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ORANGE COUNTY 230511 - 1 <br /> <br />Emergency Management Warehouse Building Dehumidification Electrical Provisions for HVAC Work <br /> <br /> <br />SECTION 230511 - ELECTRICAL PROVISIONS FOR HVAC WORK 1 <br /> 2 <br />PART 1 - GENERAL 3 <br /> 4 <br /> 5 <br />RELATED DOCUMENTS 6 <br /> 7 <br />Drawings and general provisions of Contract, including General and Supplementary Conditions and Division-1 8 <br />Specification sections, apply to work of this section. 9 <br /> 10 <br />The requirements specified herein shall govern all Sections in Division 23, whether stated therein or not. 11 <br /> 12 <br />Where items specified in the other sections of this Division conflict with requirements of this Section, the former shall 13 <br />govern. 14 <br /> 15 <br /> 16 <br />DESCRIPTION OF WORK 17 <br /> 18 <br />Work includes, but is not necessarily limited to the following: 19 <br /> 20 <br />Provide electrical heating coils and similar elements in mechanical equipment. 21 <br /> 22 <br />Provide motor starters for furnished equipment where starters are required for the intended application when 23 <br />not provided under Division 26. Starters shall be sized in accordance with the latest edition of the 24 <br />National Equipment Manufacturers Association (NEMA) standard ratings for magnetic starters, and the 25 <br />National Electrical Code (NEC). 26 <br /> 27 <br />NEMA Starter Sizes for Motors <br /> <br />NEMA <br />Starter Size <br />Maximum HP for System Voltage (V)/ Phase (PH) <br />120V/1PH 240V/1PH 208V/3PH 240V/3PH 480V/3PH <br />00 1/3 1 1-1/2 1-1/2 2 <br />0 1 2 3 3 5 <br />1 2 3 7-1/2 7-1/2 10 <br />2 3 7-1/2 10 15 25 <br />3 7-1/2 15 25 30 50 <br />4 - - 40 50 100 <br /> 28 <br />Provide disconnect switches for all furnished equipment. Disconnect switches shall be sized in accordance 29 <br />with the latest edition of the NEC for single motor applications as follows: 30 <br /> 31 <br />Disconnect Switch Sizes for Motors <br /> <br />Switch Rating <br />Amps (A) <br />Maximum HP at System Voltage (V))/ Phase (PH) <br />120V/1PH 208V/1PH 240V/1PH 208V/3PH 240V/3PH 480V/3PH <br />30A 1-1/2 3 3 5 7-1/2 15 <br />60A 3 7-1/2 10 15 15 30 <br />100A 5 10 10 25 25 60 <br />200A - - - 50 60 100 <br />400A - - - 100 125 250 <br />600A - - - 150 200 400 <br /> 32 <br /> 33 <br />34 <br />DocuSign Envelope ID: 7668B866-6C26-485C-9A45-DAAB5D4BD951