04220

04220 - specified requirements. PART 2 PRODUCTS 2.1...

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Project Number 1 Section 04220 Heritage May 2003 Concrete Masonry Units (Block) SECTION 04220 CONCRETE MASONRY UNITS (Block) PART 1 GENERAL 1.1 SUMMARY A. Includes But Not Limited To 1. Quality of concrete masonry units used on Project. B. Related Sections 1. Sections under 04800 heading - Installation 1.2 REFERENCES A. American Society For Testing And Materials 1. ASTM C 90-01, 'Standard Specification for Loadbearing Concrete Masonry Units' 2. ASTM C 331-01, 'Standard Specification for Lightweight Aggregates for Concrete Masonry Units' 1.3 SUBMITTALS A. Quality Assurance / Control - Manufacturer's certification that units meet compressive strength
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Unformatted text preview: specified requirements. PART 2 PRODUCTS 2.1 COMPONENTS A. Concrete Masonry Units 1. Meet requirements of ASTM C 90, Type I, moisture control units, light weight classification. a. 85 lbs per cu ft minimum weight classification. b. Lightweight aggregates conforming to ASTM C 331. c. Do not use re-crushed masonry units as aggregate. 2. Outside Corners - One inch bullnose corner units. 3. Use special shapes as required. 4. Uniform color and texture with unbroken edges. PART 3 EXECUTION- Not Used END OF SECTION...
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This note was uploaded on 01/11/2012 for the course CM 105 taught by Professor Burr,k during the Winter '08 term at BYU.

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04220 - specified requirements. PART 2 PRODUCTS 2.1...

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