This June, Tishman Speyer begins construction on The Spiral, the 65-story office tower where the biopharma giant will reside starting in 2022.

Top-off is expected later this year at a pace of about one full level expected to be completed every week.

If a tenant is able to negotiate, it will go a long way to ensuring a smooth construction project and will reduce the likelihood of disputes.

Washington Prime Group and its partners are borrowing a play from Simon Property Group and GGP in 2016 when they joined forces to save a major tenant, Aeropostale.