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DocuSign Envelope ID: B94F2D40-3B3C-47A7-86C2-6F1 B4F92C62C <br /> Orange County Emergency Services Building Construction Documents <br /> 2.04 CEILING EGG CRATE EXHAUST AND RETURN GRILLES <br /> A. Type: Egg crate style face consisting of 1/2 by 1/2 by 1 inch grid core. <br /> B. Fabrication: Grid core consists of aluminum with mill aluminum finish. <br /> C. Color: As indicated. <br /> D. Frame: 1-1/4 inch margin with countersunk screw mounting. <br /> E. Frame: Channel lay-in frame for suspended grid ceilings. <br /> F. Accessories: Provide plaster frame. <br /> 2.05 WALL SUPPLY REGISTERS/GRILLES <br /> A. Type: Streamlined and individually adjustable blades, 3/4 inch minimum depth, 3/4 inch maximum <br /> spacing with spring or other device to set blades, vertical face, double deflection. <br /> B. Frame: 1-1/4 inch margin with countersunk screw mounting and gasket. <br /> C. Fabrication: Steel with 20 gage, 0.0359 inch minimum frames and 22 gage, 0.0299 inch minimum <br /> blades, steel and aluminum with 20 gage, 0.0359 inch minimum frame, or aluminum extrusions, <br /> with factory baked enamel finish. <br /> D. Color: As indicated. <br /> E. Damper: Integral, gang-operated opposed blade type with removable key operator, operable from <br /> face. <br /> 2.06 WALL EXHAUST AND RETURN REGISTERS/GRILLES <br /> A. Type: Streamlined blades, 3/4 inch minimum depth, 3/4 inch maximum spacing, with spring or <br /> other device to set blades, vertical face. <br /> B. Frame: 1-1/4 inch margin with countersunk screw mounting. <br /> C. Fabrication: Steel frames and blades, with factory baked enamel finish. <br /> D. Color: As indicated on the drawings. <br /> E. Damper: Integral, gang-operated, opposed blade type with removable key operator, operable from <br /> face. <br /> PART 3 EXECUTION <br /> 3.01 INSTALLATION <br /> A. Install in accordance with manufacturer's instructions. <br /> B. Comply with SMACNA(ASMM)for flashing/counter-flashing of roof penetrations and supports for <br /> roof curbs and roof mounted equipment. <br /> C. Check location of outlets and inlets and make necessary adjustments in position to conform with <br /> architectural features, symmetry, and lighting arrangement. <br /> D. Install diffusers to ductwork with air tight connection. <br /> E. Provide balancing dampers on duct take-off to diffusers, and grilles and registers, despite whether <br /> dampers are specified as part of the diffuser, or grille and register assembly. <br /> F. Paint ductwork visible behind air outlets and inlets matte black. Refer to Section 09 91 23. <br /> END OF SECTION 23 37 00 <br /> PDC Project 18102 AIR OUTLETS AND INLETS 23 37 00 -2 <br /> 12/17/2018 <br />