Three winning entries were announced for rigging at this year’s Specialized Carriers & Rigging Association (SC&RA) Job of the Year competitions during the annual conference Closing Night Awards and Recognition Dinner on April 16.
Winning in the Over $750,000 category, Fagioli, Inc., Houston, Texas, removed and replaced two stators at a nuclear power plant in Veracruz, Mexico. There were many challenges to the job including the heavy weight of the stators (720,000 pounds each); the restricted working area; the insufficient capacity of the existing overhead crane; and unavailability of time to test the fitting of the system.
Taking the $150,000 to $750,000 category was Barnhart, Memphis, Tenn., which erected 11 prefabricated sections into one 420,000-pound final coffer dam for a San Diego Water Authority project. The crew then lowered the coffer dam into the water and onto the dam wall at a 6-degree angle, and held the load in a stationary position to allow divers to secure the coffer dam to the face of the San Vicente Dam (five to 10 days). Equipment included sixty 130-foot strands, two 30-ton strand jacks, three 450-ton strand jacks, and five floating anchors.
Also taking the under $150,000 category, Barnhart removed two vessels from an existing structure and replaced with new vessels during a refinery turnaround. The first vessel weighed 14,310 pounds, measured 4’6” in diameter, and was 16 feet long. The second vessel weighed 29,349 pounds, and was 8 feet in diameter and 20 feet long.
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