SECTION 04 05 13 MASONRY MORTARING SPEC WRITER NOTES: 1. Use this section only for NCA projects. 2. Delete between // // if not applicable to project. Also delete any other item or paragraph not applicable in the section and renumber the paragraphs. PART 1 GENERAL 1.1 DESCRIPTION: Section specifies mortar materials and mixes. 1.2 RELATED WORK: A. Mortar used in Section: 1. Section 03 45 00, PRECAST ARCHITECTURAL CONCRETE. 2. Section 04 05 16, MASONRY GROUTING. 3. Section 04 20 00, UNIT MASONRY. 4. Section 04 05 31, MASONRY TUCK POINTING. 5. Section 04 72 00, CAST STONE MASONRY. B. Mortar Color: Section 09 06 00, SCHEDULE FOR FINISHES. 1.3 TESTING LABORATORYCONTRACTOR RETAINED A. Engage a commercial testing laboratory approved by Resident Engineer to perform tests specified below. B. Submit information regarding testing laboratory's facilities and qualifications of technical personnel to Resident Engineer. 1.4 TESTS A. Test materials proposed for use for compliance with specifications in accordance with test methods contained in referenced specifications and as follows: B. Mortar: 1. Test for compressive strength and water retention; ASTM C270. 2. Mortar compressive strengths 28 days as follows: Type M: Minimum 17230 kPa (2500 psi) at 28 days. Type S: Minimum 12400 kPa (1800 psi) at 28 days. Type N: Minimum 5170 kPa (750 psi) at 28 days. C. Cement: 1. Test for water soluble alkali (nonstaining) when nonstaining cement is specified.
SECTION 04 05 13 MASONRY MORTARING SPEC WRITER NOTES: 1. Use this section only for NCA projects. 2. Delete between // // if not applicable to project. Also delete any other item or paragraph not applicable in the section and renumber the paragraphs. PART 1 GENERAL 1.1 DESCRIPTION: Section specifies mortar materials and mixes. 1.2 RELATED WORK: A. Mortar used in Section: 1. Section 03 45 00, PRECAST ARCHITECTURAL CONCRETE. 2. Section 04 05 16, MASONRY GROUTING. 3. Section 04 20 00, UNIT MASONRY. 4. Section 04 05 31, MASONRY TUCK POINTING. 5. Section 04 72 00, CAST STONE MASONRY. B. Mortar Color: Section 09 06 00, SCHEDULE FOR FINISHES. 1.3 TESTING LABORATORYCONTRACTOR RETAINED A. Engage a commercial testing laboratory approved by Resident Engineer to perform tests specified below. B. Submit information regarding testing laboratory's facilities and qualifications of technical personnel to Resident Engineer. 1.4 TESTS A. Test materials proposed for use for compliance with specifications in accordance with test methods contained in referenced specifications and as follows: B. Mortar: 1. Test for compressive strength and water retention; ASTM C270. 2. Mortar compressive strengths 28 days as follows: Type M: Minimum 17230 kPa (2500 psi) at 28 days. Type S: Minimum 12400 kPa (1800 psi) at 28 days. Type N: Minimum 5170 kPa (750 psi) at 28 days. C. Cement: 1. Test for water soluble alkali (nonstaining) when nonstaining cement is specified.
040513MasonryMortaring.docx