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Rozas Addn-CS0505061241 We~ MockingBird Lan~ · Dallas, T~X.$ ?5247 · 972.647,6700 · www.txl.¢om May 6, 2005 Metrorflex Pavim~. LP P.O. Box 129 Lewisville, TX 75067 Atto: Mr. Lance Morgan RE: Rose Office Buildine 632 Sandy Lake Road 0045 8204 8205 The attached concrete mix designs utilizing the appropriate ASTM C-33 or ASTM C-330 aggregate are proposed for use on the above referenced project for ready-mixed concrete to be famished by TXI. TXI certifies that the above mix designs, when ordered by specified design identity, and delivered by TXI, will meet or exceed the indicated design strength at the designated age when tested in accordance with the applicable and current ASTM Standards C 31, C 39, C 78, C 172, C 293, applicable provisions of C 94, and evaluated in accordance with applicable provisions of the ACI Building Code. TXI would like to be included on your mailing list to receive all test reports. ASTM C 94 entitles a manufacturer to receive copies of all test reports when strength of concrete is used as a basis for acceptance. Contact us if you have any questions or require any additional information. Please notify TXI of approval of the proposed mix design prior to its use. Failure to notify us prior to first placement shall constitute acceptance. To ensure that the proper mix design is ordered, please send a copy of this letter, after approval, to the above referenced project to be used by the person ordering the concrete for this job. The information contained in this submittal is confidential and the exclusive property of TXL It cannot be copied, duplicated or disclosed to third parties without the expressed written consent of TXL Sincerely, T ti . /sPVictor H. Villarreal Man, ager - Q.A./Q.C. GENERAL NOTES Pumping Notes: l. 5" minimum diameter lines with no reduction to smaller lines. 2. Keep rubber hose to absolute minmaum length and plan pipe with as few 90 degree angles as possible. 3. Samples for slump and strength tests should be taken at discharge end of hose for strength guarantee to be valid. 4. To prime pump lines, a minimum of 8.0 sack grout is recommended for lubrication. In the case of strength concrete, equivalent stxength grout should be used if the grout remains in the placement. · 5. Pump mixes are based on minimum cement content pumped at ground level. As pump line increases in length or height and/or layout configuration changes, mix design modifications may be required to assure strength and pumpability at additional cost to the contractor. 6. TX! cannot control, and is therefore not responsible for excessive loss of entrained air content when loss occurs as a result of boom configuration or free fall discharge from hose. To ensure minimum air loss when pumping, maintain a continuous flow of concrete through the entire length of pipe and do not subject concrete to free fall. 7. The term "pumpable concrete" refers to concrete which is capable of being transported through an apparatus which forces concrete to the placing position through a pipeline or hose as long as the recommendations indicated above are followed. The term "purapable concrete" docs not relate to concrete proportioned in a particular manner or containing a specific type of product. Strength of lightweight mix designs valid provided strength specimens are air cured in accordance with ASTM Test Method C 567-01, as referenced in section 8.1 of ASTM Specification C 330. Unless otherxvise indicated, when the concrete temperature at point of placement exceeds 90 degrees Fahrenheit, TXI will guarantee the strength performance of the mix design(s) herein submitted up to a maximum placement temperature of 100 degrees Fahrenheit using an ASTM C 494 Type D retarding