So what should you expect from a home buyers cctv drainage survey ? Our engineers use the latest in specially designed cameras to survey drains, via the manholes on the premises. Thanks for printing! don't forget to come back to delta plumbing for fresh articles! Our aim is to save you money quickly and easily we hope you like it! Is it recommended to ask for references from a plumber? Do you have urgent problems with your hot water, leaking pipes, blocked drains, burst pipes, gas leaking or roof leaking? we can help you with this and much more search for your local -hour plumber below.