Dear All,
I have a project to replace my old fender system. For scheduling and cost estimatation, I need some information regarding concrete drill equipment to perform anchor bolts holes drilling on the existing dolphin concrete structure.
I have 40 holes to be drilled on each breasting dolphin...
Dear All,
I am not a structural engineer and like to ask help from you guys..
I have some pipe supports attached on LNG tank wall. They supports LNG pipes which are verticaly routed from LNG transfer Pump at the top of tank to the bottom of tank.
Now we have a problem of tank wall cracks which...
Dear All,
I am not a structural engineer and like to ask help from you guys..
I have some pipe supports attached on LNG tank wall. They supports LNG pipes which are verticaly routed from LNG transfer Pump at the top of tank to the bottom of tank.
Now we have a problem of tank wall cracks which...
Dear all,
My vertical vessel has vertical deviation of 119mm measured from skirt-vessel joint to top head of vessel. I have no verticality data during construction for this vessel as my references, and cannot find any information in ASME code regarding the allowable verticality value for such...
Dear All,
I have a corroded skirt problem at my vertical vessel.It looks like window patching is not applicable since the corroded parts are almost along the weld joint between skirt and vessel. So, I try to install overlay patch with 60cm of wide at along circumferencial of the vessel. The...
Dear All,
Do you guys have any idea what is exactly the definition of ballast system. How many types of ballast system available on ship/barge design..?
Is there any term and definition of automatic, semi-automatic and manual ballast system. If so, is there any barge/pontoon equipped with...
Dear All,
I have a bidder's document to be reviewed regarding the subject. They offer a barged mounted crane with the following specification :
Barge Dimension = 150' x 50' x 10', draft=4.5' completed with ballast system
Crane = Crawler Manitowoc 4100 (Serial 41383) with LaticeBoom 200T capacity...
Dear All,
I have a bidder's document to be reviewed regarding the subject. They offer a barged mounted crane with the following specification :
Barge Dimension = 150' x 50' x 10', draft=4.5' completed with ballast system
Crane = Crawler Manitowoc 4100 (Serial 41383) with LaticeBoom 200T capacity...
Dear All,
I have a bidder's document to be reviewed regarding the subject. They offer a barged mounted crane with the following specification :
Barge Dimension = 150' x 50' x 10', draft=4.5' completed with ballast system
Crane = Crawler Manitowoc 4100 (Serial 41383) with LaticeBoom 200T capacity...
Dear All,
I have a bidder's document to be reviewed regarding the subject. They offer a barged mounted crane with the following specification :
Barge Dimension = 150' x 50' x 10', draft=4.5' completed with ballast system
Crane = Crawler Manitowoc 4100 (Serial 41383) with LaticeBoom 200T capacity...
Dear All,
I've just experienced LNG line leakage. This leakage occured at wafer valve gasket of Boil off gas (BOG) drain line. I believe the leakage caused by frequently Emergency shutdown system (ESD) of Loading arm activation during LNG Loading to the ship. Once the ESD is activated, the BOG...
Dear All,
Thanks for all response to my previous thread although I feel sad about the funny thread. I believe you all have missunderstood for what I asked for.
I have another problem to be discussed. I have my steam line which has been experienced corroded problem frequently. If I partially...
Dear All,
Our instrument engineer is planning to install a new mooring line monitoring (MLM) system for our existing quick release hook. As a mechanical engineer I just wonder whether the MLM will result the accurate measurement or not due to the condition of the existing hook. This hook has...
Dear All,
Our instrument engineer is planning to install a new mooring line monitoring (MLM) system for our existing quick release hook. As a mechanical engineer I just wonder whether the MLM will result the accurate measurement or not due to the condition of the existing hook. This hook has...
Dear All,
Our instrument engineer is planning to install a new mooring line monitoring (MLM) system for our existing quick release hook. As a mechanical engineer I just wonder whether the MLM will result the accurate measurement or not due to the condition of the existing hook. This hook has...
Dear All,
Are there any references available in the net such as tables, rules of thumb, etc in order to understand ANSI B3.1.3 easily..?
Sometime I feel more comfort to read tables/rules of thumb instead of browsing the thick book with its tiny character.
Regards.
Dear All,
What is exactly mean by word "window patching" for pressure vessel. Are there any calculation/references to perform this window patching for both of vertical and horizontal cylindrical pressure vessel..?
regards,
Nasrul
Dear All,
Could anybody give information/literature link regarding the Martensite transformation in Austenitic SS (grade 304)due to cryogenic services..?
As we know this martensite content can reduce the toughness strength of parent material and become more brittle that can be easily to crack...
Dear All,
Is there anybody here have experience to carry out valve installation on the online pipe (in service pipe) especially for instrument air pipeline...?
regards,
Nasrul
I am a junior mechanical Engineer. I have been assigned as witness for PWHT application of our new Tube and sheel heat exchanger.
This is my first experience to be a witness of PWHT application and I have been prepared and collect any references.
Are there anyone can help me to share their...
