Specifications

07/22/10 03001-2
PART 2 PRODUCTS
2.01 FORM MATERIALS
A. Conform to ACI 347.
2.02 REINFORCING STEEL
A. Reinforcing Bars: ASTM A615, Grade 60, new deformed billet steel.
B. Welded Wire Fabric: Plain type, ASTM A185.
C. Stirrups and Ties: ASTM A615, Grade 40 or Grade 60.
D. Bar Supports and Spacers: Steel wire with upturned legs. Mortar cubes.
E. Epoxy - Coated Reinforcing Bars: ASTM A775, Grade 60, new deformed billet steel.
2.03 CONCRETE MATERIALS
A. Cement: ASTM C150, Type I. Type II cement for wastewater structures.
B. Fine and Coarse Aggregates: ASTM C33.
Nominal maximum size of coarse aggregate not larger than:
1 The narrowest dimension between sides of forms, nor
2. 1/3 the depth of slabs, nor
3. 3/4 the minimum clear spacing between individual reinforcing bars or wires, bundles of bars,
or ducts.
4. 4 inches.
C. Water: Clean, fresh, and free from injurious amounts of oils, acids, alkalis, salts, organic
materials, or other substances that may be deleterious to concrete or reinforcement.
D. Air Entrainment Admixtures: ASTM C260. 'Darex' by the W. R. Grace Company or approved
equal.
E. Curing Compound: ASTM C309, Type 1 or Type 1-D, Class A.
2.04 CONCRETE MIX
A. Mix concrete in accordance with ASTM C94.
B. Compressive Strength: 4000 psi minimum at 28 days for cast-in-place concrete and 4000 psi
minimum at 28 days for pre-cast concrete (unless otherwise noted on Drawings).
C. Slump: 5 inches maximum (Vertical Pours)
3 inches maximum (Horizontal Pours)
2 inches minimum (Unless noted otherwise i.e. tremie, curb machine)
D. Mixing water not to exceed 6 gallons per sack of Portland Cement. This includes water entering
the batches as surface moisture on the aggregates, which must be deducted from the specified 6
gallons to determine the amount of mixing water for each batch.
E. Air-Entraining admixture to produce 5 percent (+/- 1.5%) entrained air.