Office of Special Funded Projects (OSFP)
Office of Special Funded Projects
Rebar Spacing in Cast-In-Place Piles
Bridge Design Specifications Article 8.21.7 describes the minimum rebar spacings required for cast-in-place concrete piling. The required spacings are also shown in Bridge Design Details p.13-22. The rebar must also be sized to accommodate the inspection tubes as shown in Memo to Designers 3-1 Attachment 2. Over the past several years contractors have reported that some consultant designed projects do not meet these requirements.
In August 2006 the Associated General Contractors again raised this issue with consultant designed projects. All affected projects must conform to the stated specifications or they cannot be approved.
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