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Jim Lamb  
#1 Posted : 06 September 2019 10:10:25(UTC)
Rank: New forum user
Jim Lamb

We are transporting vessel which is resting on three supports. Our engineers to access underneath the vessel to secure an insert to a flange. Does anyone know of minimum space requirements for such a task?

Bigmac1  
#2 Posted : 06 September 2019 11:24:46(UTC)
Rank: Super forum user
Bigmac1

I think you need a better explanation and some clarification as to what you are actually asking.

stevedm  
#3 Posted : 10 September 2019 06:56:32(UTC)
Rank: Super forum user
stevedm

I have some documents that I created for maint team a few years ago on ergo but headline is below..if I find more I will post it..

To provide adequate clearance for maintainers and to provide sufficient space to accommodate tools, test equipment, procedures, and other job aids during an in-place repair, a nominal 914 mm maintenance clearance should be provided around all major system components and piping of 610 mm diameter and larger.

stevedm  
#4 Posted : 10 September 2019 07:35:27(UTC)
Rank: Super forum user
stevedm

found some other references...more for when designing machinery...but might help

Horizontal reach - Max 27.9cm 

Horizontal reach - Large product assembly - 55.9 cm

Vertical reach - High Freq - 158cm

Vertical Reach low force tasks - 188cm

Jim Lamb  
#5 Posted : 10 September 2019 08:36:20(UTC)
Rank: New forum user
Jim Lamb

Originally Posted by: Bigmac1 Go to Quoted Post

I think you need a better explanation and some clarification as to what you are actually asking.


Thanks for getting back to me.

Basically, our engineers need to work underneath a supported vessel in order to bolt on a section to a flange. My question is, how much space as a minimum (if there is such a standard) must they have?

stevedm  
#6 Posted : 10 September 2019 11:24:28(UTC)
Rank: Super forum user
stevedm

I would go with the 940mm of clearance....which should give them eniugh roo to stay with maximum reach and effort etc...I think there is an Oil and gas guidance note somewhere I will see if I can look it out for reference...what I am listing here is from various engineering ergonomic studies and part of ergo training for engineers...

Jim Lamb  
#7 Posted : 13 September 2019 09:59:54(UTC)
Rank: New forum user
Jim Lamb

Thanks very much for your help :)

Originally Posted by: stevedm Go to Quoted Post

I would go with the 940mm of clearance....which should give them eniugh roo to stay with maximum reach and effort etc...I think there is an Oil and gas guidance note somewhere I will see if I can look it out for reference...what I am listing here is from various engineering ergonomic studies and part of ergo training for engineers...



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