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Cng trinhBNH VIN A KHOA QUC T MIN NG

Ngay06/08/2011

BIN PHP T CHC THI CNG V THI CNG LP T CHI TIT

A. BIN PHAP T CHC THI CNG m bo hon thnh tt cc hng mc thi cng trn cng trng theo ng yu cu k thut, m bo m thut v tin ra cn thit phi xc nh c bin php k thut thi cng ti u. Qu trnh thi cng cc hng mc ca h thng trn cng trng bao gm nhiu bc sau:

Bc 1: Kho st, thit k thi cng chi tit v lp k hoch thi cng chi tit.

Bc 2: Mua sm vt t thit b, gia cng cc thit b ph tr, cp hng n cng trng

Bc 3: Bo qun vt t hng ha.

Bc 4: Lp t cc thit b ph tr.

Bc 5: Lp t cc thit b chnh.

Bc 6: Kim tra th nghim - chy th v cn chnh h thng.

Bc 7: Kim nh cp php hot ng cho cc h thng.

Bc 8: Vn hnh h thng nghim thu bn giao.

Bc 9: Bo hnh bo tr h thng.

Trong qu trnh thi cng chng ti s tin hnh kt hp cht ch vi cc n v thi cng khc v tin v mt bng thi cng, m bo tt nht cho cht lng cng trnh v vic qun l cht ch cng nhn, m bo tin cng nh an ton ti cng trng.

Trong qu trnh thi cng chng ti lun thc hin y cc quy nh v an ton lao ng. Cc dng c v phng tin thi cng phi cn tt lun m bo cht lng cng trnh.

1. Kho st v thit k k thut

Ngay sau khi k kt hp ng, nh thu chng ti s c nhn vin k thut n hin trng tin hnh kho st, o c c th cc kch thc. Tin hnh lp bn v shop drawing cho D n:

Qu trnh thit k thi cng chi tit cc hng mc thit b c thc hin vi s ch o ca trng nhm thit k, di s gim st ph trch phng k thut & nhng ngi c trch nhim lin quan, m bo h s thit k phi tho mn cc yu cu sau:

Thit k thi cng chi tit cc hng mc cng trnh tun th tt c cc yu cu k thut a ra trong h s d thu & hp ng kinh t. m bo tt c vt t thit b ng chng loi, qui cch, nhn hiu v xut x.

Mi s thay i trong thit k phi theo hng lm tng cht lng cng trnh.

Mi s thay i trong thit k phi c s ng ca nhng ngi c trch nhim trong qun l, iu hnh d n v phi c ch u t ng ph duyt bng vn bn mi c php tin hnh.

H s thit k c thc hin vi y cc bn v (bn v nguyn l, bn v mt bng, bn v ch to chi tit thit b, bn v lp t chi tit ca thit b, bn v kt cu mng thit b, bn v chi tit h thng treo , bn v chi tit u ni). Trn cc bn v phi th hin y cc kch thc, thng s, c tnh k thut ca thit b thun li cho cng tc ch to & lp t thit b.

Tt c cc bn v phi c ch u t ph duyt trc khi tin hnh.

Trn c s H s thit k thi cng c ch u t ph duyt, chng ti s tin hnh lp k hoch trin khai chi tit ca d n trnh ch u t ph duyt. Ni dung k hach trin khai s bao gm:

K hach cung cp vt t cho d n

Tin thi cng chi tit tng hng mc cng vic

K hach cung cp nhn lc cho d n

K hach huy ng trang thit b thi cng cho d n

K hach th nghim, kim nh, cp php & nghim thu bn giao tng hng mc ca d n

Ngoi ra m bo cht lng, tin v an ton lao ng trn Cng trng, trc khi tin hnh thi cng tng hng mc cng vic chng ti s lp v trnh Ch u t ph duyn trc khi tin hnh thi cng:

Bin php thi cng tng hng mc

Bin php bo m an ton v v sinh trong qu trnh thi cng tng hng mc

Tiu chun, Qui trnh kim tra, th nghim v nghim thu tng hng mc cng vic

2. Cung ng vt t, Ch to cc vt t, thit b ph tr, cp hng n cng trng

Cung ng vt tCng tc cung ng vt t cho cng trnh s tun th quy trnh kim tra v bo m cht lng ca TECHGEL cng nh yu cu d n. C th tm tt cng tc cung ng vt t nh sau:

Vt t s c bc tch theo bn v thit k thi cng v yu cu d n.

Vt t qu, t tin th TECHGEL s trnh duyt Ch u t bng cc Catalogues v Datasheet. Sau khi nhn c s chp nhn ca Ch u t bng vn bn, TECHGEL s tin hnh t hng theo tin d n.

Cc vt t thng dng v c th mua trong nc th TECHGEL s trnh Ch u t bng c Catalogues v datasheet, nu c yu cu thm th TECHGEL s trnh cc bng mu vt liu Ch u t ph duyt. Vt t trong c s cp n cng trnh theo tin d n gim thi gian lu kho cho vt t.

Vt t cp n cng trng s c lu tr trong kho ph hp trnh tnh trng h hng, mt mt hoc suy gim cht lng theo quy trnh lu kho ca TECHGEL v yu cu ring d n.

Cc vt t tha hoc cha s dng n trong thi cng s c thu xp ring, kim tra khi lng, chng loi, nh gi cht lng v phn loi s dng tip cho cng trnh hoc loi b.

Vt t cp n cng trng, lu kho s theo nguyn tc: vt t nhp trc s s dng trc, vt t nhp sau s dng sau trnh tnh trng lu tr qu lu.Cc loi vt t thit b phi ng thng s k thut, s lng, chng loi, nhn hiu, xut x & cht lng nu trong bng d ton khi lng chi tit.

Tt c cc hp ng mua sm vt t thit b u phi c phng k thut kim tra v mt thng s k thut, s lng, chng loi, nhn hiu, xut x trc khi tin hnh.

Mi vt t thit b sau khi ch to, mua sm c tp kt v kho n v v phi c nhng ngi c trch nhim lin quan kim tra nghim thu s b trc khi vn chuyn ti cng trng.

Sau khi thit b tp kt ti cng trng, Ch huy cng trng phi phi hp vi ch u t kim tra & nghim thu s b thit b trc khi tin hnh lp t.

Ch to thit b ph tr

Cc vt t thit b ph tr cho h thng c ch to trc ti xng ca n v, sau vn chuyn n cng trng lp t. C th cc thit b ny bao gm:

T in ng lc & iu khin

Thang, mng cp

Gi thit b, ng ng, mng cp

Cc thit b cn gia cng khc

Tt c cc vt t thit b c ch to theo ng bn v thit k thi cng chi tit c ch u t ph duyt v p ng c tt c cc yu cu k thut qui nh trong Hp ng v H s d thu.

Ton b vt t thit b sau khi vn chuyn n cng trng u phi c Ch u t & t vn kim tra nghim thu s b trc khi a vo lp t.

