GreenSlate Management announced that the 37 West Farnam Building under construction in the Blackstone District is set to open next spring. The company is now offering hard-had tours to prospective apartment renters. The 9-story building sits prominently along the south side of Farnam Street just west of the Kimpton Cottonwood Hotel. The building will have street-level retail space, a parking garage open to the public and several floors of apartments.