Shared raceway

[teton1]

I have a customer that has 4 meters on the building feeding 4 separate sub panels. after leaving the subs all of the conductors go to the same gutter and then travel through a single raceway only separated under the building 50 feet away, where they all are spliced to romex in yet another box. At this point they go to their perspective separate apartments. The original contractor is no longer available and I need to separate all of this correct?

 

[GoldDigger]

I have a customer that has 4 meters on the building feeding 4 separate sub panels. after leaving the subs all of the conductors go to the same gutter and then travel through a single raceway only separated under the building 50 feet away, where they all are spliced to romex in yet another box. At this point they go to their perspective separate apartments. The original contractor is no longer available and I need to separate all of this correct?

They are no longer service conductors beyond the first set of panels, so there is no prohibition against putting them in one raceway which passes under one apartment to get to another.
Or are they extended using SE or USE? That would be a problem all by itself unless they are under enough concrete to be considered outside the building.

 

[infinity]

Sounds like 4 feeders in a single raceway would have a big derating issue.

 

[George Stolz]

I think we need a better description.

 

[hurk27]

From what I get from the OP is he has 4 meter mains with 4 sets of feeders feeding 4 no-main sub panels from which branch circuits running into a gutter then a single conduit that hits a JB where they split up into NM running to each apartment?

From the post I see derating issues of the BC's and or maybe the feeders if they are also in a single raceway, if the feeders are SE instead of SER it would also be a problem, as well if the meters doesn't have a main then the BC panels should, but then you get into the issue of how long the SEC's are running into the building before hitting the service disconnect.

A problem I found around here was they would install one fused disconnect ahead of a meter bank then run conductors to each no-main panel in the apartment thinking that it was allowed but the OCPD ahead of the meter will not be sized for the conductors to each subpanel.

Another problem that jumps out at me is access to each apartments OCPD's by the occupants of each apartment tenant, if these sub-panels are located in one location as they sound like they are they must be accessible to the tenants or you have to have on-site personnel to allow the tenant to reset their OCPD's.

But without photo's or more info there could be more issues involved?

 

[texie]

I have a customer that has 4 meters on the building feeding 4 separate sub panels. after leaving the subs all of the conductors go to the same gutter and then travel through a single raceway only separated under the building 50 feet away, where they all are spliced to romex in yet another box. At this point they go to their perspective separate apartments. The original contractor is no longer available and I need to separate all of this correct?

You are not clear if these are service conductors or feeders, but either way, many POCOs have a prohibition against separately meter conductors in the same raceway. In any event, IMO, it is a bad practice.