Project: Paloma Subdivision Unit 2

SUBMITTAL INFORMATION Project: Paloma Subdivision Unit 2 Submittal for: MIX DESIGN P33000 Inlet Apron/Transition Sidewalk MIX DESIGN P33000C Machine Curb Hand Curb MIX DESIGN P34000 Sidewalk Box w/ Armor Curb Slot Contractor: Cash Construction ***Greater Austin Development assumes no liability if directed to perform work without approval of this submittal. Please send approved copies to dcontreras@gad.co Ph: (512) 310-9300 Fax: (512) 310-9333 6500 River Place BLVD. Bldg 1, Suite 201 Austin, Texas 78730

Concrete Mix Design Submittal March 28, 2017 Project: Paloma Subdivision Contractor: A Greater Austin Development Attention: David Contreras Pages: 10 Mix Designs: P33000 3000 PSI 1 Agg. P34000 4000 PSI 1 Agg. P33000C 3000 PSI 3/8 Curb Material Certifications: Capitol Type IP (HS) Cement W.R. Grace ZYLA 610 W.R. Grace ZYLA R Prepared By: Kevin Peace Phone: 210-492-8851 Email: kevin@irmtx.com NEW BRAUNFELS, TEXAS 78132 (830) 625-9156 FAX (830) 625-9174 BANDERA BLANCO BOERNE BULVERDE CONVERSE CORPUS CHRISTI COTULLA DEL RIO DEVINE FREDERICKSBURG GONZALEZ GREGORY KERVILLE KINGSVILLE LAREDO MARBLE FALLS NEW BRAUNFELS PEARSALL PLEASANTON PORT LAVACA SAN ANTONIO #1 SAN ANTONIO #2 SAN ANTONIO #3 SAN ANTONIO #4 SAN MARCOS SEGUIN VICTORIA

INGRAM READYMIX, INC. NEW BRAUNFELS, TX. 78132 830-625-9156 3/28/2017 MIX DESIGN # : P33000 CONCRETE MIX DESIGN DESCRIPTION: USE: PLACEMENT METHOD: 3000 PSI 1" AGG PUMP OR DIRECT DISCHARGE PROJECT: PALOMA SUBDIVISION CONTRACTOR: A GREATER AUSTIN DEVELOPMENT BATCH WEIGHTS PER CUBIC YARD MATERIAL SSD WEIGHT(lbs.) YIELD(Cu.Ft.) CAPITOL TYPE IP(HS) CEMENT 1" LIMESTONE LIMESTONE SAND SILICA SAND WATER AIR CONTENT 450 2.52 ASTM C595 1800 11.18 ASTM C33 85.0% 1253 7.78 ASTM C33 15.0% 225 1.37 ASTM C33 233 28.0 GALS. 3.74 1.5% +/- 1.5% 0.41 TOTAL 27.00 ADMIXTURES (OZ/CU. YD.) ZYLA 610 C494 TYPE A 3.0 OZ/CWT 13.5 WINTER MIX P33000W ZYLA R C494 TYPE D 3.0 OZ/CWT 13.5 SUMMER MIX P33000S CONCRETE PROPERTIES WATER/CEMENT RATIO 0.52 SLUMP 4.00 +/- 1.0 IN. CONCRETE UNIT WEIGHT 146.7 LBS./CU. FT.

INGRAM READYMIX., INC. NEW BRAUNFELS, TEXAS 78132 Concrete Mix Historical Test Results Mix No. : Strength: P33000 3000 PSI Sample Sample Slump 7 Day Avg 28 Day Avg # Date in. psi psi 1 2/10/17 5.50 2500 3827 2 2/9/17 6.75 2440 4040 Number of Tests 30 3 2/9/17 6.75 2265 3770 4 2/8/17 5.50 2245 3705 Average 28 Day 4005 PSI 5 2/8/17 7.50 1950 3205 6 12/30/16 5.25 2735 4853 Standard Deviation 576.8 PSI 7 12/30/16 4.50 2940 4857 8 11/15/16 5.50 2325 3660 9 11/15/16 5.75 2325 3323 10 11/15/16 5.50 2225 3257 11 11/15/16 5.50 2430 3743 ACI 318 STRENGTH CRITERIA 12 10/26/16 4.50 2510 3990 13 10/26/16 6.00 2090 3323 Fcr = Fc' + 1.34S Fcr = 3773 PSI 14 10/26/16 5.00 2640 4140 15 9/14/16 6.75 1835 3063 Fcr = Fc' - 500 +2.33S Fcr = 3844 PSI 16 7/8/16 6.00 2830 4400 17 6/1/16 4.75 2680 4220 18 11/9/15 6.50 2530 3950 Average Strength exceeds required strength Fcr. 19 10/14/15 5.50 2865 4330 20 10/14/15 4.50 2800 4300 21 9/1/15 4.25 3275 4460 22 7/28/15 4.50 2335 4043 23 7/23/15 7.00 2260 3343 24 7/16/15 4.00 2120 3993 25 7/9/15 7.50 2225 3887 26 6/15/15 4.00 2505 4120 27 6/12/15 4.00 3165 5047 28 5/19/15 4.50 3285 5613 29 2/26/15 4.25 3210 3920 30 2/26/15 5.00 2890 3777 Mean 2548 4005 Standard Deviation 387.9 576.8