Qu trnh gia cng ch to thit b c thc hin ti xng vi s ch o trc tip ca qun c phn xng v cc k s ch to. Qu trnh gia cng ch to thit b m bo tho mn cc yu cu sau:

Thit b c ch to theo ng qui trnh ch to, ng theo tt c cc yu cu k thut nu ra trong bn v thit k.

Tt c cc vt t thit b sau khi ch to xong u phi c th nghim trc khi xut xng.

Qu trnh lp t thit b, th nghim phi tun th theo ng qui trnh & phng php lp t, th nghim qui nh trong h s thit k.

Mi s thay i trong qu trnh ch to & lp t ti xng u phi c phng k thut & Tng gim c ph duyt trc khi tin hnh.

Vn chuyn thit b ti cng trng

Cc vt t thit b ph tr ch to ti xng & cc vt t thit b ph tr khc mua bn ngoi c tp kt ti kho xng trc khi chuyn n cng trng. Vt t, thit b c vn chuyn t kho xng n kho tm ti cng trng bng xe ti hng chuyn dng. Ty vo loi vt t thit b c vn chuyn n hin trng m TECHGEL s p dng bin php vn chuyn, bo qun v nng h hng khc nhau. Vi cc hng ha nh, d b h hng, mp mo do qu trnh vn chuyn hng ln xung xe c thc hin cn thn bng tay, vi cc thit b nng v cng knh th vic nng h c thc hin bng xe nng my, xe nng tay hoc cu..

Cc thit b nhp khu sau khi lm th thc nhn hng c vn chuyn thng t cng n kho tm ti cng trng. Qu trnh vn chuyn thit b t cng v cng trng c thc hin bng xe container chuyn dng. Qu trnh ly hng ra khi container chuyn vo kho tm c thc hin bng palng tay & xe nng hng. Trong qu trnh di chuyn cc thit b c che chn k, di chuyn chm, nh nhng, trnh va p lm mp mo, hng hc thit b.

Cc thit b sau khi tp kt n cng trng s c nghim thu tp kt hng ha s b v nhp kho cng trng bo qun trc khi a vo v tr lp t.

3. Bo qun thit b

Cc loi vt t thit b tp kt ti cng trng nhng cha a vo lp t c bo qun trong kho tm do nh thu xy ti chn cng trng.

Cc loi vt t thit b cng knh, khng th a vo kho th s c k ln cao v dng bt che k trnh ma lm bn hoc cc hng hc v khc.

Cc thit b d b hng hc do thi tit ch c lp t nhng khu vc m nh thu xy dng thc hin xong phn mi bao che.

Cc thit b lp t vo v tr c che chn cn thn trnh khng b va p lm hng hc hoc lm bn.

Ton b vt t s c b tr bo v 24/24h cho ti khi nghim thu bn giao ton b h thng cho ch u t a vo hot ng.

4. Chun b nhn lc v ngun lc, phng tin thit b.

4.1 Nhn lc:

T chc cng trng: xin xem s t chc cng trng v d n.

Nhn lc cho cng trng s tun theo chnh sch ca TECHGEL nhm bo m y nhn lc cho cng trnh, trnh tnh trng nhn vin phi lm nhiu vic chng cho, mt nng sut v khng hiu qu.

Nhn s c hu ca cc b phn ch cht s khng thay i t u n cui d n nhng s lng cng nhn v k s thi cng s c iu chuyn tng hoc gim ph hp vi tin thc t.

4.2 Ngun lc:

Theo chnh sch ca TECHGEL, ngun lc ca cng trng s c lp k hoch t trc khi thi cng v s lun c iu chnh theo tin thc t bo m khng c bt c ri ro no gy bi vic thc hin d n m khng c d tr trc.

4.3 Phng tin thit b:

Phng tin thit b cp cho cng trng s c d tr t trc khi trin khai thi cng ti hin trng v c iu chnh theo nhu cu thc t. TECHGEL cam kt s cung cp y phng tin thit b ph hp p ng tin cng trng xin xem danh mc thit b thi cng cho d n

5. T chc b my cng trng

T chc cng trng theo chnh sch qun l cht lng ca TECHGEL xin xem bn s t chc cng trng. C bn s gm:

Ph Ban quan ly D n Ch huy trng

Cc k s cng trng cho tt c cc cng vic h in

Ban an ton: gim st thi cng an ton, phng chng chy n, v sinh mi trng, y t ...

Ban cht lng: b phn qun l cht lng, gim st cht lng vt t, cht lng thi cng v cc quy trnh cng ngh, quy trnh qun l ... theo yu cu d n, xy dng cc form mu biu kim tra, xy dng v kim sot cc bin php thi cng kh v phc tp

B phn kho v cung ng vt t cng trng

B phn phng tin thi cng c gii v thit b nng.

B phn gim st: gm cc cng nhn lu nm, c kinh nghim, c trch nhim gim st v trin khai thi cng hin trng.

B phn in thi cng: gm cc cng nhn trc in thi cng, chu trch nhim u in, ko dy ngun phc v thi cng, kim tra thit b in ... ngoi ra, b phn s chu trch nhim dn nc thi cng n im thi cng cho cc cng tc thi cng xy dng cn nc.

Cc i hoc t thi cng chuyn nghnh: in, cp thot nc, xy dng, lp t thit b... Nhn lc trong cc t i thi cng l cng nhn chuyn nghnh, khng s dng ln nhn cng t b phn ny sang b phn khc. S lng cc t hoc i thi cng v cng nhn trong tng t i s c iu chnh cho ph hp nh cu thc t v tin cng trng nhng vn lun bo m cc cng tc thi cng lun c thc hin ng th - ng vic.

Vn phng Cng trng s c thit lp vi y phng tin, thit b cn thit phc v cng tc thi cng, lm bn v thi cng, lm h s, truyn thng gia Vn phng cng ty v cng trng cng nh vi Ch u t v cc n v bn

6. Phi hp trong thi cng

Hin nay, ni cm vi d n l vic n v xy dng thi cng ln qu tng 1 nhng nh thu c in vn cha c, nh vy cng tc t ng ch cho h thng c in c th c thiu st. TECHGEL s ngay lp tc kim tra thit k nguyn l ca cc h thng c in, kim tra hin trng v trin khai bn v thi cng ring phn l ch - l m c th thc hin ngay vic thi cng cc l thng tng mt cch c h thng, trnh tnh trng thiu ht hoc si lch dn n vic phi p ph nhiu.

Cc cng tc gia cng kt cu kim loi n bn thnh phm s c t chc ngoi cng trng m bo yu cu cht lng, gim n, chng rc thi cho cng trng.

Cc trng hp cn s dng b tng th TECHGEL s c gng tnh ton v thu xp s dng b tng ti mua ca cc nh sn xut b tng bo m cht lng, gim rc v chng n, chng bi cho cng trng. Cc trng hp b tng trn ti cng trng s l cc m nh, l, khng th mua c xe ln c.

