Specifications include, but are not limited to: Proper prevention needs to be in place to prevent bats from returning to the building. 3.1.4. Estimated total square footage of the building is 50,000. 3.1.5. Contractor must remove prior unsecure work performed by previous contractor. 3.1.6. All areas of the 50,000 square foot building must be sealed including installation of vents, 5 voids and 35 pillars entirely and encompass various areas that are known to have bat entry/exit. 3.1.7. Clean up all bat waste completely in all areas located inside and outside of the building. 3.1.8. Perform Air Quality testing during and after clean-up of bat waste to ensure air is safe for all patients and staff. 3.1.9. All work shall be performed between the hours of 8:30 a.m. to 5:00 p.m. Monday through Friday. 3.1.7.1. Any work outside of these hours may be requested and approved in advance