* Vacuum chamber outer aperture: 113.5 mm

* Good-field region: 28 x 28 x 50 mm centered on beam design orbit (beam pipe center).

* Location : LSSL4

* Existing LHC-BGI Magnet types : MGMWV.A5L4B1, MGMWV.C5L4B1

* Dominique will make a first magnetic model and come back to us when he has something to show us.