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Showing posts from November 27, 2011

Name this connection!

Identify the type of connection illustrated above: A. pinned B. rigid C. roller D. fixed

Sprinkler Systems

Which type of fire sprinkler system is used where damage from water to the contents or finishes of a building is a significant concern: A. wet-pipe B. dry-pipe C. pre-action D. deluge

Pilings

What type of piling may be used as a ditch blocking or channel erosion control? A. Wood piles, B. Steel sheet piling, C. Plastic piling, D. Water inflated cofferdam, E. All of the above, F. None of the above

Concrete form ties

Unless stainless steel ties are specified, ACI (American Concrete Institute) recommends patching, partially filling or plugging the finished depression / holes left by form ties in the concrete surface. Why?