713MASONRY UNITS

713.1BRICK—

of 5 bricks and 15% for individual bricks.

713.2PRECAST CONCRETE BLOCKS—As listed in Bulletin 15, conforming to the applicable requirements of

ASTM C90, and as follows:

when tested according to ASTM C140. Do not use liquid membrane-forming compounds for curing. Certify each shipment of precast concrete blocks as specified in Section 106.03(b)3.

• Cement. Section 701

• Fine Aggregate, Type A. Section 703.1*

• Coarse Aggregate, Type A. Section 703.2*

• Water. Section 720.1

• Supplementary Cementitious Material. Section 724

* The gradation of aggregates does not apply.

of the project. Provide two samples for each lot number, or as directed. A lot may represent each day's production. Acceptance will be based on the results of compression tests made on these samples and on inspection of the finished product to determine conformance with specifications and lack of defects.

accepted:

• Defects that indicate imperfect proportioning, mixing, and molding;

• Surface defects, such as honeycombing or open texture; or

• Areas damaged beyond satisfactory repair.