Dear All,
I have seen several installation Power Plant in Indonesia with Total Capacity of 100 MW, they make it 2 x 50 MW.
What is the reason of 2 x 50 MW installed, instead of 1 x 100 MW?
Thank you.
Dear All,
I am having confusion when my Senior Engineer in Company said that "Soil Investigation will impact Steel Structure for Boiler".
In my understanding, Steel Structure of Boiler will only be impacted by the load from the Boiler, wind, seismic, etc. And Soil Investigation will be used to...
Hi All,
In commissioning a Power Plant, if bypass capacity is 40% and we want to do 100% Load Rejection Test, is it recommended to go ahead with Load Rejection Test?
As if I am assuming, the excess load (60%) will go to safety valves? Is my understanding correct?
Kindly share your experience...
Dear All,
I would like to have suggestion to choose between Master in Mechatronics or Engineering Management based on your opinion.
I have a Mechanical Engineering background. I have been a Project Engineer around 3 years. Currently I am working in EPC Company with core business producing...
Dear All,
Based on API STD 650 Section 5.7.4.1, thermal stress relief only applies to flush-type cleanout fittings and flush-type shell connections which are attached to 25 mm thick shell, right? If the shell thickness is 24 mm, we do not need to do thermal stress relief to flush-type cleanout...
Dear All,
I have read in this forum that if We have a WPS with same P-NO. material but different Gr. No., We can use the same WPS for that different Gr. No. material when the different Gr. No. material does not have impact property requirements.
My question is how to know whether a material...
Dear All,
In API 650 Ed. 12th 2016, it states that The tank is self-anchored providing the following conditions are met:
(4) The required annulus plate thickness does not exceed the thickness of the bottom shell course.
Based on the above statement, if the tank is self-anchored, the thickness...
Dear All,
Can someone suggest me what to do with a broken PC Pile that has already been driven into 24 m depth?
The pile is broken at 2.5 m from the surface of soil. And we have to keep the elevation of the Pile at the surface of soil. What would be the best solution for the Pile?
If we...
Dear All,
I am studying the welding design of storage tank per API 650, the tank is 7-courses shell with thickness as below:
#1, 2, 3, 4, 5, 6, 7 shell course: 21, 18, 15, 13, 10, 8, 8 mm
In the drawing, it is shown that the horizontal joint is single beveled and for vertical joint is single...
Dear All,
As per F.4 API STD 650, DLR is defined as "the nominal weight of roof plate plus any structural members attached to the roof plate"
Does the structure below roof plate is considered as "any structural members attached to the roof plate"? E.g Roof Structure.
Or the statement only...
Dear All,
Just quick question, can we use stud bolt for shell/roof manhole instead of hex bolt as per Figure 5.7a and 5.16 API Std 650?
Thanks for the answer!!
Dear All,
Is there any section in API Std 650 that rule the minimum/maximum thickness of reinforcement plate for nozzles (shell/roof nozzles)?
Please help!
Thank you
Dear All,
As per API STD 650 section 7.3.7.5, in tank portion column, there are two tank portion for bottom course thickness less than 22 mm, can someone help me the difference between top course and below top course. How those portion have different maximum filling rate?
If we have tank with...
Dear All,
As per you guys notice, in API STD 650, Figure 5.8, for Regular-type flanged nozzle, there are three types of nozzle flange:
1. Single Flange
2. Double Flange
3. Special Flange
Can someone help me to understand the differences between those flange types? When to use Single Flange...
Hi all,
As per ASCE 7, Chapter 4, there are two definitions of live load, 1. Live Load 2. Roof Live Load.
Regarding to the definitions according to ASCE, can anyone tell me what is the difference between them? How we choose to apply them in calculation? Is there any specific factor needs to...
Dear All,
As per API 650 ed 12 2016, para 5.1.3.5 Lap-welded joints, as tack-welded, shall be lapped as follows: - Single-welded joints shall be lapped at least five times the nominal thickness of the thinner plate joined, or 25 mm (1 in.), whichever is smaller.
From the statement above, is it...
Dear All,
I would like to know, if there is any codes/standards that rule the minimum distance between center to center of pipe. Or how do we determine the center to center pipe spacing?
Is it right to space the pipes between flange to flange only?
Thanks for the help!
Dear All,
I need help in translating the sentence of API 650 para 5.1.5.9.e) Except as specified for open-top tanks in 5.9, for tanks with frangible joints per 5.10.2.6, for self-supporting roofs in 5.10.5, and 5.10.6, and for tanks with the flanged roof-to-shell detail described in Item f...
Dear All,
I have a problem in interpreting the result of SAP2000.
Let me begin my story, I am using SAP2000 to design dome roof structure for storage tank. The tank has 48.54 m diameter and 10.97 m height.
I am using shell > spherical dome for the roof model. The area section is thin shell 6...
Dear all,
Based on ANSI/ASME B73.1 Specification for Horizontal End Suction Centrifugal Pumps for Chemical Process, In Safety Guards part, it is stated that "All guards shall meet the performance criteria of ANSI B11.19".
My problem is, I couldn't find ANSI B11.19 standard or is there any...
