1. Kev ntsuas thiab kev sib koom ua ke
Ua raws li cov cim hauv cov duab kos rau kev teeb tsa, raws li cov ntsiab lus thiab qhov siab uas tus kws ua haujlwm saib xyuas neeg nyob hauv nroog tau xa tuaj, siv ib lub theem los txuas, thiab xa mus rau tus kws ua haujlwm saib xyuas neeg nyob hauv nroog kom kuaj xyuas.
2. Kev khawb av hauv paus
Lub qhov av hauv paus yuav tsum tau khawb kom raug raws li qhov siab thiab qhov ntev ntawm cov duab uas tus qauv tsim xav tau, thiab lub hauv paus yuav tsum tau ntxuav thiab nias kom nruj tom qab khawb.
3. Kev nchuav rau hauv paus
(1) Ua raws li cov lus qhia ntawm cov khoom siv uas tau teev tseg hauv cov duab kos thiab txoj kev khi uas tau teev tseg hauv cov lus qhia txog kev siv tshuab, ua qhov khi thiab teeb tsa cov hlau yooj yim, thiab xyuas kom meej nrog tus kws ua haujlwm saib xyuas nyob hauv.
(2) Cov khoom hauv paus uas tau muab tso rau hauv yuav tsum tau kub-dip galvanized.
(3) Cov pob zeb uas nchuav yuav tsum tau do kom sib npaug raws li qhov sib piv ntawm cov khoom siv, nchuav rau hauv cov txheej kab rov tav, thiab qhov tuab ntawm kev co tamping yuav tsum tsis pub tshaj 45cm kom tiv thaiv kev sib cais ntawm ob txheej.
(4) Cov pob zeb ua vaj tse raug nchuav ob zaug, thawj zaug nchuav yog li 20cm saum lub phaj anchor, tom qab cov pob zeb ua vaj tse tau khov kho thawj zaug, cov scum raug tshem tawm, thiab cov bolts embedded raug kho kom raug, tom qab ntawd cov seem ntawm cov pob zeb ua vaj tse raug nchuav kom ntseeg tau tias lub hauv paus. Qhov yuam kev kab rov tav ntawm qhov flange installation tsis ntau tshaj 1%.
