Qhov yuav tsum tau ua ntawm kev npaj geotextile:
1. Cov leeg yuav tsum sib tshuam rau txoj kab nqes loj; qhov twg nws yog sib npaug nrog txoj kab nqes ntaiv lossis yuav muaj kev ntxhov siab, qhov kev ncua deb ntawm kev sib koom ua ke tav toj yuav tsum ntau dua 1.5m.
2. Nyob rau ntawm txoj kab nqes saum npoo, thauj tog rau ib kawg ntawm cov geotextile, thiab tom qab ntawd muab cov ntawv npog coiled rau ntawm txoj kab nqes saum npoo kom paub tseeb tias cov geotextile tseem nyob hauv lub xeev nruj.
3. Txhua qhov geotextiles yuav tsum tau tuav cia nrog lub hnab ntim xuab zeb. Lub hnab xuab zeb yuav siv thaum lub sijhawm tso thiab yuav tseg rau txheej txheej ntawm cov khoom saum ntawm kev tso.