Fire pump cable installation

[MGest]

Hi everyone,

Would anyone have an idea on the best type of fire pump cable to install in NYC, taking ALL factors (price, difficulty of labor, etc..) into consideration. Specifically, when the specs don't require any particular method. I know regular THHN wire can be ran in RGS if it is encased in 2" concrete. There is also fir rated MI cable, but my understanding is that it is VERY difficult to pull, and I'd prefer not to use it. There is also cable manufactured by Draka, but I think it can only be used in horizontal runs? Bottom line, can someone help me figure out the best method to install fire pump feeders.

Thanks a lot

 

[gadfly56]

Hi everyone,

Would anyone have an idea on the best type of fire pump cable to install in NYC, taking ALL factors (price, difficulty of labor, etc..) into consideration. Specifically, when the specs don't require any particular method. I know regular THHN wire can be ran in RGS if it is encased in 2" concrete. There is also fir rated MI cable, but my understanding is that it is VERY difficult to pull, and I'd prefer not to use it. There is also cable manufactured by Draka, but I think it can only be used in horizontal runs? Bottom line, can someone help me figure out the best method to install fire pump feeders.

Thanks a lot

Any way you can punch out of the service entrance room, run on the outside of the building, and punch back into the fire pump room?

 

[Joe Villani]

Fire pump cable installation

I would look into the vitalink mc cable.

http://www.omnicable.com/spec-sheets/vitalink-mc-2-hour-fire-rated-power-cable.html

Joe Villani

 

[gadfly56]

I would look into the vitalink mc cable.

http://www.omnicable.com/spec-sheets/vitalink-mc-2-hour-fire-rated-power-cable.html

Joe Villani

That's a good option also.

 

[infinity]

IMO the best method is RMC installed in the deck with the concrete pour.

 

[tank728]

You could run a riser in a two hour rated shaft. Typically that would be behind a double double sheetrock wall or a core board wall. That's used for shafts and stairways a lot of times. MI cable is a quite labor intensive.

 

[augie47]

You could run a riser in a two hour rated shaft. Typically that would be behind a double double sheetrock wall or a core board wall. That's used for shafts and stairways a lot of times. MI cable is a quite labor intensive.

May fly in your area but won't here. 965.6 referencing 230.6(1)or(2) is all that will be accepted.

 

[MGest]

Any way you can punch out of the service entrance room, run on the outside of the building, and punch back into the fire pump room?

I'd have to check, but what would you use? RGS on the outside?

 

[MGest]

Thanks everyone. I heard of vitalink. how is it to pull?

 

[infinity]

Thanks everyone. I heard of vitalink. how is it to pull?

I'll let you know in a month. We're using it for the first time on my current project, we usually use RMC in a 2 hour enclosure or in concrete.

 

[gadfly56]

I'd have to check, but what would you use? RGS on the outside?

Yes, or treat it like any service entrance cable, since that's how 695 views it.

 

[Alwayslearningelec]

I'll let you know in a month. We're using it for the first time on my current project, we usually use RMC in a 2 hour enclosure or in concrete.

So how did you like the Vitalink?

 

[infinity]

So how did you like the Vitalink?

Having installed RMC, traditional MI cable and Vitalink for fire pumps there is no question that Vitalink is the easiest. Although it's stiff it's similar to installing large MC cable.

 

[Alwayslearningelec]

Having installed RMC, traditional MI cable and Vitalink for fire pumps there is no question that Vitalink is the easiest. Although it's stiff it's similar to installing large MC cable.

Thanks.

 

[MGest]

Thanks everyone for your input. We used Vitalink as well, and found it to be the best option.