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#1
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Sink posts how deep?
I need to install three 4x4 posts to support grape vines. There'll be some
sort of wire stretched horizontally between the posts, as done at vineyards. However, I'd prefer NOT to pour cement. Reason: This project could be a total failure if the deer decide grape vines=salad. They ate my neighbor's car last week, so anything's possible. So, if I'm using 8 foot posts, should 3 feet under the ground be sufficient? |
#2
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Sink posts how deep?
"JoeSpareBedroom" wrote in message ... I need to install three 4x4 posts to support grape vines. There'll be some sort of wire stretched horizontally between the posts, as done at vineyards. However, I'd prefer NOT to pour cement. Reason: This project could be a total failure if the deer decide grape vines=salad. They ate my neighbor's car last week, so anything's possible. So, if I'm using 8 foot posts, should 3 feet under the ground be sufficient? What state do you live in? In southeast Michigan, we have to go 40" deep to avoid frost heave. |
#3
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Sink posts how deep?
"Frank from Deeetroit" wrote in message
. .. "JoeSpareBedroom" wrote in message ... I need to install three 4x4 posts to support grape vines. There'll be some sort of wire stretched horizontally between the posts, as done at vineyards. However, I'd prefer NOT to pour cement. Reason: This project could be a total failure if the deer decide grape vines=salad. They ate my neighbor's car last week, so anything's possible. So, if I'm using 8 foot posts, should 3 feet under the ground be sufficient? What state do you live in? In southeast Michigan, we have to go 40" deep to avoid frost heave. Upstate NY. I guess there's my answer. :-) |
#4
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Sink posts how deep?
10% + 2' is the formula typically used for earth supported posts
from power poles to fence posts. I cannot see any reason to worry about frost depth for a fence or a grape vine. Ran many miles of high power line in western Nebraska on 120' poles. 14' setting depth. -- ______________________________ Keep the whole world singing . . . . DanG (remove the sevens) "JoeSpareBedroom" wrote in message ... I need to install three 4x4 posts to support grape vines. There'll be some sort of wire stretched horizontally between the posts, as done at vineyards. However, I'd prefer NOT to pour cement. Reason: This project could be a total failure if the deer decide grape vines=salad. They ate my neighbor's car last week, so anything's possible. So, if I'm using 8 foot posts, should 3 feet under the ground be sufficient? |
#5
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Sink posts how deep?
JoeSpareBedroom wrote:
I need to install three 4x4 posts to support grape vines. There'll be some sort of wire stretched horizontally between the posts, as done at vineyards. However, I'd prefer NOT to pour cement. Reason: This project could be a total failure if the deer decide grape vines=salad. They ate my neighbor's car last week, so anything's possible. So, if I'm using 8 foot posts, should 3 feet under the ground be sufficient? I replaced some fence posts last fall. Pacific NW area, lots of rain, relatively little freezing here on the vallry floor. Mountais are different. They were 4" x 4" PT in concrete, about 20 - 25 years in the ground, rotted through in the 2 - 4 inches immediately above the concrete. Getting the concrete outwas a pain. Had the use of a neighbor's clamshell / post hole digger. Dug the hole 3 feet deep. Put in 1 foot of crushed gravel, tamped and packed. Placed post 2 feet into hole, tamped and packed gravel into hole up to surface. Have 6 feet of post above ground. Looks good and is very sturdy. From what i've seen around here, concrete and 4" x 4" wood posts just don't work well together. YMMV. |
#6
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Sink posts how deep?
"JoeSpareBedroom" wrote in message ... I need to install three 4x4 posts to support grape vines. There'll be some sort of wire stretched horizontally between the posts, as done at vineyards. However, I'd prefer NOT to pour cement. Reason: This project could be a total failure if the deer decide grape vines=salad. They ate my neighbor's car last week, so anything's possible. So, if I'm using 8 foot posts, should 3 feet under the ground be sufficient? Go 36". Tamp the dirt around the pole good and tight. It'll be fine. |
#7
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Sink posts how deep?
