Kungani Udingida Amanzi Ezingcingo?

Izinhlelo zokugeleza ziyizicupho zamanzi. Ziyakhiwe lapho kunesidingo sokukhipha amanzi angaphezulu. Izimo zokudonsa amanzi zidalwe emgodini, lapho kusetshenzwa khona imigodi yamanzi. Lezi zimo zibandakanya ukudalwa kwemithwalo eyenziwe ngesihlabathi kanye negravel, phakathi kwepayipi yokugeleza. Ukuze kuqinisekiswe ukuthi isihlabathi esinamagatsha asetshenzisiwe asihlanganisiwe, sihlukaniswa yi-geotextile, engafuni, idlula amanzi futhi igcina izinhlayiya zenhlabathi nesihlabathi. I-pie yonke yamanzi okuhlukanisa nayo emhlabathini iphinde isetshenziswe nge-geotextiles.

Umbhobho we-drainage wenziwe nge-polyethylene. Usimende lwe-asbestos noma ukhonkolo lungasetshenziswa. It has a perforation lapho amanzi angene emhlabathini. Ukuvikela ngokumelene nesidingi segesi kuhlanganiswe ne-geotextile. Ukufaka emgodini kwenziwa ukuze kube khona umthambeka oya emgwaqeni. Njenge-spillway, echibini eliseduzane noma ekudleni kwamanzi kungasetshenziswa, lapho amanzi aphelelwa khona ngezikhathi ezithile. Njengoba uhlelo lokudonsa luhlobo lwemifanekiso, lamanzi angasetshenziselwa izidingo zobuchwepheshe.

Uma uvikela isisekelo sendlu ugaye umsele wamasentimitha angu-20 ngezansi kwesisekelo nge-slope yama-3-4 degrees. Isihlabathi simbozwe kuso ngezingqimba ze-5 cm. Ungabeka phansi phansi izindonga nge geotextile ngaphambi kokugcwalisa isanti. Omunye umdwebo we-geotextile ubeka lapho i-gravel enezinhlayiyana eziyizinhlayiyana ezingama-20-40 mm ihlanganiswe ngendwangu ka-5-10 cm. Khona-ke ipayipi ephikisiwe ihlanganiswe ngendaba ekhonjiwe. Nalapha, uthele imfucumfucu ngendwangu engama-30-40 cm. Ngaphezulu, i-rubble ihlanganiswe nalokho okwakusetshenziselwa ukugcwalisa isihlabathi phansi komsele bese uphululela ungqimba weshlabathi. Emva kwalokho, umsele ugcwele umhlabathi. Ngemva kwesikhashana uzohlala phansi futhi kufanele athulule.

Izinhlelo ezivuliwe zisetshenziselwa ukuguqula amanzi kusayithi. Kuyisimiso sezinhlanzi lapho amanzi ashiya khona emhlabathini. Kwezinye izimo, ngokulala okujulile kwamanzi angaphansi komhlaba, okwenza izingxenye ezingenhla zenhlabathi zingabi zizinzile, kusetshenziselwa amanzi amanzi, ukushaya amanzi ngamapompo.

Ezimweni eziyinkimbinkimbi, ukuklanywa kwesistimu yokucwiliswa kwemanzi kucabangela izimbangela zokukhukhula kwensimu kanye nezakhiwo ezakhiwe ngesisekelo sayo kumele ziqede izimbangela zezikhukhula. Lokhu kucabangela ukuma nobukhulu bendawo enemikhakha yokunyakaza kwamanzi angaphansi komhlaba. Umthamo wemithombo yamanzi kanye nezakhiwo zabo zokuhlunga kubalulekile. Imithombo kanye nabamukeli bamanzi angaphansi komhlaba kunqunywa. Ukuhlinzekwa kwenziwa ukuze kutholakale futhi kuncishiswe ngenxa yokuqaliswa kwezinyathelo zokuzivikela. Ukuhlukahluka kuqhathaniswa, futhi uhlelo lokudonsa lukhethiwe.