API 650 Addendum 4
API 650 Addendum 4
(OP)
I have 2 questions regarding this Addendum.
1) What is its exact date if issue ?
2) What are its implications if compared with previous API650 tanks ?
Thanks,
Theo van Adrichem
1) What is its exact date if issue ?
2) What are its implications if compared with previous API650 tanks ?
Thanks,
Theo van Adrichem





RE: API 650 Addendum 4
Implications- Wind design is changed, allows thinner shells but requires anchorage in more cases; seismic is all changed up, and requires seismic design in wider areas; some new material such as vacuum design added.