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i <br /> I [ha[ the u�iFormity oi the s��bgrade be checked by [horough pro_[rolling vi[h <br /> heavily loaded rubber�-[ired cont[ruc[ion equipment. <br /> � In automobile parking areas, we recommend that the paveQer.: sec[ion con- <br /> sist of 2 inche� of Class B asphvltic con�:re[e, 4 inches of 7/:-inch minus <br /> t cr�ished rock base course, and 6 inches oE �lean free-draini.ng sand and gravel <br /> ' wliich meets the grading requirements presented in Table 3. For roadway and <br /> � truck loading areas, the [liickness of asphal[ic concrete shoul: be increased <br /> to 3 inches and the [hickness of clean fr.ee-draining sand and ::avel to 8 <br /> inches. The crushed rock base course and clean free-draining sand and gravel <br /> Ishould both b� compacted to a[ least 95 percent of the naximu- '_ry densi[y <br /> determined in accordance with �.STM D-1557. <br /> iCH�UL\CTERISTIC SITE PL•'KIOD <br /> The characteris[ic pertod, TS, of the site was de[ecminec '_n accordance <br /> I wi[h Method 2 of Uni[orm Ruilding Code Star�dard ^10. 23-1. A s::1 profile con- <br /> I sisting of glacially overridden sedimen[s was used in this ana:��;is. Subsu:- <br /> � face information frum che t�st borings and engineering judgmer.: ,ere used to <br /> extrapolate [he soil profile to a depth of 500 feet, as require_ by [he method <br /> I of computatLon. Shear wave velu�ities were es[imated using co::elations for <br /> various soil types .�nd properties available in [he li[era[ure. <br /> The characteris".ic period of the site has been computed t: iall within <br /> Ithe range oC 0.7 to 1 .0 seconds. The value oE TS nearest to [ca natural period <br /> of the structure should be used to compute the site resonance c_eEficien[, S, <br /> Iof [he structc��e to be consLstenC wi[h the provisions of the t'.-:[orn Bailding <br /> Code. <br /> I USE OF THLS REPORT <br /> I <br /> IJe have prepared [?�is report Eor use by Juhn Fluke Manufsccuring Company <br /> Iand their arcldtects and engineers in [he design of a portion �: the project. <br /> The data and report should be provided to prospective contractrs for bidding <br /> I or estimating purposes, but our report, conclusions and in[er^:eca[tons should <br /> not be construed as a warranty of the subsurface conditions. <br /> If there are any changes in [he loads, grades, locations, _onfi.guratLons <br /> or types of facili[ies to be constructed, the conclusions and racommenda[icns <br /> presen[ed in this repor[ may not be fully applicable. If such �hanges are <br /> made, we should be given the oppor[unity to review our conclus::ns and recom- <br /> menda[ions aud to provide writ[en modification or verifica[ion :f [hese <br /> �(D <br /> - l3 - <br /> GeoEngineers <br /> Incorporoted <br />