New product announcements: 09/23/2009 Pipeline Inspection Camera: Easily Transfer Image and Video The Envirosight Agilios Pan/Tilt Push Camera is a self-leveling pipeline-inspection camera that features an integrated 800-pixel x 600-pixel display. The 3-in.-dia camera is able to inspect past multiple 90° bends in pipes 3 ½-in. and larger. The wheeled aluminum frame can hold up to 300 ft of push rod. The Agilios is able to save either image files or digital video to an internal hard disk, removable USB drives or Xpress card. The Agilios also features Bluetooth connectivity for recording audio narration with a wireless headset. Envirosight LLC; 866-936-8476;
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.