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1. Weather Conditions: Specific provisions for weather-related delays and work conditions, recommended for regions with severe weather

2. Environmental Requirements: Special environmental compliance requirements, needed when working with specific materials or in protected areas

3. Sustainable Materials: Requirements for eco-friendly materials and practices, optional unless required by project specifications

4. Apprenticeship Requirements: Provisions for training and employing apprentices, needed when required by local regulations or project requirements

5. Value Engineering: Provisions for cost optimization and alternative solutions, useful for larger projects

6. Building Permit Responsibilities: Allocation of responsibilities for obtaining permits, needed when subcontractor involvement in permitting is required

1. Schedule A - Scope of Works: Detailed technical specifications and drawings for the roofing works

2. Schedule B - Bill of Quantities: Itemized list of materials, quantities, and prices

3. Schedule C - Project Timeline: Detailed project schedule including milestones and completion dates

4. Schedule D - Payment Schedule: Detailed breakdown of payment installments and conditions

5. Schedule E - Safety Requirements: Specific safety protocols and requirements for the roofing work

6. Schedule F - Quality Control Plan: Detailed quality control procedures and acceptance criteria

7. Appendix 1 - Insurance Certificates: Copies of required insurance policies and certificates

8. Appendix 2 - Subcontractor Qualifications: Certifications, licenses, and qualifications of the roofing subcontractor

9. Appendix 3 - Material Specifications: Detailed specifications for all roofing materials to be used