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Re: Water pressure Downtown (again)?
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Spectra Energy. instilling confidence by the shovelful.

Posted on: 2013/7/27 0:44
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Re: Water pressure Downtown (again)?
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that f*cking Spectra project is going to be a real problem, huh? they can't even dig around without screwing up our water supply

Posted on: 2013/7/27 0:42
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Re: Water pressure Downtown (again)?
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Low water pressure and possible discolored water in Downtown Jersey City due to water main break

By Michaelangelo Conte
on July 26, 2013 at 6:12 PM

Residents in Downtown Jersey City may experience low water pressure and discolored water as a result of a water main break caused by a construction crew this afternoon, officials said.

A contractor working for Spectra Energy hit the 12-inch main at 4:15 p.m. at 17th and Coles streets, said Steve Goudsmith of United Water. United water workers shut down the main at 4:45 p.m. and the contractor is going to make repairs but it is not clear how long it will take, Goudsmith said.

"Customers may be experiencing lower water pressure and possible discolored water and while the water is safe to drink, resident may want to run the tap until the water is clear," Goudsmith said.

Unite Water is diverting water from other mains in order to bolster pressure in the affected area, Goudsmith said.

http://www.nj.com/hudson/index.ssf/20 ... n_break.html#incart_river

Posted on: 2013/7/26 23:48
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Re: Water pressure Downtown (again)?
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Posted on: 2013/7/26 21:05
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Re: Water pressure Downtown (again)?
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Thanks for calling. Did they give an estimate of how long the water pressure would be down?

Posted on: 2013/7/26 20:43
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Re: Water pressure Downtown (again)?
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Actually just answered my own question by calling United Water--yep, a contractor hit a water main on 17th street about 30 minutes ago. The (very nice) woman told me I didn't have to boil my water. But since no one told me about the last time I had to boil water, I'm going to keep an eye on it later.


Posted on: 2013/7/26 20:25
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Re: Water pressure Downtown (again)?
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Yup, 4th Brunswick. 3rd time in as many weeks.

Posted on: 2013/7/26 20:25
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Re: Water pressure Downtown (again)?
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My water pressure in DTJC just dropped like crazy. Anyone else? My poor toilet tank is really working hard to fill back up.

Posted on: 2013/7/26 20:16
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Re: Water pressure Downtown (again)?
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My guess would be the low pressure tripped a safety on the make-up water system causing the pumps to the cooling towers to shutdown.



Quote:

JadedJC wrote:
Quote:

Frank_M wrote:
Quote:

jcneighbor wrote:
I guess SteveW and I are both scratching our heads over what water pressure has to do with air conditioning.


Water is used as an energy transfer medium for most large-scale comfort cooling systems. Unlike commercial buildings, residential buildings almost never have their own chilled water systems that distribute cold water to AC units, but they can use water-source heat pumps.

Unlike the outdoor compressor, fan, and coil that?s associated with a traditional home AC or heat-pump system, a water-source heat pump system uses a circulating water loop that runs throughout the building. The indoor units have their own compressors and small, refrigerant-to-water heat exchangers that reject heat to the water loop during the cooling cycle, and extract it during the heating cycle. Ideally, this type of system also has a small cooling tower on the roof and a boiler somewhere to cool or heat the water in the loop as necessary.

However, the pressure in any type of closed-loop HVAC piping system shouldn?t be affected by domestic water pressure, so it still seems odd.


I'm not very familiar with HVAC systems, but the super did mention that the loss of water pressure knocked out the HVAC pumps that circulate water. Is it possible that the water loop isn't closed, but is hooked up to the water supply so that heated water gets swapped for cold?

Posted on: 2013/7/18 14:45
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Re: Water pressure Downtown (again)?
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Frank was exactly right about it being a closed-loop system. As far as I know it's the law that any hydronic system, whether it's a large-scale heating or cooling system or a residential heating boiler, has a backflow preventer. Without one, any pressure in the hydronic system would flow backward from the system into the domestic water supply when the street pressure dropped.

Posted on: 2013/7/18 14:40
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Re: Water pressure Downtown (again)?
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Quote:

JadedJC wrote:

I'm not very familiar with HVAC systems, but the super did mention that the loss of water pressure knocked out the HVAC pumps that circulate water. Is it possible that the water loop isn't closed, but is hooked up to the water supply so that heated water gets swapped for cold?


