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| | SECTION 03390 |
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| | CONCRETE CURING |
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| | Copyright 2003 - 2011 ARCAT, Inc. - All rights reserved
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| | ** NOTE TO SPECIFIER ** Reef Industries, Inc.; concrete curing using concrete wet cure covers.
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This section is based on the products of Reef Industries, Inc., which is located at:
9209 Almeda Genoa Rd
Houston, TX 77075
Tel: (800)231-6074
Tel: (713)507-4251
Fax: (713)507-4295
E-mail: ri@reefindustries.com
www.reefindustries.com
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Reef Industries, Inc. has a state-of-the-art manufacturing facility and two leading edge fabrication plants supporting world wide sales activities. In-house technical service and research staffs, manned by highly knowledgeable engineers and chemists, work closely with the most experienced sales department in the industry. Today Reef operates six divisions, one if which is Armorlon, the producer of reusable concrete curing wet cure covers. |
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| | PART 1 | GENERAL |
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| | 1.1 | SECTION INCLUDES |
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| | | A. | Concrete curing using concrete wet cure covers. |
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| | 1.2 | RELATED SECTIONS |
| | ** NOTE TO SPECIFIER ** Delete any sections below not relevant to this project; add others as required. |
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| | | A. | Section 03300 - Cast-in-Place Concrete. |
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| | | B. | Section 03700 - Mass Concrete. |
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| | 1.3 | REFERENCES |
| | ** NOTE TO SPECIFIER ** Delete references from the list below that are not actually required by the text of the edited section. |
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| | | A. | AASHTO M 171 - Sheet Materials for Curing Concrete; . |
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| | | B. | ACI 308 - Standard Practice for Curing Concrete; . |
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| | | C. | ASTM International (ASTM): |
| | | | 1. | ASTM C 156 - Standard Test Method for Water Retention by Concrete Curing Materials. |
| | | | 2. | ASTM D 882 - Standard Test Method for Tensile Properties of Thin Plastic Sheeting. |
| | | | 3. | ASTM D 2103 - Standard Test Method for Polyethylene Film and Sheeting. |
| | | | 4. | ASTM D 2582 - Standard Test Method for Puncture-Propagation Tear Resistance of Plastic Film and Thin Sheeting. |
| | | | 5. | ASTM D 4533 - Standard Test Method for Trapezoid Tearing Strength of Geotextiles. |
| | | | 6. | ASTM D 4833 - Standard Test Method for Index Puncture Resistance of Geotextiles, Geomembranes, and Related Products. |
| | | | 7. | ASTM D 5199 - Standard Test Method for Measuring Nominal Thickness of Geosynthetics. |
| | | | 8. | ASTM E 1347 - Standard Test Method For Color and Color-Difference Measurement by Tristimulus (Filter) Colorimetry. |
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| | 1.4 | SUBMITTALS |
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| | | A. | Submit under provisions of Section 01300. |
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| | | B. | [ Product Data ]: Manufacturer's data sheets on each product to be used, including: |
| | | | 1. | Preparation instructions and recommendations. |
| | | | 2. | Storage and handling requirements and recommendations. |
| | | | 3. | Installation methods. |
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| | | C. | Verification Samples: For each finish product specified, two samples, minimum size 4 inches (100 mm) square, representing actual product and color of wet cure covers. |
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| | 1.5 | QUALITY ASSURANCE |
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| | | A. | Preinstallation Meeting: Convene preinstallation meeting a minimum of one week before start of installation of wet cure covers. Require attendance of parties directly affecting work of this section, including Contractor, Architect, and installer. Review installation, protection, and coordination with other work. |
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| | 1.6 | DELIVERY, STORAGE, AND HANDLING |
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| | | A. | Deliver materials to site in manufacturer's unopened packaging with product name and manufacturer clearly identified on labels. |
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| | | B. | Store products in manufacturer's unopened packaging until ready for installation. |
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| | PART 2 | PRODUCTS |
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| | 2.1 | MANUFACTURERS |
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| | | A. | Acceptable Manufacturer: Armorlon, Division of Reef Industries, Inc., which is located at: 9209 Almeda Genoa Rd. ; Houston, TX 77075; Toll Free Tel: 800-231-6074; Tel: 713-507-4251; Email: request info; Web: www.reefindustries.com |
| | ** NOTE TO SPECIFIER ** Delete one of the following two paragraphs; coordinate with requirements of Division 1 section on product options and substitutions. |
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| | | B. | Substitutions: Not permitted. |
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| | | C. | Requests for substitutions will be considered in accordance with provisions of Section 01600. |
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| | 2.2 | MATERIALS |
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| | | A. | Concrete Wet Cure Covers: Armorlon Transguard(r) 4000; reusable. |
| | | | 1. | Material: Synthetic fiber mat with polyethylene sheet backing. |
| | | | 2. | Standard Weight: 52 lb/1,000 sq ft (25.4 kg/100 sq m), when tested in accordance with ASTM D 2103. |
| | | | 3. | Thickness: 35 mils (.95 mm), when tested in accordance with ASTM D 5199. |
| | | | 4. | Grab Tensile: 130 lbf (578 N), when tested in accordance with ASTM D 4632. |
| | | | 5. | Grab Elongation: 65 percent, when tested in accordance with ASTM D 4632. |
| | | | 6. | Trapezoidal Tear: 44 lbf (195 N), when tested in accordance with ASTM D 4533. |
| | | | 7. | Water Retention Moisture Loss: 0.0015 oz/sq in (.0066 g/cm2) and 0.0135 lbs/sq ft (0.066 kg/m2), when tested in accordance with ASTM C 156. |
| | | | 8. | Reflectance: 85 percent, when tested in accordance with ASTM E 1347. |
| | | | 9. | Puncture Strength: 70 lb (31.8 kg), when tested in accordance with ASTM D 4833. |
| | | | 10. | Reflection and Moisture Retention: Complying with AASHTO M 171. |
| | | | 11. | Color: White. |
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| | PART 3 | EXECUTION |
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| | 3.1 | EXAMINATION |
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| | | A. | Examine areas to receive wet cure covers. Notify Architect if areas are not acceptable. Do not begin installation until unacceptable conditions have been corrected. |
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| | 3.2 | PREPARATION |
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| | | A. | Clean surfaces thoroughly prior to installation. |
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| | | B. | Prepare surfaces using the methods recommended by the manufacturer for achieving the best result for the substrate under the project conditions. |
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| | 3.3 | INSTALLATION |
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| | | A. | Wet cure concrete in accordance with ACI 308 for ______ days, minimum. |
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| | | B. | Install wet cure covers in accordance with manufacturer's instructions. |
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| | | C. | Install covers in largest practical widths. |
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| | | D. | Thoroughly soak nonwoven synthetic side of covers. |
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| | | E. | Install covers with white poly side up. |
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| | | F. | Overlap adjoining covers a minimum of 18 inches. |
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| | | G. | Weight all laps and outside edges to prevent displacement. |
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| | | H. | Ensure intimate contact between covers and concrete surface by weighting and overlapping. |
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| | | I. | Rewet covers as necessary. |
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| | | J. | Install in accordance with manufacturer's instructions. |
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| | 3.4 | PROTECTION |
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| | | A. | Protect installed products until completion of project. |
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| | | B. | Touch-up, repair or replace damaged products before Substantial Completion. |
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| | END OF SECTION |