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| Term | Definition |
|---|---|
| double top plate | The use of two layers of nominal wood boards along the top of a stud wall to join the studs for a wall and support ceiling joists in wood-stud construction |
| face | The portion of the frame that is visible on either side of the opening and acts as the trim. This can remain plain or be decorative |
| hatch | CAD tool that creates material designation patterns in an assigned space |
| paper space | The layout in CAD where details can be scaled and organized in preparation for plotting |
| architectural scale | A three-sided measuring instrument that provides consistent units of measurement for multiple fractional scales |
| callout | Circle that surrounds the information for elevations, sections, and details that directs the user as to how to locate related detail drawings |
| parallel ruler | Horizontal attachment on the drafting board that is capable of sliding up and down to aid in accuracy in 90 degree angles and parallel lines. May be referred to as a paraline or replaced by a T-square or drafting machine |
| type x | A treated type of gypsum board that has been added fire-resistant properties, |
| acoustical partition | Interior partition that features layer of sound batt to diminish noise transfer from one room to another |
| throat | The framing members on either side of the throat, which aids in connecting the frame to the wall |
| bearing wall | A wall that supports the weight of the roof and upper levels. Removal of these walls requires alternative support measures. Exterior walls and certain interior walls are load-bearing |
| casing | The exposed trim around a window or door, typically made of wood, metal, aluminum, or plastic |
| chase wall | conceals plumbing |
| cripple stud | A stud that has been shortened for use in supporting openings. These studs appear between the top plate and header, and between the bottom plate and a sill |
| double rabbet | A door frame featuring two rabbets separated by a stop, where either side could contain the door |
| frame | The assembly around a rough opening for a door or window that includes the jamb and header |
| greenboard | A treated type of gypsum board that has added water-resistant properties |
| gypsum wallboard | A stacked element comprised of a gypsum core between layers of paper facing used as a surface material for walls and ceilings. |
| head | A horizontal framework member that extends between studs to support the structure above in order to form an opening. The top-most element of a door or window |
| header beam | A horizontal framework member that is installed directly below the top plate and extends between studs to support the structure above in order to form an opening. |
| header plate | A horizontal framework member that extends between king studs in a rough opening to support the structure above. May be used in conjunction with a header for a load-bearing wall |
| header | A horizontal framework member that is installed on top a header plate and extends between studs to support the structure above in order to form an opening |
| jack stud | A stud that has been shortened for use along the sides of openings. These studs are anchored to the king stud and help transfer weight from the header to the sole plate |
| jamb | The vertical members of a frame for a window or door |
| kind stud | A full-height stud that anchors from the bottom plate to the top plate and is attached to the header for support |
| knockout | A hole cut in steel stud, usually in an oval or square shape, that allows for wires to be run between studs |
| nested double joint | A horizontal framework member that extends between king studs in a rough opening to support the structure above, This component is made of three steel channels |
| nested header plate | An opening header created by stacking three steel channels in which the lower two channels face each other, with their flanges overlapping, creating a hollow, rectangular shape |
| nonbearing wall | A wall that acts as a space divider and does not bear the weight of the roof or upper levels. Also referred to as a partition |
| partition | A wall that acts as a space divider and does not bear the weight of the roof or upper levels. Also referred to as a nonbearing wall |
| Rabbet | A groove or cut that creates a joint or space where another piece can fit into it |
| Rated Partition | A wall constructed with fire-rated materials spanning from slab-to-slab |
| rough opening | An opening created in the wall to allow for doors or windows to be placed. This opening measures 2" wider and taller than the door or window to be place in to the wall |
| shim space | The 1/4" -1/2" gap created between a structural component and a finishing element for the placement of shims to aid in the leveling process |
| shim | A wood or metal strip used to aid in leveling plates and frames between structural components and finishing elements |
| sill | A horizontal member at the bottom of an elevated opening, such as a window |
| single rabbet | A door frame featuring one rabbet that contains a door |
| soffit | The perpendicular edge to the stop on a door frame. This element can extend from the face to the stop (single rabbet) or can be sandwiched between rabbets (double rabbet). |
| sole plate | A horizontal member along the bottom of a stud wall. This element joins the studs for the wall and acts as a support for floor joists. Also called the sill plate |
| steel channel | c shaped metal runner |
| stop | An element of the door frame that extends into the path of the doorway to provide a closing point between the elements |
| stud | A vertical framing member that has been mill cut to a specific size. See appendix G for common sizes |
| throat | The open portion of a frame, which fits onto a wall. The size of the throat is dependent on the thickness of the wall |
| top plate | A horizontal member along the top of a stud wall. This element joins the studs for the wall and acts as a support for ceiling joists |
