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Northlake 635(3)-LR 980504 (2)CONCRETE COMPRF"'SIVE STRENGTH TES 8901 Carpenter Frwy., Suite #100 Dallas, Texas 75247 Report Date Date of Service: 04/03/1998 Report No.: 9808870 05/04/1998 Client No.: 52617000 Project No.: 43-2452-!)7 Client: Lincoln Property Company Project: Coppell ~usiness Center II 3300 Lincoln Plaza/Larry Moon Belt Lin~ Rd. & Lakeshore Dr. 500 North Akard Street Dallas TX 75201-3394 Coppell, Fexas Services: Obtain samples of fresh concrete at the placement locations, perform requir{ d field test and cast compressive strength samples.** # PROJECT DATA CONT~croR: Butler Construction CONCRETE CLASS: 9349 CONCRETE SUPPLIER: Pioneer Concrete PLACEMENT DATE: 04/03/1998 BATCH TIME: N/A PLANT: 27 TIME SAMPLED: 4:45 am BY: DJtmon Elrod SPECIFICATION REQUIREMENTS WEATHER CONDITIONS: Clear STRENGTH: 4000 psi ~ 28 Days TEMPERATURE (F) - AIR 58 F CCNCRETE: 80 F SLUMP: 5" TRUCKNO: 546 TICKE'I'NO: 659202 AIR: N/A AIR ¢o~crENT (%): N/A Vnn' WEIGHT (pc0: N/A TEST METHOD: ASTM C-143 PLACEMENT LOCATION: Building D slab, H-J & 1-11 ASTM C- 172 ASTM C-39 SAMPLE LOCATION: 1.5-1.5 REPORT OF TESTS AC, iUMULATIVE YARDS: 80 CYLINDER MEASURED MAXIMUM 'MPRESSIVE MARKED SLUMP DATE AGE LOAD STRENGTH FRACTURE SET NO. (inches) TESTED (days) (lbs. force) (psi) TYPE l 1 4.75 04/10/1998 7 90670 3210 1 2 4.75 04/10/1998 7 90010 3180 Average 3200 1 3 4.75 05/01 / 1998 28 108670 3840 1 4 4.75 05/01/1998 28 112010 3960 Average 3900 This report is exclusively for thc usc of thc client indicated above and shall not be reproduced except in full without thc wri~ =n approval of HBC Engineering, Inc. 01AK Page 1 of 7 CONCRETE COMPRIr"SIVE STRENGTH TES 8901 Carpenter Frwy., Suite #100 Dallas, Texas 75247 Date of Service: 04/03/1998 Report No.: 9808870 Report Date 05/04/1998 Client No.: 52617000 Project No.: 43-2452-!)7 Client: Lincoln Property Company Project: Coppell ~usiness Center II 3300 Lincoln Plaza/Larry Moon Belt Lin~ Rd. & Lakeshore Dr. 500 North Akard Street Dallas TX 75201-3394 Coppell, Fexas Services: Obtain samples of fresh concrete at the placement locations, perform requir~ d field test and cast compressive strength samples.** PROJECT DATA CONTRACTOR: Butler Construction CONCRETE CLASS: 9349 CONCREtr SUPPLIER: Pioneer Concrete PLACEMENT DATE: 04/03/1998 BATCH TIME: 5:53 am rLA~rr: 27 TIME SAMPLED: 6:15 am BY: D~anon Elrod SPECIFICATION REQUIREMENTS WEATHER CONDITIONS: Sunny, Gl, ~ar STRENGTH: 4000 psi ~ 28 Days TEMPEgA~'t~RE (F)-AIR 60 F CC] NCRETE: 80 F SLUMP: 5" TRUC~CNO: 758 TICm~l NO: 659212 Am: N/A AIR CONTENT (%): N/A UNll'WEIGHT (pcO: N/A TEST METHOD: ASTM C- 143 PLACEMENT LOCATION: See page 1 ASTM C- 172 ASTM C-39 SAMPLE LOCATION: I-3 REPORT OF TESTS AC, :UMULATIVE YARDS: 180 CYLINDER MEASURED