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Northlake College-LR071210 K l E I N F E l D E R 2211 Century Center Blvd., Suite 101, Irving, Texas 75062 972-870-0808 Metro 972-953-0398 Fax 972-870-0802 4x8 CONCRETE CYLINDER COMPRESSIVE STRENGTH REPORT TO: Dallas County Community College Dist. PROJECT: North Lake College, N Campus 1505 South Lamar, Suite 1015 W Sandy Lake Road @ SH 121 Dallas, Texas 75215 PROJECT NO: 87015 REPORT DATE: 12/10/2007 TECHNICIAN: J. Mayo REPORT NO: 117064 CONCRETE FOR: Pier caps RA-lO to M1-10, M.1-12 to R.1-12, R.1-14 to M.1-14 CYLINDER AGE DATE DATE AVG. CYLINDER CYLINDER FRACTURE TOTAL COMPRESSIVE MARK DAYS CAST TESTED DIAMETER, IN. AREA,IN.2 TYPE LOAD,LBS STRENGTH, PSI 117064A 7 11/12/07 11/19/07 4.00 12.57 3 47,350 3,770 1170648 28 11/12/07 12/10/07 4.00 12.57 3 63,680 5,070 117064C 28 11/12/07 12/10/07 4.00 12.57 3 66,200 5,270 1170640 HOLD 11/12/07 HOLD SUPPLIER: Southern Star AVERAGE 28 DAY STRENGTH: 5,170 MIX DESIGN: 000000009355 28 DAY STRENGTH REQUIREMENT: 4,000 ADDITIONAL INFORMATION IF MADE BY KLEINFELDER: ACTUAL I SPECIFIED TRUCK NO. : 39 SLUMP: 7.5 TICKET NO. : 136638 AIR TEMP. : 75 ACCUMULATED YDS : 10 of 20 MIX TEMP.: 89 TIME CAST: 1:21 PM AIR CONTENT: N/A TIME IN TRUCK: 36 min WATER ADDED (gal) : 5 WEATHER: Clear UNIT WEIGHT: N/A : FRACTURE TYPES: 1 Reasonably well-formed cones on both ends, less than 1 in. (25 mm) of cracking through caps. 2 Well-formed cone on one end, vertical cracks running through caps, no well-defined cone on other end. 3 Columnar vertical cracking through both ends, no well-formed cones. 4 Diagonal fracture with no cracking through ends; tap with hammer to distinguish from Type 1. 5 Side fractures at top or bottom (occur commonly with unbonded caps). R i . nnln'o'" NOTES: . Compressive strengths determined in accordance with ASTM C39. . Cross-sectional area, diameter and length are standard unless otherwise noted. . Portions of the information contained in this report have been furnished by others. . Cylinders cured in laboratory in accordance with ASTM C31 unless otherwise noted. . Unbonded caps utilized in accordance with ASTM C1231 unless otherwise noted. Because of the violent release of energy stored in pads, the broken cylinder rarely exhibits conical fracture typical of capped cylinders and the sketches of types of fracture in Test Method C39 are not descriptive. . Samples taken in accordance with ASTM Cl72 where practicable. . When applicable, the following test procedures were used: Slump ASTM C143; Unit Weight ASTM C13B; Air Content ASTM C173/ C231; Temperature ASTM C1064 Reports to: Starling Richardson Const.; Attn: Eric Stanaland (eps@starlingrichardson.com) KLEIN FELDER Starling Richardson Const.; Alln: Andy Munoz (amunoz@starlingrichardson.com) Ood~ DCCCD Bond Office; Attn: Brenda Spinelli (brenda.spinelli@dcccd.edu) DCCCD Bond Office; AUn: James Williams fjames.williams@dcccd.edu) DCCCD Bond Office; AUn: Mike Daniels (mike.daniels@dcccd.edu) ~oel Peters, P.E. Jacobs; Attn: Andrea Stogner (Andrea.stogner@jacobs.com) Jacobs; Attn: Jennifer Blount (Jennifer.blount@jacobs.com) 1- City of Coppell; Attn: Larry Davis 1- City of Coppell; AUn: Lee Stone The results shown on this report are for the exclusive use of the client for whom they were obtained and apply only to the samples tested and/or inspected. They are not intended to be Indicative of the qualities of apparently identical products. The use of our name must receive prior written approval. Reports must be reproduced in their entirety. K L E I N F E L D E R 2211 Century Center Blvd., Suite 101, Irving, TX 75062 972-870-0808 Metro 972-953-0398 Fax 972-870-0802 IN-PLACE MOISTURE DENSITY TEST RESUL TS To: Dallas County Community College Dist. Test Date: 12/4/2007 1505 South Lamar, Suite 1015 Project No: 87015 Dallas, Texas 75215 Report Date: 12/10/2007 Report No: 127363 Project: North Lake Colleqe, N Campus Definitions of