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