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Metro Demolition Razes Vacant Herndon Homes in LaGrange The Atlanta Housing Authority has contracted Metro Demolition, LaGrange, Ga., to bring down the vacant Herndon Homes public housing project off Gray Street in downtown Atlanta. The project, which began in January with asbestos abatement, involves 31 two- and three-story structures, some with basements. Metro owner Todd Johnson started this huge task and soon decided that he needed a way to work more efficiently. âWe started this job taking down a couple buildings with buckets. We found out quickly there was just too much metal and rebar and you canât do it with buckets because you canât crush the concrete with that kind of metal in it.â Johnson consulted with David Jenkins at Solesbeeâs Equipment & Attachments, Douglasville, Ga., who came to the job site to check things out. Upon Jenkinsâ recommendation, Johnson purchased a Solesbeeâs SECC-4 concrete crusher-pulverizer for use with his Komatsu PC300LC. According to Johnson, the Solesbeeâs concrete crusher has been âan absolute lifesaver. Without it we would have been in a mess. Thereâs lots of rebar in each building, probably 12 to 15 tons per building, not including the metal window- and doorframes. This attachment has enabled us to crush concrete and separate it from the metal rebar. This is a 300-class machine and this crusher works
great off the bucket cylinder of this sized machine. Per building it takes about two days for this machine-attachment combination to demolish, and that includes separating all the material. âWe take the building down with the tool [crusher] and we get the rebar out by crushing the concrete,â Johnson continued. âOtherwise itâs just a mangled mess. We methodically take the roof down, and get all the wood in a pile, then we separate all the metal and take out as much as we can using the crusher-pulverizer, then we bring in a Cat 345 trackhoe with a bucket to clean things up. We are using Cat 953 and 963 loaders as well. When the Cat machines on site require routine maintenance, the people at Yancey Bros. have all the parts that we might need during this project in stock.â Because of the rapid pace in which Metro Demolition is taking down the structures, not every piece of rebar can be removed during the initial demolition process. âWeâll have a pile of trash that will still have a little rebar and we have to hand pick the remaining pieces of rebar. However, it only takes a couple hours to do this. Then the piles of concrete are ready to be crushed on-site or trucked out and crushed elsewhere. Some of the material we are recycling and producing here on site has a combination of brick and concrete in it. So itâs not perfect material, but is ideal for use in
inert fill like pipeline fill or parking lot base. âThe foundation base and the concrete walls are our best material and is crushed separately. We pull up the slabs, pull up the foundations and this is our ultimate recycled material that can be used for road base and other quality fill. Being able to recycle as much as we do on this job starts with this machine and attachment. Without this one tool, it would be ridiculously lengthy and very difficult. âThis tool has proven to be more versatile than a regular demo grapple. David [Jenkins] has been great to work with and the overall support we have gotten from Solesbeeâs is outstanding. We have other Solesbee's thumbs and a grapple and what I can say about them is that they provide personalized service. Theyâre not a huge attachment manufacturer thatâs just out there âpushing attachments.â David gets involved on all levels of sales. Iâm just a small demo company yet the service Iâve gotten from them is like Iâm one of the worldâs largest. Theyâre the kind of people I like doing business with,â Johnson stated. The host machine for the crusher, a Komatsu PC300LC, did not require any changes in order to use the attachment, which runs completely off the bucket hydraulics. No plumbing and no auxiliary hydraulics were required to get the concrete crusher/pulverizer working. see METRO page 2
The Solesbeeâs crusher brings down the gabled roof creating ease of access to the concrete.
The concrete is crushed on site exposing the rebar.
Sifting through the concrete, the rebar is pulled out by the attachment and piled for recycling.