Place 1 assembly in the custom built steel container and bolt down to the four threaded studs. The empty container measures 34.25″ x 44″. It is 45″ high at the back and 26.5″ high in the front. The container top measures 34.25″ x 47.5″ and slopes from back to front at a 67 degree angle. The storage door opening in the front part of the container measures 9.25″ x 27.75″ x 9.25″ deep.