Another drain press? Can you point me to a website where I can see what...
Can you point me to a website where I can see what a normal drain (sewage drain) looks approaching (I mean in the city)?
Are within rules and regulations about what a drain is supposed to
look like and what functions it should achieve?
you have two drains a foul for sewage and a storm drain for rain marine.
The pipe for both drains are 100mm leaving you property and go to a manhole next they may alter to 150mm or bigger depending on the amount of propertys using the system, they are now usually made of plastic they used to be clay, There are strict rules related to drain laying TRY HEPWORTH DRAINAGE AND THEY WILL PROBABLY HELP ..IF NOT TRY YOUR LOCAL BUILDING SUPPLIER AND HAVE A LOOK ON THE RACKS IN THE YARD AND ASK QUESTIONS AND I,M SURE YOU WILL GET SOME ANSWERS.. ITS EASY TO UNDERSTAND ONCE YOU GET INTO IT ..ALSO TRY YOUR LOCAL COUNCIL OFFICES THEY HAVE PEOPLE WHO HAVE TO INSPECT NEW DRAINAGE SYSTEMS MUCH THE SAME AS THE OLD ONES BUT EASIER TO BUILD AND YES GOOD OLD PLASTIC ..HOPE THIS HELPS
That stuff is usually in your city registar (I'm surrounded by the united states in the city of alpharetta, Georgia, but our systems are necessarily the same). You'll need to give a honourable reason to see the blueprints for your building for the sewers (safety/terrorism issues I suppose).
Also, your building's superintendent might have a copy or access to the building's sewage drain blueprints. And yes, it is most definately regulated by rules and regulations but I don't live where on earth you do so I don't know what they are.
Answers: You might find this helpful -
http://www.informationcds.co.uk/product_...
And on the page is a sample emblem of a typical drain assembly, called a 'P'-trap.
Have Fun