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| Building for better fire resilience in WUI zones |
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WUI zones are areas of transition between unoccupied land and human development, where structures and other human development meet or intermingle with undeveloped wildland or vegetative fuels. Communities adjacent to and surrounded by wildland are at varying degrees of risk from wildfires.
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| Substitute materials: Weighing pros and cons in exterior restoration |
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When replacement becomes necessary, design professionals are confronted with a critical decision, to match existing materials “in-kind” or to use substitute materials. Using “in-kind” materials is almost always considered preferable … However, the choice of whether to use substitutes can be more complex and nuanced than it might first appear.
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DISCUSSIONS OF THE WEEK |
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| Vapor barrier behind cement board at showers? |
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Do you install a vapor barrier (6-mil visqueen) between the cement board and the framing in shower areas? We specify a liquid waterproofing membrane between the tile and the cement board, as required by code. However, the membrane is not a vapor barrier and some people argue you need the additional layer to protect the cavity space behind the shower.
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| JOIN THE DISCUSSION! |
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| Does anyone pre-qualify bidders or subcontractors anymore? |
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Earlier in my career, and in the Northwest, it used to be pretty common to pre-qualify bidders for some portions of the work, especially if we wanted something that was visible (or a featured item) in the finished project. Wood veneer casework was a common restricted bid list; and sometimes precast concrete was another one. This was for bid projects back in those days. We sometimes now have “experience” requirements written into some spec sections, but sometimes we are precluded from even doing that. Does anyone pre-qualify bidders anymore?
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| JOIN THE DISCUSSION! |
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| MORE FROM THE CONSTRUCTION SPECIFIER |
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| DEMO-CASTS ON DEMAND |
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Tips to Enhance Drawing and Spec Coordination
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| Deltek
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POUR’D Coffee on Tap: A Totally New Approach to Meet Changing Beverage Needs
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| Marco Beverage
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