The production, transportation, and use of concrete is one of the largest contributors of CO2 emissions during the construction of a building. The following summarizes the carbon footprint of the Wafflemat foundation system used versus the micro pile foundation initially considered for the Laie Marriott built recently in Oahu, Hawaii.
Size of foundation: Approximately 38,000 sf
Micro pile specs: 225 piles, 10” diameter, 70 feet deep to support 8” slab
Wafflemat specs: 8,000 12” x 19” x 19” Waffleboxes to support 6” slab
Concrete estimated in micro pile design: 2,302 cy
Concrete used in Wafflemat design: 1,872 cy
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