RedZone Robotics Introduces New Technology for Manhole Condition Assessment News provided by Share this article Share this article U.S. based robotics firm introduces new technology to reduce the risk of sanitary sewer overflow (SSO) events caused by manholes in poor condition. WARRENDALE, PA, May 11, 2021 /PRNewswire/ -- RedZone Robotics, a pioneering U.S-based, Robotics as a Service (RaaS) firm, announced the launch of Vertue TM, a cutting-edge multi-sensor inspection (MSI) tool for manhole inspections. Manholes play a critical role in the overall utility network, as they provide access points to our buried linear infrastructure. Having access to pipeline infrastructure is crucial to ensure proper operation, maintenance, inspection, evaluation, renovation, and testing.