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NEIL O. ANDERSON & ASSOCIATES, INC. P E R SOS GEOTECHNICAL-ENVIRONMENTAL•GROUNDWATER,.-INSPECTIONS•TESTING•LABORATORY SERVICES WEBSITE: wv+w.noandmm.com CORPORATE OFFICE SACRAMENTO OFFICE z y, EMAIL. ma(aJ nd.... om 22 Ho¢ Lmte 4221 NorlhpW Boulevard,Site 6 G A. CHICO: (530)891-6304 Lodi,Califamia 95240-2405 Sacmt .,California 95834-1227 STOCKTON: (209)472-1091 (209)367-3701 (916)929-9267 RANCHO CORDOVA: (916)631-4455 FAX(209)3334303 FAX:(916)929-9269 June 26,2003 Mr.Dennis Leikam Musco Family Olive Co. 17950 Via Nicolo Tracy, CA 95377 Subject: Final Inspection Letter,New Septic System Musco Family Olive Company 17950 Via Nicolo,Tracy,California Dear Mr. Leikam, This letter is to confirm that the septic system repairs were completed by the contractor, Applegate Septic and Sewer Company of Modesto California,as outlined by our June 13, 2003 letter(see attached copy of letter). Our June 13'letter discussed the construction deficiencies identified by the Mike Huggins of San Joaquin County Environmental Health Department(EHD) and our office. The letter proposed modifications that would mitigate the deficiencies. Mr. David Welch, Senior geologist, NOA,inspected the repairs performed by Applegate Septic and Sewer Company on June 18, 19,and 20, 2003 and has found them to be satisfactory. , The initial septic system construction began about the middle of May, 2003 and was completed June 20, 2003. The main problems identified with the initial construction were that the bottom of the leach line trenches were not level and the leach line pipe slope was excessive. In addition,the distribution boxes were not level and contained an open bottom and cracking of the box. The leach field drain pipe sloped down toward the seepage pit. The pump chamber of the last septic tank contained an open baffle which needed to be sealed. An effluent pipe also needed to be installed for the last chamber. Approximately two weeks of the time was spent by our office and EHD conducting elevation surveys and analyses of the problem. One additional change,not specifically addressed by the June 13'letter, was that the inlet plumbing to the septic tanks was modified by Applegate Septic from our plans. Two waste water septic pipes deliver waste water to the original two 2,000 gallon septic tanks from the facility. One 6 inch line delivers approximately 80%of the waste water which runs through a 1,600 gallon septic tank near the main office. Another 4 inch diameter line delivers approximately 40% of the flows generated from the more recent plant expansion. Due to the difficult access to the inlet port of the existing primary tank,the pipe from the original facility bypasses the two original 2,000 gallon tanks. This pipe now enters the first of five new 2,000 gallon septic tanks. The other pipe has remained in place and enters the original 2,000 gallon tanks then enters the first of the five new 2,000 gallon septic tanks. These changes are acceptable to our office. 'pER,OM1 %r�i