All correspondence must be made through the Vendor Portal. Specifications include, but are not limited to: Replacement or installation of Performing Arts (PAC), Admin (A), Testing and Student Success (TS3) Air handling units and duct systems; The Contractor shall inspect the substrate to receive the work and the conditions under which the work is to be performed. The Contractor shall report all unsatisfactory conditions in writing to the Owner. Do not proceed with the work until unsatisfactory conditions have been corrected in a manner acceptable to the Installer. Proceeding with the work indicates acceptance of the substrate conditions and waives any future claim to the contrary. Manufacturer’s Instructions: Where installations include manufactured products, Contractor shall comply with the manufacturer’s applicable instructions and recommendations for installation, to the extent that these instructions and recommendations are more explicit or more stringent than requirements indicated in the contract documents. Cutting and Patching: The Contractor shall be responsible for all cutting, fitting or patching that may be required to complete the work or to make its several parts fit together properly. The Contractor shall not damage or endanger any portion of the work or the work of the Owner or any separate contractors by cutting, patching or otherwise altering any work, or by excavation. Hold any cutting, fitting, or patching of new work to the absolute minimum. Should cutting, fitting or patching become necessary, it shall be performed to the minimum requirements as hereinafter stated and as stipulated elsewhere in the Contract Documents. Structural elements shall not be cut without the written consent of a Structural Engineer. In all cases, exercise extreme care in cutting operations, and perform such operations under adequate supervision by competent mechanics skilled in the applicable trade. Openings shall be neatly cut and shall be kept as small as possible to avoid unnecessary damage. Careless and/or avoidable cutting, damage, etc., will not be tolerated, and the Contractor will be held responsible for such avoidable or willful damage. All replacing, patching and repairing of all materials and surfaces cut or damaged in the execution of the work shall be performed by experienced mechanics of the several trades involved. Such replacing, repairing and/or patching shall be done with the applicable materials, in such a manner that all surfaces so replaced, etc., will, upon completion of the work, match the surrounding similar surfaces.