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PART 1 - GENERAL |
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1.1 |
SCOPE: Provide lightweight cellular concrete (LCC) grout, complete. |
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1.2 |
QUALITY ASSURANCE: |
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A. |
Use only experienced applicator, licensed or approved by the LCC manufacturer. |
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B. |
Use mixing and pumping equipment approved by the LCC manufacturer. |
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1.3 |
SUBMITTALS: Submit the following items in accordance with SUBMITTALS section. |
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A. |
Manufacturer’s product data, including test results for compressive strength and oven-dry density. |
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B. |
Written proof of manufacturer’s approval of applicator. |
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1.4 |
DELIVERY: |
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A. |
Deliver LCC grout premixed in ready-mix truck. The manufacturer will add the foam to the mixer at the jobsite or at the plant. |
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B. |
Schedule delivery to prevent delay of placing LCC after all ingredients are mixed. Maximum lapse time; 90 minutes. No retempering allowed, except under the direction of the manufacturer’s representative. |
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C. |
Remove deteriorated material from the site. | |
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PART 2 - PRODUCTS |
| 2.1 |
MANUFACTURER: Island Ready-Mix Concrete, Inc., Kapolei, Hawaii. |
| 2.2 |
MATERIALS: |
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A. |
Isle CellFill, a lightweight cellular concrete grout composed of cement, clean salt free sand, foaming agent, clean water and fiber reinforcement providing the following minimum requirements: |
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1) |
Compressive Strength: (ASTM C 495-91a): 500 psi at 28 days. |
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2) |
Weight: 75 pcf +/- 5 pcf at 28 days. |
| 2.3 |
MIXING PROPORTIONS: As determined by the LCC manufacturer to meet specified requirements. |
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PART 3 - EXECUTION |
| 3.1 |
INSTALLATION: |
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A. |
Install LCC Grout in strict accordance with manufacturer’s instructions. |
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B. |
Place as continuously as possible until installation is complete. |
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C. |
Place no slurry against LCC grout that has attained its initial set, except at required and properly designed joints. |
| 3.2 |
CURING: Air cure in accordance with manufacturer’s instructions. |
| 3.3 |
CLEANUP: After completion of work, clean excess materials from walls and all surfaces so defaced. Remove all excess materials and scrap from the job and leave all surfaces neat and clean. | |