When you look at solar systems, the panel orientation is normally portrait. We normally follow suit on this but on this system we decided to swap our panels to a ladscape orientation to allow for our panels to 'hug' the roof. The mounting system we used on this system was our prefered method of Renusol standing seam camps mounting systems at a slope of 30°, Standing seam works by mounting a miniture rail straight onto the standing seam and that then allows for the mid/end clamp to be placed in for the solar panel to be mounted. These clamps are aligned when the cross beam of the roof is tightened. The clamps is then pressed onto the seam as far as possible, the tightening torque then has to be places in such a manner that the standing seams are not affected and the thermal expansions of the metal are nor impeeded. Below are reference images to show how standing seam mounting works.

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Referencing the image above, the clamp mount clips underneath the ridge of the standing seam riif and is the secured in with a bolt through the frame and then a rail mount is clipped on meaning the rail can then be mounted on.