tcvn 5308 1991

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Tiu chun vit nam TCVN 5308 : 1991

Tiu chun bt buc p dng ton phn

Quy phm k thut an ton trong xy dngCode of Practice for building safety technique

Tiu chun ny thay th cho QPVN 14 : 1979.

Tiu chun ny p dng chung cho tt c cc t chc quc doanh v ngoi quc doanhthuc mi ngnh kinh t c lm cng tc xy dng.

1. Quy nh chung1.1. Quy phm ny quy nh nhng yucu v k thut an ton lao ng v p dng khi:

Lp lun chng kinh t k thut cc cng trnh xy dng.

Lp n thit k t chc xy dng, thit k thi cng cc cng trnh xy dng (dn

dng v cng nghip, giao thng, thu li, thu in) trong cc tr|ng hp xy dngmi, ci to, m rng, sa cha hoc ph d.

Tin hnh thi cng cc cng trnh xy dng.

1.2. Ngoi nhng yu cu trong quy phm ny, khi thit k v thi cng cn phi tun theocc quy phm, tiu chun hin hnh khc c lin quan n an ton lao ng, v sinhlao ng v phng chng chy.

1.3. Khi ch|a c y cc h s (ti liu) thit k t chc xy dng v thit k thi cngth khng |c php thi cng. Trong tc ti liu phi th hin cc bin php mbo an ton lao ng, v sinh lao ng, v phng chng chy.

1.4. Lnh o cc n v thi cng: Gim c, i tr|ng, t tr|ng sn xut. tr|ng ccphng ban, cn b chuyn trch an ton lao ng, phi thc hin y v ng nch trch nhim v bo h lao ng theo quy nh hin hnh.

1.5. Trch nhm v vic thc hin cc yu cu an ton khi s dng my (dng c, thitb thi cng) k c cc ph|ng tin bo v tp th v bo v c nhn cho nhng ng|ilm vic quy nh nh| sau:

Tnh trng k thut ca my v ph|ng tin bo v thuc trch nhim ca n vqun l chung.

Vic hun luyn v h|ng dn v an ton lao ng thuc trch nhim ca n vqun l ng|i lm vic.

Vic tun theo cc yu cu v bo h lao ng khi thi cng thuc trch nhim ca

n v tin hnh cng vic.1.6. Trn mt cng tr|ng, nu c nhiu n v cng phi hp thi cng th n v ph

trch thi cng chnh tng B phi phi hp vi cc n v thi cng khc ra nhngbin php bo m an ton lao ng chung v phi cng nhau thc hin. Nhng nithi cng xen k nhiu n vi th phi thnh lp ban gim st an ton chung kim travic thc hin

1.7. Khi thi cng ti a im ca mt c s ang hot ng th gim c cc n v xylp phi cng vi th tr|ng n v c s ra cc bin php bo m an ton

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chung. Cc bin phi thc hin y v kp thi, nh| bin php an ton chungthuc phm vi trch nhim ca n v mnh.

1.8. Cng nhn lm vic trn cng tr|ng phi c y cc tiu chun sau:a. tui theo quy nh ca nh n|c i vi tng loi ngh.b. C giy chng nhn bo m sc kho, theo yu cu ngh do c quan y t

cp. nh k hng nm phi |c kim tra sc kho t nht mt ln: Tr|ng hpphi lm vic trn cao, d|i n|c, trong hm kn, hoc ni nng, bi, c hiphi c ch kim tra sc kho ring do c qan y t quy nh. Khng |c btr ph n c thai, c con nh d|i 9 thng, ng|i c cc bnh (au tim, tai icmt km...) hoc tr em d|i 18 tui lm cc vic ni trn.

c. C giy chng nhn hc tp v kim tra t yu cu v an ton lao ng phhp vi tng ngnh ngh do gim c n v xc nhn.

d. |c trang b y cc ph|ng tin bo v c nhn ph hp vi iu kinlm vic theo ch quy nh.

1.9. Cng nhn tm tuyn v hc sinh hc ngh phi c tiu chun nh| quy nh iu l.8Gim c x nghip c trch nhim:

Quy nh ng|i h|ng dn v gim st v an ton mt cch cht ch;

Kim tra vic cung cp cc ph|ng tin bo v c nhn ng ch quy nh;

Ring i vi ng|i tham gia lao ng cng ch, hoc khch tham quan phi |cph bin ni quy an ton v c ng|i h|ng dn.

1.10. Cm ung r|u tr|c v trong qu trnh lm vic. Khi lm vic trn cao, d|i hmsu hoc ni d b nguy him cm ung r|u, bia v ht thuc.

Cng nhn lm vic trn cao v d|i hm su phi c ti ng dng c ngh.

Cm vt, nm cc loi dng c, ngh trn cao xung.

1.11. Ch nhng cng nhn bit bi mi |c lm vic trn sng n|c v phi |c y thuyn, phao v cc dng c cp cu cn thit khc theo ng ch qui nh.

i vi th ln phi thc hin y cc quy nh v ch lm vic, bi d|ng vbo v sc kho.

Tt c thuyn, phao v cc dng c cp cu khc phi |c kim tra m bo chtl|ng tr|c khi em s dng.

1.12. Cng nhn lm vic trn cng tr|ng phi s dng ng n cc ph|ng tin bo vc nhn |c cp pht; Khng |c i dp l hay i guc v phi mc qun ogn gng.

1.13. Lnh o cc n v thi cng phi thc hin ch s dng lao ng n theo ngcc quy nh ti Thng t| 09 ngy 29.08.1986 ca Lin B Lao ng - Y t.

1.14. Khi lm vic t cao 2m tr ln hoc ch|a n cao nh|ng d|i ch lm vicc cc vt ch|ng ngi nguy him th phi trang b dy an ton cho cng nhn hocl|i bo v nu khng lm |c sn thao tc c lan can an ton.

Cn b k thut thi cng phi h|ng dn cch mc dy an ton cho cng nhn.Khng cho php cng nhn lm vic khi ch|a eo dy an ton.

1.15. Khng |c thi cng cng mt lc hai hoc nhiu tng trn mt ph|ng thngng n khng c thit b bo v an ton cho ng|i lm vic d|i.

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1.16. Khng |c lm vic trn dn gio, ng khi, i n|c, ct in, tr hoc dm cu,mi nh hai tng tr ln v.v..., Khi tri ti, lc m|a to, ging, bo hoc c gi t cp5 tr ln.

1.17. Sau mi t m|a bo, c gi ln hoc sau khi ngng thi cng nhiu ngy lin phikim tra li cc iu kin an ton tr|c khi thi cng tip, nht l nhng ni nguyhim c kh nng xy ra tai nn.

1.18. Lm vic d|i cc ging su, hm ngm, trong cc thng kn phi c bin php vph|ng tin phng kh c hoc sp l. Tr|c v trong qu trnh lm vic phi cch kim tra cht ch v c ng|i trc bn ngoi nhm bo m lin lc th|ngxuyn gia bn trong v bn ngoi v kp thi cp cu khi xy ra tai nn.

1.19. Trn cng tr|ng phi b tr h thng n chiu sng y trn cc tuyn |nggiao thng i li v cc khu vc ang thi cng v ban m. Khng cho php lm vic nhng ch khng |c chiu sng.

1.20. Khi thi cng trn nhng cng trnh cao phi c h thng chng st theo cc quy nhhin hnh.

1.21. Trn cng tr|ng phi c cc cng trnh phc v cc nhu cu v sinh hot, v sinhcho cn b cng nhn nh|: trm x, nh n, nh ngh gia ca, ln tr m|a nng, nitm ra, v sinh i tiu tin, v sinh kinh ngt v.v...

1.22. Phi cung cp n|c ung cho nhng ng|i lm vic trn cng tr|ng. N|c ungphi m bo yu cu v sinh. Thng ng n|c phi c np y kn, c vi vn,hoc go mc ring. C dng c ung.

1.23. Trong qu trnh thi cng xy dng gim c x nghip phi ch o thc hin ccbin php ci thin iu kin lao ng cho cng nhn, gim nh cc khu lao ngth cng nng nhc, ngn nga, hn ch cc yu t c hi gy nh h|ng xu nsc kho hoc gy ra cc bnh ngh nghip.

1.24. Cn b, cng nhn lm vic trong nhng iu kin chu nh h|ng ca cc yu tc hi v|t qu tiu chun cho php phi |c bi d|ng ti ch bng hin vt theong ch hin hnh.

1.25. Cng tr|ng phi c s nht k an ton lao ng v ghi y tnh hnh s c, tainn, bin php khc phc v x l trong qu trnh thi cng cc kin ngh v BHLca cn b an ton lao ng on thanh tra an ton v bin php gii quyt ca ng|ich huy cng tr|ng thc hin ng n ch thng k bo co phn tch tai nnlao ng v bnh ngh nghip.

2. T chc mt bng cng tr|ng2.1. Yu cu chung2.1.1. Xung quanh khu vc cng tr|ng phi ro ngn v b tr trm gc khng cho

ng|i khng c nhim v ra vo cng tr|ng. Tr|ng hp c |ng giao thngcng cng chy qua cng tr|ng th c th m |ng khc (sau khi |c c quanhu quan v a ph|ng ng ). Nu khng m |c |ng khc phi c binbo hai u on |ng chy qua cng tr|ng cc ph|ng tin giao thng quali gim tc .

2.1.2. mi cng tr|ng phi c bn v tng mt bng thi cng, trong phi th hin:V tr cng trnh chnh, ph v tm thi;

V tr cc x|ng gia cng, kho tng, ni lp rp cu kin, my thit b phc v thicng;

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Khu vc sp xp nguyn vt liu, ph liu, kt cu btng c sn;

Khu vc nh nh lm vic, nh n v nh v sinh ca cn b cng nhn;

Cc tuyn |ng i li, vn chuyn ca cc ph|ng tin c gii v th cng

H thng cc cng trnh cp nng l|ng, n|c phc v thi cng v sinh hot.

2.1.3. Trn mt bng cng tr|ng v cc khu vc thi cng phi c h thng thot n|cbo m mt bng thi cng kh ro sch s. Khng ng n|c trn mt |nghoc n|c chy vo h mng cng trnh.

Nhng cng tr|ng gn bin, sng, sui phi c ph|ng n phng chng l lt.i vi cc cng tr|ng xy dng p n|c, trm bm, trm thu in... m l|ngn|c ngm ln phi c quai chc chn v phi c bin php thot n|c bo man ton trong mi tnh hung.

2.1.4. Cc cng trnh ph tr pht sinh cc yu t c hi phi b tr ca h|ng gi vphi bo m khong cch n ni ca cn b cng nhn cng tr|ng v dn c|a ph|ng theo ng quy nh ca Bn iu l v sinh do B Y t ban hnh.

2.1.5. Mt bng khu vc ang thi cng phi gn ngng ngn np, v sinh: Vt liu thi vcc vt ch|ng ngi phi |c dn sch.

2.1.6. Nhng ging, hm, h trn mt bng v nhng l trng trn cc sn tng cc cngtrnh phi |c y kn m bo an ton cho ng|i i li hoc ro ngn chc chn.

Nhng |ng ho, h mng nm gn |ng giao thng phi c ro chn cao 1m,ban m phi c n bo hiu.

2.1.7. Khi chuyn vt liu tha, vt liu thi t trn cao (trn 3 mt) xung phi c mngtr|t hoc cc thit b nng h khc. Ming d|i mng tr|t t cch mt tkhng qu lm. Khng |c vt liu tha, thi t trn cao xung khi khu bnd|i ch|a ro chn, ch|a t bin bo v ch|a c ng|i cnh gii.

2.1.8. Nhng vng nguy him do vt c th ri t do t trn cao xung phi |c rochn, t bin bo, hoc lm mi che bo v. Gii hn ca vng nguy him ny|c xc nh theo bng 1.

Bng 1

Gii hn vng nguy him

cao c th rica vt (m) i vi nh hoc cng trnh ang

xy dng (tnh t chu vi ngoi)

i vi khu vc di chuyn ti(tnh t hnh chiu bng theo kchth|c ln nht ca ti di chuyn

khi ri)

n 20

Trn 20 n 7070 - 120

120 - 200

200 - 300

300 - 450

5

710

15

20

25

7

1015

20

25

30

2.1.9. Khu vc ang tho d vn khun, dn gio, cng trnh c; ni lp rp cc b phnkt cu ca cng trnh, ni lp rp ca my mc v thit b ln; khu vc c kh

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c; ch c cc |ng giao thng ct nhau... phi c ro chn hoc bin bo (ktcu ca ro chn phi ph hp vi cc yu cu ca tiu chun v hng ro cngtr|ng v cc khu vc thi cng xy lp) hin hnh. Ban m phi c n bohiu.

2.2. |ng i li vn chuyn2.2.1. Ti cc u mi giao thng trn cng tr|ng phi c s ch dn r rng tngtuyn |ng cho cc ph|ng tin vn tai c gii, th cng. Trn cc tuyn |ng

ca cng tr|ng phi t h thng bin bo giao thng ng vi cc quy nh calut an ton giao thng hin hnh ca B Giao thng vn ti.

2.2.2. |ng vn chuyn ct qua cc h rnh phi:Lt vn dy 5cm (khi h rnh c chiu rng nh hn l,5m v dng ph|ng tin thcng vn chuyn). u vn phi gi ln thnh t lin ca b h rnh t nht l50cm, v c cc gia gi chc chn;

Lm cu, hoc cng theo thit k (khi h rnh c chiu rng ln hn l,5m hocchiu rng nh hn l,5m nh|ng dng ph|ng tin c gii vn chuyn).

2.2.3.

Chiu rng |ng |ng t ti thiu l 3,5m khi chy chiu v rng 6m khi xechy 1 chiu. Bn knh vng ti thiu l l0m.

2.2.4. Ch giao nhau gia |ng st v |ng t phi lm nn lin, c ray p t cng cao ngang vi nh ray. Chiu rng |ng t ch giao nhau vi |ng st tithiu l 4,5m. Hai on |ng t hai bn giao ct vi |ng st trong khong25m phi lt . dc on |ng t n ch giao nhau vi |ng st khngv|t qu 5%.

Ch t bin bo, t trm gc phi theo ng quy nh ca B Giao thng vnti.

2.2.5. Khi phi b tr |ng vn chuyn qua d|i nhng v tr, cng trnh ang c bphn thi cng bn trn hoc cc b phn my, thit b ang vn hnh bn trn th

phi lm sn bo v bn d|i.2.2.6. |ng hoc cu cho cng nhn vn chuyn nguyn vt liu ln cao, khng dc

qu 300v phi to thnh bc. Ti cc v tr cao v nguy him phi c lan can bov.

