HD3-MS - Minimum Security Steel Louver Grille

Contractor shall furnish and install security grilles, type HD3-MS, as herein specified, or where shown on plan. The units shall be as manufactured by Anemostat Products. Security grille type HD3-MS shall be all steel welded construction. Louver bars are constructed with 13 GA C.R.S., spaced 3/4" on center, and welded to the frame. The louver bars will have zero degree deflection. The frame shall be 16 GA C.R.S. with welded mitered corners. The support bars are welded to the frame, with a maximum (center to center) of 6 inches. The interior screen consists of 10 GA x 1/2" woven steel mesh on 5/8" centers. The heavy gauge screen is welded to the frame. The sleeve is constructed of 14 GA C.R.S. and welded to the grille frame. The 3/16" steel locking angles provided are to be field welded by the contractor. The HD3-MS and HD3-MS units shall be finished with factory white powder coat.