Terms Location: W Sandy Lake Road @ SH 121 ROP- Rt Otr Point CL - Centerline Field Rep: J. Mayo LOP - Lt Otr Point Sta - Station Test Test Location Depth D Wet Field Dry Proctor Percent No. Lift D Density Moisture Density No. Proctor (%) (pet) Densitv Retests 1 SE entrance at Royal Ln. 6" 113.1 31.1 86.3 001609 101.2 2 45' E and 85' N form SE corner of 6" 108.4 33.0 81.5 001609 95.6 Area A Proctor No: Description Opt. Moisture Max. Density 001609 Lime treated brown clay 31.4 85.3 SDecs. Gauge No: 28714 Test Methods: ASTM D 2922 Dens. (%) Min 95 Std. Density Count: 2297 ASTM D 3017 Moist. (%) o to +3% Std. Moist Count: 668 ASTM D 698 Trans. Depth (in.): 6 Remarks: Reports to: Starling Richardson Const.; Attn: Eric Stanaland (eps@starlingrichardson.com) Starling Richardson Const.; Attn: Andy Munoz (amunoz@starlingrichardson.com) DCCCD Bond Office; Attn: Brenda Spinelli (brenda.spinelli@dcccd.edu) o;;:>>j DCCCD Bond Office; Attn: James Williams (james.williams@dcccd.edu) DCCCD Bond Office; Attn: Mike Daniels (mike.daniels@dcccd.edu) r...OI~ Jacobs; Attn: Andrea Stogner (Andrea.stogner@jacobs.com) , Joel Peters, 'P.E. Jacobs; Attn: Jennifer Blount (Jennifer.blount@jacobs.com) 1- City of Coppell; Attn: Larry Davis 1- City of Coppell; Attn: Lee Stone The results shown on this report are for the exclusive use of the client for whom they were obtained and apply only to the samples tested and/or inspected. They are not intended to be indicative of the qualities of apparently identical products. The use of our name must receive prior written approval. Reports must be reproduced in their entirety. K L E I N F E L 0 E R 2211 Century Center Blvd., Suite 101, Irving, TX 75062 972-870-0808 Metro 972-953-0398 Fax 972-870-0802 IN-PLACE MOISTURE DENSITY TEST RESULTS To: Dallas County Community College Dist. Test Date: 12/3/2007 1505 South Lamar, Suite 1015 Project No: 87015 Dallas, Texas 75215 Report Date: 12/10/2007 Report No: 127358 Project: North Lake College, N Campus Definitions of Terms Location: W Sandy Lake Road @ SH 121 RQP- Rt Qtr Point CL - Centerline Field Rep: J. Mayo LQP - Lt Qtr Point Sta - Station Test Test Location Depth 0 Wet Field Dry Proctor Percent No. Lift 0 Density Moisture Density No. Proctor (%) (pcf) Density Retests 1 45' E and 85' N from SE corner of 6" 84.4 28.4* 84.4 001609 98.9 Area A 2 SE entrance at Royal 6" 110.7 30.1 85.1 001609 99.8 Proctor No: Description Opt. Moisture Max. Density 001609 Lime treated brown clay 31.4 85.3 Specs. Gauge No: 28714 Test Methods: ASTM D 2922 Dens. (%) Min 95 Std. Density Count: 2289 ASTM D 3017 Moist. (%) o to +3 Std. Moist Count: 673 ASTM D 698 Trans. Depth (in.): 6 Remarks: Reports to: Starling Richardson Const.; Attn: Eric Stanaland (eps@starlingrichardson.com) Starling Richardson Const.; Attn: Andy Munoz (amunoz@starlingrichardson.com) DCCCD Bond Office; Attn: Brenda Spinelli (brenda.spinelli@dcccd.edu) tkJ;:tl- DCCCD Bond Office; Attn: James Williams Qames.williams@dcccd.edu) DCCCD Bond Office; Attn: Mike Daniels (mike.daniels@dcccd.edu) Jacobs; Attn: Andrea Stogner (Andrea.stogner@jacobs.com) , Joel Peters, P.E. Jacobs; Attn: Jennifer Blount (Jennifer.blount@jacobs.com) 1- City of Coppell; Attn: Larry Davis 1- City of Coppell; Attn: Lee Stone The results shown on this report are for the exclusive use of the client for whom they were obtained and apply only to the samples tested and/or inspected. They are not intended to be indicative of the qualities of apparently identical products, The use of our name must receive prior written approval. Reports must be reproduced in their entirety. K L E I N F E L D E R 2211 Century Center Blvd., Suite 101, Irving, Texas 75062 972-870-0808 Metro 972-953-0398 Fax 972-870-0802 4x8 CONCRETE CYLINDER COMPRESSIVE STRENGTH REPORT TO: Dallas County Community College Dist. PROJECT: North Lake College, N Campus 1505 South Lamar, Suite 1015 W Sandy Lake Road @ SH 121 Dallas, Texas 75215 