Thanks for the reply. I'll see about a sketch soon. The construction is a single wythe of 8" CMU backup with 4'' brick veneer. There are actually two lintels: one for the CMU and one on the veneer. I think the solution I have found is to use evenly spaced cantilevered supports with cross bracing...
A contractor is asking me for a shoring drawing for installation of a steel lintel. The masonry opening is 8' with 8'' bearing on each side. The installation is happening only from the inside (it's in an apartment building). Is there a handbook for bracing and shoring techniques? How can I brace...