Vic vn chuyn vt t t tng di ln cc tng trn, nh thu TECHGEL s thu n v xy dng chuyn gip bng cu thp. Thi gian vn chuyn vt liu ca xy dng v TECHGEL s c thu xp khng chng cho. Trong trng hp thang ca n v xy dng qu ti, khng th nhn thm vic chuyn vt t cho TECHGEL th TECHGEL s t chc chuyn bng ti in khu vc ring, khng lm nh hng n cng tc thi cng ca cc n v bn.

Cc cng tc t ngm trong b tng, TECHGEL s t chc mi nghim thu lp t trc khi cng tc b tng bt u. TECHGEL s lun gi lc lng thi cng tham gia trc b tng kp thi sa cha cc h hng nu c do cng tc xy dng gy ra.

TECHGEL s bm st tin thi cng xy dng trin khai cc cng tc thi cng c in khng lm nh hng n tin chung v lm nh hng n cng tc thi cng xy dng. Ngoi ra, TECHGEL s tahm gia y cc cuc hp giao ban v tin v phi hp thi cng. TECHGEL s lun c k hoch thi cng 2 tun gi Ch u t v n v bn tin cho cng tc phi hp trong thi cng

Cc cng tc thi cng c bit cn s phi hp vi cc bn, TECHGEL s chun b trc phng n v bin php thc hin, gi Ch u t ph duyt v thng tin k hoch n ton th cc n v bn trc khi thi cng

7. Cc bin php thi cng v bo m cht lng

Cc bin php thi cng v bo m cht lng s theo cc quy trnh qun l cht lng ca TECHGEL xin xem quy trnh qun l cht lng PMP nh km v cc bin php thi cng mu

Ngoi ra, cc cng tc thi cng c bit s c TECHGEL kim tra, chun b trc thc hin trc khi tin hnh bt c mt cng tc thi cng kh no

8. Cc bin php an ton lao ng, v sinh mi trng, bin php chng gim ting n, phng chng chy n

Cc bin php thi cng bo m An ton lao ng, Phng chng chy n, V sinh mi trng v Gim chng ting n s theo chnh sch qun l cht lng ca TECHGEL xin xem quy trnh qun l cht lng PMP nh km v 04 cc bin php thi cng mu nh km.

9. T chc nghim thu, lu tr h s v bn giao.

9.1 Cng tc t chc nghim thu:

Tun th yu cu d n v theo ng cc quy trnh sn xut ca TECHGEL.

Cn c vo tin thi cng, TECHGEL s chun b k hoch th nghim, kim tra v nghim thu, ng thi chun b sn cc ngun lc phc v cng tc ny. K hoch t chc nghim thu s c TECHGEL gi Ch u t t ngay khi cng vic thi cng c trin khai v ch iu chnh theo tin thc t - nu c yu cu t Ch u t.

9.2 Lu tr h s: theo ng cc quy trnh lu tr h s d n ca TECHGEL:

TECHGEL s gi Ch u t danh mc h s d n hon chnh theo form mu ca TECHGEL - Ch u t ph duyt trc khi cung cp y c b h s d n. B h s s bao gm y tt c thng tin d n, bn v hon cng, cc bin bn kim tra, nghim thu bn giao ...

TECHGEL s gi lch kim tra k thut hoc bo tr nh k Ch u t ph duyt lm c s thc hin trong qu trnh bo hnh hoc bo tr sau thi cng

Ngoi ra, cc thng tin v vt t thit b, thng tin nh cung cp, hng dn s dng v bo tr thit b cng c trong danh mc Ch u t c th s dng thng tin t h s lu cho cng tc vn hnh, bo tr, sa cha hoc thay mi ... sau khi TECHGEL ht hn bo hnh cng trnh

9.3 Bn giao:

Vic bn giao cng trnh s theo quy trnh qun l cht lng ca TECHGEL. C bn, cng tc bn giao bt u c thc hin sau khi:

Cng tc thi cng, kim tra v chy th thit b hon tt.

Cng tc lm h s hon cng cho d n kt thc

Cng tc hng dn s dng hoc vn hnh, bo tr cho cn b k thut vn hnh ca Ch u t c thc hin xong.

Ngay sau khi kt thc bn giao, TECHGEL s bt u chun b phng tin v k hoch cho cng tc bo hnh hoc bo tr

10. Chun b mt bng thi cng, ngun in nc phc v thi cng

Trc khi tin hnh tp kt vt t thit b n chn cng trng, chng ti s tin hnh xy dng kho tm ti cng trng ti v tr c ch u t cho php & c khong cch an ton vi khu vc ang thi cng. Kho tm s c dng bo qun thit b phc v thi cng v cc chng lai vt t thit b chun b a vo lp t.

Sau khi nhn bn giao mt bng thi cng, tin hnh dn dp sch s nhng vt dng c th gy cn tr cho qu trnh thi cng, dn sch cc vt liu d chy cn st li, ro bo v khu vc thi cng v tin hnh u ni ngun in, nc phc v thi cng ti cc khu vc thi cng.

Do khu vc thi cng nm st ngun in nc hin c ca ch u t nn chng ti s xin php ch u t u ni s dng phc v cho cng tc thi cng. Ngun in nc cp cho TECHGEL s c gn ng h tiu th ring, chi ph in nc s c hon tr cho ch u t vo cui thng. Ngoi ra m bo tin thi cng v ch ng, nh thu chng ti s trang b my pht in d phng ti cng trng m bo thi cng bnh thng trong trng hp mt in.

B. BIN PHP THI CNG LP T CHI TITBIN PHAP THI CNG LP T NG INI. CNG TAC CHUN BI:1. Kim tra cac cng tac xy dng lin quan n cng tac lp t ng in a c thc hin xong.

2. Chun bi bin phap an toan:

Gian giao, chng, cum, sn thao tc, lan can, dy chng

Dy ai an toan/ ai ton thn (nu c yu cu)

Binh cha chay, quat thng gio, khay hng x hn hoc tm chn x - nu c yu cu

Kinh eo mt an toan cho cng tac khoan v mt n han

Kim tra an toan thit bi in, n chiu sng cm tay (nu c yu cu), dy ngun v thit b cp ngun in thi cng

Giay, non bao h, gng tay v gng tay hn

Bin bo khu vc lm vic, bng cnh bo an ton (nu c yu cu).

3. Ban ve thi cng v chi tit lp t a c ph duyt, phin ban mi nht, ban ve th hin y u cac chi tit:

nh v tuyn ng trn mt bng, cao lp, th t ng

Loi ng v chi tit gi , np ng, ph kin...

Cc yu cu k thut in hnh r nhnh, b gc ng, ni ng, bt u... (nu c)

4. Chun bi vt t: Theo danh muc vt t lin quan, gm: ng in (nha, thp m km), hp ni dy, ph kin ng (b gc, r nhnh, ni ng, bt u...) Keo dn ng/ que hn, sn, gi lau Vt v neo nha (tc-k)/ bu-lng neo, inh Kp gi ng & km nh v ng/ gi ng & dy mi5. Kim tra dung cu thi cng v thit b o am bao hoat ng tt va an toan.