INGRAM READYMIX, INC. NEW BRAUNFELS, TX. 78132 830-625-9156 3/28/2017 MIX DESIGN # : P34000 CONCRETE MIX DESIGN DESCRIPTION: USE: PLACEMENT METHOD: 4000 PSI 1" AGG PUMP OR DIRECT DISCHARGE PROJECT: PALOMA SUBDIVISION CONTRACTOR: A GREATER AUSTIN DEVELOPMENT BATCH WEIGHTS PER CUBIC YARD MATERIAL SSD WEIGHT(lbs.) YIELD(Cu.Ft.) CAPITOL TYPE IP(HS) CEMENT 540 3.03 ASTM C595 1" LIMESTONE 1800 11.18 ASTM C33 LIMESTONE SAND 85.0% 1111 6.90 ASTM C33 SILICA SAND 15.0% 200 1.22 ASTM C33 WATER 267 32.0 GALS. 4.27 AIR CONTENT 1.5% +/- 1.5% 0.41 TOTAL 27.00 ADMIXTURES (OZ/CU. YD.) ZYLA 610 C494 TYPE A 3.0 OZ/CWT 16.2 WINTER MIX P34000W ZYLA R C494 TYPE D 3.0 OZ/CWT 16.2 SUMMER MIX P34000S CONCRETE PROPERTIES WATER/CEMENT RATIO 0.49 SLUMP 4.00 +/- 1.0 IN. CONCRETE UNIT WEIGHT 145.1 LBS./CU. FT.

INGRAM READYMIX., INC. NEW BRAUNFELS, TEXAS 78132 Concrete Mix Historical Test Results Mix No. : Strength: P34000 4000 PSI Sample Sample Slump 7 Day Avg 28 Day Avg # Date in. psi psi 1 2/6/17 6.00 2730 4500 2 2/6/17 6.00 2900 4413 Number of Tests 30 3 2/6/17 5.00 3365 5300 4 2/3/17 6.00 3805 5723 Average 28 Day 5305 PSI 5 2/2/17 5.00 3690 5533 6 1/27/17 5.50 3130 5517 Standard Deviation 624.0 PSI 7 1/13/17 6.50 2980 4753 8 1/9/17 6.00 3160 5170 9 1/9/17 6.25 3155 5067 10 1/9/17 5.00 3885 6053 11 1/9/17 5.00 3680 6033 ACI 318 STRENGTH CRITERIA 12 9/22/16 6.25 3995 5360 13 9/21/16 6.25 3795 5443 Fcr = Fc' + 1.34S Fcr = 4836 PSI 14 9/20/16 6.00 3180 4723 15 9/19/16 6.25 3305 5017 Fcr = Fc' - 500 +2.33S Fcr = 4954 PSI 16 9/16/16 6.25 3090 4800 17 9/15/16 6.50 3465 4983 18 7/12/16 5.00 3565 5380 Average Strength exceeds required strength Fcr. 19 7/8/16 5.50 3215 4647 20 6/30/16 5.00 3345 5140 21 6/30/16 5.00 3210 4540 22 4/28/16 5.00 3660 5293 23 3/21/16 7.00 3900 5443 24 3/15/16 4.50 3560 4647 25 3/15/16 4.50 3630 5193 26 12/15/15 3.00 4050 7080 27 12/14/15 3.00 4800 6857 28 12/9/15 5.00 3705 5700 29 12/8/15 5.00 3530 5260 30 12/4/15 5.00 3750 5573 Mean 3508 5305 Standard Deviation 417.7 624.0

