New Owner Build-Live Music Capital of the World (Austin)

You can always put an automated valve on the air line if you don't want the aeration
Unfortunately the air intake is on top of the spa (two 1.5" pipes feeding the venturi/jet fittings) encased in gunite, so there is no place to put a valve. No air blower on my spa.

Mark: On the velocity...I should be under 12 FPS @ 110 GPM, so I think the velocity should be fine.
 
Looking at what fitting to use on the spa return and thinking I should have plumbed a floor return to get the full 2" flow into the spa. I see a fitting that slides inside the 2" pipe and has a threaded/FPT 1.5" output, so the last couple inches of the line will neck down to 1.5". I think these are designed to have eyeballs screwed in, but I can leave the eyeball out. Any idea what a 2" insider fitting to 1.5" FPT threaded will do to the flow?
 
Patio has finally started! I've been waiting almost a month to get the concrete guys to show up. Lot's of road base being put down (6+ truck loads). One hour in and they broke the spa jet pipe. They were trenching (digging turn downs) and trying to dig under the pipe. Hopefully my plumber can make it out today. Forecast is: rain for 6 of the next 8 days...argh. Well at least the road base will get watered in nicely before the concrete gets poured.

Photo Mar 03, 10 31 52 AM.jpg
 
Pipe repaired and majority of roadbase in just in time for 2 days of rain.
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I inspected the pipe repair yesterday and the repair looked questionable. So, I've been keeping a close eye on this. The pipes were not left under pressure. Trip to home depot last night for female-to-female coupler, so I could connect a hose to pressurize the pipes. Low and behold this morning I am down 5psi. I had thought a leak would show up almost immediately under pressure, but this one is slow. Turns out the repaired area is leaking...slow drip. I was here when the pipe was damaged and immediately intervened. The plumber couldn't immediately come out, so they just continued to frame. Now the area is hard to access. I can kinda understand this as they had a convoy of trucks coming and rain was in the forecast for the next day. When I sent the plumber a message about the leak today, he blamed the framing/sand bags being in the way. Okay people, here is the new plan: do this right! Patio guy is coming back to open up the forms and remove sand bags. Then the plumber coming back to fix it properly. This way every time I turn on my spa jets I don't lose an inch of water.

The patio/concrete pour has been the worst part of this build so far. They were supposed to bring in screened roadbase, so I had a nice fill around the pipes. They brought in standard roadbase and when the owner called the supplier they told him they didn't have any sreened material. Fortunately, I had previously brought in some sand to get the main areas I was worried about and the main trench and pipe runs are still open and will get screened roadbase. I had to stop these guys from driving another stake into another pipe and had to periodically check in on these guys. The owner uttered the dreading words: "I had to bring in a second crew to get this done quickly." In other words, half the crew were strangers to him.
 
Ugh. But I do like the sandbags and framing for the turned down edge on the concrete. That should support things well. My concrete is turned down as well and has 1/2 - 3/4" grey stone for the fill. But I did not have exposed pipes for the stone to interfere with.

Best of luck on getting everyone to "do this right". I like that plan! Part of the OB experience. They don't call it work for nothing right?
 
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Ugh. But I do like the sandbags and framing for the turned down edge on the concrete. That should support things well. My concrete is turned down as well and has 1/2 - 3/4" grey stone for the fill. But I did not have exposed pipes for the stone to interfere with.

Best of luck on getting everyone to "do this right". I like that plan! Part of the OB experience. They don't it work for nothing right?
Indeed, the joys of an OB. I just looked at your build thread...looks awesome!
 
Supervised the pipe repair yesterday. Pressurized to 20 PSI. Got home today and it down 2-3 PSI in just 24hrs and it's much warmer today. There seems to be a slow leak. I don't think it was the repaired area, but somewhere else as I was there and the plumber did a solid repair. I was told to check skimmers as they are known to leak, no dice. Concrete guy is ready to pour tomorrow, so putting the brakes on. Really interesting as he calls me back to explain he spoke to a plumber who said 2 PSI drop is nothing to be concerned with. I explained that 2 PSI in 24hrs is concerning, but I'll check tomorrow morning and make the call then.
 

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Good job calling a full stop until you find the problem. We had one where there was no lube on the o-ring on the filter bleeder. Once she lubed it up the pressure held. Just an idea. Hoping it is that easy.

Kim:kim:
 
Good job calling a full stop until you find the problem. We had one where there was no lube on the o-ring on the filter bleeder. Once she lubed it up the pressure held. Just an idea. Hoping it is that easy.

Kim:kim:
Right now it's just capped pipes to a capped manifold. Interesting that it seems to be holding at 16PSI. I've been monitoring it all day along with the temperature. I realized I pressurized it Thursday and not yesterday. It is likely there is about a 10 degree drop in temperature from when I pressurized it Thursday, so I'm hoping the 20 to 16 PSI drop is just temperature. What concerned me was when we started the patio, it was low then they broke a pipe and just got it back under pressure Thursday. In hindsight I should have been watching it more closely in the days up to starting the patio. I wish it would warm up to see if the pressure comes back up...cooler tomorrow.

I also noticed that the patio guys did not bond the patio like they said they would, so luckily the electrician was in the neighborhood today. Did I mention it rained all day?
 
Are you sure you've bled all the air out of the system? With a large network of pipes, it's hard to get all the air out. Air pockets can cause fluctuations in pressure.


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Are you sure you've bled all the air out of the system? With a large network of pipes, it's hard to get all the air out. Air pockets can cause fluctuations in pressure.


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There is definitely air in the pipes. The plumber showed me the method to pressurize and it's done with water from a garden hose through a spigot on the manifold. There is really no way to bleed air out other than releasing it through the spigot and then adding more water...I suppose I could get rid of most of the air this way.


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Air will seek the highest point in the manifold unless it gets trapped in a bend. Hopefully the spigot is at the highest point. You can just open the spigot up to see if any air comes out and then repressurize the system again.


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Air will seek the highest point in the manifold unless it gets trapped in a bend. Hopefully the spigot is at the highest point. You can just open the spigot up to see if any air comes out and then repressurize the system again.


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The manifold is at the highest point. I depressurized Thursday and there was a lot of air. I will open the spigot tomorrow and purge the air. Thanks!



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Things are going downhill fast here. I've been calling daily to try to get this leak resolved. Plumber showed up today while I was at work and I noticed a second tee / pressure gauge and ball valve. I thought this was strange, so in looking around found an empty bottle of "fix a leak" from Marlig industries. Although this looks like a fine product I would consider this more of a "let's not rip up the patio" product. It seems like it would be a couple hours work to isolate which pipe is leaking. Now I'm concerned that this will fix the leak and in a few months it will leak again. Right now I have a recommendation of another plumber who I have reached out to. I'm thinking it's time to sever ties with this plumber and looking for opinions.


Photo Mar 21, 7 25 01 PM.jpg
 
:confused:Why would he put in the second gauge and valve? That seems mighty redundant! Has he been paid?

Kim (no cheering on this one)

I'm trying to get him on the phone to ask the same question. I partially paid him when he finished the pipe installation months ago as there was not a leak. I personally inspected every fitting before they poured gunite and the finished work. His work is very clean and he knows what he is doing...I am just fighting his laziness. I held back $1,000 to be paid upon installation of the equipment.


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