It has been personally heard from (a) certain PRCA (Protestant Reformed Churches of America) pastor(s) that the Federal Vision affirms the Covenant of Work, as part of the PRC's polemic against the teaching of the Covenant of Works. My recollection on this matter at that point was that the Federal Visionists deny (not affirm) the Covenant of Works as traditionally formulated, though I did not have much proof then to dispute the allegation.
Recently, I chanced upon an article by a certain Dr. J. V. Fesko, pastor of Geneva OPC, entitled The Federal Vision and the Covenant of Works. Through this article, Dr. Fesko showed that Federal Vision DOES in fact deny the Covenant of Works, and such denial parallels the confusion of Law and Gospel within the Federal Vision movement. The PRCA minister therefore is in error with regards to the relation of Federal Vision with respects to the idea of the Covenant of Works. On a side note, it is interesting to note that the Federal Vision as least in the teachings of James Jordon on the "Adamic Covenant" sounds eerily similar to the PRCA's teaching on the Adamic Covenant.