2.2.7. Cc li i vo nh hoc cng trnh ang thi cng tng trn phi l nhng hnhlang kn, kch th|c mt ct sao cho ph hp vi mt ng|i v thit b dng cthi cng phi chuyn qua hnh lang.

2.2.8. |ng dy in bc cao su i qua |ng vn chuyn phi mc ln cao hoc lunvo ng b v |c chn su d|i mt t t nht l 40cm. Cc ng dn n|c phichn su d|i mt t t nht l 30cm.

2.3. Xp t nguyn vt liu, nhin liu, cu kin v thit b.2.3.1. Kho bi sp xp v bo qun nguyn vt liu, cu kin, thit b phi |c nh

tr|c trn mt bng cng tr|ng vi s l|ng cn thit cho thi cng. a im cckhu vc ny phi thun tin cho vic vn chuyn v bc d.

Khng |c sp xp bt k mt vt g vo nhng b phn cng trnh ch|a n nhhoc khng m bo vng chc.

2.3.2. Trong cc kho bi cha nguyn vt liu, nhin liu, cu kin, thit b phi c|ng vn chuyn. Chiu rng ca |ng phi ph hp vi kch th|c ca ccph|ng tin vn chuyn v thit b bc xp.

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Gia cc chng vt liu phi cha li di li cho ng|i, rng t nht l 1m.

2.3.3. Nguyn vt liu, nhin liu, cu kin, thit b phi t cch xa |ng t, |ngst |ng cn trc t nht l 2m tnh t mp |ng gn nht ti mp ngoi cngca vt liu (pha gn |ng).. Cn xp t hng trn cc tuyn |ng qua li.

2.3.4. Vt liu ri, (ct, dm, si, x v.v...) thnh bi nh|ng phi m bo s nnh ca mi dc t nhin.

2.3.5. Vt liu dng bt (xi mng, thch cao, vi bt v.v:..) phi ng bao hoc chatrong thng kn, xi l, bunke..., ng thi phi c bin php chng bi khi xp d.i vi cc thng ln cha vt liu dng bt phi c np hoc l|i bo v; Ch chophp cng nhn vo trong cc xil v bunke khi c cn b k thut thi cng h|ngdn v gim st v phi c cc trang b chuyn dng cho cng nhn... m boan ton nh| ti ko, dy an ton... Bn trong thng phi |c chiu sng y .Khi c ng|i lm vic trong cc kho ln, phi c ng|i ngoi theo di.

2.3.6. Cc nguyn liu lng v d chy (xng, du, m v.v...) phi bo qun trong khoring theo ng cc quy nh phng chng chy hin hnh.

2.3.7. Cc loi axit phi ng trong cc bnh kn lm bng s hoc thu tinh chu axit vphi trong cc phng ring c thng gi tt. Cc bnh cha axit khng |c xpchng ln nhau. Mi bnh phi c nhn hiu ghi r axit, ng sn xut.

2.3.8. Cc cht c hi, vt liu n, cc thit b chu p lc phi bo qun, vn chuyn vs dng theo cc quy phm k thut an ton ho cht, vt liu n v thit b p lchin hnh.

2.3.9. Khi sp xp nguyn vt liu trn cc b ho hsu phi tnh ton khong cchtheo quy nh ca mc 12 quy phm ny.

2.3.10. hc, gch lt, ngi xp thnh tng vung khng cao qu lm. Gch xy xpnm khng cao qu 25 hng.

2.3.11. Cc tm sn, tm mi xp thnh chng khng |c cao qu 2,5m k c chiu dycc lp m lt.Tm t|ng phi xp gia cc khung thng ng hoc cc gi ch A. Tmvch ngn ch |c trong cc khung gi theo v tr thng ng.

2.3.12. Cc khi mng, khi t|ng hm, cc khi v tm k thut v sinh, thng gi, khing thi rc xp thnh chng nh|ng khng cao qu 2,5m k c chiu dy cc lpm lt.

2.3.13. Ct v x xp thnh chng cao khng qu 2m k c cc lp m lt. Dm xp 1hng theo v tr lm vic ca chng c g lt t cch nhau khng qu l/5 chiudi dm k t 2 u dm.

2.3.14. Cc loi khi v tm khc xp thnh tng chng nh|ng khng cao qu 2,5m k ccc lp m.

2.3.15. Vt liu cch nhit xp thnh chng cao khng qu l,2m v |c bo qun trongkho kn, kh ro.

2.3.16. Cc loi ng thp c |ng knh d|i 300mm xp theo tng lp nh|ng khng caoqu 2,5m v phi c cc chng gi chc chn.

Cc loi ng thp c |ng knh t 300mm tr ln, cc loi ng gang xp thnhtng lp nh|ng khng cao qu l,2m v phi c cc chng gi chc chn.

2.3.17. Thp tm, thp hnh, thp gc xp thnh tng chng nh|ng khng cao qu l,5m.

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Cm dy dn in thi cng v cc dy in hn tip xc vi cc b phn dn inca cc kt cu ca cng trnh.

3.8. Cc thit b in, ,cp, vt tiu th in v.v... trn cng tr|ng (khng k trongkho) u phi |c coi l in p, khng ph thuc vo vic chng mc vo l|iin hay ch|a.

3.9. Cc thit b ng ct in dng ng ct l|i din chung tng hp v cc |ngdy phn on cp in cho tng khu vc trn cng trnh phi |c qun l cht chsao cho ng|i khng c trch nhim khng th t ng ng ct in.

Cc cu dao cp in cho tng thit b hoc tng nhm thit b phi c kha chcchn.

Cc thit b ng ct in, cu dao... phi t trong hp kn, t ni kh ro, an tonv thun tin cho thao tc v x l s c.

Khi ct in, phi bo m sao cho cc cu dao hoc cc thit b ct in khckhng th t ng mch. Tr|ng hp mt in phi ngt cu dao phng ccng c in khi ng bt ng khi c in tr li.

3.10.

Phi c bin php trnh hin t|ng ng ct nhm |ng dy, thit b in. phch cm dng cho thit b in di ng phi ghi r cng sut ln nht ca chng.Cu to ca nhng v phch ny phi c tip im sao cho cc ca dy bo v (nit hoc ni khng) tip xc tr|c so vi dy pha khi ng v ng|c li ng thiloi tr |c kh nng cm nhm tip im.

Cng tc in trn cc thit b l|u ng (tr cc n l|u ng) phi ct |c tt ccc pha v lp ngay trn v thit b . Cm t cng tc trn dy di ng.

3.11. Tt c cc thit b in u phi |c bo v ngn mch v qu ti. Cc thit b bov (cu chy, rle, ptmt...) phi |c chn ph hp vi in p v dng in cathit b hoc nhm thit b in m chng bo v.

3.12.

Tt c cc phn kim loi ca thit b in, cc thit b ng ct in, thit b bo vc th c in. p khi b phn cch in b hng m ng|i c kh nng chm phiu phi |c ni t hoc ni khng bo v theo TCVN " quy phm ni t v nit khng cc thit b in".

Nu dng ngun d phng c lp cp in cho cc thit b in khi l|i inchung b mt th ch trung tnh ca ngun d phng v bin php bo v phi phhp vi ch trung tnh v cc bin php bo v khi dng l|i in chung.

3.13. Khi di chuyn cc vt c kch th|c ln d|i cc |ng dy in phi c bin phpan ton tht c th. Phi ct in |ng dy nu c kh nng vt di chuyn chm vo|ng dy hoc in t |ng dy phng qua vt di chuyn xung t.

3.14. Khi c cng nhn in, ng|i |c trc tip phn cng mi |c sa cha, u hocngt cc thit b in ra khi l|i in. Ch |c tho m cc b phn bao che, thoni cc dy dn vo thit b in, sa cha, cc b phn dn in sau khi ct in.Cm sa cha, tho, ni cc dy dn v lm cc cng vic c lin quan ti |ngdy ti in trn khng khi ang c in p.

3.15. ng ct in sa cha |ng dy chnh v cc |ng dy phn nhnh cp incho t 2 thit b in tr ln phi thc hin cht ch ch phiu cng tc. Ch |cng in tr li cc |ng dy ny sau khi c s kim tra k l|ng v c bo co(bng vn bn) ca ng|i ph trch cc b phn sa cha my.

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Sau khi ngt cu dao sa cha thit b in ring l phi kho cu dao v eo bincm ng in hoc c ng|i trc, trnh tr|ng hp ng in khi c ng|i sa chacha.

3.16. Ch |c thay dy chy trong cu chy khi ct in. Tr|ng hp khng th ctin th ch |c lm vic vi loi cu chy ng hoc loi np, nh|ng nht thitphi lp ph ti. Khi thay cu chy loi ng ang c in, phi c knh phng h,gng tay cao su, cc dng c cch in v phi ng trn tm thm, hoc i giycch in

Khng |c thay th cu chy loi bn khi c in. Khi dng thang thay cc cuchy trn cao trong lc ang c in phi c ng|i trc in d|i.

3.17. Khng |c tho v lp bng in khi ch|a ct in. Tr|ng hp khng ct |cin th cng nhn lm vic phi eo gng tay cch in v knh phng h.

3.18. Cm s dng n chiu sng c nh lm n cm tay. Nh|ng ch nguy him vin phi dng n c in p khng qu 36 vn. n chiu sng cm tay phi cl|i kim loi bo v bng n, dy dn phi l dy bc cao su, ly in qua cm.

cm v phch cm dng in p khng ln hn 36 vn phi c cu to v mu snphn bit vi v phch cm dng in p cao hn.Cc n chiu sng ch lm vic phi t cao v gc nghing ph hp khng lm chi mt do tia sng trc tip t n pht ra.

3.19. Cm s dng cc thit b in trn cng tr|ng nu chng khng ph hp mitr|ng xung quanh ni t chng.

3.20. Cm s dng cc ngun in trn cng tr|ng (in thi cng, in chiu sng) lm hng ro bo v cng tr|ng. Tr|ng hp c bit cn thit phi |c s ng ca cc c quan c thm quyn.

3.21. Cc dng c in cm tay (dng c in, n di ng, my gim th an ton mybin tn s...) phi |c kim tra t nht 3 thng mt ln v hin t|ng chm mt

trn v my, v tnh trng ca dy ni t bo v; v t nht mi thng mt ln vcch in ca dy dn, ngun in v ch h in. Ring cc bin p l|u ng ngoicc im trn, cn phi kim tra s chp mch cch in ca cun in p cao vcun in p thp.

3.22. Ngun in ca cc n chiu sng v dng c in cm tay c in p khng lnhn 36 vn phi ly trc tip t my bin p an ton l|u ng. Cm dng bin p tngu.

3.23. Ch |c ni cc ng c in, dng c in, n chiu sng v cc thit b khc vol|i in bng cc ph kin quy nh. Cm du ngoc, xon cc u dy in.

3.24. Cng nhn in lm vic trn cng tr|ng phi c cc ph|ng tin bo v cchin v trang b y dng c phng h theo quy nh hin hnh.Tt c cc dng c phng h phi ghi r ngy, thng, nm kim nghim, Thi giankim nghim nh k phi theo quy nh trong cc tiu chun v quy phm hinhnh. Dng c phng h bng cao su, phi |c bo qun trong kho cn thn khng|c gn xng, du, m v cc cht khc c tc dng ph hu cc dng c .

Tr|c khi s dng cc dng c phng h bng cao su, phi xem xt k. v lau schbi. Tr|ng hp b mt b m, phi lau v sy kh.

Cm dng nhng trang b phng h khi ch|a |c th nghlm kim tra, hoc thng,rch, nt rn...

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4. Cng tc bc xp v vn chuyn4.1. Yu cu chung.4.1.1. Khi vn chuyn hng ho phc v cho vic xy dng ngoi cc yu cu ca phn

ny v tu thuc vo loi ph|ng tin vn chuyn cn phi thc hin quy tc giaothng |ng b, giao thng |ng st; giao thng |ng thu do B Ni V v B

Giao thng vn ti ban hnh.Cng nhn bc xp vn chuyn phi c sc kho theo quv nh i vi tngloi cng vic.

4.1.2. Bi bc xp hng phi bng, phng, phi quy nh tuyn |ng cho ng|i v ccloi ph|ng tin bc xp i li thun tin v bo m an ton; phi c h thngthot n|c tt.

4.1.3. Tr|c khi bc xp - vn. chuyn loi hng no phi xem xt k cc k hiu, kchth|c khi l|ng v qung |ng vn chuyn xc nh v trang b ph|ng tinvn chuyn m bo an ton cho ng|i v hng.

4.1.4. Khi vn chuyn cc loi hng c kch th|c v trng l|ng ln phi s dng ccph|ng tin chuyn dng hoc phi lp duyt bin php vn chuyn bc d bom an ton cho ng|i v thit b.

4.1.5. Vic vn chuyn cht n, cht phng x, cht c, thit b c p lc v cht dchy phi s dng cc ph|ng tin vn ti |c trang b ph hp vi cc yu cuca cc quy phm hin hnh.

4.1.6. Bc xp hng vo ban m hoc khi ti tri trong cc khu vc khng nh sngthin nhin phi |c chiu sng y . Khng |c dng uc n c ngn latrn chiu sng khi bc xp cc loi vt liu d chy n m phi c n chngchy n chuyn dng.

4.1.7. Khi dch chuyn cc loi hng nng hoc cc hm cha thit b nng phi dngn by khng |c lm trc tip bng tay.

Bc xp cc loi vt liu nng c hnh khi trn hoc thnh cun (thung phi, dycp cun dy...). Nu li dng cc mt phng nghing ln, tr|t t trn xungphi dng dy neo gi trn, khng hng ln xung t do. Cng nhn iukhin hng ch |c ng pha trn v 2 bn.

4.1.8. Phi s dng cc ph|ng tin chuyn dng vn chuyn cc cht lng cha trongbnh, chai l v phi chn gi trnh v.

Khng |c ch xng etyl cng vi cc loi hng khc.

4.1.9. Cng nhn bc xp cc loi nguyn vt liu nhiu bi (xi mng, vi, bt, thchcao) phi |c trang b phng h y theo ch hin hnh,

4.1.10. Cm dng vi ht xng du bng mm hoc dng cc dng c mc xng du trctip bng tay, m phi dng cc dng c chuyn dng.Khi mc rt axit phi lm t t, thn trng trnh axit bn vo ng|i, cm n|c vo axit m ch rt axit vo n|c khi pha ch.

