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  • Geotechnical Engineer's Portable Handbook, Second Edition > GROUNDWATER AND PERCOLATION TESTS
    …provides the design and construction specifications that are used to prevent both water vapor and capillary rise .... "Over the subgrade, place 4 inches ( 10 cm) to 8 inches (20 cm) of washed and graded … 2 inches (2.5 to 5 cm) of sand over the gravel to prevent moisture barrier puncture. .... addition to a gravel layer, the installation of a moisture barrier (such as visqueen ) will further reduce .... A 6- mil visqueen moisture barrier is required below the open graded gravel.
  • Foundation Engineering Handbook: Design and Construction with the 2009 International Building Code, Second Edition > FOUNDATION DETERIORATION AND CRACKING
    …provides the design and construction specifications that are used to prevent both water vapor and capillary rise .... An example of moisture barrier recommendations below the slab-on-grade foundation is as follows (WFCA, 1984):. .... Over the subgrade, place 4 to 8 in. ( 10 to 20 cm) of washed and graded gravel. .... addition to a gravel layer, the installation of a moisture barrier (such as visqueen ) will further reduce .... A 6- mil . visqueen moisture barrier is required below the open-graded gravel.
  • CR4 - Thread: Water Appearing Through PT Slab on Grade
    Single plane roof sloped at approx 10 degrees. .... As an aside with the vapor barrier mentioned. .... When this 'stuff' (6 mil . polyetheylene, " Visqueen ") started to be used back in the '50's on LI, it took a certain learning curve for the concrete guys to get used to.
  • Separation of gaseous mixtures by permeation through polyethylene film
    The permeation of a nonporous polymeric barrier by a penetrant vapor is generally considered to involve three consecutive steps: solution or absorption of the penetrant at one surface of the membrane, activated diffusion of the dissolved penetrant through the membrane from a … by such investigators as Rogers, Stannett, and Szwarc (8); Li and Henley (9), and others ( 10 , 11). .... The membranes used for the entire experimental program were Visking Visqueen polyethylene of 4 mil thickness.
  • Building Design and Construction Handbook, Sixth Edition > GEOSYNTHETICS
    …have been developed that limit the open area of the filtration geotextile to 10 % or even .... Common construction terminology for geomembranes includes liners, membranes, visqueen , plastic sheets, and impermeable sheets. .... Geomembranes are used almost exclusively as barriers to reduce water or vapor migration through soil (see Fig. 6.51). .... For liners in municipal landfills, the thickness of the geomembrane is usually at least 80 mil .
  • Geotechnical Engineer's Portable Handbook, Second Edition > GEOSYNTHETICS
    …have been developed that limit the open area of the filtration geotextile to 10 % or even .... Common construction terminology for geomembranes includes liners, membranes, visqueen , plastic sheets, and impermeable sheets. .... Geomembranes are used as barriers to reduce water or vapor migration through soil (see Fig. 22.4). .... 20.3 shows design specifications for a moisture barrier, which includes a 6- mil visqueen vapor barrier…
  • Foundation Engineering Handbook: Design and Construction with the 2009 International Building Code, Second Edition > GEOSYNTHETICS AND INSTRUMENTATION
    For filtration, the geotextile should be at least 10 times more permeable than the soil. .... Common construction terminology for geomembranes includes liners, membranes, visqueen , plastic sheets, and impermeable sheets. .... Geomembranes are most often used as barriers to reduce water or vapor migration through soil (see Fig. 17.4). .... shows design specifications for a below foundation moisture barrier that includes a 6- mil visqueen vapor barrier…
  • States > Illinois > State > Proposed Regulations > 2005 Documents > November 14, 2005 > [2005 IL Proposed il-20051114-0035-0003381] 77 Ill. Adm. Code 870 - Man...
    The course sponsor shall have 10 days to submit a written request for an administrative hearing to .... c) A minimum 6- mil visqueen vapor barrier , secured and extending to the dimensions of the home, must be placed on the ground underneath the manufactured home before the perimeter enclosure is installed, unless the home is placed on a poured concrete…
  • States > Illinois > State > Register > 2005 > [27 IL Register 715] 07/15/2005
    The course sponsor shall have 10 days to submit a written request for an administrative hearing to .... A minimum 6- mil visqueen vapor barrier , secured and extending to the dimensions of the home, must be placed on the ground underneath the manufactured home before the perimeter enclosure is installed, unless the home is placed on a poured concrete slab…
  • Technology, safety, and costs of decommissioning reference nuclear research and test reactors. Appendices
    ( mil ). .... Cutting speeds of around 10 m/min are anticipated for 10-mm-thick steel plate,. .... and fragment damage can be reduced appreciably by placing blast curtains or other barriers in the vicinity .... Cover drum assembly and cables with visqueen (except in contaminated areas). .... Condensed Metals, Vapors .