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<br />4t~ JBTJL Engineering Services? linc, <br /> <br />..- .-..... 5802 N. Occident Street. PO. Box 15718 . Tampa. Florida 33684 <br />(813) 884-0755 - Hillsborough . (813) 733-9347 - Pinellas (813) 846-1703 - Pasco / (813) 886-5377 _ Fax <br /> <br />October 3, 1997 <br /> <br />GAB Insurance <br />P.O. Box 545 <br />Lakeland, FL 33802 <br /> <br />Attn: Rob Gibson <br /> <br />Re: Wall Stabilization <br />Robert White Residence <br />39736 Meadowood Loop <br />Zephyrhills, FL <br />Claim No. ??oo97001802 <br />BTL Job No. 4612-97-2453S <br /> <br />Dear Mr. Gibson: <br /> <br />Enclosed is our recommendation for wall stabilization at the mentioned residence. We <br /> <br />reference page 5 of 7 in our original report to you dated July 17, 1997, which states, "Therefore, we <br /> <br />recommend that not only the sinkhole is stabilized, but also at a minimum, the walls of the house are <br /> <br />strengthened". Since only the west (front) wall is damaged, we are recommending a repair for it. The <br /> <br />repair is necessary because the structural adequacy of the wall has been compromised by sinkhole <br /> <br />induced stresses and we anticipate the possibility of further movement resulting from the shrink swell <br /> <br />properties of near surface clay. <br /> <br />The fonowing are our recommendations for wall repair. Please refer to the enclosed sketches <br /> <br />for location and details of the grade beam. <br /> <br />1. Excavate a trench 42" wide and 44" deep along the west wall. <br /> <br />Geotechnical, Materials & Structural Ergineering . Foundation Design . Forensic Foundation Engineering <br />Materiais Laboratory Testirg . Construction Testing Services . Sinkhole Investigation <br />