workgroup c foundation and drainage issue: termites, etc. jack tidwell, rebecca baldwin, noel nixon,...
Post on 19-Dec-2015
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Workgroup CFoundation and Drainage Issue:
Termites, etc.Jack Tidwell, Rebecca Baldwin, Noel Nixon, Paul Hardy, Leslie Godfrey,
Dennis Ring, Joel Roeling and Faith Oi
Introduction• Termites
– Impact for life of structure
• Innovation=risk
Subterranean termites
Top Worst Design Mistakes
• Concepts: providing food, harborage, moisture: BAD
• KIDS=Keep It Dry, Stupid!
Top Worst Design Mistakes
• Leaving cellulosic debris in soil and building over it
Top Worst Design Mistakes
• Moving pipes or re-grading after soil termiticide treatment
Top Worst Design Mistakes
• Wood (cellulose) to ground contact
Top Worst Design Mistakes
• Condensation lines, other water sources dumping next to building
Top Worst Design Mistakes• Inaccessible areas, can’t inspect
Want to see inspection space, 6” min., FINAL
http://commons.wikimedia.org/wiki/Image:Detail-under-http://commons.wikimedia.org/wiki/Image:Detail-under-raised-floor.jpgraised-floor.jpg
Top Worst Design Mistakes
• Carton forms under slabs (rotting smell in buildings)
Top Best Design Ideas
• Concepts: High and dry, accessible and inspectable, no wood to soil
Top Best Design Ideas • Site selection: high and dry
http://brightdays.files.wordpress.com/2007/08/first-step.jpg
Top Best Design Ideas
• Sidewalk around the building instead of mulch
Top Best Design Ideas
• Appropriate overhang so that water from roof is not eroding termite treatment
Top Best Design Ideas
• Physical barrier (Termimesh, Granitgard)
Top Best Design Ideas
• Drain field away from structure, dumping into cistern or other holding
Top Best Design Ideas
• Snap-on baseboards