water-reducer, as long as the concrete is placed within 75 minutes from batch time. Unless otherwise indicated, strength of plain concrete guaranteed up to a maximum placement temperature of 85 degrees F~rrenheit. We are enclosing all available back up data tbr the referenced mix design(s). If the strength information is not available, or is insufficient, confirmation tests may have to be conducted by your laboratory. TY~I PROPRIET.4~tY AND CONFIDENTIAl, Rose Office Building 632 Sandy Lake Road Mix #: 8204 Description: 470# ADMIX/AEA Strength: 3000 vsi ~ 28 Days SIDEWALKS Maximum Size Coarse Aggregate: Maximum Water/Cement Ratio: CemenVCementitious Content: Design Slump: Air Entraining Agent: Admixture: I"CS 1" ~ #4 CRUSHED STONE 0.549 lbs/lb 470 lbs (per cubic yard) 4.00 inches ASTM C-260 ASTM C-494 Type A or D MATERIAL QUANTITIES PER 1.0 CUBIC YARD AT S.S,D 376 lbs. 94 lbs. 1840 lbs, 1336 lbs. 258 lbs. 2.0 to ASTM C 150 TYPE Id'II CEMENT ASTM C 618 FLY ASH 1" - #4 CRUSHED STONE CONCRETE SAND or 31.0 Gallons of Water 4.0 oz/cw't of ASTM C-194 Type A Specified Air Content: 3.0% - 6.0% Placement Slump: 4.00 + or - 1.00 inches Mix Design. Proportions and specifications are confidential and proprietary trade secrets of TXL Ally Usc or dissemination without permission is a violation of federal criminal law. Rose Office Building 632 Sandy Lake Road TXI PROPRIETARY AND CONFIDENTL~I, Mix #: 8205 Description: 517# ADMIX/AEA I"CS S~ength: 4000 psi ~ 28 Days PAVING, FrRE LANES Maximum Size Coarse Aggregate: 1" - #4 CRUSHED SIONE Maximum Water/Cement Ratio: 0.499 lbs/lb CementfCementitious Content: 517 lbs (per cubic yard) Design Slump: 4.00 inches Air Entraimng Agent: ASTM C-260 Admixture: ASTM C-494 Type A or D MATERiAL QUANTITIES PER 1.0 CLrBIC YARD AT SS.D 4t4 lbs. 103 lbs. 1840 lbs, 1295 lbs. 258 lbs. 2,0 to ASTM C 150 TYPE 1/II CEMENT ASTM C 618 FLY ASH 1" - #4 CRUSHED STONE CONCRETE SAND or 31.0 Gallons of Water 4.0 oz/cwt of ASTM C-494 Type A Specified Mr Content: 3.0% - 6.0% Placement Slump: 4.00 + or - 1.00 inches Mix Design Proportions and specifications are confidential and proprietary ~ade secrets of TXi. Any Use or dissemination without p~rmi$$ion i$ a violation of federal criminal law. TX1 PROPRIETARY AND CONFIDENTI,al, P, os.e Office ]guildm8 632 Sandy Lake Road Mix #: 0045 Description: 4.50SK ADMIX I"CS Strength: 3000 l~si ~ 28 Days SLAB, PIERS, GRADE BEAMS Maximum Size Coarse Aggregate: 1" - #4 CRUSHED STONE Maximum Water/Cement Ratio: 0.631 lbs/lb Cement/Cememitious Content: 423 lbs (per cubic yard) Design Slump: 4.00 inches Admixture: ASTM C-494 Type A or D M. ATERIAL QUANTITIES PER 1.0 CUBIC YARD AT S,S.D 423 lbs ASTM C 150 TYPE I/II CEMENT 1840 lbs. 1" - #4 CRUSHED STONE 1501 lbs. CONCRETE SAND 267 lbs. or 32.0 Gallons of Water 2.0 to 4.0 oz/cwt of ASTM C-494 Type A Placement Slump: 4.00 + or - 1.00 inches Mix Design Proportions and specifications are confidenttal and proprietary ~ade secrets oflT-,I. Any Use or di~seminanon wtthout p~mis~ion is a v/olation or' fcd, eral criminal law. Page 3 CO~NTARY OF STATISTICAL EVALUATION OF CONCRETE D~SIGN P. ESULT~ Mix Numa:0045 St=enq=h: 3000 psi @ 28 Days Paragraph $,5 of ACI 318-02 provides that as data becomes available during COnStruction, the amount by which (F'cr) must exceed the specified value of {F'c) may be reduced, provided: (a) 30 or more test results are available and average of test results exceeds that required by Section 5.3.241, using a standard deviation calculated in accordance with Section 5.3,1.1, or 15 to 29 test results are available and average of test results exceeds that required by Section 5.3.2.1, using a standard deviation calculated in accordance with Section 5.3.1.2. The required average strength has been calculated using a standard deviation calculated in accordance with ACI 318-02 Section 5.3.