Florida fitness chain Orangetheory Fitness is expanding to West Oahu with a location at the Safeway- and Longs Drugs-anchored Kapolei Marketplace, Pacific Business News has learned. The company, which began about six years ago, has plans to open eight locations in Hawaii. Orangetheory was issued a $150,000 building permit last week for a new location at the Kapolei Marketplace at 590 Farrington Highway. The company already has fitness centers in the Honolulu neighborhood of Kakaako and another…