4.1.11. Hng xp trn cc toa tu, thng xe phi |c chn buc chc chn, trnh ri, x dch trong qu trnh vn chuyn.

Khng |c cht hng qa ti trng hoc qu kh cho php i vi cc ph|ngtin vn ti.

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4.1.12. Cng nhn li cc ph|ng tin vn chuyn nh| t, my ko, tu ho... trong phmvi cng tr|ng ngoi vic tun theo lut l giao thng hin hnh cn phi tun theoni quy cng tr|ng.

4.2. Vn chuyn bng ph|ng tin th s4.2.1. Tr|c khi bc xp

a. Kim tra cc ph|ng tin dng c vn chuyn nh| quang treo, n gnh v ccb phn ca xe (cng, bnh, thng xe, vn chn, dy ko...) m bo khng bt y, gy cng... trong qu trnh vn chuyn.

b. Kim tra tuyn |ng vn chuyn v ni bc d hng m bo an ton chocng nhn trong qu trnh lm vic.

4.2.2. Khi khun vc vn chuyn cc vt nng c t hai ng|i tr ln phi giao cho mtng|i chu trch nhim iu khin v ra lnh thng nht. Khi khing vc cc thanhdi phi b tr nhng ng|i cng lm vic c chiu cao xp x nhau v phi khingcng mt pha vai:

4.2.3. Tr|c khi xp hng ln xe ci tin xe ba gc phi:a. Chn bnh v chng cng xe tht chc chn.b. Xc nh ng sc chu ti ca xe v khng |c xp qu trng ti ca xe

4.2.4. Khi xp hng trn xe:a. i vi cc loi hng ri: gch, , ct, si... phi cht thp hn thnh thng

xe 2cm : v c vn chn hai u.

b. i vicc loi hng cha trong cc bao mm nh| xi mng, vi bt.....|cxp cao hn thnh xe nh|ng khng qu 2 bao v phi, c dy chng chcchn:

c. i vi cc loi hng cng knh khng |c xp cao qu l,5m tnh t mt|ng xe i (i vi xe ng|i ko hoc y) v phi c dy chng buc chc

chn.d. i vi cc loi thp tm, thp gc, cu kin b tng c chiu di ln hn

thng xe phi chng buc bng dy thp.

4.2.5. Cng nhn y cc loi xe ba gc, xe ci tin phi i hai bn thnh xe v khng|c t tay ln hng y. Khi xe trn dc phi chn bnh chc chn. Khixung dc ln hn 150th phi quay cng xe v pha sau v ng|i ko phi gi xe ln xung t t.

4.2.6. Khi dng xe do sc vt ko, ng|i iu khin phi i bn tri sc vt khng i bncnh thng xe hoc ngi trn thng xe. Xe phi |c trang b h thng phanh hm,khi vn chuyn ban m phi c n hiu.

4.3. Vn chuyn bng t, my ko.4.3.1. Khi cht hng ln xe, tu theo tng loi hng m c bin php sp xp bo m

an ton trong qu trnh vn chuyn.

4.3.2. Khi ly vt liu t cc ming rt ca bunke, xil... phi b tr xe sao cho tmca thng xe ng vi tm dng chy ca vt liu t ming rt ca bunke, xil...

4.3.3. Khi ch cc loi hng ri nh| gch, ngi, ct, si v.v... phi xp hoc thp bnthnh xe l0cm. Mun xp cao hn phi ni cao thnh xe, ch ni phi chc chnnh|ng khng |c ch qu trng ti cho php ca xe.

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4.3.4. i vi cc loi hng nh, xp, cho php xp cao hn thnh xe nh|ng khng |cxp rng qu kh cho php ca xe ng thi phi chng buc chc chn. Phi tunth nhng quy nh ca lut giao thng hin hnh.

4.3.5. Khi ch cc loi hng di hoc cng knh nh|: v keo, ct, tm sn, tm t|ngthit b my mc phi c vt k chn gi v chng buc chc chn.

Nu hng c chiu di ln hn l,5 chiu di thng xe th phi ni thm r mocsn rmoc phi cng cao vi sn thng xe. Ch ni r moc vi xe phi |cbo m chc chn, khng b t tut v quay t do kki xe chy. Khng |c dng t ben ch hng, c kch th|c di hn thng xe hoc ni thm r moc voxe ben.

4.3.6. Cm ch ng|i trn cc loi t cn trc, xe hng trn thng t t , trn rmoc, na r moc v xe tc k c xe ti c thnh nh|ng khng |c trang b ch ng|i. Cm cho ng|i ng bc ln xung, ch ni gia r moc, na rmoc vi xe, trn np c|ap, trn nc xe, hoc ng ngi khoang trng giathng xe v ca bin xe. Cm ch ng|i trong cc thng xe c ch cc loi cht chi d n, d chy, cc bnh kh nn hoc cc hng cng knh, khng m bo an

ton.4.3.7. Tr|c khi cho xe chy ng|i li xe phi:

Kim tra h thng phanh hm;

Kim tra h thng tay li, cc cn chuyn v dn h|ng, cc c hm cc cht anton.

Kim tra h thng n chiu sng, n bo hiu, ci;

Kim tra cc b phn ni ca r moc, na r moc vi t my ko;

Kim tra li h thng dy chng buc trn xe.

4.3.8. i vi cc loi t t ngoi vic kim tra cc b phn nh| quy nh ti iu4.3.7 cn phi kim tra cc b phn:

Cc cht hm gi thng ben khi b lt; '

Kh nng kp cht thng ben v c cu nng;

Cht l|ng ca cc cht hm pha sau thng xe.

4.3.9. Trong phm vi cng tr|ng xe phi chy vi tc khng |c ln hn l0km/h.Qua qung |ng ngot hoc vng phi chy vi tc khng ln hn 5km/h.

Trn tuyn |ng c nhiu xe chycng chiu th khong cch gia cc xe phim bo ti thiu l 20m.

4.3.10. Cng nhn c bng li xe loi no ch |c li xe loi: . Khi ng|i li xe khngcn sc kho theo quy nh ca y t hoc ang b mt mi, say r|u, say bia...

th nht thit khng |c li xe.4.3.11. Ng|i li xe tr|c khi ri khi x phi tt my, ko phanh tay, rt cha kho

inv kho ca bung li. Khi ng xe (my vn n) th ng|i li xe khng |cri v tr li xe i ni khc. Cm ng|i khng c nhim v vo bung li.

4.3.12. Khng xe trn on |ng dc: Tr|ng hp c bit phi d th phi chn bnhchc chn.

4.3.13. Vic |a n cng nhn i lm trn cng tr|ng bng xe t phi tun th nghimngt cc quy nh giao thng |ng b hin hnh; ng thi phi quy nh cc

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im ng xe cho cng nhn ln xung, phi ch nh ng|i gim st an ton trncc xe ch ng|i. Cm bm xe v nhy xe.

4.3.14. V tr t ng vt liu xung cc h o (tnh t mp bin sau ca xe) n mpmi dc t nhin ranh gii ca lng th st l) khng |c nh hn lm v phi tg chn xe khng li qu v tr quy nh. Khi xe trn cc cu cn vtliu xung h mng, th phi trang b cc tr chn bo him cho cu cn.

4.3.15. Khi lm sch thng t ben, cng nhn phi ng d|i t dng c|a hoc xng ccn di no, khng |c p vo y thng xe.

4.3.16. Khi quay u li xe th ng|i li xe, my phi bm ci bo hiu v phi quan stk phng c ng|i hoc xe c qua li.

4.3.17. Dng my ko ko hng khng |c chyln dc qu 30ohoc xung qu 1504.4. Vn chuyn bng tu ho xe gong.4.4.1. Khi xy dng |ng st, |ng gongnh| trong qu trnh vn chuyn bng tu

ho, xe gong phi theo quy nh ca giao thng |ng st hin hnh. dc ca|ng st, |ng gong dng cho cc toa xe hoc gong y tay khng |c ln

hn 2%.4.4.2. Cng tr|ng phi t chc kim tra cht ch cc tuyn |ng, cc ghi, cc on|ng vng. Cc kt qu kim tra phi vit vo nht k tuyn |ng.

4.4.3. Cc cu cn trn cc tyn |ng phi c lan can bo v hai bn... Khong cch tthnh toa xe n lan can khng nh hn lm. Mt cu phi lt vn kht, trn mtvn cc on dc phi c cc thanh g np ngang chng tr|t cho cng nhny xe qua li.

4.4.4. Khong cch gia cc xe gong y tay khi chycng chiu trn mt tuyn |ngkhng |c nh hn 20m i vi |ng bng v khng nh hn 30m i vi ccon |ng dc.

Xe gong phi c phanh chn, cht hm tt. Cm hm xe gong bng cch chnbnh hoc bng bt k hnh thc no khc. Hng ngy tr|c khi cho gong hotng cng nhn iu khin phi kim tra li thit b hm.

4.4.5. i vi gong y tay phi lun lun c ng|i iu khin. Khng |c ng trngong khi gong ang chy hoc gong chy t do..

4.4.6. Khi ko gong ln dc bng dy cp phi c bin php ngn cn ng|i qua li khu vc chn dc v hai bn tuyn dy cp.

4.4.7. Tc y gong khng |c ln hn 6km/h. Khi gn ti ch trnh hoc bnxoay phi gim tc cho gong chy chm dn.

Khi gong chy phi c ci bo hiu cho mi ng|i trnh ra xa |ng gong. Nub s c ( gong, trt bnh v.v...).pbi bo hiu cho cc gong pha sau ng li.

Khi chy gong ban m qua cc |ng hm phi c n chiu sng y .

4.4.8. Tr|c khi bc xp hng ho ln hoc xung gong phi hm phanh, chn bnh.Nhng gong c thng lt phi ng cht hm.

Hng xp trn gong phi chng buc chc chn. Nu l hng ri th phi chtthp hn thnh gong 5cm.

4.5. Vn chuyn bng |ng thu:4.5.1. Khi vn chuyn bng |ng thu phi tun theo cc quy nh trong giao thng

|ng thu hin hnh.

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4.5.2. Tr|c khi bc xp hng ho ln, xung tu thuyn... phi neo gi thuyn tu chcchn.

Khi tin hnh bc xp hng phi do thuyn tr|ng hoc ng|i |c thuyn tr|ngu nhim h|ng dn v gim st.

4.5.3. Cu ln xung tu, thuyn khng |c dc qu 300v phi c np ngang, chiurng ca mt cu khng nhhn 30cm khi i l chiu, khng nh hn lm khi i haichiu. u cu phi c mu mc vo tu, thuyn. u kia ta vng chc vo b.Khi cu di qu 3m phi c gi gia nhp.

4.5.4. Cc tu thuyn u phi ng k vi c quan ng kim |ng thu. Phi c binng k v ghi r trng ti cho php ca tng ph|ng tin. Khi ch ng|i phi|c php ca c quan ng kim |ng thu. Phi kim tra bo |ng nh k vitng ph|ng tin.

4.5.5. Cng nhn bc xp vn chuyn trn sng n|c phi c tiu chun sc khetheo quy nh v nht thit phi bit bi.

4.5.6. Tt c cc ph|ng tin vn ti thu u phi |c trang b y dng c cp cutheo quy nh.

4.5.7. Khi ch cc loi hng d thm n|c nh| t, ct, xi mng, vi.. nht thit phI cbt hoc mi che m|a.

4.5.8. Tr|c khi bc, xp hng ho phi kim tra v sa cha dng c bc xp, ccph|ng tin cu chuyn v cc thit b phng h.

4.5.9. Khng |c xp hng ho ln tu, thuyn cao qu boong tu, mn thuyn. vinhng loi hng nh xp cho php cht cao hn chiu cao ca thuyn nh|ng phichng buc chc chn, v phi phng lt thuyn.

4.5.10. Khi c gi t cp 5 tr ln phi a tu thuyn vo ni n np an ton.5. S dng dng c cm tay5.1. Cn g, cn tre ca cc dng c cm tay phi lm bng cc loi tre; g cng, do,khng b nt, n, mt, mc; phi nhn v nm chc chn.5.2. Cc dng c cm tay dng p, c phi bo m cc yu cu chung sau y:

u mi khng b nt n, hoc bt c mt h| hng no khc.

Cn khng b nt, v, khng c cnh sc v phi c chiu di thch hp m bo anton khi thao tc.

5.3. Cc km rn phi chn sao cho thch hp vi kch th|c hnh dng vt rn v c aikp cht cn.

5.4. Cha vn (c l) phi la chn theo ng kch th|c ca m c. Ming cha vankhng |c nghing choi ra, phi m bo tim trc ca cha vn thng gc vi tim

dc ca mi c.Cm vn m c bng cc cha vn c kch th|c ln hn m c bng cch mming thp v gia cnh ca m c v ming cha vn: Cm ni di cha vn bngcc cha vn khc hoc bng cc on ng thp (tr cc cha vn lp ghp c bit).

5.5. Ba t dng ng, chm, c, phi c tay cm di 0,7m. Cng nhn c ph kimloi hoc b tng bng cc dng c cm tay phi eo knh phng h. Ni lm viccht hp v ngng|i phi c tm chn bo v.

5.6. Mang xch hoc di chuyn cc dng c, cc b phn nhn sc, phi bao bc li.

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5.7. Cng nhn s dng cc dng c cm tay chy in hoc kh nn, cc loi sng ccloi dng c cm tay khc phi cc tiu chun quy inh iu l- 8 ca quy phmny. ng thi phi hiu r tnh nng, tc dng, v bit thao tc thnh tho i vitng loi dng c tr|c khi |c giao s dng.

5.8. Dng c cm tay chy in hoc kh nn phi |c kim tra, bo d|ng, bo quncht ch v sa cha kp thi, bo m an ton trong qu trnh s dng.

Cc loi sng, n ng trong thi cng phi |c ct gi trong t ring, c khachc chn v nht thit phi c ni quy bo qun, s dng cht ch. Khi s dngphi |c i tr|ng cho php.

5.9. Ch |c lp cc dng c cm tay chy in hoc kh nn vo u kp hoc tho rakhi u kp cng nh| iu chnh, sa cha khi ct in hoc ct hi.

5.10. Khi s dng cc dng c cm tay chy in hoc kh nn cng nhn khng |cng thao tc trn cc bc thang ta m phi ng trn cc gi bo m an ton.i vi cc dng c nng phi lm gi treo hoc cc ph|ng tin m bo an tonkhc.

