horizontal surfaces and Grade 3 for vertical surfaces. Provide Class A if
placement temperature is below 4 degrees C (40 degrees F) 40 degrees F;
Class B if placement temperature is between 4 and 16 degrees C (40 and 60
degrees F) 40 and 60 degrees F; or Class C if placement temperature is above
16 degrees C (60 degrees F) 60 degrees F.
[2.4.12
Biodegradable Form Release Agent
Form release agent shall be biodegradable with a maximum of 350 grams/liter
(g/l) volatile organic compounds (VOCs). Product shall not bond with,
stain, or adversely affect concrete surfaces and shall not impair
subsequent treatments of concrete surfaces. The form release agent shall
kerosene.
]2.5
REINFORCEMENT
[Bars, fabrics, connectors, and chairs shall be galvanized.]
2.5.1
Reinforcing Bars
**************************************************************************
NOTE: ASTM A 706/A 706M bars are mainly used in
seismic design or for welding. Include ASTM A 123/A
123M for galvanized reinforcing bars.
**************************************************************************
ACI 301 unless otherwise specified. ASTM A 615/A 615M and ASTM A 617/A 617M
with the bars marked A, S, W, Grade [300][420]([40][60]) [40][60]; or ASTM
A 616/A 616M with the bars marked R, Grade [350][420] ([50][60] [50][60]. [
ASTM A 706/A 706M]. [Galvanized, ASTM A 123/A 123M.][Zinc-coated
(galvanized) bars, ASTM A 767/A 767M and ASTM A 780.] [Epoxy-coated
reinforcing steel bars, ASTM A 775/A 775M.] [Epoxy-coated prefabricated
steel reinforcing bars, ASTM A 934/A 934M.]
2.5.2
Mechanical Reinforcing Bar Connectors
ACI 301.
Provide 125 percent minimum yield strength of the reinforcement
bar.
2.5.3
Welded Wire Fabric
ASTM A 185 or ASTM A 497.
Provide flat sheets of welded wire fabric for
slabs and toppings.
2.5.4
Wire
ASTM A 82 or ASTM A 496.
2.5.5
Reinforcing Bar Supports
Provide bar ties and supports of coated or non corrodible material.
2.5.6
Fiber-Reinforced Concrete
**************************************************************************
NOTE: Only use fiber reinforcement when approved by
the designer. Drawings should indicate where fiber
SECTION 03300N
Page 29