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3.02 INSTALLATION -LAY-IN GRID SUSPENSION SYSTEM, continued <br /> H. Install edge molding at intersection of ceiling and vertical surfaces, using longest <br /> practical lengths. Miter corners. Provide edge moldings at junctions with other <br /> interruptions. <br /> I. Install light fixture boxes constructed of gypsum board above light fixtures in <br /> accordance with UL assembly requirements. <br /> 3.03 INSTALLATION - ACOUSTICAL iJNITS <br /> A. Install acoustical units in accordance with manufacturer's instructions. <br /> B. Fit acoustical units in place, free from damaged edges or other defects detrimental <br /> to appearance and function. <br /> - C. Lay directional patterned units one way with pattern parallel to longest room axis. <br /> Fit border trim neatly against abutting surfaces. <br /> �� D. Install units after above ceiling work is complete. � <br /> � E. Install acoustical units level, in uniform plane, and free from twist, warp and dents:' <br /> F. Cut tile to fit irregular grid and perimeter edge trim. <br /> �,,.� <br /> END OF SECTION <br /> �� <br /> �.� <br />�� <br /> �r� <br /> r'. <br /> � <br /> �% <br /> , <br /> ,��� Division 9—Section 09511 <br /> Page 3 of 3 <br /> �...� <br />