Cc li lp t nh lit k phn I

2T chc o kim ch tiu k thut trm sau khi lp t xong, xclp s liu o bn giao cho CN Tnh

- Sai s liu kim k, sai s litrong h s hon cng

3 Phi hp vi nhn vin gim st ca CN Tnh tch hp vkim tra cht lng lp t trm.

- Khng phi hp, tin bngiao nghim thu chm

4Lp cc bin bn nghim thu, bin bn kim tra k thut, binbn bn giao a vo s dng vi chi nhnh k thut Tnh

- Chm ch trong nghim thu,bn giao.- S liu khng chnh xc phii thng k hoc cng c li

5 Np bin bn nghim thu, binbn ki m tra k thut v ban KH6 Thanh quy t ton cc khon tm ng cho ban Ti chnh2. Yu cu, nhim v i vi i tc thi cng lp t thit b

TT YU CUCC LI

THNG GP

1S dng ng vt t , thit b c cp lp trm BTS Tuyti khng c s dng vt t ngoi lung cha c phng Kthut Cng ty kim traa vo lp t.

- Cht lng vt t thay th k

2C y cc trang, thit b ATL v cng c dng c (dao ctFeeder, km p u ct, b dng c chuyn dng.. .) v thi cngtheo ng thit k ca trm v hng dn ca nhn vin gim st

- Cht lng lp t km.- Khng m bo an ton trongthi cng

3Nm vng v quy trnh v tiu chun k thut lp t trm BTS,Viba

- Lp t sai thit k- Cht lng lpt km, khnc nghim thu


25/28

2

4 Nhn lc , t i thi u mt i thi cng phi c 3 ngi - Ti n thi cng chm

5Ph i hp vi gim st ca Cng ty Cng trnh v gim st ca chinhnh Tnh nghim thu trm

- Khng ph i hp, ti n bngiao nghim thu chm

6Thng bo cho gim st Cng ty Cng Trnh v lch trnh thicng

TT NHIM VCC LI

THNG GP

1 Nhn v k nhn hng vi nhn vin bn giao vt t ca Cng tyCng trnh trc khi thi cng.

2Thi cng lp t thit b BTS v Viba theo ng tin . m boyu cu k thut v m thut ca trm

- Thi cng sai thit k- Khng m bo cht lng lt trm.- Trm lp thiu thm m

3 Ghi nht k thi cng hng ngy.

II. CC BC TIN HNH THI CNGII.1. Nhn nhim v

TT CC BC THC HIN CC LITHNG GP

1Thng bo vi Chi nhnh Tnh v nhim v ca mnh m nhntrn a bn Tnh v cc i tc tham gia thi cng

- CN Tnh khng nm c tnhnh ca i tc

2Lin h vi nhn vin gim st xy dng, in... nm tnh hnhnh trm, ct v in. Kho st thc t nh trm

- Cp thit b cho trm khng iu kin thi cng

3Bo co tnh hnh v Ban KT lm phiu xut kho v b tr itc thi cng

II.2. Nhn v bn giao vt t

* Trng hp NV gim st nhn hng ti kho:TT CC BC THC HIN

CC LITHNG GP

1 Nhn phiu xut kho ti ban KT, yu cu b tr xe vn chuyn

2Nhn hng ti kho, kim tra s lng v cht lng hng theophiu xut kho

- Thiu hoc tha vt t khi cln trm

3Chuyn hngti trm, c bin php qun l vt t ti trm khicha bn giao c cho i tc thi cng. Ri ng, hng chotrm trong trng hp chuyn hng nhiu trm cng mt xe

- Mt mt vt t- Thiu hoc vt t sai chngloi gy chm tin lp t

4 Giao, nhn Phiu xut kho theo ng quy nh

5Bn giao vt t cho i tc thi cng (i tc khng c t thi

cng khi cha nhn bn giao vt t t NV gim st)* Trng hp i tc nhn hng ti kho:

TT CC BC THC HINCC LI

THNG GP

1Ban KT c nhn vin ph trch vt t mang phiu xut kho tikho. Kim tra, xc minh t cch php nhn ca ngi nhn hngca i tc

2Nhn vin ph trch vt t chu trch nhim nhn hng vi khov bn giao vt t cho ngi nhn hng ca i tc tica kho

- Mt mt vt t- Thiu hoc vt t sai chng


26/28

2

TT CC BC THC HIN C C L Iloi gy chm tin lp t

3i tc k nhn vt t theo phiu xut kho vo s ca nhnvin ph trch vt t

4Nhn vin ph trch vt t gi li 01 b PXK Photo, 02 b PXKgc giao cho i tc nhn hng. i tc c trch nhim giao li sPXK ny cho nhn vin GS ca CtCt ti Tnh

5i tc phi hp vi nhn vin gim st ca Cng ty Cng trnh chuyn hng vo trm

- Mt mt vt t- Thiu hoc vt t sai chngloi gy chm tin lpt

6Nhn vin gim st chu trch nhim giao li cho chi nhnh VTtnh 01 b PXK gc, 01 b lm h s hon cng. Cc vt tcn thiu trong PXK phi c ghi li vo s nht k cng trnh.

