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r <br />Baa -R. SAN JOAQUIN COUNTY <br />COMMUNITY DEVELOPMENT DEPARTMENT <br />1810 E WELTON AVE, STOCKTON, CA 95205 <br />r�Uldd��' DEVELOPMENT SERVICES PHONE 12091 4683120 <br />PLANNING PHONE 12091 4683120 <br />BUILDING PHONE 12091 4683123 <br />NEIGHBORHOOD PRESERVATION PHONE 12091 468-3021 <br />BACKFILL EXCAVATION CERTIFICATE <br />Project Location 7500 W. Linne Road Tracy, CA 95376 <br />Owner Jefferson School District Phone No. (209)836-3388 <br />Contractor Jim Thorpe Oil, Inc. Phone No. (209)368-6175 License No. 495699 <br />INDICATE METHOD OF BACKFILL QUALITY ASSURANCE <br />1. Submission of Soil Engineer's Compaction Report within 30 days of project <br />completion, or <br />-X- 2. Submission of verification, e.g. load ticket, within 30 days of project <br />completion that one of the following materials was placed in the excavation in <br />12" lifts: <br />X A. Pea gravel - smooth, rounded material not more than one-half (1/2) <br />Inch in diameter. <br />B. Crushed rock - self -compacting material not more than three-quarters <br />(3/4) inch in cross sectional measurement. (Use of crushed rock <br />will not be permitted for backfill if contact will be made between <br />the backfill material and tanks/pipes made of poly resin glass or <br />similar materials.) <br />DECLARATION <br />I hereby certify that a Soil Engineer's Compaction Report will be submitted within 30 days <br />of project completion, or submission of verification that the select material described above <br />will be placed at a minimum of five (5) cubic yards per 1000 gallon tank displacement and <br />that the entire excavation will be backfilled and compacted to insure compliance with the <br />Uniform Building Code Appendix Chapter 70. <br />* Richard Thorpe/ Contractor <br />Name (Print) <br />President/ Jim Thorpe Oil, Inc. <br />Tit (Print <br />* j <br />Signature <br />* Shall be the responsible managing employee on the license or authorized <br />agent. <br />6/91-LC/BECERT.DOC <br />