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Northlake College-LR071228 (2) KlEINFElDER 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. 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 CONCRETE FOR: Pavement SE side of Area A 60' S x 20' W REPORT DATE: 12/28/2007 REPORT NO: 127084 Page 1 of 7 CYLINDER AGE DATE DATE AVG. CYLINDER CYLINDER FRACTURE TOTAL COMPRESSIVE MARK DAYS CAST TESTED DIAMETER, IN. AREA, IN.2 TYPE LOAD,LBS STRENGTH, PSI 127084A 5 12/20/07 12/25/07 4.00 12.57 5 55,840 4,440 127084B 7 12/20/07 12/27/07 4.00 12.57 3 58,820 4,680 127084C 28 12/20/07 1/17/08 1270840 28 12/20/07 1/17/08 127084E HOLD 12/20/07 HOLD SUPPLIER: Southern Star MIX DESIGN: D00000007725 ADDITIONAL INFORMATION IF MADE BY KLEINFELDER: AVERAGE 28 DAY STRENGTH: 28 DAY STRENGTH REQUIREMENT: 4,000 TRUCK NO. : TICKET NO. : ACCUMULATED YDS: TIME CAST: TIME IN TRUCK: WEATHER: 1015 1163721 20 of 400 4:32 AM 77 min Clear I SLUMP: AIR TEMP. : MIX TEMP. : AIR CONTENT: WATER ADDED (gal) : UNIT WEIGHT: ACTUAL 4.25 50 71 2.9 o N/A SPECIFIED I 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). F\ ,",,,, on" . , nnon'a" 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 C13B; Air Content ASTM C173 / C231; Temperature ASTM C1064 Reports to: Starling Richardson Const.; Altn: Eric Stanaland (eps@starlingrichardson.com) Starling Richardson Const.; AlIn: Andy Munoz (amunoz@starlingrichardson.com) 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) Jacobs; Altn: Andrea Stogner (Andrea.stogner@jacobs.com) Jacobs; Altn: Jennifer Blount (Jennifer.blount@jacobs.com) 1- City of Coppell; Altn: Larry Davis 1- City of Coppeli; 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. /' KLEINFELDER (Jv 1f:L /I 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: 12/28/2007 TECHNICIAN: J. Mayo REPORT NO: 127084 Page 2 of 7 CONCRETE FOR: Pavement SE corner of Area A 60' Ex 100' S CYLINDER AGE DATE DATE AVG. CYLINDER CYLINDER FRACTURE TOTAL COMPRESSIVE MARK DAYS CAST TESTED DIAMETER, IN. AREA,IN.2 TYPE LOAD, LBS STRENGTH, PSI 127085A 5 12/20/07 12/25/07 4.00 12.57 5 44,910 3,570 127085B 7 12/20/07 12/27/07 4.00 12.57 5 42,490 3,380 127085C 28 12/20/07 1/17/08 1270850 28 12/20/07 1/17/08 127085E HOLD 12/20/07 HOLD SUPPLIER: Southern Star AVERAGE 28 DAY STRENGTH: MIX DESIGN: 000000007725 28 DAY STRENGTH REQUIREMENT: 4,000 ADDITIONAL INFORMATION IF MADE BY KLEINFELDER: ACTUAL I SPECIFIED 1 TRUCK NO. : 33 SLUMP: 9.5 TICKET NO. : 1163732 AIR TEMP. : 50 ACCUMULATED YDS : 700f410 MIX TEMP.: 70 TIME CAST: 5:18 AM AIR CONTENT: 4.1 TIME IN TRUCK: 68min WATER ADDED (gal): 10 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). 6 -. - - 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 C 1231 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) u;;;;;~.~ 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 (james.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: 12/28/2007 TECHNICIAN: J. Mayo REPORT NO: 127084 Page 3 of 7 CONCRETE FOR: Pavement SE corner of Area A 60' E X 70' S x 40' E CYLINDER AGE DATE DATE AVG. CYLINDER CYLINDER FRACTURE TOTAL COMPRESSIVE MARK DAYS CAST TESTED DIAMETER, IN. AREA,IN.2 TYPE LOAD, LBS STRENGTH, PSI 127086A 5 12/20/07 12/25/07 4.00 12.57 5 48,900 3,890 127086B 7 12/20/07 12/27/07 4.00 12.57 5 48,410 3,850 127086C 28 12/20/07 1/17/08 1270860 28 12/20/07 1/17/08 127086E HOLD 12/20/07 HOLD SUPPLIER: Southern Star AVERAGE 28 DAY STRENGTH: MIX DESIGN: 000000007725 28 DAY STRENGTH REQUIREMENT: 4,000 ADDITIONAL INFORMATION IF MADE BY KLEINFELDER: I ACTUAL SPECIFIED TRUCK NO. : 905 SLUMP: 8.0 TICKET NO. : 1163759 AIR TEMP.: 50 ACCUMULATED YDS : 150 of 400 MIX TEMP. : 71 TIME CAST: 6:11 AM AIR CONTENT: 3.9 TIME IN TRUCK: 61 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). f\ . . ~... 