qt.bd.bts.kt.01

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QUY TRNH BO DNG

PHN I: QUY TRNH BO DNG TRM BTS V CC THIT B PH TR.

- Trc khi tin hnh bo dng phi chp nh hin trng ti trm v lp bin bn hin trng c xc nhn ca chi nhnh tnh.

- Sau khi bo dng xong tin hnh chp nh v lp bin bn hin trng c xc nhn ca chi nhnh tnh.

I. Bo dng cc hng mc ngoi tri:

1. Bo dng h thng ct anten, dy co, m co:

a. Kim tra trc khi bo dng:

+ Kim tra thng ng ca ct.

+ Kim tra lp sn ton b ct.

+ Kim tra cng ca h thng dy co.

+ Kim tra tnh trng cc bu lng, cu xem c lc xit hoc r st khng; kim tra bn p,

ma n, tng , cc kp kha cp, lt cp,

+ Kim tra mt bng hin trng ti trm.

b. Quy trnh bo dng:

+ S dng cuc, xng dn dp pht quang c, rc, dy leo bm xung quanh chn ct v cc

m co.

+ Ni bu lng t ct b nghing, cn chnh dy co, bt li kho cp, tng , ma n. B sung

cu cng chng git cho tng nu thiu;

+ Xit li ton b bu lng ni ct, bu lng bn p, nhng vt t hng phi thay th, xit li

ton b bu lng ca b g chng xon;

+ Bi m YOC cho ton b kho cp, tng , ma n, bu lng, cu sau khi c xit cht;

+ Dng bn chi st nh sch r st, co b ton b phn sn c ca ct cn sn li;

+ Tin hnh san lp hon tr mt bng ti trm sau khi don dp pht quang.

+ Dng gi mm, lau sch phn r st, bi sn trn b mt ct;

+ Dng chi lng nhng sn tng hp ri qut u sn ln b mt ct (1 lp lt, 2 lp ph).

Lu trong qu trnh sn phi tin hnh sn tng lp mt t trn xung di, lp trc kh

th mi c tin hnh sn lp tip theo.

CNG TY CNG TRNH VIETTEL CNG HA X HI CH NGHA VIT NAM

PHNG K THUT

S:/QTBD - PKT

c lp T do Hnh phc

H Ni, ngy 06 thng 05 nm 2010

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+ B xung thm kho cp cho cc tng dy co (vi cc trm ven bin trin khai bo dng

nm 2010 th tin hnh b xung 06 b kho cp/1si cp thp vi chng loi kho cp v

khong cch gia cc kho cp nh thit k) v s dng cn cn lc xit vi lc theo nh

thit k.

+ Lp bin bn nghim thu ti trm c xc nhn ca gim st chi nhnh tnh.

2. Bo dng h thng anten feeder, anten viba, n bo cao:


+ Kim tra b g anten, cc bu lng bt g, cc clamp xem c bt cht v m bo k thut

khng;

+ Kim tra tilt v gc azimuth ca cc anten phng trng hp khi bo dng lm x

dch antenna;

+ Kim tra feeder xem c thng, c c kp clamp chc chn hay c b mp mo khng;

+ Kim tra v tr u connector kt ni vi feeder v jumper xem phn bng dnh c m bo

chng thm nc hay khng;

+ Kim tra b bt g anten vi ba, cp ng trc;

+ Kim tra b n bo cao (lu an ton vi cc b n bo cao dng ngun in AC 220V,

trc khi tin hnh bo dng ln ngt attomat cp in cho n bo cao), xit cht cc bu

lng, cu, c nh n bo khng. Gia c thm lt tht c nh dy ngun ca n bo

khng vo thn ct, kim tra v bo v ca dy ngun n bo khng nu b nt, v th phi

a vo k hoch sa cha thay th,...

b. Quy trnh bo dng:

+ Xit cht bu lng, cu ca b g anten vi ct, g vi anten, m bo chc chn v y

cc cu;

+ Bt cht b g chng xoay, xit cht anten vi-ba vo b g, kim tra kt ni gia anten v

cp ng trc vi ba, khi Radio;

+ V tr cc u connector vi feeder, dy jumper phi c chng thm nc tt bng cao su

non bng dnh (nu khng m bo chng thm nc tin hnh cun b xung bng dnh, cun

theo hnh mi ngi); lin kt gia u connector vi feeder, dy jumper phi m bo chc

chn trnh suy hao, ;

+ C nh li h thng cp ng trc, thay th clamp hng, xit cht bu lng, cu cho h

thng thot st.

