YOW 350 TU 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 " Note: NYC limit devices available for vents wider than 20 " . * Approved size for pressure requirments, not AW rated. 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 36 " 24 " A B 12 " SNUBBER LOCK POINT 12 " 24 " VENT WIDTH Page-36 05-1016-07 | 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