My hn in, my ct, my mi, my khoan cm tay,...

My un ng thp/ my un nhit, my ren u ng, ca st...

Dng c thi cngII. LP T:

1. inh vi va anh du vi tri cac hp ni dy va ra dy. inh tuyn ng gia cac hp ni dy theo ban ve thi cng. Vi trng hp ng thp, nh du v tr cc im treo/ lp gi ng bng phng php hn hoc khoan vo kt cu. 2. Khot l trn tng/ trn hoc khoan/hn gn cac hp ni dy co s u ni va chiu ni ng tng ng ban ve. Hp ni phai c bao v thich hp tuy theo cng tac gn m san hay gn ni chng cc s ph hoi v hoc lm bn hp bn trong nh che y hp bng tm g hoc tm xp, bao bng tm nha... Cc l ch trn thn hp v np hp s c bt li hoc khng tho cc tm che ra gi v sinh bn trong hp.3. Vi ng i ni: Khoan l/ hn/ ng inh ... lp gi ng/ kp gi ng theo tuyn ng nh.4. Un ng theo tuyn ng a c inh vi, phai un nhe nhang, cac ng bi bep, nt phai c thay th.

5. Lp ni ng, dan keo chc chn/ ren u ng lp ng ni cho cac im ni va inh vi ng vao cac hp ni ng. Lun dy mi vo trong ng trc khi lp bt u ng hoc c ng (bushing) (xem hinh 1 cac chi tit lp t ng in). Khi phi ren u ng, ton b ng ren phi c qut sn chng r trc khi lp c ng.6. i vi ng m san, sau khi lp ng v lun dy mi phi bt tm u ng trnh b tng hoc cc tp cht c th chui vo lm tc ng v neo c nh ng vo kt cu trnh lm cho tuyn ng b dch chuyn hoc t gy trong qu trnh b tng. Theo doi cng tac b-tng tranh cho vic cc tm bt b h ra lm b tng chui vao ng v tuyn ng c th b lch do b tng chn.

7. i vi ng m tng, sau khi tng xy xong v cha t mi c th thc hin c: Vch du tuyn ng trn tng, ct v c rnh trn tng lp ng v hp ni, nu c nhiu ng i trn mt tuyn th cc ng phi c lp cch nhau bng mt khong ng, khong cch t ng ngoi cng n mp tng ct s bng mt khong ng, cc ng s c c nh chc chn, dng va chn cht v t trc ph o tuyn ng. Trc khi t hon thin b mt tng, dng li mc co bao ph tuyn ng trnh tnh trng rng nt tng.

8. Kim tra, nh du tuyn ng hon thnh vo bn v thi cng. Lm yu cu t vn kim tra va nghim thu bng mu nghim thu thi cng.

9. V sinh toan b vt liu tha, gi khu vc thi cng sach va gon gangIII. KIM TRA CN CHNH:

1. Kim tra v hon thin ng ngng lp t xong: cch b tr, hng i, th t lp ng, khong cch gia cc ng

2. Kim tra cht cc cc khp ni ng

3. Kim tra cc h hng b mt ng

4. Cn chnh, khc phc cc li sau khi kim tra.

5. Kim tra v sinh ton b ng.

BIN PHAP THI CNG LP T MANG INI. CNG TAC CHUN BI:

1. Kim tra cac cng tac xy dng lin quan n cng tac lp t mng in a c thc hin xong.

2. Chun bi bin phap an toan:

Gian giao, chng, cum, sn thao tc, lan can, dy chng Dy ai an toan/ ai ton thn (nu c yu cu) Binh cha chay, quat thng gio, khay hng x hn hoc tm chn x - nu c yu cu Kinh eo mt an toan cho cng tac khoan ct v mt n han

Kim tra an toan thit bi in, n chiu sng cm tay (nu c yu cu), dy ngun v thit b cp ngun in thi cng

Giay, non bao h, gng tay v gng tay hn Bin bo khu vc lm vic, bng cnh bo an ton (nu c yu cu).

3. Ban ve thi cng v chi tit lp t a c ph duyt, phin ban mi nht, ban ve th hin y u cac chi tit:

nh v tuyn mng trn mt bng, cao lp, th t lp v khong cch gia cc mng... Loi mng cp v chi tit ph kin, nh: gi , gi treo, np mng, chuyn hng, chuyn cao , r nhnh, tng/ gim, kp gi, tm ni, m... hoc cc yu cu k thut in hnh... (nu c) hoc Ti liu k thut ca loi mng cp v cc ph kin s dng ... (nu c)

4. Chun bi vt t: Theo danh muc vt t lin quan, gm:

Mng in (thp m km/ sn tnh in)/ loi mng (khay cp, khay t l, thang cp, hp vung...), ph kin cc loi theo thit k.

Que hn, sn, gi lau, ct, mi... Vt v bu lng ni mng, bu-lng neo, Dy ni ng th, kp gi mng...5. Kim tra dung cu thi cng v thit b o am bao hoat ng tt va an toan.

Thy bnh, dy ri.

My hn in, my ct, my mi, my khoan cm tay,...Dng c thi cng c nhnII. LP T:

1. inh vi cc tuyn mng in theo ban ve thi cng, xc nh kich thc t truc tham chiu ti hin trng. Vch du v tr lp cc chi tit mng khng ch tuyn (gc, u cui, r nhnh) v kch thc tuyn theo kch thc thc t ca chi tit (u ln/ xung, r nhnh, chuyn hng...). anh du cac im treo/ mang v cc v tr cn khoan xuyn/ to l k thut trn kt cu.2. Khoan/ hn vo kt cu lp bu-lng n va gn gi treo/gia tai cac vi tri a anh du (xem hinh 1 chi tit treo, gia ). Phai chc chn ng mang thng va hng theo cac truc nh v sn.

3. Khoan l/ c l xuyn kt cu ti cc v tr vch sn v x l l khot (t b mt/ mi phng v sn dm...).

4. Lp t mang in trn cac gia treo/ mang a lp t va theo cao trinh thit k theo th t u tin lp cc chi tit u cui, gc v nhnh trc ri mi lp cc on thng ni gia cc chi tit ny li vi nhau sau. Cc vt ct ca cc on mng thng phi c mi ty g thp (bavia) ca vt ct, sn dm trc khi c lp ni tip vo on mng lp sn.

5. Ni dy ng th tai cac mi ni mang (nu c yu cu)

6. Lp cc tm chn, kt cu v chn khe h ti cac vi tri xuyn qua kt cu toa nha (xuyn tng, xuyn san) theo ung yu cu ky thut (xem hinh 2 chi tit xuyn tng/san).

