It is not intended to remove or reduce any responsibilities of the parties involved in the project.
Csa a23 1 table 5.
This mix data submission form is intended to help clarify concrete performance issues between the owner contractor and concrete supplier as outlined in csa a23 1 04 table 5 alternative 1 performance page 119.
1 concrete exposed to freezing and thawing.
Y wish owners may still order concrete to a prescriptive specificationas outlined in csa a23 1 table 5.
Products requiring prestressing or post tensioning are produced in accordance with csa a23 4.
Paper concrete materials and methods of concrete construction test methods and standard practices for concrete.
These standards are part of the csa a23 series on concrete and supersede the previous editions published in 2009 2004 2000 1994 1990 1977 1973 1967 1960 1942 and 1929.
1 3 3 if tolerances equivalent to the requirements of csa a23 4 are desired then csa a23 4 is specified for all precasting operations.
If this option is selected the owner shall identify the following.
Csa a23 1 table 1 deļ¬nitions of c f n a and s exposure classes see clauses 4 1 1 1 1 4 1 1 5 4 4 4 1 1 1 4 4 4 1 1 2 6 6 7 5 1 8 4 1 2 and tables 2.
1 3 4 the requirements of csa a23 4 are applicable to pretensioned concrete and precast concrete used in segmental construction.
This is the twelfth edition of the combined csa a23 1 a23 2 concrete materials and methods of concrete construction test methods and standard practices for concrete.
Table 5 defines the role of the owner contractorand supplier.
The owner should specify one of the two alternatives in accordance with table 5 of csa standard a23 1 14.
For references to tilt up construction see pca pa163 and aci 551r.
If tolerances equivalent to the requirements of csa a23 4 are desired then csa a23 4 is specified for all precasting operations.