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TABER CONSULTANTS • Engineers & Geologists <br /> 536 Galveston Street West Sacramento, California 95691 <br /> t< West Sacramento(916)371-1690 • Santa Rosa(707)575-1568 <br /> H.4E-_q 7* <br /> SINCE 1954 <br /> I <br /> March 24 , 1987 j <br /> ;I <br /> San Joaquin Local Health District <br /> 1601 East Hazelton Avenue <br /> Stockton, California 95201 <br /> I <br /> Subject : Technical Work Plan 2P3/386/61-1 <br /> Spanos Park <br /> Eight-Mile Road at Interstate-5 <br /> Stockton, California <br /> Gentlemen: <br /> Purpose of soil borings ( "monitoring wells" ) at the above site <br /> is to investigate subsurface materials and conditions for geotechnical <br /> evaluation and design purposes . Current work is to include seven <br /> 7) auger and/or rotary drilled test borings which will be immediatedly <br /> destroyed (backfilled per County regulations) upon completion of <br /> drilling . '. <br /> Borings will be 3 to 4-inches in diameter and 35-50 ft in depth <br /> located per plan attached. Laboratory testing on soil samples <br /> obtained from the borings will include various strength and classifica- <br /> tion tests. None of the borings are for permanent use and no chemical <br /> analysis is planned for soil or water obtained from the borings . <br /> Destruction of the borings is proposed by means of combination <br /> cement and bentonite slurry pumped into the hole (from the bottom-up) <br /> through drill rod or pipe. <br /> Very Y yours , <br /> trul , <br /> TABER CONSULTANTS <br /> A io <br /> G. D. Ave <br /> �j <br /> GDA/twf <br /> G <br />