5.11. Khi ngng vic, khi mt in, mt hi, khi di chuyn dng c hoc khi gp s c btng phi ngng cp nng l|ng ngay ng van, ngt kh nn, ngt cu dao in).

Cm cc dng c cm tay cn ang |c cp n hoc kh nn m khng cng|i trng coi.

5.12. Cm ko cng hoc gp cc ng dn kh nn, dy cp in ca dng c khi vnhnh. Khng |c t dy cp in hoc dy dn in hn cng nh| cc ng dnhi ln nhau.

5.13. S dng cc dng c cm tay chy in di ng ngoi tri, phi |c bo v bngni khng. Cng nhn phi i ng v eo gng tay cch in.

5.14. S dng cc dng c in cm tay cc ni d b nguy him v in phi dng inp khng ln hn 36 vn. nhng ni t nguy him v in c th dng in p l10vn hoc 220 vn nh|ng cng nhn phi i ng, hoc giy v gng tay cch in.

5.15. Khng |c ni cc ng dn kh nn trc tip vo cc |ng ng chnh m ch |cni qua cc van hp phn phi kh nn, hoc cc nhnh ph.

5.16. Tr|c khi nicc ng dn kh nn, phi kim tra thng ng dn. Ch |c lp hoctho ng dn ph ra khi ng dn chnh khi ngng cp kh nn.

Ch sau khi t cc dng c vo v tr nh mi |c cp kh nn.

5.17. Cc mi ni ng dn kh nn u phi xit cht bng ai st (cuari). Khng |cbuc bng dy thp.

5.18. Khi s dng my khoan cm tay phi:Cho my khoan chy th (khng cn lp cn khoan) kim tra ton tuyn ng bom tuyn dn hi khng b x h, tra d du m theo quy nh.

Cm dng tay iu chnh mi khoan khi my khoan ang chy.

Lp tc kho hi li khi khoan b tc hoc c hin t|ng khng m bo an ton,sau mi|c tho cn khoan v tin hnh kim tra sa cha.Cm x hi a nghch hoc lm sch bi qun o.

5.19. Khi ba tn inh lp cc b phn v np kh nn, phi gi khp ba bo mchc chn..v khng |c u ba quay v pha c ng|i.

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5.20. Khi tn inh phi bo m khong cch gia ng|i nm v ng|i bt inh khng qu20m. Trong phm vi khng gian nguy him ca khu vc nm v bt inh khng ng|i qua li v lm vic (t nht l 3m v phi c bin php phng inh rixung d|i).

5.21. S dng cc loi sng trong thi cng phi c bin php ngn nga kh nng xuynthng cc kt cu lm bn mnh b tng, gch v cc loi vt liu khc vonhng ng|i xung quanh.

Khi s dng cc sng ny phi theo cc yu cu trong bn h|ng dn ca tng loisng.

6. S dng xe my xy dng6.1. Tt c cc xe my xy dng u phi c h s k thut trong phi c cc thng

s k thut c bn, h|ng dn v lp t, vn chuyn, bo qun, s dng v sa cha,c s giao c|a, S theo di tnh trng k thut.

6.2. Xe my xy dng phi m bo cc yu cu an ton trong sut qu trnh s dng.6.3. Xe my xy dng phi |c bo d|ng k thut, v sa cha nh k theo ng quy

nh trong h s k thut. Khi ci to my hoc sa cha thay th cc b phn quantrng ca my phi c tnh ton thit k v |c duyt theo th tc thit k hinhnh.

6.4. Cc thit b nng |c s dng trong xy dng phi |c qun l v s dng theoTCVN 4244: 1986 v cc quy nh trong phn ny.

6.5. Cc xe my s dng l thit b chu p lc hoc c thit b chu p lc phi thc hincc quy nh trong QPVN 2: 1975 " quy phm k thut an ton v bnh chu p lc"v cc qui nh trong phn ny.

6.6. Cc xe my xy dng c dn in ng phi |c:Bc cch in hoc bao che kn cc phn mang in trn;

Ni t bo v phn kim loi khng mang in ca xe my.6.7. Nhng b phn chuyn ng ca xe my c th gy nguy him cho ng|i lao ng

phi |c che chn hoc trang b bng cc ph|ng tin bo v.

Trong nhng tr|ng hp b phn chuyn ng khng th che chn hoc trang bbng ph|ng tin bo v khc |c do chc nng cng c ca n, th phi trang bthit b tn hiu.

6.8. Kt cu ca xe my phi bo m sao cho khi xe my ch lm vic khng bnhth|ng phi c tn hiu bo hiu, cn trong cc tr|ng hp cn thit phi c thit bngng, t ng ttxe. my hoc loi tr yu t nguy him.

6.9. Cc xe my di ng phi |c trang b thit b tn hiu m thanh hoc nh sng.Trong phm vi hot ng ca my phi c bin bo.

6.10. Kt cu v v tr ca cc c cu iu khin phi loi tr kh nng t ng hoc ngunhin ng m xe my.

6.11. Cm s dng xe my hoc tng b phn ring r ca chng khng theo ng cngdng v chc nng do nh my ch to quy nh.

6.12. Cc xe my phi |c lp t theo h|ng dn lp t ca nh my ch to v ccbin php lp t an ton ca n v lp t.

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6.13. Ch |c tin hnh bo d|ng, hiu chnh sa cha k thut xe my sau khi ngngng c, tho x p sut trong cc h thng thu lc v kh nn, tr cc tr|nghp |c quy nh theo ti liu h|ng dn ca nh my ch to:

6.14. V tr lp t xe my phi m bo an ton cho thit b v ng|i lao ng trong sutqu trnh s dng.

6.15. Cc xe my lm vic gn dy ti in phi m bo khong cch t im bin camy hoc ti trng n |ng dy gn nht khng nh hn tr s trong bng 2:Bng 2

in p ca |ng dy ti in(KV)

1 120 35110 154220 300 500700

Khong cch nm ngang (m) 1,5 2 4 5 6 3

6.16. Cc xe my lm vic cnh ho h phi m bo khong cch t im ta gn nhtca xe my n ho h khng |c nh hn tr s trong bng

Bng 3

Loi t

Ct t ct t st StChiu su ca

h(m)Khong cch nm ngang t im ta gn nht ca xe my n chn ta

luy ca ho, h

1

2

3

4

5

1,5

3

4

5

6

1,25

2,4

3,6

4,4

5,3

1

2

3,25

4

4,75

1

1,5

1,75

3,0

3,5Trong tr|ng hp iu kin mt bng khng cho php thc hin |c yu cu trn thphi c bin php gia c chng st l ho h khi ti trng ln nht.

6.17. Khi di chuyn xe my d|i cc |ng dy ti in ang vn hnh, phi m bokhong cch tnh t im cao nht ca xe my n im thp nht ca |ng dykhng nh hn tr s cho bng 4.

Bng 4

in p ca |ng dy ti in(KV)

1 120 35110 154220 300 500700

Khong cch nm ngang (m) 1 2 3 4 5 6

6.18. Cm s dng xe my khi:Ht hn s dng ghi trong giy php s dng i vi thit b nng v thit b chu plc;

H| hng hoc khng c thit b an ton;

H| hng cc b phn quan trng;

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6.19. Khi xe my ang hot ng, ng|i vn hnh khng |c php b i ni khc hocgiao cho ng|i khc vn hnh.

6.20. Ng|i vn hnh xe my phi bo m cc tiu chun quy nh ti iu l- 8 caquy phm ny.

Khi s dng xe my phi thc hin y cc quy nh trong quy trnh vn hnh an

ton xe my. Tr|c khi cho xe my hot ng phi kim tra tnh trng k thut caxe my. Ch s dng xe my khi tnh trng k thut m bo. Nu xe my hng hcphi t sa ch|a hoc bo co th tr|ng trc tip tnh trng hng hc ca xe my v ngh cho sa cha. Ch sau khi khc phc xong cc hng hc mi |c php sdng.

7. Cng tc khoan7.1. S dng cc loi my khoan phi theo cc quy nh ca quy phm k thut an ton

trong cng tc khoan thm d a cht hin hnh.

7.2. Vic lp t, sa cha, di chuyn v tho d my khoan phi do cn b k thut thicng hoc i tr|ng trc tip h|ng dn v gim st, ng thi phi c cc binphp bo m an ton cho cng nhn nh|: bin php nng, h thp cn khoan, trangb dy an ton, che chn phng vt t| t trn cao ri xung.

Khi tri m|a to, ging bo hoc c gi t cp 5 tr ln khng |c lm cc cng vicni trn. Khi tri ti hoc ban m phi c n chiu sng ni lm vic.

7.3. Khi nng, h hoc sa cha thp khoan, nhng ng|i khng c nhim v phi ra khiphm vi lm vic cch thp khoan mt khong t nht bng l,5 chiu cao ca thp.

7.4. iu khin ti n.ng quay tay, phi b tr nhng cng nhn c kinh nghim, hiubit r v qu trnh khoan, d on |c cng vic ca tng giai on v c binphp x l nhanh chng khi nng, h khoan.

7.5. Khi di chuyn my khoan phi h cn, tr tr|ng hp di chuyn trn mt |ng bngphng, chiu di |ng i khng qu l00m v khng i qua gii |ng dy in.

Di chuyn cc thp khoan cao hn 12m phi dng dy cp chng gi 4 pha v buc cao t 2/3 n 3/4 chiu cao ca thp. Khong cch t thp ti ng|i iu khinti ko thp phi m bo t nht bng chiu cao ca thp cng thm 5 mt.

Khi tm ngng di chuyn, phi no cc dy chng li.

7.6. Khong cch gia my khoan v thnh thp khoan khng |c nh hn lm. Nukhng m bo |c khong cch th phi lm tm chn bo v

7.7. Khong cch gia thp khoan vi cc cng trnh khc phi xc nh theo thit k thicng. Khong cch gia cc thp khoan t gn nhau t nht phi bng 1,5 chiu caoca thp khoan cao nht.

7.8. Xung quanh mi khung thp khoan phi c gi phng cn khoan b vphi c sn lt vn cho cng nhn lm vic. Phi c cu thang cho cng nhn lnxung thp. Cu thang v sn thao tc trn thp khoan phi c lan can bo v xungquanh cao lm. Nu khng lm |c lan can th cng nhn phi mang dy an tan.

7.9. Khi lp t thp khoan xong, phi c nh cc dy no. Cc dy no phi c nhchc chn vo cc m no theo yu cu thit k thi cng.

Ch |c tin hnh iu chnh thp khoan khi b tr y cc dy no theo yucu trn.

7.10. Tr|c khi tin hnh khoan, phi kim tra thp v cc thit b theo cc yu cu sau:

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bn chc ca li neo, b phn ko gi;

Tnh n nh ca cc lin kt thp;

S bn vng ca sn, gi ;

lch tm ca thp tr|c v sau khi t thp khoan.

Khi cc tr chng hay cc ct thp b bin dng (lm, cong, vnh, nyt) hoccc ni neo, kp b h hng phi sa cha bo m an ton mi |c tin hnh khoan.Tr|c khi bt u khoan chnh thc phi tin hnh khoan th v c bin bn xcnhn tnh trng k thut ca my khoan.

7.11. Trong qu trnh khoan, hng tn phi c ng|i c trch nhim kim tra t nht mtln v tnh trng lm vic ca thp khoan pht hin nhng hin t|ng khng mbo an ton v c bin php sa cha kp thi. Ngoi vic kim tra nh k ni trn,cn phi kim tra thp khoan trong nhng tr|ng hp sau:

Tr|c v sau khi di chuyn thp khoan;

Tr|c v sau khi khc phc s c;

Sau khi ng|ng vic v c ging bo v c gi t cp 5 tr ln;

Sau khi xut hin du kh phun.

7.12. Phi quy nh r chiu cao gii hn ko my khoan trnh thit b khoan va chmvo tr|t v rng rc.

Khng |c tin. hnh khoan khi ch|a bt cht cc mi ni inh c.

7.13. Khi cn khoan ang trng thi nng h, khng |c ng|i lm bt c vic gtrn thp khoan. Ch khi c lnh ca ng|i ch huy mi |c nng, h cn khoan.

Hiu lnh phi |c quy nh thng nht v ph bin cho mi ng|i bit tr|c khithi cng.

7.14. Cc thp khoan phi c h thng chng st. Cc thit b in phi |c ni t bov.

7.15. Phi tin hnh khoan ||t. Tr|ng hp khng th khoan |t |c phi trang b chocng nhn y dng c chng bi theo ch hin hnh.

Khu vc khoan phi c ln che m|a, nng.

7.16. Ging khoan khi ngng lm vic phi |c che y chc chn. Trn tm y hocro chn phi treo bin bo v n tn hiu.

8. Dng lp, s dng v tho d cc loi gin gio, gi .8.1. Yu cu chung.8.1.1. Trong cng tc xy lp phi dng cc loi gin gio v gi |c lm theo thit

k, thuyt minh tnh ton |c cp c thm quyn xt duyt. Khi dng lp sdng v tho d gin gio gi nht thit phi theo ng quy nh, yu cu kthut ca thit k (k c nhng ch dn, quy nh, yu cu k thut |c ghi hockm theo h chiu ca nh my ch to gin gio chuyn dng). Khng |c dnglp hoc s dng bt k mt kiu loi gin gio, gi no khi khng cc iukin nu trn.

Dng lp tho d gin gio, gi trn sng n|c phi trang b cho cng nhn ccdng c cp cu theo nh| quy nh iu l- ll ca quy phm ny.

8.1.2. Cm s dng gin gio, gi , ni, thang khng ng chc nng ca chng.

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Cm s dng gin gio, gi , ni |c lp kt hp t cc loi, dng khc nhau hocs dng nhiu loi m khng c thit k ring.

8.1.3. Cm s dng gin gio, gi , ni khi:a. Khng p ng |c nhng yu cu k thut v iu kin an ton lao ng

nu trong thit k hoc trong h chiu ca chng; nht l khi khng y

cc mc neo, dy chng hoc chng |c neo vo cc b phn kt cu km nnh nh| lan can, mi ua, ban cng v.v... cng nh| vo cc v tr ch|a tnhton chu |c lc neo gi.

b. C bin dng, rn nt, mn g hoc thiu cc b phn.c. Khe h gia sn cng tc v t|ng nh hoc cng trnh ln hn 0,05m khi xy

v ln hn 0,20m khi hon thin.

d. Khong cch t mp bin gii hn cng tc ca gin gio, gi , ni ti mpbin lin k ca ph|ng tin vn ti nh hn 0,60m.

e. Cc ct gin gio, v cc khung t trn nn km n nh (nn yu, thotn|c km, ln qu gii hn cho php ca thit k; m lt chn ct, khung

bng vt liu khng chc chn, thiu n nh nh| gch nm, vt liu phthi trong xy dng...) c kh nng b tr|t, l, hoc t trn nhng b phnhay kt, cu nh, cng trnh m khng |c xem xt, tnh ton y mbo chu lc n nh cho chnh b phn, kt cu v cho ct gin gio,khung .

