Profile: 40SEVEN Ltd specializes in underground utility surveys, drainage condition / CCTV surveys, topographical land surveys and detailed measured building surveys. We provide surveying services. We offer project management support for large projects through complementary services such as GIS and live web hosting packages. CCTV and drainage form an integral part of our overall water services offering to clients. In the case of drainage problems within a client's water and sewerage network, we will send out a rapid response team to investigate and resolve problems such as blockages caused by intrusive tree roots or collapsed pipelines.