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LDN GEOTECHNICAL & CIVIL ENGINEERING <br />Address: 10371 Sande 5t, Cypress, CA 90630 <br />Tel: (714)606-1668. Email: la pnAUven.pe(Asmail.com <br />Certification of Compaction of Filling of Existing Pool at <br />1805 S Shelton St, Santa Ana, CA 92707 <br />TO <br />BUILDING PERM IT fl10195689 <br />FROM LAP D, NGUYEN <br />0310s/2078 <br />ln accordance with your request, O3|O5/2O18, a Site visit has been performed at the subject site. The <br />purpose of this site visit was to check the compaction at the address above- <br />This letter to certify that the swimming pool filling materialgenerally consisted to medium dark grey <br />silty sand with clay (have expansion index less than 20) have been compacted to a minimum of 90% of <br />minimum density and is consider geotechnical acceptable and suitable for the intended use for <br />landscaping with non-structural purposes .lf there is a structural object to be constructing at the filled <br />existing Pooi area, a soil report to be prepared by a qualified soil engineer will be required to <br />recommend for the foundation design. <br />This Report does not guarantee the work of Contractor, nor does it relieve the contractor from <br />performing their work in accordance with the Contract Documents and applicable codes, l:ws, rules, or <br />regulations. <br />lf you have any question please contact us (714)606-1668 <br />Respectfully, <br />,"r;;fG ,*:,?l,34le <br />GNo <br />crv <br />STEVE TRINH <br />DATE: <br />---'rl / <br />/