I see the term " Lethal Service " as a category in ASME section VIII for vessel design/ Fab. anyone know where I can find a definition as related to section VIII , also would " Anhydrous Ammonia" be considered lethal, I realize its dangerous but does VIII consider it" Lethal Service" thanks
looking for some direction ,I looked through ASME VIII which refers to ASME V for ultrasonic examination techniques for inspection of Viii vessels ,I keep hearing that Section VIII requires Phased array inspection methods I cant find any reference to this in Section V. Most of our clients...
can anyone point me to a guide for this standard. I hold ASNT certs have a client that needs some inspection done and the manufacturer has referenced iso 9712 the equipment was fabricated in Europe
this should be pretty basis but its been a while i wanted to check how do I account for the moment of inertia of a beam that has a slot in the center .
we have a existing warehouse slab d=8" 4000 f'c , someone decided to put #4's @ 10" c-c on top of slab no bottom steel ( ?) , we ran some numbers and came up with bottom surface concrete tension @ 110 psi looking for allowable concrete tension I seem to remember 75 psi , looking for...
my experience with UT examination of structural welds is with AWS D1.1 , I have a client who I have worked for in the past that has a issue that came up on a site , the third party UT examiner rejected a number of full penetration welds based on AWS d1.8 however the project only required the...
We provide NDE services to several clients, we have one that quoting a new boiler install , the owner provided a list of welds to be x-rayed which includes 815 socket welds sizes 1/2-1.5" , I have done this is the past to check for pull-back , socket welds are fillet welds ,we usually dye pen...
help to settle dispute: we have a upcoming project , welding alloy 20 P-45 to carbon steel P1 nozzle , contractor has a WPS for p45 to p45 ,I interpret ASME IX 2015 para 432.1 as the following: if he has welder qualified to his P45 WPS they can perform the above P45-P1 weld by following all...
during floor repairs a section of 1st ring shell is to be cut out to permit access for plate installation ,typically called a doorsheet , contractor wants to cut the shell plate 3" above the shell to bottom weld and re install this plate after floor is finished. looking @ API 653 under...
a little off topic , OSHA 1910.27 seems to require a cage on any fixed ladder over 20' in height , ANSI 14.2 set the height requirement to 24' anyone help clear this up I cant see how ANSI could be different form OSHA
we have a number of tanks at out facility,these were installed some time ago , we want to make sure we're ok with OSHA I see rules for fixed ladder in 1910.27 which seems to address platforms do these same rules apply to tank tops
we have a tank under re-construction , 18" of the bottom shell was replaced , a 4" nozzle was replaced 18" up from bottom , a small bugle has appeared in tank shell , which section of API 653 should be used to evaluate the bulge " peaking" or banding tolerance in section 10.0
we have two nozzle penetrations 2" & 4" which are to be removed , 1/4" shell wall , table 9.1 in API 653 dimension "R" requires 6" radius for a shell insert patch ,in another para 9.3.1.7 list the minimum shell plate dimension as 4" , do we need to use a 12" round flush insert plate.
API 653 fig 9.6 note 3 , limits lap floor patch plates to a maximum of 24" in length measured along the shell in the critical zone, we have a small 26 dia. * 24 ft high AST with shell corrosion at the shell to floor joint along the entire perimeter , if the interior of the floor is ok can we...
when UG 45 checks nozzle neck T , one of the factors used is a comparison to a chart which list nominal pipe OD and thickness
this was put in 20010 ed. we ran into this on a project , using tube instead of pipe for a small 5/8" drain tube on a small vessel. everything else passed i.e. pressure...
I NEED TO RECERTIFY MY API 510 , I'M U FOR 6 YEAR SO i HAVE TO TAKE A QUIZ BASED ON STANDARD i CAN'T FIND ANY INFO ABOUT QUIZ DOES ANYONE NOW OF STUDY GUIDE FOR THIS OR NUMBER OF QUESTIONS ETC.
we have a GTAW/SMAW WPS qualified with PWHT , we want to eliminate the PWHT in the WPS , looking @ ASME IX PWHT is listed as a essential variable for both processes. , if I understand QW- 407.1 correctly, to eliminate the PWHT will require the WPS to be re-qualified versus a revised...
