I-KTW (Ukuhlolwa Nokuhlolwa Kokugunyazwa Kwezingxenye Ezingezona Zensimbi Embonini Yamanzi Okuphuza YaseJalimane) imele umnyango ogunyaziwe woMnyango Wezempilo Wombuso WaseJalimane wokukhetha impahla yesistimu yamanzi okuphuza kanye nokuhlola impilo.Yilabhorethri ye-German DVGW.I-KTW iyigunya lokulawula eliyimpoqo elasungulwa ngo-2003.
Abahlinzeki kufanele bahambisane ne-DVGW (German Gas and Water Association) Regulation W 270 “Ukusatshalaliswa kwama-microorganisms ezintweni ezingezona ezensimbi”.Leli zinga livikela ngokuyinhloko amanzi okuphuza ekungcoleni kwezinto eziphilayo.I-W 270 futhi iyinkambiso yokuqaliswa kwezinhlinzeko zomthetho.Izinga lokuhlola le-KTW lithi EN681-1, kanti izinga lokuhlola i-W270 lithi W270.Zonke izinhlelo zamanzi okuphuza nezinto ezisizayo ezithunyelwa eYurophu kumele zinikezwe isitifiketi se-KTW.
Isikhathi sokuthumela: Sep-19-2022