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  #1  
Old 03-11-2010, 06:38 PM
Mini man Mini man is offline
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Frustrated

Frustrated digging basements!
Can't get the damn floor level....always need to go down the ramp after and clean it up...what is the secret to digging a flat floor in a 6 foot deep basement ?
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Old 03-11-2010, 07:20 PM
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Scag48 Scag48 is offline
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You're digging it with your 315, right? A cleanup bucket or grade beam really help to get the floor level and clean. Also make sure you're sitting level, left to right, when you're cleaning the floor. Try as best you can to clean as you go, time = $$$ and it's easier to catch it the first time.
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Old 03-11-2010, 07:27 PM
Mini man Mini man is offline
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Using the 315 with a ditch cleaning bucket.....can't seem to hold grade within a couple of inches and the floor looks like a washboard
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Old 03-11-2010, 07:45 PM
Gravel Rat Gravel Rat is offline
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Grade it to the best you can, it is where the footings on the perimeter that the builder wants nice and even.
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  #5  
Old 03-11-2010, 08:16 PM
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AEL AEL is online now
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Like scag said , make sure you are sitting level. Also when you are "cleaning" the bottom of the hole, make sure the bucket is flat on the ground. I have seen so many people trying to use just the tip of the cutting edge to clean up .
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  #6  
Old 03-11-2010, 08:29 PM
Gravel Rat Gravel Rat is offline
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What is the soil conditions you dealing with that makes a big difference it it has hard and soft spots.

I don't know about eastern Canada but most basement floors here see 4 inches of compacted sand overtop of the native dirt.
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  #7  
Old 03-11-2010, 08:51 PM
AWJ Services AWJ Services is online now
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  #8  
Old 03-11-2010, 08:56 PM
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Scag48 Scag48 is offline
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Quote:
Originally Posted by T_S_S View Post
Like scag said , make sure you are sitting level. Also when you are "cleaning" the bottom of the hole, make sure the bucket is flat on the ground. I have seen so many people trying to use just the tip of the cutting edge to clean up .
Knew I was forgetting something. haha. Set that bucket flat and use the heel to your advantage. I've seen a lot of operators not use the bucket to it's full capacity, the heel can definately be a big help. Unless it's hardpan, you can usually make a cut of a couple tenths just by dragging the bucket across the grade.
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Old 03-11-2010, 09:24 PM
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ksss ksss is offline
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Like AWJ displayed, I use an Apache grade reader. Here is my stratagy. The concrete guys like a ramp down into the hole anyway. I dig it within a couple inches and put the VTS skid in the bottom and level it out. Its much faster and it looks great. The concrete guys are very happy. Actually they routinely say that my holes are the best they pour on. I quickly grade the floor with an inch tolerance with the skid steer. On a 2k square foot basement I will have it super tight in 20 minutes. The reason I do it is this. It takes longer to put it that tight with an excavator, and it still is not as smooth and compact as it is with a skid steer. With so few holes to dig, any advantage you can create is a plus. I believe that making that basement as flat and smooth as possible gets more work.
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  #10  
Old 03-11-2010, 09:42 PM
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bobcatexc bobcatexc is offline
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Quote:
Also when you are "cleaning" the bottom of the hole, make sure the bucket is flat on the ground. I have seen so many people trying to use just the tip of the cutting edge to clean up .


All these years I've been cutting grade with the cutting edge and teeth on excavator buckets and now you tell me!! I only use the bottom or heel of the bucket to smear mudd or level out clumpy dirt.

Like Scag and the rest stated just keep the machine level by throwing out a little dirt under the tracks and cleanup and grade as you go. Or do like another guy in town that does a lot of basement digs and put a helac tilt attachment on pretty slick setup he has.

I like the idea KSSS except it ties up a skidsteer for 20 minutes of work plus the cost of mob of an extra machine.
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