Recent content by kalamani

Hi every one Recently we inspected a internal floating roof tank and found that at 6 Feet from Bottom of the shell height all around the circumference a band of 36 inch width on shell was found pitted and corroded, Upon sand blasting several holes were found in this locations. This tank was...

Thanks JStephen and Yosamitysamm.......for your valuable inputs. This tank atmospheric ,cone roof and bottom cone type supported by skirt and internal supporting structure. The incident happened during the hudrotest. As a preventive measure two stiffner rings welded on skirt externaly...

Hi WE found while hydrotest of two cone bottom tanks deformation of the skirt holding the cone bottom. The code API620 which is applicable to these tanks doesnt spell out clearly the acceptance limit of the skirt out of roundness. API650 states the limits of the "out of roundness". Comment...

Thank you UTDudue.......Your reply clarifies my doubt

yA..Iam attaching the drawing in PDF.. Throat Joint detial on top right hnad side. I hope this will suffice your need and understandinghttp://files.engineering.com/getfile.aspx?folder=0e70d768-1bb5-4bc1-98f4-ac3ad9b515df&file=manway.pdf

Ok I appreciate your comments. I am still looking for the answer to my question as what will be the NDT for the Long seam welding of 30"/24" manway and which section if API 650 deals with this Thanks in advance for the reply.

Many way only.....sorry if I was not clear. I am not concerned with flush type cleanout as the section 5.7.8.11 is specificaly deals with flush type clean out

Dear all Please clarify the NDT requirement of the longitudinal seam with Double groove in Manway neck not flush type ( 24" ,30") as per API650. I Understand that the manway nozzle necks plate thickness are selected only from table 5.3 & 5.4 and no joint efficiency plays the role as simmilar...

Hello Everyone We are constructing 2 nos of atmospheric cone bottom liquid sulphur storrage tanks. The manway Nozzles (Not flush type) 24"/30" are fabricated using plates rolled and welded with doubleV longitudianl welds. API 650 is not mention about the NDT requiremnts of this manway...