My DIY irrigation plan

Irrigation systems, sprinklers & other watering topics
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CenlaLowell
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My DIY irrigation plan

Post by CenlaLowell »

Hello all,

I've been thinking about this for a few years so now Im ready to get to the planning stages. Over the winter I will read the website @Ware linked and also do the diy plan with rainbird and maybe Orbit. The first area I have in mine is this one.
Image

Image

Area is 100 x 100 and I will have a one inch water meter installed from the city for the supply. That's the first thing I have to do in order to get gpm and psi for my system.

I will update this as I can wish me luck.
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Re: My DIY irrigation plan

Post by TSGarp007 »

I assumed you had a system... how have you been keeping it watered this whole time?

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Re: My DIY irrigation plan

Post by CenlaLowell »

TSGarp007 wrote:
Mon Aug 24, 2020 11:44 am
I assumed you had a system... how have you been keeping it watered this whole time?
Nope, water hose and sprinkles all above ground
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Re: My DIY irrigation plan

Post by TSGarp007 »

CenlaLowell wrote:
Mon Aug 24, 2020 1:59 pm
TSGarp007 wrote:
Mon Aug 24, 2020 11:44 am
I assumed you had a system... how have you been keeping it watered this whole time?
Nope, water hose and sprinkles all above ground
Wow... No way I could keep up with that, very impressive.

I will say try to use a vibratory plow for any single line runs. I really wish I had done that instead of trenching everything.

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Re: My DIY irrigation plan

Post by CenlaLowell »

TSGarp007 wrote:
Mon Aug 24, 2020 2:05 pm
CenlaLowell wrote:
Mon Aug 24, 2020 1:59 pm
TSGarp007 wrote:
Mon Aug 24, 2020 11:44 am
I assumed you had a system... how have you been keeping it watered this whole time?
Nope, water hose and sprinkles all above ground
Wow... No way I could keep up with that, very impressive.

I will say try to use a vibratory plow for any single line runs. I really wish I had done that instead of trenching everything.
Thanks, this yard is getting away from me I got heat stress plus GLS going on looking pretty bad right now.

I've seen that machine on YouTube. I'm running PVC I don't think it can laid that down. I'm thinking you have to use that poly pipe with that machine.
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Re: My DIY irrigation plan

Post by mwemaxxowner »

You can pull PVC pipe into straight runs with a vibratory ow also. It just has to be glued together first.

You can also pull them in with a subsoiler on a 3 point hitch if you happen to have a tractor.
Northern SC, 13.5k ft² centipede in front started from sod. Half irrigated by below ground irrigation, half by above ground system with impacts. Back yard is a mixture of wild grasses. Very sandy soil.

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Re: My DIY irrigation plan

Post by CenlaLowell »

mwemaxxowner wrote:
Mon Aug 24, 2020 2:22 pm
You can pull PVC pipe into straight runs with a vibratory ow also. It just has to be glued together first.

You can also pull them in with a subsoiler on a 3 point hitch if you happen to have a tractor.
I don't have a tractor and homedepot doesn't rental that machine. They only have the trencher which I know is much more work. I definitely will have questions along the way so I'm glad people are chiming in.

Thanks
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Re: My DIY irrigation plan

Post by TSGarp007 »

I finished my project in January. Grass is still filling in in some spots, though overall it's getting pretty close. I over-seeded with annual ryegrass when I finished to fill the gap until the SA started spreading again.

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Re: My DIY irrigation plan

Post by CenlaLowell »

TSGarp007 wrote:
Tue Aug 25, 2020 11:48 am
I finished my project in January. Grass is still filling in in some spots, though overall it's getting pretty close. I over-seeded with annual ryegrass when I finished to fill the gap until the SA started spreading again.
That's cool I will take a look at your plan. I'm going to try to get the city to install the meter and I'll do the valves this year fingers crossed.
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Re: My DIY irrigation plan

Post by CenlaLowell »

Discuss with the city and it's 575$ for a 1 inch water meter installed. So that the first thing to do. Afterwards I'll install a ball valve, pvb, and two valves boxes with four valves in each. If I can accomplish this before Christmas I will be THRILLED

Overview

1 inch water meter
1 inch pvc pipe
What nozzles should I run???
100DVF valves 8
Pvb
Ball valve

What else am I missing?
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Re: My DIY irrigation plan

Post by CenlaLowell »

This ain't looking to good fellas

I'm using my water supply for this test. My house supply is a 3/4 water meter. I got the gallons per minute and it's LOW. I check it a few times and I'm coming up with 49 seconds to fill five gallons and that leaves me with six gpm. I know the irrigation water meter is going to be one inch but I don't know how much difference that will make. Here my setup for this test.

