The Occupational Safety and Health Act ya 1970 inali
idakhazikitsidwa kuti iwonetsetse kuti ogwira ntchito apatsidwa "chitetezo
ndi mikhalidwe yabwino yogwirira ntchito.”Pansi pa lamuloli, a
Occupational Safety and Heath Administration (OSHA)
idapangidwa ndikuloledwa kutsatira miyezo yachitetezo ndi
malamulo kuti akwaniritse udindo wowongolera ogwira ntchito
chitetezo.
OSHA yatengera malamulo angapo omwe amatchula za
kugwiritsa ntchito makina ochapira m'maso ndi shawa mwadzidzidzi.The
lamulo loyamba lili mu 29 CFR 1910.151, yomwe
zimafuna kuti…
“…pamene maso kapena thupi la munthu aliyense likhoza kuwululidwa
kuwononga zida zowononga, malo oyenera
kunyowetsa msanga kapena kutuluka m'maso ndi thupi
zoperekedwa mkati mwa malo ogwira ntchito mwadzidzidzi
ntchito.
Lamulo la OSHA lokhudza zida zadzidzidzi ndi
zosamveka bwino, chifukwa sizimalongosola chimene chimatanthauza
"zoyenera" zonyowetsa maso kapena thupi.Mu
kuti apereke malangizo owonjezera kwa olemba ntchito,
American National Standards Institute (ANSI) idatero
anakhazikitsa muyezo wophimba maso wadzidzidzi
ndi zida zosambira.Muyezo uwu—ANSI Z358.1—
idapangidwa kuti ikhale chitsogozo choyenera
kapangidwe, certification, magwiridwe antchito, kukhazikitsa, kugwiritsa ntchito
ndi kukonza zida zadzidzidzi.Monga
kalozera wokwanira kwambiri wamavumbi azadzidzidzi ndi
zotsuka m'maso, zavomerezedwa ndi maboma ambiri
mabungwe azaumoyo ndi chitetezo mkati ndi kunja kwa
US, komanso International Plumbing Code.The
muyezo ndi gawo la malamulo omanga m'malo omwe
atengera International Plumbing Code.
(IPC-Sec. 411)
ANSI Z358.1 idalandiridwa koyamba mu 1981. Zinali
inasinthidwanso mu 1990, 1998, 2004, 2009, komanso mu 2014.
Nthawi yotumiza: May-03-2019