JoeSpareBedroom wrote:
I need to install three 4x4 posts to support grape vines. There'll be some sort of wire stretched horizontally between the posts, as done at vineyards. However, I'd prefer NOT to pour cement. Reason: This project could be a total failure if the deer decide grape vines=salad. They ate my neighbor's car last week, so anything's possible. So, if I'm using 8 foot posts, should 3 feet under the ground be sufficient? The deer ate the car? :-) Vinyards often have a diagonal wire to a post in the ground at each end of a line of posts, which keeps the posts tight in the line. You might add more wires at right angles to make a wire grid that keeps the posts from wiggling from side to side in the line, without any digging at all, using high-tensile wire with circular racheting fence tighteners. Nick |
#8
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Sink posts how deep?
wrote in message
... JoeSpareBedroom wrote: I need to install three 4x4 posts to support grape vines. There'll be some sort of wire stretched horizontally between the posts, as done at vineyards. However, I'd prefer NOT to pour cement. Reason: This project could be a total failure if the deer decide grape vines=salad. They ate my neighbor's car last week, so anything's possible. So, if I'm using 8 foot posts, should 3 feet under the ground be sufficient? The deer ate the car? :-) These deer are outrageous. They apparently got their hands on a list of "deer resistant plants" (bull****), and decided to turn it upside down. Vinyards often have a diagonal wire to a post in the ground at each end of a line of posts, which keeps the posts tight in the line. You might add more wires at right angles to make a wire grid that keeps the posts from wiggling from side to side in the line, without any digging at all, using high-tensile wire with circular racheting fence tighteners. Nick Yeah...I thought I might have to use at least one support wire at each post. Maybe more. Then, I'll need a string trimmer. I had this dumb idea that I could construct the whole affair in such a way that I could mow really close and not have to buy another tool.... ....never mind. |
#9
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Sink posts how deep?
"jJim McLaughlin" wrote in message . .. JoeSpareBedroom wrote: I need to install three 4x4 posts to support grape vines. There'll be some sort of wire stretched horizontally between the posts, as done at vineyards. However, I'd prefer NOT to pour cement. Reason: This project could be a total failure if the deer decide grape vines=salad. They ate my neighbor's car last week, so anything's possible. So, if I'm using 8 foot posts, should 3 feet under the ground be sufficient? I replaced some fence posts last fall. Pacific NW area, lots of rain, relatively little freezing here on the vallry floor. Mountais are different. They were 4" x 4" PT in concrete, about 20 - 25 years in the ground, rotted through in the 2 - 4 inches immediately above the concrete. Getting the concrete outwas a pain. Had the use of a neighbor's clamshell / post hole digger. Dug the hole 3 feet deep. Put in 1 foot of crushed gravel, tamped and packed. Placed post 2 feet into hole, tamped and packed gravel into hole up to surface. Have 6 feet of post above ground. Looks good and is very sturdy. From what i've seen around here, concrete and 4" x 4" wood posts just don't work well together. Were the bottoms of the rotted out posts completely surrounded by concrete? I have found that is the usual culprit for rotted bases- the bottom of post never drains, since it is sitting in a pocket. I've had good luck using gravel in hole like you describe, but with the top six inches or foot in concrete, to stiffen things up. (wood or metal clothesline poles.) aem sends... |
#10
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Sink posts how deep?
aemeijers wrote:
"jJim McLaughlin" wrote in message . .. JoeSpareBedroom wrote: I need to install three 4x4 posts to support grape vines. There'll be some sort of wire stretched horizontally between the posts, as done at vineyards. However, I'd prefer NOT to pour cement. Reason: This project could be a total failure if the deer decide grape vines=salad. They ate my neighbor's car last week, so anything's possible. So, if I'm using 8 foot posts, should 3 feet under the ground be sufficient? I replaced some fence posts last fall. Pacific NW area, lots of rain, relatively little freezing here on the vallry floor. Mountais are different. They were 4" x 4" PT in concrete, about 20 - 25 years in the ground, rotted through in the 2 - 4 inches immediately above the concrete. Getting the concrete outwas a pain. Had the use of a neighbor's clamshell / post hole digger. Dug the hole 3 feet deep. Put in 1 foot of crushed gravel, tamped and packed. Placed post 2 feet into hole, tamped and packed gravel into hole up to surface. Have 6 feet of post above ground. Looks good and is very sturdy. From what i've seen around here, concrete and 4" x 4" wood posts just don't work well together. Were the bottoms of the rotted out posts completely surrounded by concrete? I have found that is the usual culprit for rotted bases- the bottom of post never drains, since it is sitting in a pocket. I've had good luck using gravel in hole like you describe, but with the top six inches or foot in concrete, to stiffen things up. (wood or metal clothesline poles.) aem sends... Old posts were set two feet into ground, bases resting on bare dirt (well, mostly clay, wet soggy clay, but you get the picture.) About 1 foot of concrete. Old posts below the bottom of the concrete "plug" were deteriorated, but not rotted out. It was the two inches to four inches of old post above the "plug", plus about 3 - 4 inches of old post that were right inside the "top" of the concrete "plug" that rotted out. I hope I'm explaining that in a coherent way. g. I think the "plug" had a small space between its inner surface and the outer surface of the post, as the wood dried and shrank. I expect that water flowed into that gap over the years and just sat there, puddled, and rotted the wood. |
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