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37 17. Does your agency have special inspection practices during installation of waterproofing membrane systems? ( ) Yes ( ) No If any answer to Questions 15, 16, or 17 is Yes, please provide the specifications or practices. This information may be submitted in the box below as a written description or link(s) to document(s). ____________________________________________________________________ ____________________________________________________________________ or upload as a file (up to 1MB per file). Additional files may be uploaded in Question 25. 8. COSTS 18. If available, please provide the unit cost (labor, equipment, and materials) for the waterproofing membrane system only for each project during the past five years. Please list as many as possible. Project Unit Cost, New or Name $/sq ft Existing Deck 1 2 3 4 5 6 7 8 9 10 9. PERFORMANCE 19. What defects has your agency observed in the performance of waterproofing membranes on new concrete bridge decks? YesNo Lack of adhesion between the waterproofing membrane and the concrete deck Lack of adhesion between the waterproofing membrane and the asphalt surface Punctured waterproofing membranes Membrane blistering Horizontal shear failure at the membrane Cracks in the waterproofing membrane Voids under the waterproofing membrane Reinforcement corrosion Moisture penetration through the membrane but cause unknown Other