Drawing Revision History Question... Signature on EO or ECO

J

JkelleyCDS

#1
All of my companies' internal documents contain the revision history in the form of a header. For some reason when an EO or ECO is issued, the drawing is released without a signature next to the new revision/ ECO. I have heard the argument, "Well look at the ECO, it's signed, reviewed, etc." For me, all documents should be signed and shown as reviewed including the ECO and drawing. Am I incorrect? My company is not ISO certified and our policies/procedures do not indicate any signatures, just review. See my example attached. Thanks!
 

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Jim Wynne

Staff member
Admin
#2
Re: Drawing Revision History Question...

All of my companies' internal documents contain the revision history in the form of a header. For some reason when an EO or ECO is issued, the drawing is released without a signature next to the new revision/ ECO. I have heard the argument, "Well look at the ECO, it's signed, reviewed, etc." For me, all documents should be signed and shown as reviewed including the ECO and drawing. Am I incorrect? My company is not ISO certified and our policies/procedures do not indicate any signatures, just review. See my example attached. Thanks!
There's not much point in having the fields for date and approver if they're not used. It makes it appear that required information is missing. I would say either populate those fields (with date and name or initials of the approver) or get rid of them. So long as the ECO number is there, you have what you need, unless you think it's helpful to identify the approver on the drawing.
 
T

Ted Schmitt

#3
Re: Drawing Revision History Question...

All of my companies' internal documents contain the revision history in the form of a header. For some reason when an EO or ECO is issued, the drawing is released without a signature next to the new revision/ ECO. I have heard the argument, "Well look at the ECO, it's signed, reviewed, etc." For me, all documents should be signed and shown as reviewed including the ECO and drawing. Am I incorrect? My company is not ISO certified and our policies/procedures do not indicate any signatures, just review. See my example attached. Thanks!
Just for us uninformed folks, what´s EO and ECO ? :confused:
 
J

JkelleyCDS

#4
Re: Drawing Revision History Question...

Just for us uninformed folks, what´s EO and ECO ? :confused:
Sorry for the ambiguity, but (EO) Engineering Order is the initial release document review and distribution where as (ECO) Engineering Change Order is a change (Revision) to the initial release. Hope that makes better sense.
 
T

Ted Schmitt

#5
Re: Drawing Revision History Question...

Sorry for the ambiguity, but (EO) Engineering Order is the initial release document review and distribution where as (ECO) Engineering Change Order is a change (Revision) to the initial release. Hope that makes better sense.
Yes, that does make my understanding easier...

Here (machine shop with about 130 employees), we sign them both... on the drawings we also include the reason of the revision (it´s usually a change of measurement or something simple to describe).
 

ScottK

Not out of the crisis
Staff member
Super Moderator
#6
Re: Drawing Revision History Question...

All of my companies' internal documents contain the revision history in the form of a header. For some reason when an EO or ECO is issued, the drawing is released without a signature next to the new revision/ ECO. I have heard the argument, "Well look at the ECO, it's signed, reviewed, etc." For me, all documents should be signed and shown as reviewed including the ECO and drawing. Am I incorrect? My company is not ISO certified and our policies/procedures do not indicate any signatures, just review. See my example attached. Thanks!
We don't sign drawings. Drawings are electronic.
Approval signatures are traceable to the ECO.

I would get rid of the approval on the drawing rev block.

BUT - have a system in place for documenting whether a paper copy of a drawing is controlled or uncontrolled.
 
J

JkelleyCDS

#7
Re: Drawing Revision History Question...

ScottK, you are always the man in my book since I joined Elsmar. Thanks for the help!
 
M

meversole

#9
Re: Drawing Revision History Question...

There's not much point in having the fields for date and approver if they're not used. It makes it appear that required information is missing. I would say either populate those fields (with date and name or initials of the approver) or get rid of them. So long as the ECO number is there, you have what you need, unless you think it's helpful to identify the approver on the drawing.
Hello-I'm a Cove newbie! I've been reading some posts about drawing revs and document control. I have a question about a statement made in this post ("so long as the ECO number is there..."). Is it a requirement or industry standard to list the ECO number on the drawing?

Thank you!
 

Jim Wynne

Staff member
Admin
#10
Re: Drawing Revision History Question...

Hello-I'm a Cove newbie! I've been reading some posts about drawing revs and document control. I have a question about a statement made in this post ("so long as the ECO number is there..."). Is it a requirement or industry standard to list the ECO number on the drawing?

Thank you!
Added in edit: Welcome to the Cove! :bigwave:
I don't know about requirements and industry standards, but I do know that it's common practice. There should be some way to get from the drawing to its release and change documentation. In some systems it might be as simple as looking in a file under the part number (thus obviating the need for an ECO identification on the drawing), but those are pretty rare, I think.
 
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