PROJECT NO: 87015 REPORT DATE: 12/10/2007 TECHNICIAN: J. Mayo REPORT NO: 127001 Page 1 of 7 CONCRETE FOR: Slab on grade Area A 5' N x 15' W from the SE corner CYLINDER AGE DATE DATE AVG. CYLINDER CYLINDER FRACTURE TOTAL COMPRESSIVE MARK DAYS CAST TESTED DIAMETER, IN. AREA,IN.2 TYPE LOAD,LBS STRENGTH, PSI 127001A ~ 11/30/07 12/7/07 4.01 12.63 3 45,200 P80 127001B 11/30/07 12/28/07 127001C 11/30/07 12/28/07 1270010 HOLD 11/30/07 HOLD SUPPLIER: Southern Star AVERAGE 28 DAY STRENGTH: MIX DESIGN: 000000007772 28 DAY STRENGTH REQUIREMENT: 4,000 ADDITIONAL INFORMATION IF MADE BY KLEINFELDER: I ACTUAL I SPECIFIED TRUCK NO. : 33 SLUMP: 5.0 TICKET NO. : 1150362 AIR TEMP. : 65 ACCUMULATED YDS: 40 of 41 0 MIX TEMP. : 72 TIME CAST: 10:14 AM AIR CONTENT: N/A TIME IN TRUCK: 39min WATER ADDED (gal) : 0 WEATHER: pt. Cloudy UNIT WEIGHT: N/A : FRACTURE TYPES: 1 Reasonably well-formed cones on both ends, less than 1 in. (25 mm) of cracking through caps. 2 Well-formed cone on one end, vertical cracks running through caps, no well-defined cone on other end. 3 Columnar vertical cracking through both ends, no well-formed cones. 4 Diagonal fracture with no cracking through ends; tap with hammer to distinguish from Type 1. 5 Side fractures at top or bottom (occur commonly with un bonded caps). 6 L NOTES: . Compressive strengths determined in accordance with ASTM C39. . Cross-sectional area, diameter and length are standard unless otherwise noted. . Portions of the information contained in this report have been furnished by others. . Cylinders cured in laboratory in accordance with ASTM C31 unless otherwise noted. . Unbonded caps utilized in accordance with ASTM C1231 unless otherwise noted. Because of the violent release of energy stored in pads, the broken cylinder rarely exhibits conical fracture typical of capped cylinders and the sketches of types of fracture in Test Method C39 are not descriptive. . Samples taken in accordance with ASTM C172 where practicable. . When applicable, the following test procedures were used: Slump ASTM C143; Unit Weight ASTM C138; Air Content ASTM C173/ C231; Temperature ASTM Cl064 Reports to: Starling Richardson Const.; Attn: Eric Stanaland (eps@starlingrichardson.com) O;;;~ Starling Richardson Const.; Attn: Andy Munoz (amunoz@starlingrichardson.com) DCCCD Bond Office; Attn: Brenda Spinelli (brenda.spinelli@dcccd.edu) DCCCD Bond Office; Attn: James Williams Oames.williams@dcccd.edu) DCCCD Bond Office; Attn: Mike Daniels (mike.daniels@dcccd.edu) / Jacobs; Attn: Andrea Stogner (Andrea.stogner@jacobs.com) Joel Peters, P. E. Jacobs; Attn: Jennifer Blount (Jennifer.blount@jacobs.com) 1- City of Coppel!; Attn: Larry Davis 1- City of Coppel!; Attn: Lee Stone The results shown on this report are for the exclusive use of the client for whom they were obtained and apply only to the samples tested and/or inspected They are not intended to be indicative of the qualities of apparently identical products. The use of our name must receive prior written approval. Reports must be reproduced in their entirety. K L E I N F E L D E R 2211 Century Center Blvd., Suite 101, Irving, Texas 75062 972-870-0808 Metro 972-953-0398 Fax 972-870-0802 4x8 CONCRETE CYLINDER COMPRESSIVE STRENGTH REPORT TO: Dallas County Community College Dist. PROJECT: North Lake College, N Campus 1505 South Lamar, Suite 1015 W Sandy Lake Road @ SH 121 Dallas, Texas 75215 PROJECT NO: 87015 REPORT DATE: 12/10/2007 TECHNICIAN: J. Mayo REPORT NO: 127001 Page 2 of 7 CONCRETE FOR: Slab on grade Area A 15' W x 30' N from the SE corner CYLINDER AGE DATE DATE AVG. CYLINDER CYLINDER FRACTURE TOTAL COMPRESSIVE MARK DAYS CAST TESTED DIAMETER, IN. AREA, IN.2 TYPE LOAD, LBS STRENGTH, PSI 127002A 7 11/30/07 12/7/07 4.01 12.63 3 49,080 3,890 127002B 28 11/30/07 12/28/07 127002C 28 11/30/07 12/28/07 1270020 HOLD 11/30/07 HOLD SUPPLIER: Southern Star AVERAGE 28 DAY STRENGTH: MIX DESIGN: 000000007772 28 DAY STRENGTH REQUIREMENT: 