I need to install a 6" sewer lateral that will run under a storm drain. I will need to tunnel under the storm drain for approximately 15 feet long and 10' deep. I am looking for some sample calculations or suggestions to install a temporary timber box liner. Any help is greatly appreciated...
Yes I want to welding two 1" thick plates together to achieve a thickness of 2". Use of a beam is a good idea, but the plate will be covering a 10x10 excavation for a manhole structure that top out to just under the plate.
Agreed. They have no idea, but require this documentation or they will only approve a max 5' wide trench covered with 1" plates. They have a standard steel plate loading requirement for the AASHTO HS20-44 Vehicle.
1. The Steel Plates need to cover a 10' x 10' excavation (Need a minimum of...
Thanks for responding and yes I agree. This is typically done onsite with the crew and a welder. In this case the CM team want a stamped design showing layout and calculations. I found some information on this but wanted to see if anyone had previous experience. Thanks
