We have an API 650 tank of 8m diameter and 9m heigh which is equipped with internal pipe running on the bottom of the tank with holes and flowing air as means for mixing the fluid in the tank.
well it's actually a means to prevent excessive sedimentation on the bottom o f the tank since the...
I was wondering why in API 650 paragraph 5.8.4 and 5.8.5 do not mention the requirement of telltale hole for the roof opening repad, either manhole or nozzle. In the Shell opening section (para. 5.7.1 to 5.7.6) it is clearly mentioned for this requirement.
However in paragraph F.7.3 (point 3.)...
