Csa A23 1 Table 5

1 3 4 the requirements of csa a23 4 are applicable to pretensioned concrete and precast concrete used in segmental construction. 1 3 4 the requirements of csa a23 4 are applicable to pretensioned concrete and precast concrete used in segmental construction. Y wish owners may still order concrete to a prescriptive specificationas outlined in csa a23 1 table 5.

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Products requiring prestressing or post tensioning are produced in accordance with csa a23 4.

Csa a23 1 table 5.

For references to tilt up construction see pca pa163 and aci 551r. Csa a23 1 table 1 deﬁnitions 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. If this option is selected the owner shall identify the following. 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.

The minimum local value 60 of overall specified value must be exceeded in all areas. Concrete supplied under this specification will be specified in accordance with the performance alternative in table 5 of csa a23 1 with the exception that the contractor shall submit the proposed concrete mix design s identifying the exact proportions of all constituent materials by mass or volume. Purchase your copy here. 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 tolerances equivalent to the requirements of csa a23 4 are desired then csa a23 4 is specified for all precasting operations. 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. It is not intended to remove or reduce any responsibilities of the parties involved in the project.

Table 5 defines the role of the owner contractorand supplier. 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. With an exception for small slab on grade areas up to 1500 sf see table 21 levelness tolerances do not apply to suspended slabs. The mix proportions including the quantities of any or all materials i e admixtures aggregates cementitious materials and water by mass per m3of concrete 2.

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