The 90m long open structure jetty was engineered to sustain forces generated by the high energy wave climate; the design wave height was calculated to be 8m. The jetty comprised a pre-cast concrete deck, cross tensioned and braced by cross head beams supported on 1200 diameter tubular steel piles, extending 5m into competent rock. The deck is vented and its sot proled to rapidly vent air and water, which would otherwise by compressed by ext

Join for free to read