4,000 ADDITIONAL INFORMATION IF MADE BY KLEIN FELDER: ACTUAL I SPECIFIED TRUCK NO. : 2042 SLUMP: 4.3 TICKET NO. : 1150394 AIR TEMP. : 65 ACCUMULATED YDS : 60 of 41 0 MIX TEMP. : 74 TIME CAST: 10:31 AM AIR CONTENT: N/A TIME IN TRUCK: 41 min WATER ADDED (gal): 0 WEATHER: pt. Cloudy UNIT WEIGHT: N/A : FRACTURE TYPES: 1 Reasonably well-formed cones on both ends, less than 1 in. (25 mm) of cracking through caps. 2 Well-formed cone on one end, vertical cracks running through caps, no well-defined cone on other end. 3 Columnar vertical cracking through both ends, no well-formed cones. 4 Diagonal fracture with no cracking through ends; tap with hammer to distinguish from Type 1. 5 Side fractures at top or bottom (occur commonly with unbonded caps). 6 Similar to Tun.. <; n NOTES: . Compressive strengths determined in accordance with ASTM C39. . Cross-sectional area, diameter and length are standard unless otherwise noted. . Portions of the information contained in this report have been furnished by others. . Cylinders cured in laboratory in accordance with ASTM C31 unless otherwise noted. . Un bonded caps utilized in accordance with ASTM C1231 unless otherwise noted. Because of the violent release of energy stored in pads, the broken cylinder rarely exhibits conical fracture typical of capped cylinders and the sketches of types of fracture in Test Method C39 are not descriptive. . Samples taken in accordance with ASTM C172 where practicable. . When applicable, the following test procedures were used: Slump ASTM C143: Unit Weight ASTM C138; Air ContentASTM C173/ C231; Temperature ASTM C1064 Reports to: Starling Richardson Const.; Altn: Eric Stanaland (eps@starlingrichardson.com) KLEIN FELDER Starling Richardson Const.; Altn: Andy Munoz (amunoz@starlingrichardson.com) C)&ff?~A DCCCD Bond Office; Altn: Brenda Spinelli (brenda.spinelli@dcccd.edu) DCCCD Bond Office; Altn: James Williams (james.williams@dcccd.edu) DCCCD Bond Office; Altn: Mike Daniels (mike.daniels@dcccd.edu) 7 Jacobs; Altn: Andrea Stogner (Andrea.stogner@jacobs.com) Joel Peters, P.E. Jacobs; Altn: Jennifer Blount (Jennifer.blount@jacobs.com) 1- City of Coppell; Altn: Larry Davis 1- City of Coppell; Altn: Lee Stone The results shown on this report are for the exclusive use of the client for whom they were obtained and apply only to the samples tested and/or inspected. They are not intended to be indicative of the qualities of apparently identical products. The use of our name must receive prior written approval. Reports must be reproduced in their entirety. K l E I N F E l D E R 2211 Century Center Blvd., Suite 101, Irving, Texas 75062 972-870-0808 Metro 972-953-0398 Fax 972-870-0802 4x8 CONCRETE CYLINDER COMPRESSIVE STRENGTH REPORT TO: Dallas County Community College Dist. PROJECT: North Lake College, N Campus 1505 South Lamar, Suite 1015 W Sandy Lake Road @ SH 121 Dallas, Texas 75215 PROJECT NO: 87015 REPORT DATE: 12/10/2007 TECHNICIAN: J. Mayo REPORT NO: 127001 Page 3 of 7 CONCRETE FOR: Slab on grade Area A 10' S X 25' W from the NE corner CYLINDER AGE DATE DATE AVG.CYLlNDER CYLINDER FRACTURE TOTAL COMPRESSIVE MARK DAYS CAST TESTED DIAMETER, IN. AREA,IN.2 TYPE LOAD,LBS STRENGTH, PSI 127003A 7 11/30/07 12/7/07 4.01 12.63 5 43,240 3,420 127003B 28 11/30/07 12/28/07 127003C 28 11/30/07 12/28/07 1270030 HOLD 11/30/07 HOLD SUPPLIER: Southern Star AVERAGE 28 DAY STRENGTH: MIX DESIGN: 000000007772 28 DAY STRENGTH REQUIREMENT: 4,000 ADDITIONAL INFORMATION IF MADE BY KLEINFELDER: ACTUAL I SPECIFIED TRUCK NO. : 1020 SLUMP: 8.0 TICKET NO. : 1150541 AIR TEMP. : 65 ACCUMULATED YDS : 150 of 41 0 MIX TEMP. : 71 TIME CAST: 11:04 PM AIR CONTENT: N/A TIME IN TRUCK: 24 min WATER ADDED (gal): 5 WEATHER: pt. Cloudy UNIT WEIGHT: N/A : FRACTURE TYPES: 1 Reasonably well.formed cones on both ends, less than 1 in. (25 mm) of cracking through caps. 2 Well.formed cone on one end, vertical cracks running through caps, no well.defined cone on other end. 3 Columnar vertical cracking through both ends, no well.formed cones. 