Morrison Hershfield was able to assist the contractor in ensuring that appropriate building envelope systems were used to provide a durable, low-risk building envelope.  The periodic field review assisted in ensuring that the curtain wall system was installed in accordance with the design documents and in identifying and resolving potentially troublesome details from unforeseen conditions.  This was particularly true at the transition between dissimilar materials, which had the potential to compromise the continuity of the air and moisture barrier.