hello i am thinking about building a timberframe extension on top a solid patio with 5ft solid side wall and exsisting drainage chanel on other side from driveway for project rainwater.can itap into gravity clay pipe with two easysleeveeves and a tripple socket junction and a boss joint on top of triple for waste water utilities 4ft from shallow manhole going downwards and only my waste entering the manhole 1st on run.would it be ok to do this way.
regards dermot angel woodfloors
regards dermot angel woodfloors