4 Diagonal fracture with no cracking through ends; tap with hammer to distinguish from Type 1. 5 Side fractures at top or bottom (occur commonly with unbonded caps). 6 h"t..nn NOTES: . Compressive strengths determined in accordance with ASTM C39. . Cross.sectional area, diameter and length are standard unless otherwise noted. . Portions of the information contained in this report have been furnished by others. . Cylinders cured in laboratory in accordance with ASTM C31 unless otherwise noted. . Unbonded caps utilized in accordance with ASTM C1231 unless otherwise noted. Because of the violent release of energy stored in pads, the broken cylinder rarely exhibits conical fracture typical of capped cylinders and the sketches of types of fracture in Test Method C39 are not descriptive. . Samples taken in accordance with ASTM C172 where practicable. . When applicable, the following test procedures were used: Slump ASTM C143; Unit Weight ASTM C138; Air Content ASTM C173/ C231: Temperature ASTM C1064 Reports to: Starling Richardson Const.; Attn: Eric Stanaland (eps@starlingrichardson.com) KLEINFELDER Starling Richardson Const.; Altn: Andy Munoz (amunoz@starlingrichardson.com) Wi?k DCCCD Bond Office; Altn: Brenda Spinelli (brenda.spinelli@dcccd.edu) DCCCD Bond Office; Altn: James Williams Uames.williams@dcccd.edu) DCCCD Bond Office; Altn: Mike Daniels (mike.daniels@dcccd.edu) I Jacobs; Altn: Andrea Stogner (Andrea.stogner@jacobs.com) Joel Peters, P.E. Jacobs; Altn: Jennifer Blount (Jennifer.blount@jacobs.com) 1- City of Coppell; Altn: Larry Davis 1- City of Coppell; Altn: Lee Stone The results shown on this report are for the exclusive use of the client for whom they were obtained and apply only to the samples tested and/or inspected. They are not intended to be indicative of the qualities of apparently identical products. The use of our name must receive prior written approval. Reports must be reproduced in their entirety. K l E I N F E L D E R 2211 Century Center Blvd., Suite 101, Irving, Texas 75062 972-870-0808 Metro 972-953-0398 Fax 972-870-0802 4x8 CONCRETE CYLINDER COMPRESSIVE STRENGTH REPORT TO: Dallas County Community College Dist. PROJECT: North Lake College, N Campus 1505 South Lamar, Suite 1015 W Sandy Lake Road @ SH 121 Dallas, Texas 75215 PROJECT NO: 87015 REPORT DATE: 12/10/2007 TECHNICIAN: J. Mayo REPORT NO: 127001 Page 4 of 7 CONCRETE FOR: Slab on grade Area B 15' W x 15' N from the SE corner CYLINDER AGE DATE DATE AVG. CYLINDER CYLINDER FRACTURE TOTAL COMPRESSIVE MARK DAYS CAST TESTED DIAMETER, IN. AREA,IN.2 TYPE LOAD, LBS STRENGTH, PSI 127004A 7 11/30/07 12/7/07 4.01 12.63 5 45,310 3,590 127004B 28 11/30/07 12/28/07 127004C 28 11/30/07 12/28/07 1270040 HOLD 11/30/07 HOLD SUPPLIER: Southern Star AVERAGE 28 DAY STRENGTH: MIX DESIGN: 000000007772 28 DAY STRENGTH REQUIREMENT: 4,000 ADDITIONAL INFORMATION IF MADE BY KLEIN FELDER: ACTUAL I SPECIFIED TRUCK NO. : 1029 SLUMP: 8.875 TICKET NO. : 1150627 AIR TEMP. : 65 ACCUMULATED YDS : 1900f410 MIX TEMP. : 73 TIME CAST: 12:44 PM AIR CONTENT: N/A TIME IN TRUCK: 64min WATER ADDED (gal) : 5 WEATHER: pt. Cloudy UNIT WEIGHT: N/A : FRACTURE TYPES: 1 Reasonably well-formed cones on both ends. less than 1 in. (25 mm) of cracking through caps. 2 Well-formed cone on one end, vertical cracks running through caps, no well-defined cone on other end. 3 Columnar vertical cracking through both ends, no well-formed cones. 4 Diagonal fracture with no cracking through ends; tap with hammer to distinguish from Type 1. 5 Side fractures at top or bottom (occur commonly with unbonded caps). 