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CONSULTING FOUNDATION ENGINEERS <br />, <br />711 NORTH ALVARADO STREET O LOS ANGELES, CALIFORNIA 90026 0 TELEPHONE 386-3920 <br />Ft C. 4, 589 <br />4 -, gO -<60 uT# 82,5736 ST. <br />LEROY CRANDALL <br />AND ASSOCIATES November 22, 1971 <br />J. C. Penney Company, Inc. <br />P. 0. Box 997 <br />New York, New Y6rk 10001 (Our Job No. A-71009) <br />Attention: Mr. Robert Keller,·A.I.A. <br />Gentlemen: <br />Supplementary Recommendations <br />Proposed Partial Basement <br />The Treasury Department Store <br />Sunflower Avenue and Bristol Street <br />Santa Ana, California <br />This letter presents our recommendations for design and construction <br />of the partial basement at the subject building site. The recommendations in <br />this letter supplement the recommendations presented in our report of founda- <br />tion investigation for the subject department store dated February 8, 1971. <br />At the time our foundation investigation was performed, a basement was not <br />planned. <br />PROPOSED PARTIAL BASEMENT <br />The proposed partial basement is planned at the northwest corner of <br />the proposed department store. The basement will be approximately 70 feet <br />by 160 feet in plan and extend to Elevation 20.0, about 14 feet below the <br />main floor elevation of the department store and about 10 feet below the <br />original grade. The basement walls will be of concrete block construction. <br />Column loads within the basement will range from 144 kips to 221 kips. Wall <br />loads will range from 3.0 kips per lineal foot to 8.9 kips per liaeal foot. <br />In addition to the proposed basement, an elevator shaft, approximately <br />eight feet by ten feet in plan is planned adjacent to the basement. The ele- <br />vator shaft will extend approximately five feet below the proposed basement <br />grade. <br />SOIL CONDITIONS <br />The natural soils beneath the site to depths of 14 to 25 feet consist <br />primarily of clay. The deeper soils consist primarily of sand and silt with <br />lesser deposits of silty sand and clayey sand. At basement level, the soils <br />are generally moderately firm but contain soft layers. <br />RECEIVED <br />DEC 1 1971 <br />L. Le ROY CRANDALL, C. E.RUSSELL C. WEBER, C. E.SEYMOUR S. CHIU, C. E.HOBERT CHIERUZZI, C. E. <br />FREDRICK A. BARNES J. D. KIRKGARD. C. E.P. A. MALJIAN. C. E.JAMES L. VAN BEVEREN. C. E. <br />LEOPOLD HIRSCHFELDT JAMES M. McWEE, C E.City of Santo An. <br />De*. Bldg. Shy. 8 Haudihe