Image courtesy of Multivista Photographers integrate with the project team at an early stage to identify 'hot spots' in the plan and schedule. They then visit the jobsites on a regular basis to document the put-in-place work. They link the images to the plans on a web-accessible archive for the project team. A company founded by a former electrical subcontractor is successfully franchising a service to integrate digital photos with construction documents to create indexed, interactive construction databases.Multivista, Vancouver, British Columbia, sends photographers to capture project details in high-resolution images using high-end cameras and wide-angle lenses that can frame large
Arch dams, classically curved monoliths situated in narrow valleys, are not as common as other types of dams, such as embankment dams and gravity dams. ENR takes a look at some of the biggest arch dams in the world, both completed and under construction.