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pRR �N•.,� SAN JOAQUIN COUNTY <br /> r. '. `• i COMMUNITY DEVELOPMENT DEPARTMENT <br /> 1810 E.HAZELTON AVE.,STOCKTON.CA 95205 <br /> iij3W r DEVELOPMENT SERVICES PHONE:(209) 468-3120 <br /> PLANNING PHONE(209) 468.3120 <br /> BUILDING PHONE: (209)468-3123 <br /> NEIGHBORHOOD PRESERVATION PHONE., (209) 468.3021 <br /> BACKFILL EXCAVATION CERTIFICATE <br /> (South Della/Hazelton) <br /> Project Location SAN JOAQUIN COUNTY MOTOR POOL, 444 S. WILSON WAY STOCKTON, CA <br /> Owner SAN JOAQUIN COUNTY Phone No. (209) 465-3357 <br /> Contractor M.L. ARONSON, INCPhone No,(91-6) 381--1600 License No. 592010 <br /> INDICATE METHOD OF BACKFILL QUALITY ASSURANCE <br /> X 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 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 /> * CRAIG Y. OGATA <br /> Name (Print) <br /> DEPUTY DIRECTOR <br /> ne (Print) <br /> * <br /> S i-g a re <br /> * Shall be the responsible managing employee on the license or authorized <br /> agent. <br /> 6/91-LC/BECERT.DOC <br />