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Northlake College-LR071018 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. '.1 PRO~I;CT: North Lake College, N Campus 1505 South Lamar, Suite 1015 W Sandy Lake Road @ SH 121 Dallas, Texas 75215 PROJECT NO: 87015 , "- REPORT DATE: 10/18/2007 TECHNICIAN: J. Mayo REPORT NO: 107036 Page 1 of 2 I CONCRETE FOR: Piers N-35, N-6, N-55 and N-4 I CYLINDER AGE DATE DATE AVG. CYLINDER CYLINDER FRACTURE TOTAL COMPRESSIVE MARK DAYS CAST TESTED DIAMETER, IN. AREA, IN.2 TYPE LOAD, LBS STRENGTH, PSI .....-....-- 107036A 7 10/11/07 10/18/07 400 12.57 3 36,560 2,910 107036B 28 10/11/07 11/8/07 107036C 28 10/11/07 11/8/07 1070360 HOLD 10/11/07 HOLD SUPPLIER: Southern Star AVERAGE 28 DAY STRENGTH: MIX DESIGN: DOOOOOOO7781 28 DAY STRENGTH REQUIREMENT: 3,000 ADDITIONAL INFORMATION IF MADE BY KLEINFELDER: I ACTUAL SPECIFIED TRUCK NO. : 103 SLUMP: 60 TICKET NO. : 1111241 AIR TEMP. : 90 ACCUMULATED YDS : 20 of 20 MIX TEMP. : 92 TIME CAST: 2:03 PM AIR CONTENT: N/A TIME IN TRUCK: 43 min WATER ADDED (gal) : 0 WEATHER: Clear UNIT WEIGHT: N/A RcMARK~: FRACTURE TYPES: Reasonably well-formed cones on both ends. less than 1 In. (25 mm) of cracking through caps L Well-formed cone on one end, vertical cracks running through caps, no well-defined cone on other end. " 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 < Side fractures at top or bottom (occur commonly With unbonded caps) c 6 Similar to Tvne 5 but end of cvlinder i~ nointed. 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 accordanoe with ASTM C31 unless o:herwlse noted. Unbonded caps utilized in accordance with ASTM C 1231 unless otherwise noted. Beoause 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 descrrptive . Samples taken In accordance with ASTM C172 where practicable. . When applicable, the follOWing test procedures were used: Slump ASTM C143: Unll Welght/ISTM Cn8; Air Content ASTM C173 / C231; Temperature ASTM C1 064 Reports to. Starling Richardson Canst.. Attn: Eric Stanaland (eps@starlingrlchardsoncom) KLEINFELDER Starling Richardson Cons\.; Attn: Andy Munoz (amunoz@starlingrichardson.com) /) ~/?~ DCCCD Bond Office; Attn: Brenda Spinelli (brenda.spinelli@dcccdedu) J / '.-" ,/; i, i,_ )(;{f /t:e0 DCCCD Bond Office; Attn: James Williams Uames.williams@dcccd,edu) I .~ DCCCD Bond Office; Attn Mike Daniels (mikedaniels@dcccd.edu) "'\ T / Jacobs Attn Andrea Stogner (Andrea.stogner@jacobs.com) l Joel Peters, P,E. Jacobs. Attn Jennifer Blount (Jennifer blount@jacobscom) 1.. City of Coppell; Attn: Larry Davis 1.. City of Coppell; Attn: Lee Stone The 'esults shr::wn on this report are for the exclUSive use of the client for whom they were oUained and apply only to the samples tested and/or Inspected They are not intended to be i,~,dlcat!ve of the qualities of apparently Identical products The use of our name must receive prior written approval. ~eports 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: 10/18/2007 TECHNICIAN: J. Mayo REPORT NO: 107036 Page 2 of 2 I CONCRETE FOR: Piers 0-14, 0-16 and 0-18 I CYLINDER