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ACA Hurricanes at the Kewaunee Plant

Fri May 11, 2018 11:44 am

I just found out today, through the Nuclear Regulatory Commission’s file archives, that the Kewaunee Nuclear Plant used to have two ACA Hurricane sirens installed back in the 1980s, as well as two ACA Allertors.

https://www.nrc.gov/docs/ML1116/ML111670997.pdf
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Re: ACA Hurricanes at the Kewaunee Plant

Fri May 11, 2018 2:33 pm

That makes at least two nuclear plants that are known to have had ACA products, with the other being Cook Nuclear in Michigan. If there are others, I haven't heard of them yet.
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Re: ACA Hurricanes at the Kewaunee Plant

Fri May 11, 2018 3:17 pm

I'm guessing the old sirens are gone?

I couldn't find anything within Kewaunee itself (and an internet search didn't turn up anything) but I did find a T-128 at the Kewaunee Power Plant.

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Re: ACA Hurricanes at the Kewaunee Plant

Fri May 11, 2018 4:27 pm

Phone Goat wrote:
Fri May 11, 2018 2:33 pm
That makes at least two nuclear plants that are known to have had ACA products, with the other being Cook Nuclear in Michigan. If there are others, I haven't heard of them yet.
The Crystal River Nuclear Plant in Florida had various ACA sirens, including a few Hurricanes.
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Re: ACA Hurricanes at the Kewaunee Plant

Fri May 11, 2018 4:56 pm

All of the older sirens are long gone. A newer system of ASC Tempest sirens have been in place for several years now.
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TBoyer1999
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Re: ACA Hurricanes at the Kewaunee Plant

Fri May 11, 2018 5:08 pm

Phone Goat wrote:
Fri May 11, 2018 2:33 pm
That makes at least two nuclear plants that are known to have had ACA products, with the other being Cook Nuclear in Michigan. If there are others, I haven't heard of them yet.
Actually, there are quite a few plants that had/have ACA products. Based on researching older posts on this site:

Various Illinois Exelon plants had P-15s and P-50s, but they now have T-128s and T-135 AC/DCs.
R.E. Ginna currently has Banshees and P-10s. I have seen several of these on the latest Google Street View images.
Three Mile Island had Cyclones and Penetrators, but these have since been replaced with T-128s.
Beaver Valley had Allertors and Banshees, but these have since been replaced with 2001-130s and Equinoxes.
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Re: ACA Hurricanes at the Kewaunee Plant

Fri May 11, 2018 9:19 pm

I set StreetView back to 11/07 where I could. Looks like the T-128 at the plant replaced a PN-20. I still can't seem to find anything else within Kewaunee itself. When did the Tempests go in? The one at the plant had the ACA style ASC logo so I was trying to figure out if they were new enough if I could use StreetView archives to find Kewaunee's older sirens.

For what its worth on the archived imagery I couldn't find the 'Bolt that was supposedly 1 block west of the Courthouse. That map at the end is also fairly useless unfortunately.

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Re: ACA Hurricanes at the Kewaunee Plant

Fri May 11, 2018 9:25 pm

The current system they have went in in 2011 the system was updated in the mid 90's and had replacements put in in the late 90's in the mid 90's upgrade the then put the P-50's in and moved some sirens around like the Allertor that was by the substation on county road V in the late 90's they got a few RM-127's to replace some of the older aging units or to fill coverage gaps. I do know the one Hurricane in two creeks was replaced by a Cyclone I do not know if it was removed and scrapped or moved to a different location there ended up being 4 Hurricanes installed in the 1981 system. All were removed by 2007 with nothing left my guess is they were replaced in the late 90's system update.
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Re: ACA Hurricanes at the Kewaunee Plant

Fri May 11, 2018 10:22 pm

Interesting how it lists the Allertors as 127DB. I wonder if they were single tone Allertors because of the DB rating.
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Re: ACA Hurricanes at the Kewaunee Plant

Sat May 12, 2018 1:38 am

Pretty interesting info, thanks for sharing!

For the “114dBC” sirens, I am wondering if these are Banshees or something else.
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