7. Kim tra v hon thin mng in lp t xong: cao , th t lp mng, khong cch gia cc lp v trc chun, thng theo phng ngang/ phng thng ng (vi cc mng chy theo chiu thng ng) v dc trc, vng chc, khng b bin dng... Kim tra, b sung v sit cht bu-lng ni mng, b sung dy ng th (nu cn). Kim tra, ty cc g sc cnh trn mp mng v cc vt ct, sn dm ti cc v tr ct hoc try xc

8. Kim tra, nh du tuyn mng hon thnh vo bn v thi cng. Lm yu cu t vn kim tra va nghim thu bng mu nghim thu thi cng.

9. V sinh toan b vt liu tha, gi khu vc thi cng sach va gon gang.

10. Sau khi cng tc ko cp c thc hin xong, tip tc kim tra v sa cha cc mng cp b lch do thi cng ko cp ri mi tin hnh lp np mng cp.III. KIM TRA, CN CHNH MNG CP

1. Kim tra v hon thin mng in lp t xong: cao , th t lp mng, khong cch gia cc lp v trc chun, thng theo phng ngang/ phng thng ng (vi cc mng chy theo chiu thng ng) v dc trc, vng chc, khng b bin dng... Kim tra, b sung v sit cht bu-lng ni mng, b sung dy ng th (nu cn). Kim tra, ty cc g sc cnh trn mp mng v cc vt ct, sn dm ti cc v tr ct hoc try xc

2. Kim tra cc h hng v v sn

3. Cn chnh, khc phc cc li sau khi kim tra.

4. Kim tra v sinh ton b mng cp.

BIN PHAP THI CNG KEO RI DY I. CNG TAC CHUN BI:

1. Kim tra cac cng tac xy dng lin quan n cng tac ko dy thc hin xong. Cng tc lp ng in/ mng in a hon tt.

2. Chun bi bin phap an toan:

Gian giao, chng, cum, sn thao tc, lan can, dy chng, bnh xe... (ty iu kin lp t) Dy ai an toan/ ai ton thn (nu c yu cu) Quat thng gio (nu c yu cu), Kinh eo mt an toan cho cng tac ct

Kim tra an toan thit bi in, n chiu sng cm tay (nu c yu cu), dy ngun v thit b cp ngun in thi cng

Giay, non bao h v gng tay Bin bo khu vc lm vic, bng cnh bo an ton (nu c yu cu).

3. Ban ve thi cng v chi tit lp t a c ph duyt, phin ban mi nht, ban ve th hin y u cac chi tit :

nh v thit b cn ko dy, mt bng tuyn cp, nh s pha ngun cp, c dy, s dy hoc Bn v mt bng, s nguyn l th hin tit din cp, loi cp, cp in p, tn thit b hoc Bn v mt bng v s cp (nu c). Bn v in hnh th hin c dy v cch u ni vo thit b (nu c).4. Chun bi vt t:

Theo danh muc vt t lin quan, gm:

Dy v cp in cc loi

Dy mi, dy thng v chp u cp (p dng vi cp c ln)

Nhn cp, bng keo mu nh du dy/ u s/ ng du mu/ bt du...

Bng keo, ng co gin nhit, silicon (p dng vi cp ngm).

Dy buc cp, dy buc cc loi.

Gi lau, sp, cn...5. Kim tra dung cu thi cng v thit b o am bao hoat ng tt va an toan.

ng h vn nng k (VOM)/ ohm k, ng h o cch in ph hp

My ct, ca st, km ct cp, n kh...

Con ln thp, ng nha

Dng c thi cng c nhnII. LP T:

1. Tinh toan hoc o c thc t ti hin trng chiu dai dy cho tng tuyn v mau dy cho tng pha. Cun dy trc khi ct ra ko phi c kim tra bo m dy t cht lng. o cch in v thng mch dy t, nhn bn ngoi dy khng b xon hoc gy, v cp khng b nt v try xc qu mc, mu sc cha phai th mi c chp nhn s dng.

2. i vi tng cun dy, cc si dy di s c o c v ct trc, sau n cc si cp ngn hn bo m dy khng b vn.

3. Chun b dy ko cho tng tuyn. Dy trong tng ng n s c chun b thnh tng b ko thnh mt ln duy nht.

4. Khi x dy khi cun, phi xp v nn thng trc, anh du dy c hai u ca si dy. Khi xp cc tuyn li vi nhau phi nn thng v xp song song vi nhau sn. Lam nhan cho tng tuyn theo chiu dai dy c mi 5 met va tai cac im re nhanh trn mang in.

5. Bo dy gon gang keo qua ng theo thit k bng phng php ko v y: ko b dy mt u v u cn li c nn v y b dy lun qua d hn.

6. Vi trng hp ri cp trn mng in, cc cp ln v di s c ko trc v sp t nm st y mng, sau ko cc cp nh v ngn.

7. Cp ko xong tip tc c o kim tra thng mch, cch in v c kim tra bng mt c th tm ra cc h hng v do cng tc ko cp.

8. Cac u dy ch trc khi u v dy d phng phi c bng u dy va cun lai gon gang. Cc nhn cp/ nhn u dy phi hng ra ngoi v ln trn d nhn bit v tm kim sau ny.9. Sp xp li cp trn mng cp hoc hai u ng, buc c nh cp

10. Che bo v cp trn mng cp ti cc gc, cc v tr d b tip xc hoc hai u ng trnh cc h hng do va chm v .

11. Kim tra, nh du cc cp ko xong vo bn v thi cng/ s cp v tng hp khi lng. Lm yu cu t vn kim tra va nghim thu bng mu nghim thu thi cng.

12. V sinh toan b vt liu tha, gi khu vc thi cng sach va gon gang.III. KIM TRA, CN CHNH1. Kim tra tng th cng tc lp cp in, sp xp cp trn mng, vic c nh v u ni cp vo thit b.

2. Kim tra thng mch tt cc cp in cp ngun cho thit b.

3. Kim tra cch in cho ton b cp in

4. Kim tra cht ca cp in u ni vo thit b

5. Cn chnh, khc phc cc li sau khi kim tra.

IV. TH NGHIM, NG IN, KIM RA CP IN

1. Sau khi ng in dng ng h Megaom kim li cch in cho tt c cc cp in.

2. Kim tra thng mch tt cc cp in cp ngun cho thit b.

3. Kim tra cch in cho ton b cp in

4. Cn chnh, khc phc cc li sau khi kim tra.

5. Kim tra cht ca cp in u ni vo thit b

BIN PHAP THI CNG LP T THIT BI EN, QUT, CNG TC, CMI. CNG TAC CHUN BI:

1. Kim tra cac cng tac xy dng v cc cng tc thi cng lp t khc lin quan n cng tac lp t thit b (n, qut, cng tc, cm,...) nh lp ng in/ mng in, lp hp ni dy, ko cp in ... a c thc hin xong.