AGE DATE DATE AVG. CYLINDER CYLINDER FRACTURE TOTAL COMPRESSIVE MARK DAYS CAST TESTED DIAMETER, IN. AREA, IN.2 TYPE LOAD,LBS STRENGTH, PSI 107037 A 7 10/11/07 10/18/07 4.00 12.57 2 37,810 3,010 1070378 28 10/11/07 11/8/07 107037C 28 10/11/07 11/8/07 1070370 HOLD 10/11/07 HOLD SUPPLIER: Southern Star AVERAGE 28 DAY STRENGTH: MIX DESIGN: 000000007781 28 DAY STRENGTH REQUIREMENT: 3,000 ADDITIONAL INFORMATION IF MADE BY KLEINFELDER: ACTUAL I SPECIFIED TRUCK NO. : 6018 SLUMP: 58 TICKET NO. : 1111486 AIR TEMP. : 90 ACCUMULATED YDS : 40 of 40 MIX TEMP. : 94 TIME CAST: 5:14 PM AIR CONTENT: N/A TIME IN TRUCK: 45 min WATER ADDED (gal) : 0 WEATHER: Clear UNIT WEIGHT: N/A REMARKS: 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 Similar to Tvo~ 5 but end of cvlinder is oOlnted NOTES . Compressive strengths determined in accordance with ASTM C39 . Cross-sectional area. diameter and length are standard unless othenwise noted. . Portions of the information contained in thiS report have been furnished by others . Cylinders cured in laboratory in accordance with ASTM C31 unless othelWlse noted. . Unbonded caps utilized In accordance With ASTM C1231 unless othenwise 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 i C231, Temperature ASTM C1 064 Reports to Starling Richardson Const.; Attn: Eric Stanaland (eps@starlingrichardson.com) /__\ KLEINFELDER . Starling Richardson Const.; Attn Andy Munoz (amunoz@starlingrichardsoncom) DCCCO Bond Office; Attn: Brenda Spinelli (brenda.splnelli@dcccdedu) vd1?~ OCCCD Bond Office; Attn: James Williams Uames.wrlliams@dcccdedu) \.,.Ail 'p 1.-7 OCCCD Bond Office; Attn: Mike Daniels (mike.daniels@dcccdedu) YJOel Peters, P.E. Jacobs Attn: Andrea Stogner (Andrea.stogner@jacobscom) Jacobs. Attn: Jennifer Blount (Jenniferblount@jacobs com) 1- City of Coppell; Attn Larry Davis 1- City of Coppell; Attn: Lee Stone The resuits shown on this report are for the exclUSive use of the cliellt for whom they were ob~ained and apply only to the samples tested and/or inspected They are not Intended to be IndicatIve of the qualities of apparently Identical produc~s The use of our name IlLst receive prior written approval Reports must be reproduced in their entirety I 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 Oist. 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: 10/18/2007 TECHNICIAN: J. Mayo REPORT NO: 107038 Page 1 of 5 I CONCRETE FOR: Piers L-2, L-5.5 and L-35 I CYLINDER AGE DATE DATE AVG. CYLINDER CYLINDER FRACTURE TOTAL COMPRESSIVE MARK DAYS CAST TESTED DIAMETER, IN. AREA,IN.2 TYPE LOAD, LBS STRENGTH, PSI 107038A 7 10/10/07 10/17/07 4.01 12.63 3 25,240 2.000 107038B 28 10/10/07 11/7/07 107038C 28 10/10/07 11/7/07 1070380 HOLD 10/10/07 HOLD SUPPLIER: Southern Star AVERAGE 28 DAY STRENGTH: MIX DESIGN: 000000007781 28 DAY STRENGTH REQUIREMENT: 3,000 ADDITIONAL INFORMATION IF MADE BY KLEIN FELDER: ACTUAL I SPECIFIED TRUCK NO. : 39 SLUMP: 4.8 TICKET NO. : 1109902 AIR TEMP. : 90 ACCUMULATED YDS : 20 of 20 MIX TEMP. : 94 TIME CAST: 1249 PM AIR CONTENT: N/A TIME IN TRUCK: 49 min 