6 "imil", In TVnA" 1....1 ..nrl NOTES: . Compressive strengths determined in accordance with ASTM C39. . Cross-sectional area, diameter and length are standard unless othelWise noted . Portions of the information contained in this report have been furnished by others. . Cylinders cured in laboratory in accordance with ASTM C31 unless othelWise noted. . Unbonded caps utilized in accordance with ASTM C1231 unless othelWise noted. Because of the violent release of energy stored in pads, the broken cylinder rarely exhibits conical fracture typical of capped cylinders and the sketches of types of fracture in Test Method C39 are not descriptive. . Samples taken in accordance with ASTM C172 where practicable. . When applicable, the following test procedures were used: Slump ASTM C143; Unit Weight ASTM C138; Air Content ASTM C173/ C231; Temperature ASTM C1064 Reports to: Starling Richardson Const.; Attn: Eric Stanaland (eps@starlingrichardson.com) KLEIN FELDER Starling Richardson Const.; Attn: Andy Munoz (amunoz@starlingrichardson.com) tW~r~ DCCCD Bond Office; Attn: Brenda Spinelli (brenda.spinelli@dcccd.edu) DCCCD Bond Office; Attn: James Williams (james.williams@dcccd.edu) DCCCD Bond Office; Attn: Mike Daniels (mike.daniels@dcccd.edu) 7 - Jacobs; Attn: Andrea Stogner (Andrea.stogner@jacobs.com) Joel Peters, P.E. Jacobs; Attn: Jennifer Blount (Jennifer.blount@jacobs.com) 1- City of Coppell; Attn: Larry Davis 1- City of Coppel/; Attn: Lee Stone The results shown on this report are for the exclusive use of the client for whom they were obtained and apply only to the samples tested and/or inspected. They are not intended to be Indicative of the qualities of apparently identical products. The use of our name must receive prior written approval. Reports must be reproduced in their entirety. KLEINFELDER 2211 Century Center 8Ivd., Suite 101, Irving, Texas 75062 972-870-0808 Metro 972-953-0398 Fax 972-870-0802 4x8 CONCRETE CYLINDER COMPRESSIVE STRENGTH REPORT TO: Dallas County Community College Dist. 1505 South Lamar, Suite 1015 Dallas, Texas 75215 PROJECT: North Lake College, N Campus W Sandy Lake Road @ SH 121 PROJECT NO: 87015 TECHNICIAN: J. Mayo REPORT DATE: 12/10/2007 REPORT NO: 127001 Page 5 of 7 CONCRETE FOR: Slab on grade Area 8 5' N x 30' E from the SW corner CYLINDER AGE DATE DATE AVG. CYLINDER CYLINDER FRACTURE TOTAL COMPRESSIVE MARK DAYS CAST TESTED DIAMETER, IN. AREA, IN.2 TYPE lOAD,lBS STRENGTH, PSI 127005A 7 11/30/07 12/7/07 4.01 12.63 5 42,600 3,370 1270058 28 11/30/07 12/28/07 127005C 28 11/30107 12/28/07 127005D HOLD 11/30/07 HOLD SUPPLIER: Southern Star MIX DESIGN: 000000007772 ADDITIONAL INFORMATION IF MADE BY KLEIN FELDER: AVERAGE 28 DAY STRENGTH: 28 DAY STRENGTH REQUIREMENT: 4,000 I SPECIFIED TRUCK NO. : TICKET NO. : ACCUMULATED YDS: TIME CAST: TIME IN TRUCK: WEATHER: 1032 1150945 2500f410 2:02 PM 20min pt. Cloudy SLUMP: AIR TEMP. : MIX TEMP.: AIR CONTENT: WATER ADDED (gal): UNIT WEIGHT: ACTUAL 7.5 65 71 N/A 10 N/A FRACTURE TYPES: 1 Reasonably well-formed cones on both ends. less than 1 in. (25 mm) of cracking through caps. 2 Well-formed cone on one end, vertical cracks running through caps, no well-defined cone on other end. 3 Columnar vertical cracking through both ends, no well-formed cones. 4 Diagonal fracture with no cracking through ends: tap with hammer to distinguish from Type 1. 5 Side fractures at top or bottom (occur commonly with unbonded caps). 6 .....+ _n~ r i.. nninh,ci NOTES: . Compressive strengths determined in accordance with ASTM C39. . Cross-sectional area, diameter and length are standard unless otherwise noted. . Portions of the information contained in this report have been furnished by others. . Cylinders cured in laboratory in accordance with ASTM C31 unless otherwise noted. . Unbonded caps utilized in accordance with ASTM C1231 unless otherwise noted. Because of the violent release of energy stored in pads, the broken cylinder rarely exhibits conical fracture typical of capped cylinders and the sketches of types of fracture in Test Method C39 are not descriptive. . Samples taken in accordance with ASTM C172 where practicable. . When applicable, the following test procedures were