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<br /> <br />THE CITY OF SUNNY ISLES BEACH <br />PROJECT NO. 21-1011 <br />BUILDING DEPARTMENT RELOCATION TO ANNEX <br /> <br />Project No. 21-1011 November 2024 095100-5 <br /> <br />3. Accurately level all main tee members. <br /> <br />4. Space cross tee members at 24 in. o.c. perpendicular to main tee members, forming <br />a 24 x 48 module or 24 x 24 module as required. <br />5. Provide separate hanger wire supports for all recessed fluorescent lighting fixtures. <br /> <br />6. Install edge moldings of type indicated at perimeter of acoustical ceiling area and <br />at locations where necessary to conceal edges of acoustical units. <br /> <br />a. Attach wall moldings to perimeter wall surfaces with attachment at <br />approximately 24 in. o.c. Miter all inside and outside corners. Butt joints <br />will not be permitted. <br /> <br />b. Apply continuous ribbon of acoustical sealant, concealed on back of vertical <br />leg before installing moldings. <br /> <br />c. Screw-attach moldings to substrate at intervals not over 16 in. o.c. and <br />not more than 3 in. from ends, leveling with ceiling suspension system to <br />tolerance of 1/8 in. in 12 ft. <br /> <br />7. Install acoustical lay-in boards within the exposed tee suspension system. <br /> <br />a. Install lay-in boards in moldings with hold-down clips. <br /> <br />3.3 CARE AND CLEANING <br /> <br />A. Upon completion, clean exposed surfaces of acoustical ceilings, including trim, edge <br />moldings and suspension members, in a manner and with materials recommended by <br />the manufacturer of the tile. Take care in handling, placing, and cleaning, as it is not <br />intended to field paint the tile. <br /> <br />B. Remove and replace work which cannot be successfully cleaned and repaired to <br />permanently eliminate evidence of damage. <br /> <br /> <br />END OF SECTION