Structural 041000 Mortar and Masonry Grout

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    SECTION 041000

    MORTAR AND MASONRY GROUT

    PART 1 GENERAL

    1.1 STIPULATIONS

    A. The specifications sections "General Conditions", "Special Requirements" and "GeneralRequirements" form a part of this section by this reference thereto and shall have thesame force and effect as if printed herewith in full.

    1.2 SECTION INCLUDES

    A. Mortar and grout for masonry.

    1.3 REFERENCES

    A ACI 530 - Building Code Requirements for Masonry Structures.

    B. ACI 530.1 - Specifications For Masonry Structures.

    C. ASTM C144 - Aggregate for Masonry Mortar.

    D. ASTM C150 - Portland Cement.

    E. ASTM C207 - Hydrated Lime for Masonry Purposes.

    F. ASTM C270 - Mortar for Unit Masonry.

    G. ASTM C404 - Aggregates for Masonry Grout.

    H. ASTM C476 - Grout for Masonry.

    I. ASTM C780 - Preconstruction and Construction Evaluation of Mortars for Plain andReinforced Unit Masonry.

    J. ASTM C1019 - Method of Sampling and Testing Grout.

    1.4 SUBMITTALS

    A. Include design mix, indicate whether the Proportion or Property specification of ASTMC270 is to be used, required environmental conditions, and admixture limitations.

    B. Samples: Submit two samples of mortar, illustrating mortar color and color range.

    C. Reports: Submit reports on mortar indicating conformance of component mortarmaterials to requirements of ASTM C270 and test and evaluation reports to ASTM C780.

    D. Reports: Submit reports on grout indicating conformance of grout materials torequirements of ASTM C476 and test and evaluation reports to ASTM C1019.

    E. Manufacturer's Certificate: Certify that materials meet or exceed specified requirements.

    1.5 QUALITY ASSURANCE

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    A. Perform Work in accordance with ACI 5 3 0 and ACI 5 3 0. 1.

    1.6 DELIVERY, STORAGE, AND HANDLING

    A. Deliver, store, protect, and handle products to site under provisions of Section 01600.

    B. Maintain packaged materials clean, dry, and protected against dampness, freezing, andforeign matter.

    1.7 ENVIRONMENTAL REQUIREMENTS

    A. Maintain materials and surrounding air temperature to minimum 40 degrees F prior to,during, and 48 hours after completion of masonry work.

    B. Maintain materials and surrounding air temperature to maximum 90 degrees F prior to,during, and 48 hours after completion of masonry work.

    PART 2 PRODUCTS

    2.1 MATERIALS

    A. Portland Cement: ASTM C150, Type 1, gray or white color as required meeting specifiedmortar or grouting color.

    B. Mortar Aggregate: ASTM C144, standard masonry type.

    C. Hydrated Lime: ASTM C207, Type S.

    D. Grout Course Aggregate: ASTM C404.

    E. Grout Fine Aggregate: sand ASTM C404

    F. Water: Clean and potable.

    G. Bonding Agent: Latex.

    H. Cold-Weather Admixture: Non-chloride, noncorrosive, accelerating admixture complyingwith ASTM C494, Type C

    I. Water-Repellent Admixture: Liquid water-repellent mortar admixture intended for usewith concrete masonry units, containing integral water repellent by same manufacturer.

    2.2 MORTAR MIXES

    A. Mortar For Load Bearing Walls and Partitions: ASTM C270, Type S using the Propertyspecification.

    B. Mortar For Non-Load Bearing Walls and Partitions: ASTM C270, Type N using theProperty specification.

    C. Mortar For Engineered Masonry: ASTM C270, Type S using the Property specification.

    D. Pointing Mortar: ASTM C270, Type N using the Property specification.

    2.3 MORTAR MIXING

    A. Thoroughly mix mortar ingredients in accordance with ASTM C270 in quantities 'needed

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    for immediate use.

    B. Maintain sand uniformly damp immediately before the mixing process.

    C. Add mortar color in accordance with manufacturer's instructions. Provide uniformity ofmix and coloration.

    D. Do not use anti-freeze compounds to lower the freezing point of mortar.

    E. If water is lost by evaporation, re-temper only within two hours of mixing.

    F. Use mortar within two hours after mixing at temperatures of 40 - 90 degrees F.

    2.4 GROUT MIXES

    A. Bond Beams and Lintels: 3,000 psi strength at 28 days; 8-10 'inches slump; mixed inaccordance with ASTM C476 Course grout.

    B. Engineered Masonry: 3,000 psi strength at 28 days; 8-10 inches slump; mixed inaccordance with ASTM C476 Course grout.

    2.5 GROUT MIXING

    A. Thoroughly mix grout ingredients in quantities needed for immediate use in accordancewith ASTM C476 Course grout.

    B. Add admixtures in accordance with manufacturer's instructions; mix uniformly.

    C. Do not use anti-freeze compounds to lower the freezing point of grout.

    2.6 MIX TESTS

    A. Test mortar and grout in accordance with Section 01400.

    B. Testing of Mortar Mix: In accordance with ASTM C270.

    C. Testing of Grout Mix: In accordance with ASTM C1019 for compressive strength, andslump.

    PART 3 EXECUTION

    3.1 EXAMINATION

    A. Request inspection of spaces to be grouted.

    3.2 PREPARATION

    A. Completely fill clean-out holes and enlarge voids with mortar. Brace masonry for wetgrout pressure.

    3.3 INSTALLATION

    A. Install mortar and grout to requirements of the specific masonry section.

    B. Work grout into masonry cores and cavities to eliminate voids.

    C. Do not install grout in lifts greater than 16 inches two CMU courses without consolidating

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    grout by rodding.

    D. Do not displace reinforcement while placing grout.

    E. Remove excess mortar from grout spaces.

    3.4 FIELD QUALITY ASSURANCE

    A. Field inspection and testing will be performed under provisions of Section 01401, QualityAssurance Testing.

    B. Mortar properties will be tested per ASTM C780.

    C. Grout will be sampled and tested for compressive strength per ASTM C1019.

    -- End of Section --

    Snake Creek 04 10 00 December 2009Readiness Center Mortar and Masonry Grout 95% Submittal