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3.02. PLACEMENT<br />

Section 03200<br />

Page 3<br />

A. Place reinforcing of required sizes and quantities in proper position. Use sufficient supports and spacers to<br />

maintain position during placement of concrete.<br />

1. Do not place reinforcing supports against exposed faces of precast panels, beams, walls or copings.<br />

B. Secure reinforcing in position with wire ties complying with ACI 318.<br />

1. Clip or bend tails of tie wire away from exposed faces, do not leave tie wire within 1 1/2" of any exposed<br />

surface.<br />

C. Maintain position of reinforcing mats in walls with metal spacers between the mats.<br />

D. Tolerances<br />

1. Top reinforcing in slabs and beams<br />

a. Members 8 inches deep or less: + 1/4 inch<br />

b. Members more then 8 inches but not over 2 feet deep: + 1/2 inch<br />

c. Members more than 2 feet deep: + one inch<br />

2. Lengthwise of members: + 2 inches<br />

3. Concrete cover to formed surfaces: + 1/4 inch<br />

4. Minimum spacing between reinforcing bars: 1/4 inch<br />

E. Support reinforcing in slabs-on-grade and slabs-on-deck on bolsters or blocks. Do not lift reinforcing during<br />

concrete placement.<br />

3.03. COLD BENDING OF BARS IN THE FIELD<br />

A. Dowels connecting concrete of different pour sequences may be bent in the field to facilitate form placement<br />

and removal with the following conditions:<br />

1. Maximum bar size is #4,<br />

2. Maximum angle of bend is 90 degrees, and<br />

3. Bars may be bent and straightened one time only.<br />

3.04. FIELD QUALITY CONTROL<br />

A. Testing Laboratory Services<br />

1. Inspect reinforcing sizes, quantities and placement.<br />

2. Inspect support and securement of reinforcing.<br />

3. Inspect condition of reinforcing.<br />

3.05. PROTECTION<br />

A. Place reinforcing to provide required coverage of concrete.<br />

B. Comply with minimum requirements ACI 318.<br />

END OF SECTION<br />

NAPA CENTURY CENTER XD 12<br />

#165582

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