P23-443 BARI PALESE – NEGOTIATED PROCEDURE WITHOUT PRIOR ADVERTISEMENT PURSUANT TO ARTICLE 50, SUBSECTION 1, LETTER C – WORKS TO RESTORE THE OPERATIONAL FUNCTIONING OF THE ROOF SLAB AND REPLACE EXTERNAL WINDOWS AND DOORS OF BUILDING NO. 14 OF THE P.G. OF THE C.S.A.M./3RD R.A. HEADQUARTERS.