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) 6 Similar to T'me 5 but pnd nf cvlinder is nointed NOTES . Compressive strengths determined in accordance With ASTM C39 . Cross-sectional area, diameter and length are standard unless othenwise noted. . Portions of the information contained in this report have been furnished by others. . Cylinders cured in laboratory in accordance with ASTM C31 unless othenwlse noted. Unbonded caps utilized in accordance with ASTM C1231 unless othenwlse 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.; Attn: Andy Munoz (amunoz@starlingrichardsoncom) /'\) DCCCD Bond Office; Attn: Brenda Spinelli (brenda.spinelli@dcccd.edu) /)Q, /PJ2 DCCCD Bond Office; Attn. James Williams Uames.williams@dcccdedu) , "'/( l'/ ;!~ DCCCD Bond Office; Attn: Mike Daniels (mike.danlels@dcccd.edu) / Jacobs. Attn Andrea Stogner (Andrea.stogner@jacobs.com) Joel Peters, P.E. Jacobs. Attn Jennifer Blount (Jennifer.blount@Jacobscom) 1- City of Coppell; Attn; Larry Davis 1- City of Coppell; Attn: Lee Stone The ~esulls shown ::m thiS report are for the exclUSive use of the dent for '....:hom they were obtained and apply only to the sample:; tested and/or Inspected They are not intended to be ndicatlve 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: 10/18/2007 TECHNICIAN: J Mayo REPORT NO: 107038 Page 2 of 5 I CONCRETE FOR: Piers 0-22, S-20 and S-18 ! CYLINDER AGE DATE DATE AVG. CYLINDER CYLINDER , FRACTURE TOTAL COMPRESSIVE MARK DAYS CAST TESTED DIAMETER, IN. AREA, IN.2 TYPE LOAD, LBS STRENGTH, PSI 107039A 7 10/10/07 10/17/07 401 12.63 2 44,950 3.560 1070398 28 10/10/07 11/7/07 107039C 28 10/10/07 11/7/07 1070390 HOLD 10/10/07 HOLD SUPPLIER: Southern Star AVERAGE 28 DAY STRENGTH: MIX DESIGN: 000000007781 28 DAY STRENGTH REQUIREMENT: 3,000 ADDITIONAL INFORMATION IF MADE BY KLEINFELDER: r ACTUAL SPECIFIED 1 TRUCK NO. : 6224 SLUMP: 7.0 TICKET NO. : 1110245 AIR TEMP. : 90 ACCUMULATED YDS : 30 of 50 MIX TEMP. : 93 TIME CAST: 501 PM AIR CONTENT: N/A TIME IN TRUCK: 46 min WATER ADDED (gal) : 0 WEATHER: Clear UNIT WEIGHT: N/A REMARKS: 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 Simil"r to Tvnp 5 bill end of cvlinrlpr i- nninted 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' U nbonded 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 Cl72 where praclicable . 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) /] KLEINFELDER Starling Richardson Canst.; Attn Andy Munoz (amunoz@starlingrichardson.com) i)CffJ1!dd1 OCCCD Bond Office; Attn: Brenda Spinelli (brenda.spinelli@dcccdedu) DCCCD Bond Office; Attn: James Williams Uames.williams@dcccd.edu) , . ' j/ .I.