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RE: depth of footing above bottom reinforcement

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“d” as per ACI 318.


David L. Fisher SE PE


Fisher and Partners - Cayman

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From: Christopher Banbury [mailto:christopher.banbury(--nospam--at)]
Sent: Wednesday, October 29, 2008 1:39 PM
To: seaint(--nospam--at)
Subject: depth of footing above bottom reinforcement


ACI 318 15.7 - Minimum footing depth

Depth of footing above bottom reinforcement shall not be less than 6 in. for footings on soil, nor less than 12 in. for footings on piles.


Does "depth of footing" refer to 'd' as defined by 318 or Df as used in foundation design?



Christopher & Shannon Banbury
PO Box 12347, Brooksville, FL,34603
(352) 797-9200