(State of Hawaii DOT) The intent of this project was to clear and repair damage from an overnight rockslide that occurred on the top of the Pali Highway, the major thoroughfare between Honolulu and Kailua on the island of Oahu. Prometheus crews worked 12 hour days 7 days per week until the freeway was safe to reopen, then continued to work during overnight freeway closures to complete the work. Scope of work included clearing the roadway of approximately 4,000 tons of rockfall debris material, demolition of destroyed portion of the Old Pali, shotcreteing, clearing, micropiling and pouring new rockfall fence foundations, erecting multiple rockfall fences, installing a 220′ tall 110′ wide attenuator rockfall fence, erosion control matting installation, horizontal slope drain installation, anchored wire mesh installation with over 200 20′ deep anchors installed in the system, drapery wire mesh installation, T35 roadside rockfall catchment fence installation, and chainlink fence installation. Prometheus was contracted on an immediate and emergency basis in order to clear the rockslide and reopen the freeway.
Pali Highway Emergency Rockslide Repair
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