A return air diffuser assembly integrates into a wall featuring a stone base and wainscot with required blocking. The system incorporates a three-quarter-inch tempered glass panel extending above a T80 diffuser frame, with a decorative grill tied to elevation detail A1 on sheet A-626. A sheet metal return air boot connects to the mechanical system as indicated on sheet A-553. The vertical dimension of the opening measures one foot five and one-quarter inches above the Level 1 datum at one hundred feet zero inches.
3/4" TEMPERED GLASS PANEL. TYPICAL OF 3 SECTIONS LEVEL 1 100'-0" STONE BASE AND WAINSCOT BLOCKING AS REQUIRED DIFFUSER FRAME T80 DECORATIVE GRILL SEE DETAIL A1/A-626 FOR ELEVATION SHEET METAL RETURN AIR BOOT. SEE MECHANICAL A-553 C3 1'-5 1/4"
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