UFC 4-150-07
19 June 2001
Table 5-1. Capability of Each Level of Inspection for Detecting Damage to
Waterfront Structures
Level
Purpose
Detectable Defects
Steel
Concrete
Wood
I
General visual to
Extensive
Major spalling
Major losses of
confirm as-built
corrosion
and cracking
wood due to
conditions and
marine borers
Severe
Severe
detect severe
mechanical
reinforcement
Broken piles and
damage
damage
corrosion
braces
Broken piles
Severe abrasion
or marine borer
attack
II
Detect surface
Moderate
Surface cracking
External pile
defects normally
mechanical
and crumbling
diameter
obscured by
damage
reduction due to
Rust staining
marine growth
marine borers
Major pitting
Exposed rebar
Splintered piling
and/or pre-
stressed strands
Loss of bolts and
fasteners
Early borer and
insect infestation
III
Detect hidden
Reduced thick-
Location of rebar
Internal damage
and imminent
ness of material
due to marine
Beginning
damage
borers (internal
corrosion of
voids)
rebar
Decrease in
Internal voids
material strength
5-4
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