The Cascade, Armenia

The Cascade is a giant stairway made of limestone in Yerevan, Armenia. It links the downtown Ketron area of Yerevan with the Monument neighborhood. Designed by architects Jim Torosyan, Aslan Mkhitaryan, and Sargis Gurzadyan the construction of the cascade started in 1971 and was partially completed in 1980. Inside the Cascade, underneath the exterior steps, are seven escalators that rise along the length…

Computer Guidelines and Standards – AIA CAD LAYER GUIDELINES

Most vector based CAD systems use and support the concept of layers. Layers allow for building design information to be systematically organized so as to faciliate maxium coordination and flexibility, espacially as drawing files are shared among multiple users. Through controlling the visibility of selected layers, data con be created, reviewed, and edited in multiple…