MAXIMUM £ OMPRESSIVE MARKED SLUMP DATE AGE LOAD STRENGTH FRACTURE SET NO. (inches) TESTED (days) (lbs. force) (psi) TYPE 2 1 4.75 04/10/1998 7 83790 2960 2 2 4.75 04/10/1998 7 77400 2740 Average 2850 2 3 4.75 05/01/1998 28 113700 4020 2 4 4.75 05/01/1998 28 114240 4040 Average 4030 This report is exclusively for the usc of thc client indicated above and shall not be reproduced except in full without the writ :n approval of HBC Engineering, Inc. 01AK Page 2 of 7 CONCRETE COMP IVE STRENGTH TES 8901 Carpenter Frwy., Suite #100 Dallas, Texas 75247 Date of Service: 04/03/1998 Report No.: 9808870 Report Date 05/04/1998 Client No.: 52617000 Project No.: 43-2452-!t7 Client: Lincoln Property Company Project: Coppell ~;usiness Center II 3300 Lincoln Plaza/Larry Moon Belt Line Rd. & Lakeshore Dr. 500 North Akard Street Dallas TX 75201-3394 Coppell, ['exas Services: Obtain samples of fresh concrete at the placement locations, perform requir{ :l field test and cast compressive strength samples.** PROJECT DATA CONTRACTOR: Butler Construction CONCRETE CLASS: 9349 CONCRETE SUPPLIER: Pioneer Concrete Pt~CEMENT DATE: 04/03/1998 BATCH TIME: N/A Pt~anT: 27 TIME SAMPLED: 7:10 am BY: D~:mon Elrod SPECIFICATION REQUIREMENTS WEATHER CONDITIONS: Sunny STRENCT~: 4000 psi ~ 28 Days TEMPERATURE (lZ)-AIR 60 F CO NCRETE: 80 F SLUMP: 5" TRUCKNO: 749 TICm~ NO: 659223 AIR: N/A AIR CONTENT (%): N/A UNI3'WEIGHT (pc0: N/A Tr~S~r METHOD: ASTM C- 143 PLACEMENT LOCATION: See page I ASTM C- 172 ASTM C-39 SAMPLE LOCATION: H.5-3.5 REPORT OF TESTS sci :UMULATIVE YARDS: 280 CYLINDER MEASURED MAXIMUM OMPRESSIVE MARKED SLUMP DATE AGE LOAD STRENGTH FRACTURE SET NO. (inches) TESTED (days) (lbs. force) (psi) TYPE 3 1 5.00 04/10/1998 7 77460 2740 3 2 5.00 04/10/1998 7 75280 2660 Average 2700 3 3 5.00 05/01/1998 28 113650 4020 3 4 5.00 05/01/1998 28 113300 4010 Average 4020 This report is exclusively for the use of the client indicated above and shall not be reproduced except in full without the writl :n approval of HBC Engineering, Inc. 01AK Page 3 of 7 CONCRETE COMP IVE STRENGTH TES ENGINF_,ERING, INC. 8901 Carpenter Frwy., Suite #100 Dallas, Texas 75247 Report Date Date of Service: 04/03/1998 Report No.: 9808870 05/04/1998 Client No.: 52617000 Project No.: 43-2452- 77 Client: Lincoln Property Company Project: Coppell lusiness Center II 3300 Lincoln Plaza/Larry Moon Belt Lin. Rd. & Lakeshore Dr. 500 North Akard Street Dallas TX 75201-3394 Coppell, ' I'exas Services: Obtain samples of fresh concrete at the placement locations, perform require d field test and cast compressive strength samples.