used: Slump ASTM C143; Unit Weight ASTM C138; Air Content ASTM C173/ C231; Temperature ASTM C1064 Reports to: Starling Richardson Const.; Attn: Eric Stanaland (eps@starlingrichardson.com) Starling Richardson Const.; Attn: Andy Munoz (amunoz@starlingrichardson.com) DCCCD Bond Office; Attn: Brenda Spinelli (brenda.spinelli@dcccd.edu) DCCCD Bond Office; Attn: James Williams Games.williams@dcccd.edu) DCCCD Bond Office; Attn: Mike Daniels (mike.daniels@dcccd.edu) Jacobs; Attn: Andrea Stogner (Andrea.stogner@jacobs.com) Jacobs; Attn: Jennifer Blount (Jennifer.blount@jacobs.com) 1- City of Coppell; Attn: Larry Davis 1- City of Coppell; Attn: Lee Stone The results shown on this report are for the exclusive use of the client for whom they were obtained and apply only to the samples tested andlor inspected. They are not intended to be indicative of the qualities of apparently identical products. The use of our name must receive prior written approval. Reports must be reproduced in their entirety. G;EIN~ 7 Joel Peters, P. E. K L E I N F E L D E R 2211 Century Center Blvd., Suite 101, Irving, Texas 75062 972-870-0808 Metro 972-953-0398 Fax 972-870-0802 4x8 CONCRETE CYLINDER COMPRESSIVE STRENGTH REPORT TO: Dallas County Community College Dist. PROJECT: North Lake College, N Campus 1505 South Lamar, Suite 1015 W Sandy Lake Road @ SH 121 Dallas, Texas 75215 PROJECT NO: 87015 REPORT DATE: 12/10/2007 TECHNICIAN: J. Mayo REPORT NO: 127001 Page 6 of 7 CONCRETE FOR: Slab on grade Area B 25' S x 40' W from the NE corner CYLINDER AGE DATE DATE AVG. CYLINDER CYLINDER FRACTURE TOTAL COMPRESSIVE MARK DAYS CAST TESTED DIAMETER, IN. AREA,IN.2 TYPE LOAD, LBS STRENGTH, PSI 127006A 7 11/30/07 12/7/07 4.01 12.63 5 49,790 3,940 127006B 28 11/30/07 12/28/07 127006C 28 11/30/07 12/28/07 1270060 HOLD 11/30/07 HOLD SUPPLIER: Southern Star AVERAGE 28 DAY STRENGTH: MIX DESIGN: DOOOOOOO7772 28 DAY STRENGTH REQUIREMENT: 4,000 ADDITIONAL INFORMATION IF MADE BY KLEIN FELDER: I ACTUAL SPECIFIED TRUCK NO. : 906 SLUMP: 6.0 TICKET NO. : 1151011 AIR TEMP. : 65 ACCUMULATED YDS : 300 of 410 MIX TEMP.: 71 TIME CAST: 2:46 PM AIR CONTENT: N/A TIME IN TRUCK: 46min WATER ADDED (gal) : 10 WEATHER: PI. Cloudy UNIT WEIGHT: N/A : FRACTURE TYPES: 1 Reasonably well-formed cones on both ends, less than 1 in. (25 mm) of cracking through caps. 2 Well-formed cone on one end, vertical cracks running through caps, no well-defined cone on other end. 3 Columnar vertical cracking through both ends, no well-formed cones. 4 Diagonal fracture with no cracking through ends; tap with hammer to distinguish from Type 1. 5 Side fractures at top or bottom (occur commonly with un bonded caps). 6 "" . \TVnA !'i NOTES: ' Compressive strengths determined in accordance with ASTM C39. . Cross-sectional area, diameter and length are standard unless otherwise noted. . Portions of the information contained in this report have been furnished by others. . Cylinders cured in laboratory in accordance with ASTM C31 unless otherwise noted. . Unbonded caps utilized in accordance with ASTM C1231 unless otherwise noted. Because of the violent release of energy stored in pads, the broken cylinder rarely exhibits conical fracture typical of capped cylinders and the sketches of types of fracture in Test Method C39 are not descriptive. , Samples taken in accordance with ASTM C172 where practicable. . When applicable, the following test procedures were used: Slump ASTM C143; Unit Weight ASTM C 138; Air Content ASTM C 173 I C231; Temperature ASTM C 1 064 Reports to: Starling Richardson Consl.; Alln: Eric Stanaland (eps@starlingrichardson.com) KLEIN FELDER Starling Richardson Consl.; Alln: Andy Munoz (amunoz@starlingrichardson.com) rAbdJ f?