8.1.4. Cm xp ti ln gin gio, gi , ni ngoi nhng v tr quy nh (ni c tbng ghi r ti trng cho php pha trn) hoc v|t qu ti trng theo thit khoc h chiu ca n.

Cm xp cha bt k mt loi ti trng no ln trn cc thang ca gin gio, sncng tc.

8.1.5. Khi gin gio cao hn 6m phi lm t nht hai sn cng tc. Sn lm vic bn trn,sn bo v bn d|i. Khi lm vic ng thi trn hai sn th v tr gia hai sn nyphi c sn hay l|i bo v.

Cm lm vic ng thi trn hai sn trong cng mt khoang m khng c binphp bo m an ton.

8.1.6. Khi gin gio cao hn 12m phi lm cu thang, chim hn mt khoang gin gio. dc cu thang khng |c ln hn 600

Khi gin gio khng cao qu 12m c th dng thang ta hay thang dy. Khi dngcc loi thang ny phi theo quy nh iu 8.7.l v 8.7.5 ca quy phm ny.

L hng sn cng tc ln xung phi c lan can bo v ba pha.

8.1.7.

Chiu rng sn cng tc ca gin gio v gi khng |c nh hn l,00m. Khivn chuyn vt liu trn sn cng tc bng xe y tay th chiu rng sn khng|c nh hn 1,5m. |ng di chuyn ca bnh xe phi lt vn cc u vn phikht v ghm cht vo sn cng tc.

8.1.8. Vn lt sn cng tc phi c chiu dy t nht l 3cm khng b mc mt hay ntgy. Vn lt phi ghp kht, bng phng; khe h gia cc tm khng |c ln hnlcm. Khi dng vn ri t theo ph|ng dc th cc tm vn phi di gc|c trc tip hai u vn ln thanh , mi u vn phi cha ra khi thnh mt on t nht bng 20cm v |c buc hay ng inh ghm chc vo thnh .Khi dng cc tm vn ghp phi np bn d|i gi vn khi b tr|t.

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8.1.9. Khi phi lm sn cng tc theo quy nh iu 2.2.6. th phi c lan can bo v.Lan can phi lm cao lm v c t nht 2 thanh ngang c kh nng gi ng|i khi bng.

8.1.10. Cc li i qua li pha d|i gin gio v gi phi c che chn bo v pha trn.8.1.11. Gin gio, gi gn h o, |ng i, gn phm vi hot ng ca cc my trc

phi c bin php phng cc vch h o b st l hoc cc ph|ng tin vn ticu chuyn va chm lm gy gin gio, gi .

8.1.12. Khi dng lp, s dng, tho d gin gio, gi , ni gn |ng dy ti in(d|i 5m, k c |ng dy h th) cn phi c bin php tht nghim ngt mbo an ton v in cho cng nhn. Cc bin php ny u phi |c c quan qunl in v |ng dy ni trn thng nht v k kt cc vn bn tho thun (ngtin khi dng lp, lm hp g , l|i che chn...).

8.1.13. Trn gin gio, gi , ni c lp t, s dng in chiu sng, trang thit b tiuth in nht thit phi tun th cc quy nh trong phn l, 3, 5 v 21 ca quyphm ny.

8.1.14.

Gin gio, gi c cao n 4m ch |c php |a vo s dng sau khi |ci tr|ng nghim thu v ghi vo nht k thi cng, cn trn 4m th sau khi |cHi ng k thut do lnh o n v xy lp c ra nghim thu v lp bin bnnghim thu |a vo h s k thut thi cng ca n v. Trong thnh phn ca Hing c i din ca b phn hoc cn b chuyn trch an ton lao ng ca nv tham d.

Ni dung nghim thu |c cn c vo yu cu k thut ca thit k hoc h chiuca gin gio, gi v cc quy nh trong phn ny. Cn l|u kim tra tnh nnh ca nn, cc mi ni, lin kt, sn cng tc, bin php an ton lao ng khilm vic trn cao v khi s dng in.

8.1.15. Hng ngy tr|c khi lm vic, cn b k thut ph trch thi cng hoc i tr|ngphi kim tra li tnh trng ca tt c cc b phn kt cu ca gin gio v gi .Kim tra xong (c ghi vo nht k thi cng) mi cng nhn lm vic. Trong khiang lm vic bt k cng nhn no pht hin thy tnh trng h| hng ca gingio, gi c th gu nguy him phi ngng lm vic v bo co cn b k thutph trch thi cng hoc i tr|ng bit tin hnh sa cha b xung. Sau khi tinhnh sa cha xong, lp bin bn theo quy nh ti iu 8.1.14 mi |c cngnhn tr li lm vic.

8.1.16. Sau khi ngng thi cng trn gin gio, gi mt thi gian di (trn mt thng)nu mun tr li thi cng tip tc phi tin hnh nghim thu li v lp bin bnnghim thu theo quy nh ti iu 8. l.14.

8.1.17. Tho d gin gio, gi phi tin hnh theo trnh t hp l v theo ch dn trongthit k hoc h chiu.Khu vc ang tho d phi c ro ngn, bin cm ng|i v ph|ng tin qua li.

Cm tho d gin gio bng cch git .

8.1.18. Khng |c dng lp, tho d hoc lm vic trn gin gio, gi khi tri m|a to,ging bo hoc gi cp 5 tr ln.

Khi tnh m|a, mun tr li lm vic tip tc phi kim tra li gin gio gi nh|quy nh ti iu 8.l.15, v phi c bin php chng tr|t ng.

8.2. Gin gio tre, gin gio g

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8.2.1. Tre dng lm gin gio phi l tre gi khng b i mc, mt hoc dp gy. Cc ktcu chu lc phi dng tre loi l.

G dng lm gin gio phi lm g tt t nhm 5 tr ln khng b mc mt, ntgy.

8.2.2. Gin gio g c chiu cao ln hn 4m hoc chu ti trng nng phi dng lin ktbulng. Gin gio tre phi buc bng loi dy bn chc, lu mc.Cm dng inh lin kt gin gio tre.

8.2.3. Cc chn ct gin gio tre phi chn su 0,5m v ln cht.8.2.4. Gin gio tre, g dng lp xong phi kim tra.

Kh nng neo buc ca cc lin kt;

Cht l|ng vt liu;.

Cc b phn kt cu (lan can, cu thang, vn sn...)

8.2.5. Khi tho d khng |c cht cc nt buc m phi tho ri tng thanh |a dnxung mt nn.

8.3. Gin gio thp8.3.1. Cc ng thp dng lm gin gio v cc loi ai thp lin kt khng b cong, bplm, nt, thng v cc khuyt tt khc.

8.3.2. Cc chn ct ca gin gio phi lng vo chn v |c k m n nh, chcchn theo quy nh ti iu 8. l.3, mc 2 ca phn ny.

8.3.3. Dng gin gio cao n u phi neo chc vo cng trnh n . V tr t mcneo phi theo thit k. Khi v tr mc neo trng vi l t|ng phi lm h ging phatrong neo, cc ai thp phi lin kt chc chn phng thanh tr|t trnct ng.

8.3.4. Khi dng lp, tho d gin gio thp gn |ng dy in (d|i 5m) phi theo iu8.l.12 ca phn ny.8.3.5. Khi dng gin gio thp cao hn 4m phi lm h thng chng st theo ch dn cathit k. Tr tr|ng hp gin gio dng lp trong phm vi |c bo v h thngchng st c.

8.4. Gin gio treo, ni treo8.4.1. Tit din dy treo phi theo ch dn ca thit k v phi m bo h s an ton

khng |c nh hn 6.

Gin gio treo phi lm dy treo bng thp trn hoc dy cp. Ni treo phi dngdy treo bng cp mm.

8.4.2. Gin gio treo v ni treo phi dng lp cch cc phn nh ra ca cng trnh mtkhong ti thiu l l0cm.

8.4.3. Con - sn phi c nh vo cc b phn kt cu vng chc ca cng trnh. Khng|c ta trn mi ua hoc b mi.

8.4.4. Gin gio treo phi |c neo buc chc chn vi cng trnh trnh b u |a.8.4.5. Cng nhn ln xung gin gio treo phi dng thang dy c nh chc chn vo

con sn hoc qua cc l hng ca t|ng.

8.4.6. Tr|c khi dng gin gio treo phi th li vi ti trng tnh c tr s ln hn 25%ti trng tnh ton.

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i vi ni treo, tr|c khi s dng ngoi vic th vi ti trng tnh nh| trn cncn phi th vi cc loi ti trng sau:

a. ti trng ng ca ni treo khi nng, h vi tr s ln hn 10% ti trng tnhton.

b. Ti trng treo v mc treo c tr s ln hn 2 ln ti trng tnh ton v thi giantreo th trn dy t nht l l5 pht.Khi th nghim xong vi cc loi ti trng trn phi c vn bn nghim thu.

8.4.7. Khi nng h ni treo phi dng ti c phanh hm t ng. Cm ri t do. Khingng vic phi h ni treo xung

8.5. Thp nng di ng8.5.1. |ng di chuyn ca thp nng di ng phi bng phng theo ph|ng dc cng

nh| ph|ng ngang.

8.5.2. Thp nng di ng t vo v tr phi chn bnh v c nh cc kch hm.Thp nng di ng phi c h thng chng st theo ch dn ca thit k.

8.5.3. Di chuyn thp nng di ng phi nh nhng khng b git. Khng |c di chuynthp nng di ng khi c gi t cp 5 tr ln v khi c ng|i hoc vt liu trn sncng tc.

8.6. Gi con - sn.8.6.1. Cc khung ca gi phi t trn mt nn bng phng v n nh. Khi ch|a thi

cng xong kt cu sn tng phi gc vn tm ln n k t khung gi ,khng t khung gi trc tip ln cc dm sn.

8.6.2. Cc gi ch |c xp thnh chng hai khung. Tr|ng hp mun xp chng bakhung th phi hn ch ti trng t trn sn cng tc hoc c bin php gia c. Chai tr|ng hp trn u phi tnh ton kim tra li kh nng chu ti ca gi .

Cc khung tng trn phi neo vo cc b phn kt cu chc chn ca cng trnh.

8.6.3. Cng nhn ln xung sn thao tc ca gi phi dng thang ta. Cm vn vokhung ln xung sn.

8.6.4. Con- sn phi |c neobuc chc chn vo cc b phn kt cu ca cng trnh.8.6.5. Khi chuyn vt liu ln sn cng tc phi dng thang ti, hoc cc thit b cu

chuyn khc. Khng |c neo buc cc thit b nng trc vo con- sn.

Cng nhn ln xung sn cng tc ca gi con-sn phi i t pha trong cng trnhra qua cc l t|ng.

8.7. Thang8.7.1. Thang phi t trn mt nn bng phng, n nh v chn gi chc chn.

Cm ta thang nghing vi mt phng nm ngang ln hn 600hoc nh hn 450.Tr|ng hp t thang tri vi quy nh ny phi c ng|i gi thang v chn thangphi chn gi chc chn.

8.7.2. Khi ni di thang phi dng dy buc chc chn v u thang phi neo buc vocng trnh.

8.7.3. Tr|c khi ln lm vic trn thang gp, phi no dy neo phng thang bdong ra.

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8.7.4. Khi s dng thang phi kim tra tnh trng an ton chung ca thang. i vi thangmi hoc thang lu khng dng, tr|c khi dng phi th li vi ti trngbng 120 daN.

8.7.5. Tr|c khi ng|i ln thang phi kim tra li vt chn thang cng nh| v tr tathang.

8.7.6. Khng |c treo vt nng qu ti trng cho php vo thang khi ang c ng|i lmvic trn thang.Khng |c dng thang gp lm gin gio hay gi .

9. Cng tc hn9.1. Yu cu chung9.1.1. nhng tng tin hnh hn in, hn hi v cc tng pha d|i (khi khng c sn

chng chy bo v) phi dn sch cc cht d chy n trong bn knh khng nhhn 5m, cn i vi vt liu v thit b c kh nng b n phi di chuyn i nikhc.

9.1.2. Khi ct cc b phn ca kt cu phi c bin php chng sp ca cc b phn|c ct.

9.1.3. Khng |c php hn ct bng ngn la trn cc thit b ang chu p lc hocang cha cc cht chy n, cc cht c hi.

9.1.4. Khi hn in, hn hi trong cc thng kn hoc phng kn phi tin hnh thng gitt tc gi phi t |c t 0,3 n l,5m/giy. ng thi phi b tr ng|i ngoi quan st x l kp thi khi c nguy him. Tr|ng hp hn c s dng khho lng (Prpan, Butan v oxitcacbon) th ming ht ca h thng thng gi phinm pha d|i.

Tr|c khi hn trong cc thng kn, b cha c hi kh c phi kim tra nnng hi kh . Ch sau khi |c thng gi v khng cn nguy c c hi mi cho

ng|i vo lm vic.9.1.5. Khi hn ct cc thit b mt tr|c cha cht chy lng, hoc axit, phi xc

ra sch ri sy kh, sau kim tra xc nh bo m nng ca chng nhhn nng nguy him mi tin hnh cng vic.

9.1.6. Tr|c khi hn cc khu vc c hi kh chy n, c hi phi kim tra nng cchi kh . Tr|ng hp cn thit phi tin hnh thng gi bo m khng cnnguy c chy n, c hi mi bt u cng vic.

9.1.7. Khng |c tin hnh ng thi c hn hi v hn in trong cc thng kn.9.1.8. Khi hn trong cc thng kn phi c n chiu sng t bn ngoi hoc dng n

di ng cm tay, in th khng ln hn 12V. Phi dng bin p cch li cho nchiu sng v t bn ngoi. Cm dng bin p t ngu h p.

9.1.9. Th hn hi hn in k c ng|i ph hn phi |c trang bi mt n hoc tmchn c knh hn ph hp. Tr|c khi hn th hn phi kim tra y cc iukin v an ton.

