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OC Sportsplex Pool HVAC Unit Replacement <br />PDC Project 23022 Refrigerant Piping 23 23 00 - 6 <br />7.Evacuate the system to 200 microns.Wait for 15 minutes.A rise of no more than 200 microns <br />is acceptable.If over 400 microns,check for leaks,repair,and repeat. <br />8.If under 400 microns,continue holding vacuum for 2.5 hours.If vacuum exceeds 400 microns <br />at end of period,check for leaks,repair,and repeat. <br />9.If system holds under 400 microns for 2.5 hours,system is ready for charging. <br />3.04 SCHEDULES <br />A.Hanger Spacing for Copper Tubing. <br />1.1/2 inch,5/8 inch,and 7/8 inch OD: Maximum span,5 feet;minimum rod size,1/4 inch. <br />2.1-1/8 inch OD: Maximum span,6 feet;minimum rod size,1/4 inch. <br />3.1-3/8 inch OD: Maximum span,7 feet;minimum rod size,3/8 inch. <br />4.1-5/8 inch OD: Maximum span,8 feet;minimum rod size,3/8 inch. <br />5.2-1/8 inch OD: Maximum span,8 feet;minimum rod size,3/8 inch. <br />END OF SECTION 23 23 00 <br />Docusign Envelope ID: D4F3B98E-0756-4A0C-A3AD-05AA32D39F1C