CRESCENT CITY HARBOR MARINA

Category:Floating Docks, Wave Attenuators, Concrete, Unibolt
Location:CRESCENT CITY, CALIFORNIA, USA
Service:Design / Supply
Scope:Replacement of existing marina

Description

Crescent City is tsunami central. This charming city near the California Redwoods has suffered eleven tsunamis since 1933. Made wiser by two tsunamis in four and a half years, the harbor decided to do more than just rebuild the old marina. They wanted a storm resistant marina.

The pivotal factor in achieving a robust marina is the strength, size and number of pilings. The new steel pilings are 30 inches in diameter, 70 feet long and socketed approximately 35 feet deep into the rock. The outer dock, known as H-dock, is a wave attenuator designed to calm the harbor on a daily basis. It is also the harbor’s first line of defense in the event of a tsunami. The dock and its piling system are designed to survive a wall of water 12 feet tall.

Features

Unibolt concrete docks

30 in. steel piles supported by 600 lb. pile guides

Floating wave attenuator constructed from 160,000 lb. concrete modules