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CONCRETE UNIT MASONRY <br />04 22 00 - 4 <br />C. Hot-weather procedures when ambient temperature exceeds 100°F (38°C), or exceeds <br />90°F(32°C) with a wind velocity greater than 8 mph: <br />D. Implement hot weather construction procedures in accordance with TMS 602/ACI <br />530.1/ASCE 6 Article 1.8 D. <br />PART 2 - PRODUCTS <br />2.1 MANUFACTURER <br />A. Concrete masonry units: <br />1. Amcon Block, St. Cloud, MN 56304. Or approved equal <br />a. 888-251-6030 <br />B. Preblended mortar: <br />1. SPEC MIX Preblended Mortar Mix, by E-Z Mix, Inc. <br />C. Grout additive: <br />1. PRE-MIX Products Grout Additive, by E-Z Mix, Inc. <br />2.2 CONCRETE MASONRY UNITS <br />A. Concrete Masonry Units: ASTM C90. <br />1. Weight Classification: Medium Weight <br />2. Color(s) and texture(s): <br />a. AMCON BLOCK ROCK FACE– COLOR 1 owner choice from Standard Colored <br />series <br />b. AMCON BLOCK ROCK FACE – COLOR 2 owner choice from Standard Colored <br />series <br /> <br />2.3 MORTAR AND GROUT MATERIAL <br />A. SPEC MIX Masonry Mortar Type [S or M] preblended factory mix: ASTM C270 and ASTM <br />C1714/C1714M. <br />1. Standard color chosen from manufacture chart by owner. <br />B. Grout for masonry: ASTM C476. <br />1. Fly ash: ASTM C618. <br />2. Ground granulated blast furnace slag: ASTM C989/C989M. <br />C. Water: Potable. <br />D. Admixtures: