This subject aims to develop an understanding of the principles of building preservation/conservation and the methods of recording it in three documentation methods; measured drawings, written documentation and photographic documentation. The ideas of application and management of architectural historic documentation will be presented as part of the overall knowledge of building preservation/conservation. For measured drawings, students are to document historically and architecturally significant buildings in the form of as-built drawings. The task requires combination of semester 2 and semester 3 student and form a group of 10 to 20 students that involve fieldworks consisting of measuring techniques such as photographing, sketching, using of theodolite and measuring tapes. The outcomes of the subject are collection of plans, section, elevations, details and axonometric views / models; complemented with a report that explains about the background, history, concept, style construction technics and ornamentation of the building.