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// CODE SNIPPET

1904.2 Exposure Categories and Classes

NYC Building Code 2014 > 19 Concrete > 1904 Durability Requirements > 1904.2 Exposure Categories and Classes
JUMP TO FULL CODE CHAPTER
Concrete shall be assigned to exposure classes in accordance with ACI 318, Section 4.2, based on:
  1. Exposure to freezing and thawing in a moist condition or exposure to deicing chemicals;
  2. Exposure to sulfates in water or soil;
  3. Exposure to water where the concrete is intended to have low permeability; and
  4. Exposure to chlorides from deicing chemicals, salt, saltwater, brackish water, seawater or spray from these sources, where the concrete has steel reinforcement.

Related Code Sections


1904.2 Concrete, Exposure Categories and Classes
Concrete shall be assigned to exposure classes in accordance with ACI 318, Section 4.2, based on: Exposure to freezing and thawing in a moist ...
NYC Building Code 2014 > 19 Concrete > 1904 Durability Requirements > 1904.2 Exposure Categories and Classes
1603.1 Structural Design, General
Basic wind speed (3-second gust), miles per hour (mph) (km/hr) and wind exposure. Seismic design category and site class ...
NYC Building Code 2008 > 16 Structural Design > 1603 Construction Documents > 1603.1 General
Section 1603 Structural Design, Construction Documents
g . Basic wind speed (3-second gust), miles per hour (mph) (km/hr) and wind exposure. Seismic design category and site class. Flood design data ...
NYC Building Code 2014 > 16 Structural Design > 1603 Construction Documents
1609.4 Structural Design, Exposure Category
For each wind direction considered, an exposure category that adequately reflects the characteristics of ground surface irregularities shall ...
NYC Building Code 2014 > 16 Structural Design > 1609 Wind Loads > 1609.4 Exposure Category
1609.4 Structural Design, Exposure Category
For each wind direction considered, an exposure category that adequately reflects the characteristics of ground surface irregularities shall ...
NYC Building Code 2008 > 16 Structural Design > 1609 Wind Loads > 1609.4 Exposure Category
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