** PROJECT DATA CONTRACTOR: Butler Construction CONCRETE CLASS: 9349 CONCRETE SUPPLIER: Pioneer Concrete PLACEMENT DATE: 04/03/1998 BATCH TIME: N/A PLANT: 27 TIME SAMPLED: 8:35 am BY: D; tmon Elrod SPECIFICATION REQUIREMENTS WEATHER CONDITIONS: Sunny STRENGTH: 4000 psi ~ 28 Days TEMPERATURE (g)-AiR 71 F CC NCRETE: 80 F SLUMP: 5" TRUCKNO: 749 TICKEI'NO: 659236 AIR: N/A AIR CONTENT (%): N/A UNr~ WEIGHT (pc0: N/A TEST METHOO: ASTM C- 143 PLACEMENT LOCATION: See page 1 ASTM C- 172 ASTM C-39 SAMPLE LOCATION: H.5/5.5 REPORT OF TESTS AC~UMULATI'v'E YARDS: 380 CYLINDER MEASURED MAXIMUM !OMPRESSIVE MARKED SLUMP DATE AGE LOAD STRENGTH FRACTURE SET NO. (inches) TESTED (days) (lbs. force) (psi) TYPE 4 1 5.00 04/10/1998 7 79740 2820 4 '2 5.00 04/10/1998 7 80770 2860 Average 2840 4 3 5.00 05/01/1998 28 121410 4290 4 4 5.00 05/01/1998 28 123310 4360 Average 4330 This report is exclusively for the usc of the client indicated above and shall not be reproduced except in full wilhout the wri~ en approval of HBC Engineering, Inc. 01AK Page 4 of 7 CONCRETE COMPRE IVE STRENGTH TES . 8901 Carpenter Frwy. Suite #100 Dallas, Texas 75247 Date of Service: 04/03/1998 Report No.: 9808870 Report Date 05/04/1998 Client No.: 52617000 Project No.: 43-2452-!~7 Client: Lincoln Property Company Project: Coppell [;usiness Center II 3300 Lincoln Plaza/Larry Moon Belt Line Rd. & Lakeshore Dr. 500 North Akard Street Dallas TX 75201-3394 Coppell, ['exas Services: Obtain samples of fresh concrete at the placement locations, perform requir~ field test and east compressive strength samples.** PROJECT DATA CONTRACTOR: Butler Construction CONCR~ CLASS: 9349 CONCRETE SUPPLIER: Pioneer Concrete PLACEMENT DATE: 04/03/1998 BATCH TIME: 9:14 am PLA~r: 27 TIME SAMPLED: 10:10 am BY: Df non Elrod SPECIFICATION REQUIREMENTS WEATHER CONOrrIONS: Sunny STRENGTH: 4000 psi ~ 28 Days TEMPERATURE (F)- AIR 71 V CO ~CRETE: 80 g SLUMP: 5" TRUCKNO: 758 TICKE~ ~O: 659250 AIR: N/A AIR co.rEar (%): N/A UNn WEIGHT (pc0: N/A TEST METHOD: AST~I C- 143 PLACEMENT LOCATION: See page 1 ASTM C- 172 ASTM C-39 SAMPLE LOCATION: I-7.5 REPORT OF TESTS AC( :UMULATIVE YARDS: 470 CYLINDER MEASURED MAXIMUM C ~)MPRESSIVE MARKED SLUMP DATE AGE LOAD STRENGTH FRACTURE SET NO. (inches) TESTED (days) (lbs. force) (psi) TYPE 5 1 5.00 04/10/1998 7 99370 3510 5 2 5.00 04/10/1998 .7 103950 3680 Average 3600 5 3 5.00 05/01/1998 28 122880 4350 5 4 5.00 05/01/1998 28 118730 4200 Average 4280 This report is exclusively for the use of thc client indicated above and shall not be reproduced except in full without the writt, :n approval of HBC Engineering, Inc. 01AK Page 5 of 7 CONCRETE COMPRF IVE STRENGTH TES 8901 Carpenter Frwy., Suite #100 Dallas, Texas 75247 Date of Service: 04/03/1998 Report No.: 9808870 Report Date 05/04/1998 Client No.: 52617000 Project No.: 43-2452-~77 Client: Lincoln Property Company Project: Coppell ~usiness Center II 3300 Lincoln Plaza/Larry Moon Belt Lin, Rd. & Lakeshore Dr. 500 North Akard Street Dallas TX 75201-3394 Coppell, Fexas Services: Obtain samples of fresh concrete at the placement locations, perform requir~ d field test and cast compressive strength samples.