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...OSAN SAN JOAOUIN COUNTY <br /> _,. COMMUNITY DEVELOPMENT DEPARTMENT <br /> IBIO E HAZELTON AVE.STOCKTON.CA 95205 <br /> • �' �� DEVELOPMENT SERVICES PHONE 1209)466-3120 <br /> �Ci'itiA� PLANNING PHONE(2091 468-3120 <br /> BUILDING PHONE 1209) 468.3123 <br /> NEIGHBORHOOD °RESERVATION PHONE 12091 468.3021 <br /> BACKFILL EXCAVATION CERTIFICATE <br /> Project Location Stockton Metro — <br /> Owner Tank owner-Federal Aviation Adminis. Phone No. X09 946 6310 <br /> Cortactor Tnm mehr]n er r + Jnn?hone No. 916-527-5014 License No. 7gT77� <br /> INDICATE METHOD OF BACKFILL QUALITY ASSURANCE <br /> XX 1. Submission of Soil Engineer's Compaction Report within 30 days of project <br /> completion, or <br /> 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 /> 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 cruaSed 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 displaccv�er.t and <br /> that the entire excavation will be backfilled and compacted to insure compliance witn the <br /> Uniform Building Code Appendix Chapter 70. <br /> TOM MEHRINGER CONSTRUCTION, INC. <br /> * Tom Mehrinoer — <br /> Name (Print) <br /> Pres. Owner _— <br /> Title (Print) <br /> Signature <br /> * Shall be the responsible managing employee on the license or authorized <br /> agent. <br /> 6/91-LC/BECERT.DOC <br />