DESIGNER CHECKLIST (ACI 318-19 Section 26.4 – Concrete materials and mixture requirements)

Cementitious Materials Specifications (Table 26.4.1.1.1(a)) Aggregate Specifications Normalweight (ASTM C33) Lightweight (ASTM C330) Recycled aggregate requirements Mineral Filler Specifications – ASTM C1797 Mix Water Specifications – ASTM C1602 Admixture Specifications Air Entrainment – ASTM C260 Water reduction and setting time – ASTM C494 Steel Fiber Requirements – ASTM A820 (Shear reinforcement only) Mix Design Information Minimum specified compressive strength f’c Minimum modulus of elasticity

Test age if different from 28 days for both compressive strength and modulus of elasticity

Maximum w/cm ratio based on most stringent durability exposure for project Nominal maximum size coarse aggregate based on reinforcing spacing, form size, etc. Total air content based on exposure class F Applicable cementitious materials for exposure class S Alkali-aggregate reactivity requirements Lightweight aggregate (concrete) requirements Shotcrete maximum sized coarse aggregate not to exceed ½” (if needed) Other Shrinkage limitations Maximum amounts of supplementary cementitious materials (Table 26.4.2.2(b)) Proportioning of Concrete Mixtures (ACI 301 Section 4.2.3) Field data Lab mixes at three different w/cm ratio

MIXTURE PROPORTIONING ACI 301-20Concrete production facility has field strength tests performed within the past 24 months and spanning no less than 45 calendar days for a class of concrete within 1000 psi of the

specified class of concrete

> 15 consecutive tests with same prortions

Two groups of consecutive tests within 1000 psi (total >

15 each group)

Calculate s using section 4.2.3.2 Calculate average s using

section 4.2.3.2

Required average strength using Table 4.2.3.3(a)1

Required average strength from Table 4.2.3.3(b)

Field record of at least ten consecutive test results using similar materials and under similar conditions, and encompassing a period of not less than 45

days, is available

Make trial mixtures using at least three different water-cementitious materials ratios or cementitious materials contents according to section

4.2.3.4(c) (3-Point Curve)

Results represent one mixture

Results represent two or more mixtures encompassing

required average strength

Average strength >required average strength

Plot average strength versus proportions and interpolate for required average

strength

Plot average strength versus proportions and interpolate for required average

strength

Submit for approval

Yes No

No

Yes

Or

Or

No

Yes

No

Yes

No

Yes

Concrete Mix Design Submittal Checklist

- Introduction narrative addressing Mix Design Methodology, recommendations, concerns, etc. Document shall be signed by individual responsible for technical content for the design.

- Identification of all Materials Sources - Coarse and Fine Aggregate Gradations and Plots, Curves - If Applicable, Combined Aggregate Gradation (USAF Gradation) - If Applicable, Coarseness/Workability Plots (USAF Gradation) - Coarse Aggregate Quality Test Results Including

- Deleterious Materials - ASR Data - Soundness - Los Angeles Abrasion - Fractured Faces - Flat and Elongated Pieces - If Applicable, Freeze / Thaw Data - Specific Gravity for Each Coarse Aggregate Size

- Fine Aggregate Quality Test Results including - Deleterious Materials - ASR Test Data - If Applicable, Freeze / Thaw Data - Sand Equivalency - Fineness Modulus - Specific Gravity for Each Fine Aggregate Size

- ASR Mitigation for Combined Aggregate Blend using Project Cementitious Materials - Aggregate Correction Factor for Proposed Mix Design(s) (ASTM C 231) - Mill Test Reports and Certificates of Compliance for Cement, Pozzolan, and GGBF - Certificates of Compliance and Certified Test Results for Chemical Admixtures including

Air-Entraining, Water Reducing, Retarding, Non-Chloride Accelerating, etc. - Test Data / Statement on Water Source - Mix Design Identification Code(s) and Proposed Mix Design(s) - Proposed Mixture Proportioning Weights and Volumes including Specific Gravities - Results of Three Water-Cementitious Ratio Trial Batches including batch weights. - If Applicable, identify the maximum allowable slump for Slip-Form Paving - Flexural and Cylinder Strength Test Data for Each Trial Batch

- Slump, Temperature, and Air Content (Unit Weight test recommended) - Individual and Average Beam and Cylinder Strength Data - Flexural and Compressive Strength Summaries and Plots, Curves, etc.

- If Applicable, Equivalent Correlation Ratios for Acceptance and for CQC Production Control - If Applicable, Historical Record Summary of Test Results including Standard Deviation,

Coefficient of Variation, Mean, etc, (ACI 214 Report) - MSDS Sheets for all Materials

CONCRETE SUBMITTAL CHECKLIST Cover Letter Mix ID and mix use for each mix covered by submittal (slab, grade beam, interior SOG, exterior SOG, etc.) Cement or Cementitious Materials Class, grade, type Mill certs Aggregate Information (no more than 2 years old) Sources, size designation

Gradation ASTM C33 results Combined Gradation ASR Data

Admixtures (ASTM C260 and ASTM C494 Type of all admixtures Amount proposed Amount used in trial mixes Technical Data Sheets Water If other than potable water ASTM C1602 results Fiber and other additives Concrete Mix Proportions Mass per unit volume Absolute volume if requested Cement Supplementary cementitious materials (fly ash, slag, silica fume, etc.) Aggregate for each fraction (coarse, fine, intermediate) Admixtures ozs/cwt and expected range of dosage Water based on SSD aggregate moisture condition Fresh Concrete Properties Slump Total Air Content Temperature Density Water/cementitious materials ratio Setting time Other Hardened Concrete Properties Compressive Strength Flexural Strength Modulus of Elasticity Length change (shrinkage) Other Required Average Strength (f’cr) ACI 301

Past performance data and statistical evaluation (no more than 2 years old) Copies of lab data? Is slump of data appropriate Is total air content of data appropriate? Laboratory trail Mix data 3-Point Curve Slump appropriate? Air Appropriate? Other data as required in specifications