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OCR for page 60
50 Respondent Detail Alaska Use of tack coat prior to waterproofing membrane installation is per most manufacturers' recommendations. California Install bleeder pipes on low side of deck spaced at 30-ft intervals. See specification. Connecticut Primer must meet requirements of ASTM D41 in accordance with the specification. Idaho Allow peel and stick Missouri The tack coat is used in conjunction with the asphalt wearing surface per MoDOT Standard Specifications. New Hampshire See the standard specification, 538. for discussion of protection board. New York See installation procedures covered in each manufacturer's materials details (approved list). Pennsylvania Primers are part of the manufacturer's requirements South Dakota See response to Question 7. Tennessee Some products on the QPL require tack coat prior to the installation of the membrane. Utah Pre-formed roll-on membranes typically have a tack coat that holds the membrane to the deck for ease of installation and paving. Virginia The membrane is installed in accordance with VDOT specifications and manufacturer's recommendations. Primers, adhe- sives, and tack coats are sometimes used if recommended by the manufacturer. Liquid membranes are typically epoxy and broadcast aggregate. Washington If a manufacturer recommends a primer, the contractor is required to use it. Wyoming Based on manufacturer's recommendations with their supplied membrane. Alberta Wick drains and membrane reinforcing fabric. The requirements for these products are described in the applicable specifica- tions and on the standard drawings. Manitoba 10-mm protection board with 25-mm overlaps (longitudinally and transversely) installed between the waterproofing mem- brane and asphalt overlay. Protection board to be half sheet staggered (minimum 150 mm) at longitudinal joints in the wear- ing surface. New Brunswick Follow applicable manufacturer's recommendations Newfoundland Primers as per the membrane manufacture's requirements for SBS modified thermo fusible membrane systems. Protection and Labrador board is used with some systems. Nova Scotia Division 5 Section 9 Ontario We use tack coat and protection board as part of our standard treatment. We may specify the use of a reinforcing membrane over deck cracks, where these are a significant issue, to help maintain continuity of the membrane. Prince Edward Primers can be used for peel and stick and hot applied rubberized compound applications. We've used protection boards Island with the hot applied method and we have allowed for deck drainage between layers of the membrane and asphaltic concrete overlay. Saskatchewan Tack coat and protection board used for hot applied rubber membranes is our normal practice. 7. CONSTRUCTION AND INSPECTION 15. Does your agency have specifications for the surface preparation of new concrete bridge decks prior to the application of the water- proofing membrane system? Yes: 19 agencies No: 12 agencies 16. Does your agency have specifications for the surface preparation of existing concrete bridge decks prior to the application of the waterproofing membrane system? Yes: 26 agencies No: 6 agencies 17. Does your agency have special inspection practices during installation of waterproofing membrane systems? Yes: 13 agencies No: 19 agencies

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51 If any answer to Questions 15, 16, or 17 is Yes, please provide the specifications or practices. Respondent Details Alaska 2004 Standard Specification for Highway Construction, Section 508 shtml# California Deck Seal Slurry Leveling Course 06.doc file_413279_148681034_2_e_b05-01-06.doc Connecticut See requirements specified under "Construction Methods" for Membrane Waterproofing (woven glass fabric) in Form 816. Use following web address to access Form 816: My Documentssurveys tions/816/012004/2004_816_original.pdf Idaho Basically must be clean. When engineer requires it: ASTM D3633 Illinois See Section 581 of the Standard Specifications for Roads and Bridges Kansas We just use our general concrete patching specification and the contractor must submit and follow the manufacturer's speci- fications and recommendations for the material they will be using. Michigan,%20Protective%20Covers.pdf See subsection 710.03.C Michigan Spec Book p. 461 Missouri Nebraska We require manufacturer's representative and follow their recommendations New Hampshire See specification. New Jersey As per recommendation of manufacturer's representative. New York Our Engineering Instructions, issued with the specifications for each system type, offer guidance and the materials details of each approved system also addresses this. Oklahoma Refer to Subsection 505.04C.(1) of our standard specifications specbook/2009specbook.pdf Oregon Part_00500 Pennsylvania Pub 408 Section 680 Link = South Dakota See response to Question 7. Utah Surface preparations are the same for new decks as for existing and are covered in the our standard specification--07105 Waterproofing Membrane Virginia Section 416 of the Road and Bridge Specification covers these issues. The surface is typically cleaned and textured by grit blast. VDOT currently inspects most work. Washington Contractors are encouraged to use other methods to remove HMA. If rotary milling is used, 1/4-in. tooth spacing is required. Questions 15 & 16: http:// tions/fulltext/projectdev/gspspdf/6-08.3(4).OPT1.GB6.PDF 16. Measuring asphalt depth: tions/fulltext/projectdev/gspspdf/5-04.3.OPT2.BSP.FB5.PDF 17. gspspdf/6-08.3(3).OPT1.GB6.PDF Wyoming See Question No. 7 Alberta Questions 15 & 16: Section 16 of the Specifications for Bridge Construction. Question 17: Monitor or inspect surface preparation, temperature of membrane, thickness of membrane, installation of pro- tection board, conformance to standard drawings and specifications. Manitoba Concrete surfaces to be shot blasted or sandblasted to expose sound, laitance free concrete and remove any materials that might adversely affect adhesion of the waterproofing membrane. New Brunswick Refer to Section 302.411.6 in Specifications Book Nova Scotia Division 5 Section 13 Ontario See Specification OPS 914 Quebec Standard specification for blast cleaning and waterproofing. Specification 6752 file_413279_151817376_1_terproofing.doc