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Orange County Health Department Improvements Smith Sinnett /2024008 <br />Hillsborough,NC Orange County Asset Management Services <br />BOXES AND CABINETS 26 05 33.16 - 3 <br />PART 3 EXECUTION <br />3.01 EXAMINATION <br />A Verify that field measurements are as indicated. <br />B Verify that mounting surfaces are ready to receive boxes. <br />C Verify that conditions are satisfactory for installation prior to starting work. <br />3.02 INSTALLATION <br />A Install products in accordance with manufacturer's instructions. <br />B Perform work in a neat and workmanlike manner. <br />C Arrange equipment to provide maximum clearances. <br />D Unless otherwise indicated,provide separate boxes for line voltage and low voltage systems. <br />E Flush-mount boxes in finished areas unless specifically indicated to be surface-mounted. <br />F Box Locations: <br />1.Locate boxes in accessible locations. <br />2.Locate boxes so that wall plates do not span different building finishes. <br />3.Locate boxes so that wall plates do not cross masonry joints. <br />4.Unless otherwise indicated,where multiple outlet boxes are installed at the same location at different <br />mounting heights,install along a common vertical center line. <br />5.Do not install flush-mounted boxes on opposite sides of walls back-to-back.Provide minimum 6 <br />inches horizontal separation unless otherwise indicated. <br />6.Fire Resistance Rated Walls: Install flush-mounted boxes such that the required fire resistance will not <br />be reduced. <br />G Box Supports: <br />1.Secure and support boxes in accordance with NFPA 70 and Section 26 05 29 using suitable supports <br />and methods approved by the authority having jurisdiction. <br />H Install boxes plumb and level. <br />I Flush-Mounted Boxes: <br />1.Install boxes in noncombustible materials such as concrete,tile,gypsum,plaster,etc.so that front edge <br />of box or associated raised cover is not set back from finished surface more than 1/4 inch or does not <br />project beyond finished surface. <br />2.Install boxes in combustible materials such as wood so that front edge of box or associated raised <br />cover is flush with finished surface. <br />3.Repair rough openings around boxes in noncombustible materials such as concrete,tile,gypsum, <br />plaster,etc.so that there are no gaps or open spaces greater than 1/8 inch at the edge of the box. <br />J Install boxes as required to preserve insulation integrity. <br />K Metallic Floor Boxes: Install box level at the proper elevation to be flush with finished floor. <br />L Boxes in damp or wet locations shall be provided with gaskets and covers. <br />M Install permanent barrier between ganged wiring devices when voltage difference between adjacent devices <br />exceeds 300 V. <br />N Close unused box openings. <br />O Install blank wall plates on junction boxes and on outlet boxes with no devices or equipment installed or <br />designated for future use. <br />3.03 CLEANING <br />A Clean interior of boxes to remove dirt,debris,plaster and other foreign material. <br />3.04 PROTECTION <br />A Immediately after installation,protect boxes from entry of moisture and foreign material until ready for <br />installation of conductors. <br />END OF SECTION 26 05 33.16 <br />Docusign Envelope ID: 2D852F9B-A7CF-462A-9536-444A53AA848A