** PROJECT DATA CONTaACTOR: Butler Construction CONCRETE CLASS: 9349 CONCRETE SUPPLIER: Pioneer Concrete PLACEMENT DATE: 04/03/1998 BATCH TIME: 11:20 am PLANT: 27 TIME SAMPLED: 11:50 am BY: D~tmon Elrod SPECIFICATION REQUIREMENTS WEATHER CONDITIONS: Sunny STRENGTH: 4000 psi ~ 28 Days TEMPERATURE (F)- AIR 74 F CC NCRETE: 80 F SLUMP: 5" TRUCKNO: 582 TICKEI'NO: 659270 AIR: N/A AIR CONTENT (%): N/A UN~' WEIGHT (peO: N/A TEST METHOD: ASTM C- 143 PLACEMENT LOCATION: See page 1 ASTM C- 172 ASTM C-39 SAMPLE LOCATION: I-9 REPORT OF TESTS AC, .~UMULATIVE YARDS: 580 CYLINDER MEASURED MAXIMUM 'OMPRESSIVE MARKED SLUMP DATE AGE LOAD STRENGTH FRACTURE SET NO. (inches) TESTED (days) (lbs. force) (psi) TYPE 6 1 5.00 04/10/1998 7 99240 3510 6 2 5.00 04/10/1998 7 100470 3550 Average 3530 6 3 5.00 05/01/1998 28 117660 4160 6 4 5.00 05/01/1998 28 118080 4180 Average 4170 This report is exclusively for the use of the client indicated above and shall not be reproduced except in full without the writl ~n approval of HBC Engineering, Inc. 01AK Page 6 of 7 CONCRETE COMP IVE STRENGTH TES 8901 Carpenter Frwy., Suite #100 Dallas, Texas 75247 Date of Service: 04/03/1998 Report No..- 9808870 Report Date 05/04/1998 Client No.: 52617000 Project No.: 43-2452-!t7 Client: Lincoln Property Company Project: Coppell l~,usiness Center II 3300 Lincoln Plaza/Larry Moon Belt Line Rd. & Lakeshore Dr. 500 North Akard Street Dallas TX 75201-3394 Coppell, ['eTas Services: Obtain samples of fresh concrete at the placement locations, perform requir~ field test and cast compressive strength samples.** PROJECT DATA CO,fRAe'rog: Butler Construction CONCRETE CLASS: 9349 CONCRETE SUPPLIER: Pioneer Concrete PLACEMENT DATE: 04/03/1998 BATCH TIME: 1:45 pm PLANT: 27 TIME SAMPLED: 2:20 pm BY: D~ non Elrod SPECIFICATION REQUIREMENTS WEATHER CONDITIONS: Sunny STRENGTH: 4000 psi ~ 28 Days TEMPERATURE (F) - AIR 78 F co NCRETE: 80 r SLUMP: 5" TRUCKNO: 762 TICKE'[ NO: 659302 AIR: N/A AIR CONTENT (%): N/A t~n WEIGHT (pcf}: N/A TEST METHOD: AST]~ C- 143 PLACEMENT LOCATION: See page 1 ASTM C- 172 ASTM C-39 SAMPLE LOCATION: H.5-10.5 REPORT OF TESTS ACC UMULATIVE YARDS: 680 CYLINDER MEASURED MAXIMUM COMPRESSIVE MARKED SLUMP DATE AGE LOAD ,~FRENGTH FRACTURE SET NO. (inches) TESTED (days) (lbs. force) (psi) TYPE 7 1 5.00 04/10/1998 7 107870 3810 7 2 5.00 04/10/1998 7 111750 3950 Average 9880 7 3 5.00 05/01/1998 28 134000 4740 7 4 5.00 05/01/1998 28 129530 4580 Average 4660 Technician: Damon Elrod Started: 3:30 am Finished: 5:00 pm ~c. Report Distribution: (!) Lincoln Property Company (1) City ofCoppell/BIdg, lnsp. (I) Butler Construction (1) City of