2. Chun bi bin phap an toan:

Gian giao, chng, cum, thang, sn thao tc, lan can, dy chng, bnh xe... (ty iu kin lp t) Dy ai an toan/ ai ton thn (nu c yu cu) Binh cha chay, quat thng gio, khay hng mt thp hoc tm chn x - nu c yu cu Kinh eo mt an toan cho cng tac khoan ct

Kim tra an toan thit bi in, n chiu sng cm tay (nu c yu cu), dy ngun v thit b cp ngun in thi cng

Giay, non bao h v gng tay Bin bo khu vc lm vic, bng cnh bo an ton (nu c yu cu).

3. Ban ve thi cng v chi tit lp t a c ph duyt, phin ban mi nht, ban ve th hin y u cac chi tit :

nh v thit b n, qut, cm, cng tc ... trn mt bng, cao lp, nh s pha ngun, k hiu thit b, kiu lp t... Bn v thit k lp t in hnh ca cc thit b cc hoc cc yu cu k thut in hnh... (nu c) hoc Ti liu k thut ca loi thit b cn lp t v cc ph kin s dng ... (nu c)

4. Chun bi vt t: Theo danh muc vt t lin quan, gm:

Thit b n, cm cng tc, thng gm cc chi tit:

n: Mng (hp n), bng, cha, np, tng-ph, mi, t in, hp u dy, ph kin treo...

Qut: Thn, cnh, chp, lng bo v, gi treo...

cm: V hp, np, cm, kp gi, vt...

Cng tc: V hp, np, cng tc, kp gi, vt...

Sn, gi lau, chi qut sn, cn, ct, mi...5. Kim tra dung cu thi cng v thit b o am bao hoat ng tt va an toan.

Thy bnh, dy ri, my kinh v, ng h vn nng k (VOM)

My ct, my mi, my khoan cm tay, my bn vt...

My ht bi

Dng c thi cng c nhnNu cn phi kim tra, nn lp sn mt b n (qut, cm, cng tc ...) mu v cho hot ng trc th chc nng v cch u niIII LP T:

1. inh vi vi tri thit bi theo tn, chng loi, kiu, cng sut ... v anh du vi tri lp t trn kt cu.

2. To l m (i vi trng hp thit b lp m trn/ m tng m khng c hp m tng lp sn).3. Lp cc chi tit treo/ gia cho thit bi theo chi tit ban ve thit k (xem hinh 1 chi tit tiu biu lp t thit bi). Thng thng, nu khng c ch nh no khc ca thit k th cc cao lp thit b c ch nh nh sau: cm c lp cao + 30cm so vi mt sn hon thin.

Cng tc c lp cao +140cm so vi mt sn hon thin.4. Lp t khung thit bi. Cn chinh khung phng v thng theo truc tham chiu ca cng trinh.

5. Lp c cu chinh: Nng v lp c cu chnh bng tay. Trc khi t c cu chnh vo c nh phi lun dy vo l ch/ hp u dy. bo m cht lng lp t v mt thm m, trnh lm bn thit b, cng nhn tham gia nng v lp c cu chnh phi dng gng tay hon ton mi hoc che cc im c kh nng tip xc ca c cu chnh vi tay cng nhn bng giy/ bng keo/ vi sch. Nu l m/ c cu chnh c bi bn phi ht bi/ lm sch trc khi a thit b vo. Ty tng trng hp, vi chi tit chnh ca thit b c th s khng c lp sn m phi ch n trc lc nghim thu mi c lp t nh: bong en, cng tc xoay ... nhm mc ch bo v thit b.

6. u dy vao thit bi theo ung th t pha v lam nhan dy ngay sau khi u. Phn dy cha phai c cun gon gang v b li.

7. Lp np y v dung bng keo/ tm nha/ tm xp sch... boc bo v thit bi, trnh bi bn hoc cc ph hy v ... sau khi lp xong.

8. Kim tra, nh du thit b lp t xong vo bn v thi cng. Lm yu cu t vn kim tra va nghim thu bng mu nghim thu thi cng.

9. V sinh toan b vt liu tha, gi khu vc thi cng sach va gon gang.

IV. KIM TRA CN CHNH:

1. Kim tra y cc nhn dn trn cm ghi ch cc line cp cp ngun cho cm, cng tc.

2. Kim tra v hon thin n chiu sng, cng tc, cm lp t xong: v tr, cao , khong cch gia cc n thng theo phng ngang/ phng thng ng.

3. Kim tra cc h hng cc n chiu sng, mt n cng tc, vng chc, khng b bin dng.

4. Kim tra u ni v cht ca bu-lng ni

5. Cn chnh, khc phc cc li sau khi kim tra.

6. Kim tra v sinh ton b n chiu sng, cng tc, cm...

V. TH NGHIM V NG IN:

1. Th nghim cch in thit b.

2. o kim tra in p cc pha.

3. ng in cp ngun cc cng tc, cm in.

4. o kim tra in p ngun cp cc cng tc, cm in.

5. o kim tra cch in cp in cp ngun cho cng tc n, cm..

6. M tng cng tc n kim tra sng tng n.

7. Kim tra nhy ca tng cng tc n, quan st cc cng tc n c b pht ra tia la in hay khng, nu pht hin s tin hnh kim tra, sa cha v thay th ngay lp tc.

8. Kim tra u vo v u ra ca cc thit b ng ct c m bo chm chp, pht sinh tia la in gy h hng thit b, nu ph hin s tin hnh kim tra, sa cha v thay th ngay lp tc.

9. Kim tra cc sng lin tc ca cc n, nu xy ra hin tng nhp nhy s tin cn chnh li cc bng n cho n khi t yu cu.

10. Bt tt c cng tc trong phng kim tra sng ca tt c n.

11. Dng ng h VOM kim tra li in p ti cc cm.

12. Dng ampe k (Ampe kim) kim tra dng in hot ng ca thit b.

13. Kim tra li cc nhn ghi ch cc l ra cp ngun cho cm c ng vi thc t kim tra hay khng, nu pht hin sai st phi tin hnh thay nhn mi cho ph hp .Kim tra v sinh ton b khu vc th nghim v hon tt cng tc kim tra.