3. Bo dng h thng tip a v thot st ngoi tri:


+ o kim tra in tr h thng tip a (lu c hng dn gi cc x nghip v cch o);

+ Kim tra 02 mi hn ho nhit gia mt bch chn ct anten vi dy cp thp xung t t;

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+ Kim tra u ni u ct dy dn thot st; kim tra cc bng ng trn ct, u ct u

ni dy dn vi bng ng (i vi cc trm theo thit k nm 2008 tr v trc);

+ Kim tra nh v kim thu st; kim tra cc thot st dy co,

b. Quy trnh bo dng:

+ Xit li cc bu lng, cu; thay th cc bu lng, cu b xy ho, hng ( cp theo nh

mc);

+ Dng km p ct thu lc p li cc u ct b lng. Cc bng ng phi c c nh chc

chn, cc dy thot st v tip mt phi c bt cht vi bng ng theo ng k thut, c

y cc c cht, c cng;

+ nh v li kim thu st m bo chc chn v thng, thu st tt;

+ m bo cho cc dy thot st dy co c kp bng kho cp v chn du ti m co;

+ Trong qu trnh kim tra 02 mi hn ho nhit gia mt bch chn ct anten vi dy cp

thp xung t t nu khng m bo yu cu th tin hnh hn li (vt t cp theo bng

nh mc)

+ o kim tra li in tr tip t. Nu in tr t 4 l t tiu chun.

+ Gia c thm lt tht c nh dy thot st vo thn ct.

+ nh v li cc bng ng tip a.

4. Bo dng thang cp ngoi tri:


+ Kim tra tr v ct chng thang cp ngoi tri;

+ Kim tra cc bu lng v cu bt thang cp vi ct; thang cp vi nh trm.

b. Quy trnh bo dng:

+ Ct chng v thang cp phi c sn chng r. Trc khi sn phi dng bn chi st

nh r st, sau khi sn chng r tin hnh sn 1 lp lt 1 lp ph;

+ Xit cht v y cc bu lng, cu bt thang cp vi ct; thang cp vi nh trm. Sau

bi m YOC chng xy ho vo u cc bu lng, cu.

5. Bo dng h thng iu ho:

+ o kim tra in p v dng in cp cho iu ho, kim tra nhit trong phng c m

bo khng nh gi iu ho cn hot ng bnh thng khng;

+ Ct in cp cho iu ho, tho v ngoi ca dn lnh, tho li chn bi v kh mi ra, g

lp mng ng nc pha di dn lnh ri dng my bm p lc phun ra li chn ca gin

lnh (phn mch in phi dng ti nilon che kn) a sng phun rc theo li chn, khong

cch gia sng phun nc v li chn t 300mm n 400mm;

+ i vi li chn bi, ra bng nc sch pha thm mt cht x phng ri lau tht kh

bng vi mm;

+ Ly khn sch, mng lau sch cc b phn: lm sch, thit b sy, cnh qut, m t in

Dng my ht bi ht ht bi trong my;

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+ Dng khn sch lau v my sy tc lm kh phn iu ho phun nc. Bm du tra bc

vo hai bc pha di li chn. ng np gin lnh. Lp li cc chi tit tho nh ban

u;

+ Tho v ngoi ca dn nng, che phn mch in gin nng. Dng sng phun nc phun

sch phn bi bn gin nng. Dng khn sch lau cc b phn bn trong nh: cnh qut, m

t in, bnh p sut;

+ Kim tra van, rc co, qun li phn bo n nhit. Dng VAM nong li ng dn gas nu

hng, kim tra li h thng trc khi cp in;

+ Cp in cho iu ho, ch cho iu ho chy khong 10 pht. Dng ng h o p lc gas

v ampe km kim tra dng in v p lc gas (nu dng in khong 6A/p lc gas 80Pi/s l

tt), nu p lc gas nh hn 80Pi/s th cm bnh gas vo np v quan st ng h p lc gas

ngt cp gas;

+ Dng iu khin kim tra 3 ch hot ng ca iu ho v t nhit 270C.

