Overhead Crane Service Chav Kawm Xaiv yooj yim li 1-2-3:
Xaiv qhov kev pabcuam raug cai rau koj cov nyiaj siv ua haujlwm crane feem ntau yog qhov yooj yim heev.
1) Txiav txim siab seb koj yuav siv lub crane li cas.
a) Koj yuav nqa hnyav npaum li cas.
b) Koj yuav khaws qhov hnyav npaum li cas
c) Nws yuav txav mus deb npaum li cas.
Cov chav kawm ntawm kev pabcuam crane tuaj yeem cuam tshuam rau kev tsim thiab tus nqi ntawm lub tsev framing siv rau kev txhawb nqa ntawm lub crane system. Tus neeg yuav khoom yuav tsum hais qhia qhov kev pabcuam crant thaum thov cov lus hais los ntawm cov neeg muag khoom crane lossis cov neeg cog lus dav dav.
CMAA Crane Service Specifications:
1) Cov chav kawm pabcuam tau tsim los pab tus neeg yuav khoom kom paub meej cov neeg nqa khoom zoo tshaj plaws (trolley) lossis crane rau kev teeb tsa tshwj xeeb.
Txhawm rau txiav txim siab txog kev faib cov khoom siv kom raug, nws yuav tsum raug sau tseg tias muaj peb hom kev ua haujlwm yooj yim uas yuav tsum tau txiav txim siab. Lawv yog Crane mus ncig, Carrier (Trolley) mus ncig thiab Hoist mus ncig. Cov kev cai tshwj xeeb tau qhia rau cov khoom siv no uas tsim los ntawm kev faib tawm Txhua chav ntawm cranes raug cuam tshuam los ntawm kev ua haujlwm; Yog li rau lub hom phiaj ntawm cov ntsiab lus no, nws tau xav tias lub crane yuav ua haujlwm hauv qhov kub thiab txias (0℃txog 100℃F) thiab cov huab cua ib txwm muaj (dawb los ntawm cov plua plav ntau dhau, noo noo thiab corrosive fumes)
2) Chav A
Cov chav kawm no tau muab faib ua ob pawg subclasses vim qhov xwm txheej ntawm cov khoom yuav tsum tau ua.
2.1 Chav Kawm A-1 (Standby Service) –Cov chav kawm pabcuam no suav nrog cov cranes siv hauv kev teeb tsa xws li lub tsev fais fab, cov khoom siv hluav taws xob hauv pej xeem, chav turbine, chav tsav tsheb thiab chaw nres tsheb hloov pauv, qhov twg yuav tsum tau tuav cov cuab yeej muaj txiaj ntsig ntawm qeeb qeeb nrog lub sijhawm ntev ntawm kev nqa khoom.
2.2 Chav Kawm A2 (Kev siv tsis tu ncua) -Cov cranes no yuav raug siv rau hauv kev teeb tsa xws li cov khw muag khoom me me, chav twj tso kua mis, cov chaw kuaj sim, thiab cov haujlwm zoo sib xws uas cov loads kuj yog lub teeb, qhov nrawm nrawm thiab qis qis yuav tsum tau tswj kom raug. Cov loads yuav txawv nyob qhov twg los ntawm tsis muaj load mus rau tag nrho lub peev xwm nrog ib tug zaus ntawm ob peb nqa ib hnub los yog hli.
3. Chav B (Kev Pabcuam Teeb)
Qhov kev pabcuam no suav nrog cov cranes xws li cov khoom siv hauv tsev kho mob, kev ua haujlwm ntawm lub teeb sib dhos, cov tsev pabcuam, lub teeb warehousing, thiab lwm yam., qhov kev pabcuam yuav tsum yog lub teeb thiab qhov nrawm nrawm. Loads yuav txawv ntawm tsis muaj load mus rau tag nrho - rated load nrog ib tug nruab nrab load ntawm 50% ntawm lub peev xwm nrog 2 mus rau 5 lifts ib teev thiab nruab nrab 15 ko taw, tsis muaj ntau tshaj li 50% ntawm lub lifts ntawm rated peev.
4. Chav C (kev pabcuam nruab nrab)
Qhov kev pabcuam no suav nrog cov cranes xws li cov khoom siv hauv cov khw muag khoom, cov chav tshuab ntawv tshuab, thiab lwm yam, qhov twg cov kev pabcuam yuav tsum muaj tsawg.
Nyob rau hauv hom kev pabcuam no lub crane yuav tuav cov loads uas nruab nrab 50% ntawm lub peev xwm ntsuas nrog 5 mus rau 10 nqa ib teev thiab nruab nrab 15 ko taw, tsis pub ntau tshaj 50% ntawm cov nqa ntawm lub peev xwm ntsuas.
5. Chav Kawm D (Havy Lub Luag Haujlwm)
Qhov kev pabcuam no suav nrog cov cranes, feem ntau yog cab ua haujlwm, xws li cov khoom siv hauv cov khw muag khoom hnyav, cov chaw tsim khoom, cov chaw tsim khoom, steel warehouses, lumber mills, thiab lwm yam. Loads nce mus txog 50% ntawm lub peev xwm ntsuas yuav raug ua haujlwm tas li thaum lub sijhawm ua haujlwm. Kev kub ceev yog qhov tsim nyog rau hom kev pabcuam no nrog 10-20 nqa ib teev nruab nrab ntawm 15 ko taw, tsis pub ntau tshaj 65% ntawm qhov nqa ntawm lub peev xwm ntsuas.
6. Chav Kawm E&F (Severe Duty & Steel Mill Service)
Cranes nyob rau hauv E&F chav kawm yog them los ntawm qhov teeb meem tam sim no ntawm Lub Koom Haum ntawm Hlau thiab Hlau Engineers Standard No. 13 rau Hluav Taws Xob Hluav Taws Xob Mus Los Cranes rau Steel Mill Service.
