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9) On drawing FS-12, identify the calculated vacuum zone volumes to confirm that each proposed <br /> zone (for 3" and 4" piping) will be less than 500 gallons. Please provide a list of all vacuum zones <br /> and sensor numbers that will be utilized to motor these zones. Please revise and resubmit, as <br /> appropriate. <br /> 10) On drawing FS-12 (20,000 gallon tank), it appears that the 87 product and the vapor recovery <br /> piping is connected outside the STP sump. Please revise and resubmit. <br /> 11) On drawing FS-12, the note in the upper left corner (3-way valve mounting detail) still indicates <br /> that a 'N' vacuum tubing from tank annular" will be installed; brine monitored tanks were <br /> proposed. Please clarify and revise as appropriate. <br /> 12) The Buoyancy Calculations (20,000 Gallon tank) on page FS-3 has an addition error in the total <br /> tank uplift calculation. It is shown that 166,436 LBS + 6,271 LBS = 176,486 LBS. Tank length is <br /> given as 38'-2 3/4" and it appears that in the hold down calculations 37.5' was used for the <br /> calculations. Please verify that math calculations are correct and that correct measurements are <br /> being used. Revise as appropriate and resubmit. <br /> If you have any questions, don't hesitate to call me at (209) 953-7699 or Cesar Ruvalcaba at (209) 953- <br /> 6213. <br /> Thank you, <br /> ElenaMzo, Sr. REHS <br /> Sr. Registered Environmental Health Specialist <br /> CL (�ur�ree+ Sunol�+ � <br /> ,?g23 E. S-3ari',jj IerracC <br /> [A 945"68 <br /> Page 2 oft 1490 S main Street, Manteca, CA C00076222 <br /> 9171 9690 0935 0151 6824 59 <br />