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<br />" <br /> <br />-L.J <br /> <br />n <br /> <br /> <br />Geotechnical & Construction Materials <br />Engineering & Testing · Inspection <br />Environmental Services <br /> <br />u <br /> <br />LJ <br /> <br />Offices throughout the state of Florida <br />www.nuttingengineers.com.info@nuttingengineers.com <br /> <br />II <br /> <br />n <br /> <br />December 10, 2004 <br /> <br />LJ <br /> <br />Mr. Ron Rollins <br />Miller Legg and Associates, Inc. <br />1800 North Douglas Road, Suite 200 <br />Pembroke Pines, Florida 33024 <br /> <br />II <br /> <br />LJ <br /> <br />" <br /> <br />u <br /> <br />Subject <br /> <br />Addendum to Report of Geotechnical Exploration <br />Gymnasium at 2-Acre Park <br />181 Sl Drive and North Bay Road <br />Sunny Isles Beach, Florida <br /> <br />II <br /> <br />LJ <br /> <br />II <br /> <br />Dear Mr. Rollins: <br /> <br />LJ <br /> <br />11 <br /> <br />This letter is in response to a request by the structural engineer that additional pile depth <br />evaluations and recommendations be performed for the proposed building at the above <br />referenced site in Fort Lauderdale, Florida. Our evaluation is based on the borings <br />performed and our Report of Geotechnical Exploration provided by Nutting Engineers on <br />June 16,2004. <br /> <br />u <br /> <br />n <br /> <br />LJ <br /> <br />n <br /> <br />We also note that an additional two-story recreation building will be constructed at the <br />subject site. Based on discussions we understand that a prior geotechnical report was <br />provided for the building dating back to approximately 2000 to 2002. At this time we <br />were unable to locate any report in our records that indicate that the boring was <br />performed by Nutting Engineers along with the understanding that the report could not be <br />located as well by Miller Legg and Associates. Therefore the recommendations provided <br />herein may be used for the two story structure along with the proposed gymnasium <br />however prior to construction we recommend that an additional soil boring be performed <br />within the building footprint to verify subsurface conditions. <br /> <br />u <br /> <br />n <br /> <br />u <br /> <br />II <br /> <br />u <br /> <br />11 <br /> <br />Augercast Pile Analysis <br /> <br />LJ <br /> <br />u <br /> <br />Based on discussions with Mr. Carlos Sanz, P.E., the project structural engineer, we <br />understand that the proposed gymnasium will have column loads on the order of 210 kips <br />and wall loads on the order of 12 kips per linear foot. The two story building will have <br />wall loads on the order of 15 kips per linear foot. We understand that based on our <br />recommendations provided for a 40 ton pile the amount of piles required to support the <br />structure may be relatively high. Based on this we were requested to provide a higher <br />pile capacity to reduce the number of piles required for the proposed project. <br /> <br />n <br /> <br />II <br /> <br />u <br /> <br />n <br /> <br />u <br /> <br />11 <br /> <br />LJ <br /> <br />11 <br /> <br />1310 NEPTUNE DRIVE. BOYNTON BEACH, FLORIDA 33428. (581) 738-4900. Fa (581) 737-1975 <br />Browaref (954) 941-8700. HllIsborough (813) 866-8800. Miami-Dade (305) 824-0060 <br /> <br />LJ <br />