i have some berita bola terkini issue about welding inspection , my query is can we apply vaccum box screening in butt weld joint for roof or bottom. ( for Misc tank)
b. All radial joints amongst sections from the drip rings, along with in between the drip ring plus the annular plate or base, shall be
Welds that fall short to fulfill the factors specified in paragraph over, shall be reworked before hydrostatic screening as follows :
Ø Vacuum box examined employing a examination force not less than three psi gauge or as specified on business specification.
apakah diukur dari puncak class ke atas sampai ke bagian paling bawah (dasar) dari initially class atau bagaimana…
paling lama 6 bln………kalo right here pak lukman sekarang dmn? oya…ya pak…salam ama org BBB, skrg poject dimana pak?sehabis ini saya masih sekitar merak……klo jd saya jd pegawai tetap aja…..cape get the facts pak muter2
Ø In case the resulting thickness is below least demanded According to hydrostatic take a look at style and design conditions, re-welding is necessary.
nanya dunk, boleh nggak klo pada place base tank kita nggak make annular plate, hanya menggunakan bottom sketch.
Mohon kiranya structure laporan inspeksi tersebut dapat dikirimkan juga ke email saya sebagai referensi Pak
Iya pak memang tidak saya bikin detil,..dan read more hanya mencakup pada waktu construction saja. Makasih atas sarannya.
Bubbles or foam produced by air sucked through the welded seam will indicate the existence of porosity from the seam.
Plumbness: Diukur dari paling atas click this link sampai bawah tidak boleh melebihi batas toleransi (one/two hundred) dari tinggi tanki dan untuk tiap shell toleransi plumbness tidak boleh melebihi flatness & waviness dalam STD ASTM A6.
Kabar baik selalu…thks banget atas infonya nih bro…oh iya tapi di apendix M…aku lupa tepat pasalnya M berapa…disana juga berita bola terkini dikatakan bahwa Anular digunakan pada tanki dengan diameter diatas thirty meter.
Ø fixing defective welds shall be accomplished by chipping or melting out the defects from one particular or each side of joint, as expected, and carry on with re-welding. All fixed recommended reading welds are matter to become re-tested as specified over.