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Park West CC(12)-LR010215 GEOTECHNICAL AND ENVIRONMENTAL CONSULTANTS REPORT OF PIER OBSERVATION Parkwest Commerce Center - Building 4 Enterprise Drive at Wrangler Drive Coppell, Texas REPORTED TO: Pritchard Associates 2501 State Street Dallas, Texas 75201 ATTN: Mr. Roger Dahlin REPORT NO. 17 REPORT DATE: 02-15-01 REG PROJECT NO. 4772 TECHNICIAN: C. McEntee PAGE: 1 of 2 CONTRACTOR: McFadden & Miller, Inc. Date Pier No. Pier DiameterI Bell Diameter (inches)I (inches) Depth Before Bell (feet) IFinal Depth of Pier (feet) 01-31-01 C-2 24 54 12.6 13.2 C-3 24 54 12.5 13.0 C-4 24 54 12.6 13.1 C-5 24 54 12.6 13.2 C-6 24 54 12.6 13.1 C-7 24 54 12.6 13.0 C-8 24 54 12.5 13.0 C-9 24 54 12.1 12.5 C-10 24 54 12.3 12.8 B-10 24 54 12.2 12.7 B-9 24 54 12.5 13.0 B-8 24 54 12.4 12.9 B-7 24 54 12.7 13.0 B-6 24 54 12.8 13.5 B-5 24 54 12.8 13.3 B-4 24 54 12.7 13.2 B-3 24 54 12.1 12.5 B-2 24 54 12.8 13.3 E-10 24 54 10.9 11.5 D.2-11 24 54 11.7 12.3 E-9.5 24 54 11.4 11.9 E-9 24 54 12.5 13.2 E-8.5 24 54 11.7 12.0 E-8 24 54 12.4 12.7 E-7.5 24 54 12.8 13.0 E-7 24 54 12.0 12.6 E-6.5 24 54 11.6 12.3 D.4-10.8 24 48 13.9 14.6 D.8-10.2 24 48 13.7 14.2 D.8-6,4 24 48 12.0 12.5 2424 STUTZ DR. · SUITE 400 · DALLAS, TX 75235 · TEL [214] 350 5600 · FAX [214] 350 0019 REPORT NO. 17 REPORT DATE: 02-1§-01 REG PROJECT NO. 4772 PAGE: 2 of 2 Date I Pier Diameter Bell DiameterI Depth Before I Final Depth of Pier No. (inches) (inches) Bell (feet) Pier (feet) 02-01-01 02-02-01 D.9-6 30 66 10.0 10.7 D.9-10.9 30 66 13.7 14.2 E-3.5 24 54 10.5 11.0 E-4 24 54 10.4 11.1 E-4.5 24 54 10.9 11.6 E-5 24 54 11.0 11.4 E-5.5 24 54 11.5 12.1 C.7-11 24 54 12.1 12.4 C.2-11 24 54 11.5 12.0 B.7-11 24 54 11.5 12.0 B.2-11 24 54 11.7 12.6 A.7-11 24 54 12.0 12.1 A-11 24 54 11.0 11.4 A-1 24 54 10.5 11.0 D.8-5.6 24 48 12.1 12.7 D.8-5.8 18 36 12.0 12.1 D.8-6.2 18 36 12.2 12.6 D.8-10.8 18 36 12.7 13.2 A-10.4 24 60 10.0 10.3 A-9.5 24 60 10.0 10.6 A-9 24 54 8.3 8.6 A-8.5 24 54 10.7 11.0 A-8.2 24 60 10.5 10.9 A-7.4 24 54 10.6 11.1 A-6.9 24 54 10.8 11.4 A-6.2 24 60 10.6 11.0 A-5.5 24 60 10.0 10.8 A-5.1 24 54 10.4 10.7 A-4.7 24 54 11.7 12.3 A-3.9 24 60 10.8 11.6 A-3.5 24 54 10.8 11.4 A-3.1 24 54 10.7 11.5 A-2.5 24 60 10.2 10.7 A-1.7 24 60 11.8 12.0 Distribution: (1) Pritchard Associates/ Mr. Roger Dahlin (1) O'Brien & Associates/ Mr. Mick Granlund (1) Technistructures/Mr. Keith Leslie (1) McFadden & Milled Mr. Jon Jacobson (1) Halff Associates/Mr. Dave Littleton (1) City of Coppell/Mr. Larry Davis (1) City of Coppell/Mr. Lee Stone Submitted by: REED ENGINEERING GROUP, INC. Original Signed By James F. Phipps, P.E. TB/mm