Employees at The Modern Honolulu, which has seen two management changes in the two years it has been open, have approved their first union contract.

The five-year deal, which goes into effect Tuesday, provides hourly wage increases, two added holidays, improved workload for housekeepers, and increased porterage for bell and valet staff. It also includes a successorship provision that secures workers’ jobs if The Modern Honolulu is sold to another company, or changes ownership or management.

The contract between the Waikiki  hotel and Unite Here Local 5 follows more than two years of negotiations and covers more than 250 Modern Honolulu workers. It was approved Thursday night by the union employees in a 101-12 vote.