~.1 or Section 5.3.1.2 and is the larger value of these calculations: F'cr - F'c + 1,34(SD) = 3000 + 1.34( 421 ) = 3564 F'cr = F'c + 2.33(SD) 500 = 3000 e 2.33( 421 ) - = 3480 500 SUI~4ARY OF STATISTICAL~%RALYSIS 28 Day Te~t Data N~mber of Tests .......................... Maximum Value ............................ Minimum Value ............................ Range .................................... Average Strength ......................... Standard Deviation ....................... Required Average Strength to satisfy minimum probability conditions cf ACI 318-02 Section 5.3.2.1 ............... Design excess beyond code requirements... 3O 4710 3265 1445 4050 421 3564 486 psi psi psi psi psi psi psi CO~ENTAR~ OF STATISTICAL EVALUATION OF CONCRETE DESIGN RESULTR Mix Num: 8205 $~reng=h: 4000 psi @ 28 Days Paragraph 5.5 of ACI 318-02 provides that as da%a becomes available during construction, the amount by which (F'cr) must exceed the specified value of (F'c) may be reduced, provided: (at 30 or more test results are available and average of te~t results exceeds that required by Section 5.3.2.1, using a standard devla~ion calculated in accordance with Section 5.3.1.t, or (b) 15 to 29 test results are available and average of test results exceeds that required by Section 5.3.2.1, using a standard deviation calculated in accordance wi~h Section 5.3.1.2. The required average strength has been calculated using a standard deviation calculated in accordance with ACI 318-02 Section 5.3.1.1 or Section 5.3.1.2 and is the larger value of these calculations: F'cr = F'c + 1.34(SD) =~ 4000 + 1.34{ 487 ) = 4652 F'cr = F'c + 2.33 (SD) 500 4000 + 2.33( 487 ) - 500 4634 SUmPtuaRY OF STATISTICAL ANALY$I~ 28 Day Test Data Number of Tests .......................... Maximum Value ............................ Minimum Value ............................ Range .................................... AVerage SErength ......................... Standard Deviatio~ ....................... Required Average Strength to satisfy minimum probability conditions of ACI 318-02 Section 5.3.2.1 ............... Design excess beyond code requirements... 30 5540 3970 1570 4694 487 4652 42 psi psi psi psi psi psi psi COMMENTARy OF STATISTIC2%L EVALUATION OF CONCRETE DESIGN R~SULT,~ Mix Num: 8204 S~rength: 3000 p~i @ 28 Days Paragraph 5.5 of ACI 318-02 provides that as data becomes available during construction, the amount by which (F'cr) must exceed the specified value of (F'c) may be reduced, provided: 30 or more tes~ results are available and average of test results exceeds that required by Section 5.3.2.1, using a standard deviation calculated in accordance with Section 5.3.1.i, or 15 to 29 test results are availaDle and average of test results exceeds that required by Section 5.3.2.1, using a standard deviation calculated in accordance with Section 5.3.1.2. The required average strength has been calculated using a standard deviation calculated in accordance with ACI 318-02 Section 5.3,1.1 or Section 5.3,1.2 and is the larger value of these calculations: F'cr = F'C + 1.34(SD) =~ 3000 + 1.34( 426 ) = 3570 F'cr = F'c + 2.33(SD) 500 = 3000 + 2.33( 426) - 500 = 3492 SUM~y OF STAT~STZCAL ANALYSIS 28 Day Test Data Number of Tests .......................... Maximum Value ............................ Minimum Value ............................ Range .................................... Average Strongth ......................... Standard Deviation .......... Required Average Strength to satisfy minimum probability conditions of ACI 3!8-02 Section 5.3.2.1 Degign excess beyond code requirements... 