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  #1  
Old 12-29-2012, 02:37 AM
icex icex is offline
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Location: WV
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Gabion Wall Pricing

Got a call from a engineer on a gabion wall project. I wanted to see if anyone has experience pricing these and offer advice.

I have to remove a 50ft long, 15ft tall cinderblock wall thats fell into the creek and haul it off, build a 51ft long, 6ft wide pad using compacted 57 gravel, install 51ft of gabion baskets, drive 51 peices of #7 rebar in the first row of baskets (17 baskets, 3 rebar each), tie all baskets together, install geotextile behind the baskets and backfill with 57 gravel.

I estimated 208 tons of gabion rock (4-6 inch), and 200 tons of 57 gravel for the base, and backfill.

After finished with that, cover the top of the baskets with topsoil, grade and grass.

What would you charge laborwise? I have a number in my head but want to see what everyone thinks. I will have 3-4 helpers.
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  #2  
Old 12-29-2012, 03:39 AM
icex icex is offline
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Forgot to mention the rebar has to be 6ft long, 3 ft driven down into the ground. There are 61 gabion baskets total.
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  #3  
Old 12-29-2012, 02:02 PM
icex icex is offline
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Bump, anyone?
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  #4  
Old 12-30-2012, 02:03 PM
icex icex is offline
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No one has experience installing gabion baskets? I think WV is the only state in the united states that uses these things lol..
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  #5  
Old 12-30-2012, 02:12 PM
Duekster Duekster is offline
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I have no experiance with such a creature.
I can visualize what you are saying but what I can not see if what type of access you have and what type of equipment you will be able to utilize.

I once had an errosion control project were we drove cables into the side of the hill using a 65# jack hammer and we drove them 12 feet deep. Part of the hill was very steep, no access to equipment so we had to use shoves to create walking trails.

Most Gabions I have seen are in the NE area and they are often highway projects. I do not do highway projects.

Last edited by Duekster; 12-30-2012 at 02:17 PM.
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  #6  
Old 12-30-2012, 02:14 PM
icex icex is offline
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Quote:
Originally Posted by Duekster View Post
I have no experiance with such a creature.
I can visualize what you are saying but what I can not see if what type of access you have and what type of equipment you will be able to utilize.

I once had an errosion control project were we drive cables into the side of the hill using a 65# jack hammer and we drove them 12 feet deep. Part of the hill was very steep, no access to equipment so we had to use shoves to create walking trails.
We'll be using a mini excavator, renting a 2500 gpm pump to divert the water in the creek away from the work area, and renting a compactor to compact the 57 gravel.
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  #7  
Old 12-30-2012, 02:43 PM
xc2010 xc2010 is offline
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Not to sound like a smart-ass, but this thread shows you have no idea what you, your employees, and your current equipment set are capable of. No one has an identical set up so no one but you can determine how to bid a job. Even if you found two people with the same amount of employees and same equipment, they do not necessarily have the same overhead, profit margins etc.. You are the only one that can accurately determine what a job will take.
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  #8  
Old 12-30-2012, 02:44 PM
icex icex is offline
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I have some pictures of the project. I'll upload them. Hold on.
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  #9  
Old 12-30-2012, 02:46 PM
xc2010 xc2010 is offline
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Quote:
Originally Posted by icex View Post
I have some pictures of the project. I'll upload them. Hold on.
Then it should be simple (Estimated hours to complete X Labor rate)=Fixed cost

Edit: Fixed labor cost
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  #10  
Old 12-31-2012, 11:27 AM
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bobcatexc bobcatexc is offline
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I've done gabion baskets, there no fun!! They are very labor intensive, make sure you rent a air gun to hog tie ring the basket together, that will help speed up quite a bit. We always place the stone into the basket with an excavator or I've used a backhoe, then hand place to fill in the voids and like someone mention you'll have to cross tie them in 1/3rd intervals or halfs. Small crow bar will become your labors favorite tool to pook rocks into place and help close the baskets together. I'm surprised they call out #57s that have to be compacted, we always backfill with gabion rock so you don't have to compact between the wall and dirt slope, cut the slope as tight as you can so it don't eat up to much backfill.

I'm sure a Cat 304 will work but I've never used anything small than a 308 or Kom PC88. You don't want to much machine as you want to beable to place the bucket down into the basket. We always dipped the rock out a rock box on a trailer or out of the back of Tri-axle. This will help save on rock and not get mud into the baskets and leave alot cleanier jobsite.
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