Coppeli/Constr. lnsp. E~e Harbour (!) O'Brien & Associates (1) Mullen & Powell Technistructures Vice President (I) AECC, Inc. This report is exclusively for the use of the client indicated above and shall not be reproduced except in full without lhe writ~ :n approval of HBC Engineering, Inc. 01AK Page 7 of 7 STATISTICAL ANALY"IS OF CONCRETE 8901 Carpenter Frwy. Suite #100 Dallas, Texas 75247 Date of Service: 05/05/1998 Report No.: 9808870~ Report Date 05/05/1998 Client No.: 52617000 Project No.: 43-24524 7 Client: Lincoln Property Company Project: Coppell E usiness Center II 3300 Lincoln Plaza/Larry Moon Belt Line Rd. & Lakeshore Dr. 500 North Akard Street Dallas TX 75201-3394 Coppell, 'exas Services: PROJECT DATA SPECIFICATION REQUIREMENTS: 4000 psi ~ 28 Days CONCRETE CLASS: 9349 REPORT OF TESTS NUMBER AIR CONCRETE COMPRESSIVE RUNNING REPORT OF SLUMP CONTENT TEMP STRENGTH 3 TEST AVG DATE NUMBER SET SAMPLES (in.) (%) (F) PS! PSI 02/10/1998 9804693 1 2 3.50 N/A 67 6805 02/27/1998 9806082 1 2 5.50 N/A 64 4695 02/27/1998 9806082 2 2 5.00 N/A 66 4455 5318 03/04/1998 9806445 01 2 4.75 N/A 62 4815 4655 03/04/1998 9806445 02 2 5.25 N/A 69 4300 4523 03/04/1998 9806445 03 2 5.00 N/A 62 4475 4530 03/04/1998 9806445 04 2 4.75 N/A 65 4695 4490 03/04/1998 9806445 05 2 4.00 N/A 65 5545 4905 03/04/1998 9806445 06 2 4.25 N/A 62 4980 5073 03/04/1998 9806445 07 2 5.00 N/A 69 4215 4913 03/04/1998 9806445 08 2 4.75 N/A 70 4910 4702 03/04/1998 9806445 09 2 5.00 N/A 72 4720 4615 03/04/1998 9806445 10 2 5.00 N/A 76 4600' 4743 03/04/1998 9806469 I 2 5.75 N/A 70 4945 4755 03/05/1998 9806553 I 2 5.00 N/A 60 4640 4728 03/05/1998 9806553 2 2 5.00 N/A 62 4150 4578 03/05/1998 9806553 3 2 5.00 N/A 70 5375 4722 This report is exclusively for the use of the client indicated above and shall not be reproduced except in full without the wrie approval of HBC Engineering, Inc. 11 Page I of 3 Report No.: 9808870A ~ "~ ~ NUMBER AIR CONCRETE COMPRESSIVE RUNNING REPORT OF SLUMP CONTENT TEMP STRENGTH 3 TEST AVG DATE NUMBER SET SAMPLES (in.) (%) (F) PSI PSI 03/05/1998 9806553 4 2 4.00 N/A 79 5740 5088 03/05/1998 9806553 5 2 4.00 N/A 72 5340 5485 03/05/1998 9806553 6 2 4.00 N/A 79 5345 5475 03/05/1998 9806553 7 2 4.00 N/A 75 4250 4978 03/05/1998 9806553 8 2 4.25 N/A 75 5875 5157 03/05/1998 9806578 1 2 6.25 N/A 70 4290 4805 03/06/1998 9806639 1 2 4.50 N/A 60 5000 5055 03/06/1998 9806639 2 2 4.50 N/A 60 5150 4813 03/06/1998 9806639 3 2 4.00 N/A 62 5190 5113 03/06/1998 9806639 4 2 5.00 N/A 62 5370 5237 03/06/1998 9806639 5 2 4.25 N/A 60 5000 5187 03/06/1998 9806639 6 2 4.00 N/A 65 4670 5013 03/12/1998 9807094 1 2 4.00 N/A 57 5315 4995 03/12/1998 9807094 2 2 4.75 N/A 59 5070 5018 03/12/1998 9807094 3 2 4.25 N/A 57 6100 5495 03/12/1998 9807094 4 2 5.00 N/A 60 5315 5495 03/12/1998 9807094 5 2 4.75 