Specifications include, but are not limited to: A. Item No. 1 - Roof Walkways: 1. Description: Unit price for labor and material to provide and install new 30-inch wide roof walkways as specified in Section 07 5419 – Polyvinyl-Chloride (PVC) Roofing. Refer to keyed note no. 17 on Sheets AE-101, and AE-102 for locations. 2. Unit of Measurement: Lineal Foot of Walkway. B. Item No. 2 – Substrate Board: 1. Base Bid: Existing substrate board to remain. Verify moisture content. 2. Unit Price Description: Unit price for labor and material to replace damaged substrate board with new substrate board as specified in Section 07 5419 - Polyvinyl-Chloride (PVC) Roofing. 3. Unit of Measurement: Square Foot of substrate board.