-J DCCCD Bond Office; Attn: Mike Daniels (mikedaniels@dcccd.edu) I Jacobs: Attn Andrea Stogner (Andrea.stogner@jacobscom) Joel Peters, P.E. Jacobs: Attn Jennifer Blount (Jenniferblount@jacobs.com) 1- City of Coppell; Attn Larry Davis 1- City of Coppell; Attn Lee Stone The results shown on thiS report are far the exclUSive use of the client for \11th om they '"",'ere obtained and apply only to the samples tested and/or inspected They are not intended to be Indlcallve of the qualities of apparently Identical praduc:s The use af 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: 10/18/2007 TECHNICIAN: J. Mayo REPORT NO: 107038 Page 3 of 5 I CONCRETE FOR: Piers S-22, S-20, S-18 and S-16 I CYLINDER AGE DATE DATE AVG. CYLINDER CYLINDER FRACTURE TOTAL COMPRESSIVE MARK DAYS CAST TESTED DIAMETER, IN. AREA, IN.2 TYPE LOAD, LBS STRENGTH, PSI 107040A 7 10/10/07 10/17/07 4.01 12.63 3 40,260 3,190 107040B 28 10/10/07 11/7/07 107040C 28 10/10/07 11/7/07 1070400 HOLD 10/10/07 HOLD SUPPLIER: Southern Star AVERAGE 28 DAY STRENGTH: MIX DESIGN: 000000007781 28 DAY STRENGTH REQUIREMENT: 3,000 ADDITIONAL INFORMATION IF MADE BY KLEINFELDER: ACTUAL SPECIFIED I TRUCK NO. : 6222 SLUMP: 6.8 TICKET NO. : 1110278 AIR TEMP. : 90 ACCUMULATED YDS : 50 of 50 MIX TEMP. : 92 TIME CAST: 545 PM AIR CONTENT: N/A TIME IN TRUCK: 25 min WATER ADDED (gal) : 0 WEATHER: Clear UNIT WEIGHT: N/A REMARKS: 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 Tvnp 5 but pnrl of cvlinrlpr is nointed. 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 . Samp'es taken in accordance with ASTM C172 where practicable' When applicable, the follOWing test procedures were used Slump ASTM C143; Unit Weight ASTM C138; II.ir Content ASTM C173! C231, Temperature ASTM C1 064 Reports to Starling Richardson Canst; Attn: Eric Stanaland (eps@starlingrichardson.com) KLEINFELDER Starling R.chardson Canst; Attn: Andy Munoz (amunoz@starlingrichardson.com) (&~/ f?~~ DCCCD Bond Office; Attn; Brenda Spinelli (brenda.spinelli@dcccd.edu) DCCCD Bond Office; Attn: James Williams Uames.williams@dcccd.edu) / v f (/j,,--; DCCCD Bond Office; Attn Mike Daniels (mlke.daniels@dcccd.edu) ./ " Jacobs; Attn Andrea Stogner (Andreastogner@jacobs.com) Joel Peters, P.E. Jacobs; Attn: Jennifer Blount (Jennifer.blount@jacobs com) 1- City of Coppell Attn: Larry Davis 1- City of Cappel I Attn: Lee Stone Tre results shown on this report are for tr,e exclUSive use of the client for whom they were obtained and apply only 10 the samples tested and/or inspected. They are not intended to be ndlcat,ve of the qualities of apparently Identical products The use of our name l'1ust 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 CONCRETE CYLINDER COMPRESSIVE STRENGTH REPORT TO: Dallas County Community College Oist. 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: 10/18/2007 TECHNICIAN: J. Mayo REPORT NO: 107038 Page 4 of 5 I CONCRETE FOR: Grade beam G-9 thru G-15 I CYLINDER AGE DATE DATE AVG. CYLINDER CYLINDER FRACTURE TOTAL COMPRESSIVE MARK DAYS CAST TESTED DIAMETER, IN. AREA, IN.z TYPE LOAD, LBS STRENGTH, PSI 107043A 7 10/10/07 10/17/07 6.00 28.27 3 88,320 3,120 1070438 28 10/10/07 11/7/07 107043C 28 10/10/07 11/7/07 1070430 HOLD 10/10/07 HOLD SUPPLIER: Southern Star AVERAGE 28 DAY STRENGTH: MIX DESIGN: 000000009355 28 DAY STRENGTH REQUIREMENT: 4,000 ADDITIONAL INFORMATION IF MADE BY KLEIN FELDER: I ACTUAL SPECIFIED I TRUCK NO. : 1020 SLUMP: 45 TICKET NO. : 1109931 AIR TEMP. : 90 ACCUMULATED YDS : 10 of 40 MIX TEMP. : 99 TIME CAST: 129 PM AIR CONTENT: N/A