closed joint
Between adjacent slabs of stone, a joint that is invisible or barely visible.
Glossary
closed impeller
In a pump, an impeller having two shrouds (i.e., two disks enclosing the impeller vanes). Such a pump usually requires
Glossary
closed eaves
Eaves in which projecting roof members are not visible, being closed from view by boarding.
Glossary
closed construction
Said of a building component, building system, or building which is manufactured in such a way that various portions cannot
Glossary
closed competitive selection
A competitive process in which the owner (or his representative) limits the lists of bidders on a building contract to
Glossary
closed-circuit telephone
A telephone on a circuit that provides telephonic communication within a limited area, such as a single building; it accepts
Glossary
closed-circuit TV surveillance system
A system comprised of a TV camera and a monitor connected by a coaxial cable; designed to provide visual surveillance;
Glossary
closed-circuit grouting
Injecting grout into a hole (which intersects fissures or voids to be filled) with sufficient volume and pressure so that