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OCR for page 47
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
