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5. Clean masonry with a proprietary acidic cleaner applied according to<br />

manufacturer's written instructions.<br />

6. Clean concrete masonry by cleaning method indicated in NCMA TEK 8-2A<br />

applicable to type of stain on exposed surfaces.<br />

3.11 MASONRY WASTE DISPOSAL<br />

A. Waste Disposal as Fill Material: Dispose of clean masonry waste, including excess or soilcontaminated<br />

sand, waste mortar, and broken masonry units, by crushing and mixing with<br />

fill material as fill is placed.<br />

1. Do not dispose of masonry waste as fill within 18 inches of finished grade.<br />

B. Excess Masonry Waste: Remove excess clean masonry waste that cannot be used as fill, as<br />

described above, and other masonry waste, and legally dispose of off Owner's property.<br />

END OF SECTION 04 2000<br />

Project No.: 10145 UNIT MASONRY<br />

550 15th Street Dual Brand Hotel 042000 - 10<br />

19 March 2012

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