1.3.4
Certificates: Procedure Requirement
Submit the precasting manufacturer's quality control procedures established
in accordance with PCI MNL-116.
PART 2
PRODUCTS
2.1
CONCRETE
ACI 211.1 or ACI 318M/318RM for Contractor furnished mix design. The
minimum compressive strength of concrete at 28 days shall be [35 MPa]
[_____] [5000 psi] [_____], unless otherwise indicated. [Add
air-entraining admixtures to produce between 4 and 6 percent air by volume.]
2.2
CEMENT
ASTM C 150, Type I, II, or III, or ASTM C 59/C 59M5M ASTM C 59/C 59M5, Type
IP or IS blended cement, except as modified herein. The blended cement
shall consist of a mixture of ASTM C 150 cement and one of the following
materials: ASTM C 618 pozzolan or fly ash, or ASTM C 989 ground iron
blast-furnace slag. The pozzolan or fly ash content shall not exceed 25
percent by weight of the total cementitious material and the ground iron
blast-furnace slag shall not exceed 50 percent by weight of total
cementitious material.
2.2.1
Fly Ash and Pozzolan
ASTM C 618, Type N, F, or C, except that the maximum allowable loss on
ignition shall be 6 percent for Types N and F.
2.2.2
Ground Iron Blast-Furnace Slag
ASTM C 989, Grade 100 or 120.
2.3
WATER
Provide fresh, clean and potable water.
2.4
AGGREGATES
ASTM C 33, Size 57, 67, or 7. Aggregates shall not contain any substance
which may be deleteriously reactive with the alkalies in the cement.
2.5
ADMIXTURES
ASTM C 494, except that air entraining shall conform to ASTM C 260.
2.6
REINFORCEMENT
2.6.1
Reinforcing Bars
ASTM A 615/A 615M, Grade 400 Grade 60, ASTM A 617/A 617M Grade 400 Grade 60;
ASTM A 616/A 616M Grade 400 Grade 60; or ASTM A 706/A 706M.
2.6.2
Ties and Spirals
Steel, ASTM A 82.
SECTION 02588
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