Field Review - Addition / Alteration - #900 - 9th floor Interior alterations to provide improvements to this existing office space on the 9th floor (#900) of this existing commercial building on this site. Scope of work: new walls to create corridors and an elevator lobby. Electrical and Sprinklers to suit. Energy checklist is currently no longer required with your Building Permit (BP) application. Some supporting documents are still required at BP stage, specifically Envelope and HVAC, if applicable. Service Water Heating and Lighting supporting documents, if applicable, must be submitted with your related trades permits (e.g. electrical and plumbing).