II. Bo dng nh trm (nh xy, nh ci to, nh lp ghp):

1. Bo dng nh xy, nh ci to:


+ Kim tra cc ca ra vo, xc nh nhng v tr b h;

+ Kim tra tm bt l cp nhp trm;

+ Kim tra tng, trn nh, nn nh xem c b rn nt, nghing ln hay tng, trn nh c b

thm mc khng.

b. Quy trnh bo dng:

+ Tra du bi trn vo bn l, then ca, kha. Nhng ch b r st th v sinh sch bng bn

chi st, sau sn bo v chng r;

+ Tm bt l cp nhp trm b h th s dng keo silicon bt kn li;

+ Tng, trn nh nu b mc hoc qu c th phi sn li ton b.

2. Bo dng nh lp ghp:

+ Kim tra ca ra vo v h thng giong cao su lm kn, nu giong cao su b bong ra th

dng keo dn li;

+ Tra du bi trn vo bn l, then ca, kha. Nhng ch b r st th v sinh sch bng bn

chi st, sau sn 2 lp bo v chng r;

+ Kim tra tm bt l cp nhp trm, nu b h th bn keo silicon cho kn;

+ Kim tra vch, trn nh nu b h, ngm nc th bn keo silicon cho kn;

+ Dng sn ng mu sn ph cc vt xc trn vch nh lp ghp;

+ Phi xit cht bu lng vng c nh nh vi mng. Dng ba tn bt u bu lng chng

tho trm, sau bi m chng xy ho.

3. V sinh phng my v khu vc xung quanh trm:

a. V sinh trong phng my:

+ Dng gi mm lau sch bi trn cc vch nh trm, trn nc v v t thit b, trong qu trnh

lau kt hp s dng my ht bi trnh pht tn bi bn;

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+ Dng my ht bi ht ht cc bi bn trn sn phng my, sau dng gi lau sch sn

phng my.

b. V sinh tng ngoi v trn trn pha ngoi phng my:

+ S dng chi qut sch bi bn, mng nhn trn tng pha ngoi phng my;

+ Qut dn rc, l cy trn trn nh trm trnh ng nc v nm mc;

+ S dng xng ht sch l cy mn bn trn trn mang xung t;

c. V sinh khu vc xung quanh phng my:

+ S dng cuc v xng dn dp pht quang c mc xung quanh nh trm v li i vo trm;

+ Dng chi qut gn cc rc bi xung quanh nh trm.

+ S dng cuc xng cng c li ng vo nh trm v khu vc xung quanh nh trm

(i vi trng hp b bn, ln).

PHN II. QUY TRNH B XUNG G CHNG XON, CP THP CNG C TRM BTS.

- Trc khi tin hnh b xung b g chng xon tin hnh chp nh ti hin trng c xc

nhn ca chi nhnh tnh.

- Sau khi lp xong b g chng xon tin hnh chp nh ti hin trng c xc nhn ca chi

nhnh tnh.

1. Quy trnh lp b g chng xon.

+ Lp thm b chng xon ti cao trnh ch nh trn bn v thit k;

+ Thay mi cc tng dy co theo thit k (cc tng c b chng xon s dng li tng-,

man);

+ B xung thm cnh bm lin kt vi mc co bt cc tng dy co b xung.

+ Thay mi ton b cc kho cp .

+ Cng li tt c cc tng dy co vi lc cng nh thit k.

2. Quy trnh cn chnh ct anten dy co sau khi lp thm b chng xon.

+ Lp thm vo mi u dy co 03 kho cp khong cch gia cc kho cp t 60mm n

200mm. Vi lc xit bu lng kho cp nh sau:

i vi dy cp 8 v 10: Lc xit 6(kg.m).

i vi dy cp 13.5 v 12: Lc xit 8(kg.m).

+ Sau khi lp cc kho cp tin hnh cng li dy co. Dy co c cng li vi lc cng nh

sau (s dng tensormetre kim tra lc cng):

Dy co 13.5: 650kg 900kg;

Dy co 12: 400kg 500kg;

Dy co 10: 250kg 300kg;

Dy co 8: 200kg 250kg;

+ Cn chnh a ct v trng thi thng ng;

+ Xit kho cp ln 2 m bo kho cp c xit vi lc xit nh thit k;

+ Kim tra li thng ng ca thn ct (nu ct cha thng tin hnh tip tc cn chnh

bng tng-);

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+ Lp bin bn hin trng xit kho cp ln 2(c u trn v u di ca dy co). C xc

nhn ca chi nhnh tnh.

+ Tin hnh lm bin bn nghim thu bn giao cho chi nhnh tnh.

PHNG K THUT

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