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 C 1231 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.; Altn: Eric Stanaland (eps@starlingrichardson.com) rKLEINFELDER Starling Richardson Const.; Altn: Andy Munoz (amunoz@starlingrichardson.com) DCCCD Bond Office; Altn: Brenda Spinelli (brenda.spinelli@dcccd.edu) (Ah/~ B DCCCD Bond Office; Altn: James Williams (james.williams@dcccd.edu) DCCCD Bond Office; Altn: Mike Daniels (mike.daniels@dcccd.edu) V 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 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: 12/28/2007 TECHNICIAN: J. Mayo REPORT NO: 127084 Page 4 of 7 CONCRETE FOR: Pavement SE corner of Area A 50' E X 80' S x 40' E CYLINDER AGE DATE DATE AVG. CYLINDER CYLINDER FRACTURE TOTAL COMPRESSIVE MARK DAYS CAST TESTED DIAMETER, IN. AREA,IN.2 TYPE LOAD,LBS STRENGTH, PSI 127087A 5 12/20/07 12/25/07 4.00 12.57 5 44,300 3,530 1270878 7 12/20/07 12/27/07 4.00 12.57 5 45,660 3,630 127087C 28 12/20/07 1/17/08 1270870 28 12/20/07 1/17/08 127087E HOLD 12/20/07 HOLD SUPPLIER: Southern Star AVERAGE 28 DAY STRENGTH: MIX DESIGN: 000000007725 28 DAY STRENGTH REQUIREMENT: 4,000 ADDITIONAL INFORMATION IF MADE BY KLEINFELDER: ACTUAL SPECIFIED I TRUCK NO. : 2 SLUMP: 8.75 TICKET NO. : 1163791 AIR TEMP. : 55 ACCUMULATED YDS : 200 of 400 MIX TEMP. : 73 TIME CAST: 6:49 AM AIR CONTENT: 4.0 TIME IN TRUCK: 64 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). 6 C::;~;I~r 'n T,,~ " '. nn'n'orl 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 C 172 where practicable. . When applicable, the following test procedures were used: Slump ASTM C 143; Unit Weight ASTM C138; Air Content ASTM C1731 C231; Temperature ASTM C1064 . Reports to: Starling Richardson Canst.; Attn: Eric Stanaland (eps@starlingrichardson.com) KLEIN FELDER Starling Richardson Canst.; Attn: Andy Munoz (amunoz@starlingrichardson.com) [1f~~ 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) f/ Jacobs; Altn: Andrea Stogner (Andrea.stogner@jacobs.com) Joel Peters, P.E. Jacobs; Altn: Jennifer Blount (Jennifer.blount@jacobs.com) 1- City of Coppell; AUn: 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 inspeeled. 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 ER 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: 12/28/2007 TECHNICIAN: J. Mayo REPORT NO: 127084 Page 5 of 7 CONCRETE FOR: Pavement from Royal Ln. NE entrance 180' W x 15 (firelane) CYLINDER AGE DATE DATE AVG. CYLINDER CYLINDER FRACTURE TOTAL COMPRESSIVE MARK DAYS CAST TESTED DIAMETER, IN. AREA, IN.2 TYPE LOAD,LBS STRENGTH, PSI 127088A 5 12/20/07 12/25/07 4.00 12.57 5 49,970 3,980 127088B 7 12/20/07 12/27/07 4.00 12.57 3 53,910 4,290 127088C 28 12/20/07 1/17/08 1270880 28 12/20/07 1/17/08 127088E HOLD 12/20/07 HOLD SUPPLIER: Southern Star AVERAGE 28 DAY STRENGTH: MIX DESIGN: DOOOOOOO7725 28 DAY STRENGTH REQUIREMENT: 4,000 ADDITIONAL INFORMATION IF MADE BY KLEIN FELDER: I ACTUAL SPECIFIED . I TRUCK NO. : 1020 SLUMP: 6.25 TICKET NO. : 1163827 AIR TEMP.: 60 ACCUMULATED YDS : 250 of 400 MIX TEMP. : 72 TIME CAST: 7:39 AM AIR CONTENT: 4.4 TIME IN TRUCK: 79min WATER ADDED (gal): 0 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). " . nn;nt<>rl 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) (b/f?