1. The work described in this section for each contract shall be complete systems and assemblies, including products, components, accessories, and installation required by the respective contract documents. 2. Trenches and other excavation for the work of each contract shall be the work of such contract. 3. Blocking, backing panels, sleeves, and metal fabrication supports for the work of each contract shall be the work of such Contract. 4. Furnishing of access panels for the work of each contract shall be the work of such Contract. Installation of access panels located in the substrate of ceilings, walls and floors shall be the work of the construction contract. 5. Equipment pads for the work of each contract shall be the work of such contract. 6. Roof-mounted equipment curbs for the work of each contract shall be the work of the construction contract. 7. Painting for the work of each contract shall be the work of such contract. 8. Cutting and Patching: Each contract shall perform its own cutting and patching. 9. Firestopping for the work of each contract shall be provided by such contract. 10. Contractors' Preliminary CPM Schedule: Within seven working days after preliminary CPM schedule submittal has been received from the scheduling consultant, submit a matching schedule showing construction operations sequenced and coordinated with overall construction.