14. Trnh t trn c thc hin di s gim st ca k s chuyn ngnh, c trch nhim v c ghi chp vo bin bn chy th.

15. Kt qu chy th tng phn cho thy h thng vn hnh tt, trn phng din k thut h thng t tiu chun a vo vn hnh thng xuyn.

16. Theo di tnh trng hot ng ca thit b, o c cc thng s k thut, ghi vo nht k ngy vn hnh.

17. Lp bin bn nghim thu cho cc cng tc trn.BIN PHAP THI CNG LP T THIT B T INI. CNG TAC CHUN BI:1. Kim tra cac cng tac xy dng lin quan n cng tac lp t thit b t in a c thc hin xong, nh l: khung thp v gi , b tng mng/ b my v mng cp, bu-lng mng, cng tc lp t ca ng in/ mng cp Kim tra v tr lp t: phng v cao / kch thc ca b / mng v chun b cc tm thp (tm cn thp) iu chnh bng phng

Kim tra ng vn chuyn v cc khong khng gian cn thit vn chuyn thit b v ph kin

Kim tra cc h hng m c th gy ra trong qu trnh vn chuyn v lm bo co/ ch trn phiu giao hng ca Nh sn xut

Kim tra xem thit b c b bn hoc r st do iu kin lu kho hay khng

2. Chun bi bin phap an toan:

Gian giao, chng, cum, sn thao tc, lan can, dy chng, dy cu sinh v li an ton (nu c yu cu) Dy ai an toan/ ai ton thn (nu c yu cu) Binh cha chay, quat thng gio, khay hng x hn hoc tm chn x - nu c yu cu Kinh eo mt an toan cho cng tac khoan v mt n han

Kim tra an toan thit bi in, n chiu sng cm tay, dy ngun v thit b cp ngun in thi cng

Giay, non bao h, gng tay v gng tay hn Bin bo khu vc lm vic, bng cnh bo an ton (nu c yu cu).3. Ban ve thi cng v chi tit lp t a c ph duyt, phin ban mi nht, ban ve th hin y u cac chi tit :

B / mng/ khung/ gi v v tr/ hng v cao lp ca thit b Bn v thit k chi tit th hin loi/ kch c ca cc tuyn ra/ vo thit b, cch lp t/ u ni/ tuyn i/ cao nh: thanh dn (Busduct), mng cp hoc ng cp Bn v thit k chi tit th hin cc ph kin/ cu kin v cc kch thc lp t v/ hoc S tay hng dn lp t ca thit b v cc cu kin v cc ph kin khc4. Chun bi vt t: Tham kho danh mc vt liu c lin quan T in v cc cu kin v cc ph kin theo hng dn ca Nh ch to v thit k. Que hn, sn, gi lau sch, ct, mi, du bi trn... Vt liu v sinh thit b in nh: vi sch, gi sch, cn, xng nh... Bu-lng cho u ni cp, bu-lng n/ bu-lng hm hoc tm chn, ray v cc kp (nu c) Ph kin v gi cho tuyn cp/ busduct/ thanh dn/ mng cp/ ng cp vo/ ra thit b Ph kin cp v u ni5. Kim tra dung cu thi cng v thit b o am bao hoat ng tt va an toan.

Thit b o: thy bnh, dy ri, my kinh v, o gc, thc thp, thc ngm...

Thit b o in: Ohm k v Volt k (VOM), ng h o cch in (500V - 1000V 2500V)...

My hn in, my ct, my mi, my khoan cm tay, my roa l ,... (nu c yu cu)

Pa-lng, dy cap thep v con i ph hp vi trng lng lp t v iu kin thi cng. T-vt, thp tm v thp thanh lm b tm v khung Dng c thi cng cm tay v c-l lc (nu c yu cu).II. THAM KHO:

1. Bin php lp t ng in/ mng cp/ ng hp

2. Bin php ko cp/ u ni

3. Bin php lp t h thng chng st/ tip a

4. Bin php lp t qut thng gi

III. LP T:

1. nh v thit b ti hin trng lp t v lm du trn b mt bng cc ng/ im hoc vt ca khung 2. Khoan l ca bu-lng gi (nu cn) v hn lp khung / gi (ty yu cu). Trng hp bu-lng mng l loi c sn trong b-tng cn kim tra ta bu-lng v iu chnh n sai s tha mn yu cu trc khi tin hnh cng tc lp t3. Tm thi che ph thit b v cc cu kin ca n trnh cc h hng v c th gy ra trong qu trnh lp t thit b nh: ng h, bng hin th, n bo, l thm ... bng cc tm g/ xp/ bt/ vi4. DI chuyn: M kin thit b kim tra thit b v cc ph kin ca n bo m cc cu kin v ph kin tng thch vi danh mc thit b v ang c gi trong iu kin tt Nng v di chuyn thit b bng xe nng/ cu ln t ti chuyn n v tr lp v h xung b tm hoc b / mng thit b.5. Lp t: Dng xe nng/ xe nng tay/ xe y nng v chuyn v t thit b ln v tr lp t nh du trc .

iu chnh cao v v tr thit b trn mng/ khung/ gi bng thy bnh v dy ri.

Sit cht bu-lng gi v bu-lng mng

Tip tc ghp cc t khc vo t in lp v sit bu-lng ni (trng hp cc t t t st nhau

V sinh t in lp t v cc ph kin Lp t cc thanh dn trong t, iu chnh cho ngay ngn v thng, sit bu-lng ni Lp t cp ni b t v u ni nh du v khot l trn tm cp. Lp cc c cp trn tm cp Lun cp t ngoi ( ko sn) vo t in, kim tra cp v thng mch v cch in, u ni cp v tip a Lp thanh dn. thanh dn hp (nu c) Lp cc tm che ca v t Che ph bo v hin trng thit b lp t v cc ph kin nh... Cung cp in tm cho cc b sy (nu c)6. Kim tra v nh du thit b lp t vo bn v. Gi yu cu kim tra v nghim thu n b phn t vn bng formV sinh, vn chuyn rc v cc vt t tha ra khi hin trng, gi cho hin trng sch s v gnIV. KIM TRA CHAY TH:

1. Kim tra cc thng s nh mc trn nhn thit b2. Kim tra tng th cng tc lp thit b, bu-lng ni v bng phng3. Kim tra cc h hng v v sn4. Kim tra thit b v nhn ca mch in5. Kim tra u ni v cht ca bu-lng ni6. Kim tra cc mi ni thanh dn v gi , thanh dn iu khin, thanh trung tnh v cc mi ni v kim tra lc sit bu-lng trn cc mi ni7. Kim tra cc thanh tip a v cc mi ni8. Kim tra cp in v u ni9. Kim tra cc b sy chng ngng t nc10. Kim tra chc nng vn hnh ca cc thit b ng ct

11. Kim tra c cu ko chuyn ca cc thit b ng ct12. Kim tra danh nh ca cc cu ch bo v v cc thng s ci tII TH NGHIM V NG IN:

1. Th nghim cch in2. Kim tra n/ mch ch th v tn hiu ch th

3. t gi tr r-le bo v v th nghim cc hot ng

4. Th nghim cc tnh VT v CT

5. Ci t gi tr hot ng cho cc R-le

6. Th hot ng v th t mch theo bn v s vi cc mch cp ngun m-t

7. Th th t pha

8. Th in p tng cao (vi thit b ct trn 1000V)

9. Kim tra lc sit bu-lng trn cc im ni thanh ci chnh

10. Lm v sinh v lp tr li np che

11. ng in vo thit b theo quy trnh ca nh sn xut v h thng BIN PHAP THI CNG H THNG CHNG ST - TIP AI. CNG TAC CHUN BI:

1. Kim tra cac cng tac xy dng lin quan n cng tac thi cng h thng chng st v tip a: H thng tip a ng th v li tip a c th c thi cng cng lc hoc khi phn mng kt cu c thc hin xong v cha thi cng nn. H thng chng st v tip a lm vic trong nh ch c thc hin sau khi cng tc thi cng xy dng phn kt cu v mi xong.2. Chun bi bin phap an toan:

Gian giao, chng, cum, sn thao tc, lan can, dy chng Dy ai an toan/ ai ton thn (nu c yu cu) Binh cha chay, quat thng gio, khay hng x hn hoc tm chn x - nu c yu cu Kinh eo mt an toan cho cng tac khoan ct v mt n han

Kim tra an toan thit bi in, n chiu sng cm tay (nu c yu cu), dy ngun v thit b cp ngun in thi cng

Giay, non bao h, gng tay v gng tay hn Bin bo khu vc lm vic, bng cnh bo an ton (nu c yu cu).

