RRLG - Maximum Security Risk Resistant Security Grille

Contractor shall furnish and install the maximum security risk resistant security grille show on plans. The units shall be as manufactured by Anemostat Products. The unit shall have a 3/16" perimeter plate flange continuously welded to a 12 gauge steel sleeve. The horizontal louvers are 1" x 1" x 1/8" angles set at 45° degrees and spaced at 1/8". The 1-3/4" x 12 gauge vertical bars are interlocking with the horizontal bars and tack welded in place on 1/2" centers. The steel sleeve has continuously welded seams and is supplied with two pieces of 1" x 1" x 3/16" locking angles shipped loose for field welding.