INGRAM READYMIX, INC. NEW BRAUNFELS, TX. 78132 830-625-9156 3/28/2017 MIX DESIGN # : P33000C CONCRETE MIX DESIGN DESCRIPTION: USE: PLACEMENT METHOD: 3000 PSI 3/8" AGG CURB EXTRUDED OR DIRECT DISCHARGE PROJECT: PALOMA SUBDIVISION CONTRACTOR: A GREATER AUSTIN DEVELOPMENT BATCH WEIGHTS PER CUBIC YARD MATERIAL SSD WEIGHT(lbs.) YIELD(Cu.Ft.) CAPITOL TYPE IP(HS) CEMENT 3/8" PEA GRAVEL LIMESTONE SAND SILICA SAND WATER AIR CONTENT 470 2.63 ASTM C595 1500 9.32 ASTM C33 85.0% 1547 9.61 ASTM C33 15.0% 278 1.70 ASTM C33 208 25.0 GALS. 3.34 1.5% +/- 1.5% 0.41 TOTAL 27.00 ADMIXTURES (OZ/CU. YD.) ZYLA 610 C494 TYPE A 3.0 OZ/CWT 14.1 WINTER MIX P33000CW ZYLA R C494 TYPE D 3.0 OZ/CWT 14.1 SUMMER MIX P33000CS CONCRETE PROPERTIES WATER/CEMENT RATIO 0.44 SLUMP 2.00 +/- 1.0 IN. CONCRETE UNIT WEIGHT 148.3 LBS./CU. FT.

INGRAM READYMIX., INC. NEW BRAUNFELS, TEXAS 78132 Concrete Mix Historical Test Results Mix No. : Strength: 33000C 3000 PSI Sample Sample Slump 7 Day Avg 28 Day Avg # Date in. psi psi 1 5/4/16 1.00 3310 5280 2 2/1/16 2.50 3690 5433 Number of Tests 30 3 2/1/16 2.50 3660 4507 4 1/29/16 3.00 2350 3670 Average 28 Day 4801 PSI 5 1/29/16 3.00 2365 3363 6 12/10/15 1.50 4705 6760 Standard Deviation 998.1 PSI 7 12/9/15 1.75 3925 5730 8 12/8/15 1.50 3960 5487 9 1/8/15 1.50 4215 5950 10 12/30/14 2.50 3660 5603 11 12/29/14 1.00 4090 4233 ACI 318 STRENGTH CRITERIA 12 12/22/14 1.00 4685 6610 13 11/20/14 3.50 3220 5053 Fcr = Fc' + 1.34S Fcr = 4337 PSI 14 9/25/14 1.50 3210 5163 15 9/19/14 3.50 3205 5033 Fcr = Fc' - 500 +2.33S Fcr = 4826 PSI 16 8/28/14 1.00 2765 3897 17 7/16/14 1.50 2520 3580 18 5/23/14 3.00 2845 3833 Average Strength exceeds required strength Fcr. 19 5/21/14 2.00 2890 4207 20 5/8/14 2.50 3205 4860 21 5/6/14 4.00 3165 4670 22 4/9/14 2.50 2485 3823 23 3/11/14 1.00 2385 4053 24 2/5/14 1.00 4780 7107 25 6/13/13 3.00 3445 4853 26 4/30/13 2.00 3010 4583 27 4/11/13 2.00 3170 4367 28 11/12/12 3.50 2335 3865 29 3/28/12 2.00 3190 5120 30 12/7/11 4.25 2060 3323 Mean 3283 4801 Standard Deviation 742.2 998.1

W.R. Grace 62 Whittemore Avenue Cambridge, MA 02140-1692 T 617-876-1400 grace.com/construction Date: 8/30/2016 BRANDON HEFFINGTON INGRAM READY MIX NEW BRAUNFELS, TEXAS 78132 Project Name: ALL PROJECTS Product Selected: ZYLA 610 This is to certify that ZYLA 610, a 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. ZYLA 610 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. G. Terry Harris Manager of Technical Services, North America Concrete

W.R. Grace 62 Whittemore Avenue Cambridge, MA 02140-1692 T 617-876-1400 grace.com/construction Date: 8/30/2016 BRANDON HEFFINGTON INGRAM READY MIX NEW BRAUNFELS, TEXAS 78132 Project Name: ALL PROJECTS Product Selected: ZYLA R This is to certify that ZYLA R, a Retarder, 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 D, AASHTO: M194, Type D. ZYLA R 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. G. Terry Harris Manager of Technical Services, North America Concrete