Ch c thi cng h chng st trn mi trong iu kin thi tit tt, khng c my m hoc ma dng3. Ban ve thi cng v chi tit lp t a c ph duyt, phin ban mi nht, ban ve th hin y u cac chi tit :

Bn v mt bng li tip a v v tr bi tip a, th hin khong cch gia cc dy/ cc tip a, loi dy/ cc tip a s dng, v tr h thm, cc im kt ni gia li tip a v h thng thu st/ h tip a lm vic. Chi tit vt liu s dng cho mng/ h tip a, cao / kt cu ca mng/ h tip a... Bn v mt bng/ mt ct v chi tit lp t dy tip a lm vic, im t v chi tit trm ni tip a trong nh, cc chi tit vt liu s dng nh kp cp, kp ng, ng, gi ... Bn v mt bng h thng chng st, th hin khong cch gia cc thanh ng, hng i cp dn st, im ln/ xung ca cp dn st. Bn v chi tit lp t dy dn st v ng bo v, kp cp, hp ni dy, cc loi vt liu s dng v kiu lp t ... Ti liu k thut ca cc loi vt liu h thng tip a c s dng nh thuc hn, khun hn, cht gim in tr t... (nu c) Ti liu k thut ca cc loi thit b ca h thng chng st nh u thu, cp dn st... (nu c)

4. Chun bi vt t: Theo danh muc vt t lin quan, gm:

Thanh ng, gi kim thu st, dy dn st, dy/ cc tip a, kp dy dn st, ph kin khc...

ng bo v, gi /kp ng, hp ni dy, trm ni tip a, s cch in, thanh ci tip a...

Vt liu gim in tr t, khun hn, thuc hn, que hn, h thm

Sn, gi lau, ct, mi, chi thp... Bu-lng n, bu-lng U, bu-lng/vt, u lt ng...5. Kim tra dung cu thi cng v thit b o am bao hoat ng tt va an toan.

Thy bnh, dy ri, Ohm k (VOM), my o in tr t

My hn in (nu c yu cu), my ct/ km ct cp, my mi, my khoan cm tay, n kh...

II) LP T:

1. inh vi vi tri coc tip t, li dy tip a va cc h thm, xc inh kch thc h o trn thc a v dch chuyn nu cc v tr ny ct cc kt cu xy dng c sn cp nht vo bn v thi cng.

2. Khoan l cc tip a, hn dy ni vo cc, th cc tip a vo l khoan v y n su thit k. Trn v ha cht gim in tr vo h (nu c yu cu).3. Vi trng hp cc tip a ng: o h quanh v tr cc vi chiu su y h o phi thp hn nh cc hon thin khong 10-15cm, lm gin gio/ sn thao tc (nu c yu cu) ng cc. ng cc bng ba hoc n bng my/ c cu kch n su thit k.

4. o rnh tip a n su thit k v iu chnh su hoc hng i ca rnh dy tip a hon thin khng ct ngang hoc chm vo kt cu xy dng c sn.

5. Ri dy tip a. Dy phi c nn thng v p st xung y rnh tip a.

6. V sinh u cc tip a v u dy tip a ti im ni:

a) Mi ni hn: hn ni dy vo u cc, kim tra cht lng mi hn bng mt v c kh sa cha khi khng t. Mi ni hn t nu vt hn khng b r t ong v chu ng c vt p ba trung bnh. X l chng r bn ngoi mi ni (nu c yu cu)

b) Mi ni dng bu-lng/ kp: lp ni dy vo u cc bng bu-lng ni, kim tra cht lng mi ni bng mt v cht bu-lng ni, sa cha khi khng t. Mi ni t nu dy tip a khng b cong vnh hay gy v m u u cc, bu-lng sit cht v thng. o thng mch dy v cc, x l chng r bn ngoi mi ni (nu c yu cu)

7. Trn v hoa cht giam in tr vao rnh o.

8. Lp t h o v rnh theo tng lp dy 200-300mm, ti nc v m cht theo yu cu thit k. Cc u dy cha li ln thit b v vo h thng thu st/ tip a lm vic c bc kn v nh du

9. o kim tra in tr ni t at theo yu cu, phi lu h s ma trong kt qu o. X l nu khng t.

10. Lp t h thm/ hp o in tr t ti v tr ch nh.

11. Lp gia va ng lun cho dy tip a t cc trm tip a lm vic n hp o in tr t/ ng lun cap dn set t im lp thanh chng st n im ni t,. Lp gia , kp cp ... cho dy tip a v dy dn st.

12. Ko ri/ lp cp tip a v cp dn st t h thm/ hp o in tr t n im t cc trm ni t lm vic/ im ni t ca kim thu st.

13. Lp li chng st.

14. S dng cc kp thanh ng lin kt li chng st.

15. Chng thm nc ti cc im lp ng lt cp dn st ....

16. u dy dn st/ tip a lm vic vo h thm/ hp o in tr t.

17. Kim tra, nh du h tip a/ tip a lm vic/ h thu st hon thnh vo bn v thi cng. Lm yu cu t vn kim tra va nghim thu bng mu nghim thu thi cng.

18. V sinh toan b vt liu tha, gi khu vc thi cng sach va gon gang.

III. KIM TRA HON THIN H THNG TIP A AN TON1. Kim tra y cc h tip a v cc mi hn bn trong h.

2. o kim tra in tr ni t t theo yu cu.

3. o kim tra in tr ni t t theo yu cu (do mt Trung tm kim nh c lp thc hin)

4. Cn chnh, khc phc cc li sau khi kim tra.

IV. KIM TRA HON THIN H THNG CHNG ST & TIP A.1. Kim tra y cc h tip a v cc mi hn bn trong h.

2. Kim tra cc mi hn, cc kp lin kt cc thanh thot st.

3. Kim tra cc gi cc thanh thot st c m bo chc chn, sit cht cc bu lng.

4. Cn chnh, khc phc cc li sau khi kim tra.

5. o kim tra in tr ni t t theo yu cu (do mt Trung tm kim nh c lp thc hin)

6. Kim tra v sinh ton b khu vc

CH HUY TRNG

Nguyn Tn MinhCONG TY CP KY THUAT CONG NGHE SAI GON

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