3O 5215 3625 1590 4202 426 3570 632 psi psi psi psi psi psi psi SPECIFICATIONS Podland Cement Bin Number: Jcar Number: jTons: Sampe Date: March-2005 Monthly Average Type IAI (Low Alkali) A.S.T,M C150-04 Chemical Requirements: Spec. Test Spec. Test Limit Result Physical Requirements: Limit Result AI203, (%) 6.0 max 4.2 Fe203, (%) 6.0 max 3.6 MgO, (%) 6.0 max 1.3 SO3, (%) 3.2 Loss on Ignition, (%) 3.0 max 2.4 Insoluble Residue, (%) 0.75 max 0.27 C3A, (%) 8 max 5 CO2, (%) ** 1.1 Limestone, (%) 5.0 max 2.5 CaC©3 in limestone, (%) 70 min 96 Optional Chemical Requirements: Spec, Test Limit Result Total Alkalies (Na20 equiv.), (%) 0.60 max 0.50 Air Content, Volume, (%) Fineness (Blaine), (m2/kg) Autoclave Expansion, (%) Time of Setting: Vicat initial set, minutes Gillmore initial set, (minutes) Gillmore final set, (minutes) Compressive strengths, (Mpa) 3 days 7 days Compressive strengths, (psi) 3 days 7 days 12 max 8 280 min 363 0.80 max -0.02 45 rain 102 375 max 102 60 min 178 600 max 282 7.0 min 24.1 12.0 min 30.9 1740 min 3496 2760 min 4481 * See ASTM C150 Table 1, Footnote D. *'Not Applicable. We certify that the above described cement, at the time of shipment, meets the chemical and physical requirements of the ASTM C 150 specification. Quality S e~_.jCg~"~ g er Subscribed and sworn to before me on this date: ¢, atc 4/14/2005 Cer[ified to NSF/ANSI 61 Headwaters Resources, Inc. certifies that, to the best of its knowledge, the test data listed herein was generated by applicable ASTM methods and meets requirements of ASTM C-618 and AASHTO M-295 and TX. DOT DMS-8900 Report of Fly Ash Welsh Plant, Casom Texas Unit #2 DATE: February 8, 2005 LABORATORY NUMBER: WELSH-2-12/5/04 MTRF #29 CA COMPOSITE DATE 11/4/04 - 12/5/04 ASTM C-618-03 TX. DOT DMS-8900 SPECIFICATIONS SPECIFICATIONS CHEMICAL ANALYSIS Silicon Dioxide (SiO2) 30.99 Aluminum Oxide (A1203) 18.37 Iron Oxide (FE203) 5.61 Sum of SiO2, A1203, & Fe203 54.97 Magnesium Oxide (MgO) 6.49 Sulfur Trioxide (SO3) 3.15 Moisture Content 0.11 Loss On Ignition 0.10 Available Alkalies as Na20 1.49 Calcium Oxide (CaO) 28.42 P~YSICAL ANALYSIS Fineness: Amount retained on 325 sieve % 14.54 Water Requirement, % Control 96% Specific Gravity 2.70 Autoclave Expansion, % + 0.02 Strength Activity Index With Portland Cement, 7 Day 89% '~ Applicable only when required by pttrchaser. CLASS C CLASSF TYPE C TYPEF 50 Min. 70 Min. 50 Mia 70 Min. 5.0 Max. 5.0 Max. 5.0 Max. 5.0 Max. 3.0 Max. 3.0 Max. 2.0 Max. 2.0 Max. 6.0 Max. 6.0 Max. 3.0 Max. 3.0 Max. ^ 1.5Max. ^l.SMax. 34% Max. 34% Max. 30%Max. 30%Max. 105%Max 105%Max lO0%Max lO0%Max 0.8% Max 0.8%Max 0.8% Max 0.8% Max 75% Min. 75% Min. 75% Min. 75% Min. AUTHORIZED SIGNATURE: PO. Box 38 Thompsons. Texas 7748 t4}038 ?: 231.543.007° [:: 2~ L243.t)872 41612005 Victor Villarret TXI Operations, Lp 1341 W. Mockingbird Lane Dallas, Texas 75247 Project Name: All Projects Product Selected: MIRA® 85 Grace Construction Products W.R. Grace & Co. - Conn. 4323 Crites Street Houston, TX 77003 713-223-8353 www.graceoonstruotion.com This is to certify that the MIRA® 85, a(n) Mid-Range Water Reducer, as manufactured and supplied by Grace Construction Products, W.R. Grace & Co. - Conn., is formulated to comply with the Specifications for Chemical Admixtures for Concrete, ASTM: C494, Type A, F AASHTO: M194, Type A, F. MIRA® 85 does not contain calcium chloride or chloride containing compounds as a functional ingredient. Chloride ions may be present in trace amounts contributed from the process water used in manufacturing. The foregoing is in addition to and not in substitution for our standard Conditions of Sale attached; Thomas M. Greene South Western Region Technical Services Manager 4/6/2005 Victor Villarrel TXI Operations, Lp 1341 W. Mockingbird Lane Dallas, Texas 75247 Project Name: All Projects Product Selected: WRDA® with Hycol® Grace Construction Products W.R. Grace & Co. - Conn. 4323 Crites Street Houston, TX 77003 713-223-8353 www.graceconstruction.com This is to certify that the WRDA® with Hycol®, a(n) Water Reducer, as manufactured and supplied by Grace Construction Products, W.R. Grace & Co. - Conn., is formulated to comply with the Specifications for Chemical Admixtures for Concrete, ASTM: C494, Type A, D AASHTO: M194, Type A, D. WRDA® with Hycol® does not contain calcium chloride or chloride containing compounds as a functional ingredient. Chloride ions may be present in trace amounts contributed from the process water used in manufacturing. The foregoing is in addition to and not in substitution for our standard Conditions of Sale attached. Thomas M. Greene South Western Region Technical Services Manager 4/6~2005 Victor Villarrel TXI Operations, Lp 1341 W. Mockingbird Lane Dallas, Texas 75247 Project Name: All Projects Product Selected: Daravair~ 1000 Grace Construction Products W.R. Grace & Co. - Conn. 4323 Crites Street Houston, TX 77003 713-223-8353 www.graceconstruction.com This is to certify that the Daravair~ 1000, a(n) Air-Entraining Agent, as manufactured and supplied by Grace Construction Products, W.R. Grace & Co. - Conn., is formulated to comply with the Specifications for Chemical Admixtures for Concrete, ASTM: C260 AASHTO: M154. Daravair~ 1000 does not contain calcium chloride or chloride containing compounds as a functional ingredient. Chloride ions may be present in trace amounts contributed from the process water used in manufacturing. The foregoing is in addition to and not in substitution for our standard Conditions of Sale attached. Thomas M. Greene South Western Region Technical Services Manager TXI Operations, LP Mill Creek Stone TECHNICAL SERVICES LAB PHONE: 972-647-7232 FAX: 972-647-7244 DATE COMPANY/NAME MATERIAL March 28, 2005 1'I-~'~.CLASS A TxDOT ITEM 421 GRADE 4 / ASTM C-33 #57 SIEVE SIZE U.s. METRIC 1 1/2" 37.5 mm 1" 25.0 mm 3/4" 19.0 mm 1/2" 12.5 mm 3/8" 9.5 mm ~ 4.75 mm #8 2.36 mm TEST RESULTS WT. RETAINED % RETAINED SPECIFICATION 0.0 0.0% 0 1.0 3.1% 0 5 6.0 19,4% 19.2 61.9% 40 75 23.8 76.8% 29.8 96.1% 90 100 30.6 98.7% 95 100 TOTAL WEIGHT 31.0 SPECIFIC GRAVITY ABSORPTION LA ABRASION SODIUM SOUNDNESS MAGNESIUM SOUNDNESS SPECIFIC TEST RESULTS 2.75 UNIT WEIGHT: 0.5 DRY LOOSE DRY RODDED 24 2 LB./CF. 104.9 LB./CF. TXI Operations, LP BELLS/SAVOY Sand TECHNICAL SERVICES LAB PHONE: 972-647-7232 FAX: 972-647-7244 DATE March 18, 2005 COMPANY/NAME MATERIAL Concrete Sand, TxDOT Item #421 /ASTM C-33 TEST RESULTS SIEVE SIZE WT. RETAINED % RETAINED SPECIFICATION U.S. METRIC 3/8" 9.Smm 0.0 0.0% 0 #4 4.75mm 37.0 3.4% 0 5 #8 2.36mm 126.2 11.7% 0 20 #16 1.18mm 247.0 22.9% 15 50 #30 .600mm 456.2 42.3% 35 75 #50 .300m m 907.1 84.0% 65 90 #100 .150mm 1065.3 98.7% 90 100 #200 .075mm 1077.1 99.8% 97 100 FM 2.63 TOTAL WEIGHT 1079.4 SPECIFIC TEST RESULTS SPECl FIC GRAVITY ABSORPTION MAGNESIUM SULFATE 2.63 UNIT WEIGHT: 0.5 DRY LOOSE LB./CF. DRY RODE)ED 110.5 LB./CF. 9 SODIUM SULFATE SAND EQUIVALENT 95 % ACiD INSOLUBLE 85 Todd Bradshaw TXI REPRESENTATIVE CTB 8,: CONCRETE 1341 West Mockingbird Lane · Dallas, Texas 75247 · 972.647.6700 · www. txi.com M~ATER~ SAFETY DATA StSEEr Addr~l P~L tu~it~) H,t,,~dota l~ri~l Iaformatio~ ~s~ rc~ficr (l{~lS) HEALTH = 2* I:~,~2~[MABILITY = 0 REACTIVITY = I PERSONAL PROTECTION = X V~or Pr~mr~ (mm = F.~ DOES NOT APPLY Ev~-~io~ Ra~ (n=B~I A~) ~ NOT ~PLY COULD EVENTUALLY LEAD TO LUNO CAi'rCER, C~.al/~t L~a~d aa C.~m ~ IAR¢ OSHA QUARTZ, C~STOi{ALrI~. YES YES NO I~.o,~,u%ili~y 0v~.~l~ ~ Avoid) iV~ATERfA~ IS H~OI~.¥ ALIf. ALII~E. CONTACT ~ ACIDS MAY PRODUCE A VIOLIINT, EXOTHEI~MIC REACTION ~ MAY EVOLVE TOXIC OASE~ OR NOT NECESSARY UNDF. R CONDITIONS OF NORMAL USE. IF MATERIAL IS DRIED AND IS SUIUECT TO CONDITIONS CAUSING DUST TO BE