| Americans with disabilities act accessibility guidelines | The minimum standards set fourth by the Department of Justice to ensure that public buildings are designed with spaces that are inclusive to individuals with disabilities, through barrier-free design, equal |
| Americans with disabilities act | The 1990 law that bans discrimination against individuals with disabilities. Title III of the law requires public buildings to accessible to all, resulting in design standards that ensure the inclusion of all within the built environment |
| International building code | Created, maintained, and released by the ICC every three years, these model codes are dictate the minimum standards required for egress, circulation, and fire safety |
| International code council | The organization that writes the codes and standards for construction so that buildings are erected in a manner that protects and promotes the safety and health of the end users |
| International residential code | Model codes issued by the international code council that dictate the minimum standards required for egress, circulation, and fire safety when applied to one-and-two family homes |
| Annotation | A notation calling out important information in a drawing. |
| center line | Dashed lines that mark the center of symmetrical objects |
| detail drawing | A plan, elevation, or section shown at a large scale in order to clarify the dimensions, annotations, and finishes for clear communication from the designer to the contractor |
| detail callout | A dashed bubble used to refer the reader to an enlarged drawing or more in depth specifics for an element. The numbers and/or letters in the circle refer to the drawing number (top) |
| Dimension | A measurement indicating the length, width, or thickness of an element. In a construction drawing, this is typically shown with a stringer or leader line, but it may also take the form of an annotation |
| Elevation symbol | An icon used to prefer the reader to the elevation view form that location on the plan. The numbers and/or letters in the circle refer to the drawing number (top) and the page number (bottom) |
| elevation | A flat view of the face or side of an object. When drawn to scale, this drawing demonstrates height and foreground vs. background |
| Guideline | Lightly drawn continuous lines used as an aid when hand drafting. Guides should never be linked and should be erased whenever possible |
| hidden line | A dashed line that depicts elements in a detail drawing that appear either below or behind a surface or overhead objects |
| leader line | Arrow that extends from an annotation to the object it describes |
| linetype | The characteristic pattern given to a line that has been drawn. The various styles indicate whether the line represents constructed components, hidden elements, or other objects within the drawing |
| lineweight | The heaviness of the line that has been drawn. This can be used in conjunction with linetype to differentiate between objects, drawing elements, and drawing types |
| material designation | A visual depiction of a material that is used to clarify between element layers or to create patterns |
| object line | A solid, continuous line that can be used to depict walls, doors, windows, furniture, or lighting with a detail drawing |
| phantom line | Dashed lines used to aid in the explanation of how to view the space or how elements operate |
| plan | A drawing of the building, room, or object as seen from above |
| scale | The ratio between the size of the physical space being designed and the size the space appears as in the drawing |
| section cut symbol | An icon used to refer the reader to the section drawing based on the object or space that the view "cuts" through |
| section | A view of the interior of an object, showing material thicknesses, as seen by cutting through the item, typically vertically |
| stringer | The device used to notate the dimension on a construction drawing. The stringer is made up of the dimension text, dimension line, the extension line, and an architectural tick |
| construction document set | A collection of interrelated drawings that will act as the instructions for the general contractor to build the project as specified |
| drawing designation | An alphanumeric code assigned to each drawing detail within the construction document set, which then organizes them into categories by contractor or field of expertise, drawing type, and page and drawing number |
| elevation marker | An icon used to refer the reader to the elevation view from that location on the plan |
| reference symbol | A marker representing the existence of an elevation, section, or detail callout on a drawing |
| title block | A strip of information on the drawing sheet that holds project information. This information includes but is not limited to the designer and client's name, building location, the page contents, drawing scale, and the page number. |
| barrier free | An object or environment designed so that is accessible for all end users |
| drawer stack | A storage unit in which multiple drawers are stacked one above the other |
| hutch | An elevated storage component made of some combination of shelves, doors, and drawers |
| particleboard | An engineered wood panel created by heating and pressing resins and fibers to create a strong, smooth surface suitable for accepting veneer. There are different densities and strengths of particleboard available |
| pattern | A decorative design or alignment of elements |
| plywood | An engineered wood panel created by pressurizing thin layers of wood with bonding agents. Strength is gained by alternating the grain of each layer and through the number of layers |
| reception counter | An elevated counter of varying height that appears along the edge of a desk that acts as a joint work surface between an end user and a guest. Also referred to as a reception hutch |
| repeat | Identical duplications of a pattern across a surface |
| return | A portion of a desk or work surface that runs perpendicular to the main desk to create added work space, connect the front of a desk to a credenza, and add support |
| veneer | A thin layer of wood used as a finished layer for a wooden framework |