Category Archives: Construction

Building it up.

An Engineered Solution

The slab was the major issue that made this house virtually unsellable. Like most foreclosures, the house suffered from years of delayed maintenance, like peeling paint on the windowsills, and broken glass in some of the windows. Once it was … Continue reading

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Waffle Mat!

While researching issues with slabs on grade and expansive soils, I found this very interesting solution to building a mat (raft) slab. Originally invented by Matt Gonsalves, the boxes are still manufactured by the family’s Conco Corporation. There are a … Continue reading

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Mountain Brawny

Just after Labor Day I realized we were getting close to needing the brawn to remove the concrete and excavate for the new slab. I contacted four listings that advertised concrete services and two responded. The first one was Mile … Continue reading

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Crown Jade Design and Engineering

At Greg’s strong recommendation, I decided to seek out a structural engineer who would be willing to take care of the specific design using WaffleMat for our installation. The person I chose had presented at a USGBC event as a … Continue reading

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Waffle Mat Slab

The Waffle Mat system uses 19 1/2″ X 19 1/2″ X 8 1/2″ recycled plastic boxes. The boxes have a rim on two sides and can be used in sets of 4 or individually depending on the design. I decided … Continue reading

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HP Geotech

I asked the Asbestos test engineer, Rick Luce, for a recommendation for a soils engineer, as he had mentioned that he worked with several and would give me a recommendation when the time came. He recommended Alan Lisowy at HP … Continue reading

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Permit Possibilities

I went to the city To buy a fat pig (permit) Home again, home again, jiggidy jig. I have been very pleased by how helpful the permit office in Arvada has been to me. I have visited a few times … Continue reading

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Sewer Simulations

What? Now we have to replace the sewer to “code”? Yep, that is a permit’s requirements. These fussy cities, what do you do? Umm, figure out the code? I was able to download the codes after feverish searching on the … Continue reading

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More Sewer Fun

The previous post accounts for the biggest open question about the plumbing in the master bathroom–do we need the dry vent for the toilet? Well, what would it hurt anything right? In the family room bath the toilet is at … Continue reading

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Courtesy Inspection

Laying the drains and vents for the house took several days. We had hoped to have an inspection after only 3 days of layout and gluing but after 3 days we ended up asking for a courtesy inspection instead of … Continue reading

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