They could certainly run cool city water through the loop and then dump it to the sewer, but building/energy codes don't permit it on that scale. It's a terrible waste of potable water, and also quite expensive. Hmm, who knows.

Posted on: 2013/7/18 14:19
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Re: Water pressure Downtown (again)?
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Quote:

Frank_M wrote:
Quote:

jcneighbor wrote:
I guess SteveW and I are both scratching our heads over what water pressure has to do with air conditioning.


Water is used as an energy transfer medium for most large-scale comfort cooling systems. Unlike commercial buildings, residential buildings almost never have their own chilled water systems that distribute cold water to AC units, but they can use water-source heat pumps.

Unlike the outdoor compressor, fan, and coil that?s associated with a traditional home AC or heat-pump system, a water-source heat pump system uses a circulating water loop that runs throughout the building. The indoor units have their own compressors and small, refrigerant-to-water heat exchangers that reject heat to the water loop during the cooling cycle, and extract it during the heating cycle. Ideally, this type of system also has a small cooling tower on the roof and a boiler somewhere to cool or heat the water in the loop as necessary.

However, the pressure in any type of closed-loop HVAC piping system shouldn?t be affected by domestic water pressure, so it still seems odd.


I'm not very familiar with HVAC systems, but the super did mention that the loss of water pressure knocked out the HVAC pumps that circulate water. Is it possible that the water loop isn't closed, but is hooked up to the water supply so that heated water gets swapped for cold?

Posted on: 2013/7/18 13:50
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Re: Water pressure Downtown (again)?
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Quote:

La_Verdad wrote:
If you live in a highrise, you also had no air conditioning during the low pressure period. 98 degree days are not the time to be arbitrarily flushing the hydrants, United Water.


How is it "arbitrary" when it was follow-up work to the water main break? That's what I heard it was, at least.

Posted on: 2013/7/18 13:25
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Re: Water pressure Downtown (again)?
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Quote:

jcneighbor wrote:
I guess SteveW and I are both scratching our heads over what water pressure has to do with air conditioning.


Water is used as an energy transfer medium for most large-scale comfort cooling systems. Unlike commercial buildings, residential buildings almost never have their own chilled water systems that distribute cold water to AC units, but they can use water-source heat pumps.

Unlike the outdoor compressor, fan, and coil that?s associated with a traditional home AC or heat-pump system, a water-source heat pump system uses a circulating water loop that runs throughout the building. The indoor units have their own compressors and small, refrigerant-to-water heat exchangers that reject heat to the water loop during the cooling cycle, and extract it during the heating cycle. Ideally, this type of system also has a small cooling tower on the roof and a boiler somewhere to cool or heat the water in the loop as necessary.

However, the pressure in any type of closed-loop HVAC piping system shouldn?t be affected by domestic water pressure, so it still seems odd.

Posted on: 2013/7/18 13:23
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Re: Water pressure Downtown (again)?
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seems to be okay in south end of H.C. - maybe a little slow.

Posted on: 2013/7/18 13:02
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Re: Water pressure Downtown (again)?
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I'm at 10th and Erie. At exactly 8am this morning I was running the water in my kitchen sink. It suddenly slowed to a trickle then it stopped completely. Looks like united water is messing around with things again.

Posted on: 2013/7/18 12:17
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Re: Water pressure Downtown (again)?
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Water pressure low again this morning at 5th n Brunswick, this is really annoying

Posted on: 2013/7/18 12:09
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Re: Water pressure Downtown (again)?
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I guess SteveW and I are both scratching our heads over what water pressure has to do with air conditioning.

And high rises generally have water pressure booster pumps if they're more than 60 feet tall. The street water pressure downtown is about 40 psi so street pressure can only go about 80 feet up (1/2 pound per vertical foot of rise is the rough calculation)

Posted on: 2013/7/18 11:22
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Re: Water pressure Downtown (again)?
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Quote:

SteveWilson29 wrote:
Quote:

La_Verdad wrote:
If you live in a highrise, you also had no air conditioning during the low pressure period. 98 degree days are not the time to be arbitrarily flushing the hydrants, United Water.


What ancient highrises have water powered AC units? I think that *might* have been a separate issue.


I and friends living in high rises with HVAC systems all got emails from our respective building managements telling us that the loss of water pressure was affecting air conditioning. Thankfully, this didn't last long and my AC kicked back on with the return of water pressure.

