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House plumbing pressure?

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House plumbing pressure? big e lewis 08-25-2007
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Posted by Bob F on August 25, 2007, 4:25 pm

> Our house has city water for everything but the outside faucets, which
> are fed by a well. The well has died, so I plan on cutting the copper
> pipe coming from the well, and connecting it into the copper city water
> line just after the shutoff valve where it comes into the house.
> Luckily, the two lines are only about 3 feet apart from each other. I
> have never worked with copper pipes before, only plastic. I thought
> about practicing sweating joints first on small scrap pieces of pipe,
> sealing one end, and pressurizing the pipe with my air compressor to
> check for leaks before I attempt this for real on my house plumbing.
> What kind of pressure is in a typical house with city water plumbing? I
> am nervous about this project, cause once I cut into the house line, I
> will have to finish it, and do it right or I will not have any water in
> the house at all till it IS right. Any thoughts/tips/suggestions are
> appreciated! Thanks, Earl
>

Depending on your water prices, you might want to revive the well. Watering can
be very expensive.

If the outside faucets are not all standard above ground faucets, for instance,
if you have a buried sprinkler system, you will need to install anti-backflow
devices to avoid contaminated water from being sucked back into the pipes in
event of a water system failure.

You will have to get ALL the water out of the pipes where you solder or you will
not get them hot enough.

Bob



AppliancePartsPros.com, Inc.
Posted by Travis Jordan on August 26, 2007, 4:52 pm
> Depending on your water prices, you might want to revive the well.
> Watering can be very expensive.

Or if your energy prices are high, the cost of electricity to pump the water
(plus the amortized costs of repairing the well) might be higher than the
anticipated city water costs. YMMV.



Posted by Edwin Pawlowski on August 26, 2007, 10:01 pm

>
> Good point. Let's see
>
> I have a 3/4 hp (600w) pump that delivers 6 gpm = 3600 gph against a
> 75' head. Since I pay $0.10/kwh, that's $0.06 for 3600 gallons. When I
> use county water the cost is $4.00 per 1000 gallons. A pump lasts
> about 20 years and costs about $300 to replace.
>
> Not even close.

In addition, most sewer fees are computed using water use so that portion of
the bill goes up also, even if the water is going to ground. Just as a
point of interest we pay $4.66 per thousand



Posted by Caesar Romano on August 27, 2007, 8:05 am
wrote Re Re: House plumbing pressure?:

>
>>
>> Good point. Let's see
>>
>> I have a 3/4 hp (600w) pump that delivers 6 gpm = 3600 gph against a
>> 75' head. Since I pay $0.10/kwh, that's $0.06 for 3600 gallons. When I
>> use county water the cost is $4.00 per 1000 gallons. A pump lasts
>> about 20 years and costs about $300 to replace.
>>
>> Not even close.
>
>In addition, most sewer fees are computed using water use so that portion of
>the bill goes up also, even if the water is going to ground. Just as a
>point of interest we pay $4.66 per thousand

Yes, I forgot about sewer. I'm on a septic tank, so we don't get
charged a sewer fee, but If we did it would be based on the water used
through the meter just as you describe.

Does the $4.66/K include the sewer fee?

I'm curious now. Does anyone else know what their city or county water
costs are?

Posted by Travis Jordan on August 29, 2007, 6:50 am
> I'm curious now. Does anyone else know what their city or county water
> costs are?

West Central Florida:
Base charge - Water:
$1.05 / K gallons (1st 5500)
$1.69 / K gallons ( > 5500)

Sewer charge:
$3.44 / K gallons

plus Utility tax of 10% on water consumed.



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