~ DCCCD Bond Office; Alln: Brenda Spinelli (brenda.spinelli@dcccd.edu) DCCCD Bond Office; Alln: James Williams Uames.williams@dcccd.edu) DCCCD Bond Office; Alln: Mike Daniels (mike.daniels@dcccd.edu) I Joel Peters, P.E. Jacobs; Alln: Andrea Stogner (Andrea.stogner@jacobs.com) Jacobs; Alln: Jennifer Blount (Jennifer.blount@jacobs.com) 1- City of Coppell; Alln: Larry Davis 1- City of Coppell; Alln: Lee Stone The results shown on this report are for the exclusive use of the client for whom they were obtained and apply only to the samples tested and/or inspected. They are not intended to be indicative of the qualities of apparently identical products. The use of our name must receive prior written approval. Reports must be reproduced in their entirety. K L E I N F E L D E R 2211 Century Center 8Ivd., Suite 101, Irving, Texas 75062 972-870-0808 Metro 972-953-0398 Fax 972-870-0802 4x8 CONCRETE CYLINDER COMPRESSIVE STRENGTH REPORT TO: Dallas County Community College Dist. PROJECT: North Lake College, N Campus 1505 South Lamar, Suite 1015 W Sandy Lake Road @ SH 121 Dallas, Texas 75215 PROJECT NO: 87015 REPORT DATE: 12/10/2007 TECHNICIAN: J. Mayo REPORT NO: 127001 Page 7 of 7 CONCRETE FOR: Slab on grade Area 8 55' W x 15' S from the NW corner CYLINDER AGE DATE DATE AVG. CYLINDER CYLINDER FRACTURE TOTAL COMPRESSIVE MARK DAYS CAST TESTED DIAMETER, IN. AREA,IN.2 TYPE LOAD, LBS STRENGTH, PSI 127007A 7 11/30/07 12/7/07 4.01 12.63 3 49,720 3,940 1270078 28 11/30/07 12/28/07 127007C 28 11/30/07 12/28/07 1270070 HOLD 11/30/07 HOLD SUPPLIER: Southern Star AVERAGE 28 DAY STRENGTH: MIX DESIGN: DOOOOOO07772 28 DAY STRENGTH REQUIREMENT: 4,000 ADDITIONAL INFORMATION IF MADE BY KLEIN FELDER: ACTUAL I SPECIFIED TRUCK NO. : 906 SLUMP: 5.5 TICKET NO. : 1151120 AIR TEMP. : 65 ACCUMULATED YDS : 360 of 370 MIX TEMP. : 72 TIME CAST: 4:03 PM AIR CONTENT: N/A TIME IN TRUCK: 48min WATER ADDED (gal): 0 WEATHER: pt. Cloudy UNIT WEIGHT: N/A : FRACTURE TYPES: 1 Reasonably well-formed cones on both ends, less than 1 in. (25 mm) of cracking through caps. 2 Well-formed cone on one end, vertical cracks running through caps, no well-defined cone on other end. 3 Columnar vertical cracking through both ends, no well-formed cones. 4 Diagonal fracture with no cracking through ends; tap with hammer to distinguish from Type 1 . 5 Side fractures at top or bottom (occur commonly with un bonded caps). R 5 NOTES: . Compressive strengths determined in accordance with ASTM C39. . Cross-sectional area, diameter and length are standard unless otherwise noted. . Portions of the information contained in this report have been furnished by others. . Cylinders cured in laboratory in accordance with ASTM C31 unless otherwise noted. . Unbonded caps utilized in accordance with ASTM C1231 unless otherwise noted. Because of the violent release of energy stored in pads, the broken cylinder rarely exhibits conical fracture typical of capped cylinders and the sketches of types of fracture in Test Method C39 are not descriptive. . Samples taken in accordance with ASTM C172 where practicable. . When applicable, the following test procedures were used: Slump ASTM C143: Unit Weight ASTM C138; Air Content ASTM C173/ C231; Temperature ASTM C1064 Reports to: Starling Richardson Const.; AUn: Eric Stanaland (eps@starlingrichardson.com) KLEIN FELDER Starling Richardson Const.; AUn: Andy Munoz (amunoz@starlingrichardson.com) CoL ~ DCCCD Bond Office; AUn: Brenda Spinelli (brenda.spinelli@dcccd.edu) DCCCD Bond Office; Attn: James Williams Qames.williams@dcccd.edu) DCCCD Bond Office; Attn: Mike Daniels (mike.daniels@dcccd.edu) / Joel Peters, P.E. Jacobs; AUn: Andrea Stogner (Andrea.stogner@jacobs.com) Jacobs; AUn: Jennifer Blount (Jennifer.blount@jacobs.com) 1- City of Coppell; Attn: Larry Davis 1- City of Coppell; Attn: Lee Stone The results shown on this report are for the exclusive use of the client for whom they were obtained and apply only to the samples tested and/or inspected. They are not intended to be indicative of the qualities ot apparently identical products. The use of our name must receive prior written approvaL Reports must be reproduced in their entirety.