Posted on: 2013/7/18 3:50
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Re: Water pressure Downtown (again)?
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Quote:

La_Verdad wrote:
If you live in a highrise, you also had no air conditioning during the low pressure period. 98 degree days are not the time to be arbitrarily flushing the hydrants, United Water.


What ancient highrises have water powered AC units? I think that *might* have been a separate issue.

Posted on: 2013/7/18 3:30
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Re: Water pressure Downtown (again)?
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If you live in a highrise, you also had no air conditioning during the low pressure period. 98 degree days are not the time to be arbitrarily flushing the hydrants, United Water.

Posted on: 2013/7/18 2:35
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Re: Water pressure Downtown (again)?
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What the hell would they do if there was a fire? Wait for these morons to contact their crews to stop flushing the hydrants?

Posted on: 2013/7/18 0:52
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Re: Water pressure Downtown (again)?
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The April announcement, now 3 months old, hardly matters. Did the Mayor's office or any customer know that this was going to happen late this afternoon when it would impact tens of thousands of DownTown residents? Not that I know of, but boy I'd sure like to hear from someone in the Mayor's office.

Really, this was the time of day to do it? United Water website is USELESS about advisories of any nature. OK, so the pipes are old and I understand it all, but really, it's 2013 and you can't tell your customers about service disruptions by any means whatsoever?

Gurgling toilet on 3rd floor...

Posted on: 2013/7/18 0:26
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Re: Water pressure Downtown (again)?
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Reports of low water pressure in Downtown Jersey City

By Yarleen Hernandez/The Jersey Journal
on July 17, 2013 at 7:30 PM, updated July 17, 2013 at 7:31 PM

Water pressure is low in Downtown Jersey City due to flushing of the water pipes by United Water, said Steve Goudsmith, a spokesman for United Water.

Water pressure should be fully restored in the next hours or so, according to Goudsmith.

The water flushing is s result of the water main break that took place on Sunday at Coles St. A boil water advisory was lifted yesterday afternoon for the area.

http://www.nj.com/hudson/index.ssf/20 ... ost_331.html#incart_river

Posted on: 2013/7/17 23:39
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Re: Water pressure Downtown (again)?
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JimA wrote: Quote:
Here at Second & Brunswick United Water has opened the 2 Fire Hydrants. Don't know why.



(This was in the JJ in April and again a few weeks ago. Hopefully this is your problem.)

**

UNITED WATER TO IMPROVE WATER QUALITY THROUGH ANNUAL FLUSHING PROGRAM
________________________________________
Jersey City, NJ, Apr 16, 2013, 2pm

United Water will begin to flush hydrants throughout Jersey City beginning approximately April 15. The flushing program is expected to last through August.

Flushing removes harmless minerals that collect in the water mains. The project is part of the company?s routine maintenance program to assure high water quality. Flushing hydrants helps to maintain the integrity of the distribution system by keeping the water lines clean. It is also necessary for fire protection because flushing ensures that the hydrants are working properly.

During the flushing process, customers may experience low water pressure or discolored water. While the water is safe to drink, customers may prefer to wait until it runs clear before drinking or washing clothes or dishes.

Customers with questions can call United Water?s customer service telephone number at 800-575-4433. Customers interested in learning more about the company can visit the website at www.unitedwater.com.

Posted on: 2013/7/17 23:07
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Re: Water pressure Downtown (again)?
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5th & Jersey, noticed the same thing...

Posted on: 2013/7/17 22:58
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Re: Water pressure Downtown (again)?
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low pressure couple blocks west of VVP. WTF United Water?!

Posted on: 2013/7/17 22:54
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Re: Water pressure Downtown (again)?
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Quote:

jcneighbor wrote:
Nothing at all on United Water's website. Grrr...


Noticed the same thing. Currently on hold with them to a "high call volume." Will update if I hear from them. My expectations of that are about as high as the water pressure right now.

Posted on: 2013/7/17 22:53
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Re: Water pressure Downtown (again)?
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low pressure by hamilton park.

Posted on: 2013/7/17 22:53
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Re: Water pressure Downtown (again)?
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Here at Second & Brunswick United Water has opened the 2 Fire Hydrants. Don't know why.

Posted on: 2013/7/17 22:48
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