Specifications include, but are not limited to: Roof Renovation: 1. Apply the VersiWeld Adhered Roofing System (or equal) in conjunction with tapered (slope to drain) Polyiso insulation (or equal) after tear off of the existing single-ply membrane roof to expose the deck for verification of suitable substrate as specified in this specification 2. Provide all labor, material, tools, equipment, and supervision necessary to complete the installation of the VersiWeld reinforced TPO (Thermoplastic Polyolefin) (or equal) reinforced membrane Adhered Roofing System including flashings and insulation as specified herein and as indicated on the drawings in accordance with the manufacturer's most current specifications and details. Top ply membrane thickness is nominal 15 mil or thicker 3. Take necessary steps in order to not disrupt activities in occupied spaces. All occupied spaces are offices in use and need to be kept dry during the project. 4. Before beginning work, the roofing contractor must secure approval from the building owner's representative for the following: Areas permitted for personnel parking, access to the site, areas permitted for storage of materials and debris, areas permitted for the location of cranes, hoists and chutes for loading and unloading materials. - Prior to bid submission, the roofing contractor should schedule a job site inspection to observe actual conditions and verify all dimensions on the roof. 5. Sanitary facilities will not be available at the job site. The roofing contractor shall be responsible for the provision and maintenance of portable toilets or their equal. 6. Remove all traces of piled bulk material and return the job site to its original condition upon completion of the work. 7. A supervisor shall be on the job site at all times while work is in progress. 8. The roofing system must be installed by an applicator authorized and trained by the manufacturer in compliance with shop drawings as approved by the manufacturer. 9. Provide manufacturer’s 20 year Membrane Material Warranty covering material with labor warranty provided by installer. 10. All products (including insulation, fasteners, fastening plates, prefabricated accessories and edgings) must be manufactured and/or supplied by the roofing system manufacturer and covered by the warranty