1. Terms & Definitions Architectural Drafting Unit 1

2. Architecture The art or science of designing building structures, especially habitable buildings

3. AIA American Institute of Architects

4. NCARB National Council of Architectural Registration Boards

5. OSHA Occupational Safety and Health Administration

6. Working drawings A set of drawings used to show the type and quantity of material to be used on a job, and how that job is to be completed

7. Revision Any change to an approved drawing

8. Change order Document authorizing approved changes to be made to the contract

9. Construction documents Documents composed of all specifications and working drawings

10. Specifications A detailed precise presentation concerning a set of working drawings of a building

11. Addendum A supplement of all things added to a project –NOTE: The plural of addendum is addenda

12. As builts Drawing made after construction to reflect changes made during construction

13. Façade Any face of a building given special architectural treatment Facade of the Strasbourg Cathedral, Strasbourg, France

14. Lintel A horizontal member spanning an opening usually carrying the weight of the load above the opening (post and beam)

15. Corbel A member projecting from within a wall and supporting weight

16. Arch A member usually composed of wedge- shaped blocks spanning an opening, each block supporting a share of the load locked by the keystone in the center

17. Cohesive A construction technique which employs materials which are shaped while soft and allowed to harden –NOTE: Concrete is an application of this technique.

18. Truss A construction technique forming a rigid arrangement of comparatively short members used to span a wide space