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inspection 1
underwater review
36
Other
Not Applicable
04/09/2015

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Cards

Term
Types of Inspection
Definition
1. Destructive 2. Non- destructive
Term
Non- destructive testing
Definition
visual, magnetic particle, ultrasonic, video, photographic
Term
Areas/ Defects during Inspection
Definition
gross structural defects, marine fouling, debris fouling, corrosion, surface and internal weld defects
Term
Gross structural defects
Definition
serious dents/ buckling, missing members/ components, unstable foundations, paint/ coatings, debris fouling
Term
Results of marine fouling
Definition
change of water flow around structure, blockage of intakes/ outfalls
Term
Environmental conditions on marine growth-
Definition
- sunlight, food in water, depth of water, temperature of water
Term
General Visual Inspection
Definition
1. Marine growth inspection
2. Protective coatings
3. Cleaning-
4. Stand off photography
5. Taut wire damage survey
Term
1. Marine growth inspection
Definition
clear concise terms, correct terms/ references
Term
2. Protective coatings
Definition
extent/ depth of pitting, nature/ extent of blistering, take sample of blister
Term
3. Cleaning
Definition
air/ silica up to 600 mm from weld, metal brush 75mm
Term
4. Stand off photography
Definition
- physical damage/ debris, report/ log each photo
Term
5. Taut wire damage survey-
Definition
at least 2 planes at right angles to each other ( photogrammy)
Term
Steel-General
Definition
blistering, flaking, cracks, weathered scraping
Term
Metal loss
Definition
flaking, pitting, rust, abrasions
Term
Member deterioration
Definition
twisting , bending, denting, buckling, broken
Term
Connection Deterioration
Definition
missing/ broken bolts, strength, loose, spaces, broken welds
Term
Concrete- General
Definition
cracks Loss- Spalling ( bad mix/ moisture/ frost), abrasions ( bumpers/ fenders/ ice), chips
Term
Corrosion of rebar
Definition
same as loss, rust stains on concrete
Term
Breakage
Definition
shape ( impact/ overloading
Term
Timbers- Rot
Definition
discoloration, organic growth, disintegration
Term
Water logged wood
Definition
sinks
Term
Timber loss
Definition
debris, ice, abrasions, smoothing
Term
Member deformation
Definition
- warped, twisted, split, bent, cracks, splinters
Term
Rubber/ Fiberglass-
Definition
chemical, melting, distortion
Term
Member deformation
Definition
twisted, dents, warped, crimped
Term
Foam-Mechanical
Definition
chipping, cracking
Term
Chemical
Definition
- general disintegration
Term
Water logged
Definition
discoloration, sinks
Term
Reporting- Concrete
Definition
cracking/ spalling-shape, orientation, length, depth, size, width
Term
Reporting- Steel-
Definition
member deterioration/ metal loss/ general- shape, location, deformation, size
Term
Reporting- Corrosion
Definition
-remove blister/ growth, type of corrosion, pitting, flaking, location, size
Term
Reporting- Timber-
Definition
breakage- size, shape, orientation, location, core drill
Term
Reporting- Cracking-
Definition
size, shape, orientation, location, depth, width
Term
Reporting-Rot
Definition
-(top of pile/ water line/ bolt holes/ connections)- remove growth, brackets, sheathing, collars- core sample/soundings/ probe
Term
Reporting-Weathering
Definition
-grey, cracking, warping- core drill, sounding
Term
Reporting-Marine borer attack
Definition
tube worms, marine animals
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