9.1.10. Ch |c hn trn cao sau khi c bin php chng chy v bin php bo man ton cho ng|i lm vic, i li pha d|i.

9.1.11. Hn ct cc b phn, thit b in hoc gn cc thit b in ang hot ng phic bin php phng in git.

9.2. Hn in

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9.2.1. Phn kim loi ca thit b hn in cng nh| cc kt cu v sn phm hn (v myhn xoay chiu, my hn mt chiu...) phi |c ni t bo v theo quy nh ca

TCVN " quy phm ni t v ni khng cc thit b in".9.2.2. dn in hn ti km hn in, m hn phi dng dy cp mm cch in c

tit din ph hp vi dng in ln nht ca thit b hn v thi gian ko di ca

mt chu trnh hn.9.2.3. Ch ni cc cp dn in phi thc hin bng ph|ng php hn v bc cchin.Vic u cp in vo thit b hn phi |c thc hin qua u ni ca cpin v |c dp hoc hn thic.

9.2.4. Khi di chuyn hoc t cc dy in hn khng va chm lm hng v cchin. Khng cp in tip xc vi n|c, du, cp thp, |ng ng nng.

Khong cch t cc |ngy in hn n cc |ng ng nng, cc chai oxi. ccthit b cha kh axtylen hoc cc thit b cha kh chy khc khng |c nhhn 5m.

Chiu di dy dn t ngun in n my hn khng |c di qu 15m.

9.2.5. C th dng thanh kim loi c hnh dng bt k lm |ng dy mt dn in vnu tit din nh nht ca chng m bo an ton theo iu kin t nng do dngin hn i qua. Mi ni gia cc b phn dng lm dy dn v phi chc chnbng cch kp, bulng hoc hn.

Khi hn trong cc phng c nguy c chy n th dy dn v phi |c cch innh| dy chnh.

9.2.6. Chui km hn phi lm bng vt liu cch in, cch nhit tt. Km hn phi kpchc que hn. i vi dng in hn c c|ng 600A tr ln khng |c dngkm hn kiu dy dn lun trong chui km.

9.2.7. in p cc kp ca my hn mt chiu, my hn xoay chiu trong lc pht hquang khng |c v|t qu 110V i vi my in mt chiu v 70V i vi mybin p xoay chiu.

9.2.8. Cc my hn tip xc c nh phi dng loi bin p l pha v u vi l|i, inxoay chiu c tn s 50HZ v in p khng |c ln hn 50V. in p -khngti khng v|t qu 36V.

9.2.9. Ch |c ly ngun in h quang t my hn xoay chiu, my hn mt chiu,my chnh l|u ; cm ly trc tip t l|i in.

9.2.10. Ni in t l|i in vo my hn phi qua cu dao, dy chy. My hn phi cthit b ng ct in. Khi ngng phi ct ngun in cung cp cho my hn.

9.2.11. Ch c th in mi |c ni in t l|i in vo my hn hoc tho lp sa chamy hn. Cm ni v tho dy u ra ca my hn khi cn c in.

9.2.12. Khi hn trong cc thng kn bng kim loi th my hn phi ngoi, th hn phi|c trang b m cao su, giy hoc thm cch in v gng tay cao su.

9.2.13. Cc my hn ngoi tri phi c mi che m|a; cm hn ngoi tri khi c m|a,bo.

9.2.14. Hn ni c nhiu ng|i cng lm vic hoc nhng ni c nhiu ng|i qua liphi c tm chn lm bng vt liu khng chy ngn cch bo v nhng ng|ixung quanh.

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9.2.15. Thhn in khi lm vic trn cao phi |c trang b ti ng dng c, quehn v cc mu que hn tha.

9.2.16. Trn cc my hn tip xc kiu hn ni u phi lp l chn bo v bng thu tinhtrong sut cng nhn quan st qu trnh hn.

9.2.17. Ch |c tin hnh lm sch cc in cc trn cc my hn in v hn |ng saukhi ct in.

9.2.18. My hn |ng dng n|c lm ngui con ln phi lp mng hng n|c. Cngnhn khi lm vic phi ng trn bc c tri thm cao su cch in.

9.2.19. Trn cc my hn in v hn |ng phi lp knh che cc in cc pha ng|ith hn ng lm vic.

9.2.20. Ch nhng ng|i th hn bit ln v nm vng tnh cht ca cng vic a imcng tc mi |c php hn d|i n|c.

9.2.21. Tr|c khi tin hnh cng vic hn d|i n|c phi kho st cng trnh nh hnmt cch t m, phi lp thit k t chc thi cng v |c thm duyt thn trng.

9.2.22. Tr|c khi ln xung n|c, th hn phi kim tra li thit b hn v tt c cc loitrang b phng h c nhn mang trn mnh.

9.2.23. Khi hn d|i n|c phi c ng|i nm vng k thut an ton trn mt n|c gimst lin lc vi ng|i ang hn d|i n|c bng in thoi. My in thoi, cudao, cng tc ngt in phi t v tr thun li kp thi x l s c. Ccph|ng tin cp cu v lc l|ng cp cu phi t| th sn sng hnh ng.

9.2.24. Nu trn mt n|c, a im hn c vng du m th khng |c cho th hnxung lm vic d|i n|c.

9.3. Hn hi9.3.1. Hn v ct bng hi, ngoi cc quy nh trong phn ny cn phi tun theo cc

quy nh ca " quy phm k thut an ton v v sinh trong sn xut, s dng

axtylen, xi gia cng kim loil, TCVN 4245: 1985'9.3.2. t n (cacbua canxi) phi |c bo qun trong cc thng st ni kh ro

thong mt, |c phng ho chu o. Khi m thng t n phi dng dng cchuyn dng.

9.3.3. Khi s dng bnh sinh kh axtylen khng |c: p sut hi v|t qu quy nh cho php.

Tho b cc b phn iu chnh t ng, cc van an ton ng h o p sut;

S dng cc thit b an ton b hng hoc khng chnh xc.

M np ngn t n ca bnh kh ch|a tho ht kh cn li trong bnh;

t bnh li i li, gn cu thang, tng hm, ch ng ng|i nu khng cbin php bo v phng khi bnh b n.

9.3.4. Bnh sinh kh axtylen phi c bu dp la. Tr|c mi ln s dng v t nht hailn trong mi ca lm vic phi kim tra li mc n|c trong bu dp la.

9.3.5. Tr|c khi lm sch bnh sinh kh axtylen, phi mtt c cc l(vi, ca ) thng hi.

9.3.6. Khi nghin t n phi eo knh v khu trang. Khi ly t n cn li trong bnhsinh kh ra phi eo gng tay cao su.

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9.3.7. Phi phn loi v ring cc chai cha kh v cc chai khng cn kh. Chai chakh thang ng trong cc gi v |c c inh bng xch, mc hoc ai kha.

9.3.8. Ch |c nhn, bo qun v giao cho ng|i tiu th nhng chai c cc b phnbo him.

9.3.9. Chai cha kh axtylen sn mu trng ch "AXTYLEN" vit trn chai bng snmu . Chai cha xi mu xanh da tri, ch "Xi vit trn chai bng sn muen.

9.3.10. Cc chai xi v axtylen dng khi hn phi t ni thong mt, kh ro, c miche m|a, nng cch xa |ng dy in trn hoc cc vt b nung nng. Khi dichuyn phi t trn gi xe chuyn dng.

Khong cch gia cc chai xi v axtylen (hoc bnh sinh kh axetylen) cng nh|khong cch gia chng vi ni hn, ni c ngn la h hoc ni d pht sinh tiala ti thiu l l0 mt.

9.3.11. Khi vn chuyn v s dng chai x.a. Cm vc ln vai hoc ln trn |ng;b. Phi dng cc ph|ng tin vn ti c b phn gim xc; Nu vn chuyn

|ng di phi xp chai theo chiu ngang ca xe v mi chai phi c 2 vngm bng cao su hoc cho gai c |ng knh 25mm.

c. Cm bi du m vo chn ren. Nu tay dnh du m cng khng |c s vochai.

9.3.12. Khi s dng, tu theo nhit mi tr|ng bn ngoi phi li trong chai mtl|ng kh ti thiu l:

05 t i vi chai cha xi;

3,3 t i vi chai cha kh axtylen.

9.3.13. M van bnh axtylen, chai xi v lp cc b gim p trn bnh phi c dng cchuyn dng. Cm dng cc b phn gim p khng c ng h o p lc hocng h khng chnh xc. Nu ng h dng qu thi gian quy nh phi kimtra li.

9.3.14. Tr|c khi hn hoc ct bng hi, th hn phi kim tra cc u dy dn kh mhn, chai hi, ng h v bnh sinh kh.

9.3.15. Khi mi la phi m van xi tr|c, ri m van axtylen sau. Khi ngng hn phing van axtylen tr|c, ng van xi sau.

9.3.16. Hn trong cc cng trnh ang xy dng hoc hn trong cc phng ang lp tthit b phi thng gi cc b.

9.3.17. Khi hn nu m hn b tc phi ly dy ng thng, khng dng dy thp cng.Cm sa cha cc ng dn axtylen cng nh| ng dn xi hoc xit cc m c bnh ang chu p lc khi kim p k ch|a chnh v s 0.

10. S dng my cc x|ng gia cng ph10.1. S dng cc my cng c trong cc x|ng ph phi theo ng quy nh trong

quy phm k thut an ton cc c s c kh

10.2. Tt c nhng vt liu, my cng c v cc sn phm gia cng trong x|ng phisp xp gn gng ng ni quy nh.

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10.3. Ch |c s dng cc cng trnh mi hon thnh lm x|ng ph sau khi thu gnsch s cc vt liu tha cng nh| cc my, dng c dng trong qu trnh thi cngcng trnh .

10.4. Cm lm bt c mt vic g c th sinh ra tia la nhng khu vc d chy. Tinhng khu vc ny phi c bin bo Cm la

10.5. Phi |c th|ng xuyn thu gn sch s nhng vt liu tha, vt liu thi trong qatrnh sn xut. Cc vt liu ny phi vo ni quy nh ring.10.6. Cm thi cc dung dch axit v cc dung dch baz vo cc |ng ng cng cng cc

dung dch ny phi thi ra theo |ng ng ring.

10.7. Sn ca x|ng phi lm cao ro, sch s v c rnh thot n|c xung quanh tt.Nhng x|ng c thi n|c ra trong qu trnh sn xut sn phi lm dc v pha thotn|c.

10.8. Ti nhng v tr ng lm vic th|ng xuyn b m phi k bc g.10.9. nh sng trong x|ng phi |c m bo theo ng cc quy nh hin hnh.10.10.Nhng li i li gia cc khu vc bn trong x|ng phi rng t nht l 0,80m. Cm

bt k mt vt g lm cn tr trn cc li i li.10.11.Phi b tr y n chiu sng cc li i li, cu thang v ti cc v tr lm vic

khi tri ti.

n phi b tr sao cho nh sng khng chiu trc tip vo mt cng nhn, khngsng qu, khng rung ng v khng b thay i c|ng nh sng c th nhh|ng n thao tc ca cng nhn.

10.12.Trong x|ng cng nh| ti tng v tr lm vic c cng nhn phi bo thng gi tnhin hoc thng gi nhn to theo ng cc tiu chun hin hnh

10.13.Cc my t trong x|ng khi vn hnh gy ting n ln hoc gy chn ng gii hncho php phi c hin php cch li, trnh lm nh h|ng n ng|i lm vic xung

quanh.10.14.khu vc x|ng phi c y n|c ung, nh tm, nh v sinh theo tiu chun

hin hnh.

10.15. nhng v tr lm vic c sinh bi phi c thit b ht bi bo m nng bikhng v|t qu gii hn cho php.

10.16.Phi sp xp my v vt liu theo trnh t ca dy chuyn sn xut v cung cp vtliu, bn thnh phm cng nh| thnh phm theo cng mt chiu v theo |ng ngnnht.

Nhng my cng c yu cu phi tp trng s ch ca cng nhn th phi t nhngv tr ring bit, xa ni c ng|i qua li.

10.17.Tt c cc h phn iu khin my phi t v tr an ton v d dng thao tc.10.18.V tr t my phi bo m sao cho khi tho d hoc sa cha khng lm nh h|ng

n my bn cnh v khng lm nh h|ng n thao tc ca cng nhn

10.19.nhng v tr cng nhn c th ngi lm vic, phi trang b y gh v ph|ngtin cn thit khc.

10.20.Tt c nhng c cu an ton ca my u phi |c lp v bo m ng tt.Cm v vn hnh cc my cng c khi ch|a lp y cc c cu an ton.

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10.21.Tr|c khi sa ch my truyn ng bng ai truyn phi tho ai truyn ra khibnh xe.

10.22.Nhng b phn chuyn ng lp trn cao, nh|ng cn phi theo di v iu chnhth|ng xuyn th phi lm sn thao tc rng t nht l 0,90m v c lan can bo vcao lm.

10.23.Cc my dng ng c in hoc c lp in chiu sng phi c ni t bo v.10.24.Phi nh k kim tra cc b phn chuyn ng t nht l 2 ln trong mt nm v ktqu kim tra phi ghi vo s theo di my.

10.25.Cm tra du m vo my khi my ang vn hnh.10.26.Cm tho hoc lp cc ai truyn bng khi my ang vn hnh.10.27.Cc u ni ai truyn phi bo m chc chn.10.28.Trn bn my ch |c cc vt ang gia cng v nhng dng c cn thit cho vic

gia cng.

10.29.Phi ct ngun in vo my trong cc tr|ng hp sau:Khi ngng vic, d trong thi gian ngn;

Khi b mt in;

Khi lau my hoc tra du, m vo my.

10.30.Phi dng my li trong cc tr|ng hp sau:Khi ly vt gia cng ra khi my nu my khng |c trang b b phn t ng |avt ra ngoi khi my ang vn hnh.

Khi thay i dng c, thit b.

10.31.Nhng my khi gia cng c cc phoi kim loi hoc tia la bn ra, phi c l|i chechn. Tr|ng hp khng th lm thit b che chn |c, phi trang b cho cng nhny cc trang b phng h theo ng ch hin hnh.

10.32.Tr|c khi m my kim tra li cc b phn ca my bo m tnh trng tt v y thit b an ton.

10.33.Khi my ang vn hnh nu pht hin thy nhng hin t|ng bt th|ng phi gngmy ngay v bo cho x|ng tr|ng bit.

