Change your cover photoUpload Change your cover photoUpload Jacqueline This user account status is Approved About About Posts Posts Comments Comments In the contemporary world, technology has become an integral part of various sectors, including the drainage and sewerage industry. The use of Closed-Circuit Television (CCTV) for drain surveys has revolutionized the way drainage issues are identified and resolved. This case study focuses on a specific instance where a CCTV drain survey was employed to diagnose and rectify a persistent drainage problem in a commercial building in London, UK. 4 days ago in: Drainage no comments