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DocuSign Envelope ID: 9826C043- 4C32- 49CD- A4CC- DC28ABAB7CE7 <br />SECTION 236000 - COMMON WORK RESULTS FOR HVAC <br />G. Place grout on concrete bases and provide smooth bearing surface for equipment. <br />H. Place grout around anchors. <br />Cure placed grout. <br />3.27 ROOF EQUIPMENT AND PIPE SUPPORTS <br />A. Equipment and Pipe Supports: Provide metal equipment /pipe supports, internally reinforced and capable of <br />supporting superimposed live and dead loads, including equipment loads and other construction to be <br />supported. Fabricate with welded or sealed mechanical corner joints, with stepped integral metal cant raised <br />the thickness of roof insulation and integral formed mounting flange at perimeter bottom. Coordinate <br />dimensions with rough -in information or Shop Drawings of equipment to be supported. <br />1. Available Manufacturers: As shown on Drawings. <br />2. Load Requirements: As required for equipment/piping being supported. <br />3. On ribbed or fluted metal roofs, form flange at perimeter bottom to conform to roof profile. <br />4. Fabricate units to minimum height of 12 inches above finished roof, unless otherwise indicated. <br />5. Sloping Roofs: Where slope of roof deck exceeds 1:48, fabricate curb units with water diverter or <br />cricket and with height tapered to match slope to level tops of units. <br />3.28 EQUIPMENT INSTALLATION - COMMON REQUIREMENTS <br />A. Install equipment to allow maximum possible headroom unless specific mounting heights are not indicated. <br />B. Install equipment level and plumb, parallel and perpendicular to other building systems and components in <br />exposed interior spaces, unless otherwise indicated. <br />C. Install HVAC equipment to facilitate service, maintenance, and repair or replacement of components. <br />Connect equipment for ease of disconnecting, with minimum interference to other installations. Extend grease <br />fittings to accessible locations. <br />D. Install equipment to allow right of way for piping installed at required slope. <br />3.29 CONCRETE BASES <br />A. Anchor equipment to concrete base according to equipment manufacturer's written instructions and according <br />to seismic codes at Project. <br />1. Construct concrete bases of dimensions indicated, but not less than 4 inches larger in both directions <br />than supported unit. <br />2. Install dowel rods to connect concrete base to concrete floor. Unless otherwise indicated, install dowel <br />rods on 18 -inch centers around the full perimeter of the base. <br />3. Install epoxy- coated anchor bolts for supported equipment that extend through concrete base, and <br />anchor into structural concrete floor. <br />4. Place and secure anchorage devices. Use supported equipment manufacturer's setting drawings, <br />templates, diagrams, instructions, and directions furnished with items to be embedded. <br />5. Install anchor bolts to elevations required for proper attachment to supported equipment. <br />6. Install anchor bolts according to anchor -bolt manufacturer's written instructions. <br />7. Use 3000 -psi, 28 -day compressive- strength concrete and reinforcement as specified in Division 03. <br />Cc �c i i) _ C 1 �GI i �9'6� r � 1 � l �) ;9 � �1 � 17 I i • [ e Z K � P► 6� r 3 � I � � [ � <br />A. Comply with "SMACNA IAQ Guideline for Occupied Buildings under Construction." <br />B. If Owner authorizes use of permanent heating, cooling, and ventilating systems during construction period, <br />install filter media having a MERV 8 according to ASHRAE 52.2 at each return -air inlet / grille and in air <br />handling units for the air - handling system used during construction. <br />Reece, Noland & McElrath, Inc. 236000-14 Orange County Board of Elections <br />Orange Co., NC 05/04/18 <br />