10.34.Cc thit b in b hng, phi ct in v bo ngay cho th in n sa cha, cmt sa cha.

10.35.Khi kt thc cng vic, phi tt my v ch |c ri khi my sau khi lau chisch s v kim tra cn thn.

11. S dng bi tum, mattit v lp cch li11.1. Bi tum, mattit, iu ch v vn chuyn.11.1.1. Ni iu ch v nu bitum, mattit, phi t cch xa cng( trnh d chy t nht nht

l 50m, ng thi phi |c trang b y cc ph|ng tin cha chy.

11.1.2. Tr|c khi ly bitum thng ra nu, phi lt nghing thng cho n|c thot htra ngoi.

11.1.3. Cng nhn lm nhng cng vic c tip xc vi bitum, mattit phi qua lp o tongh v cng tc ny.

11.1.4. Cng nhn lm nhng cng vic tip xc vi bitum, mattit nng chy phi c giychng nhn sc kho do c quan y t cp. Nhng cng nhn c bnh ngoi da

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hoc bnh |ng h hp v nhng ph n ang cn cho con b khng |c lmvic ny.

11.1.5. Khi iu ch, un nng bitum, mattit phi bo m nhng yu cu sau:a. Thng nu phi c np lm bng vt liu khng chy v y kn. Khng |c

bitum, mattit vo qu 3/4 dung tch ca thng.

b. Cm dng nhng thng c hin t|ng r r nu.c. Bitum cho vo thng nu phi m bo kh ro, trong qu trnh iu ch v

nu bitum, mattit khng |c n|c ri vo thng nu.

d. Tr|ng hp dng nhin liu lng (du ho, du mat v.v...) un nngbitum lm chng thm cho mi, cho php |c t l nu trn mi nu khngc nguy c gy chy nh hoc cng trnh .

11.1.6. Khi vn chuyn bitum, mattit nng chy phi bo m cc yu cu sau:a. Cc dng c mc, cha bitum, mattit nng chy nh|: go c cn di, x,

thng phi kh v tt.

b. Vn chuyn bitum, mttit nng chy n ni thi cng phi bng cc ph|ngtin c gii cha trong cc thng kim loi c np y kn v khng |c ngqu 3/4 dung tch thng.

c. Ch |c vn chuyn cc thng bitum, mattit chy bng cc ph|ng tin thcng khi khng th dng |c cc ph|ng tin c gii:

d. Phi dng go c cn di mc bitum, mattit nng chy.11.1.7. Vn chuyn cc thng bitum nng chy ln cao phi dng cc ph|ng tin c gii.11.1.8. Cm bitum |t vo thng bitum nng chy.11.1.9. Khi cn pha bitum vi xng hoc du phi bo m nhng yu cu sau:

a. Cng nhn pha ch phi ng u gi ch |c bitum t t vo dukhuy nh bng thanh g. Cm du vo bitum nng chy.b. Nhit ca bitum trong qu trnh pha ch hn hp phi thy hn nhit tbc chy ca dung mi pha ch t nht l 30oC.

c. Ni pha ch bitum phi thong gi v cch xa ngn la trn t nht l 20m11.2. Lp cch li11.2.1. Khi ri bitum, phi i git li ng|c h|ng gi thi. Cng nhn phi mang y

cc trang b phng h: khu trang, gng tay, ng cao su. Nhng ng|i khng cnhim v khng |c n gn khu vc ang ri bitum.

11.2.2. Khi ri bitum trn mi phi c bin php phng bitum nng chy ri vo ng|i bn d|i.

11.2.3. Tr|c khi ht u t lp cch li cho thit b cng ngh, phi ngt in hon toncc ng c in ca thit b , ng thi cc cp hi, v cc dung dch cngngh phi |c nt bt li tht chc chn. Ti nhng v tr ny phi treo bin bo cng|i ang lm vic.

11.2.4. t lp cch li cho cc thit b cng ngh, cc |ng ng phi tin hnh ngay trnmt bng, tr|c khi lp t chng, hoc sau khi chng |c c nh theo nh|thit k.

11.2.5. Cm m cc van, cc tm ngn, cc kho vi hoc ln chng khi t lp cch licho cc thit b cng ngh, |ng ng.

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11.2.6. Cng nhn lm lp cch li bng sn, bitum nng chy trong cc phng kn, ging,ho... phi s dng mt n, knh phng h v xoa du, cao c bit vo nhng phnh trn c th:

Sau khi tm ngng hoc kt thc cng vic ni trn, phi t bin bo cm ng|ili gn nhng khu vc ny. Ch |c vo bn trong lm vic tip tc khi c lnhca cn b k thut thi cng hoc i tr|ng v khi nng cc cht c trongkhng kh gim xung t nht bng gii hn cho php ca cc tiu chun vsinh.

11.2.7. Cng nhn t lp cch li bng bng khong hng thu tinh hoc cc vt liut|ng t phi s dbg knh phng h, gng tay, khu trang. Qun o lm vic phi|c ci kn cc c v tay o.

11.2.8. Khi t lp cch li bng bng thu tinh gn cc |ng dy in ang vn hnhphi ct in.

12. Cng tc t12.1. Yu cu chung12.1.1.

Nhng quy nh ca phn ny c hiu lc i vi cng tc o t h mng,|ng ho l thin c hoc khng c chng vch trong cc cng trnh xy dng.

i vi cng trnh xy dng chuyn ngnh nh| giao thng, thu li, nngl|ng...ngoi vic thc hin nhng quy nh ca phn 12 v cc phn c lin quantrong quy phm ny cn phi thc hin cc quy nh ring v k thut an ton thicng thuc chuyn ngnh (quy trnh k thut an ton thi cng cu, quy trnh kthut an ton thi cng nn |ng...).

12.1.2. Ch |c php o t h mng, |ng ho theo ng thit k thi cng |cduyt, trn c s ti liu kho st a hnh, a cht, thu vn v c bin php kthut an ton thi cng trong qu trnh o.

12.1.3. o t trong khu vc c cc tuyn ngm (dy cp ngm, |ng ng dn n|c,dn hi...) phi c vn bn cho php ca c quan qun l cc tuyn v s chdn v tr, d su ca cng trnh, vn bn tho thun ca c quan ny v ph|ng nlm t, bin php bo v v bo m an ton cho cng trnh.

n v thi cng phi t bin bo, tn hiu thch hp ti khu vc c tuyn ngm vphi c cn b k thut gim st trong sut qu trnh lm t.

12.1.4. Cm o t gn cc tuyn ngm bng my v bng cng c gy va mnh nh|x beng, cuc chim, chong c, thit b dng kh p.

Khi pht hin cc tuyn ngm l hoc khng ng vi s ch dn hoc gp ccvt tr ngi nh| bom, n, mn... phi ngng thi cng ngay xem xt v c binphp x l thch hp. Ch sau khi c bin php x l m bo an ton mi

cng nhn tip tc vo lm vic.12.1.5. o t gn |ng cp in ngm ang vn hnh nu khng |c ct php in

phi c bin php m bo an ton v in cho cng nhn o (dng dng c cchin, c trang b phng h cch in) v phi c s gim st trc tip ca c quanquan l |ng cp trong thi gian o.

12.1.6. Khi ang o t nu thy xut hin hi, kh c hi phi lp tc ngng thi cngngay v cng nhn phi ra khi ni nguy him cho n khi c cc bin php khht hi kh c hi .

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Cng nhn lm vic trong khu vc ny phi hiu bit cc bin php m bo anton lao ng v phi |c cung cp y mt n phng c.

12.1.7. o h mng, dng ho... gn li i, tuyn giao thng, trong khu vc dn c| phic ro ngn v bin bo, ban m phi c n bo hiu.

Ro ngn phi t cch mp ngai l |ngkhng nh hn l mt.

12.1.8. trong khu vc ang o t phi c bin php thot n|c ng (k c khi m|ato) trnh n|c chy vo h o lm st l thnh h o.

Trong khi ang o t phi bm ht n|c cc h mng, |ng ha phngt b st l. o t n mc n|c ngm th tm ngng v phi c bin php gin nh vch mi tip tc o. (H mc n|c ngm lm chng vch)

12.1.9. o h mng, |ng ho vng t c m t nhin v khng kh c mchn|c ngm c th o thng vch (khng cn chng vch) vi chiu su o.

Khngqu lm vi loi t mm c th o bng cuc bn;Khng qu 2m vi loi t cng phi o bng x beng, cuc chim, chong.

12.1.10. Trong mi tr|ng hp o t khc vi iu kin iu 12.1.9 phi o t c midc hoc lm chng vch.

12.1.11. Khi ang o t nu do iu kin thin nhin hay ngoi cnh lm thay i trngthi t nh| nn b ngm n|c m|a ko di, t qu m hay no n|c n v thicng phi kim tra li thnh h o, mi dc. Nu khng m bo an ton phi cbin php gia c chng tr|t, st l t, sp vch chng bt ng. (Gim nghing dc, tm ngng vic ch t kh hoc gia c|ng vch chng ). Cc loibin php ra phi |c ch huy cng tr|ng xt duyt.

12.1.12. Khi o h mng, |ng ho c mi dc hoc c chng vch khng |c php tti trng sai v tr, khu vc v chng loi quy nh trong thit k thi cng nh|:xp vt liu, t o, t xe my, |ng ray, |ng gong; di chuyn xe c

dng ct din... khng ng ni hoc v tr quy nh ca thit k.Khi cn thit t ti phi tnh ton li nh h|ng v tc ng ca n i vi anton trong thi cng h mng, |ng ho (khng gy tr|t, st l t, ph hng ktcu chng vch...) v phi |c bn thit k chp nhn bng vn bn.

12.1.13. Cm o theo kiu "hm ch" hoc pht hin c vt th nhm phi ng thi cngngay v cng nhn phi ri khi v tr n ni an ton. Ch |c thi cng tipsau khi ph b "hm ch" hoc vt th ngm .

12.1.14. Hng ngy phi c ng|i kim tra tnh trng vch h o, mi dc. Nu pht hinvt nt dc theo thnh h mng, mi dc phi ngng lm vic ngay. Ng|i cngnh| my mc, thit b phi chuyn n v tr an ton. Sau khi c bin php x lthch hp mi |c tip tc lm vic.

12.1.15. Khi o ngm d|i |ng c xe c qua li phi theo cc quy nh sau:Tr|c khi o phi bo cho cc n v th|ng trc cha chy v n v cnh stgiao thng khu vc bit.

o |ng ngm qua |ng phi chia lm hai t, mi t ch |c o mt nachiu rng |ng.

12.1.16. o h mng, |ng ho trong phm vi chu nh h|ng ca xe my v thit b gychn ng mnh phi c bin php ngn nga s ph hai mi dc.

12.1.17. Khu vc o t c cy ci phi c bin php cht cy, o gc an ton.

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Tr|c khi cht cy phi c tn hiu m thanh bo hiu cho ng|i khi khu vcnguy him.

Dng my o gc cy phi c bin php phng t dy ko.

12.1.18. Dng vt liu n ph b cc khi ngm mng nh c hoc lm ti khi tqu rn phi lm theo cc quy nh v s dng vt liu n hin hnh.

12.1.19. Li ln xung h mng phi lm bc di t nht l 0,7m rng 0.40m. Khi h ohp v su phi dng thang ta. Cm bm vo cc thnh chng vch hoc chngtay ln ming h o ln xung.

12.1.20. Ly t bng gu, thng... t h mng, ung ho ln phi c mi che hoc l|ibao v chc chn bo m an ton cho cng nhn o. Khi nng h gu, thng...phi c tn hiu thch hp ( m thanh, nh sng.. ) trnh gy tai nn.

12.2. o t c mi dc12.2.1. o h mng, |ng ho khc vi quy nh iu 12.l.8, 12.l.9 phi to mi dc

(nu khng lm chng vch) theo cc gc nghing khng ln hn cc tr s bng5.

12.2.2. Cm o t ct, ct pha st bo ho n|c m khng c chng vchTrng thi t

t m(kh) m |t

Loi t

gc giami dc

v |ngnm

ngang

(tnh theo)

t s giachiu caoca midc vhnhchiu

trn mtphngngang

gc giami dc

v |ngnm

ngang

(tnh theo )

t s giachiu caoca midc vhnhchiu

trn mtphngngang

gc giami dc

v|ngnm

ngang

(tnhtheo )

t s giachiu

cao cami dcv hnhchiu

trn mtphngngang

1 2 3 4 5 6 7

Si dm

Ct ht to

Ct ht trung bnh

Ct ht nh

St pha

t hu c (t mc)

t mc khng c r cy

400

300

280

250

500

400

400

11,20

11,75

11,9

12,15

10,84

11,20

11,20

400

320

350

300

400

350

250

11,20

11,60

11,45

11,75

11,20

11,45

12,15

350

250

250

200

300

250

150

11,45

12,15

12,15

12,77

11,75

12,15

13,75

12.2.3. i vi mi dc di hn 3m v dc ln hn l: l hoc mi dc c dc ln hnl: 2 nh|ng b m |t, th cng nhn lm vic trn phi eo dy an ton buc vocc neo gi chc chn.

12.2.4. Phi th|ng xuyn dn sch t, v vt liu trn ming h mng, trn mt mio phng cc vt ln xung bt ng.

12.3. o t c chng vch

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12.3.1. Khi o h mng, |ng ho khng to mi dc theo quy nh iu 12.2.l. philm chng vch theo quy nh bng 6.

Bng 6

Kiu chng vchLoi t

o su n 3m o su t 3 n 5m o su t 5m tr ln

t c m t nhin Chng ngang v cch qung

Chng ngang lin tc(kht)

Chng theo thit k

t c m cao, tri

Chng ngang hoc lintc (kht)

Chng ng Chng theo thit k

Tt c cc loi t khic n|c ngm mnh

ng vn c su vo y h mng t nht l0,75

Chng theo thit k

12.3.2. Khi chng vch ho, h mng c su d|i 5m nu khng c vch chng ch tosn th phi dng vn chng theo quy nh sau:

Dng vn c chiu dy t nht l 5cm v rng t 20 n 2cm, t st vo h o.

Cc ct chng hay thanh chng gi vn phi t cch nhau t 1,,5 n 2,00mtu thuc vo tnh cht c t v chiu su h o.

Khong cch gia cc thanh chng ngang trn ph|ng thng ng khng ln hnlm. pha trn v d|i mi u thang chng ngang phi c np giaCc thanh chng ngang phi b tr nm trn cng mt mt phng theo chiu caocng nh| theo chiu ngang.

