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12i10ia7 wED le;oe FAX 42S eel sole ol;o t3i INEERl <br />SOA Corporulan <br />Decanba 9, 1997 <br />Pays 3 <br />FOUNDATIONS <br />ERCivulOn for Building A footings began on May 9, 1997. Extamive ovafaaC&vatioa was <br />rt tlui red on the western perimeter win roodnp. Footing trenches were backfted with imported <br />and on -site Ali. Excavation for Bullding B fbotiays began on June Ig, 1997. Overvitavuad <br />footing ttenChes were bsekA:led with on -site soils, Build nil C wall footing subgrades were <br />evaluated on Jura 18, 1997. <br />That footing eubgrades were evaluated prior to placing 000ayte for foWngs. Footing <br />subgrade &teal which were soft or otherwise uaeuitiebls were overaxcavated and replaced with <br />Structural All. Repairs of these anss wars completed la inhere jly. In our opinion, the loosing <br />surbgreides was prepared in aecordaaee with our teeorrhweadation. <br />BLOCK WALLS <br />Qnstruction of the block wWe begun on August 14, 1991 and 9sparnber S. 1997 for the <br />wall located southwest of Building A &W the wall &round she storm water dargotion pond, <br />r"paalvely. BACMII Muterlal trsd our both wails coosiped of onelq amsaurai all. Wsn <br />sub;sda End drain cotummia: was not observed on the waU located = a Building A. Also, <br />Our monitoring of coluttwcuon of the block walls did nos include Obeavatlon of the piscontnt <br />Of the tteogrid reldorckj for the bloat wait. Wall feeling aabgrades around tlw desse ion pond <br />wen evaluated by probing. Footing arrbRades which were soft or otherwise woultable were <br />OvaexCaVUW anti replaced with structural fill. In our opiniork die iboting aubpadae and wen <br />bin lfiiL ware papered in wor4aes with the project speolfl"Ons, <br />UTILITIES <br />Placement and compaction of ba*M in utully trenches !br The storm saw& and sanitary <br />lower were monitored on an intsrn%Wt t bash, UMfty tnncb.e were beddl1e4 whir the cn=ske <br />material excavated from the trorehes. In our ophden, those pord" of the bnckfill which we <br />evaluated wen eowpao W is acwrduice wkh our teeommandations. <br />PAVEMENTS <br />1'repaed pavemene subgrade are" ware evaluated OR Sapember 23, 1997 by ptoollolling <br />with a loaded dump truck and by probing. In &WNW. the tubgrsdi was in a dens non-ylddIq <br />condition; however, localized ere" of soft subgrade were WeudAsd. <br />Wet weather ooNkivne preceded Anal prSp@MIOA of the pavement subgrades. Sevesl <br />localised areas of soft rubgrade had developed as a result of the wag cooditiona and Congirtascdon <br />traf Ir. W - did not have an oppormWIV to reevaluate then arm prior to paving. These seas <br />were paved over with the understanding that lupus mainbmL Ce or repair may be required in <br />these areas. <br />Goo Engines rr FM Nos 3013 474130 <br />Qbo01 <br />