N/A 60 5840 5752 03/23/1998 9807901 1 2 5.00 N/A 64 4790 5315 03/23/1998 9807901 2 2 5.25 N/A 70 4540 5057 03/23/1998 9807901 3 2 6.00 N/A 70 4850 4727 03/23/1998 9807901 4 2 5.25 N/A 78 5285 4892 03/23/1998 9807901 5 2 5.50 N/A 80 4760 4965 03/23/1998 9807901 6 2 5.50 N/A 80 5085 5043 03/23/1998 9807903 1 2 6.50 N/A 75 5110 4985 03/24/1998 9808019 1 2 6.25 N/A 74 4180 4792 03/24/1998 9808035 1 2 7.00 N/A 71 4385 4558 03/24/1998 9808035 2 2 6.00 N/A 70 4015 4193 03/24/1998 9808035 3 2 7.50 N/A 73 4280 4227 03/26/1998 9808036 1 2 6.00 2.5 81 4490 4262 03/26/1998 9808190 1 2 5.00 N/A 73 4815 4528 03/26/1998 9808190 2 2 6.00* N/A 74 4275 4527 03/26/1998 9808190 3 2 7.00* N/A 74 4295 4462 03/26/1998 9808190 4 2 6.00* N/A 76 5170 4580 03/26/1998 9808190 5 2 7.25* N/A 69 5285 4917 03/26/1998 9808190 6 2 7.00* N/A 71 5060 5172 04/02/1998 9808768 1 2 4.75 N/A 72 4030 4792 04/02/1998 9808768 2 2 5.50 N/A 70 4000 4363 This report is exclusively for the usc of thc client indicated above and shall not be reproduced except in full without thc writl n approval of HBC Engineering, Inc. 11 Page 2 of 3 .Report No.: 9808870A ~ '~ H~ NUMBER Am CONCRETE COMPRESSIVE RUNNING REPORT OF SLUMP CONTENT TEMP STRENGTH 3 TEST AVG DATE NUMBER SET SAMPLES (in.) (%) (F) PS! PSI[ 04/02/1998 9808768 3 2 5.00 N/A 70 4635 4222 04/02/1998 9808768 4 2 5.00 N/A 70 4130 4255 04/02/1998 9808768 5 2 5.75 N/A 70 4645 4470 04/02/1998 9808768 6 2 5.00 N/A 80 4265 4347 04/02/1998 9808768 7 2 5.25 N/A 80 4195 4368 04/02/1998 9808768 8 2 5.00 N/A 80 3995 4152 04/03/1998 9808870 1 2 4.75 N/A 80 3900 4030 04/03/1998 9808870 2 2 4.75 N/A 80 4030 3975** 04/03/1998 9808870 3 2 5.00 N/A 80 4015 3982** 04/03/1998 9808870 4 2 5.00 N/A 80 4325 4123 04/03/1998 9808870 5 2 5.00 N/A 80 4275 4205 04/03/1998 9808870 6 2 5.00 N/A 80 4170 4257 04/03/1998 9808870 7 2 5.00 N/A 80 4660 4368 Two asterisks (**) appear next to the averages which do NOT meet the projE :t specifications. Average of all sets of three consecutive strenghts does NOT equal or exceed the pJ'oject specifications. Average of 67 sets = 4760 PSI ~ 28 days Standard Deviation = 583 PSI Standard Deviation is not corrected because there are 30 or more sa mples. 4000 + 1.34 * 583 = 4781 PSI 4000 + 2.33 * 583 = 4858 PSI Required Average Strength per AC1318 (89) 53.2.1 = 4858 PS~ / ACI Criteria is NOT satisfied. Technician: Eugene Harbour Ht~ IEn~j~nc. Report Distribution: ( 1 ) Lincoln PrOperty Company ( ! ) City of Coppcll/Bldg. lnsp. (1) Butler Construction (1) City of Coppell/Constr. lnsp. (1) O'Brien & Associates (1) Mullen & Powell Technistructures (1) AECC, Inc. This report is exclusively for the use of the client indicated above and shall not be reproduced except in full withom the writ~ n approval of HBC Engineering, Inc. I 1 Page 3 of 3