Cc vn chng phi t nh ln khi mt t o t nht l 15cm.

12.3.3. i h mng rng phi tnh ton thit k c th h thng chng vch.12.3.4. o h mng, |ng ho ni m |t hoc t ct d b st l phi dng vn ghp

mng chng kht ln nhau v phi ng su xung y h o mt khong t nhtbng 0,75m.

12.3.5. o h mng, |ng ho vng t ct chy phi tnh ton thit k vn chngring trong bao gm cc bin php gia c vch chng v h mc n|c ngm.

12.3.6. o h mng, |ng ho ngay cnh cc h o c lp t nh|ng lp t ch|an nh phi c bin php gia c vch chng chc chn v trong qu trnh o phith|ng xuyn quan st tnh trng ca vch chng.

12.3.7. Phi tho vn chng t d|i ln v c cn b k thutt thi cng gim st. Khng|c tho lin mt lc 3 vn chng theo ph|ng thng ng. Ni t m |t v ctchy ch |c tho tng tm mt. Cm ng|i khng c nhim v ng d|i hoctrn ming h o khi ang tho chng vch.

12.3.8. Tho vn n u phi gia c ngay cc thanh chng v tr cho n khi tho htvn.

Khi tho cc thanh chng ra khi h, sau khi hon thnh cng vic phi ht sccn thn phng tai nn do st l t bt ng.

12.3.9. Nu tho chng vch nhng vng t b st l hoc bn cnh cc cng trnhc c th lm mt n nh vch h o hoc cng trnh , phi tho tng phnhoc li ton b vch chng .

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12.3.10. Khi o t bng my phi dng loi chng vch khng c thang chng hoc nukhng chng vch phi to mi dc nh| quy nh iu 12.2.1

12.4. o t th cng12.4.1. Tr|c khi o t, cn b k thut thi cng phi xem xt trng thi ca t c

bin php o thch hp.

Cng nhn o t phi |c trang b y cc dng c theo ch hin hnh.12.4.2. Dng cuc, xng hoc bt k dng c cm tay no khc phi ng quy nh phn

5 ca quy phm ny. c bit cn l|u iu 12.l.5 ca phn ny.

12.4.3. t o d|i y h mng, |ng ho ln phi vo khu vc, v tr |c quyinh trong thit k thi cng nh|ng phi cch ming h t nht l 0,50m. t lnming h o phi c dc t nht l 450theo mt phng ngang.

Khi o t bn s|n i, ni phi c bin php chng t, ln bt ng theo midc.

12.4.4. Cng tc thot n|c, kim tra tnh trng vch h o mi dc, lm bc ln xungphi theo ng quy nh cc iu 12.l.8, 12.l.ll, 12.l.19 ca phn ny.

Sau mi trn m|a nu tr li lm vic ngay phi rc ct vo bc ln xung trnhtr|t ng.

12.4.5. Cm ngi ngh cnh h o hoc thnh t p.12.4.6. o h mng, |ng ho su hn 2m phi b tr t nht l hai cng nhn cng lm

vic, nh|ng phi ng cch xa nhau c th cp cu kp thi khi xy ra tai nnbt ng.

12.4.7. Trong khu vc ang o t nu c nhiu ngi cng lm vic phi b tr khongcch gia ng|i ny v ng|i kia bo m an ton.

Cm b tr ng|i lm vlc trn ming h t trong khi ang c ng|i lm vic bnd|i h o cng mt khoang m t, c th ri, l xung ng|i d|i,

12.5. o t bng my12.5.1. o t bng my xc12.5.1.1. o t bng my xc trong h mng, |ng ho c chung vch phi c bin

php ngn nga chng vch h h| hng.

12.5.1.2. Nu o thnh bc th chiu rng ca mi bc khng |c ln hn 2,5m, tytheo c im ca my, cn chiu cao mi bc khng |c v|t qu chiu caog|ng cn ln nht ca my.

12.5.1.3. Nhng tng , ly t h o ln, phi vo ni quy nh sao cho khng lmcn tr s di chuyn ca my khi xy ra s c.

12.5.1.4. Trong thi gian my hot ng, cm mi ng|i i li trn mi dc t nhin cngnh| trong phm vi bn knh hot ng ca my. Khu vc ny phi c bin bo.

12.5.1.5. Nn t my phi n nh, bng phng. Nu nn t yu phi lt t vt xe phic vt k chn chc chn.

12.5.1.6. Khi vn hnh v di chuyn my xc phi thc hin y cc quy nh chungtrong phn 6 ca quy phm ny (kim tra tnh trng my, v tr t my, thit ban ton, phanh hm, tn hiu, m thanh , cho my chyth khng ti, bn giaotnh trng my sau mi ca lm vic, di chuyn my d|i |ng dy in cao th.

12.5.1.7. Cm ng|i khng c nhim v tro ln my xc khi my ang lm vic.

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12.5.1.8. Cng nhn ph my phi lm ng nhim v ca mnh v tr cng tc |cgiao.

12.5.1.9. Cm thay i nghing ca my xc khi gu xc ang mang ti.12.5.1.10. Cm iu chnh phanh khi gu xc ang mang ti hay ang quay gu. Cm hm

phanh t ngt.

12.5.1.11. Cm my xc hot ng khi ang dng tay c nh dy cp. Cm dng tay nn thngy cp khi ang dng ti qun cp.12.5.1.12. Phi th|ng xuyn kim tra tnh trng ca dy cp. Cm dng cp b ni12.5.1.13. Khi ngng vic phi di chuyn my xc ra khi g|ng tng v h gu xung t.

Ch |c lm sch gu xc khi h gu xung t.

12.5.1.14. Ch |c cho my xc lm vic v ban m hoc lc c s|ng m khi mbo chiu sng y .

12.5.1.15. Trong bt k tr|ng hp no khong cch gia cabin my xc ngom l gu vthnh h o khng |c nh hn lm.

12.5.1.16. Khi di chuyn my xc trn on |ng c dc ln hn 150phi c s h trca my ko hoc ti.

Khi di chuyn khng |c gu xc mang ti v gu phi t dc theo h|ngdi chuyn ca my, ng thi h cn cch mt t t 0,5 n 0,9m.

12.5.1.17. Nu lm vic nhiu ca th cng nhn vn hnh my ca tr|c khng |c phpri khi my nu ng|ivn hnh ca sau ch|a n. Vic bn giao tnh trng lmvic ca my cho ca sau phi ghi vo s giao ca ca my .

12.5.1.18. Khi iu khin gu xc t vo thng xe t phi quay gu qua pha sauthng xe v ng gu gia thng xe. Sau h gu t t xung t

Cm iu khin gu xc qua bung li.

Cm cng nhn li xe ngi trong bung li khi my xc ang t vo thngxe.

12.5.2. o t bng my i12.5.2.1. Tr|c khi lm vic cng nhn li my phi kim tra li tt c cc b phn ca

my.

12.5.2.2. Khi o t bng my i phi quy nh phm vi hot ng ca my.Cm mi ng|iili, lm vic trn |ng di chuyn ca my, k c tr|ng hpkhi my phi tm dng li.

12.5.2.3. Cm dng my i o t trn cc mi dc ln hn 300. Cm th ben ra khimp h mng, |ng ho (khi t).

12.5.2.4. Khng |c dng my i thi cng ni t bn ly.12.5.2.5. Trn |ng di chuyn my nu c ch|ng ngi vt phi ng my ngay.

Ch sau khi c bin php x l cc ch|ng ngi mi cho my hot ng trli.

12.5.2.6. Cng nhn li my phi lun lun thc hin cc quy nh sau:Khi my di chuyn phi quan st pha tr|c.

Ban m hoc tri ti khng |c lm vic nu khng |c chiu sng y

Khi ngng lm vic phi h ben ln mt t.

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Ch |c lau chi, tra du m vo nhng ch quy nh.

12.5.2.7. Khong cch ti thiu gia hai my i (tnh t im bin gn nht gia haimy) cng lm vic trn mt mt bng l 2m.

12.5.3. o t bng my cp.12.5.3.1. o t bng my cp phi cch h mng, |ng ho mt khong khng nh

hn 0,50m hoc cch mi dc mt khong khng nh hn l,00m.12.5.3.2. Cm o t bng my cp nhng s|n dc hn 300.12.5.3.3. Cm t thng my ra khi my ang di chuyn.12.5.3.4. Khng |c dng my cp thi cng ni t bn ly.12.5.3.5. Khi my ang di chuyn, cm:

C ng|i ng gia thng my v my ko;

i qua b phn ni thng my v my ko;

12.5.3.6. Khi di chuyn my cp phi h thng cch mt t mt khong t nht l 0,35m.12.5.3.7. Khi my ang hot ng cm sa cha, tra du m v bt k mt b phn no

ca my.12.5.3.8. Phi tho thng xe ra khi my ko khi cng nhn sa cha cc b phn d|i

thng xe.

12.5.3.9. Cm dng my cp o t nhng ni ch|a dn sch cy ci, tng hoccc ch|ng ngi vt khc.

12.5.3.10. Phi ch iu khin my khi o t trn cc mi dc.12.5.3.11. Khi s dng cc loi my o t nh|: my xc, my i, my cp ngoi quy

nh trn phi tun theo cc quy nh ch|ng 6 ca quy nh ny.

12.6. o ging v h thm d12.6.1. o ging v o h thm d trong nhng iu kin khc vi quy nh iu

12.l.9 ca phn ny phi c chng vch.

12.6.2. Khi o ging v o h thm d phi theo cc quy nh sau:Pha trn ming h o phi c l|i thp che chn phng t, trn mingh ri xung.

Thng chuyn t t d|i ln phi buc chc chn vo u dy ko. Khichuyn cc tng t d|i h o ln, cng nhn phi ln khi h.

Khng |c cht vt liu y qu ming thng.

Cng nhn phi ln khi h o khi chuyn t t d|i ln nu khng c miche chn.

12.6.3. Khi c ng|i ang lm vic d|i h o, cm lm bt k vic g c th pht sinh ratia la trong h o.12.6.4. Cng nhn xung h su phi dng thang hoc thng nng. Dy ko phi ly vi

h s an ton bng 9 ln ti trng thc t, l|ng d tr dy ko khng nh hn 6vng tang trng ti v ti quay phi c nh chc chn.

12.6.5. Tr|c khi cng nhn xung h o phi kim tra bo m khng c hi kh chi d|i h. Nu c hi kh c hi khng |c cng nhn xung h v phic bin php kh ht hi c hi .

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12.7.20. Phi th|ng xuyn xem xt tnh trng ca thnh chn, nu c nguy c v phic bin php sa cha ngay.

12.7.21. Sau khi ngng lm vic phi:Bo hiu ng trm bm;

ng van sng phun;

Ht ht bn vo ni cha;12.7.22. Khi b tr nhiu ca lm vic trong l ngy phi c s giao ca, trong ghi r tnh

trng ca cc my v thit b.

13. Cng tc mng v h ging chm13.1. Lm mng t|ng13.1.1. Cm hoc nm vt liu (gch, ...) t trn ming h mng xung h. Phi

dng cc ph|ng tin c gii hoc mng dn |a vt liu xung h mng; ud|i ca mng dn phi t cch y h mng khng ln hn 0,5m.

13.1.2. |ng i li, vn chuyn vt liu phi nm ngoi vng lng th st l ca hmng.

13.1.3. Tr|c khi cho cng nhn xung lm vic h mng cn b k thut thi cng phikim tra tnh trng n nh ca thnh h mng. Trong qu trnh thi cng mng nupht hin c nguy c st l thnh h phi. nhanh chng cho mi ng|i ri khivng nguy him.

13.1.4. Ln xung h mng phi c thang chuyn dng. Cm mi ng|i ln xung bngcch u, nhy, hoc li dng h vng chng ln xung.

13.1.5. Vt liu lm mng phi cch mp h mng lm v phi c vn chn.13.2. Lm mng cc.13.2.1. Cng nhn iu khin my ng cc phi qua cc lp o to ngh v iu khin

cc loi my . Cc cng nhn khc ch |c lm cc vic ph v phi theo sh|ng dn ca cn b k thut thi cng hoc ca i tr|ng ph trch cng tcny.

13.2.2. Khi t chc lm theo ca th phi c s giao ca bn giao c th tnh hnh trongqu trnh ng cc, tnh trng ca my v thit b. Cn b k thut thi cng hoci tr|ng phi kim tra, x l nhng vn ghi trong s giao ca tr|c khi cngnhn lm vic.

13.2.3. Vic sp xp cc phi m bo thun tin. V tr v cc mc buc cp vo cc cu phi theo ng quy nh ca thit k.

13.2.4. Dy cp dng ko cc bng c gii phi c h san ton khng nh hn 6 vkhng nh hn 4 khi ko bng th cng.

13.2.5. Tr|c khi dng cc phi kim tra cht l|ng cc loi b nhng cc khng mbo an ton, nhng ng|i khng c nhim v phi ng ra ngoi phm vi angdng cc mt khong t nht bng chiu cao thp cng thm 2m.

13.2.6. Ch |c ko cc bng dy cp l|un qua rng rc chuyn h|ng khi cc rng rcny c nh vo my theo ph|ng thng ng v cc nm trong phm vi tmnhn ca ng|i iu khin.

13.2.7. Dng cc xong, phi c thit b gi cc vi thp cc khng hoc sai lch|ng tim. Phi lun lun bo m |ng tim cc trng vi |ng tim ba. ucc phi kht vi u ba.

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13.2.8. t cc vo v tr xong, phi kim tra k v tr tim cc (khi ng cc thng ng)hoc nghing (khi ng cc xin) theo yu cu ca thit k, sau mi h baxung u cc.

13.2.9. Cc ph dng ng su cc chnh phi chu |c lc ng ca ba.13.2.10. Khi dng my ng cc nh cc ln phi gia c|ng gi my bng cc dy

chng no chc chn.13.2.11. Khi cn sa cha iu chnh li cc phi cho ba ngng p v h ba st u

cc. Khi sa cha u cc phi nng ba cch u cc mt khong khng ln hn0,3m, ng thi phi gi ba bng dy hoc cht.

13.2.12. Khi ct cc u tha ca cc b tng phi thc hin cc bin php an ton phngnga mnh b tng vng bn hoc u cc vo ng|i.

13.3. H ging chm13.3.1. Thi cng ging chm phi theo ng chi dn ca thit k. Qu trnh ch to cng

nh| h ging lun lun gi cho ging |c cn bng

tcvn 5308 1991

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