YOW 225 Technical Notes ACCESSIBLE WINDOW CASEMENT INSWING 1. SIZE LIMITATIONS: (Based on DP-45 Designation. Meets AAMA 513-44 Forces and Motion for Windows in Accessible Spaces ) VENT WIDTH A B VENT HEIGHT MINIMUM SIZE (BUTT HINGE ONLY) 14-1/8 " [358.8mm] 17-1/4 " [438.2mm] MINIMUM SIZE (4-BAR HINGE ONLY) 16 " [406.4mm] C D E F APPROVED SIZES 35 " [889.0mm] 36 " [914.4mm] 37 " [939.8mm] G TESTED SIZE 38 " [965.2mm] * H MAXIMUM SIZE 37 " [939.8mm] 17-1/4 " [438.2mm] VENT AREA 1.7 sq. ft. 1.9 sq. ft. 59-1/4 " [1505.0mm] 14.3 sq. ft. 63-1/8 " [1603.4mm] 15.7 sq. ft. 17.2 sq. ft 67 " [1701.8mm] 37-1/2 " [952.5mm] 71-1/4 " [1809.8mm] 18.6 sq. ft 76 " [1930.4mm] 78 " [1981.2mm] LOCK JAMB 78 " 72 " 59.2 " H G E F D 60 " C 48 " 35.2 " 20.1 sq. ft. 20.0 sq. ft. ALLOWABLE DESIGN PRESSURE 65 psf 65 psf 65 psf 60 psf 55 psf 50 psf 45 psf 45 psf HINGE JAMB Note: NYC limit devices available for vents wider than 20 " . * Approved size for pressure requirments, not AW rated. 36 " 24 " A B 12 " SNUBBER LOCK POINT 12 " 24 " VENT WIDTH Page-34 05-1002-11 | Effective Date: June 2, 2021 36 " 4 PT. LOCK ZONE 3 PT. LOCK ZONE 2 PT. LOCK ZONE 6.3 " VENT HEIGHT ≥ 30 " H ONE SNUBBER ON CENTER 4-BAR OR BUTT HINGES