1001. 1 1001. 2(e) STRUCTURES
1001.1DESCRIPTION —This work is construction of bridges, arches, culverts, and other cement concrete work.
1001.2MATERIAL —
aggregate.
1.b. Slip-Formed Bridge Barrier. Class AA Cement Concrete. Section 704, except, use No. 8, No. 67, or No. 57 coarse aggregate. Mixes using No. 8 coarse aggregate must contain No. 57 or No. 67 or both coarse aggregate.
• Curing and Protecting Covers . Section 711.1
• Curing Compounds . Section 711.2(a) ( white only) and 711.2(c)
• Concrete Admixtures . Section 711.3 . Do not use admixtures containing chloride salts in bridge- deck concrete.
cement, two parts fine aggregate, and enough water to provide a consistency stiff enough to place by either manual or mechanical tamping. Do not use more than 4 1/2 gallons of wate r per bag of cement. Mix for 60 seconds, cover to prevent loss of moisture, and allow to stand for 45 minutes. Remix for 60 seconds without further addition of water, then place within 30 minutes after completion of mixing. Use material as follows:
• Cement, Type IP, IS, IL or II. Section 701
• Fine Aggregate, Type A or C . Section 703.1
• Water . Section 720.1 The Contractor may use premixed grout. Obtain from a manufacturer listed in Bulletin 15. Mix according to the manufacturer's instructions. Certify as specified in Section 106.03(b)3.
fine aggregate. The Contractor may use premixed nonshrink grout. Obtain a grout, which passes a No. 8 sieve, from a manufacturer listed in Bulletin 15. Mix according to the manufacturer's instructions. Certify as specified in Section 106.03(b)3.
1001. 2(f) 1001. 2(i)
• Anchor Bolts, Nuts, and Washers . Section 1105.02(c)2 (metallic coated)
• Steel Angle . Section 1105.02(a)2
• Conduit . Section 1101.09(b)
• Junction Box . Section 1101.10
For final exposed concrete surfaces, use smooth material, free of knots, holes, b