Update, I'm reading old posts with people saying that the spigot is really not the best place to get gpm and it will be much more when you tie into the mainline????? Until I get my new water meter there's no way for me to check it this way.
Image

Next test is the psi. I brought some pvc and other items to rig this up. What I got was 70 psi.



Image

Any help is appreciated
Paging @TSGarp007 @g-man
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Re: My DIY irrigation plan

Post by TSGarp007 »

Yep, I'd hold off on the psi/gpm test for now. But for now I would do a drawing of your property and start doing some sprinkler placement. Assume you'll get at least 40 psi for sprinkler radius coverage. Try to get head to head coverage. Don't try and spray through your multiple trees. You can divide the sprinklers up into zones, and figure out your pipe layout once you know your gpm.

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Re: My DIY irrigation plan

Post by g-man »

The 1in meter, Pex?

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Re: My DIY irrigation plan

Post by CenlaLowell »

TSGarp007 wrote:
Sat Sep 05, 2020 4:08 pm
Yep, I'd hold off on the psi/gpm test for now. But for now I would do a drawing of your property and start doing some sprinkler placement. Assume you'll get at least 40 psi for sprinkler radius coverage. Try to get head to head coverage. Don't try and spray through your multiple trees. You can divide the sprinklers up into zones, and figure out your pipe layout once you know your gpm.
The reason I was doing it was to use rainbird design plan, but here's the lot I'm running it on.
Image


Image

The one with the red arrow is the area. Lot 24

I own lot 22, 23, and 24
Last edited by CenlaLowell on Mon Sep 07, 2020 10:25 am, edited 1 time in total.
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Re: My DIY irrigation plan

Post by CenlaLowell »

g-man wrote:
Sat Sep 05, 2020 4:18 pm
The 1in meter, Pex?
1 inch water meter, I'll be using pvc
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Re: My DIY irrigation plan

Post by g-man »

Per irrigation tutorials, you can safely use 18gpm. Is the incoming pipe to the meter also 1in?

I would advice to keep the zones at no more than 15gpm. This allows you some room to flush a toilet.

https://www.irrigationtutorials.com/gpm ... er-source/

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Re: My DIY irrigation plan

Post by CenlaLowell »

g-man wrote:
Sat Sep 05, 2020 4:30 pm
Per irrigation tutorials, you can safely use 18gpm. Is the incoming pipe to the meter also 1in?

I would advice to keep the zones at no more than 15gpm. This allows you some room to flush a toilet.

https://www.irrigationtutorials.com/gpm ... er-source/
Everything is one inch,

I'm not using the same water meter my home is on. 15 gpm per zone? If so, this is definitely doable. I've been reading a lot of irrigation tutorial and it's definitely overwhelming. I'll get it though

This is where you are getting your gpm, correct?


Image
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Re: My DIY irrigation plan

Post by g-man »

Yes, that table. Since it is dedicated, then forget about the toilet, 18gpm per zone.

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Re: My DIY irrigation plan

Post by TSGarp007 »

I was going to mention that part of the tutorial but didn't want it to be my fault if it ends up being less. Even if 18 is available I'd still design to less so that you would have the ability to add a sprinkler later on, or have the flexibility to upgrade nozzles if required.

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Re: My DIY irrigation plan

Post by CenlaLowell »

TSGarp007 wrote:
Sun Sep 06, 2020 8:14 am
I was going to mention that part of the tutorial but didn't want it to be my fault if it ends up being less. Even if 18 is available I'd still design to less so that you would have the ability to add a sprinkler later on, or have the flexibility to upgrade nozzles if required.
Understood, I'm doing the rainbird design and using 15 gpm rate. I've drawn the picture of my lawn and will send it off Tuesday. I will learn all I can BEFORE I undertake this.

Thanks
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