Kutengera njanji ya mphira yosamva kuvala, yokhala ndi chiŵerengero chochepa cha kupanikizika ndi kugwira mwamphamvu, sikumira mosavuta ndi kutsetsereka, ndipo imatha kudutsa mosavuta m'malo ovuta kwambiri monga matope, matope, maenje, mabwinja, otsetsereka, ngalande, ndi malo odzaza madzi omwe magalimoto wamba sangalowemo. Panthawi imodzimodziyo, ndi yoyenera kwa malo otsika, otsekedwa, ndi ochepa malo monga magalasi apansi panthaka, tunnels, ma culverts, ndi njira zopapatiza, ndipo amatha kusuntha ntchito zotsekera kuti athetse ululu wolowera movutikira komanso kuyenda kochepa kwa zida zamtundu wa ngalande. Kusinthasintha kwa malo ake kumaposa kwambiri zida zamatayala zotayira madzi.
2, Ntchito yakutali yopanda anthu imatsimikizira chitetezo cha ogwira ntchito
Chipangizochi chimathandizira kuwongolera opanda zingwe ndipo chimakhala ndi kufalitsa zithunzi ndi ntchito zowunikira usiku. Ogwiritsa ntchito amatha kugwiritsa ntchito chipangizochi patali pamalo otetezeka popanda kufunikira kwa ogwira ntchito kuti adutse m'madzi, kuyandikira malo omwe ali pachiwopsezo chachikulu monga kusefukira kwamadzi, kusefukira kwamadzi, ndi ntchito zapansi panthaka. Kupeŵa bwinobwino zoopsa za chitetezo monga kumira, kuphulika kwa nthaka, mpweya woipa, ndi kutayikira kwa magetsi, kukwaniritsa ntchito zopanda ntchito zowonongeka zowonongeka, komanso kupititsa patsogolo chitetezo cha chitetezo cha kusefukira kwa madzi ndi ntchito zopulumutsira komanso ngalande zapansi pansi.
3, High dzuwa ndi lalikulu otaya mlingo, khola ndi odalirika ngalande ntchito
Zokhala ndi makina opangira ma hydraulic drainage system komanso zodzikongoletsera zokha, sizifuna madzi akumwa pamanja ndipo zimatha kudzazidwa ndi madzi mwachangu mukayatsidwa. Imathandizira kukhetsa kwamadzi kosalekeza ndi kuthamanga kwapamwamba komanso mutu wapamwamba, ndipo imatha kutulutsa madzi osaya komanso akuya osonkhanitsidwa, kuthana bwino ndi kusefukira kwamadzi m'matauni, kutsekeka kwamadzi amadzimadzi, kuthirira madzi m'minda ndi zina zoopsa. Zitsanzo zina zimakhala ndi dongosolo lanzeru loyambira kuyimitsidwa koyipa, lomwe limatha kungoyambira ndikuyimitsa molingana ndi kuchuluka kwa madzi ndi kupanikizika koyipa, kuthetsa kung'ambika ndi kung'ambika kwa mpope wamadzi panthawi yogwira ntchito yopanda pake, kuchepetsa nthawi yopumira chifukwa cha zolakwika, komanso kukhala ndi mphamvu yopirira yolimba, yoyenera kupulumutsa mwadzidzidzi kwanthawi yayitali.