TIME IN TRUCK: 51 min WATER ADDED (gal): 0 WEATHER: Clear UNIT WEIGHT: N/A REMARKS: 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 Type 5, but end of cylinder is pOinted 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 Dtherwise 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 C1 064 Reports to Starling Richardson Canst, Attn: Eric Stanaland (eps@starlingrichardson.com) 2 KLEIN~;?ER, Starling Richardson Canst; Attn: Andy Munoz (amunoz@starlingrichardson.com) DCCCO Bond Office; Attn: Brenda Spinelli (brenda.spinelli@dcccd.edu) ,} I il/ ':i ' DCCCO Bond Office; Attn: James Williams Uames.williams@dcccd.edu) , .!/C( :;ll:t't~ DCCCD Bond Office; Attn Mike Daniels (mikedaniels@dcccdedu) '/ / Jacobs; Attn: Andrea Stogner (Andreastogner@jacobscom) / Joel Peters, PE ,Jacobs; Attn Jennifer Blount (Jenniferblount@jacobscom) 1- City of Coppell. Attn Larry Davis 1- City of Coppell; Attn Lee Stone The res:.J'ts shown on this report are for the exclUSive use of the cliei't for whOrl 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 nust receive pnor 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 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: 10/18/2007 TECHNICIAN: J. Mayo REPORT NO: 107038 Page 5 of 5 I CONCRETE FOR: Grade beam B-18 thru 8-13 I CYLINDER AGE DATE DATE AVG. CYLINDER CYLINDER FRACTURE TOTAL COMPRESSIVE MARK DAYS CAST TESTED DIAMETER, IN. AREA,IN.2 TYPE LOAD, LBS STRENGTH, PSI 107044A 7 10/10/07 10/17/07 6.00 28.27 5 92,080 3,260 1070448 28 10/10/07 11/7/07 107044C 28 10/10/07 11/7/07 1070440 HOLD 10/10/07 HOLD SUPPLIER: Southern Star AVERAGE 28 DAY STRENGTH: MIX DESIGN: 000000009355 28 DAY STRENGTH REQUIREMENT: 4,000 ADDITIONAL INFORMATION IF MADE BY KLEINFELDER: ACTUAL SPECIFIED TRUCK NO. : 32 SLUMP: 73 TICKET NO. : 1110198 AIR TEMP. : 90 ACCUMULATED YDS : 40 of 40 MIX TEMP. : 93 TIME CAST: 404 PM AIR CONTENT: N/A TIME IN TRUCK: 38 min WATER ADDED (gal) : 0 WEATHER: Clear UNIT WEIGHT: N/A REMARKS: 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 commonty with unbonded caps) 6 Similar to Type 5, but end of cylinder is pointed 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, lhe 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 C1 064 Reports to: Starling Richardson Const.; Attn: Eric Stanaland (eps@starlingrichardsoncom) KLEINFELDER Starling Richardson Canst.; Attn: Andy Munoz (amunoz@starlingrichardson.com) /"\ .1 /J ./] ,) '/ ~ DCCCD Bond Office; Attn Brenda Spinelli (brendaspinelli@dcccd.edu) ; I/i/: / I. OCCCO Bond Office; Attn James Williams Games williams@dcccd.edu) j[/{ ." /;i/t~ \,/ /' ../.--- OCCCO Bond Office; Attn: Mike Daniels (mikedanlels@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 Coppel!. Attn: Lee Stone fhe results snown on this report are for the exclUSive use of the client for whom they wece obtained and apply only to the samples tested and/or Inspected They are not intended to be :ndicatlve of the qualities of apparently identical products The use of our name mJst receive prior written approval. Reports must be reproduced in their entirety.