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I am looking for information related to design and new built or repaired API 650 tanks floating roof annular space tolerance criteria. The point is : - We have a new built deformed tank shell with identified out-of-roundness local areas, - We have to design and built a new floating roof with an...

I am looking for API Std or RP requirements regarding tank bottom / foundation interface water ingress protection in order to specify criteria for a durable protection. Could somebody help me ?

This is a 83 m diam x 20 m ht API 650 tank the external floating roof is to be dismantled and rebuilt with taking care about the bottom plate and no works within the critical zone; the rest of the tank is recent and was started up in May 2008 ; additionnaly a 2nd intermediate shell girder will...

We have to dismantle a sunken EFR of a 83 m diam tank recently built ; we want to avoid to damage the bottom plate and the backfill underneath (all is new) ; the jet cutting, too much touchy in the context is not considered ; what other possibility do we have ?

This is about the recently sunken EFR of a 83 m diam tank, double deck double slope one, PDM type ; we are looking for detailed specification to rebuilt it to API 650 ; could somebody help me ?

Could somebody tell me where this last API 653 issu can be ordered quickly ?

Lets consider an API650 tank 83 m diam x 20 m ht New API 6550 11th § 7.3.6.6 provides with allowable settlement criteria at hydrotest for new tanks : - Differential settlement <= 13 mm per 10 m of circumference, - Uniform settlement <= 50 mm These criteria seem to be very stringent compared...

This is a new API650 tank 83 m diam x 19 m high for crude oil storage which double deck EFR is sunken. We are looking for an experienced and API 650/653 certified Inspector or Expert from an Inspection or an Engineering Company specialized in API 650 tanks Could some body give us the name of...

This is an existing API 650 tank which floating roof is to be replaced ; current API 653(3rdEd_Dec2001_Add3_Feb2008_Err_Apr2008) will govern the repair design and works ; when the API 653 addresses the API 650, what is the API 650 version to be considered ? Is it the one which governed the tank...

API 650 does not provide any guideline regarding hydrotest minimum duration when for example hydrotest duration should depend on soil conditions and predictible settlement ; of course, I am not saying that hydrotest shall be used as a preloading mean but I observe that operation constraints lead...