I have  3″x24″x84″ glulam for my workbench top (it was free).  My goal for this bench is to use it to clamp down cabinet doors and interior doors during fabrication.  After reading the workbench reviewer comments in FWW about the surfaces and the tolerances they were commenting about I decided to cut the glulam into pieces to plane/joint so I could improve the flatness (not cut yet).  I completing the glue-ups for the front and side rails and it turned out I had to do some re-milling.  I admit the re-milling was largely due to a speedy preparation of the stock, but i now think cutting the glulam would be a huge mistake and think i should plan to hand plane the surface.  I live in a small community and do not have access to a 24″ drum sander or any other large tools that could be used to improve the finish.  Suggestions/advice??

Thanks