II.3. T chc thi cng:


THNG GP

1Nhn vin gim st ca CtCt phi hp vi nhn vin gim st caCN Tnh t chc cho i tc thi cng theo ng thit k vi tngloi nh trm. Hng dn v gim st i tc thi cng ng theoquy trnh quy phm k thut

- Nhn vin GS khng c mtti hin trng- i tc lp t sai thit k

2

Gim st c cc d liu vyu cu k thutlp t cho tngloi thit b v cc thng s thit k ca GSM, Viba. Tt c ccthng s v yu cu ny phi c ghi li trong s nht k cngtrnh

- Thng s k thut sau kim trsai lch so vi thit k.- D liu khng c ghi trongnht k thi cng

3i tc thi cng theo ng qui trnh lp t trm BTS, s dngng vt t thit b c cp v s dng ng dng c ckim tra.

4i tc thi cng phi ghi li nht k thi cng hng ngy avo bin bn nghim thu

- Nht k khng ghi chi tit,khng th hin c qu trnhthi cng trm

5

Nhn vin gim st CtCt phi hp cng nhn vin gim st caTnh kim tra, nghim thu lp t khi i tc thi cng xong. Ghivt t cn thiu trong Phiuxut kho vo Bin bn kim tra,"Bin bn nghim thu lp t" phi c lp ti trm v c nhchp cc v trcn thit.Bn giao vt t tha cho CN Tnh

- Thiu vt t khi i sot h shon cng vi thc t.- Sai lch s liu kim k

6 Lp Bin bn nghim thu theo quy nh

II.4. o cht lng h thnganten, feeder trmBTS:

TT CC BC THC HIN GHI CH

1

t tn s my o: (Bm Mode>Measure Match> Config> Freq>Band List... chn tn s ph hp trong Band List ri bm Enter.C th nhp trc tip cc gi tr tn s start, stop bng bnphm ti cc trng nhp liu tng ng.

- Kt qu o sai khi t sai ditn s my o

2 Chn loi feeder: Mode - Fault Location - Config - Cbl Type - - Kt qu o sai khi t sai


27/28

2

TT CC BC THC HIN GHI CHCable List - Chn loi feeder ri n Enter chng loi feeder

3

t n v o l VSWR; t gii hn o t 1.0 n 1.3, limit linel 1.15. Ch Measure Match t gii hn o t 1.0 n 1.5;Limit Line t 1.3; Sau chn khong cch o (Distance) phhp

4Hiu chnh my: Bm Calibrate; lp ln lt cc u Open;Short ; Load vo my; n cc phm mm tng t hiu chnh

+ Thay i di tn s o.+ Thay i tham s Max tronch Fault Location.+ Hiu chnh tri im 0

5o ch tiu tng si feeder ch Measure Match v FaultLocation xc nh im li.

+ t marker v dch chuyncon tr xc nh khong ccli

Ghi ch: Ch tiu k thutyu cu khi o h thng antenna, feeder. Nu khng t phi x l ngay:

- u jumper 1/2 ni vi MF: 1.05

- B chng st li feeder: 1.10

- Trn Jumper, feeder: 1.03- u connector 7/8 v 1/2 trn ct: 1.05

- ui anten: 1.06

- im cng hng ca anten: 1.15

II.5. Hng dn ghi nht k thi cng :


THNG GP

1

- Ghi r ngy, gi chuyn hng; tn li xe, n v vn ti, bin s

xe... khi nhn hng. Ghi cc vt t cn thiu theo phiu xutkho

- Mt mt vt t nhng khng

truy c ngun gc

2- Khi bn giao vt t cho i tc, yu cu i tc k nhn hngvo s v ghi nhng vng mc v vt t

3- V li s phng my, thng nht vi nhn vin GS ca tnhnu l phng my c th, ghi cc yu cu k thut cn lu khithi cng, ghi cc thng s thit k GSM, Viba ...

- Phng my b tr thit b saithit k.- Gi tr GSM, vi ba sai lch

4- Ghi r cc vn vng mc cn c gii quythoc cgii quyt.

II.6. Quy trnh hon cng lp t thit b:

Lp v k vi CN Tnh h thng bin bn cn thitsau:


THNG GP1 Lp v k vi CN Tnh h thng bin bn cn thit2 Bin bn hon thnh hng mc cng trnh a vo s dng3 Bin bn nghim thu v bn giao s b lp t thit b BTS4 Bin bn kim tra cht lng cng tc lp t trm BTS5 Bin bn o kim tip t, ngun, acquy


28/28

TT CC BC THC HIN C C L I

6Bin bn o kim suy hao tuyn Feeder, antenna v cngsut pht ca thit b

7 Bin bn nghim thu lp t tnh thit b

8Bin bn xc nhn c ly vn chuyn vt liu n hin trngxy lp v iu kin t chc thi cng

9 Bin bn bn giao vt t tha10 Phiu xut kho11 Bn v thit k nh hnh k thut thi cng12 Nht k cng trnh13 Cc bin bn pht sinh khc

PHM XUN VINH

Documents

Cam nang huong dan xay lap bao duong tram BTS_ver6.pdf