I would not be the best one to respond to this for reasons..My concern is not having one in the grotto area.
The reason for requesting so many Dobies on my jobs is that the Shotcrete crew members will be walking all over and standing on the steel cage during the application process and bending the cage towards the floor and loose the 3” clearance that is required to maintain proper Shotcrete thickness.
To answer your question regarding a return line in the Grotto I need to see a picture of the current locations of the 3 return lines already in place to see if they are capable of moving water efficiently in the Grotto area, Ray.
Unfortunately no, our design is from 2007 and was hand drawn. We liked it so when we started trying to get bids they went off of this.Looks like a fun build! No chance you have a 3D rendering of what you guys are expecting?
Keep the build thread going, can't wait to see progress!