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Northlake 635(7)-LR 980330REPORT OF DRILLEL - ELLED PIER INSPECt_iON ENGLNEERING, INC. 8901 Carpenter Frwy., Suite #100 Dallas, Texas 75247 Date of Service: 03/18/1998 Report No.: 9807549 Report Date 03/30:'1998 Client No.: 71765000 Project No.: 43-2479-97 Client: Prentiss Properties Limited, Inc. Project: Calling Center GOPY Attn: David Glass Coppell, Texas 3890 W. N.W. Hwy, Suite 400 Dallas TX 75220 Services: Drilled keiled pier inspeczion. On 5his dane, an HBC Engineering ~erknician arrived az nhe above referenced jcbsite as sckeduled f~r drilled belled inspecmicn. See a5sacked skeets for recorded dana. NOTE: Piers E/4=l, E/4~2, D/251 and D/2=2 were drilled as replaremen5s for original piers E/4 & C/2. One pier was drilled cn each side of The two criginal piers. D/2~2 was chanued from a 1~/48 ~o 24/~4 per general consractgr because zke reamer for 5ke !B/4B broke. Technician Time: 7:3~3 am to ~:~ pr. Technician: ~ Engineering, Inc. Repor~ Distribution: (1) Prentiss Properties Limited, Inc. ( 1 ) Halff Assoc:a:es, Inc. (1) Butler Construction (1) City of Coppell Paul D. Smith, P.E. (l) Alliance Architects, Inc. (1) HCBeck Co.':tractors Senior Project Engineer (1) Brockette Davis Drake, Inc. (I) City of Coppcll This report is exclusively for the use of the client indicated above and shall not be reproduced except in full without the v,'rittcn approval of HBC Engineering, Inc. 99MP Page I of I Project: IBM Calling Center Report No.: 9807549 Coppell, Texas Date of Service: 03/18/1998 Project No.: 43-2479-97 Technician: j. Atnip Page: 1 of 2 Pier Identification E.5/15 E.8/1.5 F.5/1.5 F.8/1.5 E.9/9.8 E.7/9.8 E.5/9.8 D.8/9.8 D..5/9.8 C.8/9.8 C.5/9.8 Pier Diamete~ (!n-) ....... 24 24 24 24 24 24 24 24 ._ . 24 24 24 Bell Diameter (in,) 54,0 54.0 54.0 54.0 54.0 54.0 54.:0 .. 54.0 54.0 54,0 54.0 Top of Pier E!_evation (ft) ........... N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A Req. Depth From Exist, Grade (ft) 13.0 13.0 13.0 13.0 13,0 13.0 13,0 13.0 13.0 13.0 13,0 Initial Depth of Pier From Existing Grade (ft) 15.0 14.4 14.0 15.0 14.2 14,0 14,2 . _~_4,__3 ........... 14.--4_ 14.0 14,8 Final Depth of Pier From Existing Grade (ft) 15.1 14,4 1_4._2._ 15:_2- ._ .1-_4._._5_. 14.2 14,4 14,4 .. 14.6 14.2 15.0 Dept_h .From Top of Concrete _(ft) ...... 12,6 11.9 11.7 12.7 12.0 ..... 11_ .7 11,9 11,9 12.1 ...... !_1 :.7 12,5 Condition of Bottom (wet or dry) DRY DRY DRY DRY DRY DRY DRY DRY DRY DRY _D_ .R_Y Plumb Within Tolerance (yes or no) YES YES YES YES YES YES YES YES YES .... YES. .......... _Y__E_S Casing Diameter (in) N/A N/A N/A N/A r~/A_ .......... N/A .... _N__(_A__ _ N/A N/A N/A ..... N!A__ Cased Depth (ft) N/A N/A N/A N/A N/A N/A N/A _ __ N/A N/A N/A N/A Number of Vertical Bars (ea,) 6 6 6 6 6 6 6 6 6 6 6 Reinforcing Bar Size (#) 6 6 6 6 6 ............. _6 6 6 6 .. 6 .... _6. ...... Length of Vertical Bars (ft.) 12,1 14,8 15.8 12,2 11,7 14.6 14,8 14,6 14.9 ___ 14,5 11.4 Time Drilling Was Completed 2:50PM 2:59PM 3:0gPM 3i1_8__P__M- .... 3_:_40PM ...... _3_:_5_0__P_M ... 4:04P_.U_ 4:15P_M 4:24PM __ 471 PM 4:39PM Time Concrete Was Placed 4:32 PM 4:26 PM 4:28 PM 4:21 PM 4:57 PM 5:06 PM 5:15 PM 3:29 PM 5:38 PM 5:47 PM 5:55 PM REPORT OF DRILLED BELLED PIERS COPY ENGLNEERING, INC. S,901 Ca_-pcnter Dall~. Tex,__s 7524: Project: IBM Calling Center Report No.: 9807549 Coppell, Texas Date of Service: 03/18/1998 Project No.: 43-2479-97 Technician: j. Atnip Page: 2 of 2 Pier Identification E/4#1 E/4#2 D/2#1 D/2#2 Pier Diameter (in.) 18 18 18 24 ~ Bell Diameter (in.) 48.0 45.0 45.0 54.0 Top of Pier Elevation (ft) N/A N/A N/A N/A Req. Depth From Exist. Grade (ft) 18.0 18.0 18.0 18.0 Initial Depth of Pier From Existing Grade (ft) 18.3 19.0 18.1 19.0 Final Depth of Pier From Existing Grade (ft) 18.4 19.0 18.2 19.2 Depth From Top of Concrete (ft) 14.7 15.3 14.5 15.6 Condition of Bottom (wet or dry) DRY DRY DRY DRY Plumb Within Tolerance (yes or no) YES YES YES YES Casing Diameter (i_n) ........ N/A N/A N/A N/A ._ ! Cased Depth (ft) N/A N/A N/A N/A Number of Vertical Bars (ea.) 4 4 4 4 Reinforcing .B_ar..s_!_z~ (#). .... 6 .__ 6 6 6 __ Length of Vertical Bars (ft.) 17.8 18.5 17 17.3 Time Drilling Was Completed 12:01 PM 12:10 PM 1:36 PM 4:50 PM Time Concrete Was Placed 4:10 PM 4:15 PM 4:39 PM 4:46 PM