-AA- DCCCD Bond Office; AUn: Brenda Spinelli (brenda.spine"i@dcccd.edu) DCCCD Bond Office; AUn: James Williams (james.williams@dcccd.edu) DCCCD Bond Office; AUn: Mike Daniels (mike.daniels@dcccd.edu) 7. -. -, Jacobs; AUn: Andrea Stogner (Andrea.stogner@jacobs.com) Joel Peters, P.E. Jacobs; AUn: Jennifer Blount (Jennifer.blount@jacobs.com) 1- City of Coppe"; AUn: Larry Davis 1- City of Coppe"; 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, 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: 12/28/2007 TECHNICIAN: J. Mayo REPORT NO: 127084 Page 6 of 7 CONCRETE FOR: Pavement from Royal Ln. NE entrance 150' W (firelane) CYLINDER AGE DATE DATE AVG. CYLINDER CYLINDER FRACTURE TOTAL COMPRESSIVE MARK DAYS CAST TESTED DIAMETER, IN. AREA, IN.2 TYPE LOAD, LBS STRENGTH, PSI 127089A 5 12/20/07 12/25/07 4.00 12.57 5 41 ,800 3,330 127089B 7 12/20/07 12/27/07 4.00 12.57 3 45,560 3,630 127089C 28 12/20/07 1/17/08 1270890 28 12/20/07 1/17/08 127089E HOLD 12/20/07 HOLD SUPPLIER: Southern Star AVERAGE 28 DAY STRENGTH: MIX DESIGN: 000000007725 28 DAY STRENGTH REQUIREMENT: 4,000 ADDITIONAL INFORMATION IF MADE BY KLEINFELDER: ACTUAL I SPECIFIED I TRUCK NO. : 33 SLUMP: 8.0 TICKET NO. : 1163988 AIR TEMP.: 60 ACCUMULATED YDS : 300 of 400 MIX TEMP.: 68 TIME CAST: 8:17 AM AIR CONTENT: 4.7 TIME IN TRUCK: 57min 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). 6 C:;~il~r 'n T,,~ " . , nnintAd 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 Canst.; Attn: Eric Stanaland (eps@starlingrichardson.com) KLEIN FELDER Starling Richardson Canst.; Attn: Andy Munoz (amunoz@starlingrichardson.com) (W~~L- DCCCD Bond Office; Attn: Brenda Spinelli (brenda.spinelli@dcccd.edu) DCCCD Bond Office; Attn: James Williams (james.williams@dcccd.edu) DCCCD Bond Office; AUn: Mike Daniels (mike.daniels@dcccd.edu) I Jacobs; Attn: Andrea Stogner (Andrea.stogner@jacobs.com) Joel Peters, P.E. Jacobs; AUn: Jennifer Blount (Jennifer.blount@jacobs.com) 1- City of Coppell; AUn: 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. 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: 12/28/2007 TECHNICIAN: J. Mayo REPORT NO: 127084 Page 7 of 7 CONCRETE FOR: Pavement from Royal Ln. firelane entrance 45' W CYLINDER AGE DATE DATE AVG.CYLlNDER CYLINDER FRACTURE TOTAL COMPRESSIVE MARK DAYS CAST TESTED DIAMETER, IN. AREA,IN.2 TYPE LOAD, LBS STRENGTH, PSI 127090A 5 12/20/07 12/25/07 4.00 12.57 5 48,290 3,840 127090B 7 12/20/07 12/27/07 4.00 12.57 3 52,100 4,150 127090C 28 12/20/07 1/17/08 1270900 28 12/20/07 1/17/08 127090E HOLD 12/20/07 HOLD SUPPLIER: Southern Star AVERAGE 28 DAY STRENGTH: MIX DESIGN: 000000007725 28 DAY STRENGTH REQUIREMENT: 4,000 ADDITIONAL INFORMATION IF MADE BY KLEINFELDER: ACTUAL I SPECIFIED TRUCK NO. : 5019 SLUMP: 6.0 TICKET NO. : 1164094 AIR TEMP. : 60 ACCUMULATED YDS : 350 of 400 MIX TEMP.: 70 TIME CAST: 9:14 AM AIR CONTENT: 4.8 TIME IN TRUCK: 64min 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). A ~imil"r .^ TU~d" ...... dn'" 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 I C231; Temperature ASTM C1064 Reports to: Starling Richardson Const.; Attn: Eric Stanaland (eps@starlingrichardson.com) O;;~~ Starling Richardson Const.; Attn: Andy Munoz (amunoz@starlingrichardson.com) OCCCD Bond Office; Attn: Brenda Spinelli (brenda.spinelli@dcccd.edu) OCCCD Bond Office; Attn: James Williams Qames.williams@dcccd.edu) OCCCD 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 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.