Laserfiche WebLink
XERXES <br />CORPORATION <br />August 26, 2019 <br />Bill Robbins <br />E-mail: wmrobbinc@comcast.net <br />Re: One 8 -foot -diameter 5,000 -gallon Single -Wall Tank <br />Buoyancy Calc - Grindstone Joe's, 14900 W. Highway 12#90, Lodi CA <br />Dear Bill: <br />We have summarized the buoyancy data you requested. All of the calculations are <br />based on the site data you have provided to us and on nominal engineering values <br />for the physical parameters. <br />All of the calculations are based on standard engineering practice. We use <br />approaches in a manner similar to the protocols presented in the PEI/RP 100-17 <br />manual to calculate the underground tank Buoyancy Safety Factors. <br />It is the tank owner's responsibility to determine the suitability and applicability of <br />installation. Our sole responsibility in any installation is as stated in our Limited <br />Warranty. <br />Our calculations show that, given the installation parameters that you have <br />provided to us (calculated with the tank empty, the water table at the same <br />elevation as the finished grade, burial depth of 2 feet, and anchored using factory - <br />supplied deadmen) the Buoyancy Safety Factor is 1.25:1. We recommend a <br />minimum Buoyancy Safety Factor of 1.20:1. I have included a copy of the <br />worksheet for your files. <br />If we can be of additional assistance, please feel free to contact us. <br />Sincerely, <br />_ar S_ <br />___ <br />Teji der Singh <br />Design Engineer - Sales Support <br />Attachment <br />7901 Xerxes Avenue South • Minneapolis • Minnesota • United States • 55431-1288 <br